Document:

DEFERRAL PLAN FOR NON-EMPLOYEE DIRECTORS, RESTATED

 EXHIBIT 10.2 
 Teradyne, Inc. 
 Deferral Plan for Non-Employee Directors 
 (Restated on May 25, 2006) 
 WHEREAS, Teradyne,
Inc. (the “Company”) has established the Teradyne, Inc. Deferral Plan for Non-Employee Directors, effective January 1, 2001, and amended as of March 1, 2003, (the “Prior Plan”) which provides each Non-Employee Director
of the Company with an election to defer receipt of his or her Compensation from the Company; and 
 WHEREAS, the Company wishes to amend and restate such
Prior Plan to comply with Section 409A with respect to Compensation deferred after December 31, 2004 and expand the elections permitted under the Prior Plan. 
 NOW, THEREFORE, the Company hereby amends and restates the Prior Plan to read in its entirety as set forth below, as so amended and restated (the “Plan”). The Plan has been operated in compliance with
Section 409A since January 1, 2005 with respect to amounts subject to Section 409A. This amendment and restatement is intended to memorialize any changes in operation of the Plan as of that date as required by Section 409A. All
other changes are effective as otherwise provided herein. 
 1. Eligibility. 
 Each person who is a Non-Employee Director on December 1, 2004 is eligible to participate in the Plan for the Plan Year beginning January 1, 2005. All other persons who are Non-Employee Directors on
December 1 of any calendar year beginning in 2005 are eligible to participate in the Plan Year beginning the immediately following January 1. A Non-Employee Director who is eligible to participate may become a Participant by making a
deferral election with respect to Compensation payable in the following Plan Year under Section 2. Eligibility to participate in the Plan for any Non-Employee Director automatically ends upon the termination of the individual’s status as a
member of the Board of Directors. If the Non-Employee Director becomes an Employee then any deferral election for Compensation payable in the Plan Year in which such employment commences shall remain in effect for the balance of the Plan Year but no
further deferral elections may be made under the Plan. 
 2. Participation. 
 A. Each Non-Employee Director who makes an election to defer the receipt of Compensation for any Plan Year must complete a Deferral Election Form, no later than the December 1 prior to the first day of the Plan
Year with respect to which it is intended to be effective and deliver such completed form to the Company’s HR director. A Deferral Election Form may be modified or withdrawn by the Participant prior to December 1 preceding the Plan Year to
which it relates. The last completed form delivered to the HR director prior to or on 

  

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December 1 and not withdrawn as of that date, shall be considered the Deferral Election Form for the upcoming Plan Year and shall be irrevocable after
such December 1. 
 B. Each Non-Employee Director who does not timely complete and deliver a Deferral Election Form for any Plan Year shall not defer
receipt of any Compensation for such Plan Year and shall receive any and all Compensation to which he or she is entitled during such Plan Year in accordance with the Company’s customary practices. 
 3. Elections. 
 The Deferral Election
Form for each Plan Year Deferral shall include the following elections: 
 A. An election to defer all the cash Compensation or, effective for Plan Years
beginning January 1, 2007, all the Shares or both that are otherwise payable to the Non-Employee Director in the next Plan Year. 
 B. An election of
the manner in which the cash portion of the Plan Year Deferral shall be allocated under the terms of Section 4(B)(1), as amended from time to time. 
 C. An election as to whether the Plan Year Deferral is payable, on distribution, in a lump sum or, effective for Plan Years beginning January 1, 2007, such number of annual installments (up to a maximum of 15) as the Non-Employee
Director elects. 
 4. Accounting. 
 A. The Company or its
designee shall establish an account for each Participant for recordkeeping purposes only, including sufficient subaccounts to reflect all of Participant’s elections in Section 3 for all such Participant’s Plan Year Deferrals. The
account and subaccounts are intended only for the purposes of determining the amounts to be distributed to the Participant under the Plan. Grandfathered Accounts shall be subject only to the terms of the Plan which were in effect under the Prior
Plan, unless the Board elects at any time, to make them subject to the terms of the amended and restated Plan by a resolution to that effect. 
 B. The account and subaccount shall be adjusted as follows: 
 1. Cash deferred by any Participant will be allocated, in
accordance with the Participant’s election, to either (a) a notional account, or (b) a Deferred Stock Unit account (“DSU Account”). 
 a. Notional Account. Any amount which the Participant has allocated to a notional account, shall be credited with earnings, quarterly, at the rate in effect at the beginning of each Plan Year on 10 year Treasury Notes. 
 b. DSU Account. Any amount which the Participant has allocated to the DSU Account will be converted into a number of Deferred Stock Units on the date the cash
amounts deferred would have been paid to the Participant. The number of Deferred Stock Units credited to the Participant’s DSU Account with respect to each cash deferral shall be determined by dividing the cash amount deferred by the Fair
Market Value of the Common Stock on such date. If any cash dividends are subsequently declared with respect to the Common Stock then the cash that would 

  

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have been paid to the Participant as dividends if he or she had owned the number of whole shares of Common Stock represented by the Deferred Stock Units
shall, on the date such dividend is paid, be credited to the notional account of the Participant with respect to the Plan Year Deferral to which such Deferred Stock Units relate and shall thereafter be credited with earnings as provided in
Section 4(B)(1)(a). 
 2. Any Shares deferred by the Participant shall be separately accounted for under this Section 4(B)(2), in a subaccount of
the DSU Account. The number of Shares deferred shall also be converted into Deferred Stock Units, crediting the Participant with one Deferred Stock Unit for each Share deferred. Any Shares which are not vested at the time they are credited to the
DSU Account shall be continue to vest in accordance with the terms of the applicable agreement evidencing the award of such Shares. Any cash dividends payable with respect to the deferred Shares shall be treated as specified in
Section 4(B)(1)(b) and shall vest in accordance with the terms applicable to the Shares. 
 5. Voting and Dividend Rights in Deferred Stock
Units. 
 No Participant shall be entitled to any voting rights or to receive (except as provided in Section 4(B)) any dividends with respect to any
amounts or Shares treated as converted into Deferred Stock Units. 
 6. Distributions. 
 A. Generally. Distributions of each Plan Year Deferral shall be made as a lump sum, or in installments, in accordance with the terms of the Deferral Election Form the Participant has completed with respect the
Plan Year Deferral. A Participant shall become entitled to distributions following his or her separation from service as defined in Section 409A. Such distributions shall be made or commence within 90 days after the date of the
Participant’s separation from service, subject to the provisions of Section 6(F). If distributions are to be made in installments then each annual installment shall be made on or about the anniversary of the first installment distribution,
except that if the first installment is delayed in accordance with Section 6(F), then each successive annual installment will be made on the 90th day following the anniversary of the Participant’s separation from service. 
 B. Lump Sum. Any
distributions of a Plan Year Deferral to be made in a lump sum shall consist of (i) cash, which is an amount equal to the aggregate balance in the Participant’s notional account with respect to such Plan Year Deferral on the distribution
date, and (ii) that number of shares of Common Stock equal to the aggregate number of vested Deferred Stock Units with respect to such Plan Year Deferral in the Participant’s DSU Account on the distribution date. Any unvested Deferred
Stock Units shall be forfeited upon the Participant’s termination of service as a member of the Board of Directors. The cash and the shares of Common Stock may be distributed separately and at different times within the 90 day payment period.

 C. Installments. Each installment distribution of any Plan Year Deferral shall consist of (i) such amount of cash as is determined by dividing
the aggregate balance in the Participant’s notional account with respect to such Plan Year Deferral on the date of such installment 

  

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distribution by the total number of remaining installment distributions elected by the Participant in his or her Deferral Election Form with respect to such
Plan Year Deferral and (ii) that number of shares of Common Stock equal to the aggregate number of vested Deferred Stock Units in the Participant’s DSU Account with respect to such Plan Year Deferral on the date of such installment
distribution divided by the total number of remaining installment distributions elected by the Participant in his or her Deferral Election Form with respect to such Plan Year Deferral; provided that the number of shares of Common Stock distributed
may be rounded up or down by one share for ease of administration. 
 D. Form of Distribution. Amounts allocated to the notional account shall be
distributed in cash and amounts allocated to DSU Account shall be distributed in shares of Common Stock. Shares of Common Stock distributed under the Plan shall be issued from either the 2006 Equity and Cash Compensation Incentive Plan of the
Company (the “2006 Compensation Plan”) with respect to any Shares deferred subsequent to the adoption of the 2006 Compensation Plan by the Company’s shareholders, or the Company’s 1997 Employee Stock Option Plan with respect to
any Shares deferred prior to the adoption of the 2006 Compensation Plan by the Company’s shareholders. Distribution shall be made to the Participant, or if the Participant has died to the Participant’s Beneficiary. The Company may
distribute the value of any fractional Deferred Stock Unit in cash, based on the Fair Market Value on the date any shares of Common Stock are distributed. 
 E. Death. If the Participant dies prior to the total distribution of his or her account then the vested balance that is undistributed at the time of the Participant’s death, notwithstanding any prior election by the Participant
for installment distributions, shall be distributed to the Participant’s Beneficiary, in a lump sum, within 90 days following the Participant’s death. 
 F. Specified Employee. If at the time of separation from service the Participant is considered a specified employee as defined in Section 409A then, notwithstanding the foregoing, the distribution of his or her account shall not
be made, or commence, until six months and one day after such separation from service, but installments shall thereafter be distributed as if the initial installment had been made on the date of separation. 
 G. Special 2006 Election. Notwithstanding the foregoing terms of the Plan, in accordance with Section 409A the Participants who have previously made a proper
election to defer Compensation for 2005 or 2006 may designate, in such manner as the HR director determines, prior to December 31, 2006, whether such Plan Year Deferrals shall be distributed in a lump sum or in installments, and if in
installments, the number of such installments. 
 7. Amendments and Termination. 
 The Board of Directors may amend or terminate the Plan at any time, which may include, without limitation, action to prohibit any future deferral under the Plan; provided that no such action shall decrease the value
of the Participant’s account with respect to Deferral Elections made prior to such termination or amendment and such amendment or termination shall be consistent with Section 409A. 
  

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 8. Definitions. 
 As used in the Plan, the following terms shall have the following meanings: 
 A.
“Beneficiary” means the person designated or determined under Section 10(B). 
 B. “Board of
Directors” means the Board of Directors of the Company. 
 C. “Committee” means the Compensation Committee, or any successor to such
Compensation Committee, or any other Committee of the Board of Directors authorized by the Board of Directors to administer the Plan. 
 D. “Common Stock” means the common stock, $0.125 par value per share, of the Company. 
 E.
“Compensation” means any meetings fees, retainer or other amounts, whether in cash or, effective January 1, 2007, in Shares, payable to the Non-Employee Director for services as such Non-Employee Director. 
 F. “Deferral Election Form” means the document or other communication by which the HR director has Non-Employee Directors elect to defer receipt of
Compensation under the Plan. 
 G. “Deferred Stock Units”, which are expressed as a number in the DSU account of a Participant refer to the number
of shares of Common Stock that a Participant will become entitled to receive upon distribution of his or her Plan Year Deferrals in accordance with Section 6. 
 H. “Employee” means a common law employee of Teradyne, Inc. or any of its subsidiaries. 
 I. “Fair Market Value” of the Common Stock means, prior to June 1, 2006, the opening price for the date it is being determined, as officially quoted by
the New York Stock Exchange. Effective June 1, 2006, Fair Market Value shall have the meaning set forth in the 2006 Compensation Plan. 
 J.
“Grandfathered Accounts” mean those accounts for Participants which were established with respect to deferrals prior to December 31, 2004 which had not been distributed on such date. 
 K. “Non-Employee Director” means any person who is (i) a member of the Board of Directors but who is not an Employee of the Company, and (ii) is
eligible to receive awards under the 2006 Compensation Plan (or, prior to its approval by the Company’s shareholders, was eligible to receive awards under the Company’s 1997 Employee Stock Option Plan). 
 L. “Participant” means a Non-Employee Director who is eligible to defer receipt of Compensation under Section 1 and who has delivered a completed Deferral
Election Form in accordance with Section 2. 
 M. “Plan Year” means the calendar year. The first plan year of the Plan, as amended and
restated, begins January 1, 2005. 
  

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 N. “Plan Year Deferral” means cash or Shares deferred for any Plan Year in accordance with a Non-Employee
Director’s Deferral Election Form. 
 O. “Section 409A” means Section 409A of the Internal Revenue Code of 1986, as amended, and guidance
issued thereunder from time to time. 
 P. “Shares” means either Restricted Stock or Restricted Stock Units granted under the 2006 Compensation
Plan of the Company. 
 9. Dilutions and Other Adjustments. 
 In the event of any change in the outstanding shares of the Common Stock by reason of any stock dividend or split, recapitalization, merger, consolidation, spin-off, reorganization, combination or exchange of shares or other similar
corporate change, then if the Board of Directors or the Committee shall determine, in their sole discretion, that such change equitably requires an adjustment in the number or kind of shares then held in a Participant’s DSU account, then such
adjustments shall be made and such determination shall be conclusive and binding for all purposes. 
 10. Miscellaneous Provisions. 
 A. The Plan shall be administered by the Committee, which shall have the exclusive right and full discretion to interpret the Plan and make all determinations necessary
or advisable for its administration, including, without limitation, the authority to remedy ambiguities inconsistencies or omissions. All determinations by the Committee shall be final and binding on all persons. . 
 B. The Plan shall be an unfunded plan and a Participant’s rights and interest under the Plan may not be anticipated, mortgaged, assigned or otherwise encumbered,
transferred, or conveyed in advance of actual receipt and any attempt so to do shall be null and void. No part of the amounts payable shall, prior to actual payment be subject to seizure, attachment, garnishment or sequestration for the payment of
any debts or judgments of any kind. Any amounts deferred under the Plan shall remain the assets of the Company until paid in accordance with the provisions of the Plan, and in the event of the Company’s insolvency, will be subject to the claims
of the Company’s general creditors. In the event of the Company’s insolvency, a Participant shall be a general creditor of the Company with respect to his or her claim for benefits hereunder. 
 C. Each Participant shall have the right to designate, from time to time, a beneficiary, primary as well as contingent, to receive benefits payable in accordance with
the terms of the Plan. If the HR director has not received a completed beneficiary designation form during the Participant’s life then the Participant’s beneficiary under the Plan shall be his or her spouse, if any, and if none, his or her
estate. The delivery of a completed beneficiary designation form to the HR Director shall replace any prior form. 
 D. The Company may establish one or more
trusts pursuant to one or more trust agreements between the Company and a trustee named in such agreement, and as amended from time to time, on such terms as the Company shall determine (the “Trust”). The Company may transfer 

  

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assets to said Trust, as it determines in its sole discretion, for purposes of providing for the payment of its liabilities under the Plan. The provisions of
the Plan shall govern the rights of a Participant to receive distributions pursuant to the Plan. The provisions of the Trust shall govern the rights of the Company, the Participants and any creditors of the Company to the assets of the Trust. To the
extent any distributions are made from said Trust to any Participant for purposes of satisfying any obligation the Company may have under the Plan that distribution shall reduce the Company’s obligation hereunder. 
 E. The Plan is intended to comply with Section 409A with respect to those accounts which are subject to its terms and to such extent shall be administered in
accordance with its terms and that intention; provided that the Company shall have no obligation to any Participant or his or her Beneficiary if there is any failure to comply with Section 409A or with respect to any liability incurred by such
Participant or any other person as a result of such failure. 
 F. The Plan is established and shall be construed in
accordance with the laws of the Commonwealth of Massachusetts. 
 G. The provisions of the Plan shall bind and inure to the benefit of the Company and its
successors and assigns, or any Participant and his or her beneficiaries. 
 H. Distributions hereunder shall be subject to any applicable tax withholding and
the Company shall have the discretion to withhold cash for such purpose to the extent available to satisfy any withholding obligation with respect to any cash or Common Stock distributed under the Plan. 
 I. If any distribution is to be made to any person who is a minor or is declared incompetent or to a person the Board of Directors determines in good faith to be
incapable of handling the disposition of such person’s property (which the Board of Directors shall have no obligation to determine), the Board of Directors may direct payment to the guardian, legal representative or person having the care and
custody of such person and such payment shall discharge the Company’s obligations hereunder to the extent of such payment. 
 Approved by the Teradyne, Inc. Board of Directors May 24-25, 2006. 
  

 7SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN, RESTATED

 EXHIBIT 10.3 
 TERADYNE, INC. SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN  
 (Restated on May 25, 2006)

 Article I. Establishment and Purpose 
 1.1 Establishment. Teradyne, Inc. and certain Affiliates (the “Employer”) established a supplemental retirement plan known as the “TERADYNE, INC. SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN” (the
“Prior Plan”), effective as of January 1, 1993 and thereafter amended from time to time. This restatement (the “Plan”) has been operated in compliance with Section 409A of the Internal Revenue Code of 1986, as amended
and the guidance issued thereunder from time to time (“Section 409A”) since January 1, 2005, with respect to amounts subject to Section 409A. This amendment and restatement is intended to memorialize any changes in operation of
the Plan as of January 1, 2005 as required by Section 409A. All other changes are effective as otherwise provided herein. As such, the Plan is effective as of January 1, 2005 only with respect to benefits accrued or vested under its
terms on or after January 1, 2005, and is intended to comply with Section 409A. The terms of the Prior Plan, as amended from time to time, remain applicable to Grandfathered Benefits. The terms of this Plan shall apply to the payment of
any benefit distributed under its terms. 
 1.2 Applicability. The provisions of this Plan are applicable only to Eligible Employees
who were Members of the Prior Plan on December 31, 2004 and continue to be Eligible Employees of an Employer thereafter or who become Eligible Employees of the Plan after December 31, 2004. 

 1.3 Purpose. The purpose of this Plan is to provide Members with retirement benefits they are
unable to receive due to certain restrictions on the Retirement Plan imposed by Code Sections 401(a) (17) and 415 and to supplement the benefits payable to such Members from the Retirement Plan (in addition to those benefits accrued and vested
under the Prior Plan). The Plan is intended to be unfunded and maintained primarily for the purpose of providing deferred compensation for a select group of management or highly compensated employees as described in the Employee Retirement Income
Security Act of 1974, as amended. 
 1.4 Invalidity of Particular Provision. The invalidity of any particular provision of this Plan
shall not affect the other provisions, and the Plan shall be construed in all respects as if such invalid provision were omitted. 
  

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 Article II. Definitions 
 2.1 Definitions. Whenever used herein, the following terms shall have the respective meanings set forth below. 
  

	 	(a)	Accrued Benefit has the same meaning as such term has in the Retirement Plan after December 31, 2004, but calculated under the terms of the Plan. If Retirement Benefits
commence prior to Social Security Retirement Age, the factors in Appendix A, Column B of the Retirement Plan will be used for this calculation. 

  

	 	(b)	Actuarial Equivalent has the same meaning as such term has in the Retirement Plan. 

  

	 	(c)	Affiliate shall mean— 

  

	 	(1)	any corporation other than the Company which together with the Company is a member of a “controlled group” of corporations (as defined in Code Section 414 (b));

  

	 	(2)	any organization which together with the Company is under “common control” (as defined in Code Section 414 (c)); 

  

	 	(3)	any organization which together with the Company is an “affiliated service group” (as defined in Code Section 414 (m)); or 

  

	 	(4)	any other entity required to be aggregated with the Company pursuant to regulations under Code Section 414 (o). 

  

	 	(d)	Annual Compensation has the same meaning such term has under the Retirement Plan without the limitations of Section 401(a)(17) of the Code. 

  

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	 	(e)	Beneficiary shall mean the person or persons last designated by a Member, in such manner as the Plan Administrator deems appropriate, to receive any benefits for which a Beneficiary
is eligible under this Plan, or if there is no living Beneficiary the Member’s Spouse, and if no living Spouse, then the Member’s estate. 

  

	 	(f)	Code shall mean the Internal Revenue Code of 1986, as the same shall from time to time be amended, and the guidance issued thereunder. 

  

	 	(g)	Committee shall mean any Committee of the Board of Directors of the Company designated by the Board to have any responsibility with respect to the Plan.

  

	 	(h)	Company shall mean Teradyne, Inc. 

  

	 	(i)	Compensation: 

  

	 	(1)	for those Members who became Members under the Plan before 1/1/2003, shall mean for each Plan Year, 

  

	 	(A)	an amount equal to the Annual Compensation minus 

  

	 	(B)	actual payments to the Member under the Variable Compensation Plan for such Plan Year, plus 

  

	 	(C)	target variable portions of the Member’s Model Compensation for the Plan Year as of the most recent effective date as of when the Model Compensation is fixed for the Member,
for the number of months for which such Model Compensation is payable to the Member for such Plan Year. 

  

	 	(2)	 for Members who became Members after January 1, 2003 (or hereafter become Members), shall mean for each Plan Year, an amount equal to 

  

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Annual Compensation, but only to the extent it exceeds the limit under Section 401(a)(17) of the Code during such Plan Year. 
  

	 	(j)	Covered Compensation shall mean the Breakpoint for each Plan Year after 1988 as defined in Section 2.1(g)(3) of the Retirement Plan. 

  

	 	(k)	Credited Service has the same meaning as such term has in the Retirement Plan. 

  

	 	(l)	Disability has the same meaning as such term has in the Retirement Plan. 

  

	 	(m)	Earliest Retirement Date has the same meaning as such term has in the Retirement Plan. 

  

	 	(n)	Eligible Employee shall mean an Employee who is an “Eligible Employee” as defined in the Retirement Plan, and who had elected to continue to accrue benefits under
the Retirement Plan after October 29, 1999, and either was a Member of the Prior Plan on December 31, 2004 (and who had elected to continue to accrue benefits under the Retirement Plan after October 29, 1999) or, thereafter is eligible for
Model Compensation in excess of the Section 401(a)(17) limit in any Plan Year in which he was employed by Employer, and has been notified that he or she is an Eligible Employee under this Plan by the Plan Administrator.

 No Employee shall be considered an Eligible Employee after October 29, 1999 if such Employee experiences a Break in
Service under the Retirement Plan and any Retirement Benefits shall be based on the terms of this Plan (and the Prior Plan) prior to such Break in Service and such Member’s service and compensation at that time. 
  

	 	(o)	 Employee shall mean an individual who is employed by the Employer as a regular employee or an expatriate employee on the U.S. payroll and who is regularly

  

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scheduled for 20 or more hours of service per week taking into account Hours of Service as defined in the Retirement Plan. 
  

	 	(p)	Employer shall mean the Company and any Affiliate that has been included in the Prior Plan (or is hereafter included in this Plan) with respect to some or all of its Eligible
Employees. 

  

	 	(q)	Final Average Compensation shall mean the sum of the Employee’s Monthly Compensation for the 5 Plan Years during which the Employee’s aggregate Monthly Compensation
was the highest, divided by five; provided, however, that if the Employee’s employment is terminated on any day other than the last business day of the Plan Year, then, if higher, Final Average Compensation shall mean the sum of the
Member’s Monthly Compensation during the 60 consecutive months ending with the month prior to the Member’s termination date, if higher; and provided further that if the Employee has fewer than sixty consecutive months of employment with
the Employer or his or her termination date, Final Average Compensation shall mean the Employee’s average Monthly Compensation during the period of his or her employment with the Employer. 

  

	 	(r)	Grandfathered Benefits shall mean the accrued and vested benefits under the terms of the Prior Plan as of December 31, 2004 as defined for purposes of Section 409A
and subject to the terms of the Prior Plan as in effect on October 3, 2004 and as amended thereafter consistent with Section 409A. 

  

	 	(s)	Member shall mean an Employee who has satisfied the requirements of Article III. 

  

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	 	(t)	Model Compensation is Employee’s base salary plus target variable compensation payout under the terms of the Variable Compensation Plan. 

  

	 	(u)	Monthly Compensation shall mean Compensation divided by 12. 

  

	 	(v)	Normal Retirement Date is the date the Member reaches Social Security Retirement Age. 

  

	 	(w)	Plan Administrator shall mean the Retirement Plan Committee, as described in the Retirement Plan, or any other person designated as Plan Administrator by the Board of
Directors or a Committee. 

  

	 	(x)	Plan Year shall mean the calendar year. 

  

	 	(y)	Retirement Benefits shall mean the benefits provided under Section 4.1 of this Plan. 

  

	 	(z)	Retirement Plan shall mean the Retirement Plan for Employees of Teradyne, Inc., as amended from time to time. 

  

	 	(aa)	Separation from Service shall mean a Member’s termination of employment with an Employer within the meaning of Section 409A. 

  

	 	(bb)	Social Security Retirement Age has the same meaning as such term has under the Retirement Plan. 

  

	 	(cc)	Spouse, Surviving Spouse and the term “married” shall be interpreted under the law of the jurisdiction in which the Member was married.

  

	 	(dd)	Variable Compensation Plan shall mean the Teradyne, Inc. Variable Compensation Plan as modified and incorporated into the Teradyne, Inc. 2006 Equity and Cash Compensation
Incentive Plan, each as amended from time to time. 

  

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 2.2 Gender and Number. Except where otherwise indicated by the context, any masculine terminology
used herein shall also include the feminine gender, the definition of any term herein in the singular shall also include the plural, and the definition of any term herein in the plural shall also include the singular. 
  

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 Article III. Eligibility and Participation 
 Each Eligible Employee who was a Member prior to January 1, 2005 shall continue to be a Member under this Plan as of that date. However, amounts
accrued and vested for such Member within the meaning of Section 409A prior to January 1, 2005 shall be subject only to the terms of the Prior Plan and no additional benefits shall be accrued or vested under the Prior Plan after
December 31, 2004. Amounts accrued or vested on or after January 1, 2005 within the meaning of Section 409A shall be subject to the terms of this restated Plan and Section 409A. Each other Employee who becomes an Eligible
Employee on or after January 1, 2005 shall become a Member on the day after becoming an Eligible Employee. 
  

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 Article IV. Retirement Benefits 
  

	 	4.1	Retirement Benefits. 

  

	 	(a)	Entitlement to Retirement Benefits. Except as provided in Section 4.7, a Member who Separates from Service after December 31, 2004 and who is vested under the terms
of Article V is entitled to the receipt of Retirement Benefits determined in Section 4.2, payable in the manner provided in the Member’s election under the Plan with respect to all amounts accrued or vested after December 31, 2004.

  

	 	(b)	Amount of Retirement Benefits. A Member who, 

  

	 	I.	first became a Member prior to January 1, 2003, shall be entitled to a monthly Retirement Benefit equal to one-twelfth of the result of (1) minus (2) minus
(3) where— 

  

	 	(1)	is an amount payable in a straight life annuity form equal to the product of (i) the Member’s Credited Service and (ii) the sum of (A) and (B) as follows:

  

	 	(A)	0.75 percent of the Member’s Final Average Compensation up to the Covered Compensation, 

  

	 	(B)	1.50 percent of the Member’s Final Average Compensation above the Covered Compensation, 

  

	 	(2)	is the Member’s Accrued Benefit payable in a straight life annuity form from the Retirement Plan; and 

  

	 	(3)	is the Member’s Accrued Benefit payable in a straight life annuity form under the Prior Plan with respect to amounts accrued and vested within the meaning of Section 409A
prior to January 1, 2005; or 

  

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	 	II.	first became a Member on or after January 1, 2003, shall be entitled to a monthly Retirement Benefit equal to one-twelfth of (1) minus (2) when

 (1) is a straight life annuity form equal to the total of 1.5% of the Member’s Compensation for each Plan Year
beginning January 1, 2003 in which the Member participated in the Plan; provided that 1% shall be substituted for 1.5% for any Plan Year (or fraction thereof) in which the Member had completed more than 35 years of Credited Service; and

 (2) is the Member’s Accrued Benefit payable in a straight life annuity form under the Prior Plan with respect to amounts accrued and
vested within the meaning of Section 409A prior to January 1, 2005. 
  

	 	4.2	Commencement of Benefits. 

  

	 	(a)	Retirement Benefits under this Article IV shall commence as of the month coincident with or next following the later of: 

  

	 	(1)	the Member’s Separation from Service, or 

  

	 	(2)	the date on which such Member attains his or her Social Security Retirement Age; 

 provided that the Board of Directors or a Committee, in its sole discretion, may instruct the Plan Administrator to commence or advance such payments on an earlier date to satisfy an unforeseeable emergency as permitted and to the extent
limited within the meaning of Section 409A(a)(2)(B)(ii) under Section 409A of the Code. 
  

	 	(b)	 Notwithstanding the provisions of the preceding paragraph, but acting in accordance with Section 409A(a)(2)(B) of the Code, distributions upon Separation from
Service of any specified employee, as defined in Section 409A, may not commence earlier than the date 6 months and one day after the date of such separation (or the date of death, if earlier). Any distributions which would have been made prior
to the actual commencement of benefits but for the delay 

  

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required by Section 409A(a)(2)(B) of the Code under Section 409A shall be accumulated and paid in a lump sum once benefits may commence, without
interest, to the Member or his or her Beneficiary as the case may be. 
 4.3 Preretirement Death Benefit. Benefits accrued or vested
after December 31, 2004 shall be provided under this Section if the Member is married on the date of such Member’s death and if such Member dies before Retirement Benefits commence under the Plan, and in accordance with Section 4.3(a)
or (b). 
  

	 	(a)	On or After Vesting. 

  

	 	(1)	Timing. If a Member dies after becoming vested under Article V and (a) such Member is married on the date of death, and (b) the Member has not yet begun to receive
benefits, then in lieu of any other benefit herein, the Surviving Spouse shall be entitled to receive as a death benefit a monthly payment beginning during the month following the Member’s death and ending with the month in which the Spouse
dies. 

  

	 	(2)	Amount. The monthly benefit under this subsection (a) shall equal 50 percent of the Retirement Benefit which would have been payable under Section 4.1(b) to the
Member if the Member had retired the day before death and benefit payments had commenced on that date in the form of a joint and 50 percent survivor annuity with the Surviving Spouse as the contingent annuitant. 

  

	 	(b)	Prior to Earliest Retirement Date. 

  

	 	(1)	 Timing. If a Member dies while employed by an Employer prior to a Member’s Earliest Retirement Date under the Retirement Plan and such 

  

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Member is married on the date of death, then the Surviving Spouse shall be entitled to receive as a death benefit a monthly payment beginning during the
month following the earlier of— 
  

	 	(A)	the date that would have been the Member’s Earliest Retirement Date under the Retirement Plan, or 

  

	 	(B)	the date the Member would have attained age 65, 

 and ending with the month in which the death of the Spouse occurs. 
  

	 	(2)	Amount. The monthly benefit under this subsection (b) shall equal the amount determined as if the Member: 

  

	 	(A)	Separated from Service with the Employer on the day before the date of death, 

  

	 	(B)	began receiving Retirement Benefits in the form of a joint and 50 percent survivor annuity on the date of the Member’s Separation from Service, 

  

	 	(C)	died the day thereafter. 

 4.4 Form of Payment.
Retirement Benefits under the Plan shall be paid as provided in this Section 4.4. 
  

	 	(a)	Life annuity. The annual amount of Retirement Benefits payable to any Member who does not have a Spouse on the date his or her Retirement Benefits commence or who is married
but has made a valid election to receive his or her Retirement Benefits in the form specified in this Section 4.4(a) rather than in the form specified in Section 4.4(b) shall be payable for the life of the Member only, unless another
optional form of payment has been elected pursuant to Section 4.4(c) below. 

  

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	 	(b)	Automatic Joint and Survivor Annuity for Married Members. Except as otherwise provided herein, Retirement Benefits payable hereunder to any Member who is married on the date
his or her Retirement Benefits are to commence will be automatically paid to the Member and his or her Spouse in the form of a joint and survivor annuity. The joint and survivor annuity shall provide for retirement income to the Member and the
Member’s Spouse in the same amount and the same manner as if the Member had elected Option 2 in Section 4.4(c) below, providing for 50 percent of the Member’s reduced Retirement Benefit to be continued to his or her Spouse as the
contingent annuitant. 

  

	 	(c)	Optional Forms. Notwithstanding the provisions of Sections 4.4(a) and (b), the Member may elect prior to the date with respect to which payments shall be made and only to the
extent permitted by Section 409A the form in which his or her Retirement Benefits are to be made either by electing a life annuity under Section 4.4(a) or from among the choices in this Section 4.4(c). 

  

	 	(1)	 Option 1 – Period Certain and Life Option. A reduced rate of Retirement Benefits payable to the member during his or her retired life, but guaranteed
for a period of 5, 10, or 20 years, at the election of the Member, from the date Retirement Benefits commence. If the Member dies before expiration of the period certain, payments shall be continued to the Member’s Beneficiary for the remainder
of the period certain. If the Member’s Beneficiary dies while further payments are due, such further payments shall be made to any one or more persons designated by the Member as alternate Beneficiaries which designation can be made at any

  

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time during the Member’s life. In the absence of the designation of an alternate Beneficiary, the value of such payments shall be paid to the
Member’s Surviving Spouse, and if none, to the Member’s estate. If the Member dies after this Option 1 has gone into effect, but has failed to designate a Beneficiary, the payments shall be made to the Member’s Surviving Spouse, or if
none, to the Member’s estate. 
  

	 	(2)	Option 2 – Contingent Annuitant Option. A reduced rate of Retirement Benefits payable during the lifetime of the Member with a percentage, either 50 percent, 75 percent,
or 100 percent, designated by the Member, of said Retirement Benefits payable after the Member’s death to his or her designated contingent annuitant for such contingent annuitant’s lifetime. 

  

	 	(3)	If either the Beneficiary under Option 1 or the contingent annuitant under Option 2 dies before the retirement commencement date, the election shall be deemed null and void, but the
Member shall be entitled to make another election or designate a Beneficiary under Option 1 and a new contingent annuitant under Option 2 to the extent consistent with Section 409A, and if not, the benefit will be paid as an annuity under
Section 4.4(a) or Section 4.4(b) as applicable. 

  

	 	(4)	If the contingent annuitant under Option 2 dies after the option has become effective, the option shall continue in effect, the annual amount of Retirement Benefits payable to the
Member at the time of the contingent annuitant’s death shall remain unchanged, and no further Retirement Benefits shall be payable upon the subsequent death of the Member. If the 

  

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Beneficiary under Option 1 dies at any time prior to the Member’s death, the option shall remain effective and the Member may designate a new
Beneficiary. In the event the Beneficiary under Option 1 dies after benefit payments have begun to the Member and the Member designates a new Beneficiary, the period of time over which the benefits are to be paid shall not be changed. 
  

	 	(5)	Elections shall be made in accordance with a procedure established by the Plan Administrator from time to time. Each form of payment hereunder shall be the Actuarial Equivalent of
the Retirement Benefit calculated under Section 4.1(b) and payable under the Plan. 

 4.5 Payment of Small Amounts.
Notwithstanding the foregoing, if the value of the Retirement Benefits payable under Section 4.1 or 4.3 is $5,000 or less when calculated as if payable in a lump sum, which is the Actuarial Equivalent of the Retirement Benefit, at the time of
Separation from Service or death, as applicable, under the terms of the Plan, then on the Member’s Separation from Service or death, the Plan Administrator shall direct that such lump sum be paid to the Member (or the Member’s Beneficiary)
within 90 days following such Separation from Service or death. Should a Member receive a benefit under this Section and be reemployed by an Employer, any Retirement Benefits payable under this Plan after his or her reemployment shall be reduced by
the Actuarial Equivalent of the benefits such Member received under this Section. 
 4.6 Separation from Service Prior to Vesting.
Notwithstanding any provision herein to the contrary, a Member who Separates from Service with the Employer prior to vesting under Section 5.1 shall not be entitled to any Retirement Benefits (or death benefits) under the Plan. 
  

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 4.7 Non-Competition. The Member shall forfeit any Retirement Benefits that would otherwise be
payable under this Plan if he or she, for any reason whatsoever, directly or indirectly, accepts employment or renders services, with or without compensation, by or for any person, firm, or organization engaged in the sale, servicing, developing,
manufacturing, or merchandising of products or services in competition with any product or service of the Company— 
  

	 	(a)	in the event of voluntary termination of employment for a period of three years immediately following such termination, or 

  

	 	(b)	in the event of involuntary termination of employment, for a period of one year immediately following such termination. 

 4.8 Delay of Payments. Notwithstanding the foregoing, any payment due under this Article IV, may be delayed in a manner that will not constitute a
subsequent deferral under Section 409A and in such manner permitted by and subject to such conditions and limitations as imposed under Section 409A, including, without limitation, (a) if the Employer reasonably anticipates that its
federal income tax deduction with respect to such payment will be limited or eliminated by application of Section 162(m) of the Code; provided that any payment so delayed will be paid at the earliest date at which the Employer reasonably
anticipates that the federal income tax deduction will not be limited or eliminated by application of Section 162(m) of the Code, or the calendar year in which a Member has a Separator from Service, or (b) an Employer reasonably
anticipates that the making of such payments will violate a term of a loan agreement to which the Employer is a party or other similar contract to which the Employer is a party, and such violation will cause material harm to the Employer; provided
that such payments shall be made at the earliest date at which the Employer reasonably anticipates that the making of the 

  

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payment will not cause such violation or such violation will not cause material harm to the Employer; provided that the facts and circumstances indicate that
the Employer entered into such loan agreement (including such covenant) or other similar contract for legitimate business reasons and not to avoid the restrictions on deferral elections and subsequent deferral elections of Section 409A, and
(c) if the Employer reasonably anticipates the payments will violate federal securities law or other applicable law; provided that the payments delayed will be made at the earliest date at which the Employer reasonably anticipates that the
making of such payments will not cause a violation. 
  

 - 18 - 

 Article V. Rights of Members 
 5.1 Vesting. A Member shall have a nonforfeitable right to Retirement Benefits payable pursuant to Article IV upon the earliest to occur of the
following: 
  

	 	(a)	the Member’s Normal Retirement Date under the Retirement Plan, 

  

	 	(b)	the Member’s Earliest Retirement Date under the Retirement Plan, 

  

	 	(c)	the date the Member retires on account of Disability under the Retirement Plan, and 

  

	 	(d)	the Member’s death. 

 If the Member Separates from Service prior to
having a nonforfeitable right under this Section 5.1 no Retirement Benefits will be paid hereunder. 
 5.2 Unsecured Interest. No
Member or Surviving Spouse shall have any interest whatsoever in any specific asset of the Employer. To the extent any person acquires a right to receive payments under this Plan, such right shall be no greater than the right of any unsecured
general creditor of the Employer. 
 5.3 Employment. Nothing in this Plan shall interfere with or limit in any way the right of the
Employer to terminate any Member’s employment at any time, nor confer upon any Member any right to continue in the employ of the Employer. 
 5.4 Member’s Rights. Nothing contained in this Plan and no action taken pursuant to the provisions of this Plan shall create or be construed to create a fiduciary relationship between the Employer or the Plan Administrator and
any Member or Surviving Spouse or any other person. Members and Surviving Spouses have the status of general unsecured creditors of the Employer. The Plan constitutes a mere promise by the Employer to make benefit payments in the future. Neither
Members nor Surviving Spouses (nor any other person) shall have any claim 

  

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to any specific assets of the Employer, including any assets transferred to any trust described in Section 6.5 and all such assets shall remain owned by
the Employer at all times. 
  

 - 20 - 

 Article VI. Administration and Financing 
 6.1 Administration. The Plan will be administered by the Plan Administrator, which shall have the exclusive right and full discretion subject to
the provisions of 409A— 
  

	 	(a)	to interpret the Plan, 

  

	 	(b)	to decide any and all matters arising hereunder (including the right to remedy possible ambiguities, inconsistencies, or admissions), 

  

	 	(c)	to require information and documents from any person who may be helpful to the fulfillment of the Plan Administrator’s responsibilities. 

  

	 	(d)	to make, amend, and rescind such rules as it deems necessary for the proper administration of the Plan, including the adoption of written administrative procedures which may modify
or eliminate provisions of this Plan in order to conform them more closely to Section 409A. 

  

	 	(e)	to make all other determinations necessary or advisable for the administration of the Plan, including determinations regarding eligibility for benefits under the Plan and the amount
of benefits payable under the Plan. 

 6.2 Finality of Determination. The determination of the Plan Administrator as to
any disputed questions arising under this Plan, including questions of fact and construction and interpretation of such facts and all applicable documents, shall be final, binding, and conclusive upon all persons. 
 6.3 Indemnification. To the extent permitted by law, and without limiting the applicability of any other indemnification provided by the Employer,
the Plan Administrator, and all agents and representatives of the Plan Administrator, shall be indemnified by the Employer against any claims, and the expenses of defending against such claims, resulting from any action 

  

 - 21 - 

 
or conduct (or failure to act) relating to the administration of the Plan except claims arising from a finding of gross negligence, willful neglect, or
willful misconduct. 
 6.4 Expenses. The cost of payment from this Plan and the expenses of administering the Plan shall be borne by
the Employer. 
 6.5 Financing. The Employer may pay benefits under this Plan from its general assets or it may establish a trust and
transfer to that trust such assets as it determines to assist the Employer in payment of such benefits under this Plan. To the extent distributions from any trust are not sufficient to make any benefit payment, the balance of such payment shall be
made by the Employer. 
  

 - 22 - 

 Article VII. Claims Procedure 
 7.1 Claims Procedure. 
  

	 	(a)	Submission of Claims. Claims for benefits under the Plan shall be submitted in writing to the Plan Administrator or to an individual designated by the Plan Administrator for
this purpose. 

  

	 	(b)	Denial of Claim. If any claim for benefits is wholly or partially denied, the claimant shall be given written notice within 90 days following the date on which the claim is
filed, which notice shall set forth— 

  

	 	(1)	the specific reason or reasons for the denial, 

  

	 	(2)	specific references to pertinent Plan provisions on which the denial is based, 

  

	 	(3)	a description of any additional material or information necessary for the claimant to perfect the claim and an explanation of why such material or information is necessary, and

  

	 	(4)	an explanation of the Plan’s claim review procedure. 

 If special circumstances require an extension of time for processing the claim, written notice of an extension shall be furnished to the claimant prior to the end of the initial period of 90 days following the date on which the claim is
filed. Such an extension may not exceed a period of 90 days beyond the end of said initial period. 
 If the claim has not been granted, and
if written notice of the denial of the claim is not furnished within 90 days following the date on which the claim is filed, the 
  

 - 23 - 

 
claim shall be deemed denied for the purpose of proceeding to the claim review procedure. 
  

	 	(c)	Claim Review Procedure. The claimant or his or her authorized representative shall have 60 days after receipt of written notification of denial of a claim to request a review
of the denial by making written request to the Plan Administrator, and may review pertinent documents and submit issues and comments in writing within such 60-day period. 

 Not later than 60 days after receipt of the request for review, the Plan Administrator shall render and furnish to the claimant a written decision, which
shall include specific reasons for the decision, and shall make specific references to pertinent Prior Plan provisions on which it is based. If special circumstances require an extension of time for processing, the decision shall be rendered as soon
as possible, but not later than 120 days after receipt of the request for review, provided that written notice and explanation of the delay are given to the claimant prior to commencement of the extension. Such decision by the Prior Plan
Administrator shall not be subject to further review. If a decision on review is not furnished to a claimant within the specified time period, the claim shall be deemed to have been denied on review. 
  

 - 24 - 

 Article VIII. Amendment and Termination 
 8.1 Amendment and Termination. The Employer expects the Plan to be permanent but since future conditions affecting the Employer cannot be
anticipated or foreseen, the Employer necessarily must and does hereby reserve the right to amend, modify, or terminate the Plan (in all circumstances as permitted by Section 409A) at any time, by action of the Board of Directors or a
Committee. Any such amendment, modification, or termination shall not reduce or diminish the value of the benefit to be paid hereunder prior to the date of such amendment. Distribution of all benefits on termination of the Plan shall be made in such
manner permitted by and subject to such conditions and limitations as imposed by Section 409A including, without limitation, (a) a termination within 12 months of a corporate dissolution taxed under Section 331 of the Code or with the
approval of a bankruptcy court pursuant to 11 U.S.C. §503(b)(1)(A), (b) a termination within 30 days preceding or 12 months following a change in control event as defined under Section 409A, and (c) a termination of the Plan if
all similar arrangements sponsored by the Employer that would be aggregated with the Plan under Section 409A are terminated, subject in each event to compliance with all provisions of Section 409A with respect to such events of
termination. Notice of such amendment or termination shall be given in writing to each Member and Beneficiary of a deceased Member having an interest in the Plan. The Employer may, at any time, provide for the cessation of the accrual of benefits
under the Plan for some or all of the Members. 
 8.2 409A. It is the intention of the Company and any other Employer that the terms
of this Plan shall be consistent with the provisions of Section 409A including rights that are grandfathered and the administration and interpretation of this Plan shall be consistent with such intention; provided that the Company, any other
Employer and the Plan Administrator or its 
  

 - 25 - 

 
agents shall have no obligation to any Member or any other person if there is any failure to comply with said Section 409A or with respect to any
liability, including, without limitation, any liability for taxes, additional taxes or interest incurred by the Member or any other person as a result of such failure. 
  

 - 26 - 

 Article IX. Miscellaneous 
 9.1 Nontransferability. In no event shall the Employer make any payment under this Plan to any assignee or creditor of a Member, a Surviving
Spouse or a Beneficiary except to the extent consistent with any court order to make payments to someone other than a Member in connection with a domestic relations order as defined in Section 414(p)(1)(B). Prior to the time of payment
hereunder, a Member, a Surviving Spouse or Beneficiary shall have no rights by way of anticipation or alienation nor shall such rights be assigned or transferred by operation of law. 
 9.2 Withholding. The Employer shall have the right to deduct from all payments made from the Plan any applicable withholding required by law to be
withheld with respect to such payments. 
 9.3 Permitted Distributions. In addition to the provisions of Section 9.1,
distribution may be made in such manner permitted by and subject to such conditions and limitations as imposed by Section 409A, including, without limitation, (i) to comply with a certificate of divestiture in accordance with
Section 1043(b)(2) of the Code, (ii) to pay employment taxes under Sections 3101, 3121(a) and 3121(v)(2) of the Code on amounts accrued under this Plan, (iii) to pay income taxes under Section 3401 of the Code or corresponding
state, local or foreign withholding rules as a result of the payments under (ii), (iv) to pay additional income tax on wages attributable to the pyramiding Section 3401 wages and taxes, and (v) to pay any amount due as a result of
some being under this Plan being included in income as a result of a failure to comply with Section 409A. 
 9.4 Applicable Law.
This Plan shall be governed and construed in accordance with the Employee Retirement Income Security Act of 1974, as amended, and to the extent not pre-exempted, the laws of the Commonwealth of Massachusetts. 
  

 - 27 - 

 Approved by the Teradyne, Inc. Board of Directors May 24-25, 2006. 
 * * * * * * * * * * 
  

 - 28 -

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