Document:

Exhibit 4.1

Form of Representative’s Warrant Agreement

 

THE REGISTERED HOLDER
OF THIS PURCHASE WARRANT BY ITS ACCEPTANCE HEREOF, AGREES THAT IT WILL NOT SELL, TRANSFER OR ASSIGN THIS PURCHASE WARRANT EXCEPT
AS HEREIN PROVIDED AND THE REGISTERED HOLDER OF THIS PURCHASE WARRANT AGREES THAT IT WILL NOT SELL, TRANSFER, ASSIGN, PLEDGE OR
HYPOTHECATE THIS PURCHASE WARRANT FOR A PERIOD OF 180 DAYS FOLLOWING THE EFFECTIVE DATE OF THE REGISTRATION STATEMENT (DEFINED
BELOW) TO ANYONE OTHER THAN (I) AEGIS CAPITAL CORP. OR AN UNDERWRITER OR A SELECTED DEALER IN CONNECTION WITH THE OFFERING, OR
(II) A BONA FIDE OFFICER OR PARTNER OF AEGIS CAPITAL CORP. OR OF ANY SUCH UNDERWRITER OR SELECTED DEALER.

 

THIS PURCHASE WARRANT
IS NOT EXERCISABLE PRIOR TO MAY 22, 2016. VOID AFTER 5:00 P.M., EASTERN TIME, MAY 22, 2020.

 

PURCHASE WARRANT

 

For the Purchase of ___ Shares of Common
Stock

 

of

 

MANHATTAN BRIDGE CAPITAL, INC.

 

1.          Purchase
Warrant. THIS CERTIFIES THAT, in consideration of funds duly paid by or on behalf of ________ (“Holder”),
as registered owner of this Purchase Warrant, to Manhattan Bridge Capital, Inc., a New York corporation (the “Company”),
Holder is entitled, at any time or from time to time from May 22, 2016 (the one-year anniversary of the effective date of the Offering,
the “Commencement Date”), and at or before 5:00 p.m., Eastern time, May 22, 2020 (the five-year anniversary
of the effective date of the Offering, the “Expiration Date”), but not thereafter, to subscribe for,
purchase and receive, in whole or in part, up to ____ common shares of the Company, par value $0.001 per share (the “Shares”),
subject to adjustment as provided in Section 6 hereof. If the Expiration Date is a day on which banking institutions are
authorized by law to close, then this Purchase Warrant may be exercised on the next succeeding day which is not such a day in accordance
with the terms herein. During the period ending on the Expiration Date, the Company agrees not to take any action that would terminate
the Purchase Warrant. This Purchase Warrant is initially exercisable at $5.4875 per Share (125% of the price of the Shares sold
in the Offering); provided, however, that upon the occurrence of any of the events specified in Section 6
hereof, the rights granted by this Purchase Warrant, including the exercise price per Share and the number of Shares to be received
upon such exercise, shall be adjusted as therein specified. The term “Exercise Price” shall mean the initial
exercise price or the adjusted exercise price, depending on the context.

 

2.          Exercise.

 

2.1           Exercise
Form. In order to exercise this Purchase Warrant, the exercise form attached hereto must be duly executed and completed and
delivered to the Company, together with this Purchase Warrant and payment of the Exercise Price for the Shares being purchased
payable in cash by wire transfer of immediately available funds to an account designated by the Company or by certified check or
official bank check. If the subscription rights represented hereby shall not be exercised at or before 5:00 p.m., Eastern time,
on the Expiration Date, this Purchase Warrant shall become and be void without further force or effect, and all rights represented
hereby shall cease and expire.

 

2.2           Cashless
Exercise.  If at any time after the Commencement Date there is no effective registration statement registering, or no
current prospectus available for, the resale of the Shares by the Holder or the Holder cannot otherwise exercise and immediately
sell the Shares, then in lieu of exercising this Purchase Warrant by payment of cash or check payable to the order of the Company
pursuant to Section 2.1 above, Holder may elect to receive the number of Shares equal to the value of this Purchase Warrant
(or the portion thereof being exercised), by surrender of this Purchase Warrant to the Company, together with the exercise form
attached hereto, in which event the Company shall issue to Holder, Shares in accordance with the following formula:

 

    	 

    	 	 	 

    

 

	X	=	Y(A-B)	 
	A	 

 

	Where,	X	=	The number of Shares to be issued to Holder;
	 	Y	=	The number of Shares for which the Purchase Warrant is being exercised;
	 	A	=	The fair market value of one Share; and
	 	B	=	The Exercise Price.

  

For purposes of this Section 2.2, the fair market value of a Share is defined as follows:

 

(i)          if
the Company’s common shares are traded on a securities exchange, the value shall be deemed to be the closing price on such
exchange on the trading date immediately prior to the date on which the exercise form in connection with the exercise of the Purchase
Warrant is submitted to the Company; or

 

(ii)         if
the Company’s common shares are traded over-the-counter, the value shall be deemed to be the closing bid price on the trading
date immediately prior to the date on which the exercise form in connection with the exercise of the Purchase Warrant is submitted
to the Company; if there is no public market, the value shall be the fair market value thereof, as determined in good faith by
the Company’s Board of Directors.

 

2.3 Legend.
Each certificate for the securities purchased under this Purchase Warrant shall bear a legend as follows unless such securities
have been registered under the Securities Act of 1933, as amended (the “Act”):

 

“The
securities represented by this certificate have not been registered under the Securities Act of 1933, as amended (the “Act”),
or applicable state law. Neither the securities nor any interest therein may be offered for sale, sold or otherwise transferred
except pursuant to an effective registration statement under the Act, or pursuant to an exemption from registration under the Act
and applicable state law which, in the opinion of counsel to the Company, is available.”

 

3.          Transfer.

 

3.1           General
Restrictions. The registered Holder of this Purchase Warrant agrees by his, her or its acceptance hereof, that such Holder
will not: (a) sell, transfer, assign, pledge or hypothecate this Purchase Warrant for a period of 180 days following the effective
date of the registration statement on Form S-3 (Registration No. 333-203678) of the Company (the “Registration Statement”)
to anyone other than: (i) Aegis Capital Corp. (“Aegis”) or an underwriter or a selected dealer participating
in the Offering, or (ii) a bona fide officer or partner of Aegis or of any such underwriter or selected dealer, in each case in
accordance with FINRA Conduct Rule 5110(g)(1), or (b) cause this Purchase Warrant or the securities issuable hereunder to be the
subject of any hedging, short sale, derivative, put or call transaction that would result in the effective economic disposition
of this Purchase Warrant or the securities hereunder, except as provided for in FINRA Rule 5110(g)(2). On and after that date that
is 180 days after the effective date of the Registration Statement, transfers to others may be made subject to compliance with
or exemptions from applicable securities laws. In order to make any permitted assignment, the Holder must deliver to the Company
the assignment form attached hereto duly executed and completed, together with the Purchase Warrant and payment of all transfer
taxes, if any, payable in connection therewith. The Company shall within five (5) Business Days transfer this Purchase Warrant
on the books of the Company and shall execute and deliver a new Purchase Warrant or Purchase Warrants of like tenor to the appropriate
assignee(s) expressly evidencing the right to purchase the aggregate number of Shares purchasable hereunder or such portion of
such number as shall be contemplated by any such assignment.

 

3.2          Restrictions
Imposed by the Act. The securities evidenced by this Purchase Warrant shall not be transferred unless and until: (i) the Company
has received the opinion of counsel for the Holder that the securities may be transferred pursuant to an exemption from registration
under the Act and applicable state securities laws, the availability of which is established to the reasonable satisfaction of
the Company, or (ii) a registration statement or a post-effective amendment to the Registration Statement relating to the offer
and sale of such securities has been filed by the Company and declared effective by the U.S. Securities and Exchange Commission
(the “Commission”) and compliance with applicable state securities law has been established.

 

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4.          Registration
Rights. The Holder shall only be entitled to the rights set forth in this Section 4 at such time as the Registration Statement
is not effective or the prospectus included in the Registration Statement covering the Registrable Securities (as defined below)
is not available for use by the Holders thereof.

 

4.1           Demand
Registration.

 

4.1.1           Grant
of Right. The Company, upon written demand (a “Demand Notice”) of the Holder(s) of at least 51% of the Purchase
Warrants and/or the underlying Shares (“Majority Holders”), agrees to register, on one occasion, all or any
portion of the Shares underlying the Purchase Warrants (collectively, the “Registrable Securities”). On such
occasion, the Company will file a registration statement with the Commission covering the Registrable Securities within sixty (60)
days after receipt of a Demand Notice and use its reasonable best efforts to have the registration statement declared effective
promptly thereafter, subject to compliance with review by the Commission; provided, however, that the Company shall
not be required to comply with a Demand Notice if the Company has filed a registration statement with respect to which the Holder
is entitled to piggyback registration rights pursuant to Section 4.2 hereof and either: (i) the Holder has elected to participate
in the offering covered by such registration statement or (ii) if such registration statement relates to an underwritten primary
offering of securities of the Company, until the offering covered by such registration statement has been withdrawn or until thirty
(30) days after such offering is consummated. The demand for registration may be made at any time during a period of four (4) years
beginning one year after the effective date of the Registration Statement. The Company covenants and agrees to give written notice
of its receipt of any Demand Notice by any Holder(s) to all other registered Holders of the Purchase Warrants and/or the Registrable
Securities within ten (10) days after the date of the receipt of any such Demand Notice.

 

4.1.2          Terms.
The Company shall bear all fees and expenses attendant to the registration of the Registrable Securities pursuant to Section
4.1.1, but the Holders shall pay any and all underwriting commissions and the expenses of any legal counsel selected by the
Holders to represent them in connection with the sale of the Registrable Securities. The Company agrees to use its reasonable best
efforts to cause the filing required herein to become effective promptly and to qualify or register the Registrable Securities
in such States as are reasonably requested by the Holder(s); provided, however, that in no event shall the Company
be required to register the Registrable Securities in a State in which such registration would cause: (i) the Company to be obligated
to register or license to do business in such State or submit to general service of process in such State, or (ii) the principal
shareholders of the Company to be obligated to escrow their shares of capital stock of the Company. The Company shall cause any
registration statement filed pursuant to the demand right granted under Section 4.1.1 to remain effective for a period of
at least twelve (12) consecutive months after the date that the Holders of the Registrable Securities covered by such registration
statement are first given the opportunity to sell all of such securities. The Holders shall only use the prospectuses provided
by the Company to sell the shares covered by such registration statement, and will immediately cease to use any prospectus furnished
by the Company if the Company advises the Holder that such prospectus may no longer be used due to a material misstatement or omission.
Notwithstanding the provisions of this Section 4.1.2, the Holder shall be entitled to a demand registration under this Section
4.1.2 on only one (1) occasion and such demand registration right shall terminate on the fifth anniversary of the effective
date of the Registration Statement in accordance with FINRA Rule 5110(f)(2)(G)(iv).

 

4.2           “Piggy-Back”
Registration.

 

4.2.1           Grant
of Right. In addition to the demand right of registration described in Section 4.1 hereof, the Holder shall have the
right, for a period of six (6) years commencing one year after the effective date of the Registration Statement, to include the
Registrable Securities as part of any other registration of securities filed by the Company (other than in connection with a transaction
contemplated by Rule 145 promulgated under the Act or pursuant to Form S-8 or any equivalent form); provided, however,
that if, solely in connection with any primary underwritten public offering for the account of the Company, the managing underwriter(s)
thereof shall, in its reasonable discretion, impose a limitation on the number of common shares which may be included in the Registration
Statement because, in such underwriter(s)’ judgment, marketing or other factors dictate such limitation is necessary to facilitate
public distribution, then the Company shall be obligated to include in such Registration Statement only such limited portion of
the Registrable Securities with respect to which the Holder requested inclusion hereunder as the underwriter shall reasonably permit.
Any exclusion of Registrable Securities shall be made pro rata among the Holders seeking to include Registrable Securities in proportion
to the number of Registrable Securities sought to be included by such Holders; provided, however, that the Company
shall not exclude any Registrable Securities unless the Company has first excluded all outstanding securities, the holders of which
are not entitled to inclusion of such securities in such Registration Statement or are not entitled to pro rata inclusion with
the Registrable Securities.

 

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4.2.2           Terms.
The Company shall bear all fees and expenses attendant to registering the Registrable Securities pursuant to Section 4.2.1
hereof, but the Holders shall pay any and all underwriting commissions and the expenses of any legal counsel selected by the
Holders to represent them in connection with the sale of the Registrable Securities. In the event of such a proposed registration,
the Company shall furnish the then Holders of outstanding Registrable Securities with not less than thirty (30) days written notice
prior to the proposed date of filing of such registration statement. Such notice to the Holders shall continue to be given for
each registration statement filed by the Company until such time as all of the Registrable Securities have been sold by the Holder.
The holders of the Registrable Securities shall exercise the “piggy-back” rights provided for herein by giving written
notice, within ten (10) days of the receipt of the Company’s notice of its intention to file a registration statement. Except
as otherwise provided in this Purchase Warrant, there shall be no limit on the number of times the Holder may request registration
under this Section 4.2.2; provided, however, that such registration rights shall terminate on the seventh anniversary of
the effective date of the Registration Statement.

 

4.3           General
Terms.

 

4.3.1           Indemnification.
The Company shall indemnify the Holder(s) of the Registrable Securities to be sold pursuant to any registration statement hereunder
and each person, if any, who controls such Holders within the meaning of Section 15 of the Act or Section 20(a) of the Securities
Exchange Act of 1934, as amended (“Exchange Act”), against all loss, claim, damage, expense or liability (including
all reasonable attorneys’ fees and other expenses reasonably incurred in investigating, preparing or defending against any
claim whatsoever) to which any of them may become subject under the Act, the Exchange Act or otherwise, arising from such registration
statement but only to the same extent and with the same effect as the provisions pursuant to which the Company has agreed to indemnify
the Underwriters contained in Section 5 of the Underwriting Agreement between the Underwriters and the Company, dated as of May
22, 2015. The Holder(s) of the Registrable Securities to be sold pursuant to such registration statement, and their successors
and assigns, shall severally, and not jointly, indemnify the Company, against all loss, claim, damage, expense or liability (including
all reasonable attorneys’ fees and other expenses reasonably incurred in investigating, preparing or defending against any
claim whatsoever) to which they may become subject under the Act, the Exchange Act or otherwise, arising from information furnished
by or on behalf of such Holders, or their successors or assigns, in writing, for specific inclusion in such registration statement
to the same extent and with the same effect as the provisions contained in Section 5 of the Underwriting Agreement pursuant to
which the Underwriters have agreed to indemnify the Company.

 

4.3.2           Exercise of
Purchase Warrants. Nothing contained in this Purchase Warrant shall be construed as requiring the Holder(s) to exercise their
Purchase Warrants prior to or after the initial filing of any registration statement or the effectiveness thereof.

 

4.3.3            Documents
Delivered to Holders. The Company shall furnish to each Holder participating in any of the foregoing offerings and to each
underwriter of any such offering, if any, a signed counterpart, addressed to such Holder or underwriter, of: (i) an opinion of
counsel to the Company, dated the effective date of such registration statement (and, if such registration includes an underwritten
public offering, an opinion dated the date of the closing under any underwriting agreement related thereto), and (ii) a “cold
comfort” letter dated the effective date of such registration statement (and, if such registration includes an underwritten
public offering, a letter dated the date of the closing under the underwriting agreement) signed by the independent registered
public accounting firm which has issued a report on the Company’s financial statements included in such registration statement,
in each case covering substantially the same matters with respect to such registration statement (and the prospectus included therein)
and, in the case of such accountants’ letter, with respect to events subsequent to the date of such financial statements,
as are customarily covered in opinions of issuer’s counsel and in accountants’ letters delivered to underwriters in
underwritten public offerings of securities. The Company shall also deliver promptly to each Holder participating in the offering
requesting the correspondence and memoranda described below and to the managing underwriter, if any, copies of all correspondence
between the Commission and the Company, its counsel or auditors and all memoranda relating to discussions with the Commission or
its staff with respect to the registration statement and permit each Holder and underwriter to do such investigation, upon reasonable
advance notice, with respect to information contained in or omitted from the registration statement as it deems reasonably necessary
to comply with applicable securities laws or rules of FINRA. Such investigation shall include access to books, records and properties
and opportunities to discuss the business of the Company with its officers and independent auditors, all to such reasonable extent
and at such reasonable times as any such Holder shall reasonably request.

 

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4.3.4          Underwriting
Agreement. The Company shall enter into an underwriting agreement with the managing underwriter(s), if any, selected by any
Holders whose Registrable Securities are being registered pursuant to this Section 4, which managing underwriter shall be
reasonably satisfactory to the Company. Such agreement shall be reasonably satisfactory in form and substance to the Company, each
Holder and such managing underwriters, and shall contain such representations, warranties and covenants by the Company and such
other terms as are customarily contained in agreements of that type used by the managing underwriter. The Holders shall be parties
to any underwriting agreement relating to an underwritten sale of their Registrable Securities and may, at their option, require
that any or all the representations, warranties and covenants of the Company to or for the benefit of such underwriters shall also
be made to and for the benefit of such Holders. Such Holders shall not be required to make any representations or warranties to
or agreements with the Company or the underwriters except as they may relate to such Holders, their Shares and their intended methods
of distribution.

 

4.3.5           Documents
to be Delivered by Holder(s). Each of the Holder(s) participating in any of the foregoing offerings shall furnish to the Company
a completed and executed questionnaire provided by the Company requesting information customarily sought of selling security holders.

 

4.3.6           Damages.
Should the registration or the effectiveness thereof required by Section 4.1 and Section 4.2 hereof be delayed by
the Company or the Company otherwise fails to comply with such provisions, the Holder(s) shall, in addition to any other legal
or other relief available to the Holder(s), be entitled to obtain specific performance or other equitable (including injunctive)
relief against the threatened breach of such provisions or the continuation of any such breach, without the necessity of proving
actual damages and without the necessity of posting bond or other security.

 

5.          New
Purchase Warrants to be Issued.

 

5.1           Partial
Exercise or Transfer. Subject to the restrictions in Section 3 hereof, this Purchase Warrant may be exercised or assigned
in whole or in part. In the event of the exercise or assignment hereof in part only, upon surrender of this Purchase Warrant for
cancellation, together with the duly executed exercise or assignment form and funds sufficient to pay any Exercise Price and/or
transfer tax if exercised pursuant to Section 2.1 hereof, the Company shall cause to be delivered to the Holder without
charge a new Purchase Warrant of like tenor to this Purchase Warrant in the name of the Holder evidencing the right of the Holder
to purchase the number of Shares purchasable hereunder as to which this Purchase Warrant has not been exercised or assigned.

 

5.2           Lost Certificate.
Upon receipt by the Company of evidence satisfactory to it of the loss, theft, destruction or mutilation of this Purchase Warrant
and of reasonably satisfactory indemnification or the posting of a bond, the Company shall execute and deliver a new Purchase
Warrant of like tenor and date. Any such new Purchase Warrant executed and delivered as a result of such loss, theft, mutilation
or destruction shall constitute a substitute contractual obligation on the part of the Company.

 

6.          Adjustments.

 

6.1           Adjustments
to Exercise Price and Number of Securities. The Exercise Price and the number of Shares underlying the Purchase Warrant shall
be subject to adjustment from time to time as hereinafter set forth:

 

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6.1.1           Share
Dividends; Split Ups. If, after the date hereof, and subject to the provisions of Section 6.3 below, the number of outstanding
Shares is increased by a stock dividend payable in Shares or by a split up of Shares or other similar event, then, on the effective
day thereof, the number of Shares purchasable hereunder shall be increased in proportion to such increase in outstanding shares,
and the Exercise Price shall be proportionately decreased.

 

6.1.2           Aggregation
of Shares. If, after the date hereof, and subject to the provisions of Section 6.3 below, the number of outstanding
Shares is decreased by a consolidation, combination or reclassification of Shares or other similar event, then, on the effective
date thereof, the number of Shares purchasable hereunder shall be decreased in proportion to such decrease in outstanding shares,
and the Exercise Price shall be proportionately increased.

 

6.1.3         Replacement
of Securities upon Reorganization, etc. In case of any reclassification or reorganization of the outstanding Shares other than
a change covered by Section 6.1.1 or Section 6.1.2 hereof or that solely affects the par value of such Shares, or
in the case of any share reconstruction or amalgamation or consolidation of the Company with or into another corporation (other
than a consolidation or share reconstruction or amalgamation in which the Company is the continuing corporation and that does not
result in any reclassification or reorganization of the outstanding Shares), or in the case of any sale or conveyance to another
corporation or entity of the property of the Company as an entirety or substantially as an entirety in connection with which the
Company is dissolved, the Holder of this Purchase Warrant shall have the right to receive upon the exercise hereof, for the same
aggregate Exercise Price payable hereunder immediately prior to such event, the kind and amount of shares of stock or other securities
or property (including cash) receivable upon such reclassification, reorganization, share reconstruction or amalgamation, or consolidation,
or upon a dissolution following any such sale or transfer, by a Holder of the number of Shares of the Company obtainable upon exercise
of this Purchase Warrant immediately prior to such event; and if any reclassification also results in a change in Shares covered
by Section 6.1.1 or Section 6.1.2, then such adjustment shall be made pursuant to Section 6.1.1, Section
6.1.2 and this Section 6.1.3. The provisions of this Section 6.1.3 shall similarly apply to successive reclassifications,
reorganizations, share reconstructions or amalgamations, or consolidations, sales or other transfers.

 

6.1.4          Changes in
Form of Purchase Warrant. This form of Purchase Warrant need not be changed because of any change pursuant to this Section
6.1, and Purchase Warrants issued after such change may state the same Exercise Price and the same number of Shares as are
stated in the Purchase Warrants initially issued pursuant to this Agreement. The acceptance by any Holder of the issuance of new
Purchase Warrants reflecting a required or permissive change shall not be deemed to waive any rights to an adjustment occurring
after the Commencement Date or the computation thereof.

 

6.2           Substitute
Purchase Warrant. In case of any consolidation of the Company with, or share reconstruction or amalgamation of the Company
with or into, another corporation (other than a consolidation or share reconstruction or amalgamation which does not result in
any reclassification or change of the outstanding Shares), the corporation formed by such consolidation or share reconstruction
or amalgamation shall execute and deliver to the Holder a supplemental Purchase Warrant providing that the holder of each Purchase
Warrant then outstanding or to be outstanding shall have the right thereafter (until the stated expiration of such Purchase Warrant)
to receive, upon exercise of such Purchase Warrant, the kind and amount of shares of stock and other securities and property receivable
upon such consolidation or share reconstruction or amalgamation, by a holder of the number of Shares of the Company for which
such Purchase Warrant might have been exercised immediately prior to such consolidation, share reconstruction or amalgamation,
sale or transfer. Such supplemental Purchase Warrant shall provide for adjustments which shall be identical to the adjustments
provided for in this Section 6. The above provision of this Section 6 shall similarly apply to successive consolidations
or share reconstructions or amalgamations.

 

6.3          Elimination
of Fractional Interests. The Company shall not be required to issue certificates representing fractions of Shares upon the
exercise of the Purchase Warrant, nor shall it be required to issue scrip or pay cash in lieu of any fractional interests, it
being the intent of the parties that all fractional interests shall be eliminated by rounding any fraction up or down, as the
case may be, to the nearest whole number of Shares or other securities, properties or rights.

 

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7.          Reservation and Listing. The
Company shall at all times reserve and keep available out of its authorized Shares, solely for the purpose of issuance upon exercise
of the Purchase Warrants, such number of Shares or other securities, properties or rights as shall be issuable upon the exercise
thereof. The Company covenants and agrees that, upon exercise of the Purchase Warrants and payment of the Exercise Price therefor,
in accordance with the terms hereby, all Shares and other securities issuable upon such exercise shall be duly and validly issued,
fully paid and non-assessable and not subject to preemptive rights of any shareholder. The Company further covenants and agrees
that upon exercise of the Purchase Warrants and payment of the exercise price therefor, all Shares and other securities issuable
upon such exercise shall be duly and validly issued, fully paid and non-assessable and not subject to preemptive rights of any
shareholder. As long as the Purchase Warrants shall be outstanding, the Company shall use its commercially reasonable efforts
to cause all Shares issuable upon exercise of the Purchase Warrants to be listed (subject to official notice of issuance) on all
national securities exchanges (or, if applicable, on the OTC Bulletin Board or any successor trading market) on which the Shares
issued to the public in the Offering may then be listed and/or quoted.

 

8.          Certain
Notice Requirements.

 

8.1           Holder’s
Right to Receive Notice. Nothing herein shall be construed as conferring upon the Holders the right to vote or consent or to
receive notice as a shareholder for the election of directors or any other matter, or as having any rights whatsoever as a shareholder
of the Company. If, however, at any time prior to the expiration of the Purchase Warrants and their exercise, any of the events
described in Section 8.2 shall occur, then, in one or more of said events, the Company shall give written notice of such
event at least fifteen days prior to the date fixed as a record date or the date of closing the transfer books (the “Notice
Date”) for the determination of the shareholders entitled to such dividend, distribution, conversion or exchange of securities
or subscription rights, or entitled to vote on such proposed dissolution, liquidation, winding up or sale. Such notice shall specify
such record date or the date of the closing of the transfer books, as the case may be. Notwithstanding the foregoing, the Company
shall deliver to each Holder a copy of each notice given to the other shareholders of the Company at the same time and in the same
manner that such notice is given to the shareholders.

 

8.2           Events Requiring
Notice. The Company shall be required to give the notice described in this Section 8 upon one or more of the following
events: (i) if the Company shall take a record of the holders of its Shares for the purpose of entitling them to receive a dividend
or distribution payable otherwise than in cash, or a cash dividend or distribution payable otherwise than out of retained earnings,
as indicated by the accounting treatment of such dividend or distribution on the books of the Company, (ii) the Company shall offer
to all the holders of its Shares any additional shares of capital stock of the Company or securities convertible into or exchangeable
for shares of capital stock of the Company, or any option, right or warrant to subscribe therefor, or (iii) a dissolution, liquidation
or winding up of the Company (other than in connection with a consolidation or share reconstruction or amalgamation) or a sale
of all or substantially all of its property, assets and business shall be proposed.

 

8.3           Notice of Change
in Exercise Price. The Company shall, promptly after an event requiring a change in the Exercise Price pursuant to Section
6 hereof, send notice to the Holders of such event and change (“Price Notice”). The Price Notice shall
describe the event causing the change and the method of calculating same and shall be certified as being true and accurate by
the Company’s Chief Financial Officer.

 

8.4         Transmittal
of Notices. All notices, requests, consents and other communications under this Purchase Warrant shall be in writing and shall
be deemed to have been duly made (1) when hand delivered, (2) when mailed by express mail, electronic mail or private courier service
or (3) when the event requiring notice is disclosed in all material respects and filed in a current report on Form 8-K or in a
definitive proxy statement on Schedule 14A prior to the Notice Date: (i) if to the registered Holder of the Purchase Warrant, to
the address of such Holder as shown on the books of the Company, or (ii) if to the Company, to the following address or to such
other address as the Company may designate by notice to the Holders:

 

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If to the Holder:

 

Aegis Capital Corp.

810 Seventh Avenue, 11th Floor

New York, New York 10019

Attn: Mr. David Bocchi, Managing Director of

Investment Banking

Fax No.: (212) 813-1047

Email: dbocchi@aegiscap.com

 

With a copy (which shall not
constitute notice) to:

 

Blank Rome LLP

405 Lexington Avenue

New York, NY 10174

Attn: Brad L. Shiffman, Esq.

Fax: (917) 332-3725

Email: bshiffman@blankrome.com

 

If to the Company:

 

Manhattan Bridge Capital, Inc.

60 Cutter Mill Road, Suite 205

Great Neck, NY 11021

Attention: Assaf Ran, Chief Executive Officer

Fax No: (516) 444-3404

Email:

 

with a copy (which shall not constitute
notice) to:

 

Morse, Zelnick, Rose & Lander, LLP

825 Third Avenue

New York, NY 10022

Attention: Stephen A. Zelnick, Esq.

Fax No: (212) 208-6809

Email: SZelnick@mzrl.com

 

9.          Miscellaneous.

 

9.1           Amendments.
The Company and Aegis may from time to time supplement or amend this Purchase Warrant without the approval of any of the Holders
in order to cure any ambiguity, to correct or supplement any provision contained herein that may be defective or inconsistent with
any other provisions herein, or to make any other provisions in regard to matters or questions arising hereunder that the Company
and Aegis may deem necessary or desirable and that the Company and Aegis deem shall not adversely affect the interest of the Holders.
All other modifications or amendments shall require the written consent of and be signed by the party against whom enforcement
of the modification or amendment is sought.

 

9.2           Headings.
The headings contained herein are for the sole purpose of convenience of reference, and shall not in any way limit or affect the
meaning or interpretation of any of the terms or provisions of this Purchase Warrant.

 

9.3.         Entire Agreement.
This Purchase Warrant (together with the other agreements and documents being delivered pursuant to or in connection with this
Purchase Warrant) constitutes the entire agreement of the parties hereto with respect to the subject matter hereof, and supersedes
all prior agreements and understandings of the parties, oral and written, with respect to the subject matter hereof.

 

    	- 8 -

    	 	 	 

    

 

9.4          Binding
Effect. This Purchase Warrant shall inure solely to the benefit of and shall be binding upon, the Holder and the Company and
their permitted assignees, respective successors, legal representative and assigns, and no other person shall have or be construed
to have any legal or equitable right, remedy or claim under or in respect of or by virtue of this Purchase Warrant or any provisions
herein contained.

 

9.5           Governing
Law; Submission to Jurisdiction. This Purchase Warrant shall be governed by and construed and enforced in accordance with the
laws of the State of New York, without giving effect to conflict of laws principles thereof. The Company hereby agrees that any
action, proceeding or claim against it arising out of, or relating in any way to this Purchase Warrant shall be brought and enforced
in the New York Supreme Court, County of New York, or in the United States District Court for the Southern District of New York,
and irrevocably submits to such jurisdiction, which jurisdiction shall be exclusive. The Company hereby waives any objection to
such exclusive jurisdiction and that such courts represent an inconvenient forum. Any process or summons to be served upon the
Company may be served by transmitting a copy thereof by registered or certified mail, return receipt requested, postage prepaid,
addressed to it at the address set forth in Section 8 hereof. Such mailing shall be deemed personal service and shall be
legal and binding upon the Company in any action, proceeding or claim. The Company and the Holder agree that the prevailing party(ies)
in any such action shall be entitled to recover from the other party(ies) all of its reasonable attorneys’ fees and expenses
relating to such action or proceeding and/or incurred in connection with the preparation therefor. The Company (on its behalf and,
to the extent permitted by applicable law, on behalf of its stockholders and affiliates) and the Holder hereby irrevocably waive,
to the fullest extent permitted by applicable law, any and all right to trial by jury in any legal proceeding arising out of or
relating to this agreement or the transactions contemplated hereby.

 

9.6          Waiver,
etc. The failure of the Company or the Holder to at any time enforce any of the provisions of this Purchase Warrant shall not
be deemed or construed to be a waiver of any such provision, nor to in any way affect the validity of this Purchase Warrant or
any provision hereof or the right of the Company or any Holder to thereafter enforce each and every provision of this Purchase
Warrant. No waiver of any breach, non-compliance or non-fulfillment of any of the provisions of this Purchase Warrant shall be
effective unless set forth in a written instrument executed by the party or parties against whom or which enforcement of such waiver
is sought; and no waiver of any such breach, non-compliance or non-fulfillment shall be construed or deemed to be a waiver of any
other or subsequent breach, non-compliance or non-fulfillment.

 

9.7           Execution in
Counterparts. This Purchase Warrant may be executed in one or more counterparts, and by the different parties hereto in separate
counterparts, each of which shall be deemed to be an original, but all of which taken together shall constitute one and the same
agreement, and shall become effective when one or more counterparts has been signed by each of the parties hereto and delivered
to each of the other parties hereto. Such counterparts may be delivered by facsimile transmission or other electronic transmission.

 

9.8          Exchange Agreement.
As a condition of the Holder’s receipt and acceptance of this Purchase Warrant, Holder agrees that, at any time prior to
the complete exercise of this Purchase Warrant by Holder, if the Company and Aegis enter into an agreement (“Exchange
Agreement”) pursuant to which they agree that all outstanding Purchase Warrants will be exchanged for securities or
cash or a combination of both, then Holder shall agree to such exchange and become a party to the Exchange Agreement.

 

[Remainder of page
intentionally left blank.]

 

    	- 9 -

    	 	 	 

    

 

IN WITNESS WHEREOF,
the Company has caused this Purchase Warrant to be signed by its duly authorized officer as of the May 29, 2015.

 

	MANHATTAN BRIDGE CAPITAL, INC.	 
	 	 	 
	By:	 	 
	 	Name: 	 
	 	Title: 	 

 

    	 

    	 	 	 

    

 

Form to be used to
exercise Purchase Warrant:

 

Date: __________, 20___

 

The undersigned hereby
elects irrevocably to exercise the Purchase Warrant for ______ Shares of Manhattan Bridge Capital, Inc., a New York corporation
(the “Company”) and hereby makes payment of $____ (at the rate of $____ per Share) in payment of the Exercise
Price pursuant thereto. Please issue the Shares as to which this Purchase Warrant is exercised in accordance with the instructions
given below and, if applicable, a new Purchase Warrant representing the number of Shares for which this Purchase Warrant has not
been exercised.

 

or

 

The undersigned hereby
elects irrevocably to convert its right to purchase ___ Shares under the Purchase Warrant for ______ Shares, as determined in accordance
with the following formula:

 

	 	X	=	Y(A-B)	 
	 	 	 	A	 

 

	Where,	X	=	The number of Shares to be issued to Holder;
	 	Y	=	The number of Shares for which the Purchase Warrant is being exercised;
	 	A	=	The fair market value of one Share which is equal to $_____; and
	 	B	=	The Exercise Price which is equal to $______ per share

 

The undersigned agrees
and acknowledges that the calculation set forth above is subject to confirmation by the Company and any disagreement with respect
to the calculation shall be resolved by the Company in its sole discretion.

 

Please issue the Shares
as to which this Purchase Warrant is exercised in accordance with the instructions given below and, if applicable, a new Purchase
Warrant representing the number of Shares for which this Purchase Warrant has not been converted.

 

Signature

 

Signature Guaranteed

 

    	 

    	 	 	 

    

 

INSTRUCTIONS FOR REGISTRATION
OF SECURITIES

 

Name:

(Print in Block Letters)

Address:

 

NOTICE: The signature
to this form must correspond with the name as written upon the face of the Purchase Warrant without alteration or enlargement or
any change whatsoever, and must be guaranteed by a bank, other than a savings bank, or by a trust company or by a firm having membership
on a registered national securities exchange.

 

    	 

    	 	 	 

    

 

Form to be used to assign Purchase Warrant:

ASSIGNMENT

 

(To be executed by the registered Holder
to effect a transfer of the within Purchase Warrant):

 

FOR VALUE RECEIVED, __________________
does hereby sell, assign and transfer unto ______________ the right to purchase shares of Manhattan Bridge Capital, Inc., a New
York corporation (the “Company”), evidenced by the Purchase Warrant and does hereby authorize the Company to
transfer such right on the books of the Company.

 

Dated: __________, 20__

 

Signature

 

Signature Guaranteed

 

NOTICE: The signature
to this form must correspond with the name as written upon the face of the within Purchase Warrant without alteration or enlargement
or any change whatsoever, and must be guaranteed by a bank, other than a savings bank, or by a trust company or by a firm having
membership on a registered national securities exchange.EX-4.4

 Exhibit 4.4 

Execution Copy 
  

 
  

INDENTURE 
 Dated as of
March 28, 2013 
 Among 

MILACRON LLC, 
 MCRON FINANCE
CORP. 
 and 
 the Guarantors
from time to time parties hereto 
 and 

U.S. BANK NATIONAL ASSOCIATION 
 as
Trustee 
 7.750% SENIOR NOTES DUE 2021 
  

 
  

 CROSS-REFERENCE TABLE 
  

			
	     TIA Section

      Reference
	  	 Indenture

Section

	 310(a)(1)
	  	7.10
	 (a)(2)
	  	7.10
	 (a)(3)
	  	N.A.
	 (a)(4)
	  	N.A.
	 (a)(5)
	  	N.A.
	 (b)
	  	7.10
	 311(a)
	  	7.11
	 (b)
	  	7.11
	 312(a)
	  	2.05
	 (b)
	  	13.03
	 (c)
	  	13.03
	 313(a)
	  	7.06
	 (b)(1)
	  	N.A.
	 (b)(2)
	  	7.06, 7.07
	 (c)
	  	7.06, 13.02
	 (d)
	  	7.06
	 314(a)
	  	13.05
	 (b)
	  	N.A.
	 (c)(1)
	  	N.A.
	 (c)(2)
	  	N.A.
	 (c)(3)
	  	N.A.
	 (d)
	  	N.A.
	 (e)
	  	13.05
	 (f)
	  	N.A.
	 318(a)
	  	N.A.
	 (b)
	  	N.A.
	 (c)
	  	13.01

 N.A. means Not Applicable. 

Note: This Cross-Reference Table shall not, for any purpose, be deemed to be part of this Indenture. 

 TABLE OF CONTENTS 
  

							
	 	 	 	  	Page	 
	
	ARTICLE I	  
	
	DEFINITIONS AND INCORPORATION BY REFERENCE	  
			
	 Section 1.01.
	 	Definitions	  	 	1	  
	 Section 1.02.
	 	Other Definitions	  	 	30	  
	 Section 1.03.
	 	Incorporation by Reference of Trust Indenture Act	  	 	31	  
	 Section 1.04.
	 	Rules of Construction	  	 	31	  
	 Section 1.05.
	 	Acts of Holders	  	 	32	  
	
	ARTICLE II	  
	
	THE NOTES	  
			
	 Section 2.01.
	 	Form and Dating; Terms	  	 	33	  
	 Section 2.02.
	 	Execution and Authentication	  	 	34	  
	 Section 2.03.
	 	Registrar and Paying Agent	  	 	35	  
	 Section 2.04.
	 	Paying Agent to Hold Money in Trust	  	 	35	  
	 Section 2.05.
	 	Holder Lists	  	 	35	  
	 Section 2.06.
	 	Transfer and Exchange	  	 	36	  
	 Section 2.07.
	 	Replacement Notes	  	 	45	  
	 Section 2.08.
	 	Outstanding Notes	  	 	45	  
	 Section 2.09.
	 	Treasury Notes	  	 	46	  
	 Section 2.10.
	 	Temporary Notes	  	 	46	  
	 Section 2.11.
	 	Cancellation	  	 	46	  
	 Section 2.12.
	 	Defaulted Interest	  	 	46	  
	 Section 2.13.
	 	CUSIP/ISIN Numbers	  	 	47	  
	 Section 2.14.
	 	Calculation of Principal Amount of Securities	  	 	47	  
	
	ARTICLE III	  
	
	REDEMPTION AND PREPAYMENT	  
			
	 Section 3.01.
	 	Notices to Trustee	  	 	47	  
	 Section 3.02.
	 	Selection of Notes to Be Redeemed	  	 	47	  
	 Section 3.03.
	 	Notice of Redemption	  	 	48	  
	 Section 3.04.
	 	Effect of Notice of Redemption	  	 	49	  
	 Section 3.05.
	 	Deposit of Redemption Price	  	 	49	  
	 Section 3.06.
	 	Notes Redeemed in Part	  	 	49	  
	 Section 3.07.
	 	Optional Redemption	  	 	49	  
	 Section 3.08.
	 	Mandatory Redemption	  	 	49	  
	 Section 3.09.
	 	Offer to Purchase	  	 	50	  
	
	 ARTICLE IV
	   

	
	 COVENANTS
	   

			
	 Section 4.01.
	 	Payment of Notes	  	 	51	  
	 Section 4.02.
	 	Maintenance of Office or Agency	  	 	52	  
	 Section 4.03.
	 	Reports	  	 	52	  
	 Section 4.04.
	 	Compliance Certificate; Notices of Default	  	 	54	  

  
 -i- 

							
	 	 	 	  	Page	 
			
	 Section 4.05.
	 	Taxes	  	 	54	  
	 Section 4.06.
	 	Stay, Extension and Usury Laws	  	 	55	  
	 Section 4.07.
	 	Restricted Payments	  	 	55	  
	 Section 4.08.
	 	Restrictions on Distributions from Restricted Subsidiaries	  	 	61	  
	 Section 4.09.
	 	Incurrence of Additional Indebtedness and Issuance of Disqualified Stock and Preferred Stock	  	 	63	  
	 Section 4.10.
	 	Asset Sales	  	 	69	  
	 Section 4.11.
	 	Affiliate Transactions	  	 	70	  
	 Section 4.12.
	 	Liens	  	 	72	  
	 Section 4.13.
	 	Corporate Existence	  	 	73	  
	 Section 4.14.
	 	Repurchase at the Option of Holders Upon a Change of Control	  	 	73	  
	 Section 4.15.
	 	Guarantees of Indebtedness by Restricted Subsidiaries	  	 	74	  
	 Section 4.16.
	 	Restrictions on Activities of the Co-Issuer	  	 	75	  
	 Section 4.17.
	 	Maintenance of Properties	  	 	75	  
	
	ARTICLE V	  
	
	SUCCESSORS	  
			
	 Section 5.01.
	 	Merger, Consolidation and Sale of All or Substantially All Assets	  	 	75	  
	 Section 5.02.
	 	Successor Corporation Substituted	  	 	78	  
	
	ARTICLE VI	  
	
	DEFAULTS AND REMEDIES	  
			
	 Section 6.01.
	 	Events of Default	  	 	78	  
	 Section 6.02.
	 	Acceleration	  	 	79	  
	 Section 6.03.
	 	Other Remedies	  	 	80	  
	 Section 6.04.
	 	Waiver of Defaults	  	 	80	  
	 Section 6.05.
	 	Control by Majority	  	 	80	  
	 Section 6.06.
	 	Limitation on Suits	  	 	81	  
	 Section 6.07.
	 	Rights of Holders to Receive Payment	  	 	81	  
	 Section 6.08.
	 	Collection Suit by Trustee	  	 	81	  
	 Section 6.09.
	 	Restoration of Rights and Remedies	  	 	81	  
	 Section 6.10.
	 	Rights and Remedies Cumulative	  	 	81	  
	 Section 6.11.
	 	Delay or Omission Not Waiver	  	 	82	  
	 Section 6.12.
	 	Trustee May File Proofs of Claim	  	 	82	  
	 Section 6.13.
	 	Priorities	  	 	82	  
	 Section 6.14.
	 	Undertaking for Costs	  	 	83	  
	
	 ARTICLE VII
	   

	
	 TRUSTEE
	   

			
	 Section 7.01.
	 	Duties of Trustee	  	 	83	  
	 Section 7.02.
	 	Rights of Trustee	  	 	84	  
	 Section 7.03.
	 	Individual Rights of Trustee	  	 	84	  
	 Section 7.04.
	 	Trustee’s Disclaimer	  	 	85	  
	 Section 7.05.
	 	Notice of Defaults	  	 	85	  
	 Section 7.06.
	 	Reports by Trustee to Holders	  	 	85	  
	 Section 7.07.
	 	Compensation and Indemnity	  	 	85	  
	 Section 7.08.
	 	Replacement of Trustee	  	 	86	  
	 Section 7.09.
	 	Successor Trustee by Merger, Etc.	  	 	87	  
	 Section 7.10.
	 	Eligibility; Disqualification	  	 	87	  

  
 -ii- 

							
	 	 	 	  	Page	 
			
	 Section 7.11.
	 	Preferential Collection of Claims Against Issuers	  	 	87	  
	
	 ARTICLE VIII
	   

	
	 LEGAL DEFEASANCE AND COVENANT DEFEASANCE
	   

			
	 Section 8.01.
	 	Option to Effect Legal Defeasance or Covenant Defeasance	  	 	87	  
	 Section 8.02.
	 	Legal Defeasance and Discharge	  	 	87	  
	 Section 8.03.
	 	Covenant Defeasance	  	 	88	  
	 Section 8.04.
	 	Conditions to Legal or Covenant Defeasance	  	 	88	  
	 Section 8.05.
	 	Deposited Cash and U.S. Government Securities to Be Held in Trust; Other Miscellaneous Provisions	  	 	89	  
	 Section 8.06.
	 	Repayment to Issuers	  	 	90	  
	 Section 8.07.
	 	Reinstatement	  	 	90	  
	
	 ARTICLE IX
	   

	
	 AMENDMENT, SUPPLEMENT AND WAIVER
	   

			
	 Section 9.01.
	 	Without Consent of Holders of Notes	  	 	90	  
	 Section 9.02.
	 	With Consent of Holders of Notes	  	 	91	  
	 Section 9.03.
	 	Compliance with Trust Indenture Act	  	 	93	  
	 Section 9.04.
	 	Revocation and Effect of Consents	  	 	93	  
	 Section 9.05.
	 	Notation on or Exchange of Notes	  	 	93	  
	 Section 9.06.
	 	Trustee to Sign Amendments, Etc.	  	 	93	  
	 Section 9.07.
	 	Payment for Consent	  	 	93	  
	
	 ARTICLE X
	   

	
	 GUARANTEES
	   

			
	 Section 10.01.
	 	Guarantee	  	 	94	  
	 Section 10.02.
	 	Limitation on Guarantor Liability	  	 	95	  
	 Section 10.03.
	 	Execution and Delivery of Guarantee	  	 	95	  
	 Section 10.04.
	 	Subrogation	  	 	96	  
	 Section 10.05.
	 	Benefits Acknowledged	  	 	96	  
	 Section 10.06.
	 	Release of Guarantees	  	 	96	  
	
	 ARTICLE XI
	   

	
	 [RESERVED]
	   

	
	 ARTICLE XII
	   

	
	 SATISFACTION AND DISCHARGE
	   

			
	 Section 12.01.
	 	Satisfaction and Discharge	  	 	97	  
	 Section 12.02.
	 	Application of Trust Money	  	 	97	  
	
	 ARTICLE XIII
	   

	
	 MISCELLANEOUS
	   

			
	 Section 13.01.
	 	Trust Indenture Act Controls	  	 	98	  
	 Section 13.02.
	 	Notices	  	 	98	  

  
 -iii- 

							
	 	 	 	  	Page	 
			
	 Section 13.03.
	 	Communication by Holders of Notes with Other Holders of Notes	  	 	99	  
	 Section 13.04.
	 	Certificate and Opinion as to Conditions Precedent	  	 	99	  
	 Section 13.05.
	 	Statements Required in Certificate or Opinion	  	 	99	  
	 Section 13.06.
	 	Rules by Trustee and Agents	  	 	100	  
	 Section 13.07.
	 	No Personal Liability of Directors, Officers, Employees and Stockholders	  	 	100	  
	 Section 13.08.
	 	Governing Law	  	 	100	  
	 Section 13.09.
	 	Waiver of Jury Trial	  	 	100	  
	 Section 13.10.
	 	Force Majeure	  	 	100	  
	 Section 13.11.
	 	No Adverse Interpretation of Other Agreements	  	 	100	  
	 Section 13.12.
	 	Successors	  	 	100	  
	 Section 13.13.
	 	Severability	  	 	101	  
	 Section 13.14.
	 	Counterpart Originals	  	 	101	  
	 Section 13.15.
	 	Table of Contents, Headings, Etc.	  	 	101	  
	 Section 13.16.
	 	Patriot Act	  	 	101	  
			
	 EXHIBITS
	 		  			
			
	 Exhibit A
	 	Form of Note	  			
			
	 Exhibit B
	 	Form of Transfer Certificate	  			
			
	 Exhibit C
	 	Form of Certificate of Exchange	  			
			
	 Exhibit D
	 	Form of Supplemental Indenture	  			

  
 -iv- 

 INDENTURE, dated as of March 28, 2013, as amended or supplemented from time to time (this
“Indenture”), among Milacron LLC, a Delaware limited liability company (and any successor entity, “Milacron”), Mcron Finance Corp., a Delaware corporation (and any successor entity, the “Co-Issuer”
and together with Milacron, the “Issuers”), the Guarantors and U.S. Bank National Association, a national banking association, as Trustee. 

W I T N E S S E T H 

WHEREAS, the Issuers have duly authorized the creation of an issue of $465,000,000 aggregate principal amount of Senior Notes due 2021 (the
“Initial Notes”); 
 WHEREAS, the Issuers have duly authorized the execution and delivery of this Indenture to provide for
the issuance of the Notes; 
 WHEREAS, in connection with the Mold-Masters Acquisition Transactions (as defined herein), the obligations of
the Issuers with respect to the due and punctual payment of the principal of, premium, if any, and interest on all the Notes and the performance and observation of each covenant and agreement under this Indenture to be performed or observed will
become unconditionally and irrevocably guaranteed by the Guarantors; and 
 NOW, THEREFORE, Milacron, the Co-Issuer and the Trustee agree as
follows for the benefit of each other and for the equal and ratable benefit of the Holders of the Notes. 
 ARTICLE I 

DEFINITIONS AND INCORPORATION BY REFERENCE 

Section 1.01. DEFINITIONS 

For all purposes of this Indenture, except as otherwise expressly provided or unless the context otherwise requires: 

“144A Global Note” means a Global Note substantially in the form of Exhibit A hereto bearing the Global Note Legend and the
Private Placement Legend and deposited with and registered in the name of the Depositary or its nominee issued in a denomination equal to the outstanding principal amount of the Notes sold for initial resale in reliance on Rule 144A. 

“2012 Transactions” means the transactions contemplated by the Stock Purchase Agreement dated as of March 29, 2012, by
and among Milacron Holdings Inc., the shareholders of Milacron Holdings Inc., the holders of options of Milacron Holdings Inc., Mcron Acquisition Corp and the representative of the sellers named therein, the issuance of the Secured Notes, the entry
into and borrowings under the related asset-based credit facility and the repayment of existing indebtedness, consummated on April 30, 2012. 

“ABL Credit Agreement” means the Credit Facility under the credit agreement dated April 30, 2012, by and among Milacron
Holdings Inc., Milacron LLC and Mcron Finance Sub LLC, the subsidiary guarantors party thereto, the lenders party thereto in their capacities as lenders thereunder, Merrill Lynch, Pierce, Fenner & Smith Incorporated, RBC Capital Markets and
Barclays Bank PLC, as joint lead arrangers and joint bookrunners, and Bank of America, N.A., as Administrative Agent, including any guarantees, collateral documents, instruments and agreements executed in connection therewith, and any amendments,
restatements, amendments and restatements, supplements, waivers, modifications, extensions, renewals, replacements (whether or not upon termination, and whether with the original lenders or otherwise), restructurings, repayments, restatements,
refundings or refinancings thereof and any indentures or credit facilities or commercial paper facilities with banks or other institutional lenders or other investors generally that amends, restates, amends and restates, supplements, waives,
replaces (whether or not upon termination, and whether with the original lenders or otherwise), restructures, repays, refunds, refinances or otherwise modifies from time to time any part of the loans, notes, other credit facilities or incremental
facilities (or bridge loans or notes issued in lieu of such incremental facilities) or commitments 

 
thereunder, including any such replacement, refunding, refinancing, incremental or bridge facility or indenture that increases the amount borrowable thereunder or alters the maturity thereof
(provided that such increase in borrowings is permitted under Section 4.09). 
 “Acquired Indebtedness” means, with
respect to any specified Person (1) Indebtedness of any other Person existing at the time such other Person is merged or consolidated with or into or became a Restricted Subsidiary of such specified Person, including Indebtedness incurred in
connection with, or in contemplation of, such other Person merging with or into or becoming a Restricted Subsidiary of such specified Person, and (2) Indebtedness secured by a Lien encumbering any asset acquired by such specified Person. 

“Additional Notes” means additional Notes (other than the Initial Notes) issued from time to time under this Indenture in
accordance with Section 2.01(e) hereof. 
 “Affiliate” of any specified Person means any other Person directly or
indirectly controlling or controlled by or under direct or indirect common control with such specified Person. For purposes of this definition, “control” (including, with correlative meanings, the terms
“controlling,” “controlled by” and “under common control with”), as used with respect to any Person, shall mean the possession, directly or indirectly, of the power to direct or cause the direction
of the management or policies of such Person, whether through the ownership of voting securities, by agreement or otherwise. 

“Agent” means any Registrar, co-registrar, Paying Agent or additional paying agent. 

“Applicable Premium” means, with respect to any Note on any Redemption Date, the greater of: (a) 1.0% of the principal
amount of such Note on such Redemption Date; and (b) the excess, if any, of (i) the present value at such Redemption Date of (A) the redemption price of such Note at February 15, 2016 (such redemption price being set forth in the
applicable Note), plus (B) all required interest payments due on such Note through February 15, 2016 (excluding accrued but unpaid interest to the Redemption Date), computed using a discount rate equal to the Treasury Rate as of such
Redemption Date plus 50 basis points; over (ii) the principal amount of such Note on such Redemption Date. 
 “Applicable
Procedures” means, with respect to any transfer, redemption, tender or exchange of or for beneficial interests in any Global Note, the rules and procedures of the Depositary, Euroclear and/or Clearstream that apply to such transfer,
redemption, tender or exchange. 
 “Asset Sale” means: 

(1) the sale, conveyance, transfer or other disposition, whether in a single transaction or a series of related transactions,
of property or assets (including by way of a Sale and Lease-Back Transaction) of Milacron or any of the Restricted Subsidiaries (each referred to in this definition as a “disposition”); or 

(2) the issuance or sale of Equity Interests (other than directors’ qualifying shares and shares issued to foreign
nationals or other third parties to the extent required by applicable law) of any Restricted Subsidiary, whether in a single transaction or a series of related transactions (other than to Milacron or to a Restricted Subsidiary and other than
Disqualified Stock or Preferred Stock of Restricted Subsidiaries issued in compliance with Section 4.09); 
 in each case, other than: 

(a) any disposition of Cash Equivalents or Investment Grade Securities or obsolete or worn out property or equipment in the
ordinary course of business or any disposition of inventory or goods (or other assets) held for sale in the ordinary course of business and any disposition of property or equipment no longer used or useful in the conduct of the business of Milacron
and its Restricted Subsidiaries; 

  
 -2- 

 (b) the disposition of all or substantially all of the assets of Milacron and its
Restricted Subsidiaries in a manner permitted pursuant to the provisions of Section 5.01 or any disposition that constitutes a Change of Control pursuant to this Indenture; 

(c) the making of any Permitted Investment or Restricted Payment that is permitted to be made, and is made, under
Section 4.07 or the granting of a Lien permitted under Section 4.12; 
 (d) any disposition of assets or issuance
or sale of Equity Interests of a Restricted Subsidiary in any transaction or series of transactions with an aggregate fair market value (as determined in good faith by Milacron) of less than $15.0 million; 

(e) any disposition of property or assets or issuance of securities by a Restricted Subsidiary to Milacron or by Milacron or a
Restricted Subsidiary to another Restricted Subsidiary; 
 (f) any exchange of like property for use in a Similar Business;

 (g) the sale, lease, assignment, sublease, license or sublicense of any real or personal property in the ordinary course
of business; 
 (h) any issuance or sale of Equity Interests in, or Indebtedness or other securities of, an Unrestricted
Subsidiary or any other disposition of such Unrestricted Subsidiary or any disposition of assets of such Unrestricted Subsidiary; 

(i) any disposition arising from foreclosure, casualty, condemnation or similar action or transfers by reason of eminent domain
with respect to any property or other assets, or exercise of termination rights under any lease, sublease, license, sublicense, concession or other agreement, or pursuant to buy/sell arrangements under any joint venture or similar agreement or
arrangement; 
 (j) sales or transfers (including by capital contribution) of accounts receivable and related assets, or
participations therein, in connection with any Receivables Facility or pursuant to any other factoring arrangement; 
 (k)
the grant in the ordinary course of business of any licenses or sublicenses of patents, trademarks, know-how and any other intellectual property; 

(l) any financing transaction with respect to property built or acquired by Milacron or any Restricted Subsidiary after the
Issue Date, including Sale and Lease-Back Transactions and asset securitizations permitted by this Indenture; 
 (m) sales of
accounts receivable in connection with the collection, settlement or compromise thereof or in a bankruptcy or similar proceeding; 

(n) the discount of inventory, accounts receivable or notes receivable in the ordinary course of business or the conversion of
accounts receivable to notes receivable; 
 (o) any surrender or waiver of contract rights or the settlement, release,
recovery on or surrender of contract, tort or other claims of any kind; 
 (p) dispositions in connection with the
outsourcing of services in the ordinary course of business; 
 (q) the abandonment of intellectual property rights in the
ordinary course of business, which in the reasonable good faith determination of Milacron or a Restricted Subsidiary are not material to the conduct of the business of Milacron and the Restricted Subsidiaries taken as a whole; and 

  
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 (r) voluntary terminations of Hedging Obligations. 

“Bank Lender” means any lender or holder or agent or arranger of Indebtedness under the ABL Credit Agreement, the Term Loan
Credit Agreement or Credit Facilities Debt. 
 “Bankruptcy Code” means Title 11 of the United States Code, as amended. 

“Bankruptcy Law” means The Bankruptcy Code or any similar federal or state law for the relief of debtors, or the law of any
other jurisdiction relating to bankruptcy, insolvency, winding-up, liquidation, reorganization or relief of debtors. 
 “Board of
Directors” means for any Person (1) the board of directors or other governing body of such Person, or if a Person does not have a board of directors or other governing body and is owned or managed by a single entity, the board of
directors or other governing body of such entity or, in other cases, any committee duly authorized to act on behalf of such board or governing body; and (2) in respect of any other Person, the board or committee of that Person serving an
equivalent function. 
 “Board Resolution” of a Person means a copy of a resolution certified by the secretary or an
assistant secretary (or individual performing comparable duties) of the applicable Person to have been duly adopted by the Board of Directors of such Person and to be in full force and effect on the date of such certification. 

“Borrowing Base” means, as of any date, an amount equal to: 

(1) 85% of the aggregate book value of all accounts receivable owned by Milacron and the Restricted Subsidiaries; plus 

(2) the lesser of (i) 65% of the lesser of cost (valued on a first in, first out basis) or market value of Milacron’s
and the Restricted Subsidiaries’ eligible inventory and (ii) 85% of the appraised net orderly liquidation value of Milacron’s and the Restricted Subsidiaries’ eligible inventory, 

in each case calculated on a consolidated basis and in accordance with GAAP and based upon the most recent internal month end financial statements available
to Milacron. 
 “Business Day” means each day which is not a Legal Holiday. 

“Capital Stock” means: 

(1) in the case of a corporation, corporate stock; 

(2) in the case of an association or business entity, any and all shares, interests, participations, rights or other
equivalents (however designated) of corporate stock; 
 (3) in the case of a partnership or limited liability company,
partnership or membership interests (whether general or limited); and 
 (4) any other interest or participation that confers
on a Person the right to receive a share of the profits and losses of, or distributions of assets of, the issuing Person, but excluding from all of the foregoing any debt securities convertible into equity. 

“Capitalized Lease Obligation” means, at the time any determination thereof is to be made, the amount of the liability in
respect of a capital lease that would at such time be required to be capitalized and reflected as a liability on a balance sheet (excluding the footnotes thereto) in accordance with GAAP. 

“Capitalized Software Expenditures” shall mean, for any period, the aggregate of all expenditures (whether paid in cash or
accrued as liabilities) by a Person and its Restricted Subsidiaries during such period in 

  
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respect of purchased software or internally developed software and software enhancements that, in conformity with GAAP, are or are required to be reflected as capitalized costs on the
consolidated balance sheet of such Person and such Subsidiaries. 
 “Cash Equivalents” means: 

(1) United States dollars; 

(2) (a) Canadian dollar, euro, or any national currency of any participating member state of the EMU; or (b) in the case
of Milacron or a Restricted Subsidiary, such local currencies held by them from time to time in the ordinary course of business; 

(3) securities issued or directly and fully and unconditionally guaranteed or insured by the U.S. government or any agency or
instrumentality thereof the securities of which are unconditionally guaranteed as a full faith and credit obligation of such government with maturities of 24 months or less from the date of acquisition; 

(4) certificates of deposit, time deposits and eurodollar time deposits with maturities of one year or less from the date of
acquisition, bankers’ acceptances with maturities not exceeding one year and overnight bank deposits, in each case with any commercial bank having capital and surplus of not less than $500.0 million in the case of U.S. banks and $100.0 million
(or the U.S. dollar equivalent as of the date of determination) in the case of non-U.S. banks; 
 (5) repurchase obligations
for underlying securities of the types described in clauses (3) and (4) entered into with any financial institution meeting the qualifications specified in clause (4) above; 

(6) commercial paper rated at least P-1 by Moody’s or at least A-1 by S&P in each case maturing within 24 months after
the date of creation thereof; 
 (7) marketable short-term money market and similar securities having a rating of at least
P-2 or A-2 from either Moody’s or S&P, respectively (or, if at any time neither Moody’s nor S&P shall be rating such obligations, an equivalent rating from another Rating Agency), in each case maturing within 24 months after the
date of creation thereof; 
 (8) investment funds investing 95% of their assets in securities of the types described in
clauses (1) through (7) above; 
 (9) readily marketable direct obligations issued by any state, commonwealth or
territory of the United States or any political subdivision or taxing authority thereof having an Investment Grade Rating from either Moody’s or S&P with maturities of 24 months or less from the date of acquisition; 

(10) Indebtedness or Preferred Stock issued by Persons with a rating of “A” or higher from S&P or “A2”
or higher from Moody’s with maturities of 24 months or less from the date of acquisition; and 
 (11) Investments in
money market funds rated AAA- (or the equivalent thereof) or better by S&P or Aaa3 (or the equivalent thereof) or better by Moody’s. 

Notwithstanding the foregoing, Cash Equivalents shall include amounts denominated in currencies other than those set forth in clauses
(1) and (2) above, provided that such amounts are converted into any currency listed in clauses (1) and (2) as promptly as practicable and in any event within ten Business Days following the receipt of such amounts. 

“Cash Management Obligations” means Obligations under any facilities or services related to cash management, including
treasury, depository, overdraft, credit or debit card, stored value cards, purchase cards, automated clearing house fund transfer services, purchase card, electronic funds transfer (including non-card e- payables services) and other cash management
arrangements and commercial credit card and merchant card services. 

  
 -5- 

 “Change of Control” means the occurrence of any of the following: 

(1) the sale, lease or transfer, in one or a series of related transactions, of all or substantially all of the assets of
Milacron and its Restricted Subsidiaries, taken as a whole, to any Person other than a Permitted Holder; or 
 (2) Milacron
becomes aware of (by way of a report or any other filing pursuant to Section 13(d) of the Exchange Act, proxy, vote, written notice or otherwise) the acquisition by any Person or group (within the meaning of Section 13(d)(3) or
Section 14(d)(2) of the Exchange Act, or any successor provision), including any group acting for the purpose of acquiring, holding or disposing of securities (within the meaning of Rule 13d-5(b)(1) under the Exchange Act, or any successor
provision), other than the Permitted Holders, in a single transaction or in a related series of transactions, by way of merger, consolidation or other business combination or purchase of beneficial ownership (within the meaning of Rule 13d-3 under
the Exchange Act, or any successor provision) of 50% or more of the total voting power of the Voting Stock of Milacron or any of its direct or indirect parent companies. 

Notwithstanding anything to the contrary in the foregoing, the Mold-Masters Acquisition Transactions shall not constitute or give rise to a
“Change of Control.” 
 “Clearstream” means Clearstream Banking S.A. and any successor thereto. 

“Code” means the U.S. Internal Revenue Code of 1986, as amended. 

“Co-Issuer” means the party named as such in the preamble hereto or any successor obligor to its obligations under this
Indenture and the Notes. 
 “Consolidated Depreciation and Amortization Expense” means, with respect to any Person, for any
period, the total amount of depreciation and amortization expense, including the amortization of deferred financing fees, debt issuance costs, commissions, fees and expenses and Capitalized Software Expenditures and amortization of unrecognized
prior service costs and actuarial gains and losses related to pensions and other post-employment benefits, of such Person and its Restricted Subsidiaries for such period on a consolidated basis and otherwise determined in accordance with GAAP. 

“Consolidated Interest Expense” means, with respect to any Person for any period, without duplication, the sum of: 

(1) consolidated interest expense of such Person and its Restricted Subsidiaries for such period, to the extent such expense
was deducted (and not added back) in computing Consolidated Net Income (including (a) amortization of original issue discount resulting from the issuance of Indebtedness at less than par, (b) all commissions, discounts and other fees and
charges owed with respect to letters of credit or bankers’ acceptances, (c) non-cash interest expense (but excluding any non-cash interest expense attributable to the movement in the mark-to-market valuation of Hedging Obligations or other
derivative instruments pursuant to GAAP), (d) the interest component of Capitalized Lease Obligations and (e) net payments, if any, pursuant to interest rate Hedging Obligations with respect to Indebtedness, and excluding
(v) accretion or accrual of discounted liabilities not constituting Indebtedness, (w) any expense resulting from the discounting of Indebtedness in connection with the application of recapitalization accounting or, if applicable, purchase
accounting, (x) amortization of deferred financing fees, debt issuance costs, commissions, fees and expenses, (y) any expensing of bridge, commitment and other financing fees and (z) commissions, discounts, yield and other fees and
charges (including any interest expense) related to any Receivables Facility); plus 

  
 -6- 

 (2) consolidated capitalized interest of such Person and its Restricted
Subsidiaries for such period, whether paid or accrued; less 
 (3) interest income of such Person and its Restricted
Subsidiaries for such period. 
 For purposes of this definition, interest on a Capitalized Lease Obligation shall be deemed to accrue at an
interest rate reasonably determined by Milacron to be the rate of interest implicit in such Capitalized Lease Obligation in accordance with GAAP. 

“Consolidated Net Income” means, with respect to any Person for any period, the aggregate of the Net Income of such Person
and its Restricted Subsidiaries for such period, on a consolidated basis, and otherwise determined in accordance with GAAP; provided, however, that, without duplication, 

(1) any after-tax effect of extraordinary, non-recurring or unusual gains or losses (less all fees and expenses relating
thereto) or expenses (including relating to the 2012 Transactions or the Mold-Masters Acquisition Transactions), severance and relocation, retention and executive recruiting costs shall be excluded, 

(2) the Net Income for such period shall not include the cumulative effect of a change in accounting principles during such
period, 
 (3) any after-tax effect of income or loss from disposed, abandoned or discontinued operations and any net
after-tax gains or losses on disposed, abandoned, transferred, closed or discontinued operations shall be excluded, 
 (4)
any after-tax effect of gains or losses (less all fees and expenses relating thereto) attributable to asset dispositions or abandonments other than in the ordinary course of business, as determined in good faith by Milacron, shall be excluded, 

(5) the Net Income for such period of any Person that is not a Subsidiary, or is an Unrestricted Subsidiary or that is
accounted for by the equity method of accounting, shall be excluded; provided that Consolidated Net Income of Milacron shall be increased by the amount of dividends or distributions or other payments that are actually paid in cash (or to the
extent converted into cash) to such Person or a Subsidiary thereof that is Milacron or a Restricted Subsidiary in respect of such period, 

(6) solely for the purpose of determining the amount available for Restricted Payments under Section 4.07(b)(iii)(1), the
Net Income for such period of any Restricted Subsidiary (other than any Guarantor) shall be excluded to the extent that the declaration or payment of dividends or similar distributions by that Restricted Subsidiary of its Net Income is not at the
date of determination wholly permitted without any prior governmental approval (which has not been obtained) or, directly or indirectly, by the operation of the terms of its charter or any agreement, instrument, judgment, decree, order, statute,
rule, or governmental regulation applicable to that Restricted Subsidiary or its stockholders, unless such restriction with respect to the payment of dividends or similar distributions has been legally waived; provided that Consolidated Net
Income of Milacron will be increased by the amount of dividends or other distributions or other payments actually paid in cash (or to the extent converted into cash) or Cash Equivalents to Milacron or a Restricted Subsidiary thereof in respect of
such period, to the extent not already included therein, 
 (7) effects of adjustments (including the effects of such
adjustments pushed down to Milacron and its Restricted Subsidiaries) in the property, equipment, leases, inventory, software and other intangible assets, deferred revenue and debt line items (including deferred costs and deferred rent related
thereto) in such Person’s consolidated financial statements pursuant to GAAP resulting from the application of purchase accounting or, if applicable, acquisition method accounting in relation to the 2012 Transactions or the Mold-Masters
Acquisition Transactions or any consummated acquisition or the amortization or write-off of any amounts thereof, net of taxes, shall be excluded, 

  
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 (8) any after-tax effect of income or loss from the early extinguishment of
Indebtedness or Hedging Obligations or other derivative instruments shall be excluded, 
 (9) any impairment charge or asset
write-off or write-down, including impairment charges or asset write-offs or write-downs related to intangible assets, long-lived assets, investments in debt and equity securities or as a result of a change in law or regulation, in each case,
pursuant to GAAP and the amortization of intangibles arising pursuant to GAAP shall be excluded, 
 (10) any non-cash
compensation charge or expense recorded from grants of stock appreciation or similar rights, stock options, restricted stock or other rights and any income or loss attributable to deferred compensation plans or trusts, including but not limited to
charges and expenses arising under FASB ASC 718 and cash charges associated with the rollover, acceleration or payout of Equity Interests by management of Milacron or any of its direct or indirect parent companies in connection with the 2012
Transactions or the Mold-Masters Acquisition Transactions shall be excluded, 
 (11) any fees and expenses (including any
adjustment of estimated payouts on earn-outs) incurred during such period, or any amortization thereof for such period, in connection with the 2012 Transactions or the Mold-Masters Acquisition Transactions and any acquisition, Investment, Asset
Sale, issuance or repayment of Indebtedness, issuance of Equity Interests, refinancing transaction or amendment or modification of any debt instrument (in each case, including any such transaction consummated prior to the Issue Date and any such
transaction undertaken but not completed) and any charges or non-recurring merger costs incurred during such period as a result of any such transaction shall be excluded, 

(12) accruals and reserves that are established or adjusted within twelve months after the Issue Date that are so required to
be established as a result of the 2012 Transactions or the Mold-Masters Acquisition Transactions or in accordance with GAAP, or changes as a result of adoption or modification of accounting policies, shall be excluded, 

(13) to the extent covered by insurance and actually reimbursed, or, so long as Milacron has made a determination that there
exists reasonable evidence that such amount will in fact be reimbursed by the insurer and only to the extent that such amount is (a) not denied by the applicable carrier in writing within 180 days and (b) in fact reimbursed within 365 days
of the date of such evidence (with a deduction for any amount so added back to the extent not so reimbursed within 365 days), expenses with respect to liability or casualty events or business interruption shall be excluded, 

(14) any gain or loss resulting in such period from Hedging Obligations and the application of FASB ASC 815 and International
Accounting Standards No. 39 and their respective related pronouncements and interpretations shall be excluded, and 

(15) any gain or loss resulting in such period from currency translation gains or losses related to currency remeasurements of
Indebtedness (including any net loss or gain resulting from Hedging Obligations for currency exchange risk) shall be excluded. 
 In
addition, to the extent not already included in the Consolidated Net Income of such Person and its Restricted Subsidiaries, notwithstanding anything to the contrary in the foregoing and without duplication with any of clauses (1) through
(15) above, Consolidated Net Income shall include the amount of proceeds actually received from business interruption insurance and reimbursements actually received of any expenses and charges that are covered by indemnification or other
reimbursement provisions in connection with any Permitted Investment or any sale, conveyance, transfer or other disposition of assets permitted under this Indenture. 

Notwithstanding the foregoing, for the purpose of Section 4.07 only (other than clause (b)(iii)(4) thereof), there shall be excluded from
Consolidated Net Income any income arising from any sale or other disposition of Restricted Investments made by Milacron and the Restricted Subsidiaries, any repurchases and redemptions of Restricted Investments from Milacron and the Restricted
Subsidiaries, any repayments of loans and advances which constitute Restricted Investments by Milacron or any of the Restricted Subsidiaries, any sale of the stock of an Unrestricted Subsidiary or any distribution or dividend from an Unrestricted
Subsidiary, in each case only to the extent such amounts increase the amount of Restricted Payments permitted under Section 4.07(b)(iii)(4). 

  
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 “Consolidated Secured Debt Ratio” means, as of the date of determination, the
ratio of (a) the Consolidated Total Indebtedness of Milacron and the Restricted Subsidiaries on such date that is secured by Liens to (b) EBITDA of Milacron and the Restricted Subsidiaries for the most recently ended four fiscal quarters
ending immediately prior to such date for which internal financial statements are available, in each case with pro forma adjustments to Consolidated Total Indebtedness and EBITDA as are appropriate and consistent with the pro forma adjustments set
forth in the definition of Fixed Charge Coverage Ratio. 
 “Consolidated Total Indebtedness” means, as at any date of
determination, an amount equal to the sum of (1) the aggregate amount of all outstanding Indebtedness of Milacron and the Restricted Subsidiaries on a consolidated basis consisting of Indebtedness for borrowed money, Obligations in respect of
Capitalized Lease Obligations and debt obligations evidenced by promissory notes and similar instruments (and including, solely for purposes of calculating the Consolidated Secured Debt Ratio, all obligations relating to Receivables Facilities) and
(2) the aggregate amount of all outstanding Disqualified Stock of Milacron and all Preferred Stock of its Restricted Subsidiaries on a consolidated basis, with the amount of such Disqualified Stock and Preferred Stock equal to the greater of
their respective voluntary or involuntary liquidation preferences and maximum fixed repurchase prices, in each case determined on a consolidated basis in accordance with GAAP. For purposes hereof, the “maximum fixed repurchase price” of
any Disqualified Stock or Preferred Stock that does not have a fixed repurchase price shall be calculated in accordance with the terms of such Disqualified Stock or Preferred Stock as if such Disqualified Stock or Preferred Stock were purchased on
any date on which Consolidated Total Indebtedness shall be required to be determined pursuant to this Indenture, and if such price is based upon, or measured by, the fair market value of such Disqualified Stock or Preferred Stock, such fair market
value shall be determined reasonably and in good faith by Milacron. 
 “Contingent Obligations” means, with respect to any
Person, any obligation of such Person guaranteeing any leases, dividends or other obligations that do not constitute Indebtedness (“primary obligations”) of any other Person (the “primary obligor”) in any manner,
whether directly or indirectly, including, without limitation, any obligation of such Person, whether or not contingent, 

(1) to purchase any such primary obligation or any property constituting direct or indirect security therefor, 

(2) to advance or supply funds 

(a) for the purchase or payment of any such primary obligation, or 

(b) to maintain working capital or equity capital of the primary obligor or otherwise to maintain the net worth or solvency of
the primary obligor, or 
 (3) to purchase property, securities or services primarily for the purpose of assuring the owner
of any such primary obligation of the ability of the primary obligor to make payment of such primary obligation against loss in respect thereof. 

“Corporate Trust Office of the Trustee” shall be at the address of the Trustee specified in Section 13.02 hereof or such
other address as to which the Trustee may give notice to the Holders and the Issuers. 
 “Credit Facilities” means, with
respect to Milacron or any of the Restricted Subsidiaries, one or more debt facilities, including the ABL Credit Agreement and the Term Loan Credit Agreement and, whether or not the ABL Credit Agreement and the Term Loan Credit Agreement remain
outstanding, other financing arrangements (including, without limitation, commercial paper facilities with banks or other institutional lenders or other investors generally or indentures) providing for revolving credit loans, term loans, letters of
credit or other indebtedness, including any notes, mortgages, guarantees, collateral documents, instruments and agreements executed in connection therewith, and any amendments, supplements, modifications, extensions, renewals, restatements,

  
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amendments and restatements, restructurings or refundings thereof and any indentures or credit facilities or commercial paper facilities with banks or other institutional lenders or other
investors generally that replace, refund, refinance or are in exchange for any part of the loans, notes, other credit facilities or commitments thereunder (whether or not upon termination), including any such replacement, refunding or refinancing
facility or indenture that increases the amount permitted to be borrowed thereunder or alters the maturity thereof (provided that such increase in borrowings is permitted under Section 4.09) or adds Restricted Subsidiaries as additional
borrowers or guarantors thereunder and whether by the same or any other agent, lender or group of lenders. 
 “Credit Facilities
Debt” means (1) any Indebtedness outstanding from time to time which is permitted to be incurred and was incurred under Section 4.09(b)(i), (2) all Obligations with respect to such Indebtedness, (3) any Hedging
Obligations incurred with any Bank Lender (or its Affiliates) and (4) any Cash Management Obligations incurred with any Bank Lender (or its Affiliates). 

“CUSIP” means the Committee on Uniform Securities Identification Procedures. 

“Custodian” means, with respect to the Notes issuable or issued in whole or in part in global form, the Person specified in
Section 2.03(c) as Custodian with respect to the Notes, and any and all successors thereto appointed as custodian hereunder and having become such pursuant to the applicable provisions of this Indenture. 

“Default” means any event that is, or with the passage of time or the giving of notice or both would be, an Event of Default.

 “Definitive Note” means a certificated Note registered in the name of the Holder thereof and issued in accordance with
Section 2.06 or 2.10 hereof, in substantially the form of Exhibit A hereto except that such Note shall not bear the Global Note Legend and shall not have the “Schedule of Exchanges of Interests in the Global Note” attached thereto.

 “Depositary” means, with respect to the Notes issuable or issued in whole or in part in global form, the Person
specified in Section 2.03(b) hereof as the Depositary with respect to the Notes, and any and all successors thereto appointed as depositary hereunder and having become such pursuant to the applicable provisions of this Indenture. 

“Designated Non-cash Consideration” means the fair market value of non-cash consideration received by Milacron or a
Restricted Subsidiary in connection with an Asset Sale that is so designated as Designated Non-cash Consideration pursuant to an Officer’s Certificate, setting forth the basis of such valuation, executed by the principal financial officer of
Milacron, less the amount of cash or Cash Equivalents received in connection with a subsequent sale of or collection on such Designated Non-cash Consideration. 

“Designated Preferred Stock” means Preferred Stock of Milacron, a Restricted Subsidiary or any direct or indirect parent
company thereof (in each case other than Disqualified Stock) that is issued for cash (other than to Milacron or a Restricted Subsidiary or an employee stock ownership plan or trust established by Milacron or its Subsidiaries) and is so designated as
Designated Preferred Stock, pursuant to an Officer’s Certificate executed by the principal financial officer of Milacron, on the issuance date thereof, the cash proceeds of which are excluded from the calculation set forth in
Section 4.07(b)(iii). 
 “Disqualified Stock” means, with respect to any Person, any Capital Stock of such Person
which, by its terms, or by the terms of any security into which it is convertible or for which it is putable or exchangeable, or upon the happening of any event, matures or is mandatorily redeemable (other than solely as a result of a change of
control or asset sale) pursuant to a sinking fund obligation or otherwise, or is redeemable at the option of the holder thereof (other than solely as a result of a change of control or asset sale), in whole or in part, in each case prior to the date
91 days after the earlier of the maturity date of the Notes or the date the Notes are no longer outstanding; provided, however, that if such Capital Stock is issued to any plan for the benefit of employees of Milacron or its Subsidiaries or
by any such plan to such employees, such Capital Stock shall not constitute Disqualified Stock solely because it may be required to be repurchased in order to satisfy applicable statutory or regulatory obligations or as a result of such
employee’s termination, death or disability. 

  
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 “Domestic Subsidiary” means any Restricted Subsidiary that is organized or
existing under the laws of the United States, any state thereof, or the District of Columbia. 
 “EBITDA” means, with
respect to any Person for any period, the Consolidated Net Income of such Person and its Restricted Subsidiaries for such period, 

(1) increased (without duplication) by: 

(a) provision for taxes based on income or profits or capital gains, including, without limitation, foreign, federal, state,
local, franchise, excise and similar taxes, foreign withholding taxes (including penalties and interest related to such taxes or arising from tax examinations) of such Person and such Subsidiaries paid or accrued during such period deducted (and not
added back) in computing Consolidated Net Income; plus 
 (b) Fixed Charges of such Person and such Subsidiaries for
such period (including (x) net losses on Hedging Obligations or other derivative instruments entered into for the purpose of hedging interest rate risk, (y) fees payable in respect of letters of credit and (z) costs of surety bonds in
connection with financing activities, in each case, to the extent included in Fixed Charges) together with items excluded from the definition of “Consolidated Interest Expense” pursuant to clauses (1)(v), (w), (x), (y) and (z) of
the definition thereof, and, in each such case, to the extent the same was deducted (and not added back) in calculating such Consolidated Net Income; plus 

(c) Consolidated Depreciation and Amortization Expense of such Person and such Subsidiaries for such period to the extent the
same were deducted (and not added back) in computing Consolidated Net Income; plus 
 (d) any expenses or charges
(other than depreciation or amortization expense) related to any Equity Offering, Permitted Investment, acquisition, disposition, recapitalization or the incurrence or repayment of Indebtedness permitted to be incurred by this Indenture (including a
refinancing thereof) (whether or not successful), including (i) such fees, expenses or charges related to the offering of the Notes, the Secured Notes, any Credit Facilities (including the ABL Credit Agreement and the Term Loan Credit
Agreement) or any other Refinancing Indebtedness, (ii) any such fees, costs (including call premiums), commissions, expenses and other charges related to any amendment or other modification of the Notes, the Secured Notes, any Credit Facilities
(including the ABL Credit Agreement and the Term Loan Credit Agreement) or any other Refinancing Indebtedness and (iii) commissions, discounts, yield and other fees and charges (including any interest expenses) related to any Receivables
Facility, and, in each case, deducted (and not added back) in computing Consolidated Net Income; plus 
 (e) the
amount of any restructuring charge, accrual or reserve deducted (and not added back) in such period in computing Consolidated Net Income, including any restructuring costs incurred in connection with acquisitions after the Issue Date and costs
related to the closure and/or consolidation of facilities; plus 
 (f) any other non-cash charges, including any
write-offs or write-downs, reducing Consolidated Net Income for such period (provided that if any such non-cash charges represent an accrual or reserve for potential cash items in any future period, the cash payment in respect thereof in such
future period shall be subtracted from EBITDA to such extent, and excluding amortization of a prepaid cash item that was paid in a prior period); plus 

(g) the amount of any minority interest expense consisting of Subsidiary income attributable to minority equity interests of
third parties in any non-Wholly-Owned Subsidiary deducted (and not added back) in such period in calculating Consolidated Net Income; plus 

  
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 (h) the amount of management, monitoring, consulting, transaction and advisory
fees and related expenses paid in such period to the Investors to the extent otherwise permitted under Section 4.11; plus 

(i) the amount of loss on sale of receivables and related assets to the Receivables Subsidiary in connection with a Receivables
Facility deducted (and not added back) in computing Consolidated Net Income; plus 
 (j) any costs or expense deducted
(and not added back) in computing Consolidated Net Income by such Person or any such Subsidiary pursuant to any management equity plan or stock option plan or any other management or employee benefit plan or agreement or any stock subscription or
shareholder agreement, to the extent that such cost or expenses are funded with cash proceeds contributed to the capital of Milacron or net cash proceeds of an issuance of Equity Interest of Milacron (other than Disqualified Stock) solely to the
extent that such net cash proceeds are excluded from the calculation set forth in Section 4.07(b)(iii) and have not been relied on for purposes of Section 4.09(b)(xi)(a); and 

(2) decreased by (without duplication) (a) non-cash gains increasing Consolidated Net Income of such Person and such
Subsidiaries for such period, excluding any non-cash gains to the extent they represent the reversal of an accrual or reserve for a potential cash item that reduced EBITDA in any prior period and (b) the minority interest income consisting of
subsidiary losses attributable to minority equity interests of third parties in any non-Wholly-Owned Subsidiary to the extent such minority interest income is included in Consolidated Net Income and has not been received in cash by Milacron or its
Restricted Subsidiaries. 
 “EMU” means the economic and monetary union as contemplated in the Treaty on European Union.

 “Equity Interests” means Capital Stock and all warrants, options or other rights to acquire Capital Stock, but excluding
any debt security that is convertible into, or exchangeable for, Capital Stock. 
 “Equity Offering” means any public or
private sale of common stock or Preferred Stock of Milacron or of a direct or indirect parent of Milacron (excluding Disqualified Stock), other than: 

(1) public offerings with respect to any such Person’s common stock registered on Form S-8; 

(2) issuances to Milacron or any Subsidiary of Milacron; and 

(3) any such public or private sale that constitutes an Excluded Contribution. 

“euro” means the single currency of participating member states of the EMU. 

“Euroclear” means Euroclear Bank, S.A./N.V., as operator of the Euroclear systems, and any successor thereto. 

“Event of Default” has the meaning set forth under Section 6.01. 

“Excess Proceeds” has the meaning set forth under Section 4.10(c). 

“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations of the SEC promulgated
thereunder. 
 “Excluded Contribution” means net cash proceeds, marketable securities or Qualified Proceeds received by or
contributed to Milacron from, 
 (1) contributions to its common equity capital, and 

  
 -12- 

 (2) the sale (other than to Milacron or a Subsidiary of Milacron or to any
management equity plan or stock option plan or any other management or employee benefit plan or agreement of Milacron or a Subsidiary of Milacron) of Capital Stock (other than Disqualified Stock and Designated Preferred Stock) of Milacron, 

in each case designated as Excluded Contributions pursuant to an Officer’s Certificate on the date such capital contributions are made or the date such
Equity Interests are sold, as the case may be, which are excluded from the calculation set forth in Section 4.07(b)(iii). 

“Existing Foreign Facilities” means the committed debt facilities and other financing arrangements (including, without
limitation, commercial paper facilities with banks or other institutional lenders or other investors) of Foreign Subsidiaries existing on the Issue Date, providing for revolving credit loans, term loans, letters of credit or other indebtedness,
including any notes, mortgages, guarantees, collateral documents, instruments and agreements executed in connection therewith, and any amendments, supplements, waivers, modifications, extensions, renewals, replacements (whether or not upon
termination, and whether with the original lenders or otherwise), restructurings, repayments, restatements, refundings or refinancings thereof and any indentures or credit facilities or commercial paper facilities with banks or other institutional
lenders or other investors generally that amends, restates, supplements, waives, replaces (whether or not upon termination, and whether with the original lenders or otherwise), restructures, repays, refunds, refinances or otherwise modifies from
time to time any part of the loans, notes, other credit facilities or incremental facilities (or bridge loans or notes issued in lieu of such incremental facilities) or commitments thereunder, including any such replacement, refunding, refinancing,
incremental or bridge facility or indenture that increases the amount borrowable thereunder or alters the maturity thereof (provided that such increase in borrowings is permitted under Section 4.09). 

“fair market value” means, with respect to any asset or liability, the fair market value of such asset or liability as
determined by Milacron in good faith. 
 “Financial Advisory Agreement” means the Advisory Services and Monitoring
Agreement, dated April 30, 2012, among Mcron Acquisition Corp., Milacron Holdings Inc., Mcron Finance Sub LLC and CCMP Capital Advisors, LLC, as in effect on the Issue Date and giving effect to amendments thereto that taken as a whole are not
disadvantageous in any material respect to the Holders as compared to such agreement in effect on the Issue Date. 
 “Fixed Charge
Coverage Ratio” means, with respect to Milacron for any period, the ratio of EBITDA of Milacron and the Restricted Subsidiaries on a consolidated basis of such Person for such period to the Fixed Charges of such Person for such Period. In
the event that Milacron or any Restricted Subsidiary incurs, assumes, guarantees, redeems, defeases, retires or extinguishes any Indebtedness (other than Indebtedness incurred under any revolving credit facility, in which case interest expense on
such Indebtedness shall be computed based upon the average daily balance of such Indebtedness during the applicable period) or issues or redeems Disqualified Stock or Preferred Stock subsequent to the commencement of the period for which the Fixed
Charge Coverage Ratio is being calculated but prior to or simultaneously with the event for which the calculation of the Fixed Charge Coverage Ratio is made (the “Fixed Charge Coverage Ratio Calculation Date”), then the Fixed Charge
Coverage Ratio shall be calculated giving pro forma effect to such incurrence, assumption, guarantee, redemption, defeasance, retirement or extinguishment of Indebtedness, or such issuance or redemption of Disqualified Stock or Preferred Stock, as
if the same had occurred at the beginning of the applicable four-quarter period. 
 For purposes of making the computation referred to
above, Investments, acquisitions, dispositions, mergers, amalgamations, consolidations and discontinued operations (as determined in accordance with GAAP), in each case with respect to an operating unit of a business made (or committed to be made
pursuant to a definitive agreement) during the four-quarter reference period or subsequent to such reference period and on or prior to or simultaneously with the Fixed Charge Coverage Ratio Calculation Date, and other operational changes that
Milacron or any of its Restricted Subsidiaries has determined to make and/or made during the four-quarter reference period or subsequent to such reference period and on or prior to or simultaneously with the Fixed Charge Coverage Ratio Calculation
Date shall be calculated on a pro forma basis in accordance with GAAP assuming that all such 

  
 -13- 

 
Investments, acquisitions, dispositions, mergers, amalgamations, consolidations, discontinued operations and other operational changes (and the change in any associated fixed charge obligations
and the change in EBITDA resulting therefrom) had occurred on the first day of the four-quarter reference period. If since the beginning of such period any Person that subsequently became a Restricted Subsidiary or was merged with or into Milacron
or any of the Restricted Subsidiaries since the beginning of such period shall have made any Investment, acquisition, disposition, merger, amalgamation, consolidation, discontinued operation or operational change, in each case with respect to an
operating unit of a business, that would have required adjustment pursuant to this definition, then the Fixed Charge Coverage Ratio shall be calculated giving pro forma effect thereto for such period as if such Investment, acquisition, disposition,
merger, consolidation, discontinued operation or operational change had occurred at the beginning of the applicable four-quarter period. 

For purposes of this definition, whenever pro forma effect is to be given to any Investment, acquisition, disposition, merger, amalgamation,
consolidation, discontinued operation or operational change, the pro forma calculations shall be made in good faith by a responsible financial or accounting officer of Milacron. Any such pro forma calculation may include (1) adjustments of the
nature used in connection with the calculation of “Adjusted EBITDA” as set forth in note 1 to “Summary—Summary Historical and Unaudited Pro Forma Condensed Consolidated Financial and Other Data” in the Offering Memorandum,
(2) adjustments calculated in accordance with Regulation S-X under the Securities Act and (3) adjustments to give effect to any Pro Forma Cost Savings in an amount pursuant to this clause (3) not to exceed 30% of EBITDA for the
applicable four-quarter reference period before giving effect to such Pro Forma Cost Savings. 
 If any Indebtedness bears a floating rate
of interest and is being given pro forma effect, the interest on such Indebtedness shall be calculated as if the rate in effect on the Fixed Charge Coverage Ratio Calculation Date had been the applicable rate for the entire period (taking into
account any Hedging Obligations applicable to such Indebtedness). Interest on a Capitalized Lease Obligation shall be deemed to accrue at an interest rate reasonably determined by a responsible financial or accounting officer of Milacron to be the
rate of interest implicit in the Capitalized Lease Obligation in accordance with GAAP. For purposes of making the computation referred to above, interest on any Indebtedness under a revolving credit facility computed on a pro forma basis shall be
computed based upon the average daily balance of such Indebtedness during the applicable period. Interest on Indebtedness that may optionally be determined at an interest rate based upon a factor of a prime or similar rate, a Eurocurrency interbank
offered rate, or other rate, shall be deemed to have been based upon the rate actually chosen, or, if none, then based upon such optional rate chosen as Milacron may designate. 

“Fixed Charges” means, with respect to any Person for any period, the sum, without duplication, of: 

(1) Consolidated Interest Expense of such Person and Restricted Subsidiaries for such period; plus 

(2) all cash dividends or other distributions paid to any Person other than such Person or any such Subsidiary (excluding
items eliminated in consolidation) on any series of Preferred Stock or any Refunding Capital Stock of Milacron or a Restricted Subsidiary during such period; plus 

(3) all cash dividends or other distributions paid to any Person other than such Person or any such Subsidiary (excluding
items eliminated in consolidation) on any series of Disqualified Stock of Milacron or a Restricted Subsidiary during such period. 

“Foreign Subsidiary” means any Subsidiary that is not organized or existing under the laws of the United States, any state
thereof or the District of Columbia and any Restricted Subsidiary of such Foreign Subsidiary. 
 “GAAP” means generally
accepted accounting principles in the United States of America as in effect on the Issue Date, except for any reports required to be delivered under the covenant described under Section 4.03 of this Indenture, which shall be prepared in accordance
with GAAP in effect on the date thereof. If at any time the SEC permits or requires U.S. domiciled companies subject to the reporting requirements of the Exchange Act to use IFRS in lieu of GAAP for financial reporting purposes, Milacron may elect
by written notice to the Trustee 

  
 -14- 

 
(with a copy of such notice sent concurrently by mail or in accordance with applicable DTC procedures to all Holders, as their names and addresses appear in the note register) to so use IFRS in
lieu of GAAP and, upon any such notice, references herein to GAAP shall thereafter be construed to mean (a) for all periods beginning on and after the date specified in such notice, IFRS as in effect on the date specified in such notice and
(b) for prior periods, GAAP as defined in the first sentence of this definition. All ratios and computations based on GAAP contained in this Indenture shall be computed in conformity with GAAP; provided that if reasonably requested by
the Trustee, Milacron shall provide to the Trustee and the holders financial statements and other documents setting forth a reconciliation between calculations of such ratio or computations made before and after giving effect to such conversion to
IFRS. 
 “Global Note Legend” means the legend set forth in Section 2.06(f)(ii), which is required to be placed on all
Global Notes issued under this Indenture. 
 “Global Notes” means the global Notes in the form of Exhibit A hereto issued
in accordance with Article II hereof. 
 “Government Securities” means securities that are: 

(1) direct obligations of the United States of America for the timely payment of which its full faith and credit is pledged; or

 (2) obligations of a Person controlled or supervised by and acting as an agency or instrumentality of the United States of
America the timely payment of which is unconditionally guaranteed as a full faith and credit obligation by the United States of America, which, in either case, are not callable or redeemable at the option of the issuer thereof, and shall also
include a depository receipt issued by a bank (as defined in Section 3(a)(2) of the Securities Act), as custodian with respect to any such Government Securities or a specific payment of principal of or interest on any such Government Securities
held by such custodian for the account of the holder of such depository receipt; provided that (except as required by law) such custodian is not authorized to make any deduction from the amount payable to the holder of such depository receipt
from any amount received by the custodian in respect of the Government Securities or the specific payment of principal of or interest on the Government Securities evidenced by such depository receipt. 

“guarantee” means a guarantee (other than by endorsement of negotiable instruments for collection in the ordinary course of
business), direct or indirect, in any manner (including letters of credit and reimbursement agreements in respect thereof), of all or any part of any Indebtedness or other obligations. 

“Guarantee” means the guarantee by any Guarantor of the Issuers’ Obligations under this Indenture. 

“Guarantor” means each Person that guarantees the Notes in accordance with the terms of this Indenture; provided that
for purposes of Articles IV and V and Sections 10.02 and 10.06 of this Indenture and defined terms used within such Articles and Sections, the term “Guarantor” shall not include the Parent Guarantor. 

“Hedging Obligations” means, with respect to any Person, the obligations of such Person under any interest rate swap
agreement (whether from fixed to floating or from floating to fixed), interest rate cap agreement, interest rate collar agreement, commodity swap agreement, commodity cap agreement, commodity collar agreement, foreign exchange contract, currency
swap agreement or similar agreement providing for the transfer or mitigation of interest rate, commodity or currency risks either generally or under specific contingencies. 

“Holder” means the Person in whose name a Note is registered on the registrar’s books. 

“holder” means, with reference to any Indebtedness or other Obligations, any holder or lender of, or trustee or collateral
agent or other authorized representative with respect to, such Indebtedness or Obligations, and, in the case of Hedging Obligations, any counterparty to such Hedging Obligations. 

  
 -15- 

 “IFRS” means International Financial Reporting Standards and applicable
accounting requirements set by the International Accounting Standards Board or any successor thereto (or the Financial Accounting Standards Board, the Accounting Principles Board of the American Institute of Certified Public Accountants, or any
successor to either such Board, or the SEC, as the case may be), as in effect from time to time. 
 “Indebtedness” means,
with respect to any Person, without duplication: 
 (1) any indebtedness (including principal and premium) of such Person,
whether or not contingent: 
 (a) in respect of borrowed money; 

(b) evidenced by bonds, notes, debentures or similar instruments or letters of credit or bankers’ acceptances (or, without
duplication, reimbursement agreements in respect thereof); 
 (c) representing the balance deferred and unpaid of the
purchase price of any property or service (including Capitalized Lease Obligations), except (i) any such balance that constitutes a trade payable or similar obligation to a trade creditor, in each case accrued in the ordinary course of business
and (ii) liabilities accrued in the ordinary course of business; or 
 (d) representing any Hedging Obligations; 

if and to the extent that any of the foregoing Indebtedness (other than letters of credit and Hedging Obligations) would appear
as a liability upon a balance sheet (excluding the footnotes thereto) of such Person prepared in accordance with GAAP; 
 (2)
to the extent not otherwise included, any obligation by such Person to be liable for, or to pay, as obligor, guarantor or otherwise, on the obligations of the type referred to in clause (1) of a third Person (whether or not such items would
appear upon the balance sheet of such obligor or guarantor), other than by endorsement of negotiable instruments for collection in the ordinary course of business; and 

(3) to the extent not otherwise included, the obligations of the type referred to in clause (1) of a third Person secured
by a Lien on any asset owned by such first Person, whether or not such Indebtedness is assumed by such first Person; 
 provided, however, that
notwithstanding the foregoing, Indebtedness shall be deemed not to include Contingent Obligations incurred in the ordinary course of business and obligations under or in respect of Receivables Facilities. The amount of any Indebtedness of any Person
under clause (3) above shall be deemed equal to the lesser of (x) the aggregate unpaid amount of such Indebtedness secured by such Lien and (y) the fair market value of the property encumbered thereby as determined by such Person in
good faith. 
 “Indenture” means this instrument, as originally executed or as it may from time to time be supplemented or
amended in accordance with Article IX hereof. 
 “Independent Financial Advisor” means an accounting, appraisal, investment
banking firm or consultant to Persons engaged in Similar Businesses of nationally recognized standing that is, in the good faith judgment of Milacron, qualified to perform the task for which it has been engaged. 

“Indirect Participant” means a Person who holds a beneficial interest in a Global Note through a Participant. 

“Initial Purchasers” means Merrill Lynch, Pierce, Fenner & Smith Incorporated, J.P. Morgan Securities LLC, Barclays
Capital Inc., Credit Suisse Securities (USA) LLC, RBC Capital Markets, LLC, KeyBanc Capital Markets Inc. and SG Americas Securities, LLC. 

  
 -16- 

 “Interest Payment Date” has the meaning set forth in paragraph 1 of each
Note. 
 “Investment Grade Rating” means a rating equal to or higher than Baa3 (or the equivalent) by Moody’s and BBB-
(or the equivalent) by S&P, or an equivalent rating by any other Rating Agency. 
 “Investment Grade Securities” means:

 (1) securities issued or directly and fully guaranteed or insured by the United States government or any agency or
instrumentality thereof (other than Cash Equivalents); 
 (2) debt securities or debt instruments with an Investment Grade
Rating, but excluding any debt securities or instruments constituting loans or advances among the Issuers and the Subsidiaries of the Issuers; 

(3) investments in any fund that invests exclusively in investments of the type described in clauses (1) and
(2) which fund may also hold immaterial amounts of cash pending investment or distribution; and 
 (4) corresponding
instruments in countries other than the United States customarily utilized for high quality investments. 
 “Investments”
means, with respect to any Person, all investments by such Person in other Persons (including Affiliates) in the form of loans (including guarantees thereof), advances or capital contributions (excluding accounts receivable, trade credit, advances
to customers, commission, travel and similar advances to directors, officers, employees, members of management and consultants, in each case made in the ordinary course of business), purchases or other acquisitions for consideration of Indebtedness,
Equity Interests or other securities issued by any other Person and investments that are required by GAAP to be classified on the balance sheet (excluding the footnotes) of such Person in the same manner as the other investments included in this
definition to the extent such transactions involve the transfer of cash or other property; it being understood that guarantees of obligations not constituting Indebtedness shall not be deemed an Investment. The amount of any Investment shall be
deemed to be the amount actually invested, without adjustment for subsequent increases or decreases in value or any write-downs or write-offs thereof, but giving effect to any repayments thereof in the form of loans and any return on capital or
return on Investment in the case of equity Investments (whether as a distribution, dividend, redemption or sale but not in excess of the amount of such Investment). For purposes of the definition of “Unrestricted Subsidiary” and
Section 4.07: 
 (1) “Investments” shall include the portion (proportionate to Milacron’s direct or
indirect equity interest in such Subsidiary) of the fair market value of the net assets of a Subsidiary of Milacron at the time that such Subsidiary is designated an Unrestricted Subsidiary; provided, however, that upon a redesignation
of such Subsidiary as a Restricted Subsidiary, Milacron or applicable Restricted Subsidiary shall be deemed to continue to have a permanent “Investment” in an Unrestricted Subsidiary in an amount (if positive) equal to: 

(a) Milacron’s direct or indirect “Investment” in such Subsidiary at the time of such redesignation; less

 (b) the portion (proportionate to Milacron’s direct or indirect equity interest in such Subsidiary) of the fair
market value of the net assets of such Subsidiary at the time of such redesignation; and 
 (2) any property transferred to
or from an Unrestricted Subsidiary shall be valued at its fair market value at the time of such transfer, in each case as determined in good faith by Milacron. 

“Investors” means CCMP Capital Advisors, LLC and their Affiliates but not including, however, any of its operating portfolio
companies. 

  
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 “ISIN” means the International Securities Identification Number. 

“Issue Date” means March 28, 2013. 

“Issue Date Unrestricted Subsidiary” means Milacron Plastics Machinery (Jiangyin) Co. Ltd. and any Subsidiary thereof. 

“Issuers” means Milacron and the Co-Issuer and not any of their respective Affiliates. 

“Legal Holiday” means a Saturday, a Sunday or a day on which commercial banking institutions are not required to be open in
the State of New York or place of payment. 
 “Lien” means, with respect to any asset, any mortgage, lien (statutory or
otherwise), pledge, hypothecation, charge, security interest, preference, priority or encumbrance of any kind in respect of such asset, in each case in the nature of security, whether or not filed, recorded or otherwise perfected under applicable
law, including any conditional sale or other title retention agreement, any lease in the nature thereof, any option or other agreement to give a security interest; provided that in no event shall an operating lease be deemed to constitute a
Lien. 
 “Milacron” means the party named as such in the preamble hereto or any successor obligor to its obligations under
this Indenture and the Notes pursuant to Article V. 
 “Mold-Masters Acquisition Transactions” means the transactions
contemplated by the Securities Purchase Agreement dated as of February 11, 2013, by and among Milacron LLC, Mold-Masters Luxembourg Holdings S.à r.l., the sellers named therein and the sellers’ representatives named therein, the
issuance of the Notes, the entry into and borrowings under the Term Loan Credit Agreement, the amendment and restatement of the ABL Credit Agreement and the repayment of existing indebtedness, to be consummated in connection with the foregoing on
the Issue Date. 
 “Moody’s” means Moody’s Investors Service, Inc. and any successor to its rating agency
business. 
 “Net Income” means, with respect to any Person, the net income (loss) of such Person and its Subsidiaries that
are Restricted Subsidiaries, determined in accordance with GAAP and before any reduction in respect of Preferred Stock dividends. 

“Net Proceeds” means the aggregate cash proceeds received by Milacron or any of its Restricted Subsidiaries in respect of any
Asset Sale, including any cash received upon the sale or other disposition of any Designated Non-cash Consideration received in any Asset Sale, net of the direct costs relating to such Asset Sale and the sale or disposition of such Designated
Non-cash Consideration, including legal, accounting and investment banking fees, and brokerage and sales commissions, any relocation expenses incurred as a result thereof, taxes paid or payable as a result thereof (after taking into account any
available tax credits or deductions and any tax sharing arrangements and including, in the case of any Foreign Subsidiary, any taxes payable upon the repatriation of such proceeds), amounts required to be applied to the repayment of principal,
premium, if any, and interest on Senior Indebtedness required (other than required by Section 4.10(I)(b)(i)) to be paid as a result of such transaction and any deduction of appropriate amounts to be provided by Milacron or any of its Restricted
Subsidiaries as a reserve in accordance with GAAP against any liabilities associated with the asset disposed of in such transaction and retained by Milacron or any of its Restricted Subsidiaries after such sale or other disposition thereof,
including pension and other post-employment benefit liabilities and liabilities related to environmental matters or against any indemnification obligations associated with such transaction. 

“Non-U.S. Person” means a Person who is not a U.S. person, as defined in Regulation S under the Securities Act. 

  
 -18- 

 “Notes” means the Initial Notes and any Note authenticated and delivered under
this Indenture. For all purposes of this Indenture, the term “Notes” shall also include any Additional Notes that may be issued under a supplemental indenture to this Indenture. For purposes of this Indenture, all references to Notes to be
issued or authenticated upon transfer, replacement, exchange or partial redemption shall be deemed to refer to Notes of the applicable series. 

“Obligations” means any principal (including any accretion), interest (including any interest and fees accruing subsequent to
the filing of a petition in bankruptcy, reorganization or similar proceeding at the rate provided for in the documentation with respect thereto, whether or not such interest or fees are an allowed claim under applicable state, federal or foreign
law), penalties, fees, indemnifications, reimbursements (including reimbursement obligations with respect to letters of credit and banker’s acceptances), damages and other liabilities, and guarantees of payment of such principal (including any
accretion), interest, penalties, fees, indemnifications, reimbursements, damages and other liabilities, payable under the documentation governing any Indebtedness. 

“Offering Memorandum” means the offering memorandum dated March 21, 2013 relating to the sale of the Initial Notes. 

“Officer” means the Chairman of the Board, the Chief Executive Officer, the President, any Executive Vice President, Senior
Vice President or Vice President, the Treasurer or the Secretary of the Issuers. 
 “Officer’s Certificate” means a
certificate signed on behalf of the Issuers by an Officer of the Issuers, who must be the principal executive officer, the principal financial officer, the treasurer, the principal accounting officer or similar position of the Issuers, that meets
the requirements set forth in this Indenture. 
 “Opinion of Counsel” means a written opinion from legal counsel who is
reasonably acceptable to the Trustee. The counsel may be an employee of or counsel to the Issuers or the Trustee. 
 “Parent
Guarantor” means Milacron Holdings Inc. or any future direct or indirect parent company that Guarantees the Notes. 

“Participant” means, with respect to the Depositary, Euroclear or Clearstream, a Person who has an account with the
Depositary, Euroclear or Clearstream, respectively (and, with respect to DTC, shall include Euroclear and Clearstream). 

“Permitted Asset Swap” means the concurrent purchase and sale or exchange of Related Business Assets or a combination of
Related Business Assets and cash or Cash Equivalents between Milacron or any of the Restricted Subsidiaries and another Person; provided that any cash or Cash Equivalents received must be applied in accordance with Section 4.10. 

“Permitted Holders” means (i) each of the Investors, (ii) members of management of Milacron or its direct or
indirect parent on the Issue Date and (iii) any group (within the meaning of Section 13(d)(3) or Section 14(d)(2) of the Exchange Act or any successor provision) of which any of the foregoing are members; provided that, in the case
of such group and without giving effect to the existence of such group or any other group, Persons specified in clauses (i) and (ii), collectively, have beneficial ownership of more than 50% of the total voting power of the Voting Stock of
Milacron or any of its direct or indirect parent companies held by such group. Any Person or group whose acquisition of beneficial ownership constitutes a Change of Control in respect of which a Change of Control Offer is made in accordance with the
requirements of this Indenture will thereafter, together with its Affiliates, constitute an additional Permitted Holder. 

“Permitted Investments” means: 

(1) any Investment in Milacron or any of the Restricted Subsidiaries; 

(2) any Investment in cash and Cash Equivalents or Investment Grade Securities; 

(3) any Investment by Milacron or any of the Restricted Subsidiaries in a Person (including in the Equity Interests of such
Person) if as a result of such Investment: 
 (a) such Person becomes a Restricted Subsidiary; or 

  
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 (b) such Person, in one transaction or a series of related transactions, is
merged, consolidated or amalgamated with or into, or transfers or conveys substantially all of its assets to, or is liquidated into, Milacron or a Restricted Subsidiary, 

and, in each case, any Investment held by such Person; provided that such Investment was not acquired by such Person in contemplation of
such acquisition, merger, consolidation, amalgamation or transfer; 
 (4) any Investment in securities or other assets not
constituting cash, Cash Equivalents or Investment Grade Securities and received in connection with an Asset Sale made pursuant to the provisions of Section 4.10 or any other disposition of assets not constituting an Asset Sale; 

(5) any Investment existing on the Issue Date or made pursuant to binding commitments in effect on the Issue Date or an
Investment consisting of any extension, modification or renewal of any Investment existing on the Issue Date; provided that the amount of any such Investment may be increased (x) as required by the terms of such Investment as in
existence on the Issue Date or (y) as otherwise permitted under this Indenture; 
 (6) any Investment acquired by
Milacron or any of the Restricted Subsidiaries: 
 (a) in exchange for any other Investment or accounts receivable held by
Milacron or any such Restricted Subsidiary in connection with or as a result of a bankruptcy workout, reorganization or recapitalization of the issuer of such other Investment or accounts receivable; 

(b) as a result of a foreclosure by Milacron or any of its Restricted Subsidiaries with respect to any secured Investment or
other transfer of title with respect to any secured Investment in default; 
 (c) as a result of the settlement, compromise
or resolution of litigation, arbitration or other disputes with Persons who are not Affiliates; or 
 (d) in settlement of
debts created in the ordinary course of business; 
 (7) Hedging Obligations permitted under Section 4.09(b)(ix);

 (8) any Investment in a Similar Business having an aggregate fair market value, taken together with all other Investments
made pursuant to this clause (8) that are at that time outstanding, not to exceed the greater of (x) $50.0 million and (y) 3.0% of Total Assets at the time of such Investment; provided, however, that if any Investment pursuant
to this clause (8) is made in any Person that is not a Restricted Subsidiary at the date of the making of such Investment and such Person becomes a Restricted Subsidiary after such date, such Investment shall thereafter be deemed to have been
made pursuant to clause (1) above and shall not be included as having been made pursuant to this clause (8); 
 (9)
Investments the payment for which consists of Equity Interests (exclusive of Disqualified Stock) of Milacron or any of its direct or indirect parent companies; provided, however, that such Equity Interests will not increase the amount
available for Restricted Payments under Section 4.07(b)(iii); 
 (10) Indebtedness and guarantees thereof permitted
under Section 4.09 and the creation of Liens on the assets of Milacron or any of the Restricted Subsidiaries permitted by Section 4.12; 

(11) Investments consisting of, or to finance, purchases and acquisitions of inventory, supplies, material, services or
equipment or purchases of contract rights or licenses or leases of intellectual property in the ordinary course of business; 

  
 -20- 

 (12) additional Investments having an aggregate fair market value, taken together
with all other Investments made pursuant to this clause (12) that are at that time outstanding (without giving effect to the sale of an Unrestricted Subsidiary to the extent the proceeds of such sale do not consist of cash or marketable
securities), not to exceed the greater of $50.0 million and 3.0% of Total Assets of Milacron and its Restricted Subsidiaries at the time of such Investment (with the fair market value of each Investment being measured at the time made and without
giving effect to subsequent changes in value); provided that if such Investment is in Capital Stock of a Person that subsequently becomes a Restricted Subsidiary, such Investment shall thereafter be deemed permitted under clause
(1) above and shall not be included as having been made pursuant to this clause (12); 
 (13) Investments in, or
relating to, a Receivables Subsidiary that, in the good faith determination of Milacron, are necessary or advisable to effect any Receivables Facility or any Investment in an entity which is not a Restricted Subsidiary to which a Restricted
Subsidiary sells accounts receivable in connection with a Receivables Facility; 
 (14) advances to, or guarantees of
Indebtedness of, directors, employees, members of management, officers and consultants not in excess of $4.0 million outstanding at any one time, in the aggregate; 

(15) loans and advances to officers, directors, employees, consultants and members of management for business-related travel
expenses, moving expenses and other similar expenses, in each case incurred in the ordinary course of business or consistent with past practices or to fund such Person’s purchase of Equity Interests of Milacron or any direct or indirect parent
company thereof; 
 (16) Investments in the ordinary course of business consisting of endorsements for collection or deposit;

 (17) receivables owing to Milacron or any Restricted Subsidiary, if created or acquired in the ordinary course of
business; 
 (18) pledges or deposits (x) with respect to leases or utilities provided to third parties in the ordinary
course of business or (y) otherwise described in the definition of “Permitted Liens” or made in connection with Liens permitted under Section 4.12; 

(19) the Notes and the related Guarantees; 

(20) Investments in joint ventures in an aggregate amount not to exceed the greater of (x) $50.0 million and (y) 3.0% of
Total Assets outstanding at any one time, in the aggregate; 
 (21) Investments consisting of earnest money deposits made in
connection with any letter of intent or purchase agreement or otherwise in connection with any escrow arrangements with respect to any acquisition; 

(22) loans and advances relating to indemnification or reimbursement of any officers, directors, employees, members of
management or consultants in respect of liabilities relating to their serving in any such capacity or as otherwise permitted under Section 4.11; and 

(23) any transaction to the extent it constitutes an Investment that is permitted and made in accordance with the provisions of
Section 4.11(b) (except transactions described in clauses (ii), (v), (ix) and (xviii) thereof). 
 “Permitted
Liens” means, with respect to any Person: 
 (1) pledges or deposits by such Person under workmen’s
compensation laws, unemployment insurance laws or similar legislation, health, disability or other employee benefits, or property, casualty or 

  
 -21- 

 
liability insurance, self-insurance or similar obligations, or good faith deposits in connection with bids, tenders, contracts (other than for the payment of Indebtedness) or leases to which such
Person is a party, or deposits to secure public or statutory obligations of such Person or deposits of cash or U.S. government bonds to secure surety or appeal bonds to which such Person is a party, or deposits as security for contested taxes or
import duties or for the payment of rent, in each case incurred in the ordinary course of business (including Liens to secured letters of credit to assure payment of such obligations); 

(2) Liens imposed by law, such as carriers’, warehousemen’s, materialmen’s, repairmen’s and mechanics’
Liens, in each case for sums not yet overdue for a period of more than 30 days or being contested in good faith by appropriate proceedings or other Liens arising out of judgments or awards against such Person with respect to which such Person shall
then be proceeding with an appeal or other proceedings for review if adequate reserves with respect thereto are maintained on the books of such Person in accordance with GAAP; 

(3) Liens for taxes, assessments or other governmental charges not yet overdue for a period of more than 30 days or subject to
penalties for nonpayment or which are being contested in good faith by appropriate proceedings diligently conducted, if adequate reserves with respect thereto are maintained on the books of such Person in accordance with GAAP; 

(4) Liens in favor of the issuer of stay, customs, appeal, performance and surety bonds or bid bonds or similar obligations
with respect to other regulatory requirements or letters of credit issued pursuant to the request of and for the account of such Person in the ordinary course of its business; 

(5) minor survey exceptions, minor encumbrances, easements or reservations of, or rights of others for, licenses, rights-of-way, sewers, electric lines, telegraph and telephone lines and other similar purposes, or zoning or other restrictions as to the use of real properties or Liens
incidental to the conduct of the business of such Person or to the ownership of its properties which were not incurred in connection with Indebtedness and which do not in the aggregate materially adversely affect the value of said properties or
materially impair their use in the operation of the business of such Person; 
 (6) Liens securing Indebtedness permitted to
be incurred pursuant to clause, (iv), (xi)(b), (xvii) or (xxii) of Section 4.09(b); provided that (a) Liens securing Indebtedness permitted to be incurred pursuant to clause (iv) are solely on the assets financed,
purchased, leased, constructed, repaired, replaced or improved, acquired or assets of the acquired entity, as the case may be; provided, further, that any individual equipment, purchase money or capitalized lease financings provided by one
lender may be cross collateralized to other equipment, purchase money or capitalized lease financings, which consist of Indebtedness incurred pursuant to clause (iv) and are provided by such lender or its Affiliate and (b) Liens securing
Indebtedness permitted to be incurred pursuant to such clauses (xvii) and (xxii) extend only to the assets of Foreign Subsidiaries; 

(7) Liens existing on the Issue Date (including Liens securing the Secured Notes) other than Liens securing the Credit
Facilities; 
 (8) Liens on assets, property or shares of stock of a Person at the time such Person becomes a Subsidiary;
provided, however, such Liens are not created or incurred in connection with, or in contemplation of, such other Person becoming such a Subsidiary; provided, further, however, that such Liens shall be limited to all or part of the same
assets or property (including after-acquired property to the extent it would have been subject to a Lien in respect of the arrangements under which such Liens arose) that secured the obligations to which the original Liens relate (plus improvements
on such property); 
 (9) Liens on assets or property at the time Milacron or a Restricted Subsidiary acquired the asset or
property, including any acquisition by means of a merger, amalgamation or consolidation with or into Milacron or any of the Restricted Subsidiaries; provided, however, that such Liens are not created or incurred in connection with, or in
contemplation of, such acquisition; provided, further, however, that the Liens shall be limited to all or part of the same assets or property (including after-acquired property to the extent it would have been subject to a Lien in respect of
the arrangements under which such Liens arose) that secured the obligations to which the original Lien relate (plus improvements on such property); 

  
 -22- 

 (10) Liens securing Indebtedness or other obligations of Milacron or a Restricted
Subsidiary owing to Milacron or a Guarantor permitted to be incurred in accordance with Section 4.09; 
 (11) Liens
securing Hedging Obligations permitted to be incurred under Section 4.09(b)(ix); 
 (12) Liens on specific items of
inventory of other goods and proceeds of any Person securing such Person’s obligations in respect of bankers’ acceptances issued or created for the account of such Person to facilitate the purchase, shipment or storage of such inventory or
other goods; 
 (13) leases, subleases, licenses or sublicenses granted to others in the ordinary course of business which do
not materially interfere with the ordinary conduct of the business of Milacron or any of the Restricted Subsidiaries and do not secure any indebtedness; 

(14) Liens arising from Uniform Commercial Code financing statement filings regarding operating leases entered into by Milacron
and its Restricted Subsidiaries in the ordinary course of business; 
 (15) Liens in favor of the Issuers or any Guarantor;

 (16) Liens on equipment of Milacron or any of the Restricted Subsidiaries granted in the ordinary course of business; 

(17) Liens on accounts receivable and related assets incurred in connection with a Receivables Facility; 

(18) Liens to secure any refinancing, refunding, extension, renewal or replacement (or successive refinancing, refunding,
extensions, renewals or replacements) as a whole, or in part, of any Indebtedness secured by any Lien referred to in the foregoing clauses (6), (7), (8), (9) and (10), this clause (18) and clause (35) below; provided, however,
that (a) such new Lien shall be limited to all or part of the same property (including after-acquired property to the extent it would have been subject to a Lien in respect of the Indebtedness being refinanced, refunded, extended, renewed or
replaced) that secured the original Lien (plus improvements on such property); provided, further, that any individual equipment, purchase money or capitalized lease financings provided by one lender may be cross-collateralized to other
equipment, purchase money or capitalized lease financings, which consist of Indebtedness incurred pursuant to this Indenture and are provided by such lender or its Affiliate; and (b) the Indebtedness secured by such Lien at such time is not
increased to any amount greater than the sum of (i) the outstanding principal amount or, if greater, committed amount of the Indebtedness described under clauses (6), (7), (8), (9) and (10), this clause (18) and clause (35) below
at the time the original Lien became a Permitted Lien under this Indenture, and (ii) an amount necessary to pay any fees and expenses, including premiums, related to such refinancing, refunding, extension, renewal or replacement; 

(19) deposits made in the ordinary course of business to secure liability to insurance carriers; 

(20) other Liens securing obligations, which obligations do not exceed the greater of (x) $50.0 million and
(y) 3.0% of Total Assets at any one time outstanding; 
 (21) Liens securing Indebtedness and other Obligations under
Credit Facilities that was incurred pursuant to Section 4.09(b)(i) and Hedging Obligations and Cash Management Obligations, in each case incurred with any Bank Lender (or its Affiliates); 

(22) Liens securing the Notes and the related Guarantees (but not any Additional Notes or Guarantees thereof); 

  
 -23- 

 (23) Liens securing judgments not constituting an Event of Default under
Section 6.01(e) so long as such Liens are adequately bonded and any appropriate legal proceedings that may have been duly initiated for the review of such judgment have not been finally terminated or the period within which such proceedings may
be initiated has not expired; 
 (24) Liens in favor of customs and revenue authorities arising as a matter of law to secure
payment of customs duties in connection with the importation of goods in the ordinary course of business; 
 (25) Liens
(i) of a collection bank arising under Section 4-210 of the Uniform Commercial Code on items in the course of collection, (ii) attaching to securities accounts, commodity trading accounts or other commodity brokerage accounts incurred
in the ordinary course of business, (iii) in favor of banking institutions arising as a matter of law encumbering deposits (including the right of set-off) and which are within the general parameters customary in the banking industry and
(iv) in respect of set-off or similar rights granted pursuant to a contract or other instrument; 
 (26) Liens deemed to
exist in connection with Investments in repurchase agreements permitted under Section 4.09; provided that such Liens do not extend to any assets other than those that are the subject of such repurchase agreement; 

(27) Liens encumbering reasonable customary initial deposits and margin deposits and similar Liens attaching to commodity
trading accounts or other brokerage accounts incurred in the ordinary course of business and not for speculative purposes; 

(28) Liens that are contractual rights of set-off (i) relating to the establishment of depository relations with banks not
given in connection with the issuance of Indebtedness, (ii) relating to pooled deposit or sweep accounts of Milacron or any of its Restricted Subsidiaries to permit satisfaction of overdraft or similar obligations incurred in the ordinary
course of business of Milacron and the Restricted Subsidiaries or (iii) relating to purchase orders and other agreements entered into with customers of Milacron or any of its Restricted Subsidiaries in the ordinary course of business; 

(29) Liens arising out of conditional sale, title retention, consignment or similar arrangements for the sale or purchase of
goods, including government furnished equipment, entered into by Milacron or any Restricted Subsidiary in the ordinary course of business; 

(30) Liens solely on any cash earnest money deposits made by Milacron or any of the Restricted Subsidiaries in connection with
any letter of intent or purchase agreement or otherwise in connection with any escrow arrangements with respect to any Investment or disposition in each case permitted under this Indenture; 

(31) Liens with respect to the assets of a Restricted Subsidiary that is not a Guarantor securing Indebtedness of such
Restricted Subsidiary incurred in accordance with Section 4.09; 
 (32) Liens on property or assets used to defease or
to satisfy and discharge Indebtedness, provided that such defeasance or satisfaction and discharge is not prohibited by this Indenture; 

(33) Liens on the Equity Interests of Unrestricted Subsidiaries and on the Equity Interests of joint ventures securing
obligations of such joint ventures; 
 (34) any encumbrance or restriction (including put and call agreements and rights of
first refusal) with respect to the Equity Interests of any joint ventures or similar arrangement pursuant to the joint venture or similar agreement with respect to such joint venture or similar arrangement; and 

(35) Liens securing any senior Indebtedness incurred pursuant to Section 4.09(a); provided, however, that, at the
time of incurrence of such senior Indebtedness under this clause (35) and after giving pro forma effect thereto, the Consolidated Secured Debt Ratio would be no greater than 4.0 to 1.0. 

  
 -24- 

 For purposes of this definition, the term “Indebtedness” shall be deemed to include
interest on and the costs in respect of such Indebtedness. 
 “Person” means any individual, corporation, limited liability
company, partnership, joint venture, association, joint stock company, trust, unincorporated organization, government or any agency or political subdivision thereof or any other entity. 

“Preferred Stock” means any Equity Interest with preferential rights of payment of dividends or upon liquidation,
dissolution, or winding up. 
 “Private Placement Legend” means the legend set forth in Section 2.06(f)(i) hereof to
be placed on all Notes issued under this Indenture except as otherwise permitted by the provisions of this Indenture. 
 “Pro Forma
Cost Savings” means, without duplication, with respect to any period and any pro forma event, the net reduction in costs and other operating improvements or synergies for which specified actions have been taken or are reasonably expected to
be taken within the four full consecutive fiscal quarters ending after the date of such pro forma event and that are reasonably identifiable and factually supportable, as if all such reductions in costs had been effected as of the beginning of such
period, net of the amount of actual benefits realized during such period from such actions; provided that such adjustments shall be set forth in an Officer’s Certificate stating (i) the amount of such adjustments and (ii) that
such adjustments are based on the good faith reasonable beliefs of the Officer executing such Officer’s Certificate at the time of such execution. 

“Purchase Agreement” means the Purchase Agreement dated as of March 21, 2013, among Milacron, the Co-Issuer, the
Guarantors party thereto, and Merrill Lynch, Pierce, Fenner & Smith Incorporated as representative of the Initial Purchasers regarding the sale of the Notes. 

“Purchase Money Obligations” means any Indebtedness incurred to finance or refinance the acquisition, leasing, construction
or improvement of property (real or personal) or assets (other than Capital Stock), and whether acquired through the direct acquisition of such property or assets, or otherwise. 

“QIB” means a “qualified institutional buyer” as defined in Rule 144A. 

“Qualified Proceeds” means assets that are used or useful in, or Capital Stock of any Person engaged in, a Similar Business;
provided that the fair market value of any such assets or Capital Stock shall be determined by Milacron in good faith. 

“Rating Agency” means Moody’s and S&P or if Moody’s or S&P or both shall not make a rating on the Notes
publicly available, a nationally recognized statistical rating agency or agencies, as the case may be, selected by the Issuers which shall be substituted for Moody’s or S&P or both, as the case may be. 

“Receivables Facility” means any of one or more receivables financing facilities as amended, supplemented, modified,
extended, renewed, restated or refunded from time to time, the Obligations of which are non-recourse (except for Standard Receivables Undertakings) to Milacron or any of the Restricted Subsidiaries (other than a Receivables Subsidiary) pursuant to
which Milacron or any of the Restricted Subsidiaries sells their accounts receivable to either (a) a Person that is not a Restricted Subsidiary or (b) a Receivables Subsidiary that in turn sells its accounts receivable to a Person that is
not a Restricted Subsidiary. 
 “Receivables Fees” means distributions or payments made directly or by means of discounts
with respect to any accounts receivable or participation interest therein issued or sold in connection with, and other fees paid to a Person that is not a Restricted Subsidiary in connection with, any Receivables Facility. 

“Receivables Subsidiary” means any Subsidiary formed for the purpose of, and that solely engages only in one or more
Receivables Facilities and other activities reasonably related thereto. 

  
 -25- 

 “Record Date” for the interest payable on any applicable Interest Payment Date
means with respect to the Notes, February 1 and August 1 (whether or not a Business Day) immediately preceding such Interest Payment Date. 

“Regulation S Global Note” means a Regulation S Temporary Global Note or Regulation S Permanent Global Note, as appropriate.

 “Regulation S Permanent Global Note” means a permanent Global Note in the form of Exhibit A hereto bearing the Global
Note Legend and the Private Placement Legend and deposited with or on behalf of and registered in the name of the Depositary or its nominee, issued in a denomination equal to the outstanding principal amount of the Regulation S Temporary Global Note
of the applicable series upon expiration of the Restricted Period. 
 “Regulation S Temporary Global Note” means a
temporary Global Note in the form of Exhibit A hereto bearing the Global Note Legend, the Private Placement Legend and the Regulation S Temporary Global Note Legend and deposited with or on behalf of and registered in the name of the Depositary or
its nominee, issued in a denomination equal to the outstanding principal amount of the Notes of the applicable series initially sold in reliance on Rule 903. 

“Regulation S Temporary Global Note Legend” means the legend set forth in Section 2.06(f)(ii) hereof. 

“Regulation S-X” means Regulation S-X promulgated under the Securities Act. 

“Related Business Assets” means assets (other than cash or Cash Equivalents) used or useful in a Similar Business, provided
that any assets received by Milacron or a Restricted Subsidiary in exchange for assets transferred by Milacron or a Restricted Subsidiary shall not be deemed to be Related Business Assets if they consist of securities of a Person, unless upon
receipt of the securities of such Person, such Person would become a Restricted Subsidiary. 
 “Related Person” means, with
respect to any specified Person, such Person’s Affiliates and the respective officers, directors, employees, agents, advisors and attorneys-in-fact of such Permitted Affiliates. 

“Responsible Officer” means, when used with respect to the Trustee, any officer within the corporate trust department of the
Trustee, including any vice president, assistant vice president, assistant secretary, assistant treasurer, trust officer or any other officer of the Trustee who customarily performs functions similar to those performed by the Persons who at the time
shall be such officers, respectively, or to whom any corporate trust matter is referred because of such Person’s knowledge of and familiarity with the particular subject and who shall have direct responsibility for the administration of this
Indenture. 
 “Restricted Definitive Note” means a Definitive Note bearing, or that is required to bear, the Private
Placement Legend. 
 “Restricted Global Note” means a Global Note bearing, or that is required to bear, the Private
Placement Legend. 
 “Restricted Investment” means an Investment other than a Permitted Investment. 

“Restricted Period” means the 40-day distribution compliance period as defined in Regulation S. 

“Restricted Subsidiary” means, at any time, each direct and indirect Subsidiary of Milacron (including any Foreign
Subsidiary) that is not then an Unrestricted Subsidiary; provided, however, that upon the occurrence of an Unrestricted Subsidiary ceasing to be an Unrestricted Subsidiary, such Subsidiary shall be included in the definition of
“Restricted Subsidiary.” 

  
 -26- 

 “Rule 144” means Rule 144 promulgated under the Securities Act. 

“Rule 144A” means Rule 144A promulgated under the Securities Act. 

“Rule 903” means Rule 903 promulgated under the Securities Act. 

“Rule 904” means Rule 904 promulgated under the Securities Act. 

“S&P” means Standard & Poor’s, a division of The McGraw-Hill Companies, Inc., and any successor to its
rating agency business. 
 “Sale and Lease-Back Transaction” means any arrangement providing for the leasing by Milacron or
any of the Restricted Subsidiaries of any real or tangible personal property, which property has been or is to be sold or transferred by Milacron or such Restricted Subsidiary to a third Person in contemplation of such leasing. 

“SEC” means the U.S. Securities and Exchange Commission. 

“Secured Indebtedness” means any Indebtedness of Milacron or any of the Restricted Subsidiaries secured by a Lien. 

“Secured Notes” means $275,000,000 of the Issuers’ 8 3⁄8% Senior Secured Notes due 2019 issued on April 30, 2012. 
 “Securities Act”
means the Securities Act of 1933, as amended, and the rules and regulations of the SEC promulgated thereunder. 
 “Senior
Indebtedness” means: 
 (1) all Indebtedness of Milacron or any Guarantor outstanding under the ABL Credit
Agreement, the Term Loan Credit Agreement, the Secured Notes or the Notes and related Guarantees (including interest accruing on or after the filing of any petition in bankruptcy, reorganization or similar proceeding of Milacron or any Guarantor (at
the rate provided for in the documentation with respect thereto, regardless of whether or not a claim for post-filing interest is allowed in such proceedings)), and any and all other penalties, fees, indemnifications, reimbursements (including
reimbursement obligations with respect to letters of credit and banker’s acceptances), damages and other liabilities (whether existing on the Issue Date or thereafter created or incurred) and all obligations of Milacron or any Guarantor to
reimburse any bank or other Person in respect of amounts paid under letters of credit, acceptances or other similar instruments; 

(2) all Hedging Obligations and Cash Management Obligations (and guarantees thereof) owing to a Lender (as defined in the ABL
Credit Agreement and the Term Loan Credit Agreement) or any Affiliate of such Lender (or any Person that was a Lender or an Affiliate of such Lender at the time the applicable agreement giving rise to such Hedging Obligation or Cash Management
Obligation was entered into), provided that such Hedging Obligations or Cash Management Obligations are permitted to be incurred under the terms of this Indenture; 

(3) any other Indebtedness of Milacron or any Guarantor permitted to be incurred under the terms of this Indenture, unless the
instrument under which such Indebtedness is incurred expressly provides that it is subordinated in right of payment to the Notes or any related Guarantee; and 

(4) all Obligations with respect to the items listed in the preceding clauses (1), (2) and (3); 

provided, however, that Senior Indebtedness shall not include: 

(a) any obligation of such Person to Milacron or any of its Subsidiaries; 

  
 -27- 

 (b) any liability for federal, state, local or other taxes owed or owing by such
Person; 
 (c) any accounts payable or other liability to trade creditors arising in the ordinary course of business; 

(d) any Indebtedness or other Obligation of such Person which is subordinate or junior in any respect to any other Indebtedness
or other Obligation of such Person; or 
 (e) that portion of any Indebtedness which at the time of incurrence is incurred in
violation of this Indenture. 
 “Significant Party” means any Guarantor or Restricted Subsidiary that would be a
“significant subsidiary” as defined in Article 1, Rule 1-02 of Regulation S-X, promulgated pursuant to the Securities Act, as such regulation is in effect on the Issue Date. 

“Similar Business” means any business conducted or proposed to be conducted by Milacron and the Subsidiaries on the Issue
Date or any business that is similar, reasonably related, incidental or ancillary thereto. 
 “Standard Receivables
Undertakings” means representations, warranties, covenants and indemnities entered into by Milacron or any Subsidiary of Milacron which Milacron has determined in good faith to be customary in a Receivables Facility, including, without
limitation, those relating to the servicing of the assets of a Receivables Subsidiary. 
 “Subordinated Indebtedness”
means: 
 (1) any Indebtedness of Milacron which is by its terms subordinated in right of payment to the Notes; and 

(2) any Indebtedness of any Guarantor which is by its terms subordinated in right of payment to the Guarantee of such entity of
the Notes. 
 “Subsidiary” means, with respect to any Person: 

(1) any corporation, association, or other business entity (other than a partnership, joint venture, limited liability company
or similar entity) of which more than 50% of the total voting power of shares of Capital Stock entitled (without regard to the occurrence of any contingency) to vote in the election of directors, managers or trustees thereof is at the time of
determination owned or controlled, directly or indirectly, by such Person or one or more of the other Subsidiaries of that Person or a combination thereof; and 

(2) any partnership, joint venture, limited liability company or similar entity of which (x) more than 50% of the capital
accounts, distribution rights, total equity and voting interests or general or limited partnership interests, as applicable, are owned or controlled, directly or indirectly, by such Person or one or more of the other Subsidiaries of that Person or a
combination thereof whether in the form of membership, general, special or limited partnership or otherwise, and (y) such Person or any Restricted Subsidiary of such Person is a controlling general partner or otherwise controls such entity.

 “Term Loan Credit Agreement” means the Credit Facility under the credit agreement dated March 28, 2013 by and among
Milacron Holdings Inc., Milacron LLC, the subsidiary guarantors party thereto, the lenders party thereto in their capacities as lenders thereunder, and JPMorgan Chase Bank, N.A., as Administrative Agent, including any guarantees, collateral
documents, instruments and agreements executed in connection therewith, and any amendments, restatements, amendments and restatements, supplements, waivers, modifications, extensions, renewals, replacements (whether or not upon termination, and
whether with the original lenders or otherwise), restructurings, repayments, restatements, refundings or refinancings thereof and any indentures or credit facilities or commercial paper facilities with banks or other institutional lenders or other
investors generally that amends, 

  
 -28- 

 
restates, amends and restates, supplements, waives, replaces (whether or not upon termination, and whether with the original lenders or otherwise), restructures, repays, refunds, refinances or
otherwise modifies from time to time any part of the loans, notes, other credit facilities or incremental facilities (or bridge loans or notes issued in lieu of such incremental facilities) or commitments thereunder, including any such replacement,
refunding, refinancing, incremental or bridge facility or indenture that increases the amount borrowable thereunder or alters the maturity thereof (provided that such increase in borrowings is permitted under Section 4.09 hereof). 

“Total Assets” means, with respect to a Person and its Restricted Subsidiaries, the total assets of such Person and its
Restricted Subsidiaries on a consolidated basis prepared in accordance with GAAP, shown on the most recent balance sheet of Milacron and the Restricted Subsidiaries as may be expressly stated. 

“Treasury Rate” means, as of any Redemption Date, the yield to maturity as of such Redemption Date of United States Treasury
securities with a constant maturity (as compiled and published in the most recent Federal Reserve Statistical Release H.15 (519) that has become publicly available at least two Business Days prior to the Redemption Date or, in the case of a
satisfaction, discharge or defeasance, at least two Business Days prior to the deposit of funds with the Trustee to pay and discharge the entire indebtedness of the Notes (or, if such Statistical Release is no longer published, any publicly
available source of similar market data)) most nearly equal to the period from the Redemption Date to February 15, 2016; provided, however, that if the period from the Redemption Date to February 15, 2016 is less than one year, the
weekly average yield on actually traded United States Treasury securities adjusted to a constant maturity of one year will be used. 

“Trust Indenture Act” or “TIA” means the Trust Indenture Act of 1939, as amended (15 U.S.C. §§
77aaa-77bbbb). 
 “Trustee” means U.S. Bank National Association, as trustee, until a successor replaces it in accordance
with Section 7.08 and thereafter means the successor serving hereunder. 
 “Uniform Commercial Code” or
“UCC” means the Uniform Commercial Code as in effect in the relevant jurisdiction from time to time. Unless otherwise specified, references to the Uniform Commercial Code herein refer to the New York Uniform Commercial Code. 

“Unrestricted Definitive Notes” means one or more Definitive Notes that do not and are not required to bear the Private
Placement Legend. 
 “Unrestricted Global Notes” means one or more Global Notes that do not and are not required to bear
the Private Placement Legend and are deposited with and registered in the name of the Depositary or its nominee. 
 “Unrestricted
Subsidiary” means (a) any Issue Date Unrestricted Subsidiary and (b): 
 (1) any Subsidiary of Milacron which
at the time of determination is an Unrestricted Subsidiary (as designated by Milacron, as provided below); and 
 (2) any
Subsidiary of an Unrestricted Subsidiary. 
 Milacron may designate any Subsidiary of Milacron (including any existing Subsidiary and any
newly acquired or newly formed Subsidiary) to be an Unrestricted Subsidiary unless such Subsidiary or any of its Subsidiaries owns any Equity Interests or Indebtedness of, or owns or holds any Lien on, any property of, Milacron or any Restricted
Subsidiary (other than solely any Subsidiary of the Subsidiary to be so designated); provided that: 
 (1) any
Unrestricted Subsidiary must be an entity of which the Equity Interests entitled to cast at least a majority of the votes that may be cast by all Equity Interests having ordinary voting power for the election of directors or Persons performing a
similar function are owned, directly or indirectly, by Milacron; 

  
 -29- 

 (2) such designation complies with Section 4.07; and 

(3) each of: 

(a) the Subsidiary to be so designated; and 

(b) its Subsidiaries has not, at the time of designation, incurred any Indebtedness pursuant to which the lender has recourse
to any of the assets of Milacron or any Restricted Subsidiary. 
 Milacron may designate any Unrestricted Subsidiary to be a Restricted
Subsidiary; provided that, immediately after giving effect to such designation, no Default shall have occurred and be continuing and either: 

(1) Milacron could incur at least $1.00 of additional Indebtedness pursuant to the Fixed Charge Coverage Ratio test described
in Section 4.09(a); or 
 (2) the Fixed Charge Coverage Ratio for Milacron and the Restricted Subsidiaries would be
equal to or greater than such ratio immediately prior to such designation, 
 in each case on a pro forma basis taking into account such designation. 

Any such designation by Milacron shall be notified by Milacron to the Trustee by promptly filing with the Trustee a copy of the Board
Resolution of Milacron or any committee thereof giving effect to such designation and an Officer’s Certificate certifying that such designation complied with the foregoing provisions. 

“U.S. Person” means a U.S. person as defined in Rule 902(k) under the Securities Act. 

“Voting Stock” of any Person as of any date means the Capital Stock of such Person that is at the time entitled to vote in
the election of the Board of Directors of such Person. 
 “Weighted Average Life to Maturity” means, when applied to any
Indebtedness, Disqualified Stock or Preferred Stock, as the case may be, at any date, the quotient obtained by dividing: 

(1) the sum of the products of the number of years from the date of determination to the date of each successive scheduled
principal payment of such Indebtedness or redemption or similar payment with respect to such Disqualified Stock or Preferred Stock multiplied by the amount of such payment; by 

(2) the sum of all such payments. 

“Wholly-Owned Subsidiary” of any Person means a Subsidiary of such Person, 100% of the outstanding Equity Interests of which
(other than directors’ qualifying shares) shall at the time be owned by such Person or by one or more Wholly-Owned Subsidiaries of such Person. 

Section 1.02. OTHER DEFINITIONS

  

			
	 Term
	  	Defined in
Section
	 “Acceptable Commitment”
	  	4.10(b)
	 “Action”
	  	11.09(w)
	 “Additional Assets”
	  	4.10(b)(2)
	 “Affiliate Transaction”
	  	4.11(a)
	 “Asset Sale Offer”
	  	4.10(I)(c)
	 “Authentication Order”
	  	2.02
	 “Change of Control Offer”
	  	4.14(a)
	 “Change of Control Payment”
	  	4.14(a)

  
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	 “Change of Control Payment Date”
		4.14(a)(ii)
	 “Covenant Defeasance”
		8.03
	 “DTC”
		2.03(b)
	 “Event of Default”
		6.01
	 “Excess Proceeds”
		4.10(I)(c)
	 “incur”
		4.09(a)
	 “Legal Defeasance”
		8.02
	 “Market Maker”
		4.03(b)(i)
	 “Note Register”
		2.03(a)
	 “notice of acceleration”
		6.02
	 “Offer Amount”
		3.09(b)
	 “Offer Period”
		3.09(b)
	 “Paying Agent”
		2.03(a)
	 “Prospective Investor”
		4.03(b)(i)
	 “Purchase Date”
		3.09(b)
	 “redeem”
		3.09(g)
	 “redemption”
		3.09(g)
	 “Redemption Date”
		Exhibit A
	 “Refinancing Indebtedness”
		4.09(b)(xii)
	 “Refunding Capital Stock”
		4.07(c)(ii)
	 “Registrar”
		2.03(a)
	 “Restricted Payments”
		4.07(b)
	 “Secured System”
		4.03(b)(i)
	 “Security Analyst”
		4.03(b)(i)
	 “Subject Lien”
		4.12(a)
	 “Successor”
		5.01(a)(i)
	 “Successor Company”
		5.01(b)(i)
	 “Successor Person”
		5.01(c)(i)
	 “Tax Group”
		4.07(c)(xiv)(2)
	 “Treasury Capital Stock”
		4.07(c)(ii)

 Section 1.03. INCORPORATION BY REFERENCE
OF TRUST INDENTURE ACT 
 (a) Whenever
this Indenture expressly refers to a provision of the Trust Indenture Act, such provision is incorporated by reference in and made a part of this Indenture. No other provisions of the Trust Indenture Act shall be deemed to be incorporated by
reference herein. 
 (b) The following Trust Indenture Act term used in this Indenture has the following meanings: 

“obligor” on the Notes means the Issuers and any successor obligor upon the Notes. 

(c) All other terms used in this Indenture that are defined by the Trust Indenture Act, defined by Trust Indenture Act reference to another
statute or defined by SEC rule under the Trust Indenture Act and not otherwise defined herein have the meanings so assigned to them either in the Trust Indenture Act, by another statute or SEC rule, as applicable. 

Section 1.04. RULES OF
CONSTRUCTION 
 Unless the context otherwise requires: 

(a) a term has the meaning assigned to it; 

(b) an accounting term not otherwise defined has the meaning assigned to it in accordance with GAAP; 

  
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 (c) “or” is not exclusive; 

(d) “including” means including without limitation; 

(e) words in the singular include the plural, and in the plural include the singular; 

(f) “will” shall be interpreted to express a command; 

(g) provisions apply to successive events and transactions; 

(h) references to sections of, or rules under, the Securities Act shall be deemed to include substitute, replacement or
successor sections or rules adopted by the SEC from time to time; 
 (i) unless the context otherwise requires, any reference
to an “Article,” “Section” or “clause” refers to an Article, Section or clause, as the case may be, of this Indenture; and 

(j) the words “herein,” “hereof” and “hereunder” and other words of similar import refer to this
Indenture as a whole and not any particular Article, Section, clause or other subdivision. 
 Section 1.05.
ACTS OF HOLDERS 
 (a) Any request, demand,
authorization, direction, notice, consent, waiver or other action provided by this Indenture to be given or taken by Holders may be embodied in and evidenced by one or more instruments of substantially similar tenor signed by such Holders in person
or by an agent duly appointed in writing. Except as herein otherwise expressly provided, such action shall become effective when such instrument or instruments or record or both are delivered to the Trustee and, where it is hereby expressly
required, to the Issuers. Proof of execution of any such instrument or of a writing appointing any such agent, or the holding by any Person of a Note, shall be sufficient for any purpose of this Indenture and (subject to Section 7.01)
conclusive in favor of the Trustee and the Issuers, if made in the manner provided in this Section 1.05. 
 (b) The fact and date of
the execution by any Person of any such instrument or writing may be proved by the affidavit of a witness of such execution or by the certificate of any notary public or other officer authorized by law to take acknowledgments of deeds, certifying
that the individual signing such instrument or writing acknowledged to him the execution thereof. Where such execution is by or on behalf of any legal entity other than an individual, such certificate or affidavit shall also constitute proof of the
authority of the Person executing the same. The fact and date of the execution of any such instrument or writing, or the authority of the Person executing the same, may also be proved in any other manner that the Trustee deems sufficient, but the
Trustee shall not be obligated to undertake to obtain proof of the execution or authority set forth in Section 1.05(b). 
 (c) The
ownership of Notes shall be proved by the Note Register. 
 (d) Any request, demand, authorization, direction, notice, consent, waiver or
other action by the Holder of any Note shall bind every future Holder of the same Note and the Holder of every Note issued upon the registration of transfer thereof or in exchange therefor or in lieu thereof, in respect of any action taken, suffered
or omitted by the Trustee or the Issuers in reliance thereon, whether or not notation of such action is made upon such Note. 
 (e) The
Issuers may, at their option in the circumstances permitted by the Trust Indenture Act, set a record date for purposes of determining the identity of Holders entitled to give any request, demand, authorization, direction, notice, consent, waiver or
take any other act, or to vote or consent to any action by vote or consent authorized or permitted to be given or taken by Holders, but the Issuers shall have no obligation to do so. 

(f) Without limiting the foregoing, a Holder entitled to take any action hereunder with regard to any particular Note may do so with regard to
all or any part of the principal amount of such Note or by one or more duly appointed agents, each of which may do so pursuant to such appointment with regard to all or any part of 

  
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such principal amount. Any notice given or action taken by a Holder or its agents with regard to different parts of such principal amount pursuant to this paragraph shall have the same effect as
if given or taken by separate Holders of each such different part. 
 (g) Without limiting the generality of the foregoing, a Holder,
including the Depositary, may make, give or take, by a proxy or proxies duly appointed in writing, any request, demand, authorization, direction, notice, consent, waiver or other action provided in this Indenture to be made, given or taken by
Holders, and the Depositary may provide its proxy to the beneficial owners of interests in any such Global Note through such depositary’s standing instructions and customary practices. 

(h) The Issuers may fix a record date for the purpose of determining the Persons who are beneficial owners of interests in any Global Note
held by DTC entitled under the procedures of such depositary to make, give or take, by a proxy or proxies duly appointed in writing, any request, demand, authorization, direction, notice, consent, waiver or other action provided in this Indenture to
be made, given or taken by Holders. If such a record date is fixed, the Holders on such record date or their duly appointed proxy or proxies, and only such Persons, shall be entitled to make, give or take such request, demand, authorization,
direction, notice, consent, waiver or other action, whether or not such Holders remain Holders after such record date. No such request, demand, authorization, direction, notice, consent, waiver or other action shall be valid or effective if made,
given or taken more than 90 days after such record date. 
 ARTICLE II 

THE NOTES 

Section 2.01. FORM AND DATING;
TERMS 
 (a) General. The Notes and the Trustee’s
certificate of authentication shall be substantially in the form of Exhibit A hereto. The Notes may have notations, legends or endorsements required by law, stock exchange rules or usage. Each Note shall be dated the date of its authentication. The
Notes shall be in minimum denominations of $2,000 and integral multiples of $1,000 in excess thereof. 
 (b) Global
Notes. Notes issued in global form shall be substantially in the form of Exhibit A hereto (including the Global Note Legend thereon and the “Schedule of Exchanges of Interests in the Global Note” attached thereto). Notes
issued in definitive form shall be substantially in the form of Exhibit A hereto (but without the Global Note Legend thereon and without the “Schedule of Exchanges of Interests in the Global Note” attached thereto). Each Global Note shall
represent such of the outstanding Notes as shall be specified in the “Schedule of Exchanges of Interests in the Global Note” attached thereto and each shall provide that it shall represent up to the aggregate principal amount of Notes from
time to time endorsed thereon and that the aggregate principal amount of outstanding Notes represented thereby may from time to time be reduced or increased, as applicable, to reflect exchanges and redemptions of such Global Note. Any endorsement of
a Global Note to reflect the amount of any increase or decrease in the aggregate principal amount of outstanding Notes represented thereby shall be made by the Trustee or the Custodian, at the direction of the Trustee, in accordance with
instructions given by the Holder thereof as required by Section 2.06 hereof. 
 (c) Temporary Global Notes.
Notes offered and sold in reliance on Regulation S shall be issued initially in the form of the Regulation S Temporary Global Note, which shall be deposited on behalf of the purchasers of the Notes represented thereby with the Custodian and
registered in the name of the Depositary or the nominee of the Depositary for the accounts of designated agents holding on behalf of Euroclear or Clearstream, duly executed by the Issuers and authenticated by the Trustee as hereinafter provided. The
Restricted Period may be terminated prior to the 40th day of such period upon the receipt by the Trustee of: 
 (i) a written
certificate from the Depositary, together with copies of certificates from Euroclear and Clearstream certifying that they have received certification of non-United States beneficial ownership of 100% of the aggregate principal amount of each
Regulation S Temporary Global Note (except to the extent of any beneficial owners thereof who acquired an interest therein during the Restricted Period pursuant to another exemption from registration under the Securities Act and who shall take
delivery of a beneficial ownership interest in a 144A Global Note bearing a Private Placement Legend, all as contemplated by Section 2.06(b) hereof); and 

  
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 (ii) an Officer’s Certificate from the Issuers. 

Within a reasonable period after expiration or termination of the Restricted Period, beneficial interests in each Regulation S Temporary
Global Note shall be exchanged for beneficial interests in a Regulation S Permanent Global Note of the same series upon delivery to DTC of the certification of compliance and the transfer applicable Notes pursuant to the Applicable Procedures.
Simultaneously with the authentication of the corresponding Regulation S Permanent Global Note, the Trustee shall cancel the corresponding Regulation S Temporary Global Note. The aggregate principal amount of a Regulation S Temporary Global Note and
a Regulation S Permanent Global Note may from time to time be increased or decreased by adjustments made on the records of the Trustee and the Depositary or its nominee, as the case may be, in connection with transfers of interest as hereinafter
provided. 
 (d) Terms. The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture
is unlimited. 
 The terms and provisions contained in the Notes shall constitute, and are hereby expressly made, a part of this Indenture
and the Issuers, the Guarantors and the Trustee, by their execution and delivery of this Indenture, expressly agree to such terms and provisions and to be bound thereby. However, to the extent any provision of any Note conflicts with the express
provisions of this Indenture, the provisions of this Indenture shall govern and be controlling. 
 The Notes shall be subject to repurchase
by the Issuers pursuant to an Asset Sale Offer as provided in Section 4.10 hereof or a Change of Control Offer as provided in Section 4.14 hereof. The Notes shall not be redeemable, other than as provided in Article III hereof. 

(e) Issuance of Additional Notes. Subject to compliance with Sections 4.09 and 4.12 of this Indenture, the Issuers shall be
entitled to issue Additional Notes under this Indenture which shall have identical terms as the Initial Notes issued on the date hereof, other than with respect to the date of issuance and issue price. The Initial Notes issued on the date hereof and
any Additional Notes shall be treated as a single class for all purposes under this Indenture, including directions, waivers, amendments, consents, redemptions and offers to purchase. 

With respect to any Additional Notes, the Issuers shall set forth in a Board Resolution and an Officer’s Certificate, a copy of each of
which shall be delivered to the Trustee, the following information: 
 (i) the aggregate principal amount of such Additional
Notes to be authenticated and delivered pursuant to this Indenture; 
 (ii) the issue price, the issue date and the CUSIP
and/or ISIN number of such Additional Notes; and 
 (iii) whether such Additional Notes shall be subject to the restrictions
on transfer set forth in Section 2.06 hereof relating to Restricted Global Notes and Restricted Definitive Notes. 

Section 2.02. EXECUTION AND
AUTHENTICATION 
 At least one Officer of each of the Issuers shall execute the
Notes on behalf of each of the Issuers by manual signature or facsimile. If an Officer of the Issuers whose signature is on a Note no longer holds that office at the time the Trustee authenticates the Note, the Note shall nevertheless be valid. 

A Note shall not be entitled to any benefit under this Indenture or be valid or obligatory for any purpose until authenticated substantially
in the form of Exhibit A attached hereto, as the case may be, by the manual signature of the Trustee. The signature shall be conclusive evidence that the Note has been duly authenticated and delivered under this Indenture. 

  
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 On the Issue Date, the Trustee shall, upon receipt of an order from the Issuers, duly signed by
an Officer of each of the Issuers (an “Authentication Order”), authenticate and deliver the Initial Notes. In addition, at any time, from time to time, the Trustee shall, upon receipt of an Authentication Order, authenticate and
deliver any Additional Notes for an aggregate principal amount specified in such Authentication Order for such Additional Notes issued hereunder. 

The Trustee may appoint an authenticating agent reasonably acceptable to the Issuers to authenticate Notes. An authenticating agent may
authenticate Notes whenever the Trustee may do so. Each reference in this Indenture to authentication by the Trustee includes authentication by such agent. An authenticating agent has the same rights as an Agent to deal with Holders or an Affiliate
of the Issuers. 
 Section 2.03. REGISTRAR AND PAYING
AGENT 
 (a) The Issuers shall maintain (i) an office or agency
where Notes may be presented for registration of transfer or for exchange (“Registrar”) and (ii) an office or agency where Notes may be presented for payment (“Paying Agent”). The Registrar shall keep a
register of the Notes (“Note Register”) reflecting the ownership of the Notes outstanding from time to time and of their transfer. The Registrar shall also facilitate the transfer of the Notes on behalf of the Issuers in accordance
with Section 2.06 hereof. The Issuers may appoint one or more co-registrars and one or more additional paying agents. The term “Registrar” includes any co-registrar, and the term “Paying Agent” includes any additional paying
agents. The Issuers initially appoint the Trustee as Paying Agent. The Issuers may change any Paying Agent or Registrar without prior notice to any Holder. The Issuers shall notify the Trustee in writing of the name and address of any Agent not a
party to this Indenture. If the Issuers fail to appoint or maintain another entity as Registrar or Paying Agent, the Trustee shall, to the extent that it is capable, act as such. Milacron or any Restricted Subsidiary may act as Paying Agent or
Registrar. 
 (b) The Issuers initially appoint The Depository Trust Company (“DTC”) to act as Depositary with respect to
the Global Notes representing the Notes. 
 (c) The Issuers initially appoint the Trustee to act as the Registrar for the Notes and to act as
Custodian with respect to the Global Notes and the Trustee agrees to initially so act. 
 Section 2.04.
PAYING AGENT TO HOLD MONEY IN TRUST 

The Issuers shall require each Paying Agent other than the Trustee to agree in writing that the Paying Agent shall hold in trust for the
benefit of Holders or the Trustee all money held by the Paying Agent for the payment of principal, premium, if any, or interest on the Notes, and will notify the Trustee in writing of any default by the Issuers in making any such payment. While any
such default continues, the Trustee may require a Paying Agent to pay all money held by it to the Trustee. The Issuers at any time may require a Paying Agent to pay all money held by it to the Trustee. Upon payment over to the Trustee, the Paying
Agent (if other than an Issuer or a Subsidiary) shall have no further liability for such funds. If Milacron or a Restricted Subsidiary acts as Paying Agent, it shall segregate and hold in a separate trust fund for the benefit of the Holders all
funds held by it as Paying Agent. Upon any Event of Default pursuant to Section 6.01(f) or (g), the Trustee shall serve as Paying Agent for the Notes. 

Section 2.05. HOLDER LISTS

 The Trustee shall preserve in as current a form as is reasonably practicable the most recent list available to it of the names and
addresses of all Holders and shall otherwise comply with Trust Indenture Act Section 312(a). If the Trustee is not the Registrar, the Issuers shall furnish to the Trustee at least five Business Days before each Interest Payment Date and at such
other times as the Trustee may request in writing, a list in such form and as of such date as the Trustee may reasonably require of the names and addresses of the Holders and the Issuers shall otherwise comply with Trust Indenture Act
Section 312(a). 

  
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 Section 2.06. TRANSFER AND
EXCHANGE 
 (a) Transfer and Exchange of Global Notes.
Except as otherwise set forth in this Section 2.06, a Global Note may be transferred, in whole and not in part, only to another nominee of the Depositary or to a successor thereto or a nominee of such successor thereto. A beneficial interest in a
Global Note may not be exchanged for a Definitive Note of the same series unless (A) the Depositary (x) notifies the Issuers that it is unwilling or unable to continue as Depositary for such Global Note or (y) has ceased to be a
clearing agency registered under the Exchange Act, and, in either case, a successor Depositary is not appointed by the Issuers within 120 days or (B) there shall have occurred and be continuing an Event of Default with respect to the Notes and
the Depositary requests such exchange. Upon the occurrence of any of the preceding events in (A) or (B) above, Definitive Notes delivered in exchange for any Global Note of the same series or beneficial interests therein will be registered
in the names, and issued in any approved denominations, requested by or on behalf of the Depositary (in accordance with its customary procedures). Global Notes also may be exchanged or replaced, in whole or in part, as provided in Sections 2.07 and
2.10 hereof. Every Note authenticated and delivered in exchange for, or in lieu of, a Global Note of the same series or any portion thereof, pursuant to this Section 2.06 or Sections 2.07 or 2.10 hereof, shall be authenticated and delivered in
the form of, and shall be, a Global Note, except for Definitive Notes issued subsequent to any of the preceding events in (A) or (B) above and pursuant to Section 2.06(c) hereof. A Global Note may not be exchanged for another Note
other than as provided in this Section 2.06(a); and beneficial interests in a Global Note may not be transferred and exchanged other than as provided in Section 2.06(b) or (c) hereof. 

(b) Transfer and Exchange of Beneficial Interests in the Global Notes. The transfer and exchange of beneficial interests in the
Global Notes shall be effected through the Depositary in accordance with the provisions of this Indenture and the Applicable Procedures. Beneficial interests in the Restricted Global Notes shall be subject to restrictions on transfer comparable to
those set forth herein to the extent required by the Securities Act. Transfers of beneficial interests in the Global Notes also shall require compliance with either subparagraph (i) or (ii) below, as applicable, as well as one or more of
the other following subparagraphs, as applicable: 
 (i) Transfer of Beneficial Interests in the Same Global Note.
Beneficial interests in any Restricted Global Note may be transferred to Persons who take delivery thereof in the form of a beneficial interest in the same Restricted Global Note in accordance with the transfer restrictions set forth in the Private
Placement Legend; provided, that prior to the expiration of the Restricted Period, transfers of beneficial interests in the Regulation S Temporary Global Note may not be made to a U.S. Person or for the account or benefit of a U.S. Person
other than to a “distributor” (as defined in Rule 902(d) of Regulation S) and other than pursuant to Rule 144A. No written orders or instructions shall be required to be delivered to the Registrar to effect the transfers described in this
Section 2.06(b)(i). 
 (ii) All Other Transfers and Exchanges of Beneficial Interests in Global Notes. In
connection with all transfers and exchanges of beneficial interests that are not subject to Section 2.06(b)(i) hereof, the transferor of such beneficial interest must deliver to the Registrar either (A) (1) a written order from a
Participant or an Indirect Participant given to the Depositary in accordance with the Applicable Procedures directing the Depositary to credit or cause to be credited a beneficial interest in another Global Note in an amount equal to the beneficial
interest to be transferred or exchanged and (2) instructions given in accordance with the Applicable Procedures containing information regarding the Participant account to be credited with such increase or (B) (1) a written order from
a Participant or an Indirect Participant given to the Depositary in accordance with the Applicable Procedures directing the Depositary to cause to be issued a Definitive Note of the same series in an amount equal to the beneficial interest to be
transferred or exchanged and (2) instructions given by the Depositary to the Registrar containing information regarding the Person in whose name such Definitive Note shall be registered to effect the transfer or exchange referred to in (B)(1)
above; provided that in no event shall Definitive Notes be issued upon the transfer or exchange of beneficial interests in a Regulation S Temporary Global Note prior to (A) the expiration of the Restricted Period and (B) the receipt
by the Registrar of any certificates required pursuant to Rule 903(b)(3)(ii)(B). Upon satisfaction of all of the requirements for transfer or exchange of beneficial interests in Global Notes contained in this Indenture and the Notes or otherwise
applicable under the Securities Act, the Trustee shall adjust the principal amount of the relevant Global Note(s) pursuant to Section 2.06(g) hereof. 

  
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 (iii) Transfer of Beneficial Interests in a Restricted Global Note to Another
Restricted Global Note. A beneficial interest in any Global Note may be transferred to a Person who takes delivery thereof in the form of a beneficial interest in another Restricted Global Note if the transfer complies with the requirements of
Section 2.06(b)(ii) hereof and the Registrar receives the following: 
 (1) if the transferee will take delivery in the
form of a beneficial interest in a 144A Global Note, then the transferor must deliver a certificate in the form of Exhibit B hereto, including the certifications in item (1) thereof or, if permitted by the Applicable Procedures, item
(3) thereof; or 
 (2) if the transferee will take delivery in the form of a beneficial interest in a Regulation S
Global Note, then the transferor must deliver a certificate in the form of Exhibit B hereto, including the certifications in item (2) thereof. 

(iv) Transfer or Exchange of Beneficial Interests in a Restricted Global Note for Beneficial Interests in an Unrestricted
Global Note. A Holder of a beneficial interest in a Restricted Global Note may exchange such beneficial interest for a beneficial interest in an Unrestricted Global Note or may transfer such beneficial interest to a Person who takes delivery
thereof in the form of a beneficial interest in an Unrestricted Global Note only if the exchange or transfer complies with the requirements of Section 2.06(b)(ii) above and the Registrar receives the following: 

(1) if the Holder of such beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest for a
beneficial interest in an Unrestricted Global Note, a certificate from such Holder in the form of Exhibit C hereto, including the certifications in item (1)(a) thereof; or 

(2) if the Holder of such beneficial interest in a Restricted Global Note proposes to transfer such beneficial interest to a
Person who shall take delivery thereof in the form of a beneficial interest in an Unrestricted Global Note, a certificate from such Holder in the form of Exhibit B hereto, including the certifications in item (4) thereof; 

and, in each such case, if the Issuers so request or if the Applicable Procedures so require, an opinion of counsel in form reasonably
acceptable to the Issuers to the effect that such exchange or transfer complies with the Securities Act and that the restrictions on transfer contained herein and in the Private Placement Legend are no longer required in order to maintain compliance
with the Securities Act. 
 If any such transfer is effected at a time when an Unrestricted Global Note has not yet been
issued, the Issuers shall execute and, upon receipt of an Authentication Order in accordance with Section 2.02 hereof, the Trustee shall authenticate one or more Unrestricted Global Notes in an aggregate principal amount equal to the aggregate
principal amount of beneficial interests transferred. 
 (v) Transfer or Exchange of Beneficial Interests in an
Unrestricted Global Note for Beneficial Interests in a Restricted Global Note Prohibited. Beneficial interests in an Unrestricted Global Note may not be exchanged for, or transferred to Persons who take delivery thereof in the form of,
beneficial interests in a Restricted Global Note. 
 (c) Transfer or Exchange of Beneficial Interests in Global Notes for Definitive
Notes. 
 (i) Beneficial Interests in Restricted Global Notes to Restricted Definitive Notes. If any holder of a
beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest for a Restricted Definitive Note or to transfer such beneficial interest to a Person who takes delivery thereof in the form of a Restricted Definitive
Note, then, upon the occurrence of any of the events in subsection (A) of Section 2.06(a) hereof and receipt by the Registrar of the following documentation: 

(1) if the holder of such beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest for a
Restricted Definitive Note, a certificate from such holder substantially in the form of Exhibit C hereto, including the certifications in item (2)(a) thereof; 

  
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 (2) if such beneficial interest is being transferred to a QIB in accordance with
Rule 144A, a certificate substantially in the form of Exhibit B hereto, including the certifications in item (1) thereof; 

(3) if such beneficial interest is being transferred to a Non-U.S. Person in an offshore transaction in accordance with Rule
903 or Rule 904, a certificate substantially in the form of Exhibit B hereto, including the certifications in item (2) thereof; 

(4) if such beneficial interest is being transferred pursuant to an exemption from the registration requirements of the
Securities Act in accordance with Rule 144, a certificate substantially in the form of Exhibit B hereto, including the certifications in item (3)(a) thereof; 

(5) if such beneficial interest is being transferred to an Issuer or any of the Restricted Subsidiaries, a certificate
substantially in the form of Exhibit B hereto, including the certifications in item (3)(b) thereof; or 
 (6) if such
beneficial interest is being transferred pursuant to an effective registration statement under the Securities Act, a certificate substantially in the form of Exhibit B hereto, including the certifications in item (3)(c) thereof, 

the Trustee shall cause the aggregate principal amount of the applicable Global Note to be reduced accordingly pursuant to Section 2.06(g) hereof, and
the Issuers shall execute and the Trustee upon receipt of an Authentication Order shall authenticate and mail to the Person designated by the Holder of such beneficial interest in the instructions delivered to the Registrar by the Depositary and the
applicable Participant or Indirect Participant on behalf of such Holder a Restricted Definitive Note in the applicable principal amount. Any Restricted Definitive Note issued in exchange for a beneficial interest in a Global Note pursuant to this
Section 2.06(c)(i) shall be registered in such name or names and in such authorized denomination or denominations as the holder of such beneficial interest shall designate in such instructions. The Trustee shall mail (or otherwise deliver in
accordance with applicable DTC procedures) such Restricted Definitive Notes to the Persons in whose names such Notes are so registered. Any Restricted Definitive Note issued in exchange for a beneficial interest in a Restricted Global Note pursuant
to this Section 2.06(c)(i) shall bear the Private Placement Legend and shall be subject to all restrictions on transfer contained therein. 

(ii) Beneficial Interests in Regulation S Temporary Global Note to Definitive Notes. Notwithstanding Sections 2.06(c)(i)(1) and
(3) hereof, a beneficial interest in the Regulation S Temporary Global Note may not be exchanged for a Definitive Note or transferred to a Person who takes delivery thereof in the form of a Definitive Note prior to (A) the expiration of
the Restricted Period and (B) the receipt by the Registrar of any certificates required pursuant to Rule 903(b)(3)(ii)(B) of the Securities Act, except in the case of a transfer pursuant to an exemption from the registration requirements of the
Securities Act other than Rule 903 or Rule 904. 
 (iii) Beneficial Interests in Restricted Global Notes to Unrestricted Definitive
Notes. Subject to Section 2.06(a) hereof, a Holder of a beneficial interest in a Restricted Global Note may exchange such beneficial interest for an Unrestricted Definitive Note or may transfer such beneficial interest to a Person who takes
delivery thereof in the form of an Unrestricted Definitive Note only if the Registrar receives the following: 
 (1) if the
Holder of such beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest for an Unrestricted Definitive Note, a certificate from such Holder in the form of Exhibit C hereto, including the certifications in item
(1)(b) thereof; or 
 (2) if the Holder of such beneficial interest in a Restricted Global Note proposes to transfer
such beneficial interest to a Person who shall take delivery thereof in the form of an Unrestricted Definitive Note, a certificate from such Holder in the form of Exhibit B hereto, including the certifications in item (4) thereof; 

  
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 and, in each such case, if the Issuers so request or if the Applicable Procedures so require, an opinion of
counsel in form reasonably acceptable to the Issuers to the effect that such exchange or transfer complies with the Securities Act and that the restrictions on transfer contained herein and in the Private Placement Legend are no longer required in
order to maintain compliance with the Securities Act. 
 Upon satisfaction of any of the conditions of any of the clauses of this
Section 2.06(c)(iii), the Issuers shall execute and, upon receipt of an Authentication Order in accordance with Section 2.02 hereof, the Trustee shall authenticate and deliver an Unrestricted Definitive Note in the appropriate principal
amount to the Person designated by the Holder of such beneficial interest in instructions delivered to the Registrar by the Depositary and the applicable Participant or Indirect Participant on behalf of such Holder, and the Trustee shall reduce or
cause to be reduced in a corresponding amount pursuant to Section 2.06(g), the aggregate principal amount of the applicable Restricted Global Note. Any Unrestricted Definitive Note issued in exchange for a beneficial interest pursuant to this
Section 2.06(c)(iii) shall not bear the Private Placement Legend. 
 (iv) Beneficial Interests in Unrestricted Global Notes to
Unrestricted Definitive Notes. Subject to Section 2.06(a) hereof, if any Holder of a beneficial interest in an Unrestricted Global Note proposes to exchange such beneficial interest for an Unrestricted Definitive Note or to transfer such
beneficial interest to a Person who takes delivery thereof in the form of an Unrestricted Definitive Note, then, upon satisfaction of the applicable conditions set forth in Section 2.06(b)(ii) hereof, the Trustee shall reduce or cause to be
reduced in a corresponding amount pursuant to Section 2.06(g) hereof, the aggregate principal amount of the applicable Unrestricted Global Note, and the Issuers shall execute, and, upon receipt of an Authentication Order in accordance with
Section 2.02 hereof, the Trustee shall authenticate and deliver an Unrestricted Definitive Note in the appropriate principal amount to the Person designated by the Holder of such beneficial interest in instructions delivered to the Registrar by
the Depositary and the applicable Participant or Indirect Participant on behalf of such Holder. Any Unrestricted Definitive Note issued in exchange for a beneficial interest pursuant to this Section 2.06(c)(iv) shall be registered in such name or
names and in such authorized denomination or denominations as the Holder of such beneficial interest shall designate in such instructions. The Trustee shall deliver such Unrestricted Definitive Notes to the Persons in whose names such Notes are so
registered. Any Unrestricted Definitive Note issued in exchange for a beneficial interest pursuant to this Section 2.06(c)(iv) shall not bear the Private Placement Legend. 

(d) Transfer and Exchange of Definitive Notes for Beneficial Interests in the Global Notes. 

(i) Restricted Definitive Notes to Beneficial Interest in Restricted Global Notes. If any Holder of a Restricted Definitive Note
proposes to exchange such Note for a beneficial interest in a Restricted Global Note or to transfer such Restricted Definitive Note to a Person who takes delivery thereof in the form of a beneficial interest in a Restricted Global Note, then, upon
receipt by the Registrar of the following documentation: 
 (1) if the Holder of such Definitive Note proposes to exchange
such Note for a beneficial interest in a Global Note, a certificate from such Holder substantially in the form of Exhibit C hereto, including the certifications in item (2)(b) thereof; 

(2) if such Definitive Note is being transferred to a QIB in accordance with Rule 144A, a certificate substantially in the form
of Exhibit B hereto, including the certifications in item (1) thereof; 
 (3) if such Definitive Note is being
transferred to a Non-U.S. Person in an offshore transaction in accordance with Rule 903 or Rule 904, a certificate substantially in the form of Exhibit B hereto, including the certifications in item (2) thereof; 

  
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 (4) if such Definitive Note is being transferred pursuant to an exemption from
the registration requirements of the Securities Act in accordance with Rule 144, a certificate substantially in the form of Exhibit B hereto, including the certifications in item (3)(a) thereof; or 

(5) if such Definitive Note is being transferred to an Issuer or any of the Restricted Subsidiaries, a certificate
substantially in the form of Exhibit B hereto, including the certifications in item (3)(b) thereof, 
 the Trustee shall cancel the Restricted
Definitive Note, increase or cause to be increased in a corresponding amount pursuant to Section 2.06(g) hereof the aggregate principal amount of, in the case of clause (i) above, the applicable Restricted Global Note, in the case of
clause (2) above, the applicable 144A Global Note, and in the case of clause (3) above, the applicable Regulation S Global Note. 

(ii) Restricted Definitive Notes to Beneficial Interests in Unrestricted Global Notes. A Holder of a Restricted Definitive Note may
exchange such Restricted Definitive Note for a beneficial interest in an Unrestricted Global Note or transfer such Restricted Definitive Note to a Person who takes delivery thereof in the form of a beneficial interest in an Unrestricted Global Note
only if the Registrar receives the following: 
 (1) if the Holder of such Restricted Definitive Note proposes to exchange
such Restricted Definitive Note for a beneficial interest in an Unrestricted Global Note, a certificate from such Holder in the form of Exhibit C hereto, including the certifications in item (1)(c) thereof; or 

(2) if the Holder of such Restricted Definitive Note proposes to transfer such Restricted Definitive Note to a Person who shall
take delivery thereof in the form of a beneficial interest in an Unrestricted Global Note, a certificate from such Holder in the form of Exhibit B hereto, including the certifications in item (4) thereof; 

and, in each such case, if the Issuers so request or if the Applicable Procedures so require, an opinion of counsel in form reasonably acceptable to the
Issuers to the effect that such exchange or transfer shall be effected in compliance with the Securities Act and that the restrictions on transfer contained herein and in the Private Placement Legend shall no longer be required in order to maintain
compliance with the Securities Act. 
 Upon satisfaction of the conditions of any of the clauses in this Section 2.06(d)(ii), the
Trustee shall cancel such Restricted Definitive Note and increase or cause to be increased in a corresponding amount pursuant to Section 2.06(g) hereof, the aggregate principal amount of the Unrestricted Global Note. 

(iii) Unrestricted Definitive Notes to Beneficial Interests in Unrestricted Global Notes. A Holder of an Unrestricted Definitive Note
may exchange such Unrestricted Definitive Note for a beneficial interest in an Unrestricted Global Note or transfer such Unrestricted Definitive Note to a Person who takes delivery thereof in the form of a beneficial interest in an Unrestricted
Global Note at any time. Upon receipt of a request for such an exchange or transfer, the Trustee shall cancel the applicable Unrestricted Definitive Note and increase or cause to be increased in a corresponding amount pursuant to
Section 2.06(g) hereof the aggregate principal amount of one of the Unrestricted Global Notes. 
 (iv) Unrestricted Definitive Notes
to Beneficial Interests in Restricted Global Notes Prohibited. An Unrestricted Definitive Note may not be exchanged for, or transferred to Persons who take delivery thereof in the form of, beneficial interests in a Restricted Global Note. 

(v) Issuance of Unrestricted Global Notes. If any such exchange or transfer of a Definitive Note for a beneficial interest in an
Unrestricted Global Note is effected pursuant to clause (ii) or (iii) at a time when an Unrestricted Global Note has not yet been issued, the Issuers shall issue and, upon receipt of an Authentication Order in accordance with
Section 2.02 hereof, the Trustee shall authenticate one or more Unrestricted Global Notes in an aggregate principal amount equal to the principal amount of Definitive Notes so transferred. 

  
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 (e) Transfer and Exchange of Definitive Notes for Definitive Notes. Upon request by
a Holder of Definitive Notes and such Holder’s compliance with the provisions of this Section 2.06(e), the Registrar shall register the transfer or exchange of Definitive Notes. Prior to such registration of transfer or exchange, the
requesting Holder shall present or surrender to the Registrar the Definitive Notes duly endorsed or accompanied by a written instruction of transfer in form satisfactory to the Registrar duly executed by such Holder. In addition, the requesting
Holder shall provide any additional certifications, documents and information, as applicable, required pursuant to the following provisions of this Section 2.06(e): 

(i) Restricted Definitive Notes to Restricted Definitive Notes. Any Restricted Definitive Note may be transferred to and
registered in the name of Persons who take delivery thereof in the form of a Restricted Definitive Note if the Registrar receives the following: 

(1) if the transfer will be made pursuant to a QIB in accordance with Rule 144A, then the transferor must deliver a certificate
substantially in the form of Exhibit B hereto, including the certifications in item (1) thereof; 
 (2) if the transfer
will be made pursuant to Rule 903 or Rule 904 then the transferor must deliver a certificate in the form of Exhibit B hereto, including the certifications in item (2) thereof; or 

(3) if the transfer will be made pursuant to any other exemption from the registration requirements of the Securities Act, then
the transferor must deliver a certificate in the form of Exhibit B hereto, including the certifications required by item (3) thereof, if applicable. 

(ii) Transfer or Exchange of Restricted Definitive Notes to Unrestricted Definitive Notes. Any Restricted Definitive
Note may be exchanged by the Holder thereof for an Unrestricted Definitive Note or transferred to a Person or Persons who take delivery thereof in the form of an Unrestricted Definitive Note only if the Registrar receives the following: 

(1) if the Holder of such Restricted Definitive Note proposes to exchange such Restricted Definitive Notes for an Unrestricted
Definitive Note, a certificate from such Holder in the form of Exhibit C hereto, including the certifications in item (1)(d) thereof; or 

(2) if the Holder of such Restricted Definitive Notes proposes to transfer such Restricted Definitive Notes to a Person who
shall take delivery thereof in the form of an Unrestricted Definitive Note, a certificate from such Holder in the form of Exhibit B hereto, including the certifications in item (4) thereof; 

and, in each such case, if the Issuers so request, an opinion of counsel in form reasonably acceptable to the Issuers to the effect that such
exchange or transfer complies with the Securities Act and that the restrictions on transfer contained herein and in the Private Placement Legend are no longer required in order to maintain compliance with the Securities Act. 

Upon satisfaction of the conditions of any of the clauses of this Section 2.06(e)(ii), the Trustee shall cancel the prior
Restricted Definitive Note and the Issuers shall execute, and upon receipt of an Authentication Order in accordance with Section 2.02 hereof, the Trustee shall authenticate and deliver an Unrestricted Definitive Note in the appropriate
aggregate principal amount to the Person designated by the Holder of such prior Restricted Definitive Note in instructions delivered to the Registrar by such Holder. 

(iii) Transfer of Unrestricted Definitive Notes to Unrestricted Definitive Notes. A Holder of Unrestricted Definitive
Notes may transfer such Unrestricted Definitive Notes to a Person who takes delivery thereof in the form of an Unrestricted Definitive Note. Upon receipt of a request to register such a transfer, the Registrar shall register the Unrestricted
Definitive Notes pursuant to the instructions from the Holder thereof. 

  
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 (f) Legends. The following legends shall appear on the face of all Global Notes and
Definitive Notes issued under this Indenture unless specifically stated otherwise in the applicable provisions of this Indenture: 
 (i)
Private Placement Legend. 
 (1) Except as permitted by clause (B) below, each Global Note and each Definitive
Note (and all Notes issued in exchange therefor or substitution thereof) shall bear the legend in substantially the following form: 

“THE SECURITY (OR ITS PREDECESSOR) EVIDENCED HEREBY WAS ORIGINALLY ISSUED IN A TRANSACTION EXEMPT FROM REGISTRATION UNDER
SECTION 5 OF THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND THE SECURITY EVIDENCED HEREBY MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED IN THE ABSENCE OF SUCH REGISTRATION OR AN APPLICABLE EXEMPTION
THEREFROM. EACH PURCHASER OF THE SECURITY EVIDENCED HEREBY IS HEREBY NOTIFIED THAT THE SELLER MAY BE RELYING ON THE EXEMPTION FROM THE PROVISIONS OF SECTION 5 OF THE SECURITIES ACT PROVIDED BY RULE 144A THEREUNDER. THE HOLDER OF THE SECURITY
EVIDENCED HEREBY AGREES FOR THE BENEFIT OF THE COMPANY THAT (A) SUCH SECURITY MAY BE RESOLD, PLEDGED OR OTHERWISE TRANSFERRED, ONLY (1)(a) INSIDE THE UNITED STATES TO A PERSON WHO THE SELLER REASONABLY BELIEVES IS A QUALIFIED INSTITUTIONAL
BUYER (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT) PURCHASING FOR ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QUALIFIED INSTITUTIONAL BUYER IN A TRANSACTION MEETING THE REQUIREMENTS OF RULE 144A UNDER THE SECURITIES ACT, (b) OUTSIDE THE
UNITED STATES TO A FOREIGN PERSON IN A TRANSACTION MEETING THE REQUIREMENTS OF RULE 903 OR RULE 904 OF REGULATION S UNDER THE SECURITIES ACT, (c) PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT PROVIDED BY RULE 144
THEREUNDER (IF APPLICABLE) OR (d) IN ACCORDANCE WITH ANOTHER EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT (AND BASED UPON AN OPINION OF COUNSEL ACCEPTABLE TO THE COMPANY IF THE COMPANY SO REQUESTS), (2) TO THE COMPANY
OR (3) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT AND, IN EACH CASE, IN ACCORDANCE WITH ANY APPLICABLE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES OR ANY OTHER APPLICABLE JURISDICTION AND (B) THE HOLDER WILL, AND EACH SUBSEQUENT
HOLDER IS REQUIRED TO, NOTIFY ANY PURCHASER OF THE SECURITY EVIDENCED HEREBY OF THE RESALE RESTRICTIONS SET FORTH IN CLAUSE (A) ABOVE. NO REPRESENTATION CAN BE MADE AS TO THE AVAILABILITY OF THE EXEMPTION PROVIDED BY RULE 144 FOR RESALE OF THE
SECURITY EVIDENCED HEREBY.” 
 Notwithstanding the foregoing, any Global Note or Definitive Note issued pursuant to
clauses (b)(iv), (c)(iii), (c)(iv), (d)(ii), (d)(iii), (d)(v), (e)(ii) or (e)(iii) to this Section 2.06 (and all Notes issued in exchange therefor or substitution thereof) shall not bear the Private Placement Legend. 

(2) Global Note Legend. Each Global Note shall bear a legend in substantially the following form (with appropriate changes in the last
sentence if DTC is not the Depositary): 
 THIS GLOBAL NOTE IS HELD BY THE DEPOSITARY (AS DEFINED IN THE INDENTURE GOVERNING THIS NOTE) OR
ITS NOMINEE IN CUSTODY FOR THE BENEFIT OF THE BENEFICIAL OWNERS HEREOF, AND IS NOT TRANSFERABLE TO ANY PERSON UNDER ANY CIRCUMSTANCES EXCEPT THAT (I) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 2.06(g) OF
THE INDENTURE, (II) THIS GLOBAL NOTE MAY BE EXCHANGED IN 

  
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WHOLE BUT NOT IN PART PURSUANT TO SECTION 2.06(a) OF THE INDENTURE, (III) THIS GLOBAL NOTE MAY BE DELIVERED TO THE TRUSTEE FOR CANCELLATION PURSUANT TO SECTION 2.11 OF THE INDENTURE AND (IV) THIS
GLOBAL NOTE MAY BE TRANSFERRED TO A SUCCESSOR DEPOSITARY WITH THE PRIOR WRITTEN CONSENT OF THE ISSUERS. UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN DEFINITIVE FORM, THIS NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE
DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY. UNLESS
THIS NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW YORK, NEW YORK) (“DTC”) TO THE ISSUERS OR THEIR AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY NOTE ISSUED IS
REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE &CO. OR SUCH OTHER ENTITY AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC),
ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 

(ii) Regulation S Temporary Global Note Legend. The Regulation S Temporary Global Note shall bear a legend in
substantially the following form: 
 “THIS NOTE HAS NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS
AMENDED (THE “SECURITIES ACT”), OR UNDER THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION, AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT AS SET
FORTH BELOW. EACH PURCHASER OF THIS NOTE IS HEREBY NOTIFIED THAT THE SELLER OF THIS NOTE MAY BE RELYING ON THE EXEMPTION FROM THE PROVISIONS OF SECTION 5 OF THE SECURITIES ACT PROVIDED BY RULE 144A THEREUNDER OR ANOTHER EXEMPTION UNDER THE
SECURITIES ACT. 
 BY ITS ACCEPTANCE HEREOF, THE HOLDER OF THIS NOTE AGREES THAT IT WILL NOT WITHIN 40 DAYS AFTER THE LATER
OF THE DATE OF THE ORIGINAL ISSUANCE OF THIS NOTE AND THE DATE ON WHICH EITHER OF THE ISSUERS OR ANY OF THEIR RESPECTIVE AFFILIATES OWNED THIS NOTE, OFFER, RESELL OR OTHERWISE TRANSFER THIS NOTE EXCEPT (A) (I) TO EITHER OF THE ISSUERS OR
ANY SUBSIDIARY THEREOF, (II) FOR SO LONG AS THIS NOTE IS ELIGIBLE FOR RESALE PURSUANT TO RULE 144A UNDER THE SECURITIES ACT, INSIDE THE UNITED STATES TO A PERSON WHOM THE SELLER REASONABLY BELIEVES IS A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE
WITH RULE 144A UNDER THE SECURITIES ACT, (III) OUTSIDE THE UNITED STATES IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH REGULATION S UNDER THE SECURITIES ACT, (IV) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES
ACT (IF AVAILABLE), (V) IN ACCORDANCE WITH ANOTHER EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT (AND BASED UPON AN OPINION OF COUNSEL IF THE ISSUERS SO REQUEST), OR (VI) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT
UNDER THE SECURITIES ACT AND (B) IN ACCORDANCE WITH ALL APPLICABLE SECURITIES LAWS OF THE STATES OF THE UNITED STATES AND OTHER JURISDICTIONS. BY ITS ACCEPTANCE HEREOF, THE HOLDER OF THIS NOTE FURTHER AGREES THAT IT WILL GIVE TO EACH PERSON TO
WHOM THIS NOTE IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. IN CONNECTION WITH ANY TRANSFER OF THIS NOTE PURSUANT TO SUBCLAUSES 

  
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(III) TO (V) OF CLAUSE (A) ABOVE, THE HOLDER MUST, PRIOR TO SUCH TRANSFER, FURNISH TO THE TRUSTEE AND THE ISSUERS SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS ANY OF THEM
MAY REASONABLY REQUIRE TO CONFIRM THAT SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. AS USED HEREIN, THE TERMS “OFFSHORE TRANSACTION,”
“UNITED STATES” AND “U.S. PERSON” HAVE THE MEANINGS GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT.” 
 (g)
Cancellation and/or Adjustment of Global Notes. At such time as all beneficial interests in a particular Global Note have been exchanged for Definitive Notes or a particular Global Note has been redeemed,
repurchased or canceled in whole and not in part, each such Global Note shall be returned to or retained and canceled by the Trustee in accordance with Section 2.11 hereof. At any time prior to such cancellation, if any beneficial interest in a
Global Note is exchanged for or transferred to a Person who will take delivery thereof in the form of a beneficial interest in another Global Note or for Definitive Notes, the aggregate principal amount of Notes represented by such Global Note shall
be reduced accordingly and an endorsement shall be made on such Global Note by the Trustee or by the Depositary at the direction of the Trustee to reflect such reduction; and if the beneficial interest is being exchanged for or transferred to a
Person who will take delivery thereof in the form of a beneficial interest in another Global Note, such other Global Note shall be increased accordingly and an endorsement shall be made on such Global Note by the Trustee or by the Depositary at the
direction of the Trustee to reflect such increase. 
 (h) [RESERVED]. 

(i) General Provisions Relating to Transfers and Exchanges. 

(i) To permit registrations of transfers and exchanges, the Issuers shall execute and the Trustee shall authenticate Global Notes and
Definitive Notes upon receipt of an Authentication Order in accordance with Section 2.02 hereof or at the Registrar’s request. 

(ii) No service charge shall be made to a holder of a beneficial interest in a Global Note or to a Holder of a Definitive Note for any
registration of transfer or exchange, but the Issuers may require payment of a sum sufficient to cover any transfer tax or similar governmental charge payable in connection therewith (other than any such transfer taxes or similar governmental charge
payable upon exchange or transfer pursuant to Sections 2.07, 2.10, 3.06, 3.09, 4.10, 4.14 and 9.05 hereof). 
 (iii) All Global Notes and
Definitive Notes issued upon any registration of transfer or exchange of Global Notes or Definitive Notes shall be the valid obligations of the Issuers, evidencing the same debt, and entitled to the same benefits under this Indenture, as the Global
Notes or Definitive Notes surrendered upon such registration of transfer or exchange. 
 (iv) Neither the Registrar nor the Issuers shall
not be required (A) to issue, to register the transfer of or to exchange any Notes during a period beginning at the opening of business 15 days before the day of any selection of Notes for redemption under Section 3.02 hereof and ending at
the close of business on the day of selection, (B) to register the transfer of or to exchange any Note so selected for redemption in whole or in part, except the unredeemed portion of any Note being redeemed in part or (C) to register the
transfer of or to exchange a Note between a Record Date with respect to such Note and the next succeeding Interest Payment Date with respect to such Note. 

(v) Prior to due presentment for the registration of a transfer of any Note, the Trustee, any Agent and the Issuers may deem and treat the
Person in whose name any Note is registered as the absolute owner of such Note for the purpose of receiving payment of principal of (and premium, if any) and interest on such Notes and for all other purposes, and none of the Trustee, any Agent or
the Issuers shall be affected by notice to the contrary. 

  
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 (vi) Upon surrender for registration of transfer of any Note at the office or agency of the
Issuers designated pursuant to Section 4.02 hereof, the Issuers shall execute, and the Trustee shall authenticate and deliver, in the name of the designated transferee or transferees, one or more replacement Notes of any authorized denomination
or denominations of a like aggregate principal amount. 
 (vii) At the option of the Holder, Notes may be exchanged for other Notes of any
authorized denomination or denominations of a like aggregate principal amount upon surrender of the Notes to be exchanged at such office or agency. Whenever any Global Notes or Definitive Notes are so surrendered for exchange, the Issuers shall
execute, and the Trustee shall authenticate and deliver, the replacement Global Notes and Definitive Notes which the Holder making the exchange is entitled to in accordance with the provisions of Section 2.02 hereof. 

(viii) All certifications, certificates and Opinions of Counsel required to be submitted pursuant to this Section 2.06 to effect a
registration of transfer or exchange may be submitted by facsimile. 
 (ix) The Trustee shall have no obligation or duty to monitor,
determine or inquire as to compliance with any restrictions on transfer imposed under this Indenture or under applicable law with respect to any transfer of any interest in any Note (including any transfers between or among Depositary Participants
or beneficial owners of interest in any Global Note) other than to require delivery of such certificates and other documentation or evidence as are expressly required by, and to do so if and when expressly required by the terms of, this Indenture,
and to examine the same to determine substantial compliance as to form with the express requirements hereof. 
 Section 2.07.
REPLACEMENT NOTES 
 If any
mutilated Note is surrendered to the Trustee, the Registrar or either Issuer and the Trustee receives evidence to its satisfaction of the ownership and destruction, loss or theft of any Note, the Issuers shall issue and the Trustee, upon receipt of
an Authentication Order, shall authenticate a replacement Note if the Trustee’s requirements are met. If required by the Trustee or the Issuers, an indemnity bond must be supplied by the Holder that is sufficient in the judgment of (i) the
Trustee to protect the Trustee and (ii) the Issuers to protect the Issuers, the Trustee, any Agent and any authenticating agent from any loss that any of them may suffer if a Note is replaced. The Issuers and the Trustee may charge the Holder
for their expenses in replacing a Note. 
 Every replacement Note issued in accordance with the Section 2.07 is a contractual
obligation of the Issuers and shall be entitled to all of the benefits of this Indenture equally and proportionately with all other Notes duly issued hereunder. 

Section 2.08. OUTSTANDING NOTES

 The Notes outstanding at any time are all the Notes authenticated by the Trustee except for those canceled by it, those delivered to
it for cancellation, those reductions in the interest in a Global Note effected by the Trustee in accordance with the provisions hereof and those described in this Section 2.08 as not outstanding. Except as set forth in Section 2.09
hereof, a Note does not cease to be outstanding because an Issuer, a Guarantor or an Affiliate of an Issuer or a Guarantor holds the Note. 

If a Note is replaced pursuant to Section 2.07 hereof, it ceases to be outstanding unless the Trustee receives proof satisfactory to it
that the replaced Note is held by a protected purchaser (as defined in Section 8-303 of the Uniform Commercial Code). 
 If the
principal amount of any Note is considered paid under Section 4.01 hereof, it ceases to be outstanding and interest on it ceases to accrue. 

If the Paying Agent (other than an Issuer, a Subsidiary of Milacron, a Guarantor, or an Affiliate of any thereof) holds, on a Redemption Date
or maturity date, money sufficient to pay Notes (or portions thereof) payable on that date, then on and after that date such Notes (or portions thereof) shall be deemed to be no longer outstanding and shall cease to accrue interest. 

  
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 Section 2.09. TREASURY
NOTES 
 In determining whether the Holders of the required principal amount of
Notes have concurred in any direction, waiver or consent, Notes owned by an Issuer, a Guarantor or by any Affiliate of an Issuer or a Guarantor, shall be considered as though not outstanding, except that for the purposes of determining whether the
Trustee shall be protected in relying on any such direction, waiver or consent, only Notes that a Responsible Officer of the Trustee knows are so owned shall be so disregarded. Notes so owned which have been pledged in good faith shall not be
disregarded if the pledgee establishes to the Trustee the pledgee’s right to deliver any such direction, waiver or consent with respect to the Notes and that the pledgee is not an Issuer, a Guarantor or any obligor upon the Notes or any
Affiliate of an Issuer, a Guarantor or of such other obligor. 
 Section 2.10. TEMPORARY
NOTES 
 Until certificates representing Notes are ready for delivery, the Issuers
may prepare and the Trustee, upon receipt of an Authentication Order, shall authenticate temporary Notes. Temporary Notes shall be substantially in the form of Definitive Notes but may have variations that the Issuers consider appropriate for
temporary Notes. Without unreasonable delay, the Issuers shall prepare and the Trustee shall authenticate Definitive Notes in exchange for temporary Notes. 

Holders and beneficial holders, as the case may be, of temporary Notes shall be entitled to all of the benefits accorded to Holders, or
beneficial holders, respectively, of Notes under this Indenture. 
 Section 2.11.
CANCELLATION 
 The Issuers at any time may deliver Notes to the Trustee
for cancellation. The Registrar and Paying Agent shall forward to the Trustee any Notes surrendered to them for registration of transfer, exchange or payment. The Trustee or, at the direction of the Trustee, the Registrar or the Paying Agent and no
one else shall cancel all Notes surrendered for registration of transfer, exchange, payment, replacement or cancellation and shall destroy cancelled Notes (subject to the record retention requirement of the Exchange Act and the Trustee).
Certification of the cancellation of all cancelled Notes shall be delivered to the Issuers upon written request. The Issuers may not issue new Notes to replace Notes that they have paid or that have been delivered to the Trustee for cancellation.

 Section 2.12. DEFAULTED INTEREST 

If the Issuers default in a payment of interest on the Notes, they shall pay the defaulted interest in any lawful manner plus, to the extent
lawful, interest payable on the defaulted interest, in each case at the rate provided in the Notes and in Section 4.01 hereof. The Issuers may pay the defaulted interest to the Persons who are Holders on a subsequent special record date. The
Issuers shall notify the Trustee in writing of the amount of defaulted interest proposed to be paid on each Note and the date of the proposed payment, and at the same time the Issuers shall deposit with the Trustee an amount of money equal to the
aggregate amount proposed to be paid in respect of such defaulted interest or shall make arrangements for such deposit prior to the date of the proposed payment, such money when deposited to be held in trust for the benefit of the Persons entitled
to such defaulted interest as provided in this Section 2.12. The Issuers shall fix or cause to be fixed any such special record date and payment date; provided that no such special record date shall be less than 10 days prior to the
related payment date for such defaulted interest. At least 15 days before any such special record date, the Issuers (or, upon the written request of the Issuers, the Trustee in the name and at the expense of the Issuers) shall mail or cause to be
mailed, first-class postage prepaid (or otherwise deliver in accordance with applicable DTC procedures), to each Holder, with a copy to the Trustee, a notice at his or her address as it appears in the Note Register that states the special record
date, the related payment date and the amount of such interest to be paid. 
 Subject to the foregoing provisions of this Section 2.12
and for greater certainty, each Note delivered under this Indenture upon registration of transfer of or in exchange for or in lieu of any other Note shall carry the rights to interest accrued and unpaid, and to accrue, which were carried by such
other Note. 

  
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 Section 2.13. CUSIP/ISIN
NUMBERS 
 The Issuers in issuing the Notes may use
CUSIP and ISIN numbers (in each case, if then generally in use) and, if so, the Trustee shall use CUSIP and ISIN numbers in notices of redemption as a convenience to Holders; provided that any such notice may state that no representation is
made as to the correctness of such numbers either as printed on the Notes or as contained in any notice of redemption and that reliance may be placed only on the other identification numbers printed on the Notes, and any such redemption shall not be
affected by any defect in or omission of such numbers. The Issuers will as promptly as practicable notify the Trustee in writing of any change in the CUSIP and ISIN numbers. 

Section 2.14. CALCULATION
OF PRINCIPAL AMOUNT OF
SECURITIES 
 The aggregate principal amount of the Notes, at any date
of determination, shall be the principal amount of the Notes at such date of determination. With respect to any matter requiring consent, waiver, approval or other action of the Holders of a specified percentage of the principal amount of all the
Notes, such percentage shall be calculated, on the relevant date of determination, by dividing (a) the principal amount, as of such date of determination, of Notes, the Holders of which have so consented by (b) the aggregate principal
amount, as of such date of determination, of the Notes then outstanding, in each case, as determined in accordance with the preceding sentence, Section 2.08 and Section 2.09 of this Indenture. Any such calculation made pursuant to this
Section 2.14 shall be made by the Issuers and delivered to the Trustee pursuant to an Officer’s Certificate. 
 ARTICLE III

 REDEMPTION AND PREPAYMENT 

Section 3.01. NOTICES TO
TRUSTEE 
 If the Issuers elect to redeem the Notes pursuant
to Section 3.07 hereof, they shall furnish to the Trustee, at least two Business Days (or such shorter period as allowed by the Trustee) before notice of redemption is required to be mailed or caused to be mailed to Holders pursuant to
Section 3.03 hereof but not more than 60 days before a Redemption Date, an Officer’s Certificate of the Issuers setting forth (i) the paragraph or subparagraph of such Note and/or Section of this Indenture pursuant to which the
redemption shall occur, (ii) the Redemption Date, (iii) the principal amount of the Notes to be redeemed and (iv) the redemption price. 

Section 3.02. SELECTION OF NOTES TO BE REDEEMED 

If less than all of the Notes are to be redeemed at any time (subject to applicable procedures of DTC), the Trustee shall select the Notes to
be redeemed (a) if the Notes are listed on any national securities exchange (and such listing is known by a Responsible Officer of the Trustee), in compliance with the requirements of the principal national securities exchange on which the
Notes are listed or (b) on a pro rata basis to the extent practicable, or, if the pro rata basis is not practicable for any reason, by lot or by such other method the Trustee shall deem fair and appropriate. In the event of partial
redemption by lot, the particular Notes to be redeemed shall be selected, unless otherwise provided herein, not less than 30 nor more than 60 days prior to the Redemption Date by the Trustee from the outstanding Notes not previously called for
redemption. 
 The Trustee shall promptly notify the Issuers in writing of the Notes selected for redemption and, in the case of any Note
selected for partial redemption, the principal amount thereof to be redeemed. Notes and portions of Notes selected shall be in amounts of $2,000 or integral multiples of $1,000 in excess thereof; no Notes of less than $2,000 can be redeemed in part,
except that if all of the Notes of a Holder are to be redeemed, the entire outstanding amount of Notes held by such Holder, even if not a multiple of $1,000 shall be redeemed. Except as provided in the preceding sentence, provisions of this
Indenture that apply to Notes called for redemption also apply to portions of Notes called for redemption. 

  
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 Section 3.03. NOTICE OF
REDEMPTION 
 Subject to Section 3.09 hereof, the
Issuers shall deliver electronically or mail or cause to be mailed by first-class mail, postage prepaid (or otherwise deliver in accordance with applicable DTC procedures), notices of redemption at least 30 days but not more than 60 days before the
Redemption Date to each Holder of Notes to be redeemed at such Holder’s registered address appearing in the Note Register or otherwise in accordance with Applicable Procedures, except that redemption notices may be mailed more than 60 days
prior to a Redemption Date if the notice is issued in connection with Article VIII or Article XII hereof. 
 The notice shall
identify the Notes to be redeemed and shall state: 
 (a) the redemption date; 

(b) the appropriate method for calculation of the redemption price, but need not include the redemption price itself; the
actual redemption price shall be set forth in an Officer’s Certificate delivered to the Trustee no later than two (2) Business Days prior to the Redemption Date (or such shorter period as allowed by the Trustee); 

(c) if any Note is to be redeemed in part only, the portion of the principal amount of that Note that is to be redeemed and
that, after the Redemption Date upon surrender of such Note, a new Note or Notes in principal amount equal to the unredeemed portion of the original Note representing the same indebtedness to the extent not redeemed will be issued in the name of the
Holder of the Notes upon cancellation of the original Note; 
 (d) the name and address of the Paying Agent; 

(e) that Notes called for redemption must be surrendered to the Paying Agent to collect the redemption price; 

(f) that, unless the Issuers default in making such redemption payment, interest on Notes called for redemption ceases to
accrue on and after the Redemption Date; 
 (g) the paragraph or subparagraph of the Notes and/or Section of this Indenture
pursuant to which the Notes called for redemption are being redeemed; 
 (h) the CUSIP and ISIN number, if any, printed on
the Notes being redeemed and that no representation is made as to the correctness or accuracy of any such CUSIP and ISIN number that is listed in such notice or printed on the Notes; and 

(i) if in connection with a redemption pursuant to Section 3.07 hereof, any condition to such redemption. 

At the Issuers’ request, the Trustee shall give the notice of redemption in the Issuers’ names and at their expense; provided
that the Issuers shall have delivered to the Trustee, at least two Business Days (or such shorter period as allowed by the Trustee) before notice of redemption is required to be mailed or caused to be mailed to Holders pursuant to this
Section 3.03 hereof, an Officer’s Certificate of the Issuer requesting that the Trustee give such notice and setting forth the information to be stated in such notice as provided in the preceding paragraph. 

The Issuer may provide in the notice of redemption that payment of the redemption price and performance of the Issuers’ obligations with
respect to such redemption or purchase may be performed by another Person. 

  
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 Section 3.04. EFFECT OF
NOTICE OF REDEMPTION 
 Once notice of
redemption is given in accordance with Section 3.03 hereof, Notes called for redemption become irrevocably due and payable on the Redemption Date at the redemption price (except as provided for in Section 3.07 hereof). The notice, if given
in a manner herein provided, shall be conclusively presumed to have been given, whether or not the Holder receives such notice. In any case, failure to give such notice by mail or any defect in the notice to the Holder of any Note designated for
redemption in whole or in part shall not affect the validity of the proceedings for the redemption of any other Note. Subject to Section 3.05 hereof, on and after the Redemption Date, interest ceases to accrue on Notes or portions of Notes
called for redemption. 
 Section 3.05. DEPOSIT OF REDEMPTION
PRICE 
 (a) Prior to 11:00 a.m. (New York City time) on the
Redemption Date, the Issuers shall deposit with the Trustee or with the Paying Agent money sufficient to pay the redemption price of and accrued and unpaid interest on all Notes to be redeemed on that Redemption Date. The Trustee or the Paying Agent
shall promptly, and in any event within two Business Days after the Redemption Date, return to the Issuers any money deposited with the Trustee or the Paying Agent by the Issuers in excess of the amounts necessary to pay the redemption price of, and
accrued and unpaid interest on, all Notes to be redeemed. 
 (b) If the Issuers comply with the provisions of the preceding paragraph (a),
on and after the Redemption Date, interest shall cease to accrue on the applicable series of Notes or the portions of Notes called for redemption, whether or not such Notes are presented for payment. If a Note is redeemed on or after a Record Date
but on or prior to the related Interest Payment Date, then any accrued and unpaid interest to the Redemption Date shall be paid to the Person in whose name such Note was registered at the close of business on such Record Date. If any Note called for
redemption shall not be so paid upon surrender for redemption because of the failure of the Issuers to comply with the preceding paragraph, interest shall be paid on the unpaid principal, from the Redemption Date until such principal is paid, and to
the extent lawful on any interest accrued to the Redemption Date not paid on such unpaid principal, in each case at the rate provided in the Notes and in Section 4.01 hereof. 

Section 3.06. NOTES REDEEMED IN
PART 
 Upon surrender of a Note that is redeemed in part, the Issuers
shall issue and the Trustee shall authenticate for the Holder at the expense of the Issuers a new Note equal in principal amount to the unredeemed portion of the Note surrendered representing the same indebtedness to the extent not redeemed;
provided that each new Note will be in a principal amount of $2,000 or an integral multiple of $1,000 in excess thereof. It is understood that, notwithstanding anything in this Indenture to the contrary, only an Authentication Order and not an
Opinion of Counsel or Officer’s Certificate of the Issuers is required for the Trustee to authenticate such new Note. 

Section 3.07. OPTIONAL
REDEMPTION 
 (a) The Issuers may redeem the Notes in accordance with
the provisions of the applicable Note, as set forth in Exhibit A. The Trustee shall have no duty to calculate or verify the calculation of any Applicable Premium. Notwithstanding anything to the contrary contained herein or in the applicable Note,
notice of any redemption may, at the Issuers’ discretion, be subject to one or more conditions precedent, including, but not limited to, completion of an Equity Offering or other corporate transaction. 

(b) Any prepayment pursuant to this Section 3.07 shall be made pursuant to the provisions of Sections 3.01 through 3.06 hereof. 

Section 3.08. MANDATORY
REDEMPTION 
 Except as set forth in Sections 4.10 and 4.14 hereof,
the Issuers shall not be required to make mandatory redemption or sinking fund payments with respect to, or offer to purchase, the Notes. 

  
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 Section 3.09. OFFER TO
PURCHASE 
 (a) In the event that, pursuant to Section 4.10
hereof, the Issuers shall be required to commence an Asset Sale Offer, they shall follow the procedures specified below. 
 (b) The Asset
Sale Offer shall remain open for a period of 20 Business Days following its commencement and no longer, except to the extent that a longer period is required by applicable law (the “Offer Period”). No later than five Business Days
after the termination of the Offer Period (the “Purchase Date”), the Issuers shall apply all Excess Proceeds (the “Offer Amount”) to the purchase of Notes and, if required, other pari passu Indebtedness (on a pro
rata basis, if applicable), or, if less than the Offer Amount has been tendered, all Notes and other pari passu Indebtedness tendered in response to the Asset Sale Offer. Payment for any Notes so purchased shall be made in the same manner as
interest payments are made. 
 (c) If the Purchase Date is on or after a Record Date and on or before the related Interest Payment Date, any
accrued and unpaid interest, up to but excluding the Purchase Date, shall be paid to the Person in whose name a Note is registered at the close of business on such Record Date, and no additional interest shall be payable to Holders who tender Notes
pursuant to the Asset Sale Offer. 
 (d) Upon the commencement of an Asset Sale Offer, the Issuers shall send, by first-class mail, postage
prepaid (or otherwise deliver in accordance with applicable DTC procedures), a notice to each of the Holders, with a copy to the Trustee. The notice shall contain all instructions and materials necessary to enable such Holders to tender Notes
pursuant to the Asset Sale Offer. The Asset Sale Offer shall be made to all Holders and all holders of other Indebtedness that is pari passu with the Notes and is also unsecured containing provisions similar to those set forth in this Indenture to
purchase or redeem with the proceeds of sales of assets. The notice, which shall govern the terms of the Asset Sale Offer, shall state: 

(i) that the Asset Sale Offer is being made pursuant to this Section 3.09 and Section 4.10 hereof and the length of
time the Asset Sale Offer shall remain open; 
 (ii) the Offer Amount, the purchase price and the Purchase Date; 

(iii) that any Note not tendered or accepted for payment shall continue to accrue interest; 

(iv) that, unless the Issuers default in making such payment, any Note accepted for payment pursuant to the Asset Sale Offer
shall cease to accrue interest on and after the Purchase Date; 
 (v) that any Holder electing to have less than all of the
aggregate principal amount of its Notes purchased pursuant to an Asset Sale Offer may elect to have Notes purchased in denominations of $2,000 or integral multiples of $1,000 in excess thereof; 

(vi) that Holders electing to have a Note purchased pursuant to any Asset Sale Offer shall be required to surrender the Note,
with the form entitled “Option of Holder to Elect Purchase” attached to the Note completed, or transfer by book-entry transfer, to the Issuers, the Depositary, if appointed by the Issuers, or a Paying Agent at the address specified in the
notice at least two Business Days before the Purchase Date; 
 (vii) that Holders shall be entitled to withdraw their
election if the Issuers, the Depositary or the Paying Agent, as the case may be, receives, not later than the expiration of the Offer Period, a facsimile transmission or letter setting forth the name of the Holder, the principal amount of the Note
the Holder delivered for purchase and a statement that such Holder is withdrawing his election to have such Note purchased; 

(viii) that, if the aggregate principal amount of Notes and other pari passu Indebtedness surrendered pursuant to such Asset
Sale Offer by the Holders thereof exceeds the Offer Amount, the Trustee shall select the Notes and the issuer or the agent for such other pari passu Indebtedness will select such other pari 

  
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passu Indebtedness to be purchased on a pro rata basis based on the accreted value or principal amount of the Notes or such other pari passu Indebtedness tendered (with such adjustments as may be
necessary so that only Notes in denominations of $2,000 or integral multiples of $1,000 in excess thereof are purchased); 

(ix) that Holders whose Notes were purchased only in part shall be issued new Notes equal in principal amount to the
unpurchased portion of the Notes surrendered (or transferred by book-entry transfer) representing the same indebtedness to the extent not repurchased; and 

(x) any other procedures the Holders must follow in order to tender their Notes (or portions thereof) for payment and the
procedures that Holders must follow in order to withdraw an election to tender Notes (or portions thereof) for payment. 
 (e) On or before
the Purchase Date, the Issuers shall, to the extent lawful, (1) accept for payment, on a pro rata basis as described in clause (d)(viii) of this Section 3.09, the Offer Amount of Notes or portions thereof validly tendered pursuant to the
Asset Sale Offer, or if less than the Offer Amount has been tendered, all Notes tendered and (2) deliver or cause to be delivered to the Trustee the Notes properly accepted together with an Officer’s Certificate stating the aggregate
principal amount of Notes or portions thereof so tendered. 
 (f) The Issuers, the Depositary or the Paying Agent, as the case may be, shall
promptly mail or deliver to each tendering Holder an amount equal to the purchase price of the Notes properly tendered by such Holder and accepted by the Issuers for purchase, and the Issuers shall promptly issue a new Note, and the Trustee, upon
receipt of an Authentication Order, shall authenticate and mail or deliver (or cause to be transferred by book-entry) such new Note to such Holder (it being understood that, notwithstanding anything in this Indenture to the contrary, no Opinion of
Counsel or Officer’s Certificate of the Issuer is required for the Trustee to authenticate and mail or deliver such new Note) in a principal amount equal to any unpurchased portion of the Note surrendered representing the same indebtedness to
the extent not repurchased. Any Note not so accepted shall be promptly mailed or delivered by the Issuers to the Holder thereof. The Issuers shall publicly announce the results of the Asset Sale Offer on or as soon as practicable after the Purchase
Date. 
 (g) Prior to 11:00 a.m. (New York City time) on the purchase date, the Issuers shall deposit with the Trustee or with the Paying
Agent money sufficient to pay the purchase price of and accrued and unpaid interest on all Notes to be purchased on that purchase date. The Trustee or the Paying Agent shall promptly, and in any event within two Business Days, return to the Issuers
any money deposited with the Trustee or the Paying Agent by the Issuers in excess of the amounts necessary to pay the purchase price of, and accrued and unpaid interest on, all Notes to be redeemed. 

Other than as specifically provided in this Section 3.09 or Section 4.10 hereof, any purchase pursuant to this Section 3.09
shall be made pursuant to the applicable provisions of Sections 3.01 through 3.06 hereof, and references therein to “redeem,” “redemption” and similar words shall be deemed to refer to “purchase,” “repurchase”
and similar words, as applicable. To the extent that the provisions of any securities laws or regulations conflict with Section 4.10, this Section 3.09 or other provisions of this Indenture, the Issuers shall comply with applicable
securities laws and regulations and shall not be deemed to have breached their obligations under Section 4.10, this Section 3.09 or such other provision by virtue of such compliance. 

ARTICLE IV  

COVENANTS 

Section 4.01. PAYMENT OF
NOTES 
 The Issuers shall pay or cause to be paid the
principal of, premium, if any, and interest on the Notes on the dates and in the manner provided in the Notes. Principal, premium, if any, and interest shall be considered paid on the date due if the Paying Agent, if other than an Issuer, a
Guarantor or an Affiliate of the Issuer or a Guarantor, holds as of 11:00 a.m. (New York City time) on the due date money deposited by the Issuers in 

  
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immediately available funds and designated for and sufficient to pay all principal, premium, if any, and interest then due. The Paying Agent shall return to the Issuers promptly, and in any
event, no later than five (5) Business Days following the date of payment, any money (including accrued interest) that exceeds such amount of principal, premium, if any, and interest paid on the Notes. If a payment date is a Legal Holiday at a
place of payment, payment may be made at that place on the next succeeding day that is not a Legal Holiday, and no interest shall accrue on such payment for the intervening period. 

The Issuers shall pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal and premium,
if any, from time to time on demand at the rate then in effect; they shall pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue installments of interest (without regard to any applicable grace
periods), from time to time on demand at the same rate to the extent lawful. 
 Section 4.02.
MAINTENANCE OF OFFICE OR AGENCY 

(a) The Issuers shall maintain an office or agency (which may be an office or drop facility of the Trustee or an affiliate of the Trustee,
Registrar or co-registrar) where Notes may be presented or surrendered for registration of transfer or for exchange and where notices and demands to or upon the Issuers in respect of the Notes and this Indenture may be delivered. The Issuers shall
give prompt written notice to the Trustee of the location, and any change in the location, of such office or agency. If at any time the Issuers shall fail to maintain any such required office or agency or shall fail to furnish the Trustee with the
address thereof, such presentations, surrenders, notices and demands may be made or served at the Corporate Trust Office of the Trustee, and the Issuers hereby appoint the Trustee as its agent to receive all such presentations, surrenders, notices
and demands. 
 (b) The Issuers may also from time to time designate one or more other offices or agencies where the Notes may be presented
or surrendered for any or all such purposes and may from time to time rescind such designations; provided that no such designation or rescission shall in any manner relieve the Issuers of their obligation to maintain such offices or agencies
as required by Section 2.03 for such purposes. The Issuers shall give prompt written notice to the Trustee of any such designation or rescission and of any change in the location of any such other office or agency. 

(c) The Issuers hereby designate the Corporate Trust Office of the Trustee, as one such office, drop facility or agency of the Issuers in
accordance with Section 2.03 hereof. 
 Section 4.03.
REPORTS 
 (a) So long as any Notes
are outstanding, Milacron will furnish to the Trustee: 
 (i) within 95 days after the end of each fiscal year, annual
reports of Milacron containing substantially all of the information that would have been required to be contained in an Annual Report on Form 10-K under the Exchange Act if Milacron had been a reporting company under the Exchange Act (but only to
the extent similar information is included in the Offering Memorandum), including (A) “Management’s discussion and analysis of financial condition and results of operations”, (B) audited financial statements prepared in
accordance with GAAP and (C) a presentation of Adjusted EBITDA of Milacron and its Subsidiaries substantially consistent with the presentation thereof in the Offering Memorandum; 

(ii) within 50 days after the end of each of the first three fiscal quarters of each fiscal year, quarterly reports of Milacron
containing substantially all of the information that would have been required to be contained in a Quarterly Report on Form 10-Q under the Exchange Act if Milacron had been a reporting company under
the Exchange Act (but only to the extent similar information is provided in the Offering Memorandum), including (A) “Management’s discussion and analysis of financial condition and results of operations”, (B) unaudited
quarterly financial statements prepared in accordance with GAAP and reviewed pursuant to Statement on Auditing Standards No. 116 (or any successor provision) and (C) a presentation of Adjusted EBITDA of Milacron and its Subsidiaries
substantially consistent with the presentation thereof in the Offering Memorandum; and 

  
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 (iii) within the time period specified for filing current reports on Form 8-K by
the SEC, current reports containing substantially all of the information that would be required to be filed in a Current Report on Form 8-K under the Exchange Act on the Issue Date pursuant to Sections 1, 2 and 4, Items 5.01, 5.02 (other than
compensation information), 5.03(b) and 9.01(a) and (b) (only to the extent relating to any of the foregoing) of Form 8-K if Milacron had been a reporting company under the Exchange Act; provided, however, that no such current
report will be required to be furnished if Milacron determines in its good faith judgment that such event is not material to Holders or the business, assets, operations, financial position or prospects of Milacron and its Restricted Subsidiaries,
taken as a whole; 
 provided, however, that such reports required pursuant to clauses (i), (ii) and (iii) above (i) shall not be
required to comply with Section 302 or Section 404 of the Sarbanes-Oxley Act of 2002, as amended, or related Items 307, 308 and 308T of Regulation S-K promulgated by the SEC, or Item 10(e) of Regulation S-K (with respect to any
non-GAAP financial measures contained therein), (ii) will not be required to comply with Items 402 (except that such reports will be required to present executive compensation and beneficial ownership information only to the extent that and in
the same general style of presentation as such information is included in and presented in the Offering Memorandum) of Regulation S-K promulgated by the SEC, (iii) shall not be required to comply with Rule 3-10 of Regulation S-X, except that
summary guarantor/non-guarantor information consistent with the disclosure in the Offering Memorandum will be provided, (iv) shall not be required to include any segment or business unit level financial information except to the extent included
in the Offering Memorandum and (v) any exhibits that would have been required to be filed pursuant to Item 601 of Regulation S-K. 

At any time that any of Milacron’s Subsidiaries are Unrestricted Subsidiaries, the annual and quarterly reports required by clauses
(i) and (ii) above will include the following financial information for the Unrestricted Subsidiaries in the aggregate for the relevant periods: total sales, Adjusted EBITDA (on a basis substantially consistent with the presentation
thereof in the Offering Memorandum), total assets and total liabilities. 
 (b) So long as any Notes are outstanding, Milacron will also:

 (i) issue a press release to be posted on Intralinks or any comparable password protected online data system requiring
user identification and a confidentiality acknowledgement (the “Secured System”) no fewer than three Business Days prior to the disclosure of the annual and quarterly reports required by clauses (a)(i) and (ii) above announcing
the date on which such reports will become available and indicating to Holders of the Notes, prospective investors (each a “Prospective Investor”), security analysts who have certified to Milacron that they are reputable security
analysts employed by a reputable financial institution who regularly cover or intend to cover Milacron and the Notes (each, a “Security Analyst”) and market makers who have certified to Milacron that they are reputable market makers
who regularly make or intend to make a market in the Notes (each, a “Market Maker”) that such reports and information will be posted on the Secured System; provided that Milacron shall make readily and promptly available any
password or other login information relating to the Secured System to Holders of the Notes, Prospective Investors, Security Analysts or Market Makers; 

(ii) within ten Business Days after furnishing to the Trustee the annual and quarterly reports required by clauses (a)(i) and
(ii) above, hold a conference call to discuss such reports and the results of operations for the relevant reporting period. Such conference call shall (A) include a reasonable question and answer period of sufficient length to allow
conference call participants an opportunity to ask questions of management and for management to provide comprehensive responses to such questions and (B) include Milacron’s chief executive officer or chief financial officer, or persons
holding comparable roles, or, in the event that after reasonable efforts neither the chief executive officer nor chief financial officer is able to participate in the conference call, include as a substitute for such officer a senior member of
management of Milacron; 
 (iii) issue a press release to the Secured System no fewer than three Business Days prior to the
date of the conference call required to be held in accordance with this paragraph, announcing the time and date of such conference call and either including all information necessary to access the call or directing Holders of the Notes, Prospective
Investors, Security Analysts and Market Makers to access the Secured System or to contact the appropriate person at Milacron to obtain such information; 

  
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 (iv) maintain a website on the Secured System to which Holders of the Notes,
Prospective Investors, Security Analysts and Market Makers are readily and promptly given access and to which all of the reports and press releases required by this Section 4.03 are posted; 

(v) make readily and promptly available on an “Investor Relations” page on its external website contact information
for being provided access to the Secured System to any Holders of the Notes, Prospective Investors, Security Analysts or Market Makers and shall promptly comply with any such requests for access to the Secured System; and 

(vi) make available on the Secured System copies of this Indenture, ABL Credit Agreement and Term Loan Credit Agreement,
including any exhibits, amendments or supplements thereto. 
 Milacron shall furnish to Holders of the Notes and Prospective Investors, upon
their request, any information required to be delivered pursuant to Rule 144A(d)(4) under the Securities Act so long as the Notes are not freely transferable under the Securities Act. 

(c) So long as any direct or indirect parent company of Milacron is the Parent Guarantor, the reports, information and other documents
required to be filed and furnished to Holders of the Notes pursuant to this covenant may, at the option of Milacron, be filed by and be those of the direct parent company rather than Milacron; provided, however, that if such parent holds any
material assets other than cash, Cash Equivalents and the Capital Stock of Milacron, such information is accompanied by consolidating information that explains in reasonable detail the differences between the information relating to such parent
company and any of its Subsidiaries other than Milacron and its Subsidiaries, on the one hand, and the information relating to Milacron and its Subsidiaries on a standalone basis, on the other hand. 

(d) Delivery of reports, information and documents to the Trustee under this Section 4.03 is for informational purposes only and the
Trustee’s receipt (or constructive receipt) of the foregoing shall not constitute constructive notice of any information contained therein or determinable from information contained therein, including the Issuers’ compliance with any of
the covenants hereunder (as to which the Trustee is entitled to rely exclusively on an Officer’s Certificate). The Trustee is not obligated to confirm that Milacron has complied with its obligations contained in this Section 4.03 to
provide such reports or post such reports and information on its website. 
 Section 4.04. COMPLIANCE
CERTIFICATE; NOTICES OF DEFAULT 

Milacron shall deliver to the Trustee, within 120 days after the end of each fiscal year ending after the Issue Date, a certificate from the
principal executive officer, principal financial officer or principal accounting officer stating that a review of the activities of the Issuers and the Restricted Subsidiaries during the preceding fiscal year has been made under the supervision of
the signing Officer with a view to determining whether the Issuers and the Restricted Subsidiaries have kept, observed, performed and fulfilled their obligations under this Indenture, and further stating, as to such Officer signing such certificate,
that to the best of his or her knowledge the Issuers are not in default in the performance or observance of any of the terms, provisions, covenants and conditions of this Indenture (or, if a Default shall have occurred, describing all such Defaults
of which he or she may have knowledge and what action the Issuers are taking or propose to take with respect thereto). In addition, within ten (10) Business Days after becoming aware of any Default, the Issuers shall deliver to the Trustee a
statement specifying such Default. 
 Section 4.05. TAXES

 Milacron shall pay, and shall cause each of the Subsidiaries to pay, prior to delinquency, all material taxes, assessments and
governmental levies, except such as are being contested in good faith and by appropriate negotiations or proceedings or where the failure to effect such payment is not adverse in any material respect to the Holders. 

  
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 Section 4.06. STAY, EXTENSION
AND USURY LAWS 
 The Issuers and each of the
Guarantors covenant (to the extent that they may lawfully do so) that they shall not at any time insist upon, plead, or in any manner whatsoever claim or take the benefit or advantage of, any stay, extension or usury law wherever enacted, now or at
any time hereafter in force, that may affect the covenants or the performance of this Indenture; and the Issuers and each of the Guarantors (to the extent that they may lawfully do so) hereby expressly waive all benefit or advantage of any such law,
and covenant that they shall not, by resort to any such law, hinder, delay or impede the execution of any power herein granted to the Trustee, but shall suffer and permit the execution of every such power as though no such law has been enacted. 

Section 4.07. RESTRICTED PAYMENTS 

(a) Milacron will not, and will not permit any Restricted Subsidiary to, directly or indirectly: 

(i) declare or pay any dividend or distribution on account of or make any similar payment with respect to, Milacron’s or
any Restricted Subsidiary’s Equity Interests (including any dividend or distribution payable in connection with any merger or consolidation) other than: 

(1) dividends or distributions payable solely in Equity Interests (other than Disqualified Stock) of Milacron; or 

(2) dividends or distributions by a Restricted Subsidiary so long as, in the case of any dividend or distribution payable on or
in respect of any class or series of securities issued by a Restricted Subsidiary other than a Wholly-Owned Subsidiary of Milacron, Milacron or a Restricted Subsidiary receives at least its pro rata share of such dividend or distribution in
accordance with its Equity Interests in such class or series of securities; 
 (ii) purchase, redeem, defease or otherwise
acquire or retire for value any Equity Interests of Milacron or any direct or indirect parent of Milacron, in each case held by Persons other than Milacron or a Restricted Subsidiary; 

(iii) make any principal payment on, or redeem, repurchase, defease or otherwise acquire or retire for value in each case,
prior to any scheduled repayment, sinking fund payment or maturity, any Subordinated Indebtedness other than: 
 (1)
Indebtedness permitted under Section 4.09(b)(vii); or 
 (2) the purchase, repurchase, redemption, defeasance or other
acquisition or retirement of Subordinated Indebtedness of Milacron and its Restricted Subsidiaries in anticipation of satisfying a sinking fund obligation, principal installment or final maturity, in each case due within one year of the date of
purchase, repurchase, redemption, defeasance, acquisition or retirement; or 
 (iv) make any Restricted Investment, unless
the conditions of subsection (b) below are satisfied. 
 (b) All payments and other actions set forth in Sections 4.07(a)(i) through
(iv) (other than any exception thereto) above shall be collectively referred to as “Restricted Payments”. At the time of such Restricted Payment: 

(i) no Default shall have occurred and be continuing or would occur as a consequence thereof; 

  
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 (ii) immediately after giving effect to such transaction on a pro forma basis,
Milacron could incur $1.00 of additional Indebtedness pursuant to the Fixed Charge Coverage Ratio test set forth in Section 4.09(a); and 

(iii) such Restricted Payment, together with the aggregate amount of all other Restricted Payments made by Milacron and the
Restricted Subsidiaries since April 30, 2012 (including Restricted Payments permitted by Sections 4.07(c)(i), 4.07(c)(ii) (with respect to the payment of dividends on Refunding Capital Stock (as defined in Section 4.07(c)(ii)(a)) pursuant
to clause (c) thereof only), Sections 4.07(c)(vi)(3), (ix) and (xiii), but excluding all other Restricted Payments permitted by Section 4.07(c)), is less than the sum of (without duplication): 

(1) 50% of the Consolidated Net Income of Milacron for the period (taken as one accounting period) beginning on April 1,
2012 to the end of Milacron’s most recently ended fiscal quarter for which internal financial statements are available at the time of such Restricted Payment, or, in the case such Consolidated Net Income for such period is a deficit, minus 100%
of such deficit; plus 
 (2) 100% of the aggregate net cash proceeds and the fair market value, as determined in good
faith by Milacron, of marketable securities or other property received by Milacron since April 30, 2012 (other than (i) to the extent used to fund the 2012 Transactions or the Mold-Masters Acquisition Transactions and (ii) net cash
proceeds to the extent such net cash proceeds have been used to incur Indebtedness, Disqualified Stock or Preferred Stock pursuant to Section 4.09(b)(xi)(a)) from the issue or sale of: 

(A) (1) Equity Interests of Milacron, including Treasury Capital Stock (as defined in Section 4.07(c)(ii)(a)), but
excluding cash proceeds and the fair market value, as determined in good faith by Milacron, of marketable securities or other property received from the sale of (x) Equity Interests to employees, officers, directors, members of management or
consultants of Milacron, Restricted Subsidiaries and any direct or indirect parent company of Milacron, after the Issue Date to the extent such amounts have been applied to Restricted Payments made in accordance with Section 4.07(c)(iv); and
(y) Designated Preferred Stock; and (2) to the extent such net cash proceeds, marketable securities or other property are actually contributed to the capital of Milacron, Equity Interests of Milacron’s direct or indirect parent
companies (excluding contributions of the proceeds from the sale of Designated Preferred Stock of such companies or contributions to the extent such amounts have been applied to Restricted Payments made in accordance with Section 4.07(c)(iv));
or 
 (B) debt securities of Milacron or any Restricted Subsidiary that have been converted into or exchanged for such
Equity Interests of Milacron or a direct or indirect parent company of Milacron; 
 provided, however, that this clause
(b) shall not include the proceeds from (w) Refunding Capital Stock, (x) Equity Interests or convertible debt securities sold to Milacron or a Restricted Subsidiary, as the case may be, (y) Disqualified Stock or debt securities
that have been converted into Disqualified Stock or (z) Excluded Contributions; plus 
 (3) 100% of the aggregate
amount of cash and the fair market value, as determined in good faith by Milacron, of marketable securities or other property contributed to the capital of Milacron after April 30, 2012 (other than (i) net cash proceeds to the extent such
net cash proceeds have been used to incur Indebtedness, Disqualified Stock or Preferred Stock pursuant to Section 4.09(b)(xi)(a), (ii) to the extent applied to fund the 2012 Transactions or the Mold-Masters Acquisition Transactions,
(iii) by a Restricted Subsidiary and (iv) any Excluded Contributions); plus 

  
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 (4) 100% of the aggregate amount received in cash and the fair market value, as
determined in good faith by Milacron, of marketable securities or other property received by Milacron or a Restricted Subsidiary by means of: 

(A) the sale or other disposition (other than to Milacron or a Restricted Subsidiary) of Restricted Investments made by
Milacron or the Restricted Subsidiaries and repurchases and redemptions of such Restricted Investments from Milacron or the Restricted Subsidiaries and repayments of loans or advances, and releases of guarantees, which constitute Restricted
Investments by Milacron or the Restricted Subsidiaries, in each case after April 30, 2012; or 
 (B) the sale or other
disposition (other than to Milacron or a Restricted Subsidiary) of the stock of an Unrestricted Subsidiary (other than to the extent the Investment in such Unrestricted Subsidiary was made by Milacron or a Restricted Subsidiary pursuant to
Section 4.07(c)(vii) or to the extent such Investment constituted a Permitted Investment) or a dividend or distribution from an Unrestricted Subsidiary after April 30, 2012; plus 

(5) in the case of the redesignation of an Unrestricted Subsidiary as a Restricted Subsidiary after April 30, 2012, the
fair market value of the Investment in such Unrestricted Subsidiary, as determined in good faith by Milacron or if such fair market value may exceed $20.0 million, in writing by an Independent Financial Advisor, at the time of the redesignation of
such Unrestricted Subsidiary as a Restricted Subsidiary, other than an Unrestricted Subsidiary to the extent the Investment in such Unrestricted Subsidiary was made by Milacron or a Restricted Subsidiary pursuant to Section 4.07(c)(vii) or to
the extent such Investment constituted a Permitted Investment. 
 (c) The provisions in subsections (a) and (b) above will not
prohibit: 
 (i) the payment of any dividend or distribution within 60 days after the date of declaration thereof, if at the
date of declaration such payment would have complied with the provisions of this Indenture; 
 (ii) (a) the redemption,
repurchase, retirement or other acquisition of any (i) Equity Interests of Milacron or any Restricted Subsidiary (“Treasury Capital Stock”) or Subordinated Indebtedness of an Issuer or any Guarantor or (ii) Equity
Interests of any direct or indirect parent company of Milacron, in the case of each of clauses (i) and (ii), in exchange for, or out of the proceeds of the substantially concurrent sale (other than to Milacron or a Restricted Subsidiary) of,
Equity Interests of Milacron, or any direct or indirect parent company of Milacron to the extent contributed to the capital of Milacron (in each case, other than any Disqualified Stock) (“Refunding Capital Stock”), (b) the
declaration and payment of dividends on Treasury Capital Stock out of the proceeds of the substantially concurrent sale (other than to Milacron or a Restricted Subsidiary) of Refunding Capital Stock, and (c) if immediately prior to the
retirement of Treasury Capital Stock, the declaration and payment of dividends thereon was permitted under Section 4.07(c)(vi)(1) or (2), the declaration and payment of dividends on the Refunding Capital Stock (other than Refunding Capital Stock the
proceeds of which were used to redeem, repurchase, retire or otherwise acquire any Equity Interests of any direct or indirect parent company of Milacron) in an aggregate amount per year no greater than the aggregate amount of dividends per annum
that were declarable and payable on such Treasury Capital Stock immediately prior to such retirement; 
 (iii) the purchase,
repurchase, redemption, defeasance or other acquisition or retirement of Subordinated Indebtedness of an Issuer or a Guarantor made by exchange for, or out of the proceeds of the substantially concurrent sale of, new Indebtedness of an Issuer or a
Guarantor, as the case may be, which is incurred in compliance with Section 4.09 so long as: 
 (1) the principal amount
(or accreted value, if applicable) of such new Indebtedness does not exceed the principal amount of (or accreted value, if applicable), plus any accrued and 

  
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unpaid interest on, the Subordinated Indebtedness being so purchased, repurchased, redeemed, defeased, acquired or retired for value, plus the amount of any premium required to be paid
under the terms of the instrument governing the Subordinated Indebtedness being so purchased, repurchased, redeemed, defeased, acquired or retired and any tender premium and any costs, fees and expenses incurred in connection therewith; 

(2) such new Indebtedness is subordinated to the Notes or the applicable Guarantee at least to the same extent as such
Subordinated Indebtedness so purchased, repurchased, redeemed, defeased, acquired or retired for value; 
 (3) such new
Indebtedness has a final scheduled maturity date equal to or later than the final scheduled maturity date of the Subordinated Indebtedness being so purchased, repurchased, redeemed, defeased, acquired or retired; and 

(4) such new Indebtedness has a Weighted Average Life to Maturity equal to or greater than the remaining Weighted Average Life
to Maturity of the Subordinated Indebtedness being so purchased, repurchased, redeemed, defeased, acquired or retired; 

(iv) a Restricted Payment to pay for the repurchase, redemption or other acquisition or retirement for value of Equity
Interests (other than Disqualified Stock) of Milacron or any of its direct or indirect parent companies held by any future, present or former employee, officer, director, member of management, or consultant (or the estate, heirs, family members,
spouse, former spouse, domestic partner or former domestic partner of any of the foregoing) of Milacron, any of its Subsidiaries or any of their respective direct or indirect parent companies pursuant to any management equity plan or stock option
plan or any other management or employee benefit plan or agreement, including any Equity Interests rolled over by management of Milacron or any direct or indirect parent companies in connection with the 2012 Transactions or the Mold-Masters
Acquisition Transactions; provided, however, that the aggregate Restricted Payments made under this clause (iv) do not exceed in any calendar year $15.0 million with unused amounts in any calendar year being carried over to
succeeding calendar years subject to a maximum of $25.0 million in any calendar year; provided further that such amount in any calendar year may be increased by an amount not to exceed: 

(1) the cash proceeds from the sale of Equity Interests (other than Disqualified Stock) of Milacron and, to the extent
contributed to the capital of Milacron, Equity Interests of any of the direct or indirect parent companies of Milacron, in each case to present or former employees, officers, directors, members of management or consultants (or the estate, heirs,
family members, spouse, former spouse, domestic partner or former domestic partner of any of the foregoing) of Milacron, any of its Subsidiaries or any of their respective direct or indirect parent companies that occurs after the Issue Date (other
than Equity Interests the proceeds of which are used to fund the 2012 Transactions or the Mold-Masters Acquisition Transactions), to the extent the cash proceeds from the sale of such Equity Interests have not otherwise been applied to the payment
of Restricted Payments by virtue of subsection (b)(iii) above; plus 
 (2) the cash proceeds of key man life insurance
policies received by Milacron or any of its Restricted Subsidiaries after the Issue Date; less (without duplication) 

(3) the amount of any Restricted Payments previously made with the cash proceeds described in clauses (1) and (2) of
this subsection (c)(iv); 
 and provided further that Milacron may apply all or any portion of the aggregate increase contemplated by
clauses (1) and (2) above in any calendar year and that cancellation of Indebtedness owing to Milacron from any employee, officer, director, member of management or consultant (or estate, heirs, family members, spouse, former spouse,
domestic partner or former domestic partner of any of the foregoing) of Milacron, any of its Subsidiaries or its direct or indirect parent companies in connection with a repurchase of Equity Interests of Milacron or any of Milacron’s direct or
indirect parent companies will not be deemed to constitute a Restricted Payment for purposes of this covenant or any other provision of this Indenture; 

  
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 (v) the declaration and payment of dividends to holders of any class or series of
Disqualified Stock of Milacron or any of its Restricted Subsidiaries or any class or series of Preferred Stock of a Restricted Subsidiary issued in accordance with Section 4.09(a) to the extent such dividends are included in the definition of
“Fixed Charges”; 
 (vi) (1) the declaration and payment of dividends to holders of any class or series of
Designated Preferred Stock (other than Disqualified Stock) issued by Milacron or any of its Restricted Subsidiaries after the Issue Date, provided that the amount of dividends paid pursuant to this clause (1) shall not exceed the
aggregate amount of cash actually received by Milacron or such Restricted Subsidiary from the issuance of such Designated Preferred Stock; 

(2) a Restricted Payment to a direct or indirect parent company of Milacron, the proceeds of which will be used to fund the
payment of dividends to holders of any class or series of Designated Preferred Stock (other than Disqualified Stock) of such parent company issued after the Issue Date, provided that the amount of Restricted Payments paid pursuant to this
clause (2) shall not exceed the aggregate amount of cash actually contributed to the capital of Milacron from the sale of such Designated Preferred Stock; or 

(3) the declaration and payment of dividends on Refunding Capital Stock that is Preferred Stock (other than Disqualified Stock)
in excess of the dividends declarable and payable thereon pursuant to subsection (c)(ii); 
 provided, however, in the case of
each of (1), (2) and (3) of this subsection (c)(vi), that for the most recently ended four full fiscal quarters for which internal financial statements are available immediately preceding the date of issuance of such Designated Preferred
Stock or the declaration of such dividends on Refunding Capital Stock that is Preferred Stock (other than Disqualified Stock), after giving effect to such issuance or declaration on a pro forma basis, Milacron could incur $1.00 of additional
Indebtedness pursuant to the Fixed Charge Coverage Ratio test set forth in Section 4.09(a); 
 (vii) Investments in
Unrestricted Subsidiaries having an aggregate fair market value, taken together with all other Investments made pursuant to this subsection (c)(vii) that are at the time outstanding, without giving effect to any distribution pursuant to clause
(xv) of this subsection or the sale of an Unrestricted Subsidiary to the extent the proceeds of such sale do not consist of cash or marketable securities, not to exceed $30.0 million at the time of such Investment; 

(viii) redemptions, repurchases, retirements or other acquisitions of Equity Interests deemed to occur (a) upon exercise
of stock options or warrants if such Equity Interests represent a portion of the exercise price of such options or warrants and (b) in connection with the withholding of a portion of the Equity Interests granted or awarded to any future,
present or former employee, officer, director, member of management, or consultant (or the estate, heirs, family members, spouse, former spouse, domestic partner or former domestic partner of any of the foregoing) of Milacron or any of its
Subsidiaries to pay for the taxes payable by such Persons upon such grant or award; 
 (ix) the declaration and payment of
dividends on Milacron’s common stock (or a Restricted Payment to any direct or indirect parent entity to fund a payment of dividends on such entity’s common stock), following the first public Equity Offering of such common stock after the
Issue Date, of up to 6% per annum of the net cash proceeds received by (or, in the case of a Restricted Payment to a direct or indirect parent entity, contributed to the capital of) Milacron in or from any such public Equity Offering; 

(x) Restricted Payments in an amount that does not in the aggregate exceed all Excluded Contributions made since the Issue
Date; 
 (xi) other Restricted Payments in an aggregate amount taken together with all other Restricted Payments made
pursuant to this clause (xi) not to exceed the greater of (x) $75.0 million and (y) 4.0% of Total Assets at the time made; 

  
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 (xii) [reserved]; 

(xiii) the purchase, repurchase, redemption, defeasance or other acquisition or retirement for value of any Subordinated
Indebtedness pursuant to the provisions similar to those described under Sections 4.10 and 4.14; provided that all Notes tendered by Holders in connection with a Change of Control Offer or Asset Sale Offer, as applicable, have been purchased,
repurchased, redeemed, defeased or acquired for value; 
 (xiv) the declaration and payment of dividends or the payment of
other distributions by Milacron or a Restricted Subsidiary to, or the making of loans or advances to, any of their respective direct or indirect parents in amounts required for any direct or indirect parent companies to pay, in each case without
duplication: 
 (1) any fees, taxes (other than taxes imposed on or measured by income, or withholding taxes) and expenses
required to maintain their corporate existence; 
 (2) for each taxable year (or portion thereof) with respect to which
Milacron and/or any of its Subsidiaries are members (or constituent parts) of a consolidated, combined, unitary or similar income or franchise tax group for U.S. federal and/or applicable state or local income or franchise tax purposes of which a
direct or indirect parent of Milacron is the common parent (a “Tax Group”), aggregate distributions (which may be made in quarterly installments to fund estimated tax payments) to pay the portion of any consolidated, combined,
unitary or similar U.S. federal, state or local income and franchise taxes (as applicable) of such Tax Group for such taxable year (or portion thereof) that are attributable to the income of Milacron and/or its Subsidiaries; provided that
(i) the amount of such dividends or other distributions for any taxable year shall not exceed the amount of such taxes that Milacron and/or its applicable Subsidiaries, as applicable, would have paid had Milacron and/or such Subsidiaries, as
applicable, been a stand-alone corporate taxpayer (or a stand-alone corporate group) and (ii) dividends or other distributions in respect of an Unrestricted Subsidiary shall be permitted only to the extent that cash distributions were made by
such Unrestricted Subsidiary to Milacron or any of its Restricted Subsidiaries for such purpose; 
 (3) customary salary,
bonus, severance, indemnification obligations and other fees, benefits, or expense reimbursements payable to directors, officers, employees, members of management or consultants of any direct or indirect parent company of Milacron and any payroll,
social security or similar taxes thereof to the extent such salaries, bonuses, severance, indemnification obligations and other benefits are attributable to the ownership or operation of Milacron and the Restricted Subsidiaries; 

(4) general corporate operating and overhead costs and expenses of any direct or indirect parent company of Milacron to the
extent such costs and expenses are attributable to the ownership or operation of Milacron and the Restricted Subsidiaries; 

(5) fees and expenses other than to Affiliates of Milacron related to (i) any equity or debt offering of such parent
entity (whether or not successful), (ii) any Investment otherwise permitted by this covenant (whether or not successful), including any Permitted Investment and (iii) any transaction of the type described under and not prohibited by
Section 5.01; 
 (6) payments to fund Investments that would otherwise be permitted to be made pursuant to this
Section 4.07, including any Permitted Investment, if made by Milacron; provided that (A) such Restricted Payment shall be made substantially concurrently with the closing of such Investment, (B) such direct or indirect parent
of Milacron shall, promptly following the closing thereof, cause (1) all property acquired (whether assets or Equity Interests) to be contributed to the capital of Milacron or any of its Restricted Subsidiaries or (2) the merger or
amalgamation of the Person formed or acquired into Milacron or one of its Restricted Subsidiaries (to the extent not prohibited by Section 5.01) in order to consummate such Investment, (C) such direct or indirect

  
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parent company and its Affiliates (other than Milacron or any of its Restricted Subsidiaries) receives no consideration or other payment in connection with such transaction except to the extent
Milacron or any of its Restricted Subsidiaries could have given such consideration or made such payment in compliance with this Indenture, (D) any property received by Milacron shall not increase amounts available for Restricted Payments
pursuant to Section 4.07(b)(iii) and (E) such Investment shall be deemed to be made by Milacron or such Restricted Subsidiary, subject to compliance with another provision of this paragraph or pursuant to the definition of “Permitted
Investments”; 
 (7) amounts payable by Milacron or any parent company thereof to the Investors pursuant to the
Financial Advisory Agreement to the extent permitted to be paid under Section 4.11(b)(iii); and 
 (8) cash payments in lieu
of issuing fractional shares in connection with the exercise of warrants, options or other rights to acquire Capital Stock (including any securities convertible into or exchangeable for Equity Interests) of Milacron or any direct or indirect parent;

 (xv) the distribution, by dividend or otherwise, of shares of Capital Stock of, or Indebtedness owed to Milacron or a
Restricted Subsidiary by, Unrestricted Subsidiaries (other than Unrestricted Subsidiaries, the primary assets of which are cash and/or Cash Equivalents that were contributed to such Unrestricted Subsidiary for the purpose of such distribution,
dividend or other payment); 
 (xvi) distributions or payments of Receivables Fees; and 

(xvii) payments of cash, or dividends, distributions, advances or other Restricted Payments by Milacron or any Restricted
Subsidiary to allow the payment of cash in lieu of the issuance of fractional shares upon the exercise of options, warrants or other rights to acquire Capital Stock or upon the conversion or exchange of Capital Stock of Milacron or any such
Restricted Subsidiary; 
 provided, however, that at the time of, and after giving effect to, any Restricted Payment permitted under clauses (ix),
(xi) and (xv) above, no Default shall have occurred and be continuing or would have occurred as a consequence thereof. 
 (d) As
of the Issue Date, all of Milacron’s Subsidiaries (except for the Issue Date Unrestricted Subsidiary) will be Restricted Subsidiaries. Milacron will not permit any Unrestricted Subsidiary to become a Restricted Subsidiary except pursuant to the
last sentence of the definition of “Unrestricted Subsidiary.” For purposes of designating any Restricted Subsidiary as an Unrestricted Subsidiary, all outstanding Investments by Milacron and the Restricted Subsidiaries (except to the
extent repaid) in the Subsidiary so designated will be deemed to be Restricted Payments in an amount determined as set forth in the last sentence of the definition of “Investments.” Such designation will be permitted only if a Restricted
Payment in such amount would be permitted at such time, whether pursuant to Sections 4.07(a) or (b) or under Sections 4.07(c)(vii), (x) or (xi), or pursuant to the definition of “Permitted Investments,” and if such Subsidiary
otherwise meets the definition of an Unrestricted Subsidiary. Unrestricted Subsidiaries will not be subject to any of the restrictive covenants or Events of Default set forth in this Indenture. 

Section 4.08. RESTRICTIONS ON DISTRIBUTIONS
FROM RESTRICTED SUBSIDIARIES 
 Milacron will not, and will not
permit any of the Restricted Subsidiaries that are not Guarantors to, directly or indirectly, create or otherwise cause or suffer to exist or become effective any consensual encumbrance or consensual restriction on the ability of any such Restricted
Subsidiary to: 
 (a) (x) pay dividends or make any other distributions to Milacron or any of the Restricted Subsidiaries on
its Capital Stock or with respect to any other interest or participation in, or measured by, its profits, or (y) pay any Indebtedness owed to Milacron or any of the Restricted Subsidiaries; 

  
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 (b) make loans or advances to Milacron or any of the Restricted Subsidiaries; or

 (c) sell, lease or transfer any of its properties or assets to Milacron or any of the Restricted Subsidiaries; 

(d) except, however, in the case of subsections (a), (b) and (c), for such encumbrances or restrictions
existing under or by reason of: 
 (i) contractual encumbrances or restrictions pursuant to the ABL Credit Agreement and the
Term Loan Credit Agreement and related Hedging Obligations, the Secured Notes, the Existing Foreign Facilities or any documentation related to the Notes and, in each case, the related documentation and contractual encumbrances or restrictions in
effect on the Issue Date; 
 (ii) this Indenture, the Notes and the related Guarantees; 

(iii) Capitalized Lease Obligations and Purchase Money Obligations; 

(iv) applicable law or any applicable rule, regulation or order; 

(v) any agreement or other instrument of a Person acquired by, or merged or consolidated with or into, Milacron or any of the
Restricted Subsidiaries, or which is assumed by Milacron or any Restricted Subsidiary in connection with an acquisition of assets from such Person, in existence at the time of such acquisition, merger or consolidation (but not created in
contemplation thereof), which encumbrance or restriction is not applicable to any Person, or the properties or assets of any Person, other than the Person and its Subsidiaries, or the property or assets of the Person and its Subsidiaries, so
acquired; provided that for purposes of this subsection (d)(v), if a Person other than Milacron is the Successor Company with respect thereto, any Subsidiary thereof or agreement or instrument of such Person or any such Subsidiary shall be
deemed acquired or assumed, as the case may be, by Milacron or a Restricted Subsidiary, as the case may be, when such Person becomes such Successor Company; 

(vi) contracts for the sale of assets, including customary restrictions with respect to a Subsidiary of (i) Milacron or
(ii) a Restricted Subsidiary, pursuant to an agreement that has been entered into for the sale or disposition of all or substantially all of the Capital Stock or assets of such Subsidiary that impose restrictions on the assets to be sold; 

(vii) Secured Indebtedness otherwise permitted to be incurred pursuant to the covenants described in Section 4.09 and
Section 4.12; 
 (viii) restrictions on cash or other deposits or net worth imposed by customers under contracts entered
into in the ordinary course of business; 
 (ix) other Indebtedness, Disqualified Stock or Preferred Stock of Foreign
Subsidiaries permitted to be incurred subsequent to the Issue Date pursuant to the provisions of the covenant described in Section 4.09; 

(x) customary provisions in joint venture agreements, asset sale agreements, saleleaseback agreements, stock sale agreements
and other similar agreements entered into in the ordinary course of business; 
 (xi) customary provisions (including
non-assignment provisions) contained in leases, subleases, licenses (including intellectual property licenses), sublicenses, asset sale agreements and other agreements, in each case, entered into in the ordinary course of business; 

  
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 (xii) restrictions on cash or other deposits or net worth imposed by regulatory
authorities (including with respect to tax obligations and value-added taxes), in connection with deductions made for tax, pension, national insurance and other similar purposes or for the benefit of customers under contracts entered into in the
ordinary course of business; 
 (xiii) restrictions and conditions created in connection with any Receivables Facility that,
in the good faith determination of Milacron, are necessary or advisable to effect such Receivables Facility; 
 (xiv) any
encumbrance or restriction arising pursuant to an agreement or instrument relating to any Indebtedness permitted to be incurred pursuant to the covenants described in Section 4.09 (A) if the encumbrances and restrictions contained in any
such agreement or instrument taken as a whole are not materially less favorable to the Holders than the encumbrances and restrictions contained in the ABL Credit Agreement, the Term Loan Credit Agreement, the Existing Foreign Facilities or this
Indenture as of the Issue Date (in each case, as determined in good faith by Milacron) or (B) any such encumbrance or restriction contained in such Indebtedness does not prohibit (except upon a default or an event of default thereunder) the
payment of dividends in an amount sufficient, as determined by the Board of Directors of Milacron in good faith, to make scheduled payments of cash interest on the Notes when due; or 

(xv) any encumbrances or restrictions of the type referred to in subsections (a), (b) and (c) above imposed by any
amendments, modifications, restatements, amendments and restatements, extensions, restructurings, renewals, increases, supplements, refundings, replacements or refinancings of the contracts, instruments or obligations referred to in subsections
(d)(i) through (xiv) above; provided that such amendments, modifications, restatements, amendments and restatements, extensions, restructurings, renewals, increases, supplements, refundings, replacements or refinancings are, in the good
faith judgment of Milacron, no more materially restrictive with respect to such encumbrance and other restrictions taken as a whole than those prior to such amendment, modification, restatement, renewal, increase, supplement, refunding, replacement
or refinancing. 
 (e) For purposes of determining compliance with this Section 4.08, (1) the priority of any
Preferred Stock in receiving dividends or liquidating distributions prior to dividends or liquidating distributions being paid on common shares shall not be deemed a restriction on the ability to make distributions on Capital Stock and (2) the
subordination of (or remedy bars in respect of) loans or advances made to Milacron or a Restricted Subsidiary to other Indebtedness incurred by Milacron or any such Restricted Subsidiary shall not be deemed a restriction on the ability to make loans
or advances. 
 Section 4.09. INCURRENCE OF ADDITIONAL
INDEBTEDNESS AND ISSUANCE OF DISQUALIFIED STOCK AND PREFERRED STOCK

 (a) Milacron will not, and will not permit any of the Restricted Subsidiaries to, directly or indirectly, create, incur, issue,
assume, guarantee or otherwise become directly or indirectly liable, contingently or otherwise (collectively, “incur” and collectively, an “incurrence”) with respect to any Indebtedness (including Acquired
Indebtedness) and Milacron will not issue any shares of Disqualified Stock and Milacron will not permit any Restricted Subsidiary to issue any shares of Disqualified Stock or Preferred Stock; provided, however, that Milacron may incur
Indebtedness (including Acquired Indebtedness), Milacron may issue shares of Disqualified Stock, and any Restricted Subsidiary or the Co-Issuer may incur Indebtedness (including Acquired Indebtedness), issue shares of Disqualified Stock and issue
shares of Preferred Stock, if the Fixed Charge Coverage Ratio on a consolidated basis for Milacron and its Restricted Subsidiaries for the most recently ended four fiscal quarters for which internal financial statements are available immediately
preceding the date on which such additional Indebtedness is incurred or such Disqualified Stock or Preferred Stock is issued would have been at least 2.0 to 1.0, determined on a pro forma basis (including a pro forma application of the net proceeds
therefrom), as if the additional Indebtedness had been incurred, or the Disqualified Stock or Preferred Stock had been issued, as the case may be, and the application of proceeds therefrom had occurred at the beginning of such four quarter period;
provided further that Restricted Subsidiaries (other than the Co-Issuer) that are not Guarantors may not incur 

  
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Indebtedness or issue Disqualified Stock or Preferred Stock if, after giving pro forma effect to such incurrence or issuance (including pro forma application of the net proceeds
therefrom), the aggregate amount of Indebtedness or Disqualified Stock or Preferred Stock of Restricted Subsidiaries (other than the Co-Issuer) that are not Guarantors outstanding pursuant to this paragraph and clause (x) of
Section 4.09(b)(xiii) exceeds the greater of (x) $50.0 million and (y) 3.0% of Total Assets. 
 (b) Notwithstanding the
foregoing subsection (a), Milacron and any of the Restricted Subsidiaries may incur the following Indebtedness: 
 (i) the
incurrence of Indebtedness under Credit Facilities by Milacron or any of the Restricted Subsidiaries and the issuance and creation of letters of credit and bankers’ acceptances thereunder (with letters of credit and bankers’ acceptances
being deemed to have a principal amount equal to the face amount thereof), up to an aggregate principal amount outstanding at any one time not to exceed the sum of (A) $300.0 million plus (B) the greater of (x) $120.0 million and
(y) the Borrowing Base as of the date of such incurrence, in each case, less the aggregate amount incurred and outstanding under a Receivables Facility incurred by a Receivables Subsidiary; 

(ii) the incurrence by the Issuers and any Guarantor of Indebtedness represented by the Notes and any Guarantee thereof
(excluding any Additional Notes and any Guarantee thereof); 
 (iii) Indebtedness of Milacron and the Restricted Subsidiaries
in existence on the Issue Date, including the Secured Notes (other than Indebtedness described in clauses (i) and (ii) of this Section 4.09(b)); 

(iv) Indebtedness (including Capitalized Lease Obligations and Purchase Money Obligations), Disqualified Stock and Preferred
Stock incurred by Milacron or any of the Restricted Subsidiaries, to finance the purchase, lease, construction, repair, replacement or improvement of property (real or personal) or equipment that is used or useful in a Similar Business, whether
through the direct purchase of assets or the Capital Stock of any Person owning such assets in an aggregate principal amount, together with any Refinancing Indebtedness in respect thereof and all other Indebtedness, Disqualified Stock and/or
Preferred Stock incurred and outstanding under this clause (iv), not to exceed at any time outstanding the greater of $50.0 million and 3.0% of Total Assets, including any refinancing pursuant to clause (xii) below; so long as such Indebtedness
(other than Refinancing Indebtedness) exists at the date of such purchase, lease, construction, repair, replacement or improvement of the relevant property or equipment, or is created within 270 days thereafter; 

(v) Indebtedness incurred by Milacron or any Restricted Subsidiary constituting reimbursement obligations with respect to
bankers’ acceptances and letters of credit issued in the ordinary course of business, including letters of credit in respect of workers’ compensation claims, unemployment insurance or similar obligations or legislation securing
unemployment insurance, health, disability or other employee benefits, or property, casualty or liability insurance, self-insurance or other similar obligations or other Indebtedness with respect to reimbursement type obligations regarding
workers’ compensation claims, or letters of credit in the nature of security deposit (or similar deposit or security) given to a lessor under an operating lease of real property under which such Person is lessee; provided,
however, that upon the drawing of such bankers’ acceptances and letters of credit or the incurrence of such Indebtedness, such obligations are reimbursed within 30 days following such drawing or incurrence; 

(vi) Indebtedness arising from agreements of Milacron or a Restricted Subsidiary providing for indemnification, adjustment of
purchase price or similar obligations, in each case, incurred or assumed in connection with any Investment, or any acquisition or disposition of any business, assets or a Subsidiary, other than guarantees of Indebtedness incurred by any Person
acquiring all or any portion of such business, assets or a Subsidiary for the purpose of financing such acquisition; provided, however, that the maximum assumable liability in respect of all such Indebtedness shall at no time exceed
the gross proceeds, including non-cash proceeds (the fair market value of such non-cash proceeds being measured at the time received without giving effect to any subsequent changes in value) actually received by Milacron and the Restricted
Subsidiaries in connection with such Investment, acquisition or disposition; 

  
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 (vii) Indebtedness of Milacron or a Restricted Subsidiary to Milacron or a
Restricted Subsidiary; provided that any such Indebtedness owing by Milacron or a Guarantor to a Restricted Subsidiary that is not a Guarantor is expressly subordinated in right of payment to the Notes or the Guarantee of the Notes, as the
case may be; provided further that any subsequent issuance or transfer of any Capital Stock or any other event which results in any Restricted Subsidiary ceasing to be a Restricted Subsidiary or any other subsequent transfer of any such
Indebtedness (except to Milacron or another Restricted Subsidiary or any pledge of such Indebtedness constituting a Permitted Lien) shall be deemed, in each case, to be an incurrence of such Indebtedness not permitted by this clause (vii); 

(viii) shares of Preferred Stock of a Restricted Subsidiary issued to Milacron or another Restricted Subsidiary,
provided that any subsequent issuance or transfer of any Capital Stock or any other event which results in any such Restricted Subsidiary ceasing to be a Restricted Subsidiary or any other subsequent transfer of any such shares of Preferred
Stock (except to Milacron or a Restricted Subsidiary or any pledge of such Preferred Stock constituting a Permitted Lien) shall be deemed in each case to be an issuance of such shares of Preferred Stock not permitted by this clause (viii); 

(ix) Hedging Obligations (excluding Hedging Obligations entered into for speculative purposes) for the purpose of limiting
interest rate risk with respect to any Indebtedness permitted to be incurred pursuant to this covenant, exchange rate risk or commodity pricing risk; 

(x) obligations in respect of trade and government contracts, customs, stay, performance, bid, appeal and surety bonds and
other similar types of bonds and performance and completion guarantees and other obligations of a like nature provided by Milacron or any of the Restricted Subsidiaries in the ordinary course of business; 

(xi) (a) Indebtedness, Disqualified Stock or Preferred Stock of Milacron or any Restricted Subsidiary in an aggregate principal
amount or liquidation preference, together with any Refinancing Indebtedness in respect thereof, equal to 100.0% of the net cash proceeds received by Milacron since immediately after the Issue Date from the issue or sale of Equity Interests of
Milacron or cash contributed to the capital of Milacron (in each case, other than Equity Interests the proceeds of which are used to fund the 2012 Transactions or the Mold-Masters Acquisition Transactions and proceeds of Disqualified Stock or sales
of Equity Interests to, or contributions received from, Milacron or any of the Subsidiaries) as determined in accordance with subsections 4.07(b)(iii)(2) and (3) to the extent such net cash proceeds or cash have not been applied pursuant to
such clauses to make Restricted Payments or to make other Investments, payments or exchanges pursuant to Section 4.07(c) or to make Permitted Investments (other than Permitted Investments specified in clauses (1) and (3) of the
definition thereof) and (b) Indebtedness, Disqualified Stock or Preferred Stock of Milacron or any Restricted Subsidiary not otherwise permitted hereunder in an aggregate principal amount or liquidation preference, which when aggregated with
the principal amount and liquidation preference of all other Indebtedness, Disqualified Stock and Preferred Stock then outstanding and incurred pursuant to this subsection (xi)(b), does not at any one time outstanding exceed $100.0 million (it being
understood that any Indebtedness, Disqualified Stock or Preferred Stock incurred pursuant to this subsection (xi)(b) shall cease to be deemed incurred or outstanding for purposes of this subsection (xi)(b) but shall be deemed incurred for the
purposes of Section 4.09(a) from and after the first date on which Milacron or such Restricted Subsidiary could have incurred such Indebtedness, Disqualified Stock or Preferred Stock under Section 4.09(a) without reliance on this
subsection (xi)(b)); 
 (xii) the incurrence by Milacron or any Restricted Subsidiary of Indebtedness, Disqualified Stock or
Preferred Stock which serves to refund, refinance, replace, renew, extend or defease: 
 (1) any Indebtedness, Disqualified
Stock or Preferred Stock incurred as permitted under Section 4.09(a) and Sections 4.09(b)(ii), (iii), (iv), (xi)(a), (xiii) and (xxii); or 

(2) any Indebtedness, Disqualified Stock or Preferred Stock issued to so refund, refinance, replace, renew, extend or defease
the Indebtedness, Disqualified Stock or Preferred Stock described in subclause (1) of the first proviso of Section 4.09(b)(xii); 

  
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 including, in each case, additional Indebtedness, Disqualified Stock or Preferred Stock incurred
to pay premiums (including tender premiums), defeasance costs, accrued interest and fees and expenses in connection therewith (collectively, the “Refinancing Indebtedness”) prior to its respective maturity; provided,
however, that such Refinancing Indebtedness: 
 (1) has a Weighted Average Life to Maturity at the time such
Refinancing Indebtedness is incurred which is not less than the remaining Weighted Average Life to Maturity of the Indebtedness, Disqualified Stock or Preferred Stock being refunded, refinanced, replaced, renewed, extended or defeased; 

(2) to the extent such Refinancing Indebtedness refinances (i) Indebtedness subordinated to or pari passu with the
Notes or any Guarantee thereof, such Refinancing Indebtedness is subordinated to or pari passu with the Notes or the Guarantee thereof at least to the same extent as the Indebtedness being refinanced or refunded or (ii) Disqualified
Stock or Preferred Stock, such Refinancing Indebtedness must be Disqualified Stock or Preferred Stock, respectively; and 

(3) shall not include: 

(A) Indebtedness, Disqualified Stock or Preferred Stock of a Restricted Subsidiary that is not a Guarantor that refinances
Indebtedness, Disqualified Stock or Preferred Stock of Milacron; 
 (B) Indebtedness, Disqualified Stock or Preferred Stock
of a Restricted Subsidiary that is not a Guarantor that refinances Indebtedness, Disqualified Stock or Preferred Stock of a Guarantor; or 

(C) Indebtedness, Disqualified Stock or Preferred Stock of Milacron or a Restricted Subsidiary that refinances Indebtedness,
Disqualified Stock or Preferred Stock of an Unrestricted Subsidiary; 
 and provided further that subclause (1) of the first
proviso of this clause (xii) will not apply to any refunding, refinancing, replacing, renewing, extending or defeasing of Indebtedness under a Credit Facility; 

(xiii) Indebtedness, Disqualified Stock or Preferred Stock of (x) Milacron, the Co-Issuer or a Restricted Subsidiary
incurred to finance an acquisition, merger, consolidation or amalgamation or (y) Persons that are acquired by Milacron or any Restricted Subsidiary or merged into Milacron or a Restricted Subsidiary in accordance with the terms of this Indenture or
that is assumed by Milacron or any Restricted Subsidiary in connection with such acquisition; provided that in the case of this clause (y), such Indebtedness was not created or incurred with, or in contemplation of, such acquisition, merger,
consolidation or amalgamation; provided further that after giving effect to such acquisition, merger, consolidation or amalgamation: 

(1) Milacron would be permitted to incur at least $1.00 of additional Indebtedness pursuant to the Fixed Charge Coverage Ratio
test set forth in Section 4.09(a); or 
 (2) the Fixed Charge Coverage Ratio of Milacron would be greater than
immediately prior to such acquisition or merger, consolidation or amalgamation; 
 and provided further that on a pro forma
basis, together with amounts incurred and outstanding pursuant to the second proviso to Section 4.09(a), the aggregate amount of Indebtedness, Disqualified Stock or Preferred Stock at any one time outstanding and incurred by Restricted
Subsidiaries (other than the Co-Issuer) that are not Guarantors pursuant to clause (x) of Section 4.09(b)(xiii) shall not exceed the greater of (x) $50.0 million and (y) 3.0% of Total Assets; 

  
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 (xiv) Indebtedness arising from the honoring by a bank or other financial
institution of a check, draft or similar instrument drawn against insufficient funds in the ordinary course of business, provided that such Indebtedness is extinguished within five Business Days of its incurrence; 

(xv) Indebtedness of Milacron or any of its Restricted Subsidiaries supported by a letter of credit issued pursuant to the
Credit Facilities, in a principal amount not in excess of the stated amount of such letter of credit; 
 (xvi) (1) any
guarantee by Milacron or a Restricted Subsidiary of Indebtedness or other obligations of any Restricted Subsidiary so long as the incurrence of such Indebtedness incurred by such Restricted Subsidiary is permitted under the terms of this Indenture;
or 
 (2) any guarantee by a Restricted Subsidiary of Indebtedness of Milacron; provided that such Restricted
Subsidiary shall comply with Section 4.15; 
 (xvii) Indebtedness, Disqualified Stock or Preferred Stock of Foreign
Subsidiaries of Milacron in an amount not to exceed at any one time outstanding the greater of $50.0 million and 5.0% of Total Assets of Foreign Subsidiaries that are Restricted Subsidiaries; 

(xviii) Indebtedness issued by Milacron or any of the Restricted Subsidiaries to future, current or former officers, directors,
employees, members of management and consultants thereof or any direct or indirect parent thereof, their respective estates, heirs, family members, spouses or former spouses, domestic partners or former domestic partners, in each case to finance the
repurchase or redemption or other acquisition or retirement for value of Equity Interests of Milacron, a Restricted Subsidiary or any of their respective direct or indirect parent companies to the extent described in Section 4.07(c)(iv); 

(xix) Cash Management Obligations and Indebtedness in respect of netting services, overdraft facilities, employee credit card
programs, or similar arrangements in connection with cash management and deposit accounts; 
 (xx) Indebtedness of Milacron
or any Restricted Subsidiary consisting of (i) the financing of insurance premiums, (ii) take-or-pay obligations contained in supply arrangements or (iii) guarantees of the obligations of suppliers, customers, franchises and licenses,
in each case, in the ordinary course of business; 
 (xxi) Indebtedness incurred by a Restricted Subsidiary in connection
with letters of credit, bankers’ acceptances, bank guarantees, discounted bills of exchange or the discounting or factoring of receivables for credit management purposes, in each case incurred or undertaken in the ordinary course of business on
arm’s length commercial terms on a recourse basis; 
 (xxii) the incurrence of Indebtedness under the Existing Foreign
Facilities, together with any Refinancing Indebtedness in respect thereof, in an amount not to exceed $38.0 million; 

(xxiii) Indebtedness incurred on behalf of, or representing guarantees of Indebtedness of, joint ventures of Milacron or any
Restricted Subsidiary not to exceed, at any one time outstanding, $10.0 million; and 
 (xxiv) Indebtedness representing
deferred compensation or other similar arrangements to directors, officers, employees, members of management or consultants of Milacron, any direct or indirect parent company of Milacron or any Restricted Subsidiary incurred in the ordinary course
of business or in connection with the 2012 Transactions or the Mold-Masters Acquisition Transactions (including as a result of the cancellation or vesting of outstanding options and other equity-based awards in connection therewith), an acquisition
or any other Investment permitted or not restricted under this Indenture. 

  
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 (c) For purposes of determining compliance with this covenant: 

(i) in the event that an item of Indebtedness, Disqualified Stock or Preferred Stock (or any portion thereof) meets the
criteria of more than one of the categories of permitted Indebtedness, Disqualified Stock or Preferred Stock described in Sections 4.09(b)(i) through 4.09(b)(xxiv) or is entitled to be incurred pursuant to Section 4.09(a), Milacron, in its sole
discretion, may classify or reclassify, or later divide, classify or reclassify, such item of Indebtedness, Disqualified Stock or Preferred Stock (or any portion thereof) and will only be required to include the amount and type of such Indebtedness,
Disqualified Stock or Preferred Stock in one of the above clauses; provided that all Indebtedness outstanding under the ABL Credit Agreement and the Term Loan Credit Agreement on the Issue Date will be treated as incurred on the Issue Date
under Section 4.09(b)(i) and may not later be reclassified; 
 (ii) at the time of incurrence or reclassification,
Milacron will be entitled to divide and classify an item of Indebtedness in more than one of the types of Indebtedness described in Section 4.09(a) or (b) and shall be entitled to treat a portion of such Indebtedness as having been
incurred under Section 4.09(a) and thereafter the remainder of such Indebtedness having been incurred under Section 4.09(b); and 

(iii) the amount of any Indebtedness that is issued at a price that is less than the principal amount thereof shall be equal to
the amount of liability in respect thereof determined in accordance with GAAP. 
 (d) Accrual of interest or dividend, the accretion of
accreted value, the accretion of original issue discount or liquidation preference or the amortization of original discount and increases in the amount of Indebtedness outstanding solely as a result of fluctuations in the exchange rate of currencies
and the payment of interest or dividends in the form of additional Indebtedness, Disqualified Stock or Preferred Stock, as applicable, will not be deemed in each case to be an incurrence of Indebtedness, Disqualified Stock or Preferred Stock for
purposes of this covenant. Guarantees of, or obligations in respect of undrawn letters of credit relating to, Indebtedness that is otherwise included in the determination of a particular amount of Indebtedness shall not be included in the
determination of such amount of Indebtedness; provided that the incurrence of the Indebtedness represented by such guarantee or letter of credit, as the case may be, was in compliance with this covenant. 

(e) For purposes of determining compliance with any U.S. dollar-denominated restriction on the incurrence of Indebtedness, the U.S.
dollar-equivalent principal amount of Indebtedness denominated in a foreign currency shall be calculated based on the relevant currency exchange rate in effect on the date such Indebtedness was incurred, in the case of term debt, or first committed,
in the case of revolving credit debt; provided that if such Indebtedness is incurred to refinance other Indebtedness denominated in a foreign currency, and such refinancing would cause the applicable U.S. dollar-denominated restriction to be
exceeded if calculated at the relevant currency exchange rate in effect on the date of such refinancing, such U.S. dollar-denominated restriction shall be deemed not to have been exceeded so long as the principal amount of such refinancing
Indebtedness does not exceed the principal amount of such Indebtedness being refinanced. 
 (f) The principal amount of any Indebtedness
incurred to refinance other Indebtedness, if incurred in a different currency from the Indebtedness being refinanced, shall be calculated based on the currency exchange rate applicable to the currencies in which such respective Indebtedness is
denominated that is in effect on the date of such refinancing. 
 (g) Milacron will not, and will not permit any Guarantor to, directly or
indirectly, incur any Indebtedness (including Acquired Indebtedness) that is subordinated or junior in right of payment to any Indebtedness of Milacron or such Guarantor, as the case may be, unless such Indebtedness is expressly subordinated in
right of payment to the Notes or such Guarantor’s Guarantee to the extent and in the same manner as such Indebtedness is subordinated to other Indebtedness of Milacron or such Guarantor, as the case may be. For purposes of this Indenture
(i) unsecured Indebtedness will not be treated as subordinated or junior to Secured Indebtedness merely because it is unsecured or (ii) Senior Indebtedness will not be treated as subordinated or junior to any other Senior Indebtedness
merely because it has a junior priority with respect to the same collateral. 

  
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 Section 4.10. ASSET
SALES 
 (I) (a) Milacron will not, and will not permit any Restricted
Subsidiary to consummate, directly or indirectly, an Asset Sale, unless: 
 (i) Milacron or such Restricted Subsidiary, as
the case may be, receives consideration at the time of such Asset Sale at least equal to the fair market value (as determined in good faith by Milacron) of the assets sold or otherwise disposed of; and 

(ii) except in the case of a Permitted Asset Swap, at least 75% of the consideration therefor received by Milacron or such
Restricted Subsidiary, as the case may be, is in the form of cash or Cash Equivalents (as defined in (II) below). 
 (b) Within 365 days
after the receipt of any Net Proceeds of any Asset Sale covered by Section 4.10(I)(a), Milacron or such Restricted Subsidiary, at its option, may apply the Net Proceeds from such Asset Sale: 

(i) to permanently reduce (i) Obligations under Senior Indebtedness that is secured by a Lien, which Lien is permitted by
Section 4.12 hereof, and to correspondingly reduce commitments with respect thereto or (ii) Obligations under unsecured Senior Indebtedness of the Issuers or a Guarantor (and to correspondingly reduce commitments with respect thereto);
provided that if any such unsecured Senior Indebtedness other than the Notes is reduced with the Net Proceeds of any Asset Sale, the Issuers shall equally and ratably reduce Obligations under the Notes as provided under Section 3.07
through open market purchases (to the extent such purchases are at or above 100% of the principal amount thereof) or by making an offer (in accordance with the procedures set forth below for any Asset Sale Offer) to all Holders to purchase their
Notes at 100% of the principal amount thereof, plus accrued but unpaid interest, if any; 
 (ii) to make (A) an
Investment in any one or more businesses, provided that such Investment in any business is in the form of the acquisition of Capital Stock and results in Milacron or a Restricted Subsidiary, as the case may be, owning an amount of the Capital
Stock of such business such that it constitutes a Restricted Subsidiary, (B) capital expenditures or (C) acquisitions of other assets that are, in each of (A), (B) and (C), used or useful in a Similar Business, or replace the
businesses, properties and/or assets that are the subject of such Asset Sale; or 
 (iii) to permanently reduce Indebtedness
of a Restricted Subsidiary that is not a Guarantor, other than Indebtedness owed to an Issuer, a Guarantor or a Restricted Subsidiary; 
 provided
that, in the case of subsection (ii) above, a binding commitment shall be treated as a permitted application of the Net Proceeds from the date of such commitment so long as Milacron or such Restricted Subsidiary enters into such commitment with
the good faith expectation that such Net Proceeds will be applied to satisfy such commitment within 180 days of such commitment (an “Acceptable Commitment”) and, in the event any Acceptable Commitment is later cancelled or
terminated for any reason before the Net Proceeds are applied in connection therewith, then such Net Proceeds shall constitute Excess Proceeds. 

(c) Any Net Proceeds from the Asset Sales covered by this clause (I) that are not invested or applied as provided and within the time
period set forth in Section 4.10(I)(b) shall be deemed to constitute “Excess Proceeds.” When the aggregate amount of Excess Proceeds exceeds $25.0 million, Milacron shall make an offer (an “Asset Sale Offer”)
to all Holders and all holders of other Indebtedness that is pari passu with the Notes and is also unsecured containing provisions similar to those set forth in this Indenture to purchase or redeem with the proceeds of sales of assets to purchase
the maximum aggregate principal amount of the Notes and other such pari passu and unsecured Indebtedness that may be purchased out of the Excess Proceeds. The offer price in any Asset Sale Offer will be equal to 100% of the principal amount thereof,
plus accrued and unpaid interest, if any, to, but not including, the date fixed for the closing of such offer, in accordance with the procedures set forth in this Indenture; provided that no Notes of $2,000 or less can be repurchased in part.
Milacron will commence an Asset Sale Offer with respect to Excess Proceeds within ten Business Days after the date that Excess Proceeds exceed $25.0 million by giving the notice required pursuant to the terms of this Indenture, with a copy to the
Trustee. 

  
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 (d) To the extent that the aggregate principal amount of Notes and other pari passu Indebtedness
tendered pursuant to an Asset Sale Offer is less than the Excess Proceeds, Milacron may use any remaining Excess Proceeds for general corporate purposes, subject to other covenants contained in this Indenture. If the aggregate principal amount of
Notes and other pari passu Indebtedness tendered pursuant to such Asset Sale Offer exceeds the amount of Excess Proceeds, the Trustee shall select the Notes to be purchased on a pro rata basis based on the principal amount of the Notes tendered.
Upon completion of any such Asset Sale Offer, the amount of Excess Proceeds shall be reset at zero (or, in the case of Notes in global form, the Trustee will select Notes for repurchase based on DTC’s method that most nearly approximates a pro
rata selection or by such other method that the Trustee shall deem fair and appropriate). 
 (II) For purposes of this Section 4.10, the
following are deemed to be cash or Cash Equivalents: 
 (a) any liabilities (as shown on Milacron’s, or such Restricted
Subsidiary’s, most recent balance sheet or in the notes thereto or if incurred or accrued subsequent to the date of such balance sheet, such liabilities that would have been shown on Milacron or such Restricted Subsidiary’s balance sheet
or in the footnotes thereto) of Milacron or any Restricted Subsidiary, other than liabilities that are by their terms subordinated to the Notes, that are assumed by the transferee of any such assets and for which Milacron and all Restricted
Subsidiaries have been validly released by all creditors in writing; 
 (b) any securities received by Milacron or such
Restricted Subsidiary from such transferee that are converted by Milacron or such Restricted Subsidiary into cash (to the extent of the cash received) within 180 days following the closing of such Asset Sale; and 

(c) any Designated Non-cash Consideration received by Milacron or such Restricted Subsidiary in such Asset Sale having an
aggregate fair market value, taken together with all other Designated Non-cash Consideration received pursuant to this clause (iii) that is at that time outstanding, not to exceed the greater of (x) $50.0 million and (y) 3.0% of Total
Assets at the time of the receipt of such Designated Non-cash Consideration, with the fair market value of each item of Designated Non-cash Consideration being measured at the time received and without giving effect to subsequent changes in value.

 (III) Milacron will comply with the requirements of Rule 14e-1 under the Exchange Act and any other securities laws and regulations
thereunder to the extent such laws or regulations are applicable in connection with the repurchase of Notes pursuant to an Asset Sale Offer. To the extent that the provisions of any securities laws or regulations conflict with the provisions of this
Indenture, Milacron will comply with the applicable securities laws and regulations and shall not be deemed to have breached its obligations described in this Section 4.10 by virtue of such compliance. 

Section 4.11. AFFILIATE TRANSACTIONS 

(a) Milacron will not, and will not permit any of the Restricted Subsidiaries to, make any payment to, or sell, lease, transfer or otherwise
dispose of any of its properties or assets to, or purchase any property or assets from, or enter into or make or amend any transaction, contract, agreement, understanding, loan, advance or guarantee with, or for the benefit of, any Affiliate of
Milacron (each of the foregoing, an “Affiliate Transaction”) involving aggregate payments or consideration in excess of $10.0 million, unless: 

(i) such Affiliate Transaction is on terms that are not materially less favorable to Milacron or the relevant Restricted
Subsidiary than those that would have been obtained in a comparable transaction by Milacron or such Restricted Subsidiary with an unrelated Person; and 

  
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 (ii) Milacron delivers to the Trustee with respect to any Affiliate Transaction
or series of related Affiliate Transactions involving aggregate payments or consideration in excess of $25.0 million, a Board Resolution adopted by the majority of the Board of Directors of Milacron approving such Affiliate Transaction and set forth
in an Officer’s Certificate certifying that such Affiliate Transaction complies with clause (i) above. 
 (b) The provisions of
Section 4.11(a) will not apply to: 
 (i) transactions between or among Milacron or any of the Restricted Subsidiaries
(or an entity that becomes a Restricted Subsidiary as a result of such transaction) or between or among Restricted Subsidiaries; 

(ii) Restricted Payments permitted by the provisions of this Indenture described above under Section 4.07 and Permitted
Investments; 
 (iii) the payment of management, consulting, monitoring, transaction, advisory and termination fees and
related expenses and indemnities, directly or indirectly, to the Investors pursuant to the Financial Advisory Agreement (plus any unpaid management, consulting, monitoring, transaction, advisory and termination fees and related expenses and
indemnities accrued in any prior year); 
 (iv) the payment of reasonable and customary fees paid to, and indemnities
provided on behalf of, officers, directors, employees, members of management or consultants of Milacron, any of Milacron’s direct or indirect parent companies or any of the Restricted Subsidiaries; 

(v) transactions in which Milacron or any of the Restricted Subsidiaries, as the case may be, delivers to the Trustee a letter
from an Independent Financial Advisor stating that such transaction is fair to Milacron or such Restricted Subsidiary from a financial point of view or stating that the terms are not materially less favorable to Milacron or the relevant Restricted
Subsidiary than those that would have been obtained in a comparable transaction by Milacron or such Restricted Subsidiary with an unrelated Person; 

(vi) any agreement as in effect as of the Issue Date (other than the Financial Advisory Agreement), or any amendment thereto
(so long as any such amendment is not disadvantageous in any material respect to the Holders when taken as a whole as compared to the applicable agreement as in effect on the Issue Date); 

(vii) the existence of, or the performance by Milacron or any of the Restricted Subsidiaries of its obligations under the terms
of, any stockholders agreement, principal investors agreement (including any registration rights agreement or purchase agreement related thereto) to which it was a party as of the Issue Date and any similar agreements which it may enter into
thereafter; provided, however, that the existence of, or the performance by Milacron or any of the Restricted Subsidiaries of obligations under any future amendment to any such existing agreement or under any similar agreement entered
into after the Issue Date shall only be permitted by this subsection (b)(vii) to the extent that the terms of any such amendment or new agreement are not otherwise disadvantageous in any material respect to the Holders when taken as a whole; 

(viii) the Mold-Masters Acquisition Transactions and the payment of all fees and expenses related to the Mold-Masters
Acquisition Transactions; 
 (ix) transactions with customers, clients, suppliers, or purchasers or sellers of goods or
services, in each case in the ordinary course of business and otherwise in compliance with the terms of this Indenture which are fair to Milacron and the Restricted Subsidiaries, in the reasonable determination of the Board of Directors of Milacron
or the senior management thereof, or are on terms at least as favorable as might reasonably have been obtained at such time from an unaffiliated party; 

(x) the issuance of Equity Interests (other than Disqualified Stock) by Milacron or a Restricted Subsidiary to any Person; 

  
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 (xi) sales of accounts receivable, or participations therein, in connection with
any Receivables Facility; 
 (xii) payments by Milacron or any of the Restricted Subsidiaries to any of the Investors made
for any financial advisory, financing, underwriting or placement services or in respect of other investment banking activities, including, without limitation, in connection with acquisitions or divestitures which payments are approved by a majority
of the Board of Directors of Milacron in good faith; 
 (xiii) payments, loans (or cancellation of loans) or advances to
directors, officers, employees, members of management or consultants (or the estate, heirs, family members, spouse, former spouse, domestic partner or former domestic partner of any of the foregoing) of Milacron, any of the direct or indirect parent
companies or any of its Subsidiaries and employment agreements, severance arrangements, stock option plans and other similar arrangements with such employees, members of management or consultants (or the estate, heirs, family members, spouse, former
spouse, domestic partner or former domestic partner of any of the foregoing) which, in each case, are approved by a majority of the Board of Directors of Milacron in good faith; 

(xiv) investments by the Investors in debt securities of Milacron or any of the Restricted Subsidiaries (and payment of
reasonable out-of-pocket expenses incurred by the Investors in connection therewith); 
 (xv) the issuances of securities or
other payments, awards or grants in cash, securities or otherwise pursuant to, or the funding of, employment arrangements, stock option and stock ownership plans or similar employee benefit plans approved by the Board of Directors of Milacron or any
direct or indirect parent company of Milacron or a Subsidiary of Milacron, as appropriate, in good faith; 
 (xvi) any
contribution to the capital of Milacron; 
 (xvii) pledges of Equity Interests of Unrestricted Subsidiaries; and 

(xviii) transactions with joint ventures or Unrestricted Subsidiaries entered into in the ordinary course of business which are
fair to Milacron and the Restricted Subsidiaries, in the reasonable determination of the Board of Directors of Milacron or the senior management thereof, or are on terms at least as favorable as might reasonably have been obtained at such time from
an unaffiliated party. 
 Section 4.12. LIENS 

(a) Milacron will not, and will not permit any Restricted Subsidiary to, directly or indirectly, create, incur, assume or suffer to exist any
Lien (each, a “Subject Lien”) that secures obligations under any Indebtedness, on any asset or property of Milacron or any Restricted Subsidiary, or any income or profits therefrom, or assign or convey any right to receive income
therefrom, except Permitted Liens, unless: 
 (i) in the case of Subject Liens securing subordinated Indebtedness, the Notes
and related Guarantees are secured by a Lien on such asset or property that is senior in priority to such Subject Lien; and 

(ii) in all other cases, the Notes or the Guarantees are equally and ratably secured. 

(b) Any Lien created for the benefit of the Holders pursuant to Section 4.12(a)(i) or (ii) shall provide by its terms that such Lien
shall automatically and unconditionally be released and discharged upon the release and discharge of the initial Lien that gave rise to the obligation to secure the Notes. 

  
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 Section 4.13. CORPORATE
EXISTENCE 
 Subject to Article V hereof, the Issuers shall do or cause to be
done all things necessary to preserve and keep in full force and effect (i) limited liability company existence with respect to Milacron and corporate existence with respect to the Co-Issuer, and the corporate, partnership, limited liability
company or other existence of each Restricted Subsidiary, in accordance with the respective organizational documents (as the same may be amended from time to time) of the Issuers or any such Restricted Subsidiary and (ii) the material rights
(charter and statutory), licenses and franchises of the Issuers and the Restricted Subsidiaries; provided, however, that the Issuers shall not be required to preserve any such right, license or franchise, or the corporate, partnership,
limited liability company or other existence of any Restricted Subsidiary, if the Board of Directors of Milacron shall determine that the preservation thereof is no longer desirable in the conduct of the business of Milacron and the Restricted
Subsidiaries, taken as a whole. 
 Section 4.14. REPURCHASE AT THE
OPTION OF HOLDERS UPON A CHANGE OF CONTROL 

(a) If a Change of Control occurs, unless the Issuers have previously or concurrently given a redemption notice with respect to all the
outstanding Notes as described under Section 3.07 hereof, the Issuers shall make an offer to purchase all of the Notes pursuant to the offer described below (the “Change of Control Offer”) at a price in cash (the
“Change of Control Payment”) equal to 101% of the aggregate principal amount thereof plus accrued and unpaid interest to, but not including, the date of purchase, subject to the right of Holders of the Notes of record on the
relevant Record Date to receive interest due on the relevant Interest Payment Date. Within 30 days following any Change of Control, the Issuers shall send notice of such Change of Control Offer electronically or by first-class mail (or otherwise
deliver in accordance with applicable DTC procedures), with a copy to the Trustee, to each Holder of Notes to the address of such Holder appearing in the Note Register or otherwise in accordance with Applicable Procedures, with the following
information: 
 (i) that a Change of Control Offer is being made pursuant to this Section 4.14 and that all Notes
properly tendered pursuant to such Change of Control Offer will be accepted for payment by the Issuers; 
 (ii) the purchase
price and the purchase date, which will be no earlier than 30 days nor later than 60 days from the date such notice is given (the “Change of Control Payment Date”); 

(iii) that any Note not properly tendered will remain outstanding and continue to accrue interest; 

(iv) that unless the Issuers default in the payment of the Change of Control Payment, all Notes accepted for payment pursuant
to the Change of Control Offer will cease to accrue interest on the Change of Control Payment Date; 
 (v) that Holders
electing to have any Notes purchased pursuant to a Change of Control Offer will be required to surrender such Notes, with the form entitled “Option of Holder to Elect Purchase” on the reverse of such Notes completed, to the Paying Agent
specified in the notice at the address specified in the notice prior to the close of business on the third Business Day preceding the Change of Control Payment Date; 

(vi) that Holders will be entitled to withdraw their tendered Notes and their election to require the Issuers to purchase such
Notes, provided that the Paying Agent receives, not later than the close of business on the fifth Business Day preceding the Change of Control Payment Date, a facsimile transmission or letter setting forth the name of the Holder of the Notes,
the principal amount of such Notes tendered for purchase, and a statement that such Holder is withdrawing its tendered Notes and its election to have such Notes purchased; 

  
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 (vii) that the Holders whose Notes are being repurchased only in part will be
issued new Notes equal in principal amount to the unpurchased portion of the Notes surrendered (the unpurchased portion of the Notes must be equal to a minimum of $2,000 or an integral multiple of $1,000 in principal amount); 

(viii) the other instructions, as determined by the Issuers, consistent with the covenant described hereunder, that a Holder
must follow; and 
 (ix) if such notice is sent prior to the occurrence of a Change of Control, stating that the Change of
Control Offer is conditional upon the occurrence of such Change of Control. 
 The notice, if sent in a manner herein provided, shall be
conclusively presumed to have been given, whether or not the Holder receives such notice. If (a) the notice is sent in a manner herein provided and (b) any Holder fails to receive such notice or a Holder receives such notice but it is
defective, such Holder’s failure to receive such notice or such defect shall not affect the validity of the proceedings for the purchase of the Notes as to all other Holders that properly received such notice without defect. The Issuers shall
comply with the requirements of Rule 14e-1 under the Exchange Act and any other securities laws and regulations thereunder to the extent such laws or regulations are applicable in connection with the repurchase of Notes pursuant to a Change of
Control Offer. To the extent that the provisions of any securities laws or regulations conflict with the provisions of this Indenture, the Issuers will comply with the applicable securities laws and regulations and shall not be deemed to have
breached their obligations described in this Indenture by virtue thereof. 
 (b) On the Change of Control Payment Date, the Issuers shall,
to the extent permitted by law, 
 (i) accept for payment all Notes or portions thereof properly tendered pursuant to
the Change of Control Offer, 
 (ii) deposit with the Paying Agent an amount equal to the aggregate Change of Control Payment
in respect of all Notes or portions thereof so tendered, and 
 (iii) deliver, or cause to be delivered, to the Trustee for
cancellation the Notes so accepted together with an Officer’s Certificate to the Trustee stating that such Notes or portions thereof have been tendered to and purchased by the Issuers. 

(c) The Issuers shall not be required to make a Change of Control Offer following a Change of Control if a third party makes the Change of
Control Offer in the manner, at the times and otherwise in compliance with the requirements set forth in this Indenture applicable to a Change of Control Offer made by the Issuers and purchases all Notes validly tendered and not withdrawn under such
Change of Control Offer. Notwithstanding anything to the contrary herein, a Change of Control Offer may be made in advance of a Change of Control, conditional upon such Change of Control, if a definitive agreement is in place for the Change of
Control at the time of making of the Change of Control Offer. 
 (d) Other than as specifically provided in this Section 4.14, any
purchase pursuant to this Section 4.14 shall be made pursuant to the provisions of Sections 3.02, 3.05 and 3.06 hereof, and references therein to “redeem,” “redemption” and similar words shall be deemed to refer to
“purchase,” “repurchase” and similar words, as applicable. 
 Section 4.15.
GUARANTEES OF INDEBTEDNESS BY RESTRICTED SUBSIDIARIES 

Milacron will not permit any Restricted Subsidiary that is a Wholly-Owned Subsidiary of Milacron (and non-Wholly Owned Subsidiaries if such
non-Wholly Owned Subsidiaries guarantee other capital markets debt securities of Milacron or a Guarantor), other than a Guarantor or a Foreign Subsidiary or a special purpose Restricted Subsidiary formed in connection with a Receivables Facility, to
guarantee the payment of or become an obligor under any Indebtedness of Milacron, the Co-Issuer or any other Guarantor unless such Restricted Subsidiary within 30 days executes and delivers a supplemental indenture to this Indenture providing for a

  
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Guarantee by such Restricted Subsidiary, except that with respect to a guarantee of Indebtedness of Milacron or any Guarantor: 

(a) if the Notes or such Guarantor’s Guarantee are subordinated in right of payment to such Indebtedness, the Guarantee
under the supplemental indenture shall be subordinated to such Restricted Subsidiary’s guarantee with respect to such Indebtedness substantially to the same extent as the Notes are subordinated to such Indebtedness; and 

(b) if such Indebtedness is by its express terms subordinated in right of payment to the Notes or such Guarantor’s
Guarantee, any such guarantee by such Restricted Subsidiary with respect to such Indebtedness shall be subordinated in right of payment to such Guarantee substantially to the same extent as such Indebtedness is subordinated to the Notes or such
Guarantor’s Guarantee; provided that this sentence shall not be applicable to any guarantee of any Restricted Subsidiary that existed at the time such Person became a Restricted Subsidiary and was not incurred in connection with, or in
contemplation of, such Person becoming a Restricted Subsidiary. 
 Section 4.16. RESTRICTIONS
ON ACTIVITIES OF THE CO-ISSUER 

The Co-Issuer shall not hold any material assets, become liable for any material obligations or engage in any business activities or
operations; provided that the Co-Issuer may (i) be a co-obligor with respect to Indebtedness (including, for the avoidance of doubt, the Notes and the Secured Notes) if Milacron is a primary obligor on such Indebtedness, the net proceeds
of such Indebtedness are received by Milacron or one or more of the Restricted Subsidiaries and such Indebtedness is otherwise permitted to be incurred under this Indenture and (ii) guarantee any Obligations under the ABL Credit Agreement, the
Term Loan Credit Agreement or any other Credit Facilities Debt. 
 Section 4.17. MAINTENANCE
OF PROPERTIES 
 The Issuers shall, and shall cause each of
the Restricted Subsidiaries to at all times maintain, preserve and protect all property material to the conduct of their business and keep such property in good repair, working order and condition, except as would not have a material adverse effect
on the ability of the Issuers and the Guarantors to satisfy their obligations under this Indenture and the Notes. 
 ARTICLE V 

SUCCESSORS 

Section 5.01. MERGER, CONSOLIDATION AND SALE
OF ALL OR SUBSTANTIALLY ALL ASSETS 

(a) Milacron shall not consolidate or merge with or into or wind up into (whether or not Milacron is the surviving corporation), and may not
sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of the properties or assets of Milacron and its Restricted Subsidiaries, taken as a whole, in one or more related transactions, to any Person unless: 

(i) Milacron is the surviving corporation or the Person formed by or surviving any such consolidation or merger (if other than
Milacron) or the Person into whom Milacron is wound up or to whom such sale, assignment, transfer, lease, conveyance or other disposition will have been made is organized or existing under the laws of the United States, any state thereof or the
District of Columbia (Milacron or such Person, as the case may be, being herein called the “Successor”); provided that in the case where the Successor is not a corporation, a co-obligor of the Notes is a corporation; 

(ii) the Successor, if other than Milacron, expressly assumes all the obligations of Milacron under the Notes pursuant to a
supplemental indenture or other documents or instruments; 
 (iii) immediately after such transaction, no Default shall have
occurred and be continuing; 

  
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 (iv) immediately after giving pro forma effect to such transaction and any
related financing transactions, as if such transactions had occurred at the beginning of the applicable four-quarter period, either: 

(1) the Successor would be permitted to incur at least $1.00 of additional Indebtedness pursuant to the Fixed Charge Coverage
Ratio test set forth in Section 4.09(a); or 
 (2) the Fixed Charge Coverage Ratio for the Successor, Milacron and its
Restricted Subsidiaries would be equal to or greater than such Fixed Charge Coverage Ratio for Milacron and the Restricted Subsidiaries immediately prior to such transaction; 

(v) each Guarantor, unless it is the other party to the transactions described above, in which case Section 5.01(d)(i)(2)
shall apply, shall have by supplemental indenture confirmed that its Guarantee shall apply to such Person’s obligations under this Indenture and the Notes; and 

(vi) Milacron shall have delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating that
such consolidation, merger, sale, assignment, transfer, lease, conveyance or other disposition and such supplemental indentures, if any, comply with this Indenture. 

The Successor, if other than Milacron, will succeed to, and be substituted for, Milacron under this Indenture and the Notes and in such event
Milacron will automatically be released and discharged from its obligations under this Indenture and the Notes. 
 (b) The Co-Issuer may not
consolidate or merge with or into or wind up into (whether or not the Co-Issuer is the surviving corporation), and may not sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of the properties or assets of the
Co-Issuer and its Restricted Subsidiaries, taken as a whole, in one or more related transactions, to any Person unless: 

(i) the Co-Issuer is the surviving corporation or the Person formed by or surviving any such consolidation or merger (if other
than the Co-Issuer) or the Person into whom the Co-Issuer is wound up or to whom such sale, assignment, transfer, lease, conveyance or other disposition will have been made is organized or existing under the laws of the United States, any state
thereof or the District of Columbia (the Co-Issuer or such Person, as the case may be, being herein called the “Successor Company”); provided that in the case where the Successor Company is not a corporation, a co-obligor of the
Notes is a corporation; 
 (ii) the Successor Company, if other than the Co-Issuer, expressly assumes all the obligations of
the Co-Issuer under the Notes pursuant to a supplemental indenture or other documents or instruments; 
 (iii) immediately
after such transaction, no Default shall have occurred and be continuing; 
 (iv) each Guarantor, unless it is the other
party to the transactions described above, in which case clause (d)(i)(2) shall apply, shall have by supplemental indenture confirmed that its Guarantee shall apply to such Person’s obligations under this Indenture and the Notes; and 

(v) the Co-Issuer shall have delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating
that such consolidation, merger, sale, assignment, transfer, lease, conveyance or other disposition and such supplemental indentures, if any, comply with this Indenture. 

The Successor Company, if other than the Co-Issuer, shall succeed to, and be substituted for, the Co-Issuer under this Indenture and the Notes
and in such event the Co-Issuer will automatically be released and discharged from its obligations under this Indenture and the Notes. 

  
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 (c) Notwithstanding the foregoing subsections (a)(iii), (a)(iv) and (b)(iii): 

(x) any Issuer or a Restricted Subsidiary may consolidate with or merge into or wind-up into or sell, assign, transfer, lease,
convey or otherwise dispose of all or part of its properties and assets into any Issuer or any Guarantor; 
 (y) any Issuer
may merge with an Affiliate of an Issuer solely for the purpose of reorganizing an Issuer in a State of the United States or the District of Columbia so long as the amount of Indebtedness of Milacron and its Restricted Subsidiaries is not increased
thereby; and 
 (z) the Co-Issuer may consolidate with or merge into or wind up into or sell, assign, transfer, lease, convey
or otherwise dispose of all or part of its properties and assets to Milacron or a Guarantor provided that Milacron is, at such time, a corporation. 

(d) Subject to certain limitations described in this Indenture governing release of a Guarantee upon the sale, disposition or transfer of a
guarantor, no Guarantor will, and the Issuers will not permit any Guarantor to, consolidate or merge with or into or wind up into (whether or not Milacron or Guarantor is the surviving corporation), or sell, assign, transfer, lease, convey or
otherwise dispose of all or substantially all of its properties or assets, in one or more related transactions, to any Person unless: 

(i) (1) such Guarantor is the surviving corporation or the Person formed by or surviving any such consolidation or merger (if
other than such Guarantor) or into whom such Guarantor is wound up or to which such sale, assignment, transfer, lease, conveyance or other disposition will have been made is organized or existing under the laws of the jurisdiction of organization of
such Guarantor, as the case may be, or the laws of the United States, any state thereof, or the District of Columbia (such Guarantor or such Person, as the case may be, being herein called the “Successor Person”); 

(2) the Successor Person, if other than such Guarantor, expressly assumes all the obligations of such Guarantor under this
Indenture and such Guarantor’s related Guarantee pursuant to supplemental indentures or other documents or instruments; 

(3) immediately after such transaction, no Default shall have occurred and be continuing; and 

(4) Milacron shall have delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating that
such consolidation, merger, sale, assignment, transfer, lease, conveyance or other disposition and such supplemental indentures, if any, comply with this Indenture; and 

(ii) the transaction does not violate Section 4.10. 

(e) In the case of subsection (d)(i) above, the Successor Person, if other than the Guarantor, will succeed to, and be substituted for, such
Guarantor under this Indenture and such Guarantor’s Guarantee and in such event the Guarantor will automatically be released and discharged from its obligations under this Indenture and the Guarantee. Notwithstanding the foregoing, (A) any
Guarantor may (i) merge into or transfer all or part of its properties and assets to another Guarantor or Issuer or, to the extent permitted by Section 4.07 or constituting a Permitted Investment, another Restricted Subsidiary,
(ii) merge with an Affiliate of an Issuer solely for the purpose of reincorporating or reorganizing the Guarantor in the United States, any state thereof, or the District of Columbia or (iii) convert into a corporation, partnership,
limited partnership, limited liability corporation or trust organized or existing under the laws of the jurisdiction or organization of such Guarantor, in each case without regard to the requirements set forth in Section 5.01(d) and
(B) any Restricted Subsidiary (other than the Co-Issuer) may dissolve, liquidate or wind up its affairs or merge out of existence into Milacron, the Co-Issuer or another Restricted Subsidiary if such dissolution, liquidation or winding up or
merger is in the best interests of Milacron and is not materially disadvantageous to the Holders (in the good faith determination of Milacron) and any assets not otherwise disposed of in accordance with Section 4.10 shall be transferred to, or
otherwise owned by, a Guarantor. 

  
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 Section 5.02. SUCCESSOR CORPORATION
SUBSTITUTED 
 Upon any consolidation or merger, or any sale, assignment, transfer,
lease, conveyance or other disposition of all or substantially all of the assets of an Issuer or a Guarantor in accordance with Section 5.01 hereof, the successor corporation formed by such consolidation or into or with which such Issuer or
Guarantor, as applicable, is merged or to which such sale, assignment, transfer, lease, conveyance or other disposition is made shall succeed to, and be substituted for (so that from and after the date of such consolidation, merger, sale, lease,
conveyance or other disposition, the provisions of this Indenture referring to such Issuer or Guarantor, as applicable, shall refer instead to the successor corporation and not to such Issuer or Guarantor, as applicable), and may exercise every
right and power of such Issuer or Guarantor, as applicable, under this Indenture with the same effect as if such successor Person had been named as an Issuer or a Guarantor, as applicable, herein; provided that the predecessor Issuer shall
not be relieved from the obligation to pay the principal of and interest on the Notes except in the case of a sale, assignment, transfer, conveyance or other disposition of all of such Issuer’s assets that meets the requirements of
Section 5.01 hereof. 
 ARTICLE VI  

DEFAULTS AND REMEDIES 

Section 6.01. EVENTS OF DEFAULT

 An “Event of Default”, wherever used herein, means any one of the following events: 

(a) default in payment when due and payable, upon redemption, acceleration or otherwise, of principal of, or premium, if any,
on the Notes; 
 (b) default for 30 days or more in the payment when due of interest on or with respect to the Notes; 

(c) failure by the Issuers or any Restricted Subsidiary for 60 days after receipt of written notice given by the Trustee or the
Holders of not less than 25% in principal amount of the Notes then outstanding voting as a single class to comply with any of their obligations, covenants or agreements (other than a default referred to in clauses (a) and (b) above)
contained in this Indenture or the Notes; 
 (d) default under any mortgage, indenture or instrument under which there is
issued or by which there is secured or evidenced any Indebtedness for money borrowed by Milacron or any of the Restricted Subsidiaries or the payment of which is guaranteed by Milacron or any of the Restricted Subsidiaries, other than Indebtedness
owed to Milacron or a Restricted Subsidiary, whether such Indebtedness or guarantee now exists or is created after the issuance of the Notes, if both: 

(i) such default either results from the failure to pay any principal of such Indebtedness at its stated final maturity (after
giving effect to any applicable grace periods) or relates to an obligation other than the obligation to pay principal of any such Indebtedness at its stated final maturity and results in the holder or holders of such Indebtedness causing such
Indebtedness to become due prior to its stated final maturity; and 
 (ii) the principal amount of such Indebtedness,
together with the principal amount of any other such Indebtedness in default for failure to pay principal at stated final maturity (after giving effect to any applicable grace periods), or the maturity of which has been so accelerated, aggregate
$50.0 million or more at any one time outstanding; 
 (e) failure by Milacron or any Significant Party (or group of
Restricted Subsidiaries that together (determined as of the most recent consolidated financial statements of Parent Guarantor for a fiscal quarter end) would constitute a Significant Party) to pay final non-appealable judgments aggregating in excess
of $50.0 million (net of any amounts covered by indemnities or enforceable insurance policies 

  
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issued by solvent insurance carriers), which final judgments remain unpaid, undischarged and unstayed for a period of more than 90 days after such judgment becomes final, and in the event such
judgment is covered by insurance, and enforcement proceedings have been commenced by any creditor upon such judgment or decree which is not promptly stayed; 

(f) an Issuer or any Significant Party (or group of Restricted Subsidiaries that together (determined as of the most recent
consolidated financial statements of Parent Guarantor for a fiscal quarter end) would constitute a Significant Party), pursuant to or within the meaning of any Bankruptcy Law: 

(i) commences proceedings to be adjudicated bankrupt or insolvent; 

(ii) consents to the institution of bankruptcy or insolvency proceedings against it, or the filing by it of a petition or
answer or consent seeking reorganization or relief under applicable Bankruptcy Law; 
 (iii) consents to the appointment of a
receiver, liquidator, assignee, trustee, sequestrator or other similar official of it or for all or substantially all of its property; or 

(iv) makes a general assignment for the benefit of its creditors; 

(g) a court of competent jurisdiction enters an order or decree under any Bankruptcy Law that: 

(i) is for relief against an Issuer or any Significant Party (or group of Restricted Subsidiaries that together (determined as
of the most recent consolidated financial statements of Parent Guarantor for a fiscal quarter end) would constitute a Significant Party), in a proceeding in which an Issuer or any Significant Party, is to be adjudicated bankrupt or insolvent; 

(ii) appoints a receiver, liquidator, assignee, trustee, sequestrator or other similar official of an Issuer or any Significant
Party (or group of Restricted Subsidiaries that together (determined as of the most recent consolidated financial statements of Parent Guarantor for a fiscal quarter end) would constitute a Significant Party), or for all or substantially all of the
property of an Issuer or any Significant Party (or group of Restricted Subsidiaries that together (determined as of the most recent consolidated financial statements of Parent Guarantor for a fiscal quarter end) would constitute a Significant
Party); or 
 (iii) orders the liquidation of an Issuer or any Significant Party (or group of Restricted Subsidiaries that
together (determined as of the most recent consolidated financial statements of Parent Guarantor for a fiscal quarter end) would constitute a Significant Party); 

and the order or decree remains unstayed and in effect for 60 consecutive days; or 

(h) the Guarantee of any Significant Party shall for any reason cease to be in full force and effect or be declared null and
void or any responsible officer of any Guarantor that is a Significant Party (or the responsible officers of any group of Restricted Subsidiaries that together (determined as of the most recent consolidated financial statements of Parent Guarantor
for a fiscal quarter end) would constitute a Significant Party), as the case may be, denies that it has any further liability under its Guarantee or gives notice to such effect, in each case, other than by reason of the termination of this Indenture
or the release of any such Guarantee in accordance with this Indenture. 
 Section 6.02.
ACCELERATION 
 (a) If any Event of Default (other than an Event of Default
of the type specified in clause (f) or (g) of Section 6.01) occurs and is continuing under this Indenture, the Trustee by notice to the Issuers or the Holders of at least 25% in principal amount of the then total outstanding Notes by
notice to the Issuers and the 

  
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Trustee, in either case specifying in such notice the respective Event of Default and that such notice is a “notice of acceleration,” may declare the principal, premium, if any,
interest and any other monetary obligations on all the then outstanding Notes to be due and payable immediately. Upon the effectiveness of such declaration, such principal and interest shall be due and payable immediately. Notwithstanding the
foregoing, in the case of an Event of Default arising under clause (f) or (g) of Section 6.01, all outstanding Notes shall become due and payable immediately without further action or notice. The Trustee may withhold from the Holders
notice of any continuing Default or Event of Default, except a Default or Event of Default relating to the payment of principal, premium, if any, or interest, if it determines that withholding notice is in their interest. 

(b) The Holders of a majority in aggregate principal amount of the then outstanding Notes by notice to the Trustee may on behalf of the
Holders of all of the Notes waive any existing Default and its consequences under this Indenture (except a continuing Default in the payment of interest on, premium, if any, or the principal of any Note held by a non-consenting Holder) and rescind
any acceleration and its consequences with respect to the Notes, provided such rescission does not conflict with any judgment of a court of competent jurisdiction. In the event of any Event of Default specified in clause (d) of
Section 6.01 hereof, such Event of Default and all consequences thereof (excluding any resulting payment default, other than as a result of acceleration of the Notes) shall be annulled, waived and rescinded, automatically and without any action
by the Trustee or the Holders, if within 20 days after such Event of Default arose: 
 (i) the Indebtedness or guarantee that
is the basis for such Event of Default has been discharged; 
 (ii) holders thereof have rescinded or waived the
acceleration, notice or action (as the case may be) giving rise to such Event of Default; or 
 (iii) the default that is the
basis for such Event of Default has been cured. 
 Section 6.03. OTHER
REMEDIES 
 If an Event of Default occurs and is continuing, the Trustee may pursue
any available remedy to collect the payment of principal, premium, if any, and interest on the Notes or to enforce the performance of any provision of the Notes or this Indenture. 

The Trustee may maintain a proceeding even if it does not possess any of the Notes or does not produce any of them in the proceeding. A delay
or omission by the Trustee or any Holder in exercising any right or remedy accruing upon an Event of Default shall not impair the right or remedy or constitute a waiver of or acquiescence in the Event of Default. All remedies shall be cumulative to
the extent permitted by law. 
 Section 6.04. WAIVER OF
DEFAULTS 
 Subject to Section 6.02 hereof, Holders of not less than a majority
in aggregate principal amount of the then outstanding Notes by notice to the Trustee may on behalf of the Holders of all of the Notes waive any existing Default and its consequences hereunder (except a continuing Default in the payment of the
principal of, premium, if any, or interest on, any Note held by a non-consenting Holder). Upon any such waiver, such Default shall cease to exist, and any Event of Default arising therefrom shall be deemed to have been cured for every purpose of
this Indenture; but no such waiver shall extend to any subsequent or other Default or impair any right consequent thereon. 

Section 6.05. CONTROL BY MAJORITY

 Subject to Section 7.01(e), Holders of a majority in principal amount of the then total outstanding Notes may direct the time, method
and place of conducting any proceeding for any remedy available to the Trustee or of exercising any trust or power conferred on the Trustee. The Trustee, however, may refuse to follow any direction that conflicts with law or this Indenture or that
the Trustee determines is unduly prejudicial to the rights of any other Holder of a Note or that would involve the Trustee in personal liability. 

  
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 Section 6.06. LIMITATION ON
SUITS 
 Subject to Section 6.07 hereof, no Holder of a Note may pursue
any remedy with respect to this Indenture or the Notes unless: 
 (a) such Holder has previously given the Trustee written
notice that an Event of Default is continuing; 
 (b) Holders of at least 25% in principal amount of the total outstanding
Notes have requested in writing the Trustee to pursue the remedy; 
 (c) Holders of the Notes have offered the Trustee
reasonable security or indemnity against any loss, liability or expense; 
 (d) the Trustee has not complied with such
request within 60 days after the receipt thereof and the offer of security or indemnity; and 
 (e) Holders of a majority in
principal amount of the total outstanding Notes have not given the Trustee a written direction inconsistent with such request within such 60-day period. 

A Holder of a Note may not use this Indenture to prejudice the rights of another Holder of a Note or to obtain a preference or priority over
another Holder of a Note. 
 Section 6.07. RIGHTS OF HOLDERS
TO RECEIVE PAYMENT 
 Notwithstanding any other
provision of this Indenture, the right of any Holder of a Note to receive payment of principal of, premium, if any, and interest on the Note, on or after the respective due dates expressed in the Note (including in connection with an Asset Sale
Offer or a Change of Control Offer), or to bring suit for the enforcement of any such payment on or after such respective dates, shall not be impaired or affected without the consent of such Holder. 

Section 6.08. COLLECTION SUIT BY
TRUSTEE 
 If an Event of Default specified in Section 6.01(a) or
(b) hereof occurs and is continuing, the Trustee is authorized to recover judgment in its own name and as trustee of an express trust against the Issuers for the whole amount of principal of, premium, if any, and interest remaining unpaid on
the Notes and interest on overdue principal and, to the extent lawful, interest and such further amount as shall be sufficient to cover the costs and expenses of collection, including the reasonable compensation, expenses, disbursements and advances
of the Trustee, its agents and counsel. 
 Section 6.09. RESTORATION OF
RIGHTS AND REMEDIES 
 If the Trustee or any
Holder has instituted any proceeding to enforce any right or remedy under this Indenture and such proceeding has been discontinued or abandoned for any reason, or has been determined adversely to the Trustee or to such Holder, then and in every such
case, subject to any determination in such proceedings, the Issuers, the Trustee and the Holders shall be restored severally and respectively to their former positions hereunder and thereafter all rights and remedies of the Trustee and the Holders
shall continue as though no such proceeding has been instituted. 
 Section 6.10. RIGHTS
AND REMEDIES CUMULATIVE 
 Except as otherwise
provided with respect to the replacement or payment of mutilated, destroyed, lost or stolen Notes in Section 2.07 hereof, no right or remedy herein conferred upon or reserved to the Trustee or to the Holders is intended to be exclusive of any
other right or remedy, and every right and remedy shall, to the extent permitted by law, be cumulative and in addition to every other right and remedy given hereunder or now or hereafter existing at law or in equity or otherwise. The assertion or
employment of any right or remedy hereunder, or otherwise, shall not prevent the concurrent assertion or employment of any other appropriate right or remedy. 

  
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 Section 6.11. DELAY OR OMISSION
NOT WAIVER 
 No delay or omission of the Trustee or of any
Holder of any Note to exercise any right or remedy accruing upon any Event of Default shall impair any such right or remedy or constitute a waiver of any such Event of Default or an acquiescence therein. Every right and remedy given by this Article
or by law to the Trustee or to the Holders may be exercised from time to time, and as often as may be deemed expedient, by the Trustee or by the Holders, as the case may be. 

Section 6.12. TRUSTEE MAY FILE PROOFS OF
CLAIM 
 The Trustee is authorized to file such proofs of claim and other
papers or documents as may be necessary or advisable in order to have the claims of the Trustee (including any claim for the reasonable compensation, expenses, disbursements and advances of the Trustee and its agents and counsel) and the Holders of
the Notes allowed in any judicial proceedings relative to the Issuers (or any other obligor upon the Notes including the Guarantors), its creditors or its property and to collect, receive and distribute any money or other property payable or
deliverable on any such claims and any custodian in any such judicial proceeding is hereby authorized by each Holder to make such payments to the Trustee, and in the event that the Trustee shall consent to the making of such payments directly to the
Holders, to pay to the Trustee any amount due to them for the reasonable compensation, expenses, disbursements and advances of the Trustee and its agents and counsel, and any other amounts due to the Trustee under Section 7.07 hereof. To the
extent that the payment of any such compensation, expenses, disbursements and advances of the Trustee, its agents and counsel, and any other amounts due to the Trustee under Section 7.07 hereof out of the estate in any such proceeding, shall be
denied for any reason, payment of the same shall be secured by a Lien on, and shall be paid out of, any and all distributions, dividends, money, securities and other properties that the Holders may be entitled to receive in such proceeding whether
in liquidation or under any plan of reorganization or arrangement or otherwise. Nothing herein contained shall be deemed to authorize the Trustee to authorize or consent to or accept or adopt on behalf of any Holder any plan of reorganization,
arrangement, adjustment or composition affecting the Notes or the rights of any Holder, or to authorize the Trustee to vote in respect of the claim of any Holder in any such proceeding. 

Section 6.13. PRIORITIES 

Any money or property collected by the Trustee pursuant to this Article VI and any money or other property distributable in respect of any
Obligations of the Issuers or the Guarantors under this Indenture after an Event of Default shall be applied in the following order: 

(a) First, to the Trustee, such Agent, their agents and attorneys for amounts due under Section 7.07 hereof; 

(b) Second, to Holders for amounts due and unpaid on the Notes for principal, premium, if any, and interest, ratably,
without preference or priority of any kind, according to the amounts due and payable on the Notes for principal, premium, if any, and interest, respectively; and 

(c) Third, to the Issuer or to such party as a court of competent jurisdiction shall direct including a Guarantor, if
applicable. 
 The Trustee may fix a record date and payment date for any payment to Holders pursuant to this Section 6.13. 

  
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 Section 6.14. UNDERTAKING FOR
COSTS 
 In any suit for the enforcement of any right or remedy under this
Indenture or in any suit against the Trustee for any action taken or omitted by it as a Trustee, a court in its discretion may require the filing by any party litigant in the suit of an undertaking to pay the costs of the suit, and the court in its
discretion may assess reasonable costs, including reasonable attorneys’ fees, against any party litigant in the suit, having due regard to the merits and good faith of the claims or defenses made by the party litigant. This Section 6.14
does not apply to a suit by the Trustee, a suit by a Holder pursuant to Section 6.07 hereof, or a suit by Holders of more than 10% in principal amount of the then outstanding Notes. 

ARTICLE VII 
 TRUSTEE

 Section 7.01. DUTIES OF
TRUSTEE 
 (a) If an Event of Default has occurred and is continuing, the
Trustee shall exercise such of the rights and powers vested in it by this Indenture, and use the same degree of care and skill in its exercise, as a prudent person would exercise or use under the circumstances in the conduct of such person’s
own affairs. 
 (b) Except during the continuance of an Event of Default: 

(i) the duties of the Trustee shall be determined solely by the express provisions of this Indenture and the Trustee need
perform only those duties that are specifically set forth in this Indenture and no others, and no implied covenants or obligations shall be read into this Indenture against the Trustee; and 

(ii) in the absence of bad faith on its part, the Trustee may conclusively rely, as to the truth of the statements and the
correctness of the opinions expressed therein, upon certificates or opinions furnished to the Trustee and conforming to the form required in this Indenture. However, in the case of any such certificates or opinions which by any provision hereof are
specifically required to be furnished to the Trustee, the Trustee shall examine the certificates and opinions to determine whether or not they conform to the form requirements of this Indenture (but need not confirm or investigate the accuracy of
mathematical calculations and other facts stated therein). Except with respect to Section 4.01, the Trustee shall have no duty to inquire as to the performance of the covenants contained in Article IV or Article V. 

(c) The Trustee may not be relieved from liabilities for its own negligent action, its own negligent failure to act, or its own willful
misconduct, except that: 
 (i) this paragraph does not limit the effect of paragraph (b) of this Section 7.01;

 (ii) the Trustee shall not be liable for any error of judgment made in good faith by a Responsible Officer, unless it is
proved in a court of competent jurisdiction that the Trustee was negligent in ascertaining the pertinent facts; and 
 (iii)
the Trustee shall not be liable with respect to any action it takes or omits to take in good faith in accordance with a direction received by it pursuant to Section 6.02, 6.04 or 6.05 hereof. 

(d) Whether or not therein expressly so provided, every provision of this Indenture that in any way relates to the Trustee is subject to
paragraphs (a), (b) and (c) of this Section 7.01. 
 (e) The Trustee shall be under no obligation to exercise any of its
rights or powers under this Indenture at the request or direction of any of the Holders of the Notes unless the Holders have offered to the Trustee indemnity or security satisfactory to it against any loss, liability or expense. 

(f) The Trustee shall not be liable for interest on any money received by it except as the Trustee may agree in writing with the Issuers.
Money held in trust by the Trustee need not be segregated from other funds except to the extent required by law. 

  
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 Section 7.02. RIGHTS OF
TRUSTEE 
 (a) The Trustee may conclusively rely upon any document believed
by it to be genuine and to have been signed or presented by the proper Person. The Trustee need not investigate any fact or matter stated in the document, but the Trustee, in its discretion, may make such further inquiry or investigation into such
facts or matters as it may see fit, and, if the Trustee shall determine to make such further inquiry or investigation, it shall be entitled to examine the books, records and premises of Milacron and the Restricted Subsidiaries, personally or by
agent or attorney at the sole cost of the Issuers and shall incur no liability or additional liability of any kind by reason of such inquiry or investigation. 

(b) Before the Trustee acts or refrains from acting, it may require an Officer’s Certificate of the Issuers or an Opinion of Counsel or
both. The Trustee shall not be liable for any action it takes or omits to take in good faith in reliance on such Officer’s Certificate or Opinion of Counsel. The Trustee may consult with counsel of its selection and the written advice of such
counsel or any Opinion of Counsel shall be full and complete authorization and protection from liability in respect of any action taken, suffered or omitted by it hereunder in good faith and in reliance thereon. 

(c) The Trustee may act through its attorneys and agents and shall not be responsible for the misconduct or negligence of any agent or
attorney appointed with due care. 
 (d) The Trustee shall not be liable for any action it takes or omits to take in good faith that it
believes to be authorized or within the rights or powers conferred upon it by this Indenture. 
 (e) Unless otherwise specifically provided
in this Indenture, any demand, request, direction or notice from the Issuers shall be sufficient if signed by an Officer of each Issuer. 

(f) None of the provisions of this Indenture shall require the Trustee to expend or risk its own funds or otherwise to incur any liability,
financial or otherwise, in the performance of any of its duties hereunder, or in the exercise of any of its rights or powers if an indemnity satisfactory to it against such risk or liability is not assured to it. 

(g) The permissive rights of the Trustee to do things enumerated in this Indenture shall not be construed as a duty unless so specified
herein. 
 (h) The Trustee shall not be liable for any consequential loss (including, without limitation, loss of business, goodwill,
opportunity or profit of any kind) of the Issuers, any Subsidiary or any other Person. 
 (i) The rights, privileges, protections,
immunities and benefits given to the Trustee, including its right to be indemnified and/or secured, are extended to, and shall be enforceable by U.S. Bank National Association, and each agent, custodian and other person employed to act hereunder.
Absent willful misconduct or negligence, each Paying Agent and Registrar shall not be liable for acting in good faith on instructions believed by it to be genuine and from the proper party. 

Section 7.03. INDIVIDUAL RIGHTS OF
TRUSTEE 
 The Trustee in its individual or any other capacity may become the
owner or pledgee of Notes and may otherwise deal with Milacron or any Affiliate of Milacron with the same rights it would have if it were not Trustee. However, in the event that the Trustee acquires any conflicting interest it must eliminate such
conflict within 90 days, apply to the SEC for permission to continue as trustee or resign. Any Agent may do the same with like rights and duties. The Trustee is also subject to Sections 7.10 and 7.11 hereof. 

  
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 Section 7.04. TRUSTEE’S
DISCLAIMER 
 The Trustee shall not be responsible for and makes no
representation as to the validity or adequacy of this Indenture or the Notes, it shall not be accountable for the Issuers’ use of the proceeds from the Notes or any money paid to an Issuer or upon an Issuer’s direction under any provision
of this Indenture, it shall not be responsible for the use or application of any money received by any Paying Agent other than the Trustee, and it shall not be responsible for any statement or recital herein or any statement in the Notes or any
other document in connection with the sale of the Notes or pursuant to this Indenture other than its certificate of authentication. 

Section 7.05. NOTICE OF
DEFAULTS 
 If a Default occurs and is continuing and if it is known to the
Trustee, the Trustee shall mail (or otherwise deliver in accordance with applicable DTC procedures) to the Holders a notice of the Default within 90 days after it occurs. Except in the case of a Default relating to the payment of principal, premium,
if any, or interest on any Note, the Trustee may withhold from the Holders notice of any continuing Default if and so long as a committee of its Responsible Officers in good faith determines that withholding the notice is in the interests of the
Holders. The Trustee shall not be deemed to know of any Default unless a Responsible Officer of the Trustee has actual knowledge thereof or unless written notice of any event which is such a Default is received by the Trustee in accordance with
Section 13.02 hereof at the Corporate Trust Office of the Trustee and such notice references the Notes and this Indenture. 

Section 7.06. REPORTS BY TRUSTEE TO
HOLDERS 
 Within 60 days after each April 15, beginning with the
April 15 following the date of this Indenture, and for so long as Notes remain outstanding, the Trustee shall mail (or otherwise deliver in accordance with applicable DTC procedures) to the Holders a brief report dated as of such reporting date
that complies with Trust Indenture Act Section 313(a) (excluding Section 313(a)(6)) (but if no event described in Trust Indenture Act Section 313(a) has occurred within the twelve months preceding the reporting date, no report need be
transmitted). The Trustee also shall comply with Trust Indenture Act Section 313(b)(2). The Trustee shall also deliver all reports as required by Trust Indenture Act Section 313(c). 

A copy of each report at the time of its delivery to the Holders shall be mailed to the Issuers and each stock exchange on which the Notes are
listed in accordance with Trust Indenture Act Section 313(d). The Issuers shall promptly notify the Trustee in writing if the Notes are listed on any stock exchange. 

Section 7.07. COMPENSATION AND
INDEMNITY 
 The Issuers shall pay to the Trustee from time to time such
compensation for its acceptance of this Indenture and services hereunder as the parties shall agree in writing from time to time. The Trustee’s compensation shall not be limited by any law on compensation of a trustee of an express trust. The
Issuers shall reimburse the Trustee promptly upon request for all reasonable disbursements, advances and expenses incurred or made by it in addition to the compensation for its services. Such expenses shall include the reasonable compensation,
disbursements and expenses of the Trustee’s agents and counsel. 
 The Issuers and the Guarantors, jointly and severally, shall
indemnify the Trustee and its officers, directors, employees, agents and any predecessor trustee (in its capacity as trustee) and its officers, directors, employees and agents for, and hold the Trustee harmless against, any and all loss, damage,
claims, liability or expense (including reasonable attorneys’ fees) incurred by it in connection with the acceptance or administration of this trust and the performance of its duties hereunder (including the costs and expenses of enforcing this
Indenture against the Issuers or any of the Guarantors (including this Section 7.07) or defending itself against any claim whether asserted by any Holder, an Issuer or any Guarantor, or liability in connection with the acceptance, exercise or
performance of any of its powers or duties hereunder). The Trustee shall notify the Issuers promptly of any claim for which it may seek indemnity. Failure by the Trustee to so notify the Issuers shall not relieve the Issuers of their obligations
hereunder except to the extent the Issuers have been materially prejudiced thereby. The Issuers shall defend the claim and the Trustee may have separate counsel and the Issuers shall pay the fees and expenses of such counsel. The Issuers need not
pay for any settlement made without its consent, which consent shall not be unreasonably withheld. The Issuers and Guarantors need not reimburse any expense or indemnify against any loss, liability or expense incurred by the Trustee through the
Trustee’s own willful misconduct, negligence or bad faith. 

  
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 The obligations of the Issuers under this Section 7.07 shall survive the satisfaction and
discharge of this Indenture or the earlier resignation or removal of the Trustee. 
 To secure the payment obligations of the Issuers and
the Guarantors in this Section 7.07, the Trustee shall have a Lien prior to the Notes on all money or property held or collected by the Trustee. Such Lien shall survive the satisfaction and discharge of this Indenture. 

When the Trustee incurs expenses or renders services after an Event of Default specified in Section 6.01(f) or (g) hereof occurs,
the expenses and the compensation for the services (including the fees and expenses of its agents and counsel) are intended to constitute expenses of administration under any Bankruptcy Law. 

The Trustee shall comply with the provisions of Trust Indenture Act Section 313(b)(2) to the extent applicable. 

Section 7.08. REPLACEMENT OF TRUSTEE

 A resignation or removal of the Trustee and appointment of a successor Trustee shall become effective only upon the successor
Trustee’s acceptance of appointment as provided in this Section 7.08. The Trustee may resign in writing at any time and be discharged from the trust hereby created by so notifying the Issuers. The Holders of a majority in principal amount
of the then outstanding Notes may remove the Trustee by so notifying the Trustee and the Issuers in writing. The Issuers may remove the Trustee if: 

(a) the Trustee fails to comply with Section 7.10 hereof or Section 310 of the Trust Indenture Act; 

(b) the Trustee is adjudged a bankrupt or an insolvent or an order for relief is entered with respect to the Trustee under any
Bankruptcy Law; 
 (c) a custodian or public officer takes charge of the Trustee or its property; or 

(d) the Trustee becomes incapable of acting. 

If the Trustee resigns or is removed or if a vacancy exists in the office of Trustee for any reason, the Issuers shall promptly appoint a
successor Trustee. Within one year after the successor Trustee takes office, the Holders of a majority in principal amount of the then outstanding Notes may appoint a successor Trustee to replace the successor Trustee appointed by the Issuers. 

If a successor Trustee does not take office within 60 days after the retiring Trustee resigns or is removed, the retiring Trustee (at the
Issuers’ expense), the Issuers or the Holders of at least 10% in principal amount of the then outstanding Notes may petition any court of competent jurisdiction for the appointment of a successor Trustee. 

If the Trustee, after written request by any Holder who has been a Holder for at least six months, fails to comply with Section 7.10
hereof, such Holder may petition any court of competent jurisdiction for the removal of the Trustee and the appointment of a successor Trustee. 

A successor Trustee shall deliver a written acceptance of its appointment to the retiring Trustee and to the Issuers. Thereupon, the
resignation or removal of the retiring Trustee shall become effective, and the successor Trustee shall have all the rights, powers and duties of the Trustee under this Indenture. The successor Trustee shall mail (or otherwise deliver in accordance
with applicable DTC procedures) a notice of its succession to the Holders. The retiring Trustee shall promptly transfer all property held by it as Trustee to the successor Trustee; provided all sums owing to the Trustee hereunder have been
paid and subject to the Lien provided for in Section 7.07 hereof. Notwithstanding replacement of the Trustee pursuant to this Section 7.08, the Issuers’ obligations under Section 7.07 hereof shall continue for the benefit of the
retiring Trustee. 

  
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 Section 7.09. SUCCESSOR TRUSTEE
BY MERGER, ETC. 
 If the Trustee consolidates, merges or converts into, or
transfers all or substantially all of its corporate trust business to, another corporation, the successor corporation without any further act shall be the successor Trustee. 

Section 7.10. ELIGIBILITY; DISQUALIFICATION 

There shall at all times be a Trustee hereunder that is a corporation organized and doing business under the laws of the United States of
America or of any state thereof that is authorized under such laws to exercise corporate trustee power, that is subject to supervision or examination by federal or state authorities and that has, together with its parent, a combined capital and
surplus of at least $50,000,000 as set forth in its most recent published annual report of condition. 
 This Indenture shall always have a
Trustee who satisfies the requirements of Trust Indenture Act Sections 310(a)(1), (2) and (5). The Trustee is subject to Trust Indenture Act Section 310(b). 

Section 7.11. PREFERENTIAL COLLECTION OF CLAIMS
AGAINST ISSUERS 
 The Trustee is subject to Trust Indenture Act
Section 311(a), excluding any creditor relationship listed in Trust Indenture Act Section 311(b). A Trustee who has resigned or been removed shall be subject to Trust Indenture Act Section 311(a) to the extent indicated therein. 

ARTICLE VIII 
 LEGAL
DEFEASANCE AND COVENANT DEFEASANCE 
 Section 8.01. OPTION TO
EFFECT LEGAL DEFEASANCE OR COVENANT DEFEASANCE 

The Issuers may, at their option and at any time, elect to have either Section 8.02 or 8.03 hereof applied to all outstanding Notes upon
compliance with the conditions set forth below in this Article VIII. 
 Section 8.02.
LEGAL DEFEASANCE AND DISCHARGE 
 Upon the
Issuers’ exercise under Section 8.01 hereof of the option applicable to this Section 8.02, the Issuers and the Guarantors shall, subject to the satisfaction of the conditions set forth in Section 8.04 hereof, be deemed to have
been discharged from their obligations with respect to all outstanding Notes and Guarantees on the date the conditions set forth below are satisfied (“Legal Defeasance”). For this purpose, Legal Defeasance means that the Issuers
shall be deemed to have paid and discharged the entire Indebtedness represented by the outstanding Notes, which shall thereafter be deemed to be “outstanding” only for the purposes of Section 8.05 hereof and the other Sections of this
Indenture referred to in (a) and (b) below, and to have satisfied all its other obligations under such Notes and this Indenture including that of the Guarantors (and the Trustee, on demand of and at the expense of the Issuers, shall
execute proper instruments acknowledging the same), except for the following provisions which shall survive until otherwise terminated or discharged hereunder: 

(a) the rights of Holders to receive payments in respect of the principal of, premium, if any, and interest on the Notes when
such payments are due solely out of the trust created pursuant to this Indenture referred to in Section 8.04 hereof; 

(b) the Issuers’ obligations with respect to Notes concerning issuing temporary Notes, registration of such Notes,
mutilated, destroyed, lost or stolen Notes and the maintenance of an office or agency for payment and money for security payments held in trust; 

(c) the rights, powers, trusts, duties and immunities of the Trustee, and the Issuers’ obligations in connection
therewith; and 

  
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 (d) this Section 8.02. 

If the Issuers exercise under Section 8.01 the option applicable to this Section 8.02, subject to satisfaction of the conditions set forth in
Section 8.04 hereof, payment of the Notes may not be accelerated because of an Event of Default under subsections (c), (d), (e), (f) (solely with respect to a Significant Party), (g) (solely with respect to a Significant Party) and
(h) of Section 6.01. Subject to compliance with this Article VIII, the Issuers may exercise their option under this Section 8.02 notwithstanding the prior exercise of its option under Section 8.03 hereof. 

Section 8.03. COVENANT DEFEASANCE 

Upon the Issuers’ exercise under Section 8.01 hereof of the option applicable to this Section 8.03, the Issuers and the
Guarantors shall, subject to the satisfaction of the conditions set forth in Section 8.04 hereof, be released from their obligations under the covenants contained in Sections 3.09, 4.03, 4.04, 4.05, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.13,
4.14, 4.15, 4.16 and 4.17 hereof and clauses (iv) and (v) of Section 5.01(a), Sections 5.01(d) hereof with respect to the outstanding Notes on and after the date the conditions set forth in Section 8.04 hereof are satisfied
(“Covenant Defeasance”), and the Notes shall thereafter be deemed not “outstanding” for the purposes of any direction, waiver, consent or declaration or act of Holders (and the consequences of any thereof) in connection
with such covenants, but shall continue to be deemed “outstanding” for all other purposes hereunder (it being understood that such Notes shall not be deemed outstanding for accounting purposes). For this purpose, Covenant Defeasance means
that, with respect to the outstanding Notes, the Issuers may omit to comply with and shall have no liability in respect of any term, condition or limitation set forth in any such covenant, whether directly or indirectly, by reason of any reference
elsewhere herein to any such covenant or by reason of any reference in any such covenant to any other provision herein or in any other document and such omission to comply shall not constitute a Default or an Event of Default under Section 6.01
hereof, but, except as specified above, the remainder of this Indenture and such Notes shall be unaffected thereby. In addition, upon the Issuers’ exercise under Section 8.01 hereof of the option applicable to this Section 8.03 hereof,
subject to the satisfaction of the conditions set forth in Section 8.04 hereof, Sections 6.01(c) (solely with respect to the covenants that are released upon a Covenant Defeasance), 6.01(d), 6.01(e), 6.01(f) (solely with respect to a
Significant Party), 6.01(g) (solely with respect to a Significant Party) and 6.01(h) hereof shall not constitute Events of Default. 

Section 8.04. CONDITIONS TO LEGAL OR
COVENANT DEFEASANCE 
 The following shall be the conditions to the
application of either Section 8.02 or 8.03 hereof to the outstanding Notes: 
 In order to exercise either Legal
Defeasance or Covenant Defeasance with respect to the Notes: 
 (a) the Issuers shall irrevocably deposit with the
Trustee, in trust, for the benefit of the Holders of the Notes, cash in U.S. dollars, Government Securities, or a combination thereof, in such amounts as will be sufficient, in the opinion of a nationally recognized investment bank, appraisal firm
or firm of independent public accountants, to pay the principal amount of, premium, if any, and interest due on the Notes on the stated maturity date or on the Redemption Date, as the case may be, of such principal amount, premium, if any, and
interest on such Notes and the Issuers must specify whether such Notes are being defeased to maturity or to a particular Redemption Date. 

(b) in the case of Legal Defeasance, the Issuers shall have delivered to the Trustee an Opinion of Counsel confirming that,
subject to customary assumptions and exclusions, 
 (i) the Issuers have received from, or there has been published by, the
United States Internal Revenue Service a ruling, or 
 (ii) since the issuance of the Notes, there has been a change in the
applicable U.S. federal income tax law, 

  
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in either case to the effect that, and based thereon such Opinion of Counsel shall confirm that, subject to customary assumptions and exclusions, the Holders of the Notes will not recognize
income, gain or loss for U.S. federal income tax purposes, as applicable, as a result of such Legal Defeasance and will be subject to U.S. federal income tax on the same amounts, in the same manner and at the same times as would have been the case
if such Legal Defeasance had not occurred; 
 (c) in the case of Covenant Defeasance, the Issuers shall have delivered to the
Trustee an Opinion of Counsel confirming that, subject to customary assumptions and exclusions, the Holders of the Notes will not recognize income, gain or loss for U.S. federal income tax purposes as a result of such Covenant Defeasance and will be
subject to such U.S. federal income tax on the same amounts, in the same manner and at the same times as would have been the case if such Covenant Defeasance had not occurred; 

(d) no Default with respect to any covenant being defeased (other than that resulting from borrowing funds to be applied to
make such deposit and any similar and simultaneous deposit relating to other Indebtedness and, in each case, the granting of Liens in connection therewith) shall have occurred and be continuing on the date of such deposit; 

(e) such Legal Defeasance or Covenant Defeasance shall not result in a breach or violation of, or constitute a default under
any material mortgage, indenture (other than this Indenture) or instrument under which there is issued or by which there is secured or evidenced any Indebtedness for money borrowed to which Milacron or any Guarantor is a party or by which Milacron
or any Guarantor is bound (other than that resulting from any borrowing of funds to be applied to make the deposit required to effect such Legal Defeasance or Covenant Defeasance and any similar and simultaneous deposit relating to other
Indebtedness, and the granting of Liens in connection therewith); 
 (f) the Issuers shall have delivered to the Trustee an
Officer’s Certificate stating that the deposit was not made by the Issuers with the intent of defeating, hindering, delaying or defrauding any creditors of the Issuers or any Guarantor or others; and 

(g) the Issuers shall have delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel (which Opinion of
Counsel may be subject to customary assumptions and exclusions) each stating that all conditions precedent provided for or relating to the Legal Defeasance or the Covenant Defeasance, as the case may be, have been complied with. 

Section 8.05. DEPOSITED CASH AND U.S.
GOVERNMENT SECURITIES TO BE HELD IN TRUST; OTHER MISCELLANEOUS PROVISIONS

 Subject to Section 8.06 hereof, all money and Government Securities (including the proceeds thereof) deposited with the
Trustee (or other qualifying trustee, collectively for purposes of this Section 8.05, the “Trustee”) pursuant to Section 8.04 hereof in respect of the outstanding Notes shall be held in trust and applied by the Trustee, in
accordance with the provisions of such Notes and this Indenture, to the payment, either directly or through any Paying Agent (including Milacron or a Guarantor acting as Paying Agent) as the Trustee may determine, to the Holders of such Notes of all
sums due and to become due thereon in respect of principal, premium, if any, and interest, but such money need not be segregated from other funds except to the extent required by law. 

The Issuers shall pay and indemnify the Trustee against any tax, fee or other charge imposed on or assessed against the cash or Government
Securities deposited pursuant to Section 8.04 hereof or the principal and interest received in respect thereof other than any such tax, fee or other charge which by law is for the account of the Holders of the outstanding Notes. 

Anything in this Article VIII to the contrary notwithstanding, the Trustee shall deliver or pay to the Issuers from time to time upon the
request of the Issuers any money or Government Securities held by it as provided in Section 8.04 hereof which, in the opinion of a nationally recognized firm of independent public accountants expressed in a written certification thereof
delivered to the Trustee (which may be the opinion delivered under Section 8.04(a) hereof), are in excess of the amount thereof that would then be required to be deposited to effect an equivalent Legal Defeasance or Covenant Defeasance. 

  
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 Section 8.06. REPAYMENT TO
ISSUERS 
 Subject to any applicable abandoned property law, any money deposited with the Trustee
or any Paying Agent, or then held by the Issuers, in trust for the payment of the principal of, premium, if any, or interest on any Note and remaining unclaimed for two years after such principal, and premium, if any, or interest has become due and
payable shall be paid to the Issuers on their request or (if then held by an Issuer) shall be discharged from such trust; and the Holder of such Note shall thereafter look only to the Issuers for payment thereof, and all liability of the Trustee or
such Paying Agent with respect to such trust money, and all liability of the Issuers as trustee thereof, shall thereupon cease. 

Section 8.07. REINSTATEMENT 

If the Trustee or Paying Agent is unable to apply any United States dollars or Government Securities in accordance with Section 8.02 or
8.03 hereof, as the case may be, by reason of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, then the Issuers’ obligations under this Indenture and the Notes shall
be revived and reinstated as though no deposit had occurred pursuant to Section 8.02 or 8.03 hereof until such time as the Trustee or Paying Agent is permitted to apply all such money in accordance with Section 8.02 or 8.03 hereof, as the
case may be; provided that, if the Issuers make any payment of principal of, premium, if any, or interest on any Note following the reinstatement of its obligations, the Issuers shall be subrogated to the rights of the Holders of such Notes
to receive such payment from the money held by the Trustee or Paying Agent. 
 ARTICLE IX 

AMENDMENT, SUPPLEMENT AND WAIVER 

Section 9.01. WITHOUT CONSENT OF HOLDERS
OF NOTES 
 Notwithstanding Section 9.02 hereof, the Issuers, any Guarantor
(with respect to a Guarantee or this Indenture) and the Trustee may amend or supplement this Indenture, any Guarantee or Notes without the consent of any Holder: 

(a) to cure any ambiguity, omission, mistake, defect or inconsistency; 

(b) to provide for uncertificated Notes of such series in addition to or in place of Definitive Notes; 

(c) to comply with Section 5.01 hereof; 

(d) to provide for the assumption of the Issuers’ or any Guarantor’s obligations to the Holders; 

(e) to make any change that would provide any additional rights or benefits to the Holders or that does not adversely affect
the legal rights under this Indenture of any such Holder; 
 (f) to add covenants for the benefit of the Holders or to
surrender any right or power conferred upon the Issuers or any Guarantor; 
 (g) to comply with requirements of the SEC in
order to effect or to qualify this Indenture under the Trust Indenture Act; 

  
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 (h) to evidence and provide for the acceptance and appointment under this
Indenture of a successor Trustee hereunder pursuant to the requirements hereof or to provide for the accession of the Trustee to any instrument in connection with the Notes; 

(i) to add a Guarantor under this Indenture and to allow any Guarantor to execute a supplemental indenture and/or a Guarantee
with respect to the Notes; 
 (j) to release a Guarantor upon its sale or designation as an Unrestricted Subsidiary or other
permitted release from its Guarantee; 
 (k) to provide for the issuance of Additional Notes in accordance with the
limitations set forth herein; 
 (l) to conform the text of this Indenture, Guarantees or the Notes to any provision of the
“Description of the Notes” in the Offering Memorandum to the extent that such provision was intended to be a verbatim recitation of a provision of this Indenture, Guarantee or the Notes, as certified by the Issuers in an Officer’s
Certificate; 
 (m) to make any changes with respect to the rights or obligations of the Trustee or other provisions relating
to the Trustee that do not adversely affect the rights of any Holder in any material respect; or 
 (n) to make any amendment
to the provisions of this Indenture relating to the transfer and legending of Notes as permitted by this Indenture, including, without limitation to facilitate the issuance and administration of the Notes; provided, however, that
(i) compliance with this Indenture as so amended would not result in Notes being transferred in violation of the Securities Act or any applicable securities law and (ii) such amendment does not materially and adversely affect the rights of
Holders to transfer Notes. 
 Upon the request of the Issuers accompanied by a resolution of their respective Board of Directors authorizing
the execution of any such amended or supplemental indenture, and upon receipt by the Trustee of the documents described in Section 7.02 hereof, the Trustee shall join with the Issuers and the Guarantors in the execution of any amended or
supplemental indenture authorized or permitted by the terms of this Indenture and to make any further appropriate agreements and stipulations that may be therein contained, but the Trustee shall have the right, but not the obligation to, enter into
such amended or supplemental indenture that affects their own rights, duties or immunities under this Indenture or otherwise. Notwithstanding the foregoing, an Opinion of Counsel shall not be required in connection with the addition of a Guarantor
under this Indenture upon execution and delivery by such Guarantor and the Trustee of a supplemental indenture to this Indenture, the form of which is attached as Exhibit D hereto. 

Section 9.02. WITH CONSENT OF HOLDERS OF
NOTES 
 Except as provided below in this Section 9.02, the Issuers, the
Guarantors and the Trustee may amend or supplement this Indenture, the Notes and the Guarantees with the consent of the Holders of at least a majority in principal amount of the Notes (including Additional Notes, if any) then outstanding voting as a
single class (including consents obtained in connection with a tender offer or exchange offer for, or purchase of, the Notes), and, subject to Sections 6.04 and 6.07 hereof, any existing Default or Event of Default (other than a Default or Event of
Default in the payment of the principal of, premium, if any, or interest on the Notes, except a payment default resulting from an acceleration that has been rescinded) or compliance with any provision of this Indenture, the Guarantees or the Notes
may be waived with the consent of the Holders of a majority in principal amount of the then outstanding Notes (including Additional Notes, if any), voting as a single class (including consents obtained in connection with a tender offer or exchange
offer for, or purchase of, the Notes). Section 2.08 hereof, Section 2.09 hereof and Section 2.14 hereof shall determine which Notes are considered to be “outstanding” for the purposes of this Section 9.02. 

  
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 Upon the request of the Issuers accompanied by a resolution of their respective Board of
Directors authorizing the execution of any such amended or supplemental indenture, and upon the filing with the Trustee of evidence of the consent of the Holders as aforesaid, and upon receipt by the Trustee of the documents described in
Section 7.02 hereof, the Trustee shall join with the Issuers in the execution of such amended or supplemental indenture unless such amended or supplemental indenture directly affects their own rights, duties or immunities under this Indenture
or otherwise, in which case the Trustee may in its discretion, but shall not be obligated to, enter into such amended or supplemental indenture. 

It shall not be necessary for the consent of the Holders under this Section 9.02 to approve the particular form of any proposed amendment
or waiver, but it shall be sufficient if such consent approves the substance thereof. 
 After an amendment, supplement or waiver under this
Section 9.02 becomes effective, the Issuers shall mail (or otherwise deliver in accordance with applicable DTC procedures) to the Holders affected thereby a notice briefly describing the amendment, supplement or waiver. Any failure of the
Issuers to mail such notice, or any defect therein, shall not, however, in any way impair or affect the validity of any such amended or supplemental indenture or waiver. 

Without the consent of each affected Holder, an amendment or waiver under this Section 9.02 may not, with respect to any Notes held by a
non-consenting Holder: 
 (a) reduce the principal amount of such Notes whose Holders must consent to an amendment,
supplement or waiver; 
 (b) reduce the principal amount of or change the fixed maturity of any such Note or alter or waive
the provisions with respect to the redemption of such Notes (other than provisions relating to Section 3.09, Section 4.10 and Section 4.14 hereof and other than the notice provisions); 

(c) reduce the rate of or change the time for payment of interest on any Note; 

(d) waive a Default or Event of Default in the payment of principal of or premium, if any, or interest on the Notes (except a
rescission of acceleration of the Notes by the Holders of at least a majority in aggregate principal amount of the Notes and a waiver of the payment default that resulted from such acceleration) or in respect of a covenant or provision contained in
this Indenture or any Guarantee which cannot be amended or modified without the consent of all Holders; 
 (e) make any Note
payable in money other than that stated therein; 
 (f) make any change in the provisions of this Indenture relating to
waivers of past Defaults or the rights of Holders to receive payments of principal of or premium, if any, or interest on the Notes; 

(g) make any change in these amendment and waiver provisions; 

(h) impair the right of any Holder to receive payment of principal of, or interest on such Holder’s Notes on or after the
due dates therefor or to institute suit for the enforcement of any payment on or with respect to such Holder’s Notes; 

(i) make any change to the ranking of the Notes (or related Guarantees) that would adversely affect the Holders; or 

(j) except as expressly permitted by this Indenture, modify the Guarantees of any Significant Party in any manner adverse to
the Holders. 

  
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 Section 9.03. COMPLIANCE WITH
TRUST INDENTURE ACT 
 Every amendment
or supplement to this Indenture or the Notes shall be set forth in an amended or supplemental indenture that complies in all material respects with the Trust Indenture Act as then in effect. 

Section 9.04. REVOCATION AND EFFECT OF
CONSENTS 
 Until an amendment, supplement or waiver becomes
effective, a consent to it by a Holder is a continuing consent by the Holder and every subsequent Holder of a Note or portion of a Note that evidences the same debt as the consenting Holder’s Note, even if notation of the consent is not made on
any Note. However, any such Holder or subsequent Holder may revoke the consent as to its Note if the Trustee receives written notice of revocation before the date the waiver, supplement or amendment becomes effective. An amendment, supplement or
waiver becomes effective in accordance with its terms and thereafter binds every Holder. 
 The Issuers may, but shall not be obligated to,
fix a record date for the purpose of determining the Holders entitled to consent to any amendment, supplement, or waiver. If a record date is fixed, then, notwithstanding the preceding paragraph, those Persons who were Holders at such record date
(or their duly designated proxies), and only such Persons, shall be entitled to consent to such amendment, supplement, or waiver or to revoke any consent previously given, whether or not such Persons continue to be Holders after such record date. No
such consent shall be valid or effective for more than 90 days after such record date unless the consent of the requisite number of Holders has been obtained. 

Section 9.05. NOTATION ON OR EXCHANGE
OF NOTES 
 The Trustee may place an appropriate
notation about an amendment, supplement or waiver on any Note thereafter authenticated. The Issuers in exchange for all Notes may issue and the Trustee shall, upon receipt of an Authentication Order, authenticate new Notes that reflect the
amendment, supplement or waiver. 
 Failure to make the appropriate notation or issue a new Note shall not affect the validity and effect of
such amendment, supplement or waiver. 
 Section 9.06. TRUSTEE TO
SIGN AMENDMENTS, ETC. 
 The Trustee shall sign any amendment,
supplement or waiver authorized pursuant to this Article IX if the amendment or supplement does not adversely affect the rights, duties, liabilities or immunities of the Trustee. None of the Issuers nor any Guarantor may sign an amendment,
supplement or waiver until the relevant Board of Directors (or similar governing body) approves it. In executing any amendment, supplement or waiver, the Trustee shall be entitled to receive, and (subject to Section 7.01 hereof) shall be fully
protected in relying upon, in addition to the documents required by Section 13.04 hereof, an Officer’s Certificate and an Opinion of Counsel stating that the execution of such amended or supplemental indenture is authorized or permitted by
this Indenture and that such amendment, supplement or waiver is the legal, valid and binding obligation of the Issuers and any Guarantors party thereto, enforceable against them in accordance with its terms, subject to customary exceptions, and
complies with the provisions hereof (including Section 9.03). Notwithstanding the foregoing, an Opinion of Counsel shall not be required in connection with the addition of a Guarantor under this Indenture upon execution and delivery by such
Guarantor and the Trustee of a supplemental indenture to this Indenture, the form of which is attached as Exhibit D hereto. 

Section 9.07. PAYMENT FOR
CONSENT 
 Neither an Issuer nor any Affiliate of an Issuer shall,
directly or indirectly, pay or cause to be paid any consideration, whether by way of interest, fee or otherwise, to any Holder for or as an inducement to any consent, waiver or amendment of any of the terms or provisions of this Indenture or the
Notes unless such consideration is offered to all Holders and is paid to all Holders that so consent, waive or agree to amend in the time frame set forth in solicitation documents relating to such consent, waiver or agreement. 

  
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 ARTICLE X 

GUARANTEES 

Section 10.01. GUARANTEE 

Subject to this Article X, each of the Guarantors hereby, jointly, severally and unconditionally guarantees to each Holder of a Note
authenticated and delivered by the Trustee and to the Trustee and its successors and assigns, that: (a) the principal of and interest and premium, if any, on the Notes shall be promptly paid in full when due, whether at maturity, by
acceleration, redemption or otherwise, and interest on the overdue principal of and interest on the Notes, if any, if lawful, and all other obligations of the Issuers to the Holders or the Trustee hereunder or thereunder shall be promptly paid in
full or performed, all in accordance with the terms hereof and thereof; and (b) in case of any extension of time of payment or renewal of any Notes or any of such other obligations, that same shall be promptly paid in full when due or performed
in accordance with the terms of the extension or renewal, whether at stated maturity, by acceleration or otherwise. Failing payment when due of any amount so guaranteed or any performance so guaranteed for whatever reason, the Guarantors shall be
jointly and severally obligated to pay the same immediately. Each Guarantor agrees that this is a guarantee of payment and not a guarantee of collection. 

The Guarantors hereby agree that their obligations hereunder shall be unconditional, irrespective of the validity, regularity or
enforceability of this Indenture, the Notes or the obligations of the Issuers hereunder or thereunder, the absence of any action to enforce the same, any waiver or consent by any Holder with respect to any provisions hereof or thereof, the recovery
of any judgment against the Issuers or any Guarantor, any action to enforce the same or any other circumstance which might otherwise constitute a legal or equitable discharge or defense of a Guarantor. Each Guarantor hereby waives diligence,
presentment, demand of payment, filing of claims with a court in the event of insolvency or bankruptcy of the Issuers, any right to require a proceeding first against the Issuers, protest, notice and all demands whatsoever and covenants that this
Guarantee shall not be discharged except by complete performance of the obligations contained in the Notes and this Indenture. 
 Each
Guarantor also agrees to pay any and all costs and expenses (including reasonable attorneys’ fees) incurred by the Trustee or any Holder in enforcing any rights under this Section 10.01. 

If any Holder or the Trustee is required by any court or otherwise to return to the Issuers, the Guarantors or any custodian, trustee,
liquidator or other similar official acting in relation to either the Issuers or the Guarantors, any amount paid either to the Trustee or such Holder, this Guarantee, to the extent theretofore discharged, shall be reinstated in full force and
effect. 
 Each Guarantor agrees that it shall not be entitled to any right of subrogation in relation to the Holders in respect of any
obligations guaranteed hereby until payment in full of all obligations guaranteed hereby. Each Guarantor further agrees that, as between the Guarantors, on the one hand, and the Holders and the Trustee, on the other hand, (x) the maturity of
the obligations guaranteed hereby may be accelerated as provided in Article VI hereof for the purposes of this Guarantee, notwithstanding any stay, injunction or other prohibition preventing such acceleration in respect of the obligations guaranteed
hereby, and (y) in the event of any declaration of acceleration of such obligations as provided in Article VI hereof, such obligations (whether or not due and payable) shall forthwith become due and payable by the Guarantors for the purpose of
this Guarantee. The Guarantors shall have the right to seek contribution from any non-paying Guarantor so long as the exercise of such right does not impair the rights of the Holders under the Guarantees. 

Unless and until released in accordance with Section 10.06, each Guarantee shall remain in full force and effect and continue to be
effective should any petition be filed by or against the Issuers for liquidation, reorganization, should the Issuers become insolvent or make an assignment for the benefit of creditors or should a receiver or trustee be appointed for all or any
significant part of the Issuers’ assets, and shall, to the fullest extent permitted by law, continue to be effective or be reinstated, as the case may be, if at any time payment and performance of the Notes are, pursuant to applicable law,
rescinded or reduced in amount, or must otherwise be restored or returned by any obligee on the Notes or Guarantees, whether as a “voidable preference,” “fraudulent transfer” or otherwise, all as though such payment or
performance had not been made. In the event that any 

  
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payment or any part thereof, is rescinded, reduced, restored or returned, the Notes shall, to the fullest extent permitted by law, be reinstated and deemed reduced only by such amount paid and
not so rescinded, reduced, restored or returned. 
 In case any provision of any Guarantee shall be invalid, illegal or unenforceable, the
validity, legality, and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
 The Guarantee
issued by any Guarantor shall be a general senior obligation of such Guarantor and shall be pari passu in right of payment with all existing and future Senior Indebtedness of such Guarantor, if any. 

Each payment to be made by a Guarantor in respect of its Guarantee shall be made without set-off, counterclaim, reduction or diminution of any
kind or nature. 
 Section 10.02. LIMITATION ON GUARANTOR
LIABILITY 
 Each Guarantor, and by its acceptance of Notes, each
Holder, hereby confirms that it is the intention of all such parties that the Guarantee of such Guarantor not constitute a fraudulent transfer or conveyance for purposes of Bankruptcy Law, the Uniform Fraudulent Conveyance Act, the Uniform
Fraudulent Transfer Act or any similar federal or state law to the extent applicable to any Guarantee. To effectuate the foregoing intention, the Trustee, the Holders and the Guarantors hereby irrevocably agree that the obligations of each Guarantor
shall be limited to the maximum amount as will, after giving effect to such maximum amount and all other contingent and fixed liabilities of such Guarantor that are relevant under such laws and after giving effect to any collections from, rights to
receive contribution from or payments made by or on behalf of any other Guarantor in respect of the obligations of such other Guarantor under this Article X, result in the obligations of such Guarantor (other than a company that is a direct or
indirect parent of Milacron) under its Guarantee not constituting a fraudulent conveyance or fraudulent transfer under applicable law. Each Guarantor that makes a payment under its Guarantee shall be entitled upon payment in full of all guaranteed
obligations under this Indenture to contribution or reimbursement from each other Guarantor in an amount equal to such other Guarantor’s pro rata portion of such payment based on the respective net assets of all the Guarantors at the time of
such payment determined in accordance with GAAP. 
 Section 10.03. EXECUTION AND
DELIVERY OF GUARANTEE 
 To evidence its
Guarantee set forth in Section 10.01 hereof, each Guarantor hereby agrees that this Indenture or a supplemental indenture hereto in substantially the form of Exhibit D hereto, as the case may be, shall be executed on behalf of such Guarantor by
its President, Chairman, Chief Executive Officer, one of its Vice Presidents, one of its Assistant Vice Presidents, its Chief Financial Officer or Treasurer (or by the President, Chairman, Chief Executive Officer, one of the Vice Presidents, one of
the Assistant Vice Presidents, the Chief Financial Officer or the Treasurer of its sole member, as applicable). 
 Each Guarantor hereby
agrees that its Guarantee set forth in Section 10.01 hereof shall remain in full force and effect notwithstanding the absence of the endorsement of any notation of such Guarantee on the Notes. 

If an Officer whose signature is on this Indenture no longer holds that office at the time the 

Trustee authenticates the Note, the Guarantee shall be valid nevertheless. 

The delivery of any Note by the Trustee, after the authentication thereof hereunder, shall constitute due delivery of the Guarantee set forth
in this Indenture on behalf of the Guarantors. 
 If required by Section 4.15 hereof, the Issuers shall cause any newly created or
acquired Restricted Subsidiary to comply with the provisions of Section 4.15 hereof and this Article X, to the extent applicable. 

  
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 Section 10.04.
SUBROGATION 
 Each Guarantor shall be subrogated to all rights of
Holders against the Issuers in respect of any amounts paid by any Guarantor pursuant to the provisions of Section 10.01 hereof; provided that, if an Event of Default has occurred and is continuing, no Guarantor shall be entitled to
enforce or receive any payments arising out of, or based upon, such right of subrogation until all amounts then due and payable by the Issuers under this Indenture or the Notes shall have been paid in full. 

Section 10.05. BENEFITS ACKNOWLEDGED 

Each Guarantor acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated by this Indenture
and that the guarantee and waivers made by it pursuant to its Guarantee are knowingly made in contemplation of such benefits. 

Section 10.06. RELEASE OF
GUARANTEES 
 A Guarantee by a Guarantor shall be automatically and unconditionally
released, discharged and terminated and no further action by the Guarantor, the Issuers or the Trustee is required for the release of the Guarantor’s Guarantee, upon: 

(a) any sale, exchange or transfer (by merger or otherwise) of (i) the Capital Stock of such Guarantor (including any
sale, exchange or transfer), after which the applicable Guarantor is no longer a Restricted Subsidiary or (ii) all or substantially all the assets of such Guarantor, which sale, exchange or transfer is made in compliance with the applicable
provisions of this Indenture; provided, however, that such Guarantor is also released from its guarantees and all pledges and security, if any, granted in connection with the ABL Credit Agreement, the Term Loan Credit Agreement and the Secured
Notes; 
 (b) in the case of a guarantee as a result of compliance with Section 4.12, the release, discharge or
termination of the guarantee by such Guarantor of the guarantee that resulted in the creation of such Guarantee (it being understood that a release subject to contingent reinstatement is still a release and that if such guarantee is reinstated, such
Guarantee shall also be reinstated to the extent that such Guarantor would then be required to provide a Guarantee), except a release, discharge or termination by or as a result of payment under such guarantee; 

(c) the designation of any Restricted Subsidiary that is a Guarantor as an Unrestricted Subsidiary in accordance with this
Indenture; 
 (d) upon the merger or consolidation of any Guarantor with and into Milacron or another Guarantor that is the
surviving Person in such merger or consolidation, or upon the liquidation of such Guarantor following the transfer of all of its assets to Milacron or another Guarantor; 

(e) the exercise by the Issuers of its Legal Defeasance option or Covenant Defeasance option in accordance with Article VIII
hereof or the discharge of the Issuers’ obligations under this Indenture in accordance with Article XII hereof; 
 (f)
subject to customary contingent reinstatement provisions, upon payment in full of the aggregate principal amount of all Notes then outstanding and all other applicable Obligations Guaranteed by such Guarantor then due and owing; or 

(g) (i) the release, discharge or termination of the guarantee by such Guarantor (or, in the case of the ABL Credit Agreement,
such Guarantor ceasing to be a borrower thereunder) under each of the ABL Credit Agreement, the Term Loan Credit Agreement and the Secured Notes or (ii) in the case of a guarantee made by a Guarantor as a result of its incurrence or guarantee
of other Indebtedness pursuant to Section 4.15 hereof, the release, discharge or termination of relevant Indebtedness or guarantee thereunder, as applicable (it being understood that a release subject to contingent reinstatement is still a
release and that if such guarantee is reinstated, such Guarantee shall also be reinstated to the extent that such Guarantor would then be required to provide a Guarantee), in each case, except a release, discharge or termination by or as a result of
payment under such Guarantee. 

  
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 ARTICLE XI 

[RESERVED] 

ARTICLE XII 

SATISFACTION AND DISCHARGE 

Section 12.01. SATISFACTION AND
DISCHARGE 
 This Indenture shall be discharged and shall cease to be of further
effect as to all Notes, when either: 
 (a) all Notes theretofore authenticated and delivered, except lost, stolen or
destroyed Notes which have been replaced or paid and Notes for whose payment money has theretofore been deposited in trust, have been delivered to the Trustee for cancellation; or 

(b) (i) all Notes not theretofore delivered to the Trustee for cancellation have become due and payable by reason of the making
of a notice of redemption or otherwise, will become due and payable within one year or are to be called for redemption and redeemed within one year under arrangements satisfactory to the Trustee for the giving of notice of redemption by the Trustee
in the name, and at the expense, of the Issuers, and the Issuers or any Guarantor has irrevocably deposited or caused to be deposited with the Trustee as trust funds in trust solely for the benefit of the Holders of the Notes, cash in U.S. dollars,
Government Securities, or a combination thereof, in such amounts as will be sufficient, without consideration of any reinvestment of interest to pay and discharge the entire indebtedness on the Notes not theretofore delivered to the Trustee for
cancellation for principal, premium, if any, and accrued interest to the date of maturity or redemption; 
 (ii) the Issuers
have paid or caused to be paid all sums payable by them under this Indenture; and 
 (iii) the Issuers have delivered
irrevocable instructions to the Trustee to apply the deposited money toward the payment of the Notes at maturity or the Redemption Date, as the case may be. 

In addition, the Issuers must deliver an Officer’s Certificate and an Opinion of Counsel to the Trustee stating that all conditions
precedent to satisfaction and discharge have been satisfied; provided, however, that any counsel may rely on an Officer’s Certificate as to matters of fact. 

Notwithstanding the satisfaction and discharge of this Indenture, if money shall have been deposited with the Trustee pursuant to subsection
(b)(i) of this Section 12.01, the provisions of Section 12.02 and Section 8.06 hereof shall survive. 

Section 12.02. APPLICATION OF TRUST
MONEY 
 Subject to the provisions of Section 8.06 hereof, all money deposited
with the Trustee pursuant to Section 12.01 hereof shall be held in trust and applied by it, in accordance with the provisions of the Notes and this Indenture, to the payment, either directly or through any Paying Agent (including an Issuer
acting as its own Paying Agent) as the Trustee may determine, to the Persons entitled thereto, of the principal (and premium, if any) and interest for whose payment such money has been deposited with the Trustee; but such money need not be
segregated from other funds except to the extent required by law. 
 If the Trustee or Paying Agent is unable to apply any money or
Government Securities in accordance with Section 12.01 hereof by reason of any legal proceeding or by reason of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, the
Issuers’ and any Guarantor’s obligations under this Indenture and the Notes shall be revived and reinstated as though no deposit 

  
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had occurred pursuant to Section 12.01 hereof; provided that if the Issuers have made any payment of principal of, premium, if any, or interest on any Notes because of the
reinstatement of its obligations, the Issuers shall be subrogated to the rights of the Holders of such Notes to receive such payment from the money or Government Securities held by the Trustee or Paying Agent. 

ARTICLE XIII  

MISCELLANEOUS 

Section 13.01. TRUST INDENTURE ACT
CONTROLS 
 If any provision of this Indenture limits, qualifies or conflicts with
the duties imposed by Trust Indenture Act Section 318(c) in respect of the sections of the Trust Indenture Act that are expressly incorporated by reference in this Indenture pursuant to Section 1.03, the imposed duties shall control. 

Section 13.02. NOTICES 

Any notice or communication by the Issuers, any Guarantor or the Trustee to the others is duly given if in writing and delivered in person or
mailed by first-class mail (registered or certified, return receipt requested), fax or overnight air courier guaranteeing next day delivery, to the others’ address: 

If to the Issuers and/or any Guarantor: 

Milacron LLC 
 Milacron Finance
Corp. 
 c/o Milacron LLC 
 3010
Disney Street 
 Cincinnati, OH 45209 

(513) 487-5000 
 Attention:
General Counsel 
 Facsimile No.: (513) 487-5086 

With a copy to: 
 Weil,
Gotshal & Manges LLP 
 767 Fifth Avenue 

New York, New York 10153 

Attention: Heather Emmel 

Facsimile No.: (212) 310-8007 

If to the Trustee: 
 U.S. Bank
National Association 
 EP-MN-WS3C 

60 Livingston Avenue 
 St. Paul MN
55107-1419 
 Attention: Corporate Trust Services, Raymond S. Haverstock 

Facsimile: (651) 495-8097 

The Issuers, any Guarantor or the Trustee by notice to the others, may designate additional or different addresses for subsequent notices or
communications. 
 All notices and communications (other than those sent to Holders) shall be deemed to have been duly given: at the time
delivered by hand, if personally delivered; at the time sent, if delivered electronically, five calendar days after being deposited in the mail, postage prepaid, if mailed by first-class mail; when receipt

  
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acknowledged, if faxed; and the next Business Day after timely delivery to the courier, if sent by overnight air courier guaranteeing next day delivery; provided that any notice or
communication delivered to the Trustee shall be deemed effective upon actual receipt thereof. 
 Any notice or communication to a Holder
shall be mailed by first-class mail, certified or registered, return receipt requested, or by overnight air courier guaranteeing next day delivery to its address shown on the Note Register kept by the Registrar. Any notice or communication shall
also be so mailed to any Person described in Trust Indenture Act Section 313(c), to the extent required by the Trust Indenture Act. Failure to mail a notice or communication to a Holder or any defect in it shall not affect its sufficiency with
respect to other Holders. 
 Notwithstanding any other provision of this Indenture or any Note, where this Indenture or any Note provides
for notice of any event or any other communication (including any notice of redemption or repurchase) to a holder of a Global Note (whether by mail or otherwise), such notice shall be sufficiently given if given to the Depositary (or its designee)
pursuant to the standing instructions from the Depositary or its designee, including by electronic mail in accordance with accepted practices at the Depositary. 

If a notice or communication is mailed in the manner provided above within the time prescribed, it is duly given, whether or not the addressee
receives it. 
 If the Issuers mail a notice or communication to Holders, they shall mail a copy to the Trustee and each Agent at the same
time. 
 Section 13.03. COMMUNICATION BY HOLDERS OF
NOTES WITH OTHER HOLDERS OF NOTES 

Holders may communicate pursuant to Trust Indenture Act Section 312(b) with other Holders with respect to their rights under this
Indenture or the Notes. The Issuers, the Trustee, the Registrar and anyone else shall have the protection of Trust Indenture Act Section 312(c). 

Section 13.04. CERTIFICATE AND OPINION AS TO
CONDITIONS PRECEDENT 
 Upon any request or application by the
Issuers or any of the Guarantors to the Trustee to take any action under this Indenture, the Issuers or such Guarantor, as the case may be, shall furnish to the Trustee: 

(a) an Officer’s Certificate of the Issuers in form reasonably satisfactory to the Trustee (which shall include the
statements set forth in Section 13.05 hereof) stating that, in the opinion of the signers, all conditions precedent and covenants, if any, provided for in this Indenture relating to the proposed action have been satisfied; and 

(b) an Opinion of Counsel in form reasonably satisfactory to the Trustee (which shall include the statements set forth in
Section 13.05 hereof) stating that, in the opinion of such counsel, all such conditions precedent and covenants have been satisfied. 

Section 13.05. STATEMENTS REQUIRED IN CERTIFICATE
OR OPINION 
 Each certificate or opinion with respect to compliance
with a condition or covenant provided for in this Indenture (other than a certificate provided pursuant to Section 4.04 hereof or Trust Indenture Act Section 314(a)(4)) shall comply with the provisions of Trust Indenture Act Section 314(e)
and shall include: 
 (a) a statement that the Person making such certificate or opinion has read such covenant or condition;

 (b) a brief statement as to the nature and scope of the examination or investigation upon which the statements or opinions
contained in such certificate or opinion are based; 

  
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 (c) a statement that, in the opinion of such Person, he or she has made such
examination or investigation as is necessary to enable him to express an informed opinion as to whether or not such covenant or condition has been complied with (and, in the case of an Opinion of Counsel, may be limited to reliance on an
Officer’s Certificate, certificates of public officials or reports or opinions of experts as to matters of fact); and 

(d) a statement as to whether or not, in the opinion of such Person, such condition or covenant has been complied with. 

Section 13.06. RULES BY TRUSTEE AND
AGENTS 
 The Trustee may make reasonable
rules for action by or at a meeting of Holders. The Registrar or Paying Agent may make reasonable rules and set reasonable requirements for its functions. 

Section 13.07. NO PERSONAL LIABILITY OF
DIRECTORS, OFFICERS, EMPLOYEES AND STOCKHOLDERS 

No past, present or future director, officer, manager, employee, incorporator or stockholder of Milacron or any of its Subsidiaries or any of
their respective direct or indirect parent entities shall have any liability for any obligations of the Issuers or the Guarantors under the Notes, the Guarantees or this Indenture or for any claim based on, in respect of, or by reason of such
obligations or their creation. Each Holder by accepting Notes waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes. 

Section 13.08. GOVERNING LAW 

THIS INDENTURE, THE NOTES AND ANY GUARANTEE WILL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 

Section 13.09. WAIVER OF JURY
TRIAL 
 EACH OF THE ISSUERS, THE GUARANTORS AND THE TRUSTEE HEREBY IRREVOCABLY
WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING TO THIS INDENTURE, THE NOTES OR THE TRANSACTIONS CONTEMPLATED HEREBY. 

Section 13.10. FORCE MAJEURE 

In no event shall the Trustee be responsible or liable for any failure or delay in the performance of its obligations under this Indenture
arising out of or caused by, directly or indirectly, forces beyond its reasonable control, including without limitation strikes, work stoppages, accidents, acts of war or terrorism, civil or military disturbances, nuclear or natural catastrophes or
acts of God, and interruptions, loss or malfunctions of utilities, communications or computer (software or hardware) services. 

Section 13.11. NO ADVERSE INTERPRETATION OF
OTHER AGREEMENTS 
 This Indenture may not be used to interpret any
other indenture, loan or debt agreement of the Issuers or the Restricted Subsidiaries or of any other Person. Any such indenture, loan or debt agreement may not be used to interpret this Indenture. 

Section 13.12. SUCCESSORS 

All agreements of the Issuers in this Indenture and the Notes shall bind their respective successors. All agreements of the Trustee in this
Indenture shall bind its successors. All agreements of each Guarantor in this Indenture shall bind its successors, except as otherwise provided in Sections 5.01(c)(1), 5.01(d), 5.02 and 10.06 hereof. 

  
 -100- 

 Section 13.13.
SEVERABILITY 
 In case any provision in this Indenture or in
the Notes shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

Section 13.14. COUNTERPART ORIGINALS 

The parties may sign any number of copies of this Indenture. Each signed copy shall be an original, but all of them together represent the same
agreement. 
 Section 13.15. TABLE OF CONTENTS, HEADINGS,
ETC. 
 The Table of Contents, Cross-Reference Table and headings of the Articles and Sections of this
Indenture have been inserted for convenience of reference only, are not to be considered a part of this Indenture and shall in no way modify or restrict any of the terms or provisions hereof. 

Section 13.16. PATRIOT ACT 

The parties hereto acknowledge that in accordance with Section 326 of the U.S.A. Patriot Act (the “Patriot Act”), the
Trustee, like all financial institutions and in order to help fight the funding of terrorism and money laundering, is required to obtain, verify and record information that identifies each person or legal entity that establishes a relationship or
opens an account with the Trustee. The parties to this Indenture agree that they shall provide the Trustee with such information as it may request in order for the Trustee to satisfy the requirements of the Patriot Act. 

[Signatures on following pages] 

  
 -101- 

 SIGNATURES 

Dated as of March 28, 2013 
  

			
	
	ISSUERS:
	
	MILACRON LLC
		
	By:		 /s/ John C. Francy

	Name:		John C. Francy
	Title:		Vice President-Finance, Chief Financial Officer and Treasurer
	
	MCRON FINANCE CORP.
		
	By:		 /s/ John C. Francy

	Name:		John C. Francy
	Title:		Vice President-Finance, Chief Financial Officer and Treasurer

 SIGNATURE PAGES TO THE SENIOR NOTE INDENTURE 

			
	
	GUARANTORS:
	
	MILACRON HOLDINGS, INC.
		
	By:		 /s/ John C. Francy

	Name:		John C. Francy
	Title:		Vice President-Finance, Chief Financial Officer and Treasurer
	
	MILACRON PLASTICS TECHNOLOGIES GROUP LLC
		
	By:		 /s/ John C. Francy

	Name:		John C. Francy
	Title:		Chief Financial Officer and Treasurer
	
	DME COMPANY LLC
		
	By:		 /s/ John C. Francy

	Name:		John C. Francy
	Title:		Chief Financial Officer and Treasurer
	
	CIMCOOL INDUSTRIAL PRODUCTS LLC
		
	By:		 /s/ John C. Francy

	Name:		John C. Francy
	Title:		Chief Financial Officer and Treasurer
	
	MILACRON MARKETING COMPANY LLC
		
	By:		 /s/ John C. Francy

	Name:		John C. Francy
	Title:		Chief Financial Officer and Treasurer

 SIGNATURE PAGES TO THE SENIOR NOTE INDENTURE 

			
	TRUSTEE:
	
	U.S. BANK NATIONAL ASSOCIATION
		
	By:		 /s/ Raymond S. Haverstock

	Name:		Raymond S. Haverstock
	Title:		Vice President

 SIGNATURE PAGES TO THE SENIOR NOTE INDENTURE 

 EXHIBIT A 

[FACE OF NOTE] 

[Insert the Global Note Legend, if applicable pursuant to the provisions of the Indenture] 

[Insert the Private Placement Legend, if applicable pursuant to the provisions of the Indenture] 

[Insert the Regulation S Temporary Global Note Legend, if applicable pursuant to the provisions of the Indenture] 

  
 A-1 

 CUSIP [            ] 

7.750% Senior Note due 2021 
  

			
	No. [                    ]		[$        ]

 MILACRON LLC 

MCRON FINANCE CORP. 
 promise to pay to
Cede & Co. or its registered assigns, the principal sum [of          Dollars] ($        ) [, as revised by the Schedule of Exchanges of Interests in the
Global Note attached hereto,] on February 15, 2021. 
 Interest Payment Dates: February 15 and August 15, commencing August 15, 2013

 Record Dates: February 1 and August 1, commencing August 1, 2013 

  
 A-2 

 IN WITNESS HEREOF, each of the Issuers has caused this instrument to be duly executed. 

Dated: [                    ] 

 

			
	MILACRON LLC
		
	By:		  

	Name:		
	Title:		
	
	MCRON FINANCE CORP.
		
	By:		  

	Name:		
	Title:		

  
 A-3 

 This is one of the Notes referred to in the within-mentioned Indenture: 

Dated: 
  

			
	U.S. BANK NATIONAL ASSOCIATION
	as Trustee
		
	By:		  

			Authorized Signatory

  
 A-4 

 [Back of Note] 

7.750% Senior Note due 2021 

Capitalized terms used herein shall have the meanings assigned to them in the Indenture referred to below unless otherwise indicated. 

1. INTEREST. 
 Milacron LLC, a
Delaware limited liability company (“Milacron”) and Mcron Finance Corp., a Delaware corporation (“Finance Corp” and together with Milacron, the “Issuers”), promise to pay interest on the principal
amount of this Note at a rate per annum set forth below from March 28, 2013 until maturity. The Issuers will pay interest on this Note semi-annually in arrears on February 15 and August 15 of each year, commencing on August 15,
2013, or if any such day is not a Business Day, on the next succeeding Business Day (each, an “Interest Payment Date”), and no interest shall accrue on such payment for the intervening period. The Issuers will make each interest
payment to the Holder of record of this Note on the immediately preceding February 1 and August 1, commencing on August 1, 2013 (each, a “Record Date”). Interest on this Note will accrue from the most recent date to
which interest has been paid or, if no interest has been paid, from and including March 28, 2013. The Issuers will pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal and premium, if
any, from time to time on demand at the rate then in effect; they shall pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue installments of interest (without regard to any applicable grace periods),
from time to time on demand at the same rate to the extent lawful. Interest will be computed on the basis of a 360-day year comprised of twelve 30-day months. Interest will be fixed at a rate equal to 7.750%. 

2. METHOD OF PAYMENT. 
 The
Issuers will pay interest on this Note to the Person who is the registered Holder of this Note at the close of business on the Record Date (whether or not a Business Day) next preceding the Interest Payment Date, even if this Note is canceled after
such record date and on or before such Interest Payment Date, except as provided in Section 2.12 of the Indenture with respect to defaulted interest. Payment of interest may be made by check mailed to the Holders at their addresses set forth in
the Note Register of Holders, provided that [all payments of principal, premium, if any, and interest on, this Note will be made by wire transfer of immediately available funds to the accounts specified by the Holder or Holders thereof to the
Issuers or the Paying Agent at least five Business Days in advance of the applicable Interest Payment Date]1 [all payments of principal, premium, if any, and interest on, this Note will be made by
wire transfer to a U.S. dollar account maintained by the payee with a bank in the United States if such Holder elects payment by wire transfer by giving written notice to the Trustee or the Paying Agent to such effect designating such account no
later than 30 days immediately preceding the relevant due date for payment (or such other date as the Trustee may accept in its discretion)].2 Such payment shall be in such coin or currency of the
United States of America as at the time of payment is legal tender for payment of public and private debts. 
 3. PAYING AGENT AND
REGISTRAR. 
 Initially, U.S. Bank National Association, the Trustee under the Indenture, will act as Paying Agent and Registrar. The Issuers
may change any Paying Agent or Registrar without notice to the Holders. Milacron or any of its Subsidiaries may act as Paying Agent or Registrar. 
  

 

	1 	Applicable if this Note is represented by a Global Note registered in the name of or held by DTC or its nominee on the relevant record date. 

	2 	Applicable if this Note is represented by certificated notes. 

  
 A-5 

 4. INDENTURE. 

The Issuers issued the Notes under an Indenture, dated as of March 28, 2013 (the “Indenture”), among the Issuers, the
Guarantors from time to time parties thereto, and the Trustee. This Note is one of a duly authorized issue of notes of the Issuers designated as their Senior Notes due February 15, 2021. The Issuers shall be entitled to issue Additional Notes
pursuant to Section 2.01 of the Indenture. The Notes and any Additional Notes issued under the Indenture shall be treated as a single class of securities under the Indenture. The terms of the Notes include those stated in the Indenture and
those made part of the Indenture by reference to the Trust Indenture Act of 1939, as amended (the “Trust Indenture Act”). The Notes are subject to all such terms, and Holders are referred to the Indenture and such Act for a
statement of such terms. To the extent any provision of this Note conflicts with the express provisions of the Indenture, the provisions of the Indenture shall govern and be controlling. 

5. OPTIONAL REDEMPTION. 
 The
Notes are not subject to optional redemption except as set forth below in this Section 5: 
 (a) At any time prior to
February 15, 2016, the Notes may be redeemed or purchased (by the Issuers or any other Person) at a redemption price equal to 100% of the principal amount of the Notes redeemed plus the Applicable Premium as of the date of redemption (the
“Redemption Date”), and, without duplication, accrued and unpaid interest to, but not including, the Redemption Date, subject to the rights of Holders on the relevant record date to receive interest due on the relevant interest
payment date. Such redemption or purchase may be made upon notice mailed by first-class mail to each Holder’s registered address (or otherwise delivered in accordance with the applicable DTC procedures), not less than 30 nor more than 60 days
prior to the Redemption Date. The Issuers may provide in such notice that payment of the redemption price and performance of the Issuers’ obligations with respect to such redemption or purchase may be performed by another Person. The Trustee
shall have no duty to calculate or verify the calculation of the Applicable Premium. 
 (b) On and after February 15,
2016, the Notes may be redeemed, at the Issuers’ option, in whole or in part, at any time and from time to time at the redemption prices set forth below. Such redemption may be made upon notice mailed by first-class mail to each Holder’s
registered address (or otherwise delivered in accordance with the applicable DTC procedures), not less than 30 nor more than 60 days prior to the Redemption Date. The Issuers may provide in such notice that the payment of the redemption price and
the performance of the Issuers’ obligations with respect to such redemption may be performed by another Person. The Notes will be redeemable at the redemption prices (expressed as percentages of principal amount of the Notes to be redeemed) set
forth below plus accrued and unpaid interest thereon to, but not including, the applicable Redemption Date, subject to the right of Holders of record on the relevant record date to receive interest due on the relevant interest payment date, if
redeemed during the twelve-month period beginning on February 15 of each of the years indicated below: 
  

					
	 Year
	  	Percentage	 
	 2016
	  	 	105.813	% 
	 2017
	  	 	103.875	% 
	 2018
	  	 	101.938	% 
	 2019 and thereafter
	  	 	100.000	% 

 (c) Until February 15, 2016, the Issuers may, at their option, on one or more occasions,
redeem up to 40% of the then outstanding aggregate principal amount of Notes (including any Additional Notes issued under the Indenture after the Issue Date) at a redemption price equal to 107.750% of the aggregate principal amount thereof, plus
accrued and unpaid interest thereon to, but not including, the applicable Redemption Date, subject to the right of Holders of record on the relevant record date to receive interest due on the relevant interest payment date, with the net cash
proceeds of one or more Equity Offerings to the extent such net cash proceeds are contributed to Milacron; provided that at least 60% of the sum of the aggregate principal amount of Notes originally issued under the Indenture and any
Additional Notes issued under the Indenture after the Issue Date remains outstanding immediately after the occurrence of each such redemption; provided further that each such redemption occurs within 90 days of the date of closing of each
such Equity Offering or sale. 

  
 A-6 

 (d) Any prepayment pursuant to this paragraph shall be made pursuant to the
provisions of Sections 3.01 through 3.06 of the Indenture. 
 6. MANDATORY REDEMPTION. 

Except as set forth in Sections 4.10 and 4.14 of the Indenture, the Issuers shall not be required to make mandatory redemption or sinking fund
payments with respect to the Notes. 
 7. NOTICE OF REDEMPTION. 

Subject to Section 3.03 of the Indenture, notice of redemption will be given at least 30 days but not more than 60 days before the
Redemption Date (except that redemption notices may be given more than 60 days prior to a Redemption Date if the notice is issued in connection with Article VIII or Article XII of the Indenture) to each Holder whose Notes are to be redeemed at its
registered address. Notes in denominations larger than $2,000 may be redeemed in part but only in integral multiples of $1,000, unless all of the Notes held by a Holder are to be redeemed. On and after the Redemption Date, interest ceases to accrue
on this Note or portions thereof called for redemption. 
 8. OFFERS TO REPURCHASE. 

Upon the occurrence of a Change of Control, the Issuers shall make a Change of Control Offer in accordance with Section 4.14 of the
Indenture. In connection with certain Asset Sales, the Issuers shall make an Asset Sale Offer as and when provided in accordance with Section 4.10 of the Indenture. 

9. DENOMINATIONS, TRANSFER, EXCHANGE. 

The Notes are in registered form without coupons in denominations of $2,000 and integral multiples of $1,000. The transfer of Notes may be
registered and Notes may be exchanged as provided in the Indenture. The Registrar and the Trustee may require a Holder, among other things, to furnish appropriate endorsements and transfer documents and the Issuers may require a Holder to pay any
taxes and fees required by law or permitted by the Indenture. The Issuers need not exchange or register the transfer of any Note or portion of a Note selected for redemption, except for the unredeemed portion of any Note being redeemed in part.
Also, the Issuers need not exchange or register the transfer of any Notes for a period of 15 days before a selection of Notes to be redeemed. 

10. PERSONS DEEMED OWNERS. 
 The
registered Holder of a Note may be treated as its owner for all purposes. 
 11. AMENDMENT, SUPPLEMENT AND WAIVER. 

The Indenture, the Guarantees or the Notes may be amended or supplemented as provided in the Indenture. 

12. DEFAULTS AND REMEDIES. 
 The
Events of Default relating to the Notes are defined in Section 6.01 of the Indenture. If any Event of Default occurs and is continuing, the Trustee or the Holders of at least 25% in principal amount of the then outstanding Notes may declare the
principal, premium, if any, interest and any other monetary obligations on all the then outstanding Notes to be due and payable immediately. Notwithstanding the foregoing, in the case of an Event of Default arising from certain events of bankruptcy
or insolvency, all outstanding Notes will become due and payable immediately without further action or notice. Holders may not enforce the Indenture, the Guarantees or the 

  
 A-7 

 
Notes except as provided in the Indenture. Subject to certain limitations, Holders of a majority in aggregate principal amount of the then outstanding Notes may direct the Trustee in its exercise
of any trust or power. The Trustee may withhold from Holders of the Notes notice of any continuing Default (except a Default relating to the payment of principal, premium, if any, or interest) if it determines that withholding notice is in their
interest. The Holders of a majority in aggregate principal amount of the Notes then outstanding by notice to the Trustee may on behalf of the Holders of all of the Notes waive any existing Default or and its consequences under the Indenture except a
continuing Default in payment of the principal of, premium, if any, or interest on, any of the Notes held by a non-consenting Holder. Milacron is required to deliver to the Trustee annually a statement regarding compliance with the Indenture, and
the Issuers are required within ten (10) Business Days after becoming aware of any Default, to deliver to the Trustee a statement specifying such Default. 

13. AUTHENTICATION. 
 This Note
shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose until authenticated by the manual signature of the Trustee. 

14. GOVERNING LAW. 
 THE LAWS OF
THE STATE OF NEW YORK SHALL GOVERN AND BE USED TO CONSTRUE THE INDENTURE, THE NOTES AND THE GUARANTEES. 
 15. CUSIP AND ISIN NUMBERS. 

Pursuant to a recommendation promulgated by the Committee on Uniform Security Identification Procedures, the Issuers have caused CUSIP and ISIN
numbers to be printed on the Notes and the Trustee may use CUSIP and ISIN numbers in notices of redemption as a convenience to Holders. No representation is made as to the accuracy of such numbers either as printed on the Notes or as contained in
any notice of redemption and reliance may be placed only on the other identification numbers placed thereon. 
 The Issuers will furnish to
any Holder upon written request and without charge a copy of the Indenture. Requests may be made to the Issuers at the following address: 

Milacron LLC 
 3010 Disney Street

 Cincinnati, OH 45209 

(513) 487-5000 
 Attention:
General Counsel 

  
 A-8 

 ASSIGNMENT FORM 

To assign this Note, fill in the form below: 
  

			
	(I) or (we) assign and transfer this Note to:		  

			(Insert assignee’s legal name)

	
	  

	(Insert assignee’s soc. sec. or tax I.D. no.)
	  

	  

	  

	  

	(Print or type assignee’s name, address and zip code)

  

			
	 and irrevocably appoint
		  

	
	
	 to transfer this Note on the books of the Issuers. The agent may substitute another to act for him.

	

 Date:
                                     

					
			Your Signature:		  

					 (Sign exactly as your name appears on the

face of this Note)

 Signature Guarantee*:
                                         
                                

 

	*	Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 

  
 A-9 

 OPTION OF HOLDER TO ELECT PURCHASE 

If you want to elect to have this Note purchased by the Issuers pursuant to Section 4.10 or 4.14 of the Indenture, check the appropriate
box below: 
  

			
	 ̈ Section 4.10		 ̈ Section 4.14

 If you want to elect to have only part of this Note purchased by the Issuers pursuant to Section 4.10 or
Section 4.14 of the Indenture, state the amount you elect to have purchased: 
 $         

Date:
                                     

 

							
			 	Your Signature:	  		  

							 (Sign exactly as your name appears on the

face of this Note)

			
			 	Tax Identification No.:	  		  

					
			
	Signature Guarantee*:
                                         
   				

  

	*	Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 

  
 A-10 

 SCHEDULE OF EXCHANGES OF INTERESTS IN THE GLOBAL NOTE* 

The following exchanges of a part of this Global Note for an interest in another Global Note or for a Definitive Note, or exchanges of a part
of another Global or Definitive Note for an interest in this Global Note have been made: 
  

									
	 Date of

Exchange
	 	 Amount of decrease
in Principal Amount
of this Global
Note
	 	 Amount of increase in
Principal Amount of
this Global
Note
	 	 Principal Amount of
this Global Note
following
such
decrease or increase
	 	 Signature of
authorized officer of
Trustee or
Custodian

		 		 		 		 	
		 		 		 		 	
		 		 		 		 	
		 		 		 		 	
		 		 		 		 	
		 		 		 		 	
		 		 		 		 	
		 		 		 		 	

  

	*	This schedule should be included only if the Note is issued in global form. 

  
 A-11 

 EXHIBIT B 

FORM OF CERTIFICATE OF TRANSFER 
 Milacron
LLC 
 3010 Disney Street 
 Cincinnati, OH 45209 

(513) 487-5000 
 Attention: General Counsel 

U.S. Bank National Association 
 Corporate Trust Services 

EP-MN-W53C 
 60 Livingston Avenue 

St. Paul, Minnesota 55107-1419 
  

	 	Re:	7.750% Senior Notes due 2021 

 Reference is hereby made to the Indenture, dated as of
March 28, 2013 (the “Indenture”), among Milacron LLC, a Delaware limited liability company (“Milacron”) and Mcron Finance Corp., a Delaware corporation (“Finance Corp” and, together with
Milacron, the “Issuers”), the Guarantors from time to time parties thereto, and the Trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture. 

                     (the
“Transferor”) owns and proposes to transfer the Note[s] or interest in such Note[s] specified in Annex A hereto, in the principal amount of $         in such Note[s] or interests (the
“Transfer”), to                      (the “Transferee”), as further specified in Annex A hereto. In connection with
the Transfer, the Transferor hereby certifies that: 
 [CHECK ALL THAT APPLY] 

1.  ̈ CHECK IF TRANSFEREE WILL TAKE DELIVERY OF A BENEFICIAL INTEREST IN THE RELEVANT 144A
GLOBAL NOTE OR RELEVANT DEFINITIVE NOTE PURSUANT TO RULE 144A. The Transfer is being effected pursuant to and in accordance with Rule 144A under the United States Securities Act of 1933, as amended (the “Securities Act”), and,
accordingly, the Transferor hereby further certifies that the beneficial interest or Definitive Note is being transferred to a Person that the Transferor reasonably believes is purchasing the beneficial interest or Definitive Note for its own
account, or for one or more accounts with respect to which such Person exercises sole investment discretion, and such Person and each such account is a “qualified institutional buyer” within the meaning of Rule 144A in a transaction
meeting the requirements of Rule 144A and such Transfer is in compliance with any applicable blue sky securities laws of any state of the United States. 

2.  ̈ CHECK IF TRANSFEREE WILL TAKE DELIVERY OF A BENEFICIAL INTEREST IN THE RELEVANT
REGULATION S GLOBAL NOTE OR RELEVANT DEFINITIVE NOTE PURSUANT TO REGULATION S. The Transfer is being effected pursuant to and in accordance with Rule 903 or Rule 904 under the Securities Act and, accordingly, the Transferor hereby further certifies
that (i) the Transfer is not being made to a person in the United States and (x) at the time the buy order was originated, the Transferee was outside the United States or such Transferor and any Person acting on its behalf reasonably
believed and believes that the Transferee was outside the United States or (y) the transaction was executed in, on or through the facilities of a designated offshore securities market and neither such Transferor nor any Person acting on its
behalf knows that the transaction was prearranged with a buyer in the United States, (ii) no directed selling efforts have been made in contravention of the requirements of Rule 903(b) or Rule 904(a) of Regulation S under the Securities Act,
(iii) the transaction is not part of a plan or scheme to evade the registration requirements of the Securities Act and (iv) if the proposed transfer is being made prior to the expiration of the Restricted Period, the transfer is not being
made to a U.S. Person or for the account or benefit of a U.S. Person (other than an Initial Purchaser). Upon consummation of the proposed transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Definitive Note
will be subject to the restrictions on Transfer enumerated in the Indenture and the Securities Act. 

  
 B-1 

 3.  ̈ CHECK AND COMPLETE IF TRANSFEREE WILL TAKE
DELIVERY OF A BENEFICIAL INTEREST IN THE RELEVANT DEFINITIVE NOTE PURSUANT TO ANY PROVISION OF THE SECURITIES ACT OTHER THAN RULE 144A OR REGULATION S. The Transfer is being effected in compliance with the transfer restrictions applicable to
beneficial interests in Restricted Global Notes and Restricted Definitive Notes and pursuant to and in accordance with the Securities Act and any applicable blue sky securities laws of any state of the United States, and accordingly the Transferor
hereby further certifies that (check one): 
 (a)  ̈ such Transfer is being
effected pursuant to and in accordance with Rule 144 under the Securities Act; 
 or 

(b)  ̈ such Transfer is being effected to an Issuer or a subsidiary thereof;

 or 

(c)  ̈ such Transfer is being effected pursuant to an effective registration
statement under the Securities Act and in compliance with the prospectus delivery requirements of the Securities Act. 
 4.  ̈ CHECK IF TRANSFEREE WILL TAKE DELIVERY OF A BENEFICIAL INTEREST IN AN UNRESTRICTED GLOBAL NOTE OR OF AN UNRESTRICTED DEFINITIVE NOTE. 

(a)  ̈ CHECK IF TRANSFER IS PURSUANT TO RULE 144. (i) The Transfer is being effected
pursuant to and in accordance with Rule 144 under the Securities Act and in compliance with the transfer restrictions contained in the Indenture and any applicable blue sky securities laws of any state of the United States and (ii) the
restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act. Upon consummation of the proposed Transfer in accordance with the terms of the Indenture,
the transferred beneficial interest or Definitive Note will no longer be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Global Notes, on Restricted Definitive Notes and in the Indenture.

 (b)  ̈ CHECK IF TRANSFER IS PURSUANT TO REGULATION S. (i) The Transfer is being
effected pursuant to and in accordance with Rule 903 or Rule 904 under the Securities Act and in compliance with the transfer restrictions contained in the Indenture and any applicable blue sky securities laws of any state of the United States and
(ii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act. Upon consummation of the proposed Transfer in accordance with the terms of
the Indenture, the transferred beneficial interest or Definitive Note will no longer be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Global Notes, on Restricted Definitive Notes and in
the Indenture. 
 (c)  ̈ CHECK IF TRANSFER IS PURSUANT TO OTHER EXEMPTION. (i) The
Transfer is being effected pursuant to and in compliance with an exemption from the registration requirements of the Securities Act other than Rule 144, Rule 903 or Rule 904 and in compliance with the transfer restrictions contained in the Indenture
and any applicable blue sky securities laws of any State of the United States and (ii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities
Act. Upon consummation of the proposed Transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Definitive Note will not be subject to the restrictions on transfer enumerated in the Private Placement Legend
printed on the Restricted Global Notes or Restricted Definitive Notes and in the Indenture. 

  
 B-2 

 This certificate and the statements contained herein are made for your benefit and the benefit of
the Issuers. 
  

			
	[Insert Name of Transferor]
		
	By:		  

	Name:		
	Title:		

 Dated:             

  
 B-3 

 ANNEX A TO CERTIFICATE OF TRANSFER 

 

	1.	The Transferor owns and proposes to transfer the following: 

 [CHECK ONE OF (a) OR (b)] 

 

	 	(a)	 ̈    a beneficial interest in the: 

  

	 	(i)	 ̈    144A Global Note ([CUSIP: 59870XAB6]), or 

  

	 	(ii)	 ̈    Regulation S Global Note ([CUSIP: CUSIP: U60046AB2]), or 

  

	 	(b)	 ̈    a Restricted Definitive Note. 

  

	2.	After the Transfer the Transferee will hold: 

 [CHECK ONE] 

 

	 	(a)	 ̈    a beneficial interest in the: 

  

	 	(i)	 ̈    144A Global Note ([CUSIP: 59870XAB6]), or 

  

	 	(ii)	 ̈    Regulation S Global Note ([CUSIP: CUSIP: U60046AB2]), or 

  

	 	(ii)	 ̈    Unrestricted Global Note
([                    ] 

	 	 	[        ]); or 

  

	 	(b)	 ̈    a Restricted Definitive Note; or 

  

	 	(c)	 ̈    an Unrestricted Definitive Note, in accordance with the terms of the Indenture. 

  
 B-4 

 EXHIBIT C 

FORM OF CERTIFICATE OF EXCHANGE 
 Milacron
LLC 
 3010 Disney Street 
 Cincinnati, OH 45209 

(513) 487-5000 
 Attention: General Counsel 

U.S. Bank National Association 
 Corporate Trust Services 

EP-MN-W53C 
 60 Livingston Avenue 

St. Paul, Minnesota 55107-1419 
  

	 	Re:	7.750% Senior Notes due 2021 

 Reference is hereby made to the Indenture, dated as of
March 28, 2013 (the “Indenture”), among Milacron LLC, a Delaware limited liability company (“Milacron”) and Mcron Finance Corp., a Delaware corporation (“Finance Corp” and, together with
Milacron, the “Issuers”), the Guarantors from time to time parties thereto, and the Trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture. 

             (the “Owner”) owns and proposes to exchange the
Note[s] or interest in such Note[s] specified herein, in the principal amount of $         in such Note[s] or interests (the “Exchange”). In connection with the Exchange, the Owner hereby
certifies that: 
 1) EXCHANGE OF RESTRICTED DEFINITIVE NOTES OR BENEFICIAL INTERESTS IN A RESTRICTED GLOBAL NOTE FOR UNRESTRICTED
DEFINITIVE NOTES OR BENEFICIAL INTERESTS IN AN UNRESTRICTED GLOBAL NOTE OF THE SAME SERIES 
 (a)
 ̈ CHECK IF EXCHANGE IS FROM BENEFICIAL INTEREST IN A RESTRICTED GLOBAL NOTE TO BENEFICIAL INTEREST IN AN UNRESTRICTED GLOBAL NOTE OF THE SAME SERIES. In connection with the Exchange of the Owner’s
beneficial interest in a Restricted Global Note for a beneficial interest in an Unrestricted Global Note of the same series in an equal principal amount, the Owner hereby certifies (i) the beneficial interest is being acquired for the
Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to the Global Notes and pursuant to and in accordance with the United States Securities Act of 1933, as
amended (the “Securities Act”), (iii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and (iv) the beneficial
interest in an Unrestricted Global Note is being acquired in compliance with any applicable blue sky securities laws of any state of the United States. 

(b)  ̈ CHECK IF EXCHANGE IS FROM BENEFICIAL INTEREST IN A RESTRICTED GLOBAL NOTE TO
UNRESTRICTED DEFINITIVE NOTE OF THE SAME SERIES. In connection with the Exchange of the Owner’s beneficial interest in a Restricted Global Note for an Unrestricted Definitive Note of the same series, the Owner hereby certifies (i) the
Definitive Note is being acquired for the Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to the Restricted Global Notes and pursuant to and in accordance
with the Securities Act, (iii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and (iv) the Definitive Note is being acquired
in compliance with any applicable blue sky securities laws of any state of the United States. 

  
 C-1 

 (c)  ̈ CHECK IF EXCHANGE IS FROM RESTRICTED
DEFINITIVE NOTE TO BENEFICIAL INTEREST IN AN UNRESTRICTED GLOBAL NOTE OF THE SAME SERIES. In connection with the Owner’s Exchange of a Restricted Definitive Note for a beneficial interest in an Unrestricted Global Note of the same series, the
Owner hereby certifies (i) the beneficial interest is being acquired for the Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to Restricted Definitive
Notes and pursuant to and in accordance with the Securities Act, (iii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and
(iv) the beneficial interest is being acquired in compliance with any applicable blue sky securities laws of any state of the United States. 

(d)  ̈ CHECK IF EXCHANGE IS FROM RESTRICTED DEFINITIVE NOTE TO UNRESTRICTED DEFINITIVE NOTE OF
THE SAME SERIES. In connection with the Owner’s Exchange of a Restricted Definitive Note for an Unrestricted Definitive Note of the same series, the Owner hereby certifies (i) the Unrestricted Definitive Note is being acquired for the
Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to Restricted Definitive Notes and pursuant to and in accordance with the Securities Act, (iii) the
restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and (iv) the Unrestricted Definitive Note is being acquired in compliance with any
applicable blue sky securities laws of any state of the United States. 
 2) EXCHANGE OF RESTRICTED DEFINITIVE NOTES OR BENEFICIAL INTERESTS
IN RESTRICTED GLOBAL NOTES FOR RESTRICTED DEFINITIVE NOTES OF THE SAME SERIES OR BENEFICIAL INTERESTS IN RESTRICTED GLOBAL NOTES OF THE SAME SERIES. 

(a)  ̈ CHECK IF EXCHANGE IS FROM BENEFICIAL INTEREST IN A RESTRICTED GLOBAL NOTE TO RESTRICTED
DEFINITIVE NOTE OF THE SAME SERIES. In connection with the Exchange of the Owner’s beneficial interest in a Restricted Global Note for a Restricted Definitive Note of the same series with an equal principal amount, the Owner hereby certifies
that the Restricted Definitive Note is being acquired for the Owner’s own account without transfer. Upon consummation of the proposed Exchange in accordance with the terms of the Indenture, the Restricted Definitive Note issued will continue to
be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Definitive Note and in the Indenture and the Securities Act. 

(b)  ̈ CHECK IF EXCHANGE IS FROM RESTRICTED DEFINITIVE NOTE TO BENEFICIAL INTEREST IN A
RESTRICTED GLOBAL NOTE OF THE SAME SERIES. In connection with the Exchange of the Owner’s Restricted Definitive Note for a beneficial interest in the [CHECK ONE] [    ] 144A Global Note [    ] Regulation
S Global Note of the same series, with an equal principal amount, the Owner hereby certifies (i) the beneficial interest is being acquired for the Owner’s own account without transfer and (ii) such Exchange has been effected in
compliance with the transfer restrictions applicable to the Restricted Global Notes and pursuant to and in accordance with the Securities Act, and in compliance with any applicable blue sky securities laws of any state of the United States. Upon
consummation of the proposed Exchange in accordance with the terms of the Indenture, the beneficial interest issued will be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the relevant Restricted Global
Note and in the Indenture and the Securities Act. 

  
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 This certificate and the statements contained herein are made for your benefit and the benefit of
the Issuer and are dated             . 
  

			
	[Insert Name of Transferor]
		
	By:		  

	Name:		
	Title:		

 Dated:              

  
 C-3 

 EXHIBIT D 

[FORM OF SUPPLEMENTAL INDENTURE 

TO BE DELIVERED BY SUBSEQUENT GUARANTORS] 

Supplemental Indenture (this “Supplemental Indenture”), dated as of
                    , among                     
(the “Guaranteeing Subsidiary”), a subsidiary of Milacron LLC, a Delaware limited liability company (“Milacron”), and U.S. Bank National Association, as Trustee under the Indenture referred to below. 

W I T N E S S E T H 

WHEREAS, Milacron LLC, a Delaware limited liability company (“Milacron”) and Mcron Finance Corp., a Delaware corporation (the
“Co-Issuer” and together with Milacron, the “Issuers”), and the Guarantors (as defined in the Indenture referred to below) have heretofore executed and delivered to the Trustee an Indenture, dated as of
March 28, 2013 (as amended, further supplemented, waived or otherwise modified from time to time, the “Indenture”), providing for, among other things, the issuance of an unlimited aggregate principal amount of 7.750% Senior
Notes due 2021 (the “Notes”); 
 WHEREAS, Section 10.03 of the Indenture provides that the Guaranteeing Subsidiary
shall execute and deliver to the Trustee a supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Issuers’ Obligations under the Notes and the Indenture (the “Guarantee”)
on the terms and conditions set forth herein and in Article X of the Indenture; and 
 WHEREAS, pursuant to Section 9.01 of the
Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture. 
 NOW THEREFORE, in consideration of the foregoing
and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties mutually covenant and agree, for the benefit of the Holders of the Notes, as follows: 

1. Defined Terms. As used in this Supplemental Indenture, terms defined in the Indenture or in the preamble or recital hereto are used
herein as therein defined. The words “herein,” “hereof” and “hereby” and other words of similar import used in this Supplemental Indenture refer to this Supplemental Indenture as a whole and not to any particular
section hereof. 
 2. Agreement to Guarantee. The Guaranteeing Subsidiary hereby agrees as follows: 

(a) Along with all other Guarantors named in the Indenture (including pursuant to any supplemental indentures), to jointly and
severally, unconditionally guarantee to each Holder of a Note authenticated and delivered by the Trustee and to the Trustee and its successors and assigns, that: 

(i) the principal of and interest and premium, if any, on the Notes shall be promptly paid in full when due, whether at
maturity, by acceleration, redemption or otherwise, and interest on the overdue principal of and interest on the Notes, if any, if lawful, and all other obligations of the Issuers to the Holders or the Trustee under the Indenture shall be promptly
paid in full or performed, all in accordance with the terms of the Indenture; and 
 (ii) in case of any extension of time of
payment or renewal of any Notes or any of such other obligations, that same shall be promptly paid in full when due or performed in accordance with the terms of the extension or renewal, whether at stated maturity, by acceleration or otherwise.
Failing payment when due of any amount so guaranteed or any performance so guaranteed for whatever reason, the Guarantors and the Guaranteeing Subsidiary shall be jointly and severally obligated to pay the same immediately. This is a guarantee of
payment and not a guarantee of collection. 

  
 D-1 

 (b) The obligations hereunder shall be unconditional, irrespective of the
validity, regularity or enforceability of the Notes or the Indenture or the obligations of the Issuers hereunder or thereunder, the absence of any action to enforce the same, any waiver or consent by any Holder of the Notes with respect to any
provisions hereof or thereof, the recovery of any judgment against the Issuers or any other Guarantor, any action to enforce the same or any other circumstance which might otherwise constitute a legal or equitable discharge or defense of a
guarantor. 
 (c) The Guaranteeing Subsidiary hereby waives diligence, presentment, demand of payment, filing of claims with
a court in the event of insolvency or bankruptcy of the Issuers, any right to require a proceeding first against the Issuers, protest, notice and all demands whatsoever. 

(d) This Guarantee shall not be discharged except by complete performance of the obligations contained in the Notes, the
Indenture and this Supplemental Indenture. The Guaranteeing Subsidiary accepts all obligations applicable to a Guarantor under the Indenture, including Article X of the Indenture (which is deemed incorporated in this Supplemental Indenture and
applicable to this Guarantee) and, as applicable, Sections 5.01(c) and (d) and Section 5.02 of the Indenture. The Guaranteeing Subsidiary acknowledges that by executing this Supplemental Indenture, it will become a Guarantor under the
Indenture and subject to all the terms and conditions applicable to Guarantors contained therein. 
 (e) If any Holder or the
Trustee is required by any court or otherwise to return to the Issuers, the Guarantors (including the Guaranteeing Subsidiary), or any custodian, trustee, liquidator or other similar official acting in relation to either the Issuers or the
Guarantors, any amount paid either to the Trustee or such Holder, this Guarantee, to the extent theretofore discharged, shall be reinstated in full force and effect. 

(f) The Guaranteeing Subsidiary shall not be entitled to any right of subrogation in relation to the Holders in respect of any
obligations guaranteed hereby until payment in full of all obligations guaranteed hereby. 
 (g) As between the Guaranteeing
Subsidiary, on the one hand, and the Holders and the Trustee, on the other hand, (x) the maturity of the obligations guaranteed hereby may be accelerated as provided in Article VI of the Indenture for the purposes of this Guarantee,
notwithstanding any stay, injunction or other prohibition preventing such acceleration in respect of the obligations guaranteed hereby, and (y) in the event of any declaration of acceleration of such obligations as provided in Article VI of the
Indenture, such obligations (whether or not due and payable) shall forthwith become due and payable by 
 the Guaranteeing
Subsidiary for the purpose of this Guarantee. 
 (h) The Guaranteeing Subsidiary shall have the right to seek contribution
from any nonpaying Guarantor so long as the exercise of such right does not impair the rights of the Holders under this Guarantee. 

(i) Pursuant to Section 10.02 of the Indenture, after giving effect to all other contingent and fixed liabilities that are
relevant under any applicable Bankruptcy or fraudulent conveyance laws, and after giving effect to any collections from, rights to receive contribution from or payments made by or on behalf of any other Guarantor in respect of the obligations of
such other Guarantor under Article X of the Indenture, this new Guarantee shall be limited to the maximum amount permissible such that the obligations of such Guaranteeing Subsidiary under this Guarantee will not constitute a fraudulent transfer or
conveyance. 
 (j) Until released in accordance with Section 10.06 of the Indenture and Section 5 hereof, this
Guarantee shall remain in full force and effect and continue to be effective should any petition be filed by or against Milacron for liquidation, reorganization, should Milacron become insolvent or make an

  
 D-2 

 
assignment for the benefit of creditors or should a receiver or trustee be appointed for all or any significant part of the Issuers’ assets, and shall, to the fullest extent permitted by
law, continue to be effective or be reinstated, as the case may be, if at any time payment and performance of the Notes are, pursuant to applicable law, rescinded or reduced in amount, or must otherwise be restored or returned by any obligee on the
Notes and Guarantee, whether as a “voidable preference,” “fraudulent transfer” or otherwise, all as though such payment or performance had not been made. In the event that any payment or any part thereof is rescinded, reduced,
restored or returned, the Note shall, to the fullest extent permitted by law, be reinstated and deemed reduced only by such amount paid and not so rescinded, reduced, restored or returned. 

(k) In case any provision of this Guarantee shall be invalid, illegal or unenforceable, the validity, legality, and
enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
 (l) This Guarantee shall
be a general secured senior obligation of such Guaranteeing Subsidiary, ranking pari passu in right of payment with all existing and future Senior Indebtedness of the Guaranteeing Subsidiary, if any. 

(m) Each payment to be made by the Guaranteeing Subsidiary in respect of this Guarantee shall be made without set-off,
counterclaim, reduction or diminution of any kind or nature. 
 3. Execution and Delivery. The Guaranteeing Subsidiary
agrees that the Guarantee shall remain in full force and effect notwithstanding the absence of the endorsement of any notation of such Guarantee on the Notes. 

4. Merger, Consolidation or Sale of All or Substantially All Assets of a Guarantor. 

(a) Except as otherwise provided in Section 5.01(c) of the Indenture, the Guaranteeing Subsidiary may not consolidate or merge with or
into or wind up into (whether or not Milacron or the Guaranteeing Subsidiary is the surviving corporation), or sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of its properties or assets, in one or more related
transactions, to any Person. 
 (b) In the case of clause (i) of Section 5.01(c) of the Indenture, the Successor Person will
succeed to, and be substituted for, the Guaranteeing Subsidiary under the Indenture and the Guaranteeing Subsidiary’s Guarantee. Notwithstanding the foregoing, the Guaranteeing Subsidiary may merge into or transfer all or part of its properties
and assets to another Guarantor or an Issuer. 
 (c) Upon any consolidation or merger, or any sale, assignment, transfer, lease, conveyance
or other disposition of all or substantially all of the assets of an Issuer or a Guarantor in accordance with Section 5.01 of the Indenture, the successor corporation formed by such consolidation or into or with which such Issuer or Guarantor,
as applicable, is merged or to which such sale, assignment, transfer, lease, conveyance or other disposition is made shall succeed to, and be substituted for (so that from and after the date of such consolidation, merger, sale, lease, conveyance or
other disposition, the provisions of the Indenture referring to such Issuer or Guarantor, as applicable, shall refer instead to the successor corporation and not to such Issuer or Guarantor, as applicable), and may exercise every right and power of
such Issuer or Guarantor, as applicable, under the Indenture with the same effect as if such successor Person had been named as an Issuer or a Guarantor, as applicable, therein; provided that the predecessor Issuer shall not be relieved from
the obligation to pay the principal of and interest on the Notes except in the case of a sale, assignment, transfer, conveyance or other disposition of all of such Issuer’s assets that meets the requirements of Section 5.01 of the
Indenture. 
 5. Releases. The Guarantee of the Guaranteeing Subsidiary shall be automatically and unconditionally released and
discharged, and no further action by the Guaranteeing Subsidiary, the Issuers or the Trustee is required for the release of the Guaranteeing Subsidiary’s Guarantee, upon satisfaction of all of the conditions set forth in Section 10.06 of
the Indenture. 

  
 D-3 

 6. No Recourse Against Others. No past, present or future director, officer, employee,
incorporator or stockholder of the Issuers or the Guaranteeing Subsidiary shall have any liability for any obligations of the Issuers or the Guarantors (including the Guaranteeing Subsidiary) under the Notes, any Guarantees, the Indenture or this
Supplemental Indenture or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder by accepting Notes waives and releases all such liability. The waiver and release are part of the consideration for
issuance of the Notes. 
 7. Governing Law. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE
LAWS OF THE STATE OF NEW YORK. THE TRUSTEE, THE ISSUERS, ANY OTHER OBLIGOR IN RESPECT OF THE NOTES AND (BY THEIR ACCEPTANCE OF THE NOTES) THE HOLDERS AGREE TO SUBMIT TO THE JURISDICTION OF ANY UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE
BOROUGH OF MANHATTAN, IN THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE. 
 8.
Counterparts. The parties hereto may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. Delivery of an executed signature page to this
Supplemental Indenture by facsimile or other electronic transmission shall be effective as delivery of a manually signed counterpart of this Supplemental Indenture. 

9. Effect of Headings. The Section headings herein have been inserted for convenience of reference only, are not considered a part of
this Supplemental Indenture and shall in no way modify or restrict any of the terms or provisions hereof. 
 10. The Trustee. The
Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the
Guaranteeing Subsidiary. 
 11. Subrogation. The Guaranteeing Subsidiary shall be subrogated to all rights of Holders against the
Issuers in respect of any amounts paid by the Guaranteeing Subsidiary pursuant to the provisions of Section 2 hereof and Section 10.01 of the Indenture; provided that, if an Event of Default has occurred and is continuing, the Guaranteeing
Subsidiary shall not be entitled to enforce or receive any payments arising out of, or based upon, such right of subrogation until all amounts then due and payable by the Issuers under the Indenture or the Notes shall have been paid in full. 

12. Benefits Acknowledged. The Guaranteeing Subsidiary’s Guarantee is subject to the terms and conditions set forth in the
Indenture. The Guaranteeing Subsidiary acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated by the Indenture and this Supplemental Indenture and that the guarantee and waivers made by it
pursuant to this Guarantee are knowingly made in contemplation of such benefits. 
 13. Successors. All agreements of the
Guaranteeing Subsidiary in this Supplemental Indenture shall bind its successors, except as otherwise provided in Sections 5.01(c)(i), 5.01(d), 5.02 and 10.06 of the Indenture or elsewhere in this Supplemental Indenture. All agreements of the
Trustee in this Supplemental Indenture shall bind its successors. 
 14. Parties. Nothing in this Supplemental Indenture is intended
or shall be construed to give any Person, other than the Holders and the Trustee, any legal or equitable right, remedy or claim under or in respect of the Guaranteeing Subsidiary’s Guarantee or any provision contained herein or in Article X of
the Indenture. 
 15. Ratification of Indenture; Supplemental Indentures Part of Indenture. Except as expressly amended hereby, the
Indenture is in all respects ratified and confirmed and all the terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of
Notes heretofore or hereafter authenticated and delivered shall be bound hereby. The Trustee makes no representation or warranty as to the validity or sufficiency of this Supplemental Indenture or as to the accuracy of the recitals to this
Supplemental Indenture. 

  
 D-4 

 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed, all as of the date first above written. 
  

			
	[GUARANTEEING SUBSIDIARY]
		
	By:		  

	Name:		
	Title:		
	
	 U.S. BANK NATIONAL ASSOCIATION
 as
Trustee

		
	By:		  

	Name:		
	Title:		

  
 D-5

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