Document:

Stockholders' Agreement

 Exhibit 4.2 
 HYCO INTERNATIONAL, INC. 
 Stockholders’ Agreement 
 Stockholders’ Agreement, dated as of June 5, 1998 (the “Agreement”), among those individuals set forth on Exhibit A (“Management
Holders”), those individuals or entities set forth on Schedule B (“Other Stockholders” and, together with Management Holders, the “Minority Holders”), Hyco International, Inc., a Delaware corporation (the
“Company”), Centre Partners Management LLC (“Centre Management”) and Centre Capital Investors II, L.P., a Delaware limited partnership, Centre Partners Coinvestment, L.P., a Delaware limited partnership, Centre Capital Offshore
Investors II, L.P., a Bermuda limited partnership, Centre Capital Tax-Exempt Investors II, L.P., a Delaware limited partnership, Centre Parallel Management Partners, L.P., a Delaware limited partnership, and The State Board of Administration of
Florida (such limited partnerships and other entities, collectively, the “Centre Entities”). From time to time, additional individuals who are directors, officers or employees of the Company or its Subsidiaries may become a party to this
Agreement as a Management Holder and additional individuals or entities who are not directors, officers or employees of the Company or its Subsidiaries may become party to this Agreement as an Other Stockholder, in each case with the consent of the
Company and the Centre Entities by execution of a counterpart hereof. 
 PRELIMINARY STATEMENTS 
 The Company has offered to sell Management Holders and Other Stockholders’ shares of its Common Stock par value $.001 per share (the “Common
Stock”), to grant certain options to Management Holders to acquire Common Stock and may make certain grants of Common Stock to Management Holders from time to time, all subject to the terms and conditions of this Agreement. 
 The Centre Entities, Other Stockholders and the Management Holders have agreed to grant certain rights and assume certain obligations as set forth herein
with respect to all Common Stock acquired by Management Holders. 
 NOW, THEREFORE, in consideration of the mutual agreements hereinafter set forth, the
parties hereto agree as follows: 
 1. Definitions. In this Agreement, the following terms have the meanings specified or referred to in this Section 1
and shall be equally applicable to both the singular and plural forms. 
 “Affiliate” means, with respect to any Person, (i) any Person that
directly or indirectly controls, is controlled by or is under common control with, such Person or (ii) any director, officer or partner of such Person or of any Person specified in clause (i). 
  

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 “Agreement” has the meaning set forth on the first paragraph. 
 “Buy-Back Securities” means (i) all shares of Common Stock held from time to time by a Management Holder and (ii) all shares issuable
to such Holder upon exercise of options to purchase Common Stock which are at the time of determination presently exercisable and subject to no contingency. 
 “Centre Entities” has the meaning set forth in the first paragraph of this Agreement. 
 “Centre Investors” means Centre Management, Centre Entities and their respective Affiliates. 
 “Centre Registration
Rights Agreement” means the Registration Rights Agreement dated as of the date hereof between the Company and the Centre Entities, as amended, supplemented or otherwise modified from time to time. 
 “Closing Price” means, with respect to each share of any class of Securities as of any date of determination, (i) the last reported sale
price regular way or, in case no such sale takes place on such day, the average of the closing bid and asked prices regular way, in either case as reported on the principal national securities exchange on which such class or series of Securities is
listed or admitted for trading or (ii) if such class or series of Securities is not listed or admitted for trading on any national securities exchange, the last reported sale price or, in case no such sale takes place on such day, the average
of the highest reported bid and the lowest reported asked quotation for such class or series of Securities, in either case as reported on NASDAQ or a similar service if NASDAQ is no longer reporting such information. 
 “Common Stock” has the meaning specified in the Preliminary Statements. 
 “Company” has the meaning specified in the first paragraph of this Agreement. 
 “Fair Market Value” means, with respect to any Buy-Back Securities as of the applicable termination date, (i) the average of the daily
Closing Prices for the ten consecutive trading days immediately preceding the date of determination or (ii) if on such date the Buy-Back Securities are not listed or admitted for trading on any national securities exchange and are not quoted on
NASDAQ or any similar service, the cash amount that a willing buyer would pay a willing seller (neither acting under compulsion) in an arm’s-length transaction without time constraints per share of such class 5(d) series of Buy-Back Securities
as of such date, viewing the Company on a going concern basis, as determined in accordance with the procedures set forth in Section 5(d). To the extent Buy-Back Securities consist of options to purchase Common Stock, the market value of such
options shall be the market value as determined for the underlying Common Stock had such options been exercised to the fullest extent then exercisable, less the exercise price thereof. 
 “Initial Public Offering” means consummation of a public offering pursuant to an effective registration statement under the Securities Act
covering the offering and sale of Common Stock by the Company to the public and underwritten by an investment banking firm of nationally recognized standing. 
 “Management Holder(s)” has the meaning set forth in the first paragraph of this Agreement. 
 “Minority Holders” has the meaning set forth in the first paragraph of this Agreement. 
 “Other Stockholder(s)”
has the meaning set forth in the first paragraph of this Agreement. 
 “Permitted Transferee” means, with respect to any Minority
Holder, (a) the Company, (b) the Centre Investors, (c) the guardian, conservator or estate of such Minority Holder, or (d) any trust, all of the beneficiaries of which are such Minority Holder or members of his immediate family.

 “Person” means any individual, corporation, partnership, joint venture, limited liability company, association, joint-stock
company, trust, unincorporated organization or governmental body. 
  

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 “Registration Rights Agreement” means the Registration Rights Agreement, dated as of the date
hereof, among the Centre Entities and the Company. 
 “Transfer” means any sale, assignment, transfer, gift, pledge, hypothecation
or other disposition. 
 “Securities” means the Common Stock and any options to acquire the Common Stock beneficially owned by
Minority Holders. 
 “Securities Act” means the Securities Act of 1933, as amended. 
 2. Interpretation. As used in this Agreement, the word “including” means without limitation, the word “or” is not exclusive and the
words “herein”, “hereof”, “hereby”, “hereto” and “hereunder” refer to this Agreement as a whole. Unless the context otherwise requires, references herein: (i) to Sections and Exhibits mean the
Sections of and the Exhibits attached to this Agreement; (ii) to an agreement, instrument or other document means such agreement, instrument or other document as amended, supplemented and modified from time to time to the extent permitted by
the provisions thereof and by this Agreement; and (iii) to a statute means such statute as amended from time to time and includes any successor legislation thereto. Titles to Sections are inserted for convenience of reference only and shall not
be deemed a part of or to affect the meaning or interpretation of this Agreement. All references to the masculine shall include the feminine. 
 3. Securities Laws and Related Representations and Restrictions. 
 (a) In connection with his acquisition of
Securities, each Minority Holder hereby represents that such Securities are being acquired by such Minority Holder for his own account for investment purposes, and with no present intention of selling or otherwise distributing the Securities within
the meaning of the Securities Act. Such Minority Holder is an “accredited investor,” as such term is defined in Regulation D promulgated under the Securities Act and/or has sufficient knowledge and experience in financial and business
matters to enable him to evaluate the merits and risks of investment in the Common Stock and options, including the risks of owning shares in a closely-held corporation. Each Minority Holder acknowledges that the Securities being acquired have not
been registered under the Securities Act or any state securities laws, and are offered and sold pursuant to exemptions therefrom; and will contain a prominent legend with respect to such restrictions. Each Minority Holder has been supplied with, or
had access to, information to which a reasonably prudent investor would attach significance in making investment decisions sufficient to enable him to make his decision to purchase the Securities. 
 (b) In connection with any offering of any securities covered by a registration statement filed by the Company, whether or not a Minority
Holder’s Securities are included therein, each Minority Holder, if so requested by the managing underwriter or other agent in connection with such registration shall not effect any public sale or distribution of shares of Common Stock or any
securities convertible into or exchangeable or exercisable for shares of Common Stock, including a sale pursuant to Rule 144 under the Securities Act (except as part of such underwritten or agented registration), during the 15-day period prior to,
and during the 180-day period beginning on, the date such registration statement is declared effective under the Securities Act by the Securities Exchange Commission, provided, that such Minority Holder is timely notified of such effective date in
writing by the Company or such underwriter or agent. 
 (c) After an Initial Public Offering, such Minority Holder understands
that the Company with the approval of its Board of Directors may adopt 

  

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reasonable guidelines for the disposition of Common Stock by members of management and agrees to observe such restrictions. 
 4. General Restrictions on Transfer. As long as this Agreement shall remain in force, no Minority Holder may Transfer any of the Securities unless:

 (a) prior to an Initial Public Offering, the Person in whose favor such Transfer is made (other than the Company or the
Centre Investors) (x) is a Permitted Transferee or is being Transferred Securities pursuant to Sections 7(c), 8 or 9 hereof and (y) delivers to the Company a written acknowledgment that the Securities to be Transferred are subject to this
Agreement, and that such Person and such Person’s successors in interest are bound hereby and thereby; or (ii) after an Initial Public Offering, such Transfer is made (x) pursuant to an effective registration under the Securities Act,
or an exemption from the registration requirements thereof, and (y) in accordance with applicable state securities laws and the other terms of this Agreement; and 
 (b) prior to any such Transfer described in clause (a), the Minority Holder proposing to make such Transfer shall give the Company and
Centre Management on behalf of the Centre Entities (i) notice describing the manner and circumstances of the proposed Transfer and (ii) if reasonably requested by the Company, a written opinion in form and substance reasonably satisfactory
to the Company of legal counsel reasonably satisfactory to the Company to the effect that the proposed Transfer may be effected without registration under the Securities Act or any applicable state law. 
 Any attempted Transfer other than in accordance with this Agreement shall be void, and the Company shall refuse to recognize such Transfer and shall not
reflect on its records any change in record ownership of the Securities pursuant to such Transfer. 
 5. Repurchase of Shares by the Company.

 (a) Repurchase by Company of Buy-Back Securities. Prior to the Initial Public Offering, each of the Company and the Centre
Investors shall have the option (the “Buy-Back Option”), but shall not be required, to purchase all or any portion of the Buy-Back Securities of a Management Holder at the Fair Market Value thereof (the “Buy-Back Price”)(1) if
the employment of such Management Holder is terminated for any reason whether due to death, disability, retirement, resignation or removal; (2) such Management Holder files a bankruptcy petition or is adjudicated bankrupt; or (3) any of
the Buy-Back Securities of such Management Holder are Transferred or encumbered in any other way except as permitted by this Agreement. 
 (b) Buy-Back Procedures. Promptly following the date on which the Company first determines that an event entitling the Company to purchase the Buy-Back Securities pursuant to the Buy-Back Option has occurred, it shall
deliver written notice thereof to the applicable Management Holder(s) and Centre Management. During the 90-day period commencing on the date such notice is given (the “First Period”), if the Company wishes to exercise the Buy-Back Option,
the Company shall deliver to such Management Holder (with a copy to Centre Management) a written notice of intention to exercise (a “Buy-Back Notice”) with respect to the Buy-Back Securities described therein. If the Company fails to send
a Buy-Back Notice during the First Period, or exercises the Buy-Back Option with respect to less than all of the Buy-Back Securities, and the Centre Investors wish to exercise the Buy-Back Option, Centre Management shall deliver a Buy-Back Notice on
behalf of the specified Centre Investors to such Management Holder within the 90-day period commencing on the expiration of the First Period. 
  

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 (c) Closing. Upon delivery of a Buy-Back Notice, such Management Holder and all Permitted
Transferees of such Holder (other than the Centre Investors) shall be obligated to sell the Buy-Back Securities to the Company and/or the Centre Investors (as applicable) and the Company and/or the Centre Investors (as applicable) shall be obligated
to buy such Securities. The purchase of the Buy-Back Securities shall be consummated, within 30 days after the later of the date on which (i) the Buy-Back Notice is given or (ii) any appraisal required in connection with such transaction
is completed, by payment in cash of the Fair Market Value of the Buy-Back Securities to the Management Holder. 
 (d)
Determination of Fair Market Value. The Fair Market Value of the Buy-Back Securities shall be determined by the Board of Directors and its determination thereof shall be set forth in the Buy-Back Notice (or, if the Company declines to give a
Buy-Back Notice, in a notice to the applicable Management Holder and Centre Management, which notice shall be given at the end of the First Period), provided that if within 15 days of the giving of such notice of Fair Market Value the applicable
Management Holder(s) give written notice to the Company and Centre Management reasonably objecting to the Board’s determination of Fair Market Value and the Company and such Management Holders are unable to agree on the Fair Market Value of the
Buy-Back Securities within 15 days of such notice, the Board shall select a third-party appraisal firm reasonably acceptable to such Management Holder(s) and such firm shall be directed to determine the Fair Market Value of the Buy-Back Securities.
If a third-party appraisal firm is selected, Fair Market Value of the Buy-Back Securities shall be as determined by such third-party appraiser and the fees payable to such appraiser shall be borne (i) by the Company, if the Fair Market Value
determined by such appraiser exceeds 110% of the Fair Market Value determined by the Board, (ii) by the Management Stockholders, if the Fair Market Value determined by the appraiser is less than 105% of the Fair Market Value determined by the
Board, and (iii) in all other cases, equally by the Company, on one hand, and the applicable Management Holders, on the other hand. The determination of Fair Market Value of the Buy-Back Securities pursuant to this section 5(d) shall be
conclusive. 
 6. Right of First Refusal. 
 (a) If any Minority Holder shall desire to Transfer any or all of his shares of Common Stock, except to a Permitted Transferee and except in a sale pursuant to an effective registration statement under the Securities
Act of 1933, as amended, or in a sale pursuant to Rule 144 promulgated under the Securities Act of 1933, he shall deliver to each of the Company and Centre Management written notice of the proposed transaction (an “Offeror’s Notice”),
identifying the proposed transferee, accompanied by a copy of a binding bona fide offer to purchase such shares of Common Stock (the “Offered Shares”) signed by such proposed transferee and setting forth the terms of the proposed
transaction. In no event may any Minority Holder send more than one Offeror’s Notice during any 12-month period. An Offeror’s Notice shall be deemed an irrevocable offer by such Minority Holder to the Company and the Centre Investors to
transfer all (but not less than all) of the Offered Shares on the terms set forth in the Offeror’s Notice. The Company may accept such offer with respect to all (but not less than all) of the Offered Shares within 30 days of the receipt of such
Offeror’s Notice. If the Company fails to accept such offer with respect to all Offered Shares within such 30-day period, Centre Management shall have the right to accept such offer on behalf of the Centre Investors with respect to all (but not
less than all) of the Offered Shares, within 30 days of the expiration of such 30-day period. Any such acceptance shall be on the same terms and conditions and at the same price at which such Minority Holder is proposing to transfer the Offered
Shares to such transferee and notice thereof (specifying, in the case of Centre Management, the applicable Centre Investors) shall be delivered to the Minority Holder with a copy to the Company or Centre Management (as 

  

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applicable). The purchase of the Offered Shares by the Company or the Centre Investors (as applicable) shall be settled within 30 days of the acceptance of
the offer and the purchase price shall be paid to the Minority Holder on substantially the same terms and conditions as contained in the Offeror’s Notice. 
 (b) If neither the Company nor Centre Management timely accepts the offer with respect to all of the Offered Shares set forth in the
Offeror’s Notice, then for a period of 60 days thereafter, the Minority Holder shall be entitled to Transfer such shares of Common Stock in accordance with the terms of this Agreement, provided that the Transfer must be to the proposed
transferee and on the terms and conditions identified in the Offeror’s Notice. If the shares of Common Stock identified in the Offeror’s notice are not so Transferred to the proposed transferee within the 60-day period, such shares shall
again become subject to the provisions of this Section 6. 
 7. Bring-Along Transactions. 
 (a) General. If a Person that is not an Affiliate of any of the Centre Entities makes a bona fide offer to purchase at least 25% of the
Shares of Common Stock then outstanding, Centre Management, on behalf of such Centre Entities, shall have the right to require each Minority Holder to sell its Required Number (as defined below) of Common Stock in the transaction (a “Bring-
Along Transaction”); provided that each such Minority Holder shall only be required to sell Common Stock on the same terms and conditions as those applicable to the sale of Common Stock by each other Minority Holder and the Centre Entities,
including the same time of sale and the same per share consideration (including any reduction in per share consideration for placement agents’ or brokers’ fees or commissions, and any other costs or expenses of such Bring-Along
Transaction). The “Required Number” for any Minority Holder shall be equal to the number of shares of Common Stock owned by such Minority Holder multiplied by a fraction the numerator of which is the difference between (x) the number
of shares of Common Stock agreed to be acquired in the Bring Along Transaction (which number may exceed the number of shares of Common Stock owned by the Centre Entities) and (y) the aggregate number of shares of Common Stock proposed to be
sold by the Centre Entities in the Bring-Along Transaction (such difference, the “Brought Number”), and the denominator of which is the aggregate number of shares of Common Stock owned by the Minority Holders at such time, provided that
each of the Centre Entities and the Minority Holders shall Transfer Common Stock in a Bring-Along Transaction in pro rata amounts, based on the number of shares of Common Stock then held, subject to any such adjustments as shall be required
(i) to permit compliance with the tag-along Rights provided to Minority Holders in Section 8 of this Agreement; or (ii) to permit compliance with tag-along Rights provided by the Centre Entities to other holders of Common Stock
proposed to be sold in the transaction exercising Rights similar to the “tag-along” Rights provided to Minority Holders in Section 8 of this Agreement. 
 (b) Sale Notice. In order to exercise “bring-along” Rights under this Section 7, the Centre Entities shall deliver a notice
(the “Sale Notice”) to each Minority Holder relating to a proposed Bring-Along Transaction. The Sale Notice shall set forth (i) the aggregate number of Common Stock proposed to be sold by the Centre Entities, the aggregate number of
shares of Common Stock the proposed purchaser is willing to purchase and the aggregate number of shares of Common Stock outstanding at such time and the identity and address of the proposed purchaser; (ii) the recipient’s Required Number
(subject to adjustment as described in Section 7(a)); (iii) the date, time and place of sale; (iv) the amount and type of consideration proposed to be paid in the aggregate and on a per share basis by the proposed purchaser;
(v) any agreement, offering memorandum or other document (or the latest draft thereof) that is then available relating thereto; and (vi) any other terms and conditions of the proposed sale. 
  

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 (c) Transfer Procedures for Bring-Along Transaction. Each Minority Holder shall take all
steps described in the Sale Notice to effectuate the sale by it of the Common Stock required in a Bring-Along Transaction, including without limitation the provision of information customarily provided in connection with such a sale and the
execution of customary sale documents, with customary representations, warranties, agreements and covenants; provided that any such sale document may provide that (i) liability for representations, warranties, agreements and covenants
(A) made individually, including without limitation any warranty of title to Common Stock, shall be the sole obligation of such Minority Holder, and (B) made jointly shall be in proportion to the proceeds received from any such sale; and
(ii) the liability of any Minority Holder selling in such sale shall be limited to the proceeds thereof received by such Minority Holder. 
 8. Tag-Along Transaction. 
 (a) General. In connection with any proposed sale, either directly or indirectly, by one
or more of the Centre Entities of 10% or more of the outstanding Common Stock to a Person who is not either an Affiliate of any of the Centre Entities (the “Acquiror”), either in a single transaction or an integrated series of
transactions, each Minority Holder shall have the right, but not the obligation (except as provided in Section 7), to sell its Tag-Along Number (as defined below) of Common Stock to the Acquiror, subject to the provisions of Section 8(b)
below; provided that each such Minority Holder (i) shall bear the same proportion of the expenses of the sale as the number of shares of Common Stock sold by such Minority Holder bears to the total number of shares of Common Stock sold, and
(ii) shall sell Common Stock on the same terms and conditions as the Centre Entities, including the same time of sale and the same per-share consideration (a “Tag-Along Transaction”). The “Tag-Along Number” for any Minority
Holder shall be equal to the total number of shares of Common Stock proposed to be included in such Tag-Along Transaction by such Minority Holder multiplied by a fraction, the numerator of which is the number of shares of Common Stock proposed to be
acquired by the Acquiror and the denominator of which is the sum of (x) the total number of shares of Common Stock proposed to be included in such Tag-Along Transaction by all of the Minority Holders exercising “tag-along” Rights
pursuant to this Section 8 (the “Tag Number”), (y) the number of shares of Common Stock proposed to be sold in the transaction by all of the Centre Entities and (z) the number of shares of Common Stock proposed to be sold in the
transaction by other holders of Common Stock exercising Rights similar to the “tag-along” Rights granted to Minority Holders in this Section 8. Centre Management shall deliver a Sale Notice to each Minority Holder on behalf of any
Centre Entity proposing to Transfer Common Stock in a transaction that constitutes a Tag-Along Transaction. 
 (b) Exercise of
Tag-Along Rights. Each Minority Holder seeking to exercise its “tag-along” Rights under this Section 8 shall give written notice thereof to Centre Management within 5 days following the date the Sale Notice is deemed given, which
notice shall specify the number of shares of Common Stock the exercising Minority Holder proposes to sell pursuant to such “tag-along” Rights. Any such notice shall be deemed an irrevocable offer to transfer all of the shares of Common
Stock specified therein on the terms and conditions of the applicable Tag- Along Transaction. Centre Management shall send a written notice (the “Confirmation Notice”) to each Minority Holder within 5 days after the date written responses
to the Sale Notice are due setting forth (i) the number of shares of Common Stock held by such Minority Holder that will be included in a sale of Common Stock based on the exercise of “tag-along” Rights by the Minority Holders
(subject to adjustment as provided in Section 8(b)) and (ii) the total number of shares of Common Stock that all Minority Holders proposed to be included for sale pursuant to the exercise 

  

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of “tag-along” Rights pursuant to Section 8. The consummation of the Tag-Along Transaction shall take place no earlier than 10 days after the
date the Confirmation Notice is deemed given. 
 (c) Transfer Procedures for Tag-Along Transactions. Each Minority Holder
shall take all steps described in the Sale Notice and/or Confirmation Notice to effectuate the sale by it of the Common Stock, if any, required in a Tag-Along Transaction, including without limitation the provision of information customarily
provided in connection with such a sale and the execution of customary sale documents, with customary representations, warranties, agreements and covenants; provided that any such sale document may provide that (i) liability for
representations, warranties, agreements and covenants (A) made individually, including without limitation any warranty of title to Common Stock owned by such Minority Holder, shall be the sole obligation of such Minority Holder, and
(B) made jointly shall be in proportion to the proceeds received from any such sale; and (ii) the liability of any Minority Holder selling in such sale shall be limited to the proceeds thereof received by such Minority Holder. 

(d) Allocation of Company Securities in Transactions that are Both Bring-Along Transactions and Tag-Along Transactions. If a proposed
sale of Common Stock constitutes both a Bring-Along Transaction and a Tag-Along Transaction and (x) the Tag Number with respect to such transaction is greater than or equal to the Brought Number, no Common Stock shall be required to be included
in such transaction by Minority Holders pursuant to Section 7 and Common Stock included in such transaction shall be allocated in accordance with Section 8 or (y) the Tag Number with respect to such transaction is less than the
Brought Number, (A) any Minority Holder who exercises “tag-along” Rights pursuant to Section 8 with respect to a number of Common Stock equal to or greater than such Minority Holder’s Required Number shall have such number
of shares of Common Stock included in such transaction and shall not be required to include any additional Common Stock pursuant to Section 7 and (B) with respect to all Minority Holders who either do not exercise “tag-along”
Rights or who exercise “tag-along” Rights with respect to a number of shares of Common Stock that is less than their respective Required Number, the number of shares of Common Stock required to be included in such transaction by each such
Minority Holder pursuant to Section 7 shall be reduced pro rata by a total number of shares of Common Stock equal to the difference between the Brought Number and the total number of shares of Common Stock included in such transaction pursuant
to clause (A) above; provided that such Minority Holders shall not be able to include any additional shares of Common Stock in such transaction pursuant to an exercise of “tag-along” Rights under Section 8. 
 (e) Exclusion of Certain Sales from Tag-Along Rights. The tag- along Rights provided in Section 8 shall not be applicable to sales by
the Centre Entities in a sale pursuant to an effective registration statement under the Securities Act of 1933, as amended, or in a sale pursuant to Rule 144 promulgated under such Act. 
 9. Registration Rights. (a) If the Centre Entities exercise any Rights to register Common Stock pursuant to the Centre Registration Rights
Agreement, each Management Holder may register and sell up to the same proportion of his Common Stock as the Centre Entities register and sell of its Common Stock (subject to application of all requirements to grant preferential treatment in favor
of shares being registered and sold by the Centre Investors set forth in the Registration Rights Agreement or otherwise) or (b) if the Company determines to register Common Stock in a public offering, each Management Holder may register and
sell the same proportion of his Common Stock as the Centre Entities register and sell of its Common Stock in such offering (after application of all cutbacks or requirements to grant preferential treatment in favor of shares being registered and
sold by the Company set forth in the Registration Rights Agreement or otherwise. 
  

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 10. Termination. This Agreement shall terminate with respect to the Rights and obligations of
(1) the Centre Entities at such time as the Centre Entities hold less than 10% of the outstanding Common Stock; and (2) any Management Holder upon termination of employment of such Holder (except for Sections 3 and 4 and subject to the
Rights of the Company or the Centre Investors provided in Sections 5, 6 and 7 and of such Management Holder pursuant to Section 9 hereof). 
 11. Notices. Whenever it is provided herein that any notice or other communication shall or may be given to or served upon any of the parties by any other party, each such notice or other communication shall be in writing and either shall
be delivered in person with receipt acknowledged or sent by registered or certified mail, return receipt requested, postage prepaid, or by overnight mail or courier, or delivery service or by telecopy and confirmed by telecopy answerback (provided
that any notice provided to any party outside of the United States, shall be provided by courier or telecopy), addressed as follows: 
 For the Centre Entities or Centre Management: 
 c/o Centre Partners Management LLC 
 30 Rockefeller Plaza 
 New York, New York
10020 
 Facsimile No.: 212-332-5801 
 Attention: Scott Perekslis 
 If to a Minority Holder at his address designated on Exhibit A hereto. 
 If to the Company, in care of the Secretary at its principal executive offices, with a copy to Centre Management. 
 12. Miscellaneous. 
 (a) All
titles, headings, or captions in this Agreement are for convenience of reference only and shall not be construed as a part of, or a limitation of, the provisions to which they refer. 
 (b) This Agreement may be amended only by a writing executed by each of the parties hereto. 
 (c) This Agreement shall be construed and enforced in accordance with the laws of the State of Delaware, without regard to its principles
of conflicts of laws. 
 (d) This Agreement shall inure to the benefit of and shall be binding upon the successors and assigns
of the respective parties hereto. 
 (e) This Agreement may be executed in several Counterparts, each of which shall be deemed
to be an original, but together which shall constitute one and the same document. 
 (f) If any provisions of this Agreement
are held invalid or unenforceable, such invalidity or unenforceability shall not affect any other provisions, and this Agreement shall be construed and enforced as if such provisions had not been included. 
  

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 IN WITNESS WHEREOF, the parties hereto have duly executed and delivered this Agreement, as of the day and
year first above written. 
  

			
	 HYCO INTERNATIONAL, INC.

		
	 By:
	 	 /s/ Richard S. Melrose

		 	 Richard S. Melrose

		 	 Chief Executive Officer

	
	 CENTRE PARTNERS MANAGEMENT LLC

		
	 By:
	 	 /s/ Jonathan H. Kagan

		 	 Jonathan H. Kagan

		 	 Managing Director

	
	 CENTRE CAPITAL INVESTORS II, L.P.

	
	 CENTRE CAPITAL OFFSHORE INVESTORS II, L.P.

	
	 CENTRE CAPITAL TAX-EXEMPT INVESTORS II, L.P.

	
	 By:   Centre Partners II, L.P., as General Partner of such partnerships

	
	 By:   Centre Partners Management LLC, Attorney-in-Fact

					
			
		 	 By:
	 	 /s/ Jonathan H. Kagan

		 		 	 Jonathan H. Kagan

		 		 	 Managing Director

  

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	 CENTRE PARALLEL MANAGEMENT PARTNERS, L.P.

	
	 CENTRE PARTNERS COINVESTMENT, L.P.

	
	 By:   Centre Partners II LLC, as General Partner of such partnerships

					
			
		 	 By:
	 	 /s/ Jonathan H. Kagan

		 		 	 Jonathan H. Kagan

		 		 	 Managing Director

  

					
	 THE STATE BOARD OF ADMINISTRATION OF FLORIDA

	
	 By: Centre Parallel Management Partners, LP., Attorney-in-Fact

	
	 By: Centre Partners II LLC, General Partner

			
		 	 By:
	 	 /s/ Jonathan H. Kagan

		 		 	 Jonathan H. Kagan

		 		 	 Managing Director

  

					
	 MANAGEMENT HOLDERS:
	 		 	 ADDRESS:

			
	 /s/ Richard S. Melrose
	 		 	 Current address on file with the Company

	 Richard S. Melrose
	 		 	

  

					
	 OTHER STOCKHOLDERS:

	
	  

  

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	 OTHER STOCKHOLDERS:

	
	 FM HYDRAULIC INVESTORS L.C.

			
		 	 By:
	 	 /s/ Thomas W. Gilliam, Jr.

		 	 Name:
	 	 Thomas W. Gilliam, Jr.

		 	 Title:
	 	 Organizing Partner

			
		 		 	 /s/ Jonathan O’Herron

		 		 	 Jonathan O’Herron

  

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 Exhibit A 
 Management Holders 
 Richard S. Melrose 
  

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 Exhibit B 
 Other Stockholders 
 FM Hydraulic Investors, L.C. 
 Jonathan O’Herron 
  

 Page 14Registration Rights Agreement

 Exhibit 4.3 
 REGISTRATION RIGHTS AGREEMENT 
 REGISTRATION RIGHTS AGREEMENT, dated as of June 5, 1998, among Hyco
International, Inc., a Delaware corporation (the “Company”), Centre Capital Investors II, L.P. (“Centre Capital”), Centre Capital Tax-Exempt Investors II, L.P. (“Centre Capital Tax-Exempt”), Centre Capital Offshore
Investors II, L.P. (“Centre Offshore”), Centre Parallel Management Partners, L.P. (“Centre Parallel”), Centre Partners Coinvestment, L.P. (“Centre Coinvestment”) and State Board of Administration of Florida
(“Florida Fund” and, together with Centre Capital, Centre Capital Tax-Exempt, Centre Offshore, Centre Parallel and Centre Coinvestment, the “Centre Funds”). 
 Each of the Centre Funds has offered to subscribe to the Common Stock, par value $3.20 per share (the “Common Stock”), of the Company (the
“Subscription Offers”). In order to induce the Centre Funds to make such Subscription Offers, the Company has agreed to provide each of the Centre Funds with the registration rights set forth in this Agreement. Accordingly, the execution
and delivery of this Agreement is a condition to the consummation of all of the Subscription Offers. Unless otherwise provided in this Agreement, capitalized terms used herein shall have the meanings set forth in Section 7. 
 The parties hereto agree as follows: 
 1.
Demand Registrations. 
 (a) Requests for Registration. Each of the Centre Funds, individually, altogether or any combination
thereof, may request registration under the Securities Act of 1933 (the “Securities Act”) of all or any portion of their Registrable Securities (as such term is defined in Section 7 hereof) on Form S-1 or any similar long-form
registration or Form S-2 or S-3 or any similar short-form registration, if available. All registrations requested pursuant to this Section 1(a) are referred to herein as “Demand Registrations.” Each request for a Demand Registration
shall specify the approximate number of Registrable Securities requested to be registered. Within seven days after receipt of any such request, the Company will give written notice of such request to all other holders of Registrable Securities and
will include in such registration (subject to Section 1(c) hereof) all Registrable Securities with respect to which the Company has received written requests for inclusion therein within 20 days after the receipt of the Company’s notice.

 (b) Number of Registrations. The Centre Funds shall be entitled to request, in the aggregate, five Demand Registrations in
which the Company shall pay all Registration Expenses. A registration shall not count as one of such five Demand Registrations unless the Centre Funds participating in such registration (“Participating Centre Funds”) are able to register
and sell all of the Registrable Securities requested to be included in such registration; provided that in any event the Company shall pay all Registration Expenses in connection with any registration initiated as a Demand Registration whether or
not it has become effective and whether or not such registration has counted as one of such five Demand Registrations. 
 (c)
Priority on Demand Registrations. The Company shall not include in any Demand Registration any securities which are not Registrable Securities without prior written consent of each of the Participating Centre Funds. If a Demand Registration is an
underwritten offering and the managing underwriters advise the Company in writing that in their opinion the number of Registrable Securities and, if permitted hereunder, other securities requested to be included in such offering exceeds the number
of Registrable Securities and other securities, if any, which can be sold in an orderly manner in such offering within a price range acceptable to the Participating Centre 

  

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Funds, the Company shall first include in such registration, prior to the inclusion of any securities which are not Registrable Securities, the number of
Registrable Securities requested to be included (pro rata among the Participating Centre Funds or except as they may otherwise agree) which in the opinion of such underwriters can be sold in an orderly manner within the price range of such offering.

 (d) Selection of Underwriters. The Participating Centre Funds shall have the right to select the investment banker(s) and
manager(s) to administer the offering, subject to the Company’s approval which shall not be unreasonably withheld. 
 (e)
Other Registration Rights. Except as provided in this Agreement, the Company shall not grant to any Persons the right to request the Company to register any equity securities of the Company, or any securities convertible or exchangeable into or
exercisable for such securities, without the prior written consent of the Centre Funds; provided that the Company may grant rights to other Persons to participate in Piggyback Registrations on terms not inconsistent with the provisions of
Section 2. 
 2. Piggyback Registrations. 
 (a) Right to Piggyback. Whenever the Company proposes to register any of its securities under the Securities Act (other than pursuant to a Demand Registration) and the registration to be used may be used for the
registration of the Registrable Securities (a “Piggyback Registration”), the Company shall give prompt written notice to each of the Centre Funds of its intention to effect such a registration and shall include in such registration all
Registrable Securities with respect to which the Company has received a written request for inclusion therein within 20 days after the receipt of the Company’s notice. 
 (b) Piggyback Expenses. The Registration Expenses of the holders of Registrable Securities shall be paid by the Company in all Piggyback
Registrations. 
 (c) Priority on Primary Registrations. If a Piggyback Registration is an underwritten primary registration
on behalf of the Company, and the managing underwriters advise the Company in writing that in their opinion the number of securities requested to be included in such registration exceeds the number which can be sold in an orderly manner in such
offering within a price range acceptable to the Company, the Company shall include in such registration (i) first, the securities the Company proposes to sell, and (ii) second, on a pro rata basis, the Registrable Securities of each of the
Centre Funds (pro rata among such funds or except as they may otherwise agree) requested to be included in such registration and any remaining securities requested to be included in such registration in accordance with the terms and conditions of
this Agreement (pro rata based on the number of securities owned by each holder thereof). 
 (d) Priority on Secondary
Registrations. If a Piggyback Registration is an underwritten secondary registration on behalf of holders of the Company’s securities, and the managing underwriters advise the Company in writing that in their opinion the number of securities
requested to be included in such registration exceeds the number which can be sold in an orderly manner in such offering within a price range acceptable to the holders initially requesting such registration, the Company shall include in such
registration (i) first, the securities requested to be included therein by the holders initially requesting such registration, pro rata among the holders of such securities based on the number of shares owned by each such holder, and
(ii) second, on a pro rata basis, the Registrable Securities of each of the Centre Funds (pro rata among such funds or except as they may otherwise agree) requested to be included in such registration and any remaining securities requested to
be included in such registration in accordance with the terms and conditions of this Agreement (pro rata based on the number of securities owned by each holder thereof). 
  

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 (e) Selection of Underwriters. If any Piggyback Registration is an underwritten offering,
the selection of investment banker(s) and manager(s) for the offering shall be subject to the approval of each of the Participating Centre Funds, such approval not to be unreasonably withheld. 
 (f) Other Registrations. If the Company has previously filed a registration statement with respect to the Registrable Securities of the
Centre Funds pursuant to Section 1 or pursuant to this Section 2, and if such previous registration has not been withdrawn or abandoned, the Company shall not file or cause to be effected any additional registration of securities other
than the Registrable Securities until a period of at least 90 days has elapsed from the effective date of such previous registration. 
 3.
Registration Procedures. Whenever any of the Centre Funds shall have requested that any of its Registrable Securities be registered pursuant to this Agreement, the Company shall use its best efforts to effect the registration and the sale of such
Registrable Securities in accordance with the intended method of disposition thereof and, in furtherance thereof, the Company shall as expeditiously as possible: 
 (a) prepare and file with the Securities and Exchange Commission (the “Commission”) a registration statement with respect to
such Registrable Securities and use its best efforts to cause such registration statement to become effective (provided that before filing a registration statement or prospectus or any amendments or supplements thereto, the Company shall furnish to
the counsel selected by the Participating Centre Funds copies of all such documents proposed to be filed, which documents shall be subject to the review and comment of such counsel); 
 (b) notify the Participating Centre Funds of the effectiveness of each registration statement filed hereunder, and prepare and file with
the Commission such amendments and supplements to such registration statement and the prospectus used in connection therewith as may be necessary to keep such registration statement effective for a period of not less than 180 days, and comply with
the provisions of the Securities Act with respect to the disposition of all securities covered by such registration statement during such period in accordance with the intended methods of disposition by the Participating Centre Funds; 
 (c) furnish to the Participating Centre Funds the number of copies of such registration statement, each amendment and supplement thereto,
the prospectus included in such registration statement (included each preliminary prospectus) and such other documents as the Participating Centre Funds may reasonably request in order to facilitate the disposition of the Registrable Securities
owned by such Centre Funds; 
 (d) use its best efforts to register or qualify such Registrable Securities under such other
securities or blue sky laws of such jurisdictions as the Participating Centre Funds reasonably request, and do any and all other acts and things which may be reasonably necessary or advisable to enable such Centre Funds to consummate the disposition
in such jurisdictions of the Registrable Securities owned by the Participating Centre Funds (provided that the Company shall, not be required to (i) qualify generally to do business in any jurisdiction where it would not otherwise be required
to qualify but for this Section, (ii) subject itself to taxation in any jurisdiction or (iii) consent to general service of process in any such jurisdiction); 
 (e) notify the Participating Centre Funds, at any time when a prospectus relating to the Registrable Securities is required to be
delivered under the Securities Act, of the happening of any event as a result of which the prospectus included in such registration statement contains an untrue statement of a material fact or omits any fact necessary to make the statements therein,
in light of the circumstances under which they were made, not misleading, and, at the request of such Centre Funds, the Company shall prepare a supplement or 

  

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amendment to such prospectus so that, as thereafter delivered to the purchasers of such Registrable Securities, such prospectus shall not contain an untrue
statement of a material fact or omit to state any fact necessary to make the statements therein, in light of the circumstances under which they are made, not misleading; 
 (f) cause all such Registrable Securities to be listed on each securities exchange on which similar securities issued by the Company are
then listed or, if not so listed, cause all such Registrable Securities to be listed on the NASD automated quotation system (“NASDAQ”) and, if listed on NASDAQ, use its best efforts to arrange for at least two market makers to register as
such with respect to such Registrable Securities within the National Association of Securities Dealers (“NASD”); 
 (g) provide a transfer agent and registrar for all such Registrable Securities not later than the effective date of such registration statement; 
 (h) enter into such customary agreements (including underwriting agreements in customary form) and take all such other actions as the Participating Centre Funds or the underwriters, if any, reasonably request in order
to expedite or facilitate the disposition of such Registrable Securities (including effecting a stock split or a combination of shares); 
 (i) make available for reasonable investigation by any seller of Registrable Securities, any underwriter participating in any disposition pursuant to such registration statement, and any attorney, accountant or other
agent retained by any such seller or underwriter, all financial and other records, pertinent corporate documents and properties of the Company, and cause the Company’s officers, directors, employees and independent accountants to supply all
information reasonably requested by the Participating Centre Funds and any such seller, underwriter, attorney, accountant or agent in connection with such registration statement; 
 (j) otherwise use its best efforts to comply with all applicable rules and regulations of the Commission, and make available to its
security holders, as soon as reasonably practicable, an earnings statement covering the period of at least 12 months beginning with the first day of the Company’s first full calendar quarter after the effective date of the registration
statement, which earnings statement shall satisfy the provisions of Section 11(a) of the Securities Act and Rule 158 thereunder; 
 (k) permit the Participating Centre Funds, in their sole and exclusive discretion, to participate in the preparation of such registration or comparable statement and to require the insertion therein of material, furnished to the Company in
writing, which in the reasonable judgment of such Centre Funds and their counsel should be included; 
 (l) in the event of
the issuance of any stop order suspending the effectiveness of a registration statement, or of any order suspending or preventing the use of any related prospectus or suspending the qualification of any securities included in such registration
statement for sale in any jurisdiction, use its best efforts promptly to obtain the withdrawal of such order; 
 (m) use its
best efforts to cause such Registrable Securities covered by such registration statement to be registered with or approved by such other governmental agencies or authorities as may be necessary to enable the Participating Centre Funds to consummate
the disposition of such Registrable Securities; and 
 (n) obtain a cold comfort letter from the Company’s independent
public accountants in customary form and covering such matters of the type customarily covered by cold comfort letters as the Participating Centre Funds reasonably request. 
  

 Page 4 

 4. Registration Expenses. All expenses incident to the Company’s performance of or compliance with
this Agreement, including without limitation all registration and filing fees, fees and expenses of compliance with securities or blue sky laws, printing expenses, messenger and delivery expenses, fees and disbursements of custodians, and fees and
disbursements of counsel for the Company and all independent certified public accountants, underwriters (excluding discounts and commissions) and other Persons retained by the Company, and the reasonable fees and disbursements of one counsel chosen
by the Centre Funds (all such expenses being herein called “Registration Expenses”), shall be borne as provided in this Agreement, except that the Company shall, in any event, pay its internal expenses (including, without limitation, all
salaries and expenses of its officers and employees performing legal or accounting duties), the expense of any annual audit or quarterly review, the expense of any liability insurance and the expenses and fees for listing the securities to be
registered on each securities exchange on which similar securities issued by the Company are then listed or on the NASD automated quotation system. 
 5. Indemnification. 
 (a) The Company agrees to indemnify, to the full extent permitted by law, the Centre Funds,
their officers and directors and each Person who controls such Centre Funds (within the meaning of the Securities Act) against all losses, claims, damages, liabilities and expenses caused by any untrue or alleged untrue statement of material fact
contained in any registration statement, prospectus or preliminary prospectus or any amendment thereof or supplement thereto or any omission or alleged omission of a material fact required to be stated therein or necessary to make the statements
therein, in light of the circumstances under which they were made, not misleading, except insofar as the same are caused by or contained in any information furnished in writing to the Company by the Centre Funds expressly for use therein or by the
Participating Centre Funds’s failure to deliver a copy of the registration statement or prospectus or any amendments or supplements thereto after the Company has furnished such Centre Funds with a sufficient number of copies of the same. In
connection with an underwritten offering, the Company shall indemnify such underwriters, their officers and directors and each Person who controls such underwriters (within the meaning of the Securities Act) to the same extent also provided above
with respect to the indemnification of the Participating Centre Funds. 
 (b) In connection with any registration statement in
which a Centre Fund is participating, such Centre Fund shall furnish to the Company in writing such information and affidavits as the Company reasonably requests for use in connection with any such registration statement or prospectus and, to the
full extent permitted by law, shall indemnify the Company, its directors and officers and each Person who controls the Company (within the meaning of the Securities Act) against any losses, claims, damages, liabilities and expenses resulting from
any untrue or alleged untrue statement of material fact contained in the registration statement, prospectus or preliminary prospectus or any amendment thereof or supplement thereto and any omission or alleged omission of a material fact required to
be stated therein or necessary to make the statements therein not misleading, but only to the extent that such untrue statement or omission is contained in any information or affidavit so furnished in writing by the Centre Funds; provided that the
obligation to so indemnify shall be several, but not joint, and shall be limited to the net amount of proceeds received by the Participating Centre Funds from the sale of their Registrable Securities pursuant to such registration statement.

 (c) Any Person entitled to indemnification hereunder shall (i) give prompt written notice to the indemnifying party of
any claim with respect to which it seeks indemnification (provided that the failure to give prompt notice shall not impair any Person’s right to indemnification hereunder to the extent such failure has not prejudiced the indemnifying party) and
(ii) unless in such 

  

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indemnified party’s reasonable judgment a conflict of interest between such indemnified and indemnifying parties may exist with respect to such claim,
permit such indemnifying party to assume the defense of such claim with counsel reasonably satisfactory to the indemnified party. If such defense is assumed, the indemnifying party shall not be subject to any liability for any settlement made by the
indemnified party without its consent (but such consent shall not be unreasonably withheld). An indemnifying party who is not entitled to, or elects not to, assume the defense of a claim shall not be obligated to pay the fees and expenses of more
than one counsel for all parties indemnified by such indemnifying party with respect to such claim, unless in the reasonable judgment of any indemnified party a conflict of interest may exist between such indemnified party and any other of such
indemnified parties with respect to such claim. 
 (d) The indemnification provided for under this Agreement shall remain in
full force and effect regardless of any investigation made by or on behalf of the indemnified party or any officer, director or controlling Person of such indemnified party and shall survive the termination of this Agreement whether by disposition
of the Registrable Securities or otherwise. 
 (e) In order to provide for just and equitable contribution in circumstances
under which the indemnity contemplated by this Section 5 is for any reason not available, the parties required to indemnify the terms thereof shall contribute to the aggregate losses, claims, damages, liabilities and expenses of the nature
contemplated by such indemnity agreement incurred by any indemnified party and one or more of the underwriters, if any, except to the extent that contribution is not permitted under Section 11(f) of the Securities Act. In determining the
amounts which the respective parties shall contribute, there shall be considered the parties’ relative fault concerning the matter with respect to which the claim was asserted, knowledge and access to information concerning the matter with
respect to which the claim was asserted, the opportunity to correct and prevent any statement or omission and any other equitable considerations appropriate under the circumstances; provided that, in the case of the Centre Funds, the obligation to
so contribute shall be several, but not joint, and shall be limited to the net amount of proceeds received by the Participating Centre Funds from the sale of their Registrable Securities pursuant to such registration statement. In complying with the
foregoing, the Company shall make all provisions, as are reasonably requested by any indemnified party, for contribution to such party in the event the Company’s indemnification is unavailable for any reason. 
 6. Participation in Underwritten Registrations. No Person may participate in any registration hereunder which is underwritten unless such Person
(i) agrees to sell such Person’s securities on the basis provided in any underwriting arrangements approved of by the Participating Centre Funds and (ii) completes and executes all questionnaires, powers of attorney, indemnities,
underwriting agreements and other documents required under the terms of such underwriting arrangements. 
 7. Definitions. 
 (a) “Person” means any individual, firm, corporation, general or limited partnership, limited liability company, trust,
association, joint venture, government (or any agency or political subdivision thereof) or other entity of any kind. 
 (b)
“Registrable Securities” means (i) all of the shares of Common Stock sold and issued to the Centre Funds pursuant to the Subscription Offers or otherwise acquired by the Centre Funds at any time thereafter and (ii) any Common
Stock issued or issuable with respect to the securities referred to in clause (i) above by way of a stock dividend or stock split or in connection with a combination of shares, recapitalization, merger, consolidations or other reorganization.
Any particular Registrable Securities shall cease to be 

  

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Registrable Securities when they have been distributed to the public pursuant to an offering registered under the Securities Act or sold to the public
through a broker, dealer or market maker in compliance with Rule 144 under the Securities Act (or any similar rule then in force). 
 8.
Miscellaneous. 
 (a) No Inconsistent Agreements. The Company hereby represents and warrants that, as of the date hereof,
there exists no agreement with respect to its securities which is inconsistent or conflicts with the rights granted to the Centre Funds under this Agreement and acknowledges and agrees that the foregoing representation and warranty shall survive the
execution of this Agreement and remain in effect at all times thereafter. The Company further covenants and agrees that it shall not hereafter enter into any agreement with respect to its securities which is inconsistent or conflicts with the rights
granted to the Centre Funds under this Agreement. 
 (b) Adjustments Affecting Registrable Securities. The Company shall not
take any action, or permit any change to occur, with respect to its securities which would adversely affect the ability of any of the Centre Funds to include their Registrable Securities in a registration undertaken pursuant to this Agreement or
which would adversely affect the marketability of such Registrable Securities in any such registration (including, without limitation, effecting a stock split or a combination of shares). 
 (c) Remedies. Any Person having rights under any provision of this Agreement shall be entitled to enforce such rights specifically to
recover damages caused by reason of any breach of any provision this Agreement and to exercise all other rights granted by law. The parties hereto agree and acknowledge that money damages may not be an adequate remedy for any breach of the
provisions of this Agreement and that any party may in its sole discretion apply to any court of law or equity of competent jurisdiction (without posting any bond or other security) for specific performance and for other injunctive relief in order
to enforce or prevent violation of the provisions of this Agreement. 
 (d) Amendments and Waivers. The provisions of this
Agreement may not be amended, modified or supplemented, and waivers or consents to departures from the provisions hereof may not be given, except by a writing signed by all of the parties. 
 (e) Successors and Assigns. All covenants and agreements in this Agreement by or on behalf of any of the parties hereto shall bind and
inure to the benefit of the respective successors and assigns of the parties hereto whether so expressed or not. 
 (f)
Severability. Whenever possible, each provision of this Agreement shall be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Agreement is held to be prohibited by or invalid under applicable
law, such provision shall be ineffective only to the extent of such prohibition or invalidity, without invalidating the remainder of this Agreement. 
 (g) Counterparts. This Agreement may be executed simultaneously in two or more counterparts, any one of which need not contain the signatures of more than one party, but all such counterparts taken together shall
constitute one and the same Agreement. 
 (h) Descriptive Headings. The descriptive headings of this Agreement are inserted
for convenience only and do not constitute a part of this Agreement. 
  

 Page 7 

 (i) Governing Law. This Agreement shall be governed by and construed in accordance with
the internal laws of the State of New York applicable to contracts made and to be performed wholly within that state, without regard to the conflict of law rules thereof. 
 (j) Notices. All notices, demands or other communications to be given or delivered under or by reason of the provisions of this Agreement
shall be in writing and shall be deemed to have been given when delivered personally to the recipient, sent to the recipient by reputable overnight courier service (charges prepaid) or mailed to the recipient by certified or registered mail, return
receipt requested and postage prepaid. Such notices, demands and other communications shall be sent to the Company and the Centre Funds at such addresses and to the attention of such persons as is set forth in the Stockholders’ Agreement of
even date herewith among (among other parties) the parties hereto. 
  

 Page 8 

 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the date first written above.

  

					
	 THE CENTRE FUNDS:

	
	 CENTRE CAPITAL INVESTORS II, L.P.

	
	 CENTRE CAPITAL OFFSHORE INVESTORS II, L.P.

	
	 CENTRE CAPITAL TAX-EXEMPT INVESTORS II, L.P.

		
	 By:
	 	 Centre Partners II, L.P., as General Partner of such partnerships

		
	 By:
	 	 Centre Partners Management LLC, Attorney-in-Fact

			
		 	 By:
	 	 /s/ Jonathan H. Kagan

		 		 	 Jonathan H. Kagan

		 		 	 Managing Director

	
	 CENTRE PARALLEL MANAGEMENT PARTNERS, L.P.

	
	 CENTRE PARTNERS COINVESTMENT, L.P.

		
	 By:
	 	 Centre Partners II LLC, as General Partner of such partnerships

			
		 	 By:
	 	 /s/ Jonathan H. Kagan

		 		 	 Jonathan H. Kagan

		 		 	 Managing Director

 [signatures continued on following page] 
  

 Page 9 

					
	 THE STATE BOARD OF ADMINISTRATION OF FLORIDA

		
	 By:
	 	Centre Parallel Management Partners, L.P., Attorney-in-Fact
		
	 By:
	 	 Centre Partners II LLC, General Partner

			
		 	 By:
	 	 /s/ Jonathan H. Kagan

		 		 	 Jonathan H. Kagan

		 		 	 Managing Director

	
	 THE COMPANY:

	
	 HYCO INTERNATIONAL, INC.

			
		 	 By:
	 	 /s/ Richard S. Melrose

		 		 	 Richard S. Melrose

		 		 	 Chief Executive Officer

  

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