Document:

Form of Section 16 COC Agreement

 Exhibit 10.3 
 [DRAFT Section 16 Officers] 
 CHANGE OF CONTROL AGREEMENT 
 THIS CHANGE OF CONTROL AGREEMENT (the “Agreement”) is made as of [insert date] (the “Effective Date”) by
and between Microtune, Inc., a Delaware corporation (the “Company”), and [insert name] (“Employee”), and the foregoing parties hereby agree as follows: 
 1. Revocation of Existing Change of Control Agreements. All existing agreements or arrangements between the Company and Employee that provide for
or relate to the payment of cash or other benefits in connection with a change of control are hereby revoked and superseded by this Agreement. 
 2. Employment. 
 (a) As of the Effective Date, Employee, who has served as [insert title] of the Company
since [insert date], shall continue to serve in such capacity. 
 (b) In the event of a Change of Control (as defined in
Section 3(g) below) that results in the termination of Employee, the Company shall pay Employee severance benefits as set forth in Section 4 below. 
 (c) Notwithstanding anything herein to the contrary, nothing in this Agreement shall change Employee’s status as an at will
employee prior to a Change of Control. 
 3. Certain Definitions. For the purposes of this Agreement, the following terms have the
meanings set forth below. 
 (a) “Affiliate” shall have the meaning ascribed to such term in Rule
12b-2 of the General Rules and Regulations under the Exchange Act, as in effect on the Effective Date. 
 (b)
“Associate” means, with reference to any Person: 
 (i) any corporation, firm, partnership,
association, unincorporated organization or other entity (other than the Company or a subsidiary of the Company) of which such Person is an officer or general partner (or officer or general partner of a general partner) or is, directly or
indirectly, the Beneficial Owner of 10% or more of any class of equity securities, 
 (ii) any trust or other estate in which
such Person has a substantial beneficial interest or as to which such Person serves as trustee or in a similar fiduciary capacity, and 
 (iii) any relative or spouse of such Person, or any relative of such spouse, who has the same home as such Person. 
 (c) “Base Compensation” means the higher of Employee’s rate of annual base salary, as in effect at any time during the twelve-month period that ends on (i) the date of any Change of
Control or (ii) Employee’s Date of Termination. Notwithstanding anything herein to the contrary, Base Compensation does not include elements such as bonuses, reimbursement of interest paid on guaranteed loans, auto allowances, or any
income from any form of equity based compensation, such as may result from the exercise of stock options or stock appreciation rights, 

 
or the receipt of restricted stock unit awards, restricted stock awards or the lapse of the restrictions on such awards. 
 (d) “Beneficial Owner” means (subject to the exception contained in Section 3(d)(iv) below), with reference
to any securities, any Person if: 
 (i) such Person or any of such Person’s Affiliates and Associates, directly or
indirectly, is the “beneficial owner” (as determined pursuant to Rule 13d-3 of the General Rules and Regulations under the Exchange Act, as in effect on the Effective Date) of such securities or otherwise has the right to vote or dispose
of such securities, including pursuant to any agreement, arrangement or understanding (whether or not in writing); provided, however, that a Person shall not be deemed the Beneficial Owner of, or to “beneficially own,” any security under
this Section 3(d)(i) as a result of an agreement, arrangement or understanding to vote such security if such agreement, arrangement or understanding: 
 (1) arises solely from a revocable proxy or consent given in response to a public (i.e., not including a solicitation exempted by Rule
14a-2(b)(2) of the General Rules and Regulations under the Exchange Act) proxy or consent solicitation made pursuant to, and in accordance with, the applicable provisions of the General Rules and Regulations under the Exchange Act, and 

(2) is not then reportable by such Person on Schedule 13D under the Exchange Act (or any comparable or successor report); 

(ii) such Person or any of such Person’s Affiliates and Associates, directly or indirectly, has the right or obligation to
acquire such securities (whether such right or obligation is exercisable or effective immediately or only after the passage of time or the occurrence of an event) pursuant to any agreement, arrangement or understanding (whether or not in writing) or
upon the exercise of conversion rights, exchange rights, other rights, warrants or options, or otherwise; provided, however, that a Person shall not be deemed the Beneficial Owner of or to “beneficially own”: 
 (1) securities tendered pursuant to a tender or exchange offer made by such Person or any of such Person’s Affiliates or Associates
until such tendered securities are accepted for purchase or exchange, or 
 (2) securities issuable upon exercise of Exempt
Rights; or 
 (iii) such Person or any of such Person’s Affiliates or Associates: 
 (1) has any agreement, arrangement or understanding (whether or not in writing) with any other Person (or any Affiliate or Associate
thereof) that beneficially owns such securities for the purpose of acquiring, holding, voting (except as set forth in the proviso contained in Section 3(d)(i)) or disposing of such securities, or 
 (2) is a member of a group (as that term is used in Rule 13d-5(b) of the General Rules and Regulations under the Exchange Act) that
includes any other Person that beneficially owns such securities. 
  

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 (iv) Notwithstanding anything herein to the contrary, nothing in this Section 3(d)
shall cause a Person engaged in business as an underwriter of securities to be the Beneficial Owner of, or to “beneficially own,” any securities acquired through such Person’s participation in good faith in a firm commitment
underwriting until the expiration of 40 days after the date of such acquisition. For purposes hereof, “voting” a security shall include voting, granting a proxy, consenting or making a request or demand relating to corporate action
(including, without limitation, a demand for a stockholder list, to call a stockholder meeting or to inspect corporate books and records) or otherwise giving an authorization (within the meaning of Section 14(a) of the Exchange Act) in respect
of such security, and the terms “beneficially own” and “beneficially owning” shall have meanings that are correlative to the definition of the term Beneficial Owner contained herein. 
 (e) “Board” means the Board of Directors of the Company. 
 (f) “Cause” means the occurrence of any of the following events: (i) Employee is determined by a court of
law or pursuant to arbitration to have committed a willful act of embezzlement, fraud or dishonesty which resulted in material loss, material damage or material injury to the Company; (ii) Employee is convicted of, or pleads nolo
contendere to, a felony; or (iii) the failure of Employee, as reasonably determined by the Board (or the board of directors of the Company’s successor, the Acquiring Entity or the parent corporation resulting from a Business
Combination, if applicable) in good faith after consulting with outside counsel to resolve or otherwise cure any substantial violations of his or her employment duties within thirty (30) days after the provision of a written communication from
the Company to Employee that specifically sets forth the factual basis supporting the Company’s belief that Employee has not substantially performed his or her duties. However, Employee shall not be deemed to have been terminated for Cause
pursuant to 3(f)(i) and (iii) without (A) reasonable notice to Employee setting forth the reasons for the Company’s intention to terminate for cause, (B) an opportunity for Employee, together with his or her counsel, if any, to
be heard before the Board (or the board of directors of the Company’s successor, the Acquiring Entity or the parent corporation resulting from a Business Combination, if applicable), and (C) the concurrence of outside counsel selected by
the Board (or the board of directors of the Company’s successor, the Acquiring Entity or the parent corporation resulting from a Business Combination, if applicable) that one or more of the events set forth in Section 3(f)(i) or
(iii) have occurred. 
 (g) “Change of Control” shall mean: 
 (i) The acquisition by any Person of beneficial ownership of Outstanding Company Voting Securities (including any such acquisition of
beneficial ownership deemed to have occurred pursuant to Rule 13d-5 under the Exchange Act) if, immediately thereafter, such Person is the beneficial owner of 35% or more of either (a) the then Outstanding Company Common Stock or (b) the
then Outstanding Company Voting Securities, unless such acquisition is made (A) directly from the Company in a transaction approved by a majority of the members of the Board, (B) by any employee benefit plan (or related trust) sponsored or
maintained by the Company or any corporation controlled by the Company, or (C) by a parent corporation resulting from a Business Combination if, following such Business Combination, the conditions specified in clauses (a), (b) and
(c) of subsection (ii) of this Section 3(g) are satisfied; 
 (ii) Approval by the stockholders of the Company
of a Business Combination (or if there is no such approval by stockholders, consummation of such 

  

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Business Combination) unless, immediately following such Business Combination, (a) more than 50% of, respectively, the then outstanding shares of common
stock of the parent corporation resulting from such Business Combination and the total combined voting power of the then outstanding voting securities of such parent corporation entitled to vote generally in the election of directors will be (or is)
then beneficially owned, directly or indirectly, by all or substantially all of the individuals and entities who were the beneficial owners, respectively, of the Outstanding Company Common Stock and Outstanding Company Voting Securities immediately
prior to such Business Combination in substantially the same proportions as their ownership immediately prior to such Business Combination, (b) no Person (other than any employee benefit plan (or related trust) of the Company or any parent
corporation resulting from such Business Combination) beneficially owns, directly or indirectly, 20% or more, respectively, of the then outstanding shares of common stock of the parent corporation resulting from such Business Combination or the
combined voting power of the then outstanding voting securities of such corporation entitled to vote generally in the election of directors and (c) at least a majority of the members of the board of directors of the parent corporation resulting
from such Business Combination were members of the Board at the time of the execution of the initial agreement providing for, or action of the Board authorizing, such Business Combination; or 
 (iii) Approval by the stockholders of the Company of (a) a complete liquidation or dissolution of the Company or (b) a Major
Asset Disposition (or if there is no such approval by stockholders, consummation of such Major Asset Disposition) unless, immediately following such Major Asset Disposition, (A) all or substantially all of the individuals and entities that were
beneficial owners of the Outstanding Company Common Stock and the Outstanding Company Voting Securities immediately prior to such Major Asset Disposition beneficially own immediately after the transaction, directly or indirectly, more than 50% of,
respectively, the then outstanding shares of common stock, the combined voting power of the then outstanding voting securities, and the total value of all the then outstanding stock of the Company (if it continues to exist) and of the Acquiring
Entity, in substantially the same proportions as their ownership immediately prior to such Major Asset Disposition of the Outstanding Company Common Stock and the Outstanding Company Voting Securities, as the case may be; (B) no Person, other
than any employee benefit plan (or related trust) of the Company or such entity, beneficially owns, directly or indirectly, 20% or more of, respectively, the then Outstanding shares of Common Stock and the combined voting power of the Outstanding
Voting Securities of the Company (if it continues to exist) or of the Acquiring Entity and (C) at least a majority of the members of the board of directors (or comparable governing body) of the Company (if it continues to exist) or of the
Acquiring Entity were members of the Board at the time of the execution of the initial agreement providing for, or action of the Board authorizing, such Major Asset Disposition. 
 For purposes of the foregoing definition: 
 (1) the term “Acquiring Entity” means the entity that acquires the largest portion of the assets sold or otherwise disposed of in a Major Asset Disposition (or the entity, if any, that owns a majority
of the outstanding voting stock of such acquiring entity entitled to vote generally in the election of directors or members of a comparable governing body); 
  

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 (2) the term “Business Combination” means (x) a merger or
consolidation involving the Company or its stock or (y) an acquisition by the Company, directly or through one or more subsidiaries, of another entity or its stock or assets; 
 (3) the term “group” is used as it is defined for purposes of Section 13 of the Exchange Act and Rule 13d-5
thereunder; 
 (4) the term “Major Asset Disposition” means the sale or other disposition in one
transaction or a series of related transactions (other than to an entity, 50% or more of the total voting power of which is owned, directly or indirectly, by the Company) of all or substantially all of the assets of the Company and its subsidiaries
on a consolidated basis; 
 (5) the term “Outstanding Company Common Stock” means the outstanding shares of
Common Stock, par value $0.01 per share, of the Company; 
 (6) the term “Outstanding Company Voting
Securities” means outstanding voting securities of the Company entitled to vote generally in the election of directors; and any specified percentage or portion of the Outstanding Company Voting Securities (or of other voting stock or voting
securities) shall be determined based on the total combined voting power of such securities; 
 (7) the term “parent
corporation resulting from a Business Combination” means the Company if its stock is not acquired or converted in the Business Combination and otherwise means the entity which as a result of such Business Combination owns the Company or all
or substantially all of the Company’s assets, either directly or through one or more subsidiaries; and 
 (8) the term
“Person” means an individual, entity or group; 
 (h) “Change of Control Period”
means the period of time beginning two (2) months prior to the occurrence of a Change of Control and ending twelve (12) months following such Change of Control. 
 (i) “Code” means the Internal Revenue Code of 1986, as amended. 
 (j) “Constructive Termination” means any diminution or adverse change in the circumstances of Employee’s
employment during the Change of Control Period including, without limitation, reporting relationships, job description, duties, responsibilities, compensation, perquisites, office or location of employment, as reasonably determined in good faith by
the Board (or the board of directors of the Company’s successor, the Acquiring Entity or the parent corporation resulting from a Business Combination, if applicable); provided, however, that the existence of a Constructive Termination:

 (i) will not be deemed to have arisen earlier than the date Employee provides a written resignation to the Board (or the
board of directors of the Company’s successor, the Acquiring Entity or the parent corporation resulting from a Business Combination, if applicable) setting forth the specific reasons as to why he or she believes there has been a Constructive
Termination, and 
  

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 (ii) will be deemed to have arisen on the date on which Employee satisfies the
requirements reflected in Section 3(j)(i) above, if, within ninety (90) days following the provision of Employee’s written resignation, the Board (or the board of directors of the Company’s successor, the Acquiring Entity or the
parent corporation resulting from a Business Combination, if applicable) fails to: 
 (1) provide Employee, together with
his or her counsel, if any, with a reasonable opportunity to be heard before the Board (or the board of directors of the Company’s successor, the Acquiring Entity or the parent corporation resulting from a Business Combination, if applicable),
or 
 (2) reach a final determination, after consultations with outside counsel, regarding the existence of a Constructive
Termination and the assertions made by Employee. 
 (k) “Date of Termination” means the date that
occurs during the Change of Control Period that is either: 
 (i) specified in a Notice of Termination provided by Employee
to the Company, or 
 (ii) thirty (30) days following the date on which a Notice of Termination is delivered to Employee
by the Company. 
 (l) “Election Contest” means a solicitation of proxies of the kind described in
Rule 14a-12(c) under the Exchange Act. 
 (m) “Exchange Act” means the Securities Exchange Act of
1934, as amended. 
 (n) “Exempt Person” means any of the Company, any subsidiary of the Company, any
employee benefit plan of the Company or any subsidiary of the Company, and any Person organized, appointed or established by the Company for or pursuant to the terms of any such plan. 
 (o) “Exempt Rights” means any rights to purchase shares of Common Stock or other Voting Stock of the Company if
at the time of the issuance thereof such rights are not separable from such Common Stock or other Voting Stock (i.e., are not transferable otherwise than in connection with a transfer of the underlying Common Stock or other Voting Stock),
except upon the occurrence of a contingency, whether such rights exist as of the Effective Date or are thereafter issued by the Company as a dividend on shares of Common Stock or other Voting Stock or otherwise. 
 (p) “Exempt Transaction” means an increase in the percentage of the outstanding shares of Common Stock or the
percentage of the combined voting power of the outstanding Voting Stock of the Company beneficially owned by any Person solely as a result of a reduction in the number of shares of Common Stock then outstanding due to the repurchase of Common Stock
or Voting Stock by the Company, unless and until such time as: 
 (i) such Person or any Affiliate or Associate of such
Person shall purchase or otherwise become the Beneficial Owner of additional shares of Common Stock constituting 1% or more of the then outstanding shares of Common Stock or additional 

  

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Voting Stock representing 1% or more of the combined voting power of the then outstanding Voting Stock, or 
 (ii) any other Person (or Persons) who is (or collectively are) the Beneficial Owner of shares of Common Stock constituting 1% or more of
the then outstanding shares of Common Stock or Voting Stock representing 1% or more of the combined voting power of the then outstanding Voting Stock shall become an Affiliate or Associate of such Person. 
 (q) “Notice of Termination” means a written notice, which is delivered in accordance with Section 7(a)
below, that is either communicated by or on behalf of Employee to the Company or by or on behalf of the Company to Employee regarding the termination of the employment relationship between Employee and the Company. 
 (r) “Person” means any individual, firm, corporation, partnership, association, trust, unincorporated
organization or other entity. 
 (s) “Target Bonus Opportunity” means: 
 (i) subject to the limitation contained in Section 3(s)(ii) below, the maximum bonus available to Employee under any annual bonus
program offered by the Company during the year in which the Change of Control occurs, or if no such bonus is available to Employee in such year, the maximum bonus available to Employee under any annual bonus program offered by the Company during the
last year prior to the year in which the Change of Control occurs for which Employee had a bonus opportunity (subject to further increase as described in Section 3(s)(iii) below). 
 (ii) if the maximum bonus available under any such annual bonus program described under Section 3(s)(i) is indeterminable or otherwise
unlimited, the Target Bonus Opportunity for such program shall be limited to 100% of Employee’s Base Compensation (subject to further increase as described in Section 3(s)(iii) below). 
 (iii) in the event Employee is entitled to receive payments pursuant to a sales commission plan at the time the Change of Control occurs,
the “Target Bonus Opportunity” calculated pursuant to Section 3(s)(i) shall be increased by the maximum sales commission payable to Employee under any sales commission plan offered by the Company during the year in which the Change of
Control occurs, or if no such commission is available to Employee in such year, the maximum sales commission available to Employee under any sales commission plan offered by the Company during the last year prior to the year in which the Change of
Control occurs for which Employee had a commission opportunity; provided, however, that if the maximum sales commission available under any such sales commission plan is indeterminable or otherwise unlimited, the “Target Bonus Opportunity”
calculated pursuant to Section 3(s)(i) or 3(s)(ii) shall be increased by 75% of Employee’s Base Compensation, representing the contribution of the sales commission plan to the Target Business Opportunity. 
 (t) “Voting Stock” means, with respect to a corporation, all securities of such corporation of any class or
series that are entitled to vote generally in the election of directors of such corporation (excluding any class or series that would be entitled so to vote by reason of the occurrence of any contingency, so long as such contingency has not
occurred). 
 4. Termination of Employment In Connection with a Change of Control. 
 (a) Termination of Employment. Subject to Section 5 below, if eight (8) months following the first day of the Change of
Control Period, Employee’s employment with the Company terminates as the result of a Constructive Termination or is terminated by the Company for any reason other than Cause, then the Company shall provide to Employee as soon as practicable,
but not more than ten (10) business days following the Date of Termination, each of the following benefits: 
 (i)
Severance Benefits. The Company shall pay Employee a lump sum severance benefit which shall be equal to the sum of Employee’s: 
 (1) Base Compensation, and 
 (2) Target Bonus Opportunity. 
  

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 (ii) Equity Compensation. All unvested equity awards, including, but not limited
to, stock options, stock appreciation rights and restricted stock awards, held by Employee on the Date of Termination shall be deemed vested and exercisable on such Date of Termination as if Employee had been employed for an additional twelve
(12) months following the Date of Termination. Notwithstanding the foregoing, if any option, right or award would, as a result of such accelerated vesting and exercisability no longer qualify for exemption under Section 16 of the Exchange
Act, then the deemed acceleration of the vesting of such option, right or award shall apply but such option, right or award shall not become exercisable until the earliest date on which it could become exercisable and also qualify for exemption from
Section 16 of the Exchange Act, unless Employee instead timely elects to receive a single lump sum cash payment equal to the value of such option, right or award, in lieu of the equity interest that Employee would otherwise receive but for the
lack of an exemption under Section 16 of the Exchange Act. Any repurchase rights held by the Company on stock owned or options exercised by Employee shall be canceled on the Date of Termination. To the extent the acceleration of vesting and
exercisability described in this Section 4(a)(ii) does not otherwise violate the requirements of Section 409A of the Code, this Agreement shall serve as an amendment to all of Employee’s outstanding stock options, restricted stock
awards, repurchase rights, and stock appreciation rights as of the Date of Termination. 
 (iii) Continuation Medical
Coverage. For twelve (12) months following the Date of Termination, the payment of “COBRA” premiums for Employee and any dependents covered under the Company’s group health plan immediately prior to the Date of Termination;
provided, however, that the Company may cease making such payments when Employee (1) secures employment and (2) becomes eligible to participate in the health insurance plan of his or her new employer. 
 (iv) Accrued Bonus. The Company shall pay Employee the pro rata amount of the annual bonus accrued under the Company’s
executive officer bonus plan, which shall be determined by multiplying the maximum bonus available to Employee under the Company’s executive officer bonus plan, if any, by the ratio of the number of days in which Employee was employed with the
Company or a subsidiary during the applicable bonus period to the number of days in such bonus period. Notwithstanding the foregoing, if the maximum bonus available under the Company’s executive officer bonus plan is indeterminable or otherwise
unlimited, the amount of the accrued bonus payable under this Section 4(a)(iv) shall be limited to 100% of Employee’s Base Compensation. 
 (b) Delayed Termination of Employment. Subject to Section 5 below, if more than eight (8) months following the first day of the Change of Control Period but prior to the end of the Change of Control
Period, Employee’s employment with the Company terminates as the result of a Constructive Termination or is terminated by the Company for any reason other than Cause, then the Company shall provide to Employee as soon as practicable, but not
more than ten (10) business days following the Date of Termination, each of the following benefits: 
 (i) Severance
Benefits. The Company shall pay Employee a lump sum severance benefit which shall equal the sum of: 
 (1) fifty percent
(50%) of Employee’s Base Compensation, and 
 (2) fifty percent (50%) of Employee’s Target Bonus
Opportunity. 
  

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 (ii) Equity Compensation. All unvested equity awards, including, but not limited
to, stock options, stock appreciation rights and restricted stock awards held by Employee on the Date of Termination shall be deemed vested and exercisable on such Date of Termination as if Employee had been employed for an additional six
(6) months following the Date of Termination. Notwithstanding the foregoing, if any option, right or award would, as a result of such accelerated vesting and exercisability no longer qualify for exemption under Section 16 of the Exchange
Act, then the deemed acceleration of the vesting of such option, right or award shall apply but such option, right or award shall not become exercisable until the earliest date on which it could become exercisable and also qualify for exemption from
Section 16 of the Exchange Act, unless Employee instead timely elects to receive a single lump sum cash payment equal to the value of such option, right or award, in lieu of the equity interest that Employee would otherwise receive but for the
lack of an exemption under Section 16 of the Exchange Act. Any repurchase rights held by the Company on stock owned or options exercised by Employee shall be canceled on the Date of Termination. To the extent the acceleration of vesting and
exercisability described in this Section 4(b)(ii) does not otherwise violate the requirements of Section 409A of the Code, this Agreement shall serve as an amendment to all of Employee’s outstanding stock options, restricted stock
awards, repurchase rights, and stock appreciation rights as of the Date of Termination. 
 (iii) Continuation of Medical
Coverage. For six (6) months following the Date of Termination the payment of “COBRA” premiums for Employee and any dependents covered under the Company’s group health plan immediately prior to the Date of Termination;
provided, however, that the Company may cease making such payments when Employee (1) secures employment and (2) becomes eligible to participate in the health insurance plan of his or her new employer. 
 (iv) Accrued Bonus. The Company shall pay Employee the pro rata amount of the annual bonus accrued under the Company’s
executive officer bonus plan, which shall be determined by multiplying the maximum bonus available to Employee under the Company’s executive officer bonus plan, if any, by the ratio of the number of days in which Employee was employed with the
Company or a subsidiary during the applicable bonus period to the number of days in such bonus period. Notwithstanding the foregoing, if the maximum bonus available under the Company’s executive officer bonus plan is indeterminable or otherwise
unlimited, the amount of the accrued bonus payable under this Section 4(b)(iv) shall be limited to 100% of Employee’s Base Compensation. 
 (c) Termination of Employment for Cause. Notwithstanding anything in this Agreement to the contrary, at the election of the Company, Employee shall have no rights under this Agreement other than payment of
compensation and reimbursement of business expenses pursuant to this Agreement through the date of termination, if Employee is terminated for Cause. 
 5. Compliance with Section 409A of the Code. Notwithstanding anything herein to the contrary, if Employee is a “specified employee,” within the meaning of Section 409A(a)(2)(B)(i) of the
Code and a payment pursuant to this Agreement would otherwise be subject to and violate the requirements of Section 409A of the Code, such payment shall be delayed until the first day of the seventh month following Employee’s separation
from service with the Company. 
 6. Successors; Binding Agreement. The Company shall require any successor (whether direct or
indirect, by purchase, merger, consolidation or otherwise) to all or substantially all of the business and/or assets of the Company, to expressly assume and agree to perform this Agreement in the same 

  

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manner and to the same extent that the Company would be required to perform it if no such succession had taken place. Failure of the Company to obtain such
agreement prior to the effectiveness of any such succession shall be a breach of this Agreement and shall entitle Employee to compensation from the Company in the same amount and on the same terms as Employee would be entitled hereunder if the
Company had terminated Employee’s employment without Cause after a Change of Control, except that for purposes of implementing the foregoing, the date on which any such succession becomes effective shall be deemed the Date of Termination. As
used in this Agreement, “Company” shall mean the Company as defined herein and any successor to its business and/or assets as aforesaid which executes and delivers the agreement provided for in this Section or which otherwise becomes bound
by all the terms and provisions of this Agreement by operation of law. 
 7. Miscellaneous. 
 (a) Notices. Any notice, report or other communication required or permitted to be given hereunder shall be in writing to both
parties and shall be deemed given on the date of delivery, if delivered, or three days after mailing, if mailed first-class mail, postage prepaid, to the following addresses: 
 (i) If to Employee, at the address last provided by Employee to Company. 
 (ii) If to the Company, the following address, or to such other address as any party hereto may designate by notice given as herein
provided: 
 Microtune, Inc. 
 2201 10th Street 
 Plano, Texas 75074 
 Attention: Board of Directors, Compensation Committee 
 (b) Governing Law. This Agreement shall be governed by and construed and enforced in accordance with the laws of the State of
Texas as applied to agreements made and performed in Texas by residents of Texas. 
 (c) Amendments. This Agreement
shall not be changed or modified in whole or in part except by an instrument in writing signed by each party hereto. 
 (d)
Counterparts. This Agreement may be executed in several counterparts, each of which shall be an original, but all of which together shall constitute one and the same agreement. 
 (e) Effect of Headings. The section headings herein are for convenience only and shall not affect the construction or
interpretation of this Agreement. 
 (f) Conflicting Terms. In the event that words or terms of this Agreement
conflict with the words or terms of any other agreement or contract, including, without limitation, any stock plan, notice of grant, or restricted stock purchase agreement or option agreement entered into in connection with the employment of
Employee by the Company, the interpretation of this Agreement shall prevail. 
 IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of the
date first written above. 
  

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	MICROTUNE, INC.
		
	BY:	 	  
		
	Name:	 	
		
	Title:	 	
		
		 	
	
	EMPLOYEE
	
	  
		
	Name:	 	

  

 -11-EXHIBIT 4.1

                                  AMENDMENT TO
                          SECURITIES PURCHASE AGREEMENT

      This FIRST AMENDMENT TO SECURITIES PURCHASE AGREEMENT (this "Amendment")
dated as of April 27, 2007, is entered into among Aquamatrix, Inc., a Nevada
corporation f/k/a Nesco Industries, Inc. (the "Company"), and the investors
signatory hereto (the "Required Holders").

                                    WHEREAS:

      A. The Company and certain investors party thereto entered into a
Securities Purchase Agreement dated as of February 15, 2007 (the "Purchase
Agreement"), pursuant to which the Buyers purchased Notes in the aggregate
principal amount of approximately $4,457,000 and Warrants exercisable to
purchase approximately 480,000,000 shares of the Company's Common Stock.
Capitalized terms used but not defined in this Amendment shall have the meanings
set forth in the Purchase Agreement.

      B. Pursuant to the Purchase Agreement, the Company may issue and sell at
the Second Closing an additional aggregate principal amount of Notes equal to
$500,000 and additional Warrants to acquire up to approximately 53,897,000
shares of Common Stock.

      C. The Company and the Required Holders have agreed to amend the Purchase
Agreement, in accordance with the terms and conditions set forth herein, to
increase the amount of Notes and Warrants that may be sold in the Second
Closing, which increase will allow the Company to raise additional working
capital.

      NOW, THEREFORE, in consideration of the premises and the mutual covenants
contained herein and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereto agree as
follows:

                                   AGREEMENTS

      1. AMENDMENTS. The first sentence of Section 1(d) of the Purchase
Agreement is hereby deleted in its entirety and replaced with the following:

      "Subject to the terms and conditions of this Agreement, after the closing
and at any time on or prior to the date of the filing by the Company of the
initial registration statement required to be filed by it under the Registration
Rights Agreement, at a second closing (the "Second Closing"), the Company may
issue and sell to one or more individuals and entities approved by the Company's
Board of Directors (each an "Additional Buyer" and collectively, the "Additional
Buyers") an aggregate principal amount of Notes up to $1,000,000 at the Purchase
Price of $0.9300 for each $1.00 of principal amount of Notes and Warrants to
acquire up to One Hundred Seven Million, Seven Hundred Fifty Eight Thousand, Six
Hundred and Twenty (107,758,620) shares of Common Stock."

      2. COUNTERPARTS. This Amendment may be executed in any number of
counterparts and by different parties hereto in separate counterparts, each of
which when so executed shall constitute but one and the same instrument.

<PAGE>

      3. CONTINUATION. Except as amended hereby, the Purchase Agreement shall
continue in full force and effect. Any reference to the Purchase Agreement in
any of the documents, instruments or agreements executed and/or delivered in
connection with the transactions contemplated in the Purchase Agreement,
including the Transaction Documents shall be deemed to be references to the
Purchase Agreement as amended by this Amendment.

      4. REQUIRED HOLDERS. The Buyers signing this Amendment are holders of
Notes representing at least two thirds of the aggregate principal amount of the
Notes now outstanding.

                  [Remainder of Page Intentionally Left Blank]

                                       2
<PAGE>

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

                              COMPANY:

                               AQUAMATRIX, INC.

                               By: /s/ Matthew Harriton
                                   ---------------------------------------------
                                   Matthew Harriton, President

                              REQUIRED HOLDERS:

                               GOTTBETTER CAPITAL MASTER, LTD.

                               By: /s/ Adam S. Gottbetter
                                   ---------------------------------------------

                               Name: Adam S. Gottbetter
                                     -------------------------------------------

                               Title: Director
                                      ------------------------------------------
                               BRIDGEPOINTE MASTER FUND LTD.

                               By: /s/ Eric S. Swartz
                                   ---------------------------------------------

                               Name: Eric S. Swartz
                                     -------------------------------------------

                               Title: Director
                                      ------------------------------------------
                               J. ROEBLING FUND LP

                               By: /s/ David Vynerib
                                   ---------------------------------------------

                               Name: David Vynerib
                                     -------------------------------------------

                               Title: Managing Member
                                      ------------------------------------------

                               /s/ Lynn November
                               -------------------------------------------------
                               LYNN NOVEMBER

                               -------------------------------------------------
                               ALVIN BLOCK

                               Representing at least two thirds of the aggregate
                               outstanding principal of the Notes

                                       3

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