Document:

Exhibit 4.15

 

NEITHER THIS SECURITY NOR THE SECURITIES
FOR WHICH THIS SECURITY IS EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION
OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES
ACT”) AND APPLICABLE STATE SECURITIES LAWS, AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO,
THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAWS AS EVIDENCED BY A LEGAL
OPINION OF CORPORATE COUNSEL TO THE TRANSFEROR TO SUCH EFFECT, THE SUBSTANCE OF WHICH SHALL BE REASONABLY ACCEPTABLE TO THE COMPANY.

 

COMMON UNITS PURCHASE WARRANT 

SUMMIT SEMICONDUCTOR, LLC

 

	Warrant Units: [*]	 	 	Original Issue Date: [*]

 

 

THIS COMMON UNITPURCHASE WARRANT (the “Warrant”)
certifies that, for value received [*] or its assigns (the “Holder”) is entitled, upon the terms and subject
to the limitations on exercise and the conditions hereinafter set forth and in the Securities Purchase Agreement between the Company
and the Holder (the “Purchase Agreement”), at any time on or after the Original Issue Date and on or prior to
the close of business on the fifth anniversary of the Original Issue Date (the “Termination Date”) but not thereafter,
to subscribe for and purchase from Summit Semiconductor, LLC, a Delaware limited liability company (the “Company”),
up to [*] Common Units (as subject to adjustment hereunder, the “Warrant Units”); provided, however, the number
of Warrant Units exercisable pursuant to this Warrant shall double in the event the Company does not consummate an IPO by June
1, 2017. The purchase price of one Common Unit under this Warrant shall be equal to the Exercise Price, as defined in Section 2(b).

 

Section 1.               Definitions. Capitalized
terms used and not otherwise defined herein shall have the meanings set forth in the Senior Secured Original Issue Discount Convertible
Notes (the “Notes”), dated [*], issued by the Company to the purchasers pursuant to the Purchase Agreement.

 

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Section 2.              Exercise.

 

a)            Exercise
of Warrant. Exercise of the purchase rights represented by this Warrant may be made, in whole or in part, at any time or times
on or after the Initial Exercise Date and on or before the Termination Date by delivery to the Company (or such other office or
agency of the Company as the Company may designate by notice in writing to the registered Holder at the address of the Holder appearing
on the books of the Company) of a duly executed facsimile copy of the Notice of Exercise form annexed hereto and within three (3)
Trading Days of the date said Notice of Exercise is delivered to the Company, the Company shall have received payment of the aggregate
Exercise Price of the Common Units thereby purchased by wire transfer to an account designated by the Company or cashier’s
check drawn on a United States bank or, if available, pursuant to the cashless exercise procedure specified in Section 2(c) below.
If the amount of payment received by the Company is less than the aggregate Exercise Price of the Common Units being purchased,
the Holder shall make payment of the deficiency within three (3) Trading Days following notice thereof. Notwithstanding anything
herein to the contrary, the Holder shall not be required to physically surrender this Warrant to the Company until the Holder has
purchased all of the Warrant Units available hereunder and the Warrant has been exercised in full, in which case, the Holder shall
surrender this Warrant to the Company for cancellation within three (3) Trading Days of the date the final Notice of Exercise is
delivered to the Company. Partial exercises of this Warrant resulting in purchases of a portion of the total number of Warrant
Units available hereunder shall automatically reduce the outstanding number of Warrant Units purchasable hereunder in an amount
equal to the applicable number of Warrant Units purchased. The Holder and the Company shall maintain records showing the number
of Warrant Units purchased and the date of such purchases. The Company shall deliver any objection to any Notice of Exercise Form
within two (2) Business Days of receipt of such notice. The Holder and any assignee, by acceptance of this Warrant, acknowledge
and agree that, by reason of the provisions of this paragraph, following the purchase of a portion of the Warrant Units hereunder,
the number of Warrant Units available for purchase hereunder at any given time may be less than the amount stated on the face hereof.

 

b)            Exercise
Price. The exercise price per Common Unit under this Warrant shall be $0.36 (the “Exercise Price”).

 

c)            Cashless
Exercise. In connection with a Cashless Exercise, this Warrant shall represent the right to subscribe for and acquire the number
of Warrant Units equal to (i) the number of Warrant Units specified by the Holder in its Notice of Exercise (the “Total
Number”) less (ii) the number of Warrant Units equal to the quotient obtained by dividing (A) the product of the Total
Number and the applicable existing Exercise Price by (B) the Fair Market Value. “Fair Market Value” shall mean:
(1) if the Warrant Units are listed on the NYSE MKT (formerly NYSE AMEX), the Nasdaq Capital Market, the Nasdaq Global Market,
the Nasdaq Global Select Market, the New York Stock Exchange, the OTC Bulletin Board or the Pink OTC Markets (or any successors
to any of the foregoing), the last reported sale price of the Warrant Units on such exchange or Nasdaq on the date for which the
determination is being made; or (2) if the Warrant Units are not so listed, “Fair Market Value” shall be determined
in good faith by the Board of Directors of the Company.

 

d)            Mechanics
of Exercise.

 

i.            Delivery
of Certificates Upon Exercise at IPO. If Holder exercises this Warrant in connection with the Company’s initial public
offering (the “IPO”), certificates for Common Units purchased hereunder shall be transmitted by the Transfer
Agent to the Holder by crediting the account of the Holder’s prime broker with The Depository Trust Company through its Deposit
or Withdrawal at Custodian system (“DWAC”) if the Company is then a participant in such system and either (A)
there is an effective registration statement permitting the issuance of the Warrant Units to or resale of the Warrant Units by
the Holder and such Warrant Units have been sold or (B) the Common Units are eligible for resale by the Holder without volume or
manner-of-sale limitations pursuant to Rule 144, and otherwise by physical delivery to the address specified by the Holder in the
Notice of Exercise by the date that is five (5) Trading Days after the latest of (A) the delivery to the Company of the Notice
of Exercise, (B) surrender of this Warrant (if required), and (C) payment of the aggregate Exercise Price as set forth above (including
by cashless exercise, if permitted) (such date, the “Warrant Unit Delivery Date”). The Warrant Units shall be
deemed to have been issued, and Holder or any other person so designated to be named therein shall be deemed to have become a holder
of record of such shares for all purposes, as of the date the Warrant has been exercised in accordance with the requirements of
the preceding sentence and with payment to the Company of the Exercise Price (or by cashless exercise, if permitted) and all taxes
required to be paid by the Holder, if any, pursuant to Section 2(d)(vi) prior to the issuance of such Common Units, having been
paid.

 

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ii.         Delivery
of New Warrants Upon Exercise. If this Warrant shall have been exercised in part, the Company shall, at the request of a Holder
and upon surrender of this Warrant certificate, at the time of delivery of the certificate or certificates representing Warrant
Units, deliver to the Holder a new Warrant evidencing the rights of the Holder to purchase the unpurchased Warrant Units called
for by this Warrant, which new Warrant shall in all other respects be identical with this Warrant.

 

iii.         Rescission
Rights. If the Company fails to cause the Transfer Agent to transmit to the Holder a certificate or the certificates representing
the Warrant Units pursuant to Section 2(d)(i) by the Warrant Unit Delivery Date, then the Holder will have the right to rescind
such exercise.

 

iv.         Compensation
for Buy-In on Failure to Timely Deliver Certificates Upon Exercise at IPO. In addition to any other rights available to the
Holder, if the Company fails to cause the Transfer Agent to transmit to the Holder a certificate or the certificates representing
the Warrant Units pursuant to an exercise on or before the Warrant Unit Delivery Date, and if after such date the Holder is required
by its broker to purchase (in an open market transaction or otherwise) or the Holder’s brokerage firm otherwise purchases,
Common Units to deliver in satisfaction of a sale by the Holder of the Warrant Units which the Holder anticipated receiving upon
such exercise (a “Buy-In”), then the Company shall (A) pay in cash to the Holder the amount, if any, by which
(x) the Holder’s total purchase price (including brokerage commissions, if any) for the Common Units so purchased exceeds
(y) the amount obtained by multiplying (1) the number of Warrant Units that the Company was required to deliver to the Holder in
connection with the exercise at issue times (2) the price at which the sell order giving rise to such purchase obligation was executed,
and (B) at the option of the Holder, either reinstate the portion of the Warrant and equivalent number of Warrant Units for which
such exercise was not honored (in which case such exercise shall be deemed rescinded) or deliver to the Holder the number of Common
Units that would have been issued had the Company timely complied with its exercise and delivery obligations hereunder subject
to payment of the Exercise Price therefor. For example, if the Holder purchases Common Units having a total purchase price of $11,000
to cover a Buy-In with respect to an attempted exercise of Common Units with an aggregate sale price giving rise to such purchase
obligation of $10,000, under clause (A) of the immediately preceding sentence the Company shall be required to pay the Holder $1,000.
The Holder shall provide the Company written notice indicating the amounts payable to the Holder in respect of the Buy-In and,
upon request of the Company, evidence of the amount of such loss. Nothing herein shall limit a Holder’s right to pursue any
other remedies available to it hereunder, at law or in equity including, without limitation, a decree of specific performance and/or
injunctive relief with respect to the Company’s failure to timely deliver certificates representing Common Units upon exercise
of the Warrant as required pursuant to the terms hereof.

 

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v.           No
Fractional Common Units. No fractional Common Units shall be issued upon the exercise of this Warrant. As to any fraction of
a Common Unit which the Holder would otherwise be entitled to purchase upon such exercise, the Company shall, at its election,
either pay a cash adjustment in respect of such final fraction in an amount equal to such fraction multiplied by the Exercise Price
or round to the nearest whole Common Unit.

 

Section 3.              Certain
Adjustments.

 

a)            Issuance
of Additional Common Units.

 

i.            Until
the Company consummates its IPO, in the event the Company shall issue any Additional Common Units (as defined below), at a price
per share less than the Exercise Price then in effect or without consideration, then the Exercise Price upon each such issuance
shall be adjusted to that price determined by multiplying the Exercise Price then in effect by a fraction:

 

(A)         the
numerator of which shall be equal to the sum of (x) the number of outstanding Common Units (assuming full exercise, conversion
or exchange of all warrants and other securities which are convertible into or exercisable or exchangeable for, and any right to
subscribe for, Common Units) immediately prior to the issuance of such Additional Common Units plus (y) the number of Common Units
(rounded to the nearest whole Common Unit) which the aggregate consideration for the total number of such Additional Common Units
so issued would purchase at a price per share equal to the Exercise Price then in effect, and

 

(B)         the
denominator of which shall be equal to the number of outstanding Common Units (assuming full exercise, conversion or exchange of
all warrants and other securities which are convertible into or exercisable or exchangeable for, and any right to subscribe for,
Common Units) immediately after the issuance of such Additional Common Units.

 

ii.         “Additional
Common Units” means all Common Units issued by the Company after the date hereof, except: (i) securities issued (other
than for cash) in connection with a merger, acquisition, or consolidation, (ii) securities issued pursuant to the conversion or
exercise of convertible or exercisable securities issued or outstanding on or prior to the date of the Purchase Agreement or issued
pursuant to the Purchase Agreement (so long as the conversion or exercise price in such securities are not amended to lower such
price and/or adversely affect the Holders), (iii) the Warrant Units, (iv) securities issued in connection with bona fide strategic
license agreements or other partnering arrangements so long as such issuances are not for the purpose of raising capital, (v) Common
Units issued to the Company’s employees, directors, consultants or advisors, and (vi) any warrants issued to any placement
agent and its designees for the transactions contemplated by the Purchase Agreement.

 

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c)            Calculations.
All calculations under this Section 3 shall be made to the nearest cent or the nearest 1/100th of a Common Unit, as the case may
be. For purposes of this Section 3, the number of Common Units deemed to be issued and outstanding as of a given date shall be
the sum of the number of Common Units issued and outstanding.

 

d)            Notice
to Holder.

 

i.            Adjustment
to Exercise Price. Whenever the Exercise Price is adjusted pursuant to any provision of this Section 3, the Company shall promptly
mail to the Holder a notice setting forth the Exercise Price after such adjustment and any resulting adjustment to the number of
Warrant Units and setting forth a brief statement of the facts requiring such adjustment.

 

ii.         Notice
to Allow Exercise by Holder. If (A) the Company shall declare a dividend on the Common Units, (B) the Company shall declare
a special nonrecurring cash dividend on or a redemption of the Common Units, (C) the Company shall authorize the granting to all
holders of the Common Units rights or warrants to subscribe for or purchase any Common Units of any class or of any rights, (D)
the approval of any members of the Company shall be required in connection with any reclassification of the Common Units, any consolidation
or merger to which the Company is a party, any sale or transfer of all or substantially all of the assets of the Company, or any
compulsory share exchange whereby the Common Units are converted into other securities, cash or property, or (E) the Company shall
authorize the voluntary or involuntary dissolution, liquidation or winding up of the affairs of the Company, then, in each case,
the Company shall cause to be mailed to the Holder at its last address as it shall appear upon the Warrant Register of the Company,
at least 10 calendar days prior to the applicable record or effective date hereinafter specified, a notice stating (x) the date
on which a record is to be taken for the purpose of such dividend, redemption, rights or warrants, or if a record is not to be
taken, the date as of which the holders of the Common Units of record to be entitled to such dividend, redemption, rights or warrants
are to be determined or (y) the date on which such reclassification, consolidation, merger, sale, transfer or Common Unit exchange
is expected to become effective or close, and the date as of which it is expected that holders of the Common Units of record shall
be entitled to exchange their Common Units for securities, cash or other property deliverable upon such reclassification, consolidation,
merger, sale, transfer or Common Unit exchange; provided that the failure to mail such notice or any defect therein or in the mailing
thereof shall not affect the validity of the corporate action required to be specified in such notice. To the extent that any notice
provided hereunder constitutes, or contains, material, non-public information regarding the Company or any of the Subsidiaries,
the Company shall simultaneously publicly disclose such notice. The Holder shall remain entitled to exercise this Warrant during
the period commencing on the date of such notice to the effective date of the event triggering such notice except as may otherwise
be expressly set forth herein.

 

e)            Voluntary
Adjustment By Company. The Company may at any time during the term of this Warrant reduce the then current Exercise Price to
any amount and for any period of time deemed appropriate by the Board of Directors of the Company.

 

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f)             Adjustment
for Number of Warrant Units. In the event that the Company is unable to include at least 25% of the Conversion Units in the
IPO registration, then the number of Warrant Units will be recalculated as follows:

 

New Number of Warrant Units = Principal Amount divided
by the Exercise Price.

 

Section 4.             Transfer
of Warrant.

 

a)           Transferability.
Subject to compliance with any applicable securities laws and the conditions set forth in Section 4(d) hereof, this Warrant and
all rights hereunder (including, without limitation, any registration rights) are transferable, in whole or in part, upon surrender
of this Warrant at the principal office of the Company or its designated agent, together with a written assignment of this Warrant
substantially in the form attached hereto duly executed by the Holder or its agent or attorney and funds sufficient to pay any
transfer taxes payable upon the making of such transfer, but only after such transferee agrees to be bound by the provisions of
this Agreement. Upon such surrender and, if required, such payment, the Company shall execute and deliver a new Warrant or Warrants
in the name of the assignee or assignees, as applicable, and in the denomination or denominations specified in such instrument
of assignment, and shall issue to the assignor a new Warrant evidencing the portion of this Warrant not so assigned, and this Warrant
shall promptly be cancelled. The Warrant, if properly assigned in accordance herewith, may be exercised by a new holder for the
purchase of Warrant Units without having a new Warrant issued.

 

b)            New
Warrants. This Warrant may be divided or combined with other Warrants upon presentation hereof at the aforesaid office of the
Company, together with a written notice specifying the names and denominations in which new Warrants are to be issued, signed by
the Holder or its agent or attorney. Subject to compliance with Section 4(a), as to any transfer which may be involved in such
division or combination, the Company shall execute and deliver a new Warrant or Warrants in exchange for the Warrant or Warrants
to be divided or combined in accordance with such notice. All Warrants issued on transfers or exchanges shall be dated the Original
Issue Date and shall be identical with this Warrant except as to the number of Warrant Units issuable pursuant thereto.

 

c)            Warrant
Register. The Company shall register this Warrant, upon records to be maintained by the Company for that purpose (the “Warrant
Register”), in the name of the record Holder hereof from time to time. The Company may deem and treat the registered
Holder of this Warrant as the absolute owner hereof for the purpose of any exercise hereof or any distribution to the Holder, and
for all other purposes, absent actual notice to the contrary.

 

d)           Transfer
Restrictions. The Warrant may only be disposed of in compliance with state and federal securities laws and shall not transferred
unless the Warrant is (i) registered pursuant to an effective registration statement under the Securities Act and under applicable
state securities or blue sky laws or (ii) eligible for resale without volume or manner-of-sale restrictions or current public information
requirements pursuant to Rule 144.

 

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e)             Representation
by the Holder. The Holder, by the acceptance hereof, represents and warrants that it is acquiring this Warrant and, upon any
exercise hereof, will acquire the Warrant Units issuable upon such exercise, for its own account and not with a view to or for
distributing or reselling such Warrant Units or any part thereof in violation of the Securities Act or any applicable state securities
law, except pursuant to sales registered or exempted under the Securities Act.

 

Section 5.               Miscellaneous.

 

a)             No
Rights as Member Until Exercise. This Warrant does not entitle the Holder to any voting rights or other rights as a member
of the Company prior to the exercise hereof as set forth in Section 2(d)(i), except as expressly set forth in Section 3.

 

b)            Loss,
Theft, Destruction or Mutilation of Warrant. The Company covenants that upon receipt by the Company of evidence reasonably
satisfactory to it of the loss, theft, destruction or mutilation of this Warrant or any stock certificate relating to the Warrant
Units, and in case of loss, theft or destruction, of indemnity or security reasonably satisfactory to it (which, in the case of
the Warrant, shall not include the posting of any bond), and upon surrender and cancellation of such Warrant or stock certificate,
if mutilated, the Company will make and deliver a new Warrant or stock certificate of like tenor and dated as of such cancellation,
in lieu of such Warrant or stock certificate.

 

c)            Saturdays,
Sundays, Holidays, etc. If the last or appointed day for the taking of any action or the expiration of any right required or
granted herein shall not be a Business Day, then, such action may be taken or such right may be exercised on the next succeeding
Business Day.

 

d)            Authorized
Common Units.

 

The Company will
take all such reasonable action as may be necessary to assure that such Warrant Units may be issued as provided herein without
violation of any applicable law or regulation, or of any requirements of the Trading Market upon which the Common Units may be
listed. The Company covenants that all Warrant Units which may be issued upon the exercise of the purchase rights represented by
this Warrant will, upon exercise of the purchase rights represented by this Warrant and payment for such Warrant Units in accordance
herewith, be duly authorized, validly issued, fully paid and nonassessable and free from all taxes, liens and charges created by
the Company in respect of the issue thereof (other than taxes in respect of any transfer occurring contemporaneously with such
issue).

 

Except and to the
extent as waived or consented to by the Holder, the Company shall not by any action, including, without limitation, amending its
Operating Agreement or through any reorganization, transfer of assets, consolidation, merger, dissolution, issue or sale of securities
or any other voluntary action, avoid or seek to avoid the observance or performance of any of the terms of this Warrant, but will
at all times in good faith assist in the carrying out of all such terms and in the taking of all such actions as may be necessary
or appropriate to protect the rights of Holder as set forth in this Warrant against impairment. Without limiting the generality
of the foregoing, the Company will (i) take all such action as may be necessary or appropriate in order that the Company may validly
and legally issue fully paid and nonassessable Warrant Units upon the exercise of this Warrant and (ii) use commercially reasonable
efforts to obtain all such authorizations, exemptions or consents from any public regulatory body having jurisdiction thereof,
as may be, necessary to enable the Company to perform its obligations under this Warrant.

 

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Before taking any
action which would result in an adjustment in the number of Warrant Units for which this Warrant is exercisable or in the Exercise
Price, the Company shall obtain all such authorizations or exemptions thereof, or consents thereto, as may be necessary from any
public regulatory body having jurisdiction thereof.

 

e)            Jurisdiction.
All questions concerning the construction, validity, enforcement and interpretation of the Transaction Documents shall be governed
by and construed and enforced in accordance with the internal laws of the State of New York, without regard to the principles of
conflicts of law thereof.

 

f)             Restrictions.
The Holder acknowledges that the Warrant Units acquired upon the exercise of this Warrant, if not registered and the Holder does
not utilize cashless exercise, will have restrictions upon resale imposed by state and federal securities laws.

 

g)            Nonwaiver
and Expenses. No course of dealing or any delay or failure to exercise any right hereunder on the part of Holder or Company
shall operate as a waiver of such right or otherwise prejudice the Holder’s or Company’s rights, powers or remedies,
notwithstanding the fact that all rights hereunder terminate on the Termination Date. If either party willfully and knowingly fails
to comply with any provision of this Warrant, which results in any material damages to the other, the first party shall pay to
the other party such amounts as shall be sufficient to cover any costs and expenses including, but not limited to, reasonable attorneys’
fees, including those of appellate proceedings, incurred by the affected party in collecting any amounts due pursuant hereto or
in otherwise enforcing any of its rights, powers or remedies hereunder.

 

h)            Notices.
Any and all notices or other communications or deliveries required or permitted to be provided hereunder shall be in writing and
shall be deemed given and effective on the earliest of: (a) the date of transmission, if such notice or communication is delivered
via email or facsimile at the email address or facsimile number set forth on the signature pages attached to the Purchase Agreement
at or prior to 5:30 p.m. (New York City time) on a Trading Day, (b) the next Trading Day after the date of email or facsimile transmission,
if such notice or communication is delivered via email or facsimile at the email address or facsimile number set forth on the signature
pages attached to the Purchase Agreement on a day that is not a Trading Day or later than 5:30 p.m. (New York City time) on any
Trading Day, (c) the second (2nd) Trading Day following the date of mailing, if sent by U.S. nationally recognized overnight courier
service or (d) upon actual receipt by the party to whom such notice is required to be given. The address for such notices and communications
shall be as set forth on the signature page attached to the Purchase Agreement.

 

i)             Limitation
of Liability. No provision hereof, in the absence of any affirmative action by the Holder to exercise this Warrant to purchase
Warrant Units, and no enumeration herein of the rights or privileges of the Holder, shall give rise to any liability of the Holder
for the purchase price of any Common Units or as a member of the Company, whether such liability is asserted by the Company or
by creditors of the Company.

 

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j)             Remedies.
The Holder, in addition to being entitled to exercise all rights granted by law, including recovery of damages, will be entitled
to specific performance of its rights under this Warrant. The Company agrees that monetary damages would not be adequate compensation
for any loss incurred by reason of a breach by it of the provisions of this Warrant and hereby agrees to waive and not to assert
the defense in any action for specific performance that a remedy at law would be adequate.

 

k)            Successors
and Assigns. Subject to applicable securities laws, this Warrant and the rights and obligations evidenced hereby shall inure
to the benefit of and be binding upon the successors and permitted assigns of the Company and the successors and permitted assigns
of Holder. The provisions of this Warrant are intended to be for the benefit of any Holder from time to time of this Warrant and
shall be enforceable by the Holder or holder of Warrant Units.

 

l)             Amendment.
This Warrant may be modified or amended or the provisions hereof waived in accordance with the Purchase Agreement. Holder acknowledges
and agrees that this Warrant is subject to the Operating Agreement.

 

m)            Severability.
Wherever possible, each provision of this Warrant shall be interpreted in such manner as to be effective and valid under applicable
law, but if any provision of this Warrant shall be prohibited by or invalid under applicable law, such provision shall be ineffective
to the extent of such prohibition or invalidity, without invalidating the remainder of such provisions or the remaining provisions
of this Warrant.

 

n)            Headings.
The headings used in this Warrant are for the convenience of reference only and shall not, for any purpose, be deemed a part of
this Warrant.

 

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IN WITNESS WHEREOF,
the Company has caused this Warrant to be executed by its officer thereunto duly authorized as of the date first above indicated.

 

	 	SUMMIT SEMICONDUCTOR, LLC
	 	 	 
	 	By:	 
	 	 	Name: Brett Moyer
	 	 	Title: Chief Executive Officer

 

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NOTICE OF EXERCISE

 

TO:         SUMMIT SEMICONDUCTOR, LLC

 

         (1)         The
undersigned hereby elects to purchase Warrant Units of the Company pursuant to the terms of the attached Warrant (only if exercised
in full), and tenders herewith payment of the exercise price in full, together with all applicable transfer taxes, if any.

 

         (2)         Payment
shall take the form of (check applicable box): [ ] lawful money of the United States; or [ ] if permitted the cancellation of such
number of Warrant Units as is necessary, in accordance with the formula set forth in subsection 2(c), to exercise this Warrant
with respect to the maximum number of Warrant Units purchasable pursuant to the cashless exercise procedure set forth in subsection
2(c).

 

         (3)         If
in connection with the Company’s IPO, please issue a certificate or certificates representing said Warrant Units in the name
of the undersigned or in such other name as is specified below:

 

	 	 

 

         The Warrant Units
shall be delivered to the following DWAC Account Number or by physical delivery of a certificate to:

 

	 	 
	 	 
	 	 
	 	 
	 	 

 

         (4)         Accredited
Investor. The undersigned is an “accredited investor” as defined in Regulation D promulgated under the Securities
Act of 1933, as amended, and that the aforesaid Common Units are being acquired for the account of the undersigned for investment
and not with a view to, or for resale, in connection with the distribution thereof, and that the undersigned has no present intention
of distributing or reselling such Common Units.

 

	[SIGNATURE OF HOLDER]	 	 
	 	 	 
	Name of Investing Entity:	 	 
	 	 	 
	Signature of Authorized Signatory of Investing Entity: 	 	 
	 	 	 
	Name of Authorized Signatory:	 	 
	 	 	 
	Title of Authorized Signatory:	 	 
	 	 	 
	Date:	 	 

 

     

     

    

 

ASSIGNMENT FORM

 

(To assign the foregoing warrant, execute

this form and supply required information.

Do not use this form to exercise the warrant.)

 

FOR VALUE RECEIVED,
[______] all of or [_____] Common Units of the foregoing Warrant and all rights evidenced thereby are hereby assigned to

 

                                                                                                                                                                                 whose
address is                                                                                                                                                                                                                              .

 

                                                                                                                            

 

Dated: __________________, ____________

 

	 	Holder’s Signature:	 	 
	 	Holder’s Address:	 	 
	 	 	 	 

 

NOTE: The signature to this Assignment Form must correspond
with the name as it appears on the face of the Warrant, without alteration or enlargement or any change whatsoever, and must be
guaranteed by a bank or trust company. Officers of limited liability companies and those acting in a fiduciary or other representative
capacity should file proper evidence of authority to assign the foregoing Warrant.Exhibit 4.16

 

NEITHER THIS SECURITY NOR THE SECURITIES
INTO WHICH THIS SECURITY IS CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE SECURITIES COMMISSION
OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES
ACT”) AND APPLICABLE STATE SECURITIES LAWS, AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN EFFECTIVE
REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO,
THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE SECURITIES LAWS AS EVIDENCED BY A LEGAL
OPINION OF CORPORATE COUNSEL TO THE TRANSFEROR TO SUCH EFFECT, THE SUBSTANCE OF WHICH SHALL BE REASONABLY ACCEPTABLE TO THE COMPANY.

 

Original Issue Date: May 17, 2017

 

Maximum Principal Amount: $5,882,352.94

 

SENIOR SECURED ORIGINAL ISSUE DISCOUNT
CONVERTIBLE NOTE

 

THIS SENIOR SECURED ORIGINAL ISSUE DISCOUNT
CONVERTIBLE NOTE is one of a series of duly authorized and validly issued Senior Secured Original Issue Discount Convertible Notes
of Summit Semiconductor, LLC, a Delaware limited liability company (the “Company”), having its principal place
of business at 20575 NW Von Neumann Dr., Ste. 100 Beaverton, OR, 97006, designated as its Senior Original Issue Discount Convertible
Note (this Note, the “Note” and, collectively with the other Notes of such series, the “Notes”).

 

FOR VALUE RECEIVED, the Company promises
to pay to MARCorp Signal, LLC or its registered assigns (the “Holder”), or shall have paid pursuant to the terms
hereunder, the Principal Amount set forth on Schedule 1 attached hereto, as such schedule shall be updated from time to time, on
the Maturity Date. This Note is subject to the following additional provisions:

 

Section 1.          Definitions.
For the purposes hereof, in addition to the terms defined elsewhere in this Note, (a) capitalized terms not otherwise defined
herein shall have the meanings set forth in the Purchase Agreement and (b) the following terms shall have the following meanings:

 

“Bankruptcy Event” means
any of the following events: (a) the Company or any Significant Subsidiary (as such term is defined in Rule 1-02(w) of Regulation
S-X) thereof commences a case or other proceeding under any bankruptcy, reorganization, arrangement, adjustment of debt, relief
of debtors, dissolution, insolvency or liquidation or similar law of any jurisdiction relating to the Company or any Significant
Subsidiary thereof, (b) there is commenced against the Company or any Significant Subsidiary thereof any such case or proceeding
that is not dismissed within 60 days after commencement, (c) the Company or any Significant Subsidiary thereof is adjudicated insolvent
or bankrupt or any order of relief or other order approving any such case or proceeding is entered, (d) the Company or any Significant
Subsidiary thereof suffers any appointment of any custodian or the like for it or any substantial part of its property that is
not discharged or stayed within 60 calendar days after such appointment, (e) the Company or any Significant Subsidiary thereof
makes a general assignment for the benefit of creditors, (f) the Company or any Significant Subsidiary thereof calls a meeting
of its creditors with a view to arranging a composition, adjustment or restructuring of its debts or (g) the Company or any Significant
Subsidiary thereof, by any act or failure to act, expressly indicates its consent to, approval of or acquiescence in any of the
foregoing or takes any limited liability company or other action for the purpose of effecting any of the foregoing.

 

     

     

    

 

“Business Day” means
any day except any Saturday, any Sunday, any day which is a federal legal holiday in the United States or any day on which banking
institutions in the State of New York are authorized or required by law or other governmental action to close.

 

“Buy-In” shall have the
meaning set forth in Section 4(e)(v).

 

“Common Unit” means the
common unit of the Company, and any other class of securities into which such securities may hereafter be reclassified or changed.

 

“Conversion” shall have
the meaning ascribed to such term in Section 4.

 

“Conversion Date” shall
have the meaning set forth in Section 4(a).

 

“Conversion Price” shall
have the meaning set forth in Section 4(c).

 

“Conversion Units” means,
collectively, the Common Units issuable upon conversion of this Note in accordance with the terms hereof.

 

“Event of Default” shall
have the meaning set forth in Section 5(a).

 

“Maturity Date” means
October 31, 2017, provided that the Maturity Date shall be extended to November 30, 2017 if the Company submits a complete S-1
filing with respect to a Qualified IPO to the Securities and Exchange Commission on or prior to October 31, 2017.

 

“New York Courts” shall
have the meaning set forth in Section 6(d).

 

“Note Register” shall
have the meaning set forth in Section 2(c).

 

“Notice of Conversion”
shall have the meaning set forth in Section 4(a).

 

“Operating Agreement”
means that certain Amended and Restated Limited Liability Company Agreement dated April 9, 2016, as amended from time to time.

 

“Original Issue Date”
means the date of the first issuance of the Notes, regardless of any transfers of any Note and regardless of the number of instruments
which may be issued to evidence such Notes.

 

    	 	2	 

     

    

 

“Principal Amount” means
the Aggregate Principal Amount as set forth on Schedule 1 attached hereto as such schedule may be updated by the Company following
receipt of funds from the Holder from time to time in accordance with the Purchase Agreement.

 

“Purchase Agreement”
means the Securities Purchase Agreement, dated as of May __, 2017 among the Company and the Holders, as amended, modified or supplemented
from time to time in accordance with its terms.

 

“Qualified IPO” means
an initial public offering of the Common Units with a pre-money valuation of at least $50,000,000 and an aggregate capital raise
of at least $20,000,000.

 

“Securities Act” means
the Securities Act of 1933, as amended, and the rules and regulations promulgated thereunder.

 

“Share Delivery Date”
shall means the date three (3) Trading Days following the completion of a Qualified IPO.

 

“Trading Day” means a
day on which the principal Trading Market is open for trading.

 

“Trading Market” means
any of the following markets or exchanges on which the Company’s Common Units (or an equivalent thereof) is listed or quoted
for trading on the date in question: the NYSE MKT (formerly NYSE AMEX), the Nasdaq Capital Market, the Nasdaq Global Market, the
Nasdaq Global Select Market, the New York Stock Exchange, the OTC Bulletin Board or the Pink OTC Markets (or any successors to
any of the foregoing).

 

“Transaction Documents”
means this Note, the Purchase Agreement, any other instrument evidencing indebtedness to the Holder, and such other documents and
instruments as are signed and delivered by the Holders or the Company for the transactions contemplated by this Note, each as may
be amended.

 

Section 2.          Original
Issue Discount. The Company acknowledges and agrees that this Note has been issued at an original issue discount. No regularly
scheduled interest payments shall be made on this Note. All payments hereunder will be paid to the Person in whose name this Note
is registered on the records of the Company regarding registration and transfers of this Note (the “Note Register”).

 

Section 3.          Registration
of Transfers and Exchanges.

 

a)       Different
Denominations. This Note is exchangeable for an equal aggregate Principal Amount of Notes of different authorized denominations,
as requested by the Holder surrendering the same; provided, that the minimum principal amount of any replacement Note shall be
$50,000. No service charge will be payable for such registration of transfer or exchange.

 

b)       Investment
Representations. This Note has been issued subject to certain investment representations of the original Holder set forth in
the Purchase Agreement and may be transferred or exchanged only in compliance with the Purchase Agreement and applicable federal
and state securities laws and regulations to successor Holders who provide the same investment representations to the Company.

 

    	 	3	 

     

    

 

c)       Reliance
on Note Register. Prior to due presentment for transfer to the Company of this Note, the Company and any agent of the Company
may treat the Person in whose name this Note is duly registered on the Note Register as the owner hereof for the purpose of receiving
payment as herein provided and for all other purposes, whether or not this Note is overdue, and neither the Company nor any such
agent shall be affected by notice to the contrary.

 

Section 4.          Conversion.

 

a)       Voluntary
Conversion. At any time after the Original Issue Date until this Note is no longer outstanding, this Note shall be convertible,
in whole and not in part, into Common Units at the option of the Holder, at any time and from time to time (subject to Section
4(c) hereof). The Holder shall effect conversions by delivering to the Company a Notice of Conversion, the form of which is attached
hereto as Annex A (each, a “Notice of Conversion”), specifying therein the date on which such conversion shall
be effected (such date, the “Conversion Date”). If no Conversion Date is specified in a Notice of Conversion,
the Conversion Date shall be the date that such Notice of Conversion is deemed delivered hereunder. To effect conversions hereunder,
the Holder shall be required to physically surrender this Note to the Company. The Company may deliver an objection to any Notice
of Conversion within two (2) Business Days of delivery of such Notice of Conversion. Holder agrees and acknowledges that upon written
consent of the Company and the Requisite Holders, the aggregate principal amount of all the outstanding Notes, including this Note,
shall convert into Common Units at the Conversion Price. For clarity, such consent by the Requisite Holders shall be binding upon
all Holders.

 

b)       Mandatory
Conversion. In the event that the Company completes a Qualified IPO, the aggregate Principal Amount of this Note (plus
any accrued but unpaid interest) shall be converted, automatically and without any further action on the part of the Holder, the
Company or any other Person, into that number of Common Units (or an equivalent thereof) as is equal to the quotient obtained by
dividing (i) the aggregate Principal Amount of this Note (plus any accrued but unpaid interest) by (ii) the Conversion Price.

 

c)       Conversion
Price. The “Conversion Price” in effect on a Conversion Date in connection with a Qualified IPO shall be equal
to the lesser of (A) (i) $0.30 (the “Price-Based Conversion Price”) and (B) (i) the highest price per Common
Unit sold in a Qualified IPO, multiplied by (ii) 75%; and on any other Conversion Date, the “Conversion Price” shall
be equal to the lesser of (A) (i) the Price-Based Conversion Price and (ii) the price per share or price per unit issued by the
Company in connection with any sale or other transaction involving substantially all of the assets of the Company, if any. The
“Conversion Price” shall be subject to adjustment as set forth in this Section 4(c) and Section 4(d). In the event
the Company (i) makes a distribution or distributions on Common Units payable in Common Units or any Common Unit Equivalents (which,
for avoidance of doubt, shall not include any Common Units issued by the Company upon conversion of, or payment of interest on,
the Notes), (ii) subdivides outstanding Common Units into a larger number of Common Units, (iii) combines (including by way of
a reverse split) outstanding Common Units into a smaller number of Common Units or (iv) issues, in the event of a reclassification
of Common Units, any Common Units of the Company, then the Conversion Price shall be adjusted by multiplying the Conversion Price
by a fraction of which the numerator shall be the number of Common Units outstanding immediately before such event, and of which
the denominator shall be the number of Common Units outstanding immediately after such event. Any adjustment made pursuant to this
Section shall become effective immediately after the record date for the determination of members entitled to receive such distribution
and shall become effective immediately after the effective date in the case of a subdivision, combination or re-classification.

 

    	 	4	 

     

    

 

d)       Adjustments
for Reorganization, Merger, Consolidation or Sales of Assets. If at any time or from time to time after the issuance date of
this Note there shall be a capital reorganization of the Company (other than by way of a stock split or combination of shares or
stock dividends or distributions, or a reclassification, exchange or substitution of shares), or a merger or consolidation of the
Company with or into another corporation where the holders of the Company’s outstanding voting securities prior to such merger
or consolidation do not own over 50% of the outstanding voting securities of the merged or consolidated entity, immediately after
such merger or consolidation, or the sale of all or substantially all of the Company’s properties or assets to any other
person (an “Organic Change”), then as a part of such Organic Change an appropriate revision to the conversion price
shall be made if necessary and provision shall be made if necessary (by adjustments of the conversion price or otherwise) so that,
upon any subsequent conversion of this Note, the Holder shall have the right to receive, in lieu of Conversion Shares, the kind
and amount of shares of stock and other securities or property of the Company or any successor corporation resulting from the Organic
Change. In any such case, appropriate adjustment shall be made in the application of the provisions of Section 4(c) with respect
to the rights of the Holder after the Organic Change to the end that the provisions of Section 4(c) (including any adjustment in
the conversion price then in effect and the number of shares of stock or other securities deliverable upon conversion of this Note)
shall be applied after that event in as nearly an equivalent manner as may be practicable.

 

e)       Mechanics
of Conversion.

 

i.            Conversion
Units Issuable Upon Conversion of Principal Amount. The number of Conversion Units issuable upon a conversion hereunder shall
be determined by the quotient obtained by dividing (x) the aggregate Principal Amount of this Note to be converted by (y) the Conversion
Price.

 

ii.         Delivery
of Certificate Upon Conversion. The Company shall promptly deliver, or cause to be delivered, to the Holder a certificate or
certificates representing the Conversion Shares representing the number of Conversion Shares being acquired upon the conversion
of this Note.

 

    	 	5	 

     

    

 

iii.         Obligation
Absolute; Partial Liquidated Damages. The Company’s obligations to issue the Conversion Units upon conversion of this
Note in accordance with the terms hereof are absolute and unconditional, irrespective of any action or inaction by the Holder to
enforce the same, any waiver or consent with respect to any provision hereof, the recovery of any judgment against any Person or
any action to enforce the same, or any setoff, counterclaim, recoupment, limitation or termination, or any breach or alleged breach
by the Holder or any other Person of any obligation to the Company or any violation or alleged violation of law by the Holder or
any other Person, and irrespective of any other circumstance which might otherwise limit such obligation of the Company to the
Holder in connection with the issuance of such Conversion Units; provided, however, that such delivery shall not
operate as a waiver by the Company of any such action the Company may have against the Holder. Nothing herein shall limit a Holder’s
right to pursue actual damages or declare an Event of Default pursuant to Section 5 hereof for the Company’s failure to deliver
Conversion Units within the period specified herein and the Holder shall have the right to pursue all remedies available to it
hereunder, at law or in equity including, without limitation, a decree of specific performance and/or injunctive relief. The exercise
of any such rights shall not prohibit the Holder from seeking to enforce damages pursuant to any other Section hereof or under
applicable law.

 

iv.         Compensation
for Buy-In on Failure to Timely Deliver Certificates Upon Conversion. In addition to any other rights available to the Holder,
if the Company fails for any reason to deliver to the Holder such certificate or certificates by the Share Delivery Date pursuant
to Section 4(e)(ii), and if after such Share Delivery Date the Holder is required by its brokerage firm to purchase (in an open
market transaction or otherwise), or the Holder’s brokerage firm otherwise purchases, Common Units to deliver in satisfaction
of a sale by the Holder of the Conversion Units which the Holder was entitled to receive upon the conversion relating to such Share
Delivery Date (a “Buy-In”), then the Company shall (A) pay in cash to the Holder (in addition to any other remedies
available to or elected by the Holder) the amount, if any, by which (x) the Holder’s total purchase price (including any
brokerage commissions) for the Common Units so purchased exceeds (y) the product of (1) the aggregate number of Common Units that
the Holder was entitled to receive from the conversion at issue multiplied by (2) the actual sale price at which the sell order
giving rise to such purchase obligation was executed (including any brokerage commissions) and (B) at the option of the Holder,
either reissue (if surrendered) this Note in a principal amount equal to the principal amount of the attempted conversion (in which
case such conversion shall be deemed rescinded) or deliver to the Holder the number of Common Units that would have been issued
if the Company had timely complied with its delivery requirements under Section 4(e)(ii). For example, if the Holder purchases
Common Units having a total purchase price of $11,000 to cover a Buy-In with respect to an attempted conversion of this Note with
respect to which the actual sale price of the Conversion Units (including any brokerage commissions) giving rise to such purchase
obligation was a total of $10,000 under clause of the immediately preceding sentence, the Company shall be required to pay the
Holder $1,000. The Holder shall provide the Company written notice indicating the amounts payable to the Holder in respect of the
Buy-In and, upon request of the Company, evidence of the amount of such loss. Nothing herein shall limit a Holder’s right
to pursue any other remedies available to it hereunder, at law or in equity including, without limitation, a decree of specific
performance and/or injunctive relief with respect to the Company’s failure to timely deliver certificates representing Common
Units upon conversion of this Note as required pursuant to the terms hereof.

 

v.           Fractional
Common Units. No fractional Common Units shall be issued upon the conversion of this Note. As to any fraction of a share which
the Holder would otherwise be entitled to purchase upon such conversion, the Company shall at its election, either pay a cash adjustment
in respect of such final fraction in an amount equal to such fraction multiplied by the Conversion Price or round up to the next
whole Common Unit.

 

    	 	6	 

     

    

 

f)         Additional
Adjustment. The Price-Based Conversion Price was established based on the Company’s representations and warranties set
forth in Section 3.1(g) of the Purchase Agreement. If such Capitalization Representation shall be determined to have been untrue
or incorrect as of immediately prior to the Initial Closing and understated the number of units of the Company outstanding, calculated
on a fully-diluted basis, the Price-Based Conversion Price then in effect shall be automatically reduced to an amount equal to
the per share price that would put the Holder in the same economic position upon conversion as if the Company’s representations
and warranties set forth in Section 3.1(g) of the Purchase Agreement were correct as of the Initial Closing.

 

Section 5.          Negative
Covenants. As long as this Note remains outstanding, the Company shall not, and shall not permit
any of the Subsidiaries to, directly or indirectly:

 

a)       amend
its charter documents, including, without limitation, its operating agreement, in any manner that materially and adversely affects
any rights of the Holder;

 

b)       pay
cash dividends or distributions on any equity securities of the Company;

 

c)       enter
into any transaction with any Affiliate of the Company which would be required to be disclosed in any public filing with the Commission,
unless such transaction is made on an arm’s-length basis and expressly approved by a majority of the disinterested directors
of the Company (even if less than a quorum otherwise required for board approval); or

 

d)       enter
into any agreement with respect to any of the foregoing.

 

Section 6.          Events
of Default.

 

a)       “Event
of Default” means, wherever used herein, any of the following events (whatever the reason for such event and whether
such event shall be voluntary or involuntary or effected by operation of law or pursuant to any judgment, decree or order of any
court, or any order, rule or regulation of any administrative or governmental body):

 

i.            any
default in the payment of (A) the principal amount of any Note or (B) interest, liquidated damages and other amounts owing to a
Holder on any Note, as and when the same shall become due and payable (whether on a Conversion Date or the Maturity Date or by
acceleration or otherwise) which default, solely in the case of an interest payment or other default under clause (B) above, is
not cured within fifteen (15) Trading Days;

 

ii.         the
Company shall fail to observe or perform any other material covenant or agreement contained in the Notes which failure is not cured,
if possible to cure, within the earlier to occur of (A) fifteen (15) Trading Days after notice of such failure sent by the Holder
or by any other Holder to the Company and thirty (30) Trading Days after the Company has become or should reasonably have become
aware of such failure;

 

iii.         any
representation or warranty made in this Note or any other Transaction Documents shall be untrue or incorrect in any material respect
as of the date when made or deemed made;

 

    	 	7	 

     

    

 

iv.         the
Company or any Significant Subsidiary (as such term is defined in Rule 1-02(w) of Regulation S-X) shall be subject to a Bankruptcy
Event; or

 

v.           following
the date the Company initially becomes a reporting company pursuant to the Exchange Act and its shares of Common Units are listed
on a Trading Market, the Common Units shall subsequently not be eligible for listing or quotation for trading on a Trading Market
and shall not be eligible to resume listing or quotation for trading thereon within five (5) Trading Days.

 

b)       Remedies
Upon Event of Default. If any Event of Default occurs and is continuing before the Maturity Date, the outstanding principal
amount of this Note, plus liquidated damages, interest and other amounts owing in respect thereof through the date of acceleration,
shall become, at the Holder’s election, immediately due and payable in cash. Commencing five (5) Trading Days after the occurrence
of any Event of Default that results in the eventual acceleration of this Note, the interest rate on this Note shall accrue at
an interest rate equal to the lesser of 15% per annum or the maximum rate permitted under applicable law. Upon the payment in full,
the Holder shall promptly surrender this Note to or as directed by the Company. In connection with such acceleration described
herein, the Holder need not provide, and the Company hereby waives, any presentment, demand, protest or other notice of any kind,
and the Holder may immediately and without expiration of any grace period enforce any and all of its rights and remedies hereunder
and all other remedies available to it under applicable law. Such acceleration may be rescinded and annulled by Holder at any time
prior to payment hereunder and the Holder shall have all rights as a holder of the Note until such time, if any, as the Holder
receives full payment pursuant to this Section 5(b). No such rescission or annulment shall affect any subsequent Event of Default
or impair any right consequent thereon.

 

c)       Penalty
for Failure to Repay by the Maturity Date. If, on the Maturity Date, the Principal Amount of any Note, or the interest, liquidated
damages and other amounts owing to a Holder on any Note, remains unpaid, the Company shall pay to the Holder a monthly default
penalty of 10% of the total Principal Amount unpaid on the Maturity Date (“Maturity Balance”). The Company,
however, shall still be required to repay the Holder the Maturity Balance and interest on the Maturity Balance as set forth in
Section 6b) above.

 

Section 7.          Voluntary
Prepayment. If the Second Closing has not occurred on June 7, 2017, the Company shall have the option to voluntarily repay
in whole, but not in part, the Principal Amount of this Note plus any accrued but unpaid interest at any time on or prior to June
15, 2017.

 

    	 	8	 

     

    

 

Section 8.          Miscellaneous.

 

a)       Notices.
Any and all notices or other communications or deliveries to be provided by the Holder hereunder, including, without limitation,
any Notice of Conversion, shall be in writing and delivered personally, by e-mail, facsimile, or sent by a nationally recognized
overnight courier service, addressed to the Company, at the address set forth above, or such other e-mail address, facsimile number
or address as the Company may specify for such purposes by notice to the Holder delivered in accordance with this Section 6(a).
Any and all notices or other communications or deliveries to be provided by the Company hereunder shall be in writing and delivered
personally, by e-mail or facsimile, or sent by a nationally recognized overnight courier service addressed to each Holder at the
e-mail address, facsimile number or address of the Holder appearing on the signature pages attached to the Purchase Agreement.
Any notice or other communication or deliveries hereunder shall be deemed given and effective on the earliest of (i) the date of
transmission, if such notice or communication is delivered via e-mail or facsimile at the email address or facsimile number set
forth on the signature pages attached to the Purchase Agreement prior to 5:30 p.m. (New York City time) on any date, (ii) the next
Trading Day after the date of transmission, if such notice or communication is delivered via e-mail or facsimile at the e-mail
address or facsimile number set forth on the signature pages attached to the Purchase Agreement on a day that is not a Trading
Day or later than 5:30 p.m. (New York City time) on any Trading Day, (iii) the second Trading Day following the date of mailing,
if sent by U.S. nationally recognized overnight courier service or (iv) upon actual receipt by the party to whom such notice is
required to be given.

 

b)       Absolute
Obligation. Except as expressly provided herein, no provision of this Note shall alter or impair the obligation of the Company,
which is absolute and unconditional, to pay the principal of, liquidated damages and accrued interest, as applicable, on this Note
at the time, place, and rate, and in the coin or currency, herein prescribed. This Note is a direct debt obligation of the Company.

 

c)       Lost
or Mutilated Note. If this Note shall be mutilated, lost, stolen or destroyed, the Company shall execute and deliver, in exchange
and substitution for and upon cancellation of a mutilated Note, or in lieu of or in substitution for a lost, stolen or destroyed
Note, a new Note for the Principal Amount of this Note so mutilated, lost, stolen or destroyed, but only upon receipt of evidence
of such loss, theft or destruction of such Note, and of the ownership hereof, reasonably satisfactory to the Company.

 

d)       Governing
Law. All questions concerning the construction, validity, enforcement and interpretation of this Note shall be governed by
and construed and enforced in accordance with the internal laws of the State of New York, without regard to the principles of conflict
of laws thereof. Each party agrees that all legal proceedings concerning the interpretation, enforcement and defense of the transactions
contemplated by this Note (whether brought against a party hereto or its respective Affiliates, directors, officers, shareholders,
employees or agents) shall be commenced in the state and federal courts sitting in the City of New York, Borough of Manhattan (the
“New York Courts”). Each party hereto hereby irrevocably submits to the exclusive jurisdiction of the New York
Courts for the adjudication of any dispute hereunder or in connection herewith or with any transaction contemplated hereby or discussed
herein (including with respect to the enforcement of this Note), and hereby irrevocably waives, and agrees not to assert in any
suit, action or proceeding, any claim that it is not personally subject to the jurisdiction of such New York Courts, or such New
York Courts are improper or inconvenient venue for such proceeding. Each party hereby irrevocably waives personal service of process
and consents to process being served in any such suit, action or proceeding by mailing a copy thereof via registered or certified
mail or overnight delivery (with evidence of delivery) to such party at the address in effect for notices to it under this Note
and agrees that such service shall constitute good and sufficient service of process and notice thereof. Nothing contained herein
shall be deemed to limit in any way any right to serve process in any other manner permitted by applicable law. Each party hereto
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 Note or the transactions contemplated hereby. If any party shall commence an action or proceeding
to enforce any provisions of this Note, then the prevailing party in such action or proceeding shall be reimbursed by the other
party for its attorney’s fees and other costs and expenses incurred in the investigation, preparation and prosecution of
such action or proceeding.

 

    	 	9	 

     

    

 

e)       Waiver.
Any waiver by the Company or the Holder of a breach of any provision of this Note shall not operate as or be construed to be a
waiver of any other breach of such provision or of any breach of any other provision of this Note. The failure of the Company or
the Holder to insist upon strict adherence to any term of this Note on one or more occasions shall not be considered a waiver or
deprive that party of the right thereafter to insist upon strict adherence to that term or any other term of this Note on any other
occasion. Any waiver by the Company or the Holder must be in writing.

 

f)         Severability.
If any provision of this Note is invalid, illegal or unenforceable, the balance of this Note shall remain in effect, and if any
provision is inapplicable to any Person or circumstance, it shall nevertheless remain applicable to all other Persons and circumstances.
If it shall be found that any interest or other amount deemed interest due hereunder violates the applicable law governing usury,
the applicable rate of interest due hereunder shall automatically be lowered to equal the maximum rate of interest permitted under
applicable law. The Company covenants (to the extent that it may lawfully do so) that it 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 or other law which would
prohibit or forgive the Company from paying all or any portion of the principal of or interest on this Note as contemplated herein,
wherever enacted, now or at any time hereafter in force, or which may affect the covenants or the performance of this Note, and
the Company (to the extent it may lawfully do so) hereby expressly waives all benefits or advantage of any such law, and covenants
that it will not, by resort to any such law, hinder, delay or impede the execution of any power herein granted to the Holder, but
will suffer and permit the execution of every such as though no such law has been enacted.

 

g)       Next
Business Day. Whenever any payment or other obligation hereunder shall be due on a day other than a Business Day, such payment
shall be made on the next succeeding Business Day.

 

h)       Headings.
The headings contained herein are for convenience only, do not constitute a part of this Note and shall not be deemed to limit
or affect any of the provisions hereof.

 

i)         Amendment.
This Note may be modified or amended or the provisions hereof waived in accordance with the Purchase Agreement. Holder acknowledges
and agrees that such Holder shall be bound by the terms of the Operating Agreement in the event this Note is converted to Units
of the Company and the Company continues to be a limited liability company at the time of conversion.

 

    	 	10	 

     

    

 

IN WITNESS WHEREOF, the Company has caused
this Note to be duly executed by a duly authorized officer as of the date first above indicated.

 

	 	Summit Semiconductor, LLC
	 	 	 	 
	 	By:	 
	 	 	Name:  	Brett Moyer
	 	 	Title:  	Chief Executive Officer

 

[Signature Page to Convertible Note]

 

     

     

    

 

SCHEDULE 1 

 

PRINCIPAL AMOUNT

 

Schedule 1

 

	Name	 	Date	 	Principal Amount 
 of Note	 
	MARCorp Signal, LLC	 	May 16, 2017	 	$	1,176,470.59	 
	 	 	 	 	 	 	 
	Aggregate Principal Amount	 	 	 	$	1,176,470.59	 

 

     

     

    

 

ANNEX A

 

NOTICE OF CONVERSION

 

The undersigned hereby elects to convert the principal under
the Original Issue Discount Convertible Note of Summit Semiconductor, LLC, a Delaware limited liability company (the “Company”),
into Common Units (the “Common Units”), of the Company according to the conditions hereof, as of the date written
below. If Common Units are to be issued in the name of a person other than the undersigned, the undersigned will pay all transfer
taxes payable with respect thereto and is delivering herewith such certificates and opinions as reasonably requested by the Company
in accordance therewith. No fee will be charged to the holder for any conversion, except for such transfer taxes, if any.

 

	Conversion calculations:	 
	 	 
	Date to Effect Conversion:	 
	 	 
	Principal Amount of Note to be Converted:	 
	 	 
	Number of Common Units to be issued:	 
	 	 
	Cash to be paid to Holder:	 
	 	 
	Signature:	 
	 	 
	Name:	 
	 	 
	Address for Delivery of Common Unit Certificates:	 
	 	 
	Or	 
	 	 
	DWAC Instructions:	 
	 	 
	Broker No:	 
	 	 
	Account No:

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