EX-10.2



 Exhibit 10.2 

COHU, INC. 
 1997
EMPLOYEE STOCK PURCHASE PLAN 
 (as amended and restated) 

1. Establishment and Purpose. 

1.1 Establishment. The Cohu, Inc. 1997 Employee Stock Purchase Plan (the “Plan”) was originally established
effective as of February 28, 1997 and was subsequently amended and restated as of March 17, 2006, March 25, 2011, and April 6, 2015. 

1.2 Purpose. The purpose of the Plan to provide Eligible Employees of the Participating Company Group with an opportunity to
acquire a proprietary interest in the Company through the purchase of Stock. The Company intends that the Plan shall qualify as an “employee stock purchase plan” under Sections 421 and 423 of the Code (including any amendments or
replacements of such section), and the Plan shall be so construed. 
 2. Definitions and Construction. 

2.1 Definitions. Any term not expressly defined in the Plan but defined for purposes of Section 423 of the Code shall have
the same definition herein. Whenever used herein, the following terms shall have their respective meanings set forth below: 
 (a)
“Board” means the Board of Directors of the Company. If one or more Committees have been appointed by the Board to administer the Plan, “Board” also means such Committee(s). In addition, the Company’s Vice President
of Human Resources, or any officer or officers of the Company, to the extent appointed by the Board or the Committee, shall have all of the powers of the Board granted herein, except the power to (i) amend Sections 4 (Shares Subject to
Plan), 5 (Eligibility), and 9 (Purchase Price) or otherwise amend the Plan in a manner that requires stockholder approval under applicable law or the rules of any securities exchange or market system on which the Stock is then listed or quoted,
(ii) terminate the Plan, or (iii) act beyond specific limits set by the Board or the Committee. Any officer appointed by the Board or the Committee to administer the Plan also is referred to herein as the “Board.” 

(b) “Code” means the Internal Revenue Code of 1986, as amended, and any applicable regulations promulgated thereunder. 

(c) “Committee” means a committee of the Board duly appointed to administer the Plan and having such powers as shall be
specified by the Board. Unless the powers of the Committee have been specifically limited, the Committee shall have all of the powers of the Board granted herein, including, without limitation, the power to amend or terminate the Plan at any time,
subject to the terms of the Plan and any applicable limitations imposed by law. 
 (d) “Company” means Cohu, Inc., a
Delaware corporation, or any successor corporation thereto. 
 (e) “Compensation” means, with respect to an Offering Period
under the Plan, all amounts paid in cash in the form of base salary, paid during such Offering Period before deduction for any contributions to any plan maintained by a Participating Company and described in Section 401(k) or Section 125
of the Code. Compensation shall not include 

  
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payments of overtime, bonuses, commissions, other incentive compensation, reimbursements of expenses, allowances, long-term disability, workers’ compensation or any amount deemed received or
any amounts directly or indirectly paid pursuant to the Plan or any other stock purchase or stock option plan. 
 (f) “Eligible
Employee” means an Employee who meets the requirements set forth in Section 5 for eligibility to participate in the Plan. 

(g) “Employee” means any person treated as an employee (including an officer or a director who is also treated as an
employee) in the records of a Participating Company and for purposes of Section 423 of the Code; provided, however, that neither service as a director nor payment of a director’s fee shall be sufficient to constitute employment for
purposes of the Plan. 
 (h) “Exchange Act” means the Securities Exchange Act of 1934, as amended. 

(i) “Fair Market Value” means, as of any date, if there is then a public market for the Stock, the closing price of a share
of Stock (or the mean of the closing bid and asked prices of a share of Stock if the Stock is so reported instead) as reported on the National Association of Securities Dealers Automated Quotation Stock Market (“Nasdaq”) or such
other national or regional securities exchange or market system constituting the primary market for the Stock. If the relevant date does not fall on a day on which the Stock is trading on Nasdaq or other national or regional securities exchange or
market system, the date on which the Fair Market Value shall be established shall be the last day on which the Stock was so traded prior to the relevant date, or such other appropriate day as shall be determined by the Board, in its sole discretion.
If there is then no public market for the Stock, the Fair Market Value on any relevant date shall be as determined by the Board without regard to any restriction other than a restriction which, by its terms, will never lapse. 

(j) “Offering” means an offering of Stock as provided in Section 6. 

(k) “Offering Date” means, for any Offering Period, the first day of such Offering Period. 

(l) “Offering Period” means a period determined in accordance with Section 6.1. 

(m) “Parent Corporation” means any present or future “parent corporation” of the Company, as defined in
Section 424(e) of the Code. 
 (n) “Participant” means an Eligible Employee participating in the Plan. 

(o) “Participating Company” means the Company or any Parent Corporation or Subsidiary Corporation which the Board determines
should be included in the Plan. The Board shall have the sole and absolute discretion to determine from time to time what Parent Corporations or Subsidiary Corporations shall be Participating Companies. 

(p) “Participating Company Group” means, at any point in time, the Company and all other corporations collectively which are
then Participating Companies. 
 (q) “Purchase Date” means, for any Offering Period, the last day of such Offering Period.


  
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 (r) “Purchase Price” means the price at which a share of Stock may be purchased
pursuant to the Plan, as determined in accordance with Section 9. 
 (s) “Purchase Right” means an option pursuant to
the Plan to purchase such shares of Stock as provided in Section 8 which may or may not be exercised at the end of an Offering Period. Such option arises from the right of a Participant to withdraw such Participant’s accumulated payroll
deductions (if any) and terminate participation in the Plan or any Offering therein at any time during an Offering Period. 
 (t)
“Stock” means the common stock, $1.00 par value, of the Company, as adjusted from time to time in accordance with Section 4.2. 

(u) “Subsidiary Corporation” means any present or future “subsidiary corporation” of the Company, as defined in
Section 424(f) of the Code. 
 2.2 Construction. Captions and titles contained herein are for convenience only and shall
not affect the meaning or interpretation of any provision of the Plan. Except when otherwise indicated by the context, the singular shall include the plural, the plural shall include the singular, and use of the term “or” shall include the
conjunctive as well as the disjunctive. 
 3. Administration. The Plan shall be administered by the Board, including any duly
appointed Committee of the Board or officer or officers of the Company. In administering the Plan, the Board may prescribe, amend, and rescind procedural rules and adopt subplans (for some or all Participating Companies, for non-U.S. jurisdictions,
and whether or not intended to be an “employee stock purchase plan” under Section 423 of the Code). All questions of interpretation of the Plan or of any Purchase Right shall be determined by the Board and shall be final and binding
upon all persons having an interest in the Plan or such Purchase Right. Subject to the provisions of the Plan, the Board shall determine all of the relevant terms and conditions of Purchase Rights granted pursuant to the Plan; provided, however,
that all Participants granted Purchase Rights pursuant to the Plan shall have the same rights and privileges within the meaning of Section 423(b)(5) of the Code. All expenses incurred in connection with the administration of the Plan shall be
paid by the Company. 
 4. Shares Subject to Plan. 

4.1 Maximum Number of Shares Issuable. Subject to adjustment as provided in Section 4.2, the maximum aggregate number of
shares of Stock that may be issued under the Plan shall be two million six hundred fifty thousand (2,650,000) and shall consist of authorized but unissued or reacquired shares of the Stock, or any combination thereof. If an outstanding Purchase
Right for any reason expires or is terminated or canceled, the shares of Stock allocable to the unexercised portion of such Purchase Right shall again be available for issuance under the Plan. 

4.2 Adjustments for Changes in Capital Structure. In the event of any stock dividend, stock split, reverse stock split,
recapitalization, combination, reclassification or similar change in the capital structure of the Company, or in the event of any merger (including a merger effected for the purpose of changing the Company’s domicile), sale of assets or other
reorganization in which the Company is a party, appropriate adjustments shall be made to the number and class of shares subject to the Plan, to the Per Offering Share Limit set forth in Section 8.1 and to each Purchase Right and to the Purchase
Price. 
 5. Eligibility. 

  
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 5.1 Employees Eligible to Participate. Any Employee of a Participating Company is
eligible to participate in the Plan except the following: 
 (a) Employees who are customarily employed by the Participating Company Group
for twenty (20) hours or less per week; 
 (b) Employees who are customarily employed by the Participating Company Group for not more
than five (5) months in any calendar year; and 
 (c) Employees who own or hold options to purchase or who, as a result of
participation in the Plan, would own or hold options to purchase, stock of the Company or of any Parent Corporation or Subsidiary Corporation possessing five percent (5%) or more of the total combined voting power or value of all classes of
stock of such corporation within the meaning of Section 423(b)(3) of the Code. 
 5.2 Leased Employees Excluded.
Notwithstanding anything herein to the contrary, any individual performing services for a Participating Company solely through a leasing agency or employment agency shall not be deemed an “Employee” of such Participating Company. 

6. Offerings. 

6.1 Offering Periods. Except as otherwise set forth below, the Plan shall be implemented by sequential Offerings of six
(6) months’ duration (an “Offering Period”). Subsequent Offerings shall commence on the first days of November and May of each year and end on the last days of the first April and October, respectively, occurring
thereafter. Notwithstanding the foregoing, the Board may establish a different term for one or more Offerings or different commencing or ending dates for such Offerings; provided, however, that no Offering may exceed a term of twenty-seven
(27) months. An Employee who becomes an Eligible Employee after an Offering Period has commenced shall not be eligible to participate in such Offering but may participate in any subsequent Offering provided such Employee is still an Eligible
Employee as of the commencement of any such subsequent Offering. In the event the first or last day of an Offering Period is not a business day, the Company shall specify the business day that will be deemed the first or last day, as the case may
be, of the Offering Period. 
 6.2 Governmental Approval; Stockholder Approval. Notwithstanding any other provision of the
Plan to the contrary, any Purchase Right granted pursuant to the Plan shall be subject to (a) obtaining all necessary governmental approvals or qualifications of the sale or issuance of the Purchase Rights or the shares of Stock and
(b) obtaining stockholder approval of the Plan. 
 7. Participation in the Plan. 

7.1 Initial Participation. An Eligible Employee shall become a Participant on the first Offering Date after satisfying the
eligibility requirements of Section 5 and delivering to the Company’s payroll office or other office designated by the Company not later than the close of business for such office on the last business day before such Offering Date (the
“Subscription Date”) a subscription agreement indicating the Employee’s election to participate in the Plan and authorizing payroll deductions. An Eligible Employee who does not deliver a subscription agreement to the
Company’s payroll or other designated office on or before the Subscription Date shall not participate in the Plan for that Offering Period or for any subsequent Offering Period unless such Employee subsequently enrolls in the Plan by filing a
subscription agreement 

  
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with the Company by the Subscription Date for such subsequent Offering Period. The Company may, from time to time, change the Subscription Date as deemed advisable by the Company in its sole
discretion for proper administration of the Plan. 
 7.2 Continued Participation. A Participant shall automatically
participate in each subsequent Offering Period until such time as such Participant (a) ceases to be an Eligible Employee, (b) withdraws from the Plan pursuant to Section 13.2 or (c) terminates employment as provided in
Section 14. If a Participant automatically may participate in a subsequent Offering Period pursuant to this Section 7.2, then the Participant is not required to file any additional subscription agreement for such subsequent Offering Period
in order to continue participation in the Plan. However, a Participant may file a subscription agreement with respect to a subsequent Offering Period if the Participant desires to change any of the Participant’s elections contained in the
Participant’s then effective subscription agreement. 
 8. Right to Purchase Shares. 

8.1 Purchase Right. Except as set forth below, during an Offering Period each Participant shall have a Purchase Right consisting
of the right to purchase up to the lesser of (i) that number of whole shares of Stock arrived at by dividing Twelve Thousand Five Hundred Dollars ($12,500) by the Fair Market Value of a share of Stock on the Offering Date of such Offering
Period or (ii) 3,000 shares (the “Per Offering Share Limit”). Shares of Stock may only be purchased through a Participant’s payroll deductions pursuant to Section 10. 

8.2 Pro Rata Adjustment of Purchase Right. Notwithstanding the foregoing, if the Board shall establish an Offering Period of
less than five and one-half (5 1⁄2) months or more than six and one-half (6  1⁄2) months in duration, the dollar amount in Section 8.1 shall be determined by multiplying $2,083.33 by the number of months in the Offering Period and rounding to the nearest whole dollar. For purposes of
the preceding sentence, fractional months shall be rounded to the nearest whole month. 
 9. Purchase Price. The Purchase
Price at which each share of Stock may be acquired in a given Offering Period pursuant to the exercise of all or any portion of a Purchase Right granted under the Plan shall be set by the Board; provided, however, that the Purchase Price shall not
be less than eighty five percent (85%) of the lesser of (a) the Fair Market Value of a share of Stock on the Offering Date of the Offering Period, or (b) the Fair Market Value of a share of Stock on the Purchase Date of the Offering
Period. Unless otherwise provided by the Board prior to the commencement of an Offering Period, the Purchase Price for that Offering Period shall be eighty five percent (85%) of the lesser of (a) the Fair Market Value of a share of Stock
on the Offering Date of the Offering Period, or (b) the Fair Market Value of a share of Stock on the Purchase Date of the Offering Period. Notwithstanding anything in the Plan to the contrary, the Purchase Price per share of Stock shall in no
event be less than par value. 
 10. Accumulation of Purchase Price through Payroll Deduction. Shares of Stock which are
acquired pursuant to the exercise of all or any portion of a Purchase Right for an Offering Period may be paid for only by means of payroll deductions from the Participant’s Compensation accumulated during the Offering Period. Except as set
forth below, the amount of Compensation to be deducted from a Participant’s Compensation during each pay period shall be determined by the Participant’s subscription agreement. 

10.1 Commencement of Payroll Deductions. Payroll deductions shall commence on the first payday following the Offering Date and
shall continue to the end of the Offering Period unless sooner altered or terminated as provided in the Plan. 

  
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 10.2 Limitations on Payroll Deductions. The amount of payroll deductions with
respect to the Plan for any Participant during any pay period shall be in one percent (1%) increments not to exceed ten percent (10%) of the Participant’s Compensation for such pay period. Notwithstanding the foregoing, the Board may
change the limits on payroll deductions effective as of a future Offering Date, as determined by the Board. Amounts deducted from Compensation shall be reduced by any amounts contributed by the Participant and applied to the purchase of Company
stock pursuant to any other employee stock purchase plan qualifying under Section 423 of the Code. 
 10.3 Election to Increase,
Decrease or Stop Payroll Deductions. During an Offering Period, a Participant may elect to increase or decrease the amount deducted or stop deductions from his or her Compensation by filing an amended subscription agreement with the Company
on or before the “Change Notice Date.” The “Change Notice Date” shall initially be the seventh (7th) day prior to the end of the first pay period for which such election is to be effective; however, the Company may
change such Change Notice Date from time to time. 
 10.4 Participant Accounts. Individual Plan accounts shall be maintained
for each Participant. All payroll deductions from a Participant’s Compensation shall be credited to such account and shall be deposited with the general funds of the Company. All payroll deductions received or held by the Company may be used by
the Company for any corporate purpose. 
 10.5 No Interest Paid. Interest shall not be paid on sums deducted from a
Participant’s Compensation pursuant to the Plan. 
 10.6 Company Established Procedures. The Company may, from time to
time, establish or change (a) a minimum required payroll deduction amount for participation in an Offering, (b) limitations on the frequency or number of changes in the rate of payroll deduction during an Offering, (c) an exchange
ratio applicable to amounts withheld in a currency other than U.S. dollars, (d) payroll deduction in excess of or less than the amount designated by a Participant in order to adjust for delays or mistakes in the Company’s processing of
subscription agreements, (e) the date(s) and manner by which the Fair Market Value of a share of Stock is determined for purposes of administration of the Plan, or (f) such other limitations or procedures as deemed advisable by the Company
in the Company’s sole discretion which are consistent with the Plan and in accordance with the requirements of Section 423 of the Code. 

11. Purchase of Shares. 

11.1 Exercise of Purchase Right. On each Purchase Date, each Participant who has not withdrawn from the Offering or whose
participation in the Offering has not terminated on or before such Purchase Date shall automatically acquire pursuant to the exercise of the Participant’s Purchase Right the number of whole shares of Stock arrived at by dividing the total
amount of the Participant’s accumulated payroll deductions for the Purchase Period by the Purchase Price; provided, however, in no event shall the number of shares purchased by the Participant during an Offering Period exceed the number of
shares subject to the Participant’s Purchase Right or the pro rata allocation under Section 12.2. No shares of Stock shall be purchased on a Purchase Date on behalf of a Participant whose participation in the Offering or the Plan has
terminated on or before such Purchase Date. 
 11.2 Return of Cash Balance. Any cash balance remaining in the
Participant’s Plan account shall be refunded to the Participant as soon as practicable after the Purchase Date. In the event the cash to be returned to a Participant pursuant to the preceding sentence is an


  
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amount less than the amount necessary to purchase a whole share of Stock, the Company may establish procedures whereby such cash is maintained in the Participant’s Plan account and applied
toward the purchase of shares of Stock in the subsequent Offering Period. 
 11.3 Tax Withholding. At the time a
Participant’s Purchase Right is exercised, in whole or in part, or at the time a Participant disposes of some or all of the shares of Stock he or she acquires under the Plan, the Participant shall make adequate provision for the foreign,
federal, state and local tax withholding obligations of the Participating Company Group, if any, which arise upon exercise of the Purchase Right or upon such disposition of shares, respectively. The Participating Company Group may, but shall not be
obligated to, withhold from the Participant’s compensation the amount necessary to meet such withholding obligations. 
 11.4
Expiration of Purchase Right. Any portion of a Participant’s Purchase Right remaining unexercised after the end of the Offering Period to which such Purchase Right relates shall expire immediately upon the end of such Offering
Period. 
 12. Limitations on Purchase of Shares; Rights as a Stockholder. 

12.1 Fair Market Value Limitation. Notwithstanding any other provision of the Plan, no Participant shall be entitled to purchase
shares of Stock under the Plan (or any other employee stock purchase plan which is intended to meet the requirements of Section 423 of the Code sponsored by the Company or a Parent Corporation or Subsidiary Corporation at a rate which exceeds
$25,000 in Fair Market Value, which Fair Market Value is determined for shares purchased during a given Offering Period as of the Offering Date (or such other limit as may be imposed by the Code), for each calendar year in which the Participant
participates in the Plan (or any other employee stock purchase plan described in this sentence). 
 12.2 Pro Rata Allocation.
In the event the number of shares of Stock which might be purchased by all Participants in the Plan exceeds the number of shares of Stock available in the Plan, the Company shall make a pro rata allocation of the remaining shares in as uniform a
manner as shall be practicable and as the Company shall determine to be equitable. Any fractional share of Stock remaining from a pro rata allocation under this Section shall be disregarded. 

12.3 Rights as a Stockholder and Employee. A Participant shall have no rights as a stockholder by virtue of the
Participant’s participation in the Plan until the date of the issuance of a stock certificate for the shares of Stock being purchased pursuant to the exercise of the Participant’s Purchase Right. No adjustment shall be made for cash
dividends or distributions or other rights for which the record date is prior to the date such stock certificate is issued. Nothing herein shall confer upon a Participant any right to continue in the employ of the Participating Company Group or
interfere in any way with any right of the Participating Company Group to terminate the Participant’s employment at any time. Nothing in this Plan affects the Participating Company Group’s right to (a) adjust, reclassify, reorganize,
or otherwise change its capital or business structure; (b) merge, consolidate, dissolve, liquidate, sell, or transfer an part of its business or assets; or (c) act as considered necessary or appropriate. 

13. Withdrawal. 

13.1 Withdrawal From an Offering. A Participant may withdraw from an Offering by signing and delivering to the Company’s
payroll or other designated office a written notice of withdrawal on a form provided by the Company for such purpose. Such withdrawal may be elected at any time prior to the end of an Offering Period. Unless otherwise indicated,


  
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withdrawal from an Offering shall not result in a withdrawal from the Plan or any succeeding Offering therein. A Participant is prohibited from again participating in an Offering at any time
following withdrawal from such Offering. The Company may impose, from time to time, a requirement that the notice of withdrawal be on file with the Company’s payroll office or other designated office for a reasonable period prior to the
effectiveness of the Participant’s withdrawal from an Offering. 
 13.2 Withdrawal from the Plan. A Participant may
withdraw from the Plan by signing and delivering to the Company’s payroll office or other designated office a written notice of withdrawal on a form provided by the Company for such purpose. Withdrawals made after a Purchase Date shall not
affect shares of Stock acquired by the Participant on such Purchase Date. In the event a Participant voluntarily elects to withdraw from the Plan, the Participant may not resume participation in the Plan during the same Offering Period, but may
participate in any subsequent Offering under the Plan by again satisfying the requirements of Sections 5 and 7.1. The Company may impose, from time to time, a requirement that the notice of withdrawal be on file with the Company’s payroll
office or other designated office for a reasonable period prior to the effectiveness of the Participant’s withdrawal from the Plan. 

13.3 Return of Payroll Deductions. Upon a Participant’s withdrawal from an Offering or the Plan pursuant to Sections 13.1
or 13.2, respectively, the Participant’s accumulated payroll deductions which have not been applied toward the purchase of shares of Stock shall be returned as soon as practicable after the withdrawal, without the payment of any interest, to
the Participant, and the Participant’s interest in the Offering or the Plan, as applicable, shall terminate. Such accumulated payroll deductions may not be applied to any other Offering under the Plan. 

14. Termination of Employment or Eligibility. Termination of a Participant’s employment with a Participating Company for
any reason, including retirement, disability or death or the failure of a Participant to remain an Eligible Employee, shall terminate the Participant’s participation in the Plan immediately. In such event, the payroll deductions credited to the
Participant’s Plan account since the last Purchase Date shall, as soon as practicable, be returned to the Participant or, in the case of the Participant’s death, to the Participant’s legal representative, and all of the
Participant’s rights under the Plan shall terminate. Interest shall not be paid on sums returned to a Participant pursuant to this Section 14. A Participant whose participation has been so terminated may again become eligible to
participate in the Plan by again satisfying the requirements of Sections 5 and 7.1. 
 15. Transfer of Control.

 15.1 Definitions. 

(a) An “Ownership Change Event” shall be deemed to have occurred if any of the following occurs with respect to the Company:
(i) the direct or indirect sale or exchange in a single or series of related transactions by the stockholders of the Company of more than fifty percent (50%) of the voting stock of the Company; (ii) a merger or consolidation in which
the Company is a party; (iii) the sale, exchange, or transfer of all or substantially all of the assets of the Company; or (iv) a liquidation or dissolution of the Company. 

(b) A “Transfer of Control” shall mean an Ownership Change Event or a series of related Ownership Change Events
(collectively, the “Transaction”) wherein the stockholders of the Company immediately before the Transaction do not retain immediately after the Transaction, in substantially the same proportions as their ownership of shares of the


  
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Company’s voting stock immediately before the Transaction, direct or indirect beneficial ownership of more than fifty percent (50%) of the total combined voting power of the outstanding
voting stock of the Company or the corporation or corporations to which the assets of the Company were transferred (the “Transferee Corporation(s)”), as the case may be. For purposes of the preceding sentence, indirect beneficial
ownership shall include, without limitation, an interest resulting from ownership of the voting stock of one or more corporations which, as a result of the Transaction, own the Company or the Transferee Corporation(s), as the case may be, either
directly or through one or more subsidiary corporations. The Board shall have the right to determine whether multiple sales or exchanges of the voting stock of the Company or multiple Ownership Change Events are related, and its determination shall
be final, binding and conclusive. 
 15.2 Effect of Transfer of Control on Purchase Rights. In the event of a Transfer of
Control, the surviving, continuing, successor, or purchasing corporation or parent corporation thereof, as the case may be (the “Acquiring Corporation”), may assume the Company’s rights and obligations under the Plan or
substitute substantially equivalent Purchase Rights for stock of the Acquiring Corporation. If the Acquiring Corporation elects not to assume or substitute for the outstanding Purchase Rights, the Board shall, notwithstanding any other provision
herein to the contrary, adjust the Purchase Date of the then current Offering Period to a date immediately before the date of the Transfer of Control, but shall not adjust the number of shares of Stock subject to any Purchase Right. All Purchase
Rights which are neither assumed or substituted for by the Acquiring Corporation in connection with the Transfer of Control nor exercised as of the date of the Transfer of Control shall terminate and cease to be outstanding effective as of the date
of the Transfer of Control. Notwithstanding the foregoing, if the corporation the stock of which is subject to the outstanding Purchase Rights immediately prior to an Ownership Change Event described in Section 15.1(a)(i) constituting a
Transfer of Control is the surviving or continuing corporation and immediately after such Ownership Change Event less than fifty percent (50%) of the total combined voting power of its voting stock is held by another corporation or by other
corporations that are members of an affiliated group within the meaning of Section 1504(a) of the Code without regard to the provisions of Section 1504(b) of the Code, the outstanding Purchase Rights shall not terminate unless the Board
otherwise provides in its sole discretion. 
 16. Nontransferability of Purchase Rights. A Purchase Right may not be
transferred in any manner otherwise than by will or the laws of descent and distribution and shall be exercisable during the lifetime of the Participant only by the Participant. Any attempt to pledge, assign or transfer such Purchase Rights or
accumulated payroll deductions shall be treated as an election to withdraw from the Plan. The Company, in its absolute discretion, may impose such restrictions on the transferability of the shares purchasable upon the exercise of a Purchase Right as
it deems appropriate and any such restriction shall be set forth in the respective subscription agreement and may be referred to on the certificates evidencing such shares. 

17. Reports. Each Participant who exercised all or part of his or her Purchase Right for an Offering Period shall receive, as
soon as practicable after the Purchase Date, a report of such Participant’s Plan account setting forth the total payroll deductions accumulated, the number of shares of Stock purchased, the Purchase Price for such shares, the date of purchase
and the remaining cash balance to be refunded or retained in the Participant’s Plan account pursuant to Section 11.2, if any. Each Participant shall be provided information concerning the Company equivalent to that information generally
made available to the Company’s common stockholders. 

  
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 18. Restriction on Issuance of Shares. The issuance of shares under the Plan shall
be subject to compliance with all applicable requirements of foreign, federal or state law with respect to such securities. A Purchase Right may not be exercised if the issuance of shares upon such exercise would constitute a violation of any
applicable foreign, federal or state securities laws or other law or regulations. In addition, no Purchase Right may be exercised unless (a) a registration statement under the Securities Act of 1933, as amended, shall at the time of exercise of
the Purchase Right be in effect with respect to the shares issuable upon exercise of the Purchase Right, or (b) in the opinion of legal counsel to the Company, the shares issuable upon exercise of the Purchase Right may be issued in accordance
with the terms of an applicable exemption from the registration requirements of said Act. The inability of the Company to obtain from any regulatory body having jurisdiction the authority, if any, deemed by the Company’s legal counsel to be
necessary to the lawful issuance and sale of any shares under the Plan shall relieve the Company of any liability in respect of the failure to issue or sell such shares as to which such requisite authority shall not have been obtained. As a
condition to the exercise of a Purchase Right, the Company may require the Participant to satisfy any qualifications that may be necessary or appropriate, to evidence compliance with any applicable law or regulation, and to make any representation
or warranty with respect thereto as may be requested by the Company. 
 19. Legends. The Company may at any time place legends
or other identifying symbols referencing any applicable foreign, federal or state securities law restrictions or any provision convenient in the administration of the Plan on some or all of the certificates representing shares of Stock issued under
the Plan. The Participant shall, at the request of the Company, promptly present to the Company any and all certificates representing shares acquired pursuant to a Purchase Right in the possession of the Participant in order to carry out the
provisions of this Section. Unless otherwise specified by the Company, legends placed on such certificates may include but shall not be limited to the following: 

“THE SHARES EVIDENCED BY THIS CERTIFICATE WERE ISSUED BY THE CORPORATION TO THE REGISTERED HOLDER UPON THE PURCHASE OF SHARES UNDER AN
EMPLOYEE STOCK PURCHASE PLAN AS DEFINED IN SECTION 423 OF THE INTERNAL REVENUE CODE OF 1986, AS AMENDED. THE TRANSFER AGENT FOR THE SHARES EVIDENCED HEREBY SHALL NOTIFY THE CORPORATION IMMEDIATELY OF ANY TRANSFER OF THE SHARES BY THE REGISTERED
HOLDER HEREOF MADE ON OR BEFORE , 20 . THE REGISTERED HOLDER SHALL HOLD ALL SHARES PURCHASED UNDER THE PLAN IN THE REGISTERED HOLDER’S NAME (AND NOT IN THE NAME OF ANY NOMINEE) PRIOR TO THIS DATE.” 

20. Notification of Sale of Shares. The Company may require the Participant to give the Company prompt notice of any disposition
of shares acquired by exercise of a Purchase Right within two years from the date of granting such Purchase Right or one year from the date of exercise of such Purchase Right. The Company may require that until such time as a Participant disposes of
shares acquired upon exercise of a Purchase Right, the Participant shall hold all such shares in the Participant’s name (and not in the name of any nominee) until the lapse of the time periods with respect to such Purchase Right referred to in
the preceding sentence. The Company may direct that the certificates evidencing shares acquired by exercise of a Purchase Right refer to such requirement to give prompt notice of disposition. 

21. Amendment or Termination of the Plan. The Plan shall terminate on the earliest to occur of (i) the date on which all
available shares are issued; or (ii) the date on which the outstanding Purchase Rights are exercised in connection with a Transfer of Control. The 

  
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Board may at any time amend or terminate the Plan, except that (a) such termination shall not affect Purchase Rights previously granted under the Plan, except as permitted under the Plan,
and (b) no amendment may adversely affect a Purchase Right previously granted under the Plan (except to the extent permitted by the Plan or as may be necessary to qualify the Plan as an employee stock purchase plan pursuant to Section 423
of the Code or to obtain qualification or registration of the shares of Stock under applicable foreign, federal or state securities laws). In addition, an amendment to the Plan must be approved by the stockholders of the Company within twelve
(12) months of the adoption of such amendment if such amendment would (a) authorize the sale of more shares than are authorized for issuance under the Plan; or (b) change the definition of the corporations that may be designated by
the Board as Participating Companies; or (c) materially modify the eligibility requirements of the Plan except as required by changes in the Code; or (d) permit payroll deductions with respect to the Plan in excess of 10% of the
Participant’s Compensation; or (e) materially increase the benefits which may accrue under the Plan. 
 22.
Miscellaneous. 
 22.1 Beneficiary Designation. A Participant may designate one or more beneficiaries who
may exercise the Participant’s rights under the Plan upon the Participant’s death. Any beneficiary designation shall be in the written form the Company requires, revoke all prior designations by the same Participant, and be effective when
filed with the Company during the Participant’s lifetime. A married Participant who designates a beneficiary other than a spouse may be required by applicable laws to provide the spouse’s consent. If a Participant dies without a properly
designated living beneficiary, the Company shall pay any remaining unpaid benefits under the Plan in accordance with the applicable laws of descent and distribution. 

22.2 Severability. To the extent any term of the Plan is held wholly or partially invalid, illegal, or unenforceable, that term
shall be considered modified to the extent necessary to render the remaining portion of the term and any other term valid, legal, and enforceable. 

22.3 Choice of Law. The Plan is governed by the laws of the State of California, without regard to its conflict-of-law rules,
except to the extent U.S. federal law applies. 
 IN WITNESS WHEREOF, the undersigned Secretary of the Company certifies that the foregoing
Cohu, Inc. 1997 Employee Stock Purchase Plan, as amended and restated, was duly adopted by the Board of Directors of the Company on April 6, 2015. 
  

	
	 /s/ Jeffrey D. Jones

	Jeffrey D. Jones



  
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