Altera Corporation 1987 Employee Stock Purchase Plan



 Exhibit 10.2 
 ALTERA CORPORATION 
 1987 EMPLOYEE STOCK PURCHASE PLAN 
 (as amended and restated May 13, 2008) 
 The following constitute the provisions of the 1987 Employee Stock Purchase Plan, as amended and restated May 13, 2008, of Altera Corporation. 
 1. Purpose. The purpose of the Plan is to provide employees of the Company and its Designated Subsidiaries with an opportunity to purchase Common Stock of the Company through accumulated payroll deductions. It
is the intention of the Company to have the Plan qualify as an “Employee Stock Purchase Plan” under Section 423 of the Internal Revenue Code. The provisions of the Plan, accordingly, shall be construed so as to extend and limit
participation in a uniform and nondiscriminatory basis consistent with the requirements of Section 423. 
 2. Definitions.

 (a) “Administrator” shall mean the Board or any Committee designated by the Board to administer the plan pursuant to
Section 15 of the Plan. 
 (b) “Board” shall mean the Board of Directors of the Company. 
 (c) “Change of Control” shall mean the occurrence of any of the following events: 
 (i) Any “person” (as such term is used in Sections 13(d) and 14(d) of the Exchange Act) becomes the “beneficial owner” (as defined in
Rule 13d-3 of the Exchange Act), directly or indirectly, of securities of the Company representing fifty percent (50%) or more of the total voting power represented by the Company’s then outstanding voting securities; or 
 (ii) The consummation of the sale or disposition by the Company of all or substantially all of the Company’s assets; or 
 (iii) The consummation of a merger or consolidation of the Company, with any other corporation, other than a merger or consolidation that would result
in the voting securities of the Company outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting securities of the surviving entity or its parent) at least fifty percent
(50%) of the total voting power represented by the voting securities of the Company, or such surviving entity or its parent outstanding immediately after such merger or consolidation. 
 (iv) A change in the composition of the Board, as a result of which fewer than a majority of the Directors are Incumbent Directors. “Incumbent
Directors” shall mean Directors who either (A) are Directors of the Company, as applicable, as of the date hereof, or (B) are elected, or nominated for election, to the Board with the affirmative votes of at least a 

  

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majority of those Directors whose election or nomination was not in connection with any transaction described in subsections (i), (ii) or (iii) or
in connection with an actual or threatened proxy contest relating to the election of directors of the Company. 
 (d) “Code”
shall mean the Internal Revenue Code of 1986, as amended. 
 (e) “Committee” means a committee of the Board appointed by the
Board in accordance with Section 15 hereof. 
 (f) “Common Stock” shall mean the common stock of the Company.

 (g) “Company” shall mean Altera Corporation, a Delaware corporation. 
 (h) “Compensation” shall mean all base straight time gross earnings, sales commissions and sales incentives, but exclusive of payments
for overtime, shift premiums, other incentive payments, bonuses or other compensation. 
 (i) “Designated Subsidiary” shall
mean any Subsidiary selected by the Administrator as eligible to participate in the Plan. 
 (j) “Eligible Employee” shall
mean any individual who is a common law employee of the Company or any Designated Subsidiary and whose customary employment with the Company or Designated Subsidiary is at least twenty (20) hours per week and more than five (5) months in
any calendar year. For purposes of the Plan, the employment relationship shall be treated as continuing intact while the individual is on sick leave or other leave of absence approved by the Company. Where the period of leave exceeds 90 days and the
individual’s right to reemployment is not guaranteed either by statute or by contract, the individual shall be deemed to have withdrawn from the Plan on the 91st day of such leave. 
 (k) “Exercise Date” shall mean the Trading Day on or before April 30th and October 31st of each year. 
 (l) “Fair Market Value” shall mean, as of any date, the value of Common Stock determined as follows: 
 (i) If the Common Stock is listed on any established stock exchange or a national market system, including without limitation the Nasdaq National Market
or The Nasdaq SmallCap Market of The Nasdaq Stock Market, its Fair Market Value shall be the closing sales price for such stock (or the closing bid, if no sales were reported) as quoted on such exchange or system on the date of determination, as
reported in The Wall Street Journal or such other source as the Board deems reliable; 
 (ii) If the Common Stock is regularly quoted
by a recognized securities dealer but selling prices are not reported, its Fair Market Value shall be the mean of the closing bid and asked prices for the Common Stock on the date of determination, as reported in The Wall Street Journal or
such other source as the Board deems reliable; 
  

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 (iii) In the absence of an established market for the Common Stock, the Fair Market Value thereof shall
be determined in good faith by the Board; or 
 (iv) For purposes of the Offering Date of the first Offering Period under the Plan, the Fair
Market Value shall be the initial price to the public as set forth in the final prospectus included within the registration statement in Form S-1 filed with the Securities and Exchange Commission for the initial public offering of the Company’s
Common Stock (the “Registration Statement”). 
 (m) “Offering Date” shall mean the first Trading Day of each
Offering Period. 
 (n) “Offering Periods” shall mean the periods of approximately twelve (12) months during which an
option granted pursuant to the Plan may be exercised, usually commencing on the first Trading Day on or after May 1st and November 1st of each year and terminating on the Trading Day on or before April 30th and October 31st. The
duration and timing of Offering Periods may be changed pursuant to Section 4 of this Plan. 
 (o) “Plan” shall mean
this Employee Stock Purchase Plan. 
 (p) “Purchase Period” shall mean the approximately six (6) month period
commencing on one Exercise Date and ending with the next Exercise Date, except that the first Purchase Period of any Offering Period shall commence on the Offering Date and end with the next Exercise Date. 
 (q) “Purchase Price” shall mean 85% of the Fair Market Value of a share of Common Stock on the Offering Date or on the Exercise Date,
whichever is lower; provided however, that the Purchase Price may be adjusted by the Administrator pursuant to Section 20. 
 (r)
“Subsidiary” shall mean a “subsidiary corporation,” whether now or hereafter existing, as defined in Section 424(f) of the Code. 
 (s) “Trading Day” shall mean a day on which national stock exchanges and the Nasdaq System are open for trading. 
 3. Eligibility. 
 (a) Subsequent Offering Periods. Any Eligible Employee on a given Offering
Date shall be eligible to participate in the Plan. 
 (b) Limitations. Any provisions of the Plan to the contrary notwithstanding, no
Eligible Employee shall be granted an option under the Plan (i) to the extent that, immediately after the grant, such Eligible Employee (or any other person whose stock would be attributed to such Eligible Employee pursuant to
Section 424(d) of the Code) would own capital stock of the Company and/or hold outstanding options to purchase such stock possessing five percent (5%) or more of the total combined voting power or value of all classes of the capital stock
of the Company or of any Subsidiary, or (ii) to the extent that his or her rights to purchase stock under all employee stock purchase plans of the Company and its subsidiaries accrues at a rate that 

  

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exceeds Twenty-Five Thousand Dollars ($25,000) worth of stock (determined at the Fair Market Value of the shares at the time such option is granted) for each
calendar year in which such option is outstanding at any time. 
 4. Offering
Periods. The Plan shall be implemented by consecutive, overlapping Offering Periods with a new Offering Period commencing on the first Trading Day on or after May 1st and November 1st each year, or on such other date as the Board shall determine, and continuing thereafter
until terminated in accordance with Section 21 hereof. The Board shall have the power to change the duration of Offering Periods (including the commencement dates thereof) with respect to future offerings without shareholder approval if such
change is announced prior to the scheduled beginning of the first Offering Period to be affected thereafter. 
 5. Subsequent Offering
Periods. An Eligible Employee may become a participant in the Plan by completing a subscription agreement authorizing payroll deductions in the form of Exhibit A to this Plan and filing it with the Company’s Stock Administration Department
prior to the applicable Offering Date. 
 6. Payroll Deductions. 
 (a) At the time a participant files his or her subscription agreement, he or she shall elect to have payroll deductions made on each pay day during the
Offering Period in an amount not exceeding 10% of the Compensation that he or she receives on each pay day during the Offering Period; provided, however, that should a pay day occur on an Exercise Date, a participant shall have the payroll
deductions made on such day applied to his or her account under the new Offering Period or Purchase Period, as the case may be. A participant’s subscription agreement shall remain in effect for successive Offering Periods unless terminated as
provided in Section 11 hereof. 
 (b) Payroll deductions for a participant shall commence on the first payday following the Offering
Date and shall end on the last payday in the Offering Period to which such authorization is applicable, unless sooner terminated by the participant as provided in Section 11 hereof. 
 (c) All payroll deductions made for a participant shall be credited to his or her account under the Plan and shall be withheld in whole percentages only.
A participant may not make any additional payments into such account. 
 (d) A participant may discontinue his or her participation in the
Plan as provided in Section 11 hereof, or decrease the rate of his or her payroll deductions during the Offering Period by completing or filing with the Company a new subscription agreement authorizing a change in payroll deduction rate. A
participant may increase his or her rate of payroll deductions only for a subsequent Offering Period in which he or she is scheduled to participate and may not increase his or her rate of payroll deductions during an outstanding Offering Period in
which such participant is currently participating. The Administrator may, in its discretion, limit the nature and/or number of participation rate changes during any Offering Period. Any decrease in rate shall be effective fifteen (15) days
following the Company’s receipt of the notification. 
  

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 (e) Notwithstanding the foregoing, to the extent necessary to comply with Section 423(b)(8) of the
Code and Section 3(b) hereof, the Administrator may decrease a participant’s payroll deductions to zero percent (0%) at any time during a Purchase Period. Payroll deductions shall recommence at the rate provided in such participant’s
subscription agreement at the beginning of the first Purchase Period that is scheduled to end in the following calendar year, unless terminated by the participant as provided in Section 11 hereof. 
 (f) At the time the option is exercised, in whole or in part, or at the time some or all of the Company’s Common Stock issued under the Plan is
disposed of, the participant must make adequate provision for the Company’s federal, state, or other tax withholding obligations, if any, which arise upon the exercise of the option or the disposition of the Common Stock. At any time, the
Company may, but shall not be obligated to, withhold from the participant’s compensation the amount necessary for the Company to meet applicable withholding obligations, including any withholding required to make available to the Company any
tax deductions or benefits attributable to sale or early disposition of Common Stock by the Eligible Employee. 
 7. Grant of Option.
On the Offering Date of each Offering Period, each Eligible Employee participating in such Offering Period shall be granted an option to purchase on each Exercise Date during such Offering Period (at the applicable Purchase Price) up to a number of
shares of the Company’s Common Stock determined by dividing such Eligible Employee’s payroll deductions accumulated prior to such Exercise Date and retained in the Participant’s account as of the Exercise Date by the applicable
Purchase Price; provided that in no event shall an Eligible Employee be permitted to purchase during each Purchase Period more than 10,000 shares of the Company’s Common Stock (subject to any adjustment pursuant to Section 20 hereof), and
provided further that such purchase shall be subject to the limitations set forth in Section 3(b) and other sections of the Plan that may limit such number. The Eligible Employee may accept the grant of such option by turning in a completed
Subscription Agreement to the Company on or prior to an Offering Date. The Administrator may, for future Offering Periods, increase or decrease, in its absolute discretion, the maximum number of shares of the Company’s Common Stock an Eligible
Employee may purchase during each Purchase Period of such Offering Period. Exercise of the option shall occur as provided in Section 9 hereof, unless the participant has withdrawn pursuant to Section 11 hereof. The option shall expire on
the last day of the Offering Period. 
 8. Automatic Transfer to Low Price Offering Period. To the extent permitted by any applicable
laws, regulations, or stock exchange rules, if the Fair Market Value of the Common Stock on any Exercise Date in an Offering Period is lower than the Fair Market Value of the Common Stock on the Offering Date of such Offering Period, then all
participants in such Offering Period shall be automatically withdrawn from such Offering Period immediately after the exercise of their option on such Exercise Date and automatically re-enrolled in the immediately following Offering Period.

  

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 9. Exercise of Option. 
 (a) Unless a participant withdraws from the Plan as provided in Section 11 hereof, his or her option for the purchase of shares shall be exercised
automatically on the Exercise Date, and the maximum number of full shares subject to option shall be purchased for such participant at the applicable Purchase Price with the accumulated payroll deductions in his or her account. No fractional shares
shall be purchased; any payroll deductions accumulated in a participant’s account that are not sufficient to purchase a full share shall be retained in the participant’s account for the subsequent Purchase Period or Offering Period,
subject to earlier withdrawal by the participant as provided in Section 11 hereof. Any other funds left over in a participant’s account after the Exercise Date shall be returned to the participant. During a participant’s lifetime, a
participant’s option to purchase shares hereunder is exercisable only by him or her. 
 (b) If the Administrator determines that, on a
given Exercise Date, the number of shares with respect to which options are to be exercised may exceed (i) the number of shares of Common Stock that were available for sale under the Plan on the Offering Date of the applicable Offering Period,
or (ii) the number of shares available for sale under the Plan on such Exercise Date, the Administrator may in its sole discretion (1) provide that the Company shall make a pro rata allocation of the shares of Common Stock available for
purchase on such Offering Date or Exercise Date, as applicable, in as uniform a manner as shall be practicable and as it shall determine in its sole discretion to be equitable among all participants exercising options to purchase Common Stock on
such Exercise Date, and continue all Offering Periods then in effect, or (2) provide that the Company shall make a pro rata allocation of the shares available for purchase on such Offering Date or Exercise Date, as applicable, in as uniform a
manner as shall be practicable and as it shall determine in its sole discretion to be equitable among all participants exercising options to purchase Common Stock on such Exercise Date, and terminate any or all Offering Periods then in effect
pursuant to Section 21 hereof. The Company may make pro rata allocation of the shares available on the Offering Date of any applicable Offering Period pursuant to the preceding sentence, notwithstanding any authorization of additional shares
for issuance under the Plan by the Company’s shareholders subsequent to such Offering Date. 
 10. Delivery. As soon as
reasonably practicable after each Exercise Date on which a purchase of shares occurs, the Company shall arrange the delivery to each participant the shares purchased upon exercise of his or her option in a form determined by the Administrator.

 11. Withdrawal. 
 (a) A
participant may withdraw all but not less than all the payroll deductions credited to his or her account and not yet used to exercise his or her option under the Plan at any time by giving written notice to the Company. All of the participant’s
payroll deductions credited to his or her account shall be paid to such participant promptly after receipt of notice of withdrawal and such participant’s option for the Offering Period shall be automatically terminated, and no further payroll
deductions for the purchase of shares shall be made for such Offering Period. If a participant withdraws from an Offering Period, payroll deductions shall not resume at the beginning of the succeeding Offering Period unless the participant delivers
to the Company a new Subscription Agreement. 
  

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 (b) A participant’s withdrawal from an Offering Period shall not have any effect upon his or her
eligibility to participate in any similar plan that may hereafter be adopted by the Company or in succeeding Offering Periods that commence after the termination of the Offering Period from which the participant withdraws. 
 12. Termination of Employment. In the event a participant ceases to be an Eligible Employee prior to the Exercise Date of the Offering Period in
question for any reason, including retirement or death, the payroll deductions credited to the participant’s account will be returned to the participant, or in the case of the participant’s death, to the person or persons entitled thereto
pursuant to Section 16 of the Plan, and the participant’s option will automatically terminate. 
 13. Interest. No interest
shall accrue on the payroll deductions of a participant in the Plan. 
 14. Stock. 
 (a) Subject to adjustment upon changes in capitalization of the Company as provided in Section 20 hereof, the maximum number of shares of the
Company’s Common Stock that shall be made available for sale under the Plan shall be 22,700,000. 
 (b) Until the shares are issued (as
evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company), a participant shall only have the rights of an unsecured creditor with respect to such shares, and no right to vote or receive
dividends or any other rights as a stockholder shall exist with respect to such shares. 
 (c) Shares to be delivered to a participant under
the Plan shall be registered in the name of the participant or in the name of the participant and his or her spouse. 
 15.
Administration. The Administrator shall administer the Plan and shall have full and exclusive discretionary authority to construe, interpret and apply the terms of the Plan, to determine eligibility and to adjudicate all disputed claims filed
under the Plan. Every finding, decision and determination made by the Administrator shall, to the full extent permitted by law, be final and binding upon all parties. 
 16. Designation of Beneficiary. 
 (a) Unless otherwise prohibited by applicable law, a participant may
file a written designation of a beneficiary who is to receive any shares and cash, if any, from the participant’s account under the Plan in the event of such participant’s death subsequent to an Exercise Date on which the option is
exercised but prior to delivery to such participant of such shares and cash. In addition, a participant may file a written designation of a beneficiary who is to receive any cash from the participant’s account under the Plan in the event of
such participant’s death prior to exercise of the option. If a participant is married and the designated beneficiary is not the spouse, spousal consent shall be required for such designation to be effective. 
  

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 (b) Such designation of beneficiary may be changed by the participant at any time by written notice. In
the event of the death of a participant and in the absence of a beneficiary validly designated under the Plan who is living at the time of such participant’s death, the Company shall deliver such shares and/or cash to the executor or
administrator of the estate of the participant, or if no such executor or administrator has been appointed (to the knowledge of the Company), the Company, in its discretion, may deliver such shares and/or cash to the spouse or to any one or more
dependents or relatives of the participant, or if no spouse, dependent or relative is known to the Company, then to such other person as the Company may designate. 
 (c) All beneficiary designations shall be in such form and manner as the Administrator may designate from time to time. 
 17. Transferability. Neither payroll deductions credited to a participant’s account nor any rights with regard to the exercise of an option or to receive shares under the Plan may be assigned, transferred,
pledged or otherwise disposed of in any way (other than by will, the laws of descent and distribution, or as provided in Section 16 hereof) by the participant. Any such attempt at assignment, transfer, pledge or other disposition shall be
without effect, except that the Company may treat such act as an election to withdraw funds from an Offering Period in accordance with Section 11 hereof. 
 18. Use of Funds. All payroll deductions received or held by the Company under the Plan may be used by the Company for any corporate purpose, and the Company shall not be obligated to segregate such payroll
deductions. Until shares are issued, participants shall only have the rights of an unsecured creditor. 
 19. Reports. Individual
accounts shall be maintained for each participant in the Plan. Statements of account shall be given to participating Eligible Employees at least annually, which statements shall set forth the amounts of payroll deductions, the Purchase Price, the
number of shares purchased and the remaining cash balance, if any. 
 20. Adjustments Upon Changes in Capitalization, Dissolution,
Liquidation, Merger or Change of Control. 
 (a) Changes in Capitalization. Subject to any required action by the shareholders of
the Company, the maximum number of shares of the Company’s Common Stock that shall be made available for sale under the Plan, the maximum number of shares each participant may purchase each Purchase Period (pursuant to Section 7), as well
as the price per share and the number of shares of Common Stock covered by each option under the Plan that have not yet been exercised, shall be proportionately adjusted for any increase or decrease in the number of issued shares of Common Stock
resulting from a stock split, reverse stock split, stock dividend, combination or reclassification of the Common Stock, or any other change in the number of shares of Common Stock effected without receipt of consideration by the Company; provided,
however, that conversion of any convertible securities of the Company shall not be deemed to 

  

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have been “effected without receipt of consideration.” Such adjustment shall be made by the Administrator, whose determination in that respect
shall be final, binding and conclusive. Except as expressly provided herein, no issuance by the Company of shares of stock of any class, or securities convertible into shares of stock of any class, shall affect, and no adjustment by reason thereof
shall be made with respect to, the number or price of shares of Common Stock subject to an option. 
 (b) Dissolution or Liquidation.
In the event of the proposed dissolution or liquidation of the Company, the Offering Period then in progress shall be shortened by setting a new Exercise Date (the “New Exercise Date”), and shall terminate immediately prior to the
consummation of such proposed dissolution or liquidation, unless provided otherwise by the Administrator. The New Exercise Date shall be before the date of the Company’s proposed dissolution or liquidation. The Administrator shall notify each
participant in writing, at least ten (10) business days prior to the New Exercise Date, that the Exercise Date for the participant’s option has been changed to the New Exercise Date and that the participant’s option shall be exercised
automatically on the New Exercise Date, unless prior to such date the participant has withdrawn from the Offering Period as provided in Section 11 hereof. 
 (c) Merger or Change of Control. In the event of a merger or Change of Control, each outstanding option shall be assumed or an equivalent option substituted by the successor corporation or a Parent or
Subsidiary of the successor corporation. In the event that the successor corporation refuses to assume or substitute for the option, any Purchase Periods then in progress shall be shortened by setting a New Exercise Date and any Offering Periods
then in progress shall end on the New Exercise Date. The New Exercise Date shall be before the date of the Company’s proposed merger or Change of Control. The Administrator shall notify each participant in writing, at least ten
(10) business days prior to the New Exercise Date, that the Exercise Date for the participant’s option has been changed to the New Exercise Date and that the participant’s option shall be exercised automatically on the New Exercise
Date, unless prior to such date the participant has withdrawn from the Offering Period as provided in Section 11 hereof. 
 21.
Amendment or Termination. 
 (a) The Administrator may at any time and for any reason terminate or amend the Plan. Except as otherwise
provided in the Plan, no such termination can affect options previously granted, provided that an Offering Period may be terminated by the Administrator on any Exercise Date if the Administrator determines that the termination of the Offering Period
or the Plan is in the best interests of the Company and its shareholders. Except as provided in Section 20 and this Section 21 hereof, no amendment may make any change in any option theretofore granted which adversely affects the rights of
any participant. To the extent necessary to comply with Section 423 of the Code (or any successor rule or provision or any other applicable law, regulation or stock exchange rule), the Company shall obtain shareholder approval in such a manner
and to such a degree as required. 
 (b) Without shareholder consent and without regard to whether any participant rights may be considered
to have been “adversely affected,” the Administrator shall be entitled to 

  

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change the Offering Periods, limit the frequency and/or number of changes in the amount withheld during an Offering Period, establish the exchange ratio
applicable to amounts withheld in a currency other than U.S. dollars, permit payroll withholding in excess of the amount designated by a participant in order to adjust for delays or mistakes in the Company’s processing of properly completed
withholding elections, establish reasonable waiting and adjustment periods and/or accounting and crediting procedures to ensure that amounts applied toward the purchase of Common Stock for each participant properly correspond with amounts withheld
from the participant’s Compensation, and establish such other limitations or procedures as the Administrator determines in its sole discretion advisable which are consistent with the Plan. 
 (c) In the event the Administrator determines that the ongoing operation of the Plan may result in unfavorable financial accounting consequences, the
Board may, in its discretion and to the extent necessary or desirable, modify or amend the Plan to reduce or eliminate such accounting consequence including, but not limited to: 
 (i) increasing the Purchase Price for any Offering Period, including an Offering Period underway at the time of the change in Purchase Price; 

(ii) shortening any Offering Period so that Offering Period ends on a new Exercise Date, including an Offering Period underway at the time of the
Board action; and 
 (iii) allocating shares. 
 Such modifications or amendments shall not require stockholder approval or the consent of any Plan participants. 
 22.
Notices. All notices or other communications by a participant to the Company under or in connection with the Plan shall be deemed to have been duly given when received in the form and manner specified by the Company at the location, or by the
person, designated by the Company for the receipt thereof. 
 23. Conditions Upon Issuance of Shares. Shares shall not be issued with
respect to an option unless the exercise of such option and the issuance and delivery of such shares pursuant thereto comply with all applicable provisions of law, domestic or foreign, including, without limitation, the Securities Act of 1933, as
amended, the Securities Exchange Act of 1934, as amended, the rules and regulations promulgated thereunder, and the requirements of any stock exchange upon which the shares may then be listed, and shall be further subject to the approval of counsel
for the Company with respect to such compliance. 
 As a condition to the exercise of an option, the Company may require the person
exercising such option to represent and warrant at the time of any such exercise that the shares are being purchased only for investment and without any present intention to sell or distribute such shares if, in the opinion of counsel for the
Company, such a representation is required by any of the aforementioned applicable provisions of law. 
  

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 24. Term of Plan. The Plan shall become effective upon the earlier to occur of its adoption by the
Board of Directors or its approval by the shareholders of the Company. It shall continue in effect until terminated under Section 21 hereof. 
  

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