Neogen Corporation 2007 Stock Option Plan



 EXHIBIT 4.3 
 NEOGEN CORPORATION 2007 STOCK OPTION PLAN 
 NEOGEN CORPORATION 
 1. Definitions: As used herein, the following terms shall have the following meanings: 
 (a) “Code” shall mean the Internal Revenue Code of 1986, as amended, and the applicable rules and regulations thereunder. 
 (b) “Committee” shall mean, (i) with respect to administration of the Plan regarding Participants who are subject to Section 16(a)
and (b) of the Exchange Act, a committee meeting the standards of Rule 16b-3 of the Rules and Regulations under the Exchange Act, or any similar successor rule, appointed by the Board of Directors of the Company to perform any of the functions
and duties of the Committee under the Plan, or the Board of Directors as a whole, (ii) with respect to administration of the Plan regarding Participants whose compensation is subject to Section 162(m) of the Code, a committee comprised
solely of two or more “outside directors” (within the meaning of Treasury Regulation Section 1.162-27(e)(3) or any successor regulation or rule) appointed by the Board of Directors of the Company to perform any of the functions and
duties of the Committee under the Plan, or the Board of Directors as a whole, and (iii) with respect to administration of the Plan regarding all other Participants, such committee or the Board of Directors of the Company, as described in
clauses (i) or (ii), or such other committee or entity appointed by the Board of Directors of the Company to perform any of the functions and duties of the Committee under the Plan. 
 (c) “Common Shares” shall mean the Common Shares, $.16 par value, of the Company. 
 (d) “Company” shall mean Neogen Corporation, a Michigan corporation, or any successor thereof. 
 (e) “Discretion” shall mean the sole discretion of the Committee, with no requirement whatsoever that the Committee follow past practices, act
in a manner consistent with past practices, or treat any key employee, director, or consultant in a manner consistent with the treatment afforded other key employees, directors, or consultants with respect to the Plan or otherwise. 
 (f) “Exchange Act” shall mean the Securities Exchange Act of 1934, as amended, and the rules and regulations thereunder. 
 (g) “Incentive Option” shall mean an option to purchase Common Shares which meets the requirements set forth in the Plan and also is intended
to be, and qualifies as, an incentive stock option within the meaning of Section 422 of the Code. 
 (h) “Nonqualified Option”
shall mean an option to purchase Common Shares which meets the requirements set forth in the Plan but is not intended to be, or does not qualify as, an incentive stock option within the meaning of the Code. 
 (i) “Participant” shall mean any individual covered by Paragraph 11 or designated by the Committee under Paragraph 6 for participation in the
Plan. 
 (j) “Plan” shall mean this Neogen Corporation 2007 Stock Option Plan. 
 (k) “Securities Act” shall mean the Securities Act of 1933, as amended, and the rules and regulations thereunder. 
 (l) “Subsidiary” shall mean any corporation or other entity in which the Company has a direct or indirect ownership interest of 50% or more of
the total combined voting power of all classes of outstanding voting equity interests. 
 (m) “Outside Director” shall mean any
member of the Company’s Board of Directors who is not an employee of Neogen Corporation or any of its Subsidiaries. 
  

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 2. Purpose of Plan: The purpose of the Plan is to provide key employees (including officers), directors, and
consultants of the Company and its Subsidiaries with an increased incentive to make significant and extraordinary contributions to the long-term performance and growth of the Company and its Subsidiaries, to join the interests of key employees,
directors, and consultants with the interests of the shareholders of the Company, and to facilitate attracting and retaining key employees, directors, and consultants of exceptional ability. 
 3. Administration: The Plan shall be administered by the Committee. Subject to the provisions of the Plan, the Committee shall determine, from those eligible to
be Participants under the Plan, the persons to be granted stock options, the amount of stock to be optioned to each such person, the time such options shall be granted and the terms and conditions of any stock options. Such terms and conditions may,
in the Committee’s Discretion, include, without limitation, provisions providing for termination of the option, forfeiture of the gain on any option exercises or both if the Participant competes with the Company or otherwise acts contrary to
the Company’s interests, and provisions imposing restrictions, potential forfeiture or both on shares acquired upon exercise of options granted pursuant to this Plan. The Committee may condition any grant on the potential Participant’s
agreement to such terms and conditions. 
 Subject to the provisions of the Plan, the Committee is authorized to interpret the Plan, to
promulgate, amend and rescind rules and regulations relating to the Plan and to make all other determinations necessary or advisable for its administration. Interpretation and construction of any provision of the Plan by the Committee shall, unless
otherwise determined by the Board of Directors of the Company, be final and conclusive. A majority of the Committee shall constitute a quorum, and the acts of a majority of the members present at any meeting at which a quorum is present, or acts
approved in writing by a majority of the Committee, shall be the acts of the Committee. 
 4. Indemnification: In addition to such other rights of
indemnification as they may have, the members of the Committee shall be indemnified by the Company in connection with any claim, action, suit or proceeding relating to any action taken or failure to act under or in connection with the Plan or any
option granted hereunder to the full extent provided for under the Company’s articles of incorporation or bylaws with respect to indemnification of directors of the Company. 
 5. Maximum Number of Shares Subject to Plan: The maximum number of shares with respect to which stock options may be granted under the Plan shall be an aggregate of 1,000,000 Common Shares, which may consist in
whole or in part of authorized and unissued or reacquired Common Shares. Unless the Plan shall have been terminated, shares covered by the unexercised portion of canceled, expired or otherwise terminated options under the Plan shall again be
available for option and sale. 
 Subject to Paragraph 17, the number and type of shares subject to each outstanding stock option, the option
price with respect to outstanding stock options, the aggregate number and type of shares remaining available under the Plan, and the maximum number and type of shares that may be granted to any Participant in any fiscal year of the Company pursuant
to Paragraph 6, shall be adjusted by the Committee, as it deems appropriate to reflect such events as stock dividends, stock splits, recapitalizations, mergers, statutory share exchanges or reorganizations of or by the Company; provided that no
fractional shares shall be issued pursuant to the Plan, no rights may be granted under the Plan with respect to fractional shares, and any fractional shares resulting from such adjustments shall be eliminated from any outstanding option. Each
adjustment under this Paragraph 5 shall be made so that the aggregate exercise price of each Participant’s outstanding stock options after the adjustment is not less than the aggregate exercise price of such Participant’s outstanding stock
options before the adjustment. 
 6. Participants: Subject to Paragraph 11, the Committee shall determine and designate from time to time, in its
Discretion, those key employees (including officers), directors, and consultants of the Company or any Subsidiary to whom options are to be granted and who thereby become Participants under the Plan; provided, however, that (a) Incentive
Options shall be granted only to employees (as defined in the Code) of the Company or a subsidiary corporation (as defined in Section 424(f) of the Code) of the Company, to the extent required by Section 422 of the Code, or any successor
provision, and (b) no Participant may be granted stock options to purchase more than 100,000 Common Shares in the aggregate in any fiscal year of the Company, subject to any adjustments provided in the final paragraph of Paragraph 5 and in
Paragraph 17. All Common Shares covered by a stock option granted to a Participant shall be counted for purposes of the per-Participant share limitation of item (b) of the proviso in the immediately preceding sentence, regardless of whether the
Participant does not acquire the Common Shares due to cancellation, expiration or termination of the stock option or other event. 
  

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 7. Allotment of Shares: Subject to Paragraph 11, the Committee shall determine and fix the number of Common Shares
to be optioned to each Participant; provided that no Incentive Option may be granted under the Plan to any one Participant which would result in the aggregate fair market value, determined as of the date the option is granted, of the underlying
stock with respect to which Incentive Options are exercisable for the first time by such individual during any calendar year (under all of such plans of the Company and its parent and Subsidiary corporations) exceeding $100,000. 
 8. Option Price: Subject to the rules set forth in this Paragraph 8, the Committee, in its Discretion, shall establish the option price at the time any option is
granted. Such option price shall not be less than 100% of the fair market value of the stock on the date on which such option is granted; provided that with respect to an Incentive Option granted to an employee who at the time of the grant owns
(after applying the attribution rules of Section 424(d) of the Code) more than 10% of the total combined voting stock of the Company or of any parent or Subsidiary, the option price shall not be less than 110% of the fair market value of the
stock subject to the Incentive Option on the date such option is granted. Fair market value of a share shall be determined by the Committee and may be determined by using the closing sale price of the Company’s stock on any exchange or other
market on which the Common Shares shall be traded on the trading day of the option grant or the trading day before the option grant, or if there is no sale on either such date, the last sale price before the option grant. The option price will be
subject to adjustment in accordance with the provisions of Paragraphs 5 and 17 of the Plan. 
 9. Granting and Exercise of Options: The granting of
options under the Plan shall be effected in accordance with determinations made by the Committee pursuant to the provisions of the Plan, by execution of instruments in writing in form approved by the Committee. Such instruments shall constitute
binding contracts between the Company and the Participant. 
 Subject to the terms of the Plan, the Committee, in its Discretion, may grant
to Participants Incentive Options, Nonqualified Options or any combination thereof. Each option granted under the Plan shall designate the number of shares covered thereby, if any, with respect to which the option is an Incentive Option and the
number of shares covered thereby, if any, with respect to which the option is a Nonqualified Option. 
 Subject to the terms of the Plan,
each option granted under the Plan shall be exercisable at any such time or times or in any such installments as may be determined by the Committee in its Discretion and specified in the agreement or other written document relating to such option;
provided that the aggregate fair market value (determined as of the date the option is granted) of the underlying stock with respect to which Incentive Options are exercisable for the first time by such individual during any calendar year (under all
of such plans of the Company and its parent and Subsidiary corporations) shall not exceed $100,000. Except as provided in Paragraph 14, options may be exercised only while the Participant is an employee, director, or consultant of the Company or a
Subsidiary. 
 Notwithstanding any other term or provision of this Plan, but subject to the requirements of the Code with respect to
Incentive Options that are intended to remain Incentive Options, in connection with a Participant ceasing to be an employee of or a provider of services to the Company or a Subsidiary for any reason, the stock option agreement may provide for the
acceleration of, or the Committee may accelerate, in its Discretion (exercised at the date of the grant of the stock option or after the date of grant), in whole or in part, the time or times or installments with respect to which any option granted
under this Plan shall be exercisable in connection with termination of a Participant’s employment with or provision of services to the Company or a Subsidiary, subject to any restrictions, terms and conditions fixed by the Committee either at
the date of the award or at the date it exercises such Discretion, and provided that any acceleration is made within the original term of the option. 
 Successive stock options may be granted to the same Participant, whether or not the option or options previously granted to such Participant remain unexercised. A Participant may exercise any option granted under the
Plan, if then exercisable, notwithstanding that options granted to such Participant prior to the option then being exercised remain unexercised. 
 10.
Payment of Option Price: At the time of the exercise in whole or in part of any option granted under this Plan, payment in full in cash, or with the consent of the Committee, in its Discretion, in Common Shares shall be made by the
Participant for all shares so purchased. In the Discretion of, and subject to such conditions as may be established by, the Committee, payment of the option price may also be made by the Company retaining from the shares to be delivered upon
exercise of the stock option that number of shares having a fair market value on the date of exercise equal to the option price of the number of shares with respect to which the Participant exercises the option. In the Discretion of the Committee, a
Participant may exercise an option, if then exercisable, in whole or in part, by delivery to the Company of written notice of the exercise in such form as the Committee may prescribe, accompanied by irrevocable instructions to a stock broker to
promptly deliver to the Company full payment for the shares with respect to which the option is exercised from the proceeds of the stock broker’s sale of or loan against some or all of the shares. Such payment may also be made in such other
manner as the Committee determines is appropriate, in its Discretion. No Participant shall 

  

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have any of the rights of a shareholder of the Company under any option until the actual issuance of shares to such Participant, and prior to such issuance
no adjustment shall be made for dividends, distributions or other rights in respect of such shares, except as provided in Paragraphs 5 and 17. 
 11.
Automatic Stock Options: Notwithstanding other provisions of this Plan and to the extent shares are available for grant under the Plan, Outside Directors shall automatically be granted Non-qualified Stock Options on the terms described in
this Paragraph 11. 
 Each Outside Director of the Corporation shall automatically be granted a Nonqualified Stock Option to purchase 5,000
shares of Common Stock as of the date he or she is first elected or appointed to the Board of Directors. Each Outside Director of the Corporation who is re-elected to the Board of Directors shall automatically be granted a Nonqualified Stock Option
to purchase 2,000 shares of Common Stock on the date of each subsequent Annual Meeting of Shareholders if he or she remains Director following such Annual Meetings of Shareholders. 
 All options granted under this Paragraph 11 shall be exercisable in one-third cumulative annual installments beginning one year after the date of grant,
shall expire ten years after the date of grant and shall have an option price equal to 100% of the fair market value of the Company’s Common Stock on the date of grant. 
 12. Non-transferability of Options: No option granted under the Plan to a Participant shall be transferable by such Participant otherwise than by will or by the laws of descent and distribution, and each such
option shall be exercisable, during the lifetime of the Participant, only by the Participant. 
 13. Continuance of Employment; No Right to Continued
Employment: The Committee may require, in its Discretion, that any Participant under the Plan to whom an option shall be granted shall agree in writing as a condition of the granting of such option to remain in his or her position as an
employee, director, or consultant of the Company or a Subsidiary for a designated minimum period from the date of the granting of such option as shall be fixed by the Committee. 
 Nothing contained in the Plan or in any option granted pursuant to the Plan, nor any action taken by the Committee hereunder, shall confer upon any
Participant any right with respect to continuation of employment, or other service by or to the Company or a Subsidiary nor interfere in any way with the right of the Company or a Subsidiary to terminate such person’s employment, or other
service at any time. 
 14. Termination of Employment; Expiration of Options: Subject to the other provisions of the Plan, including, without
limitation, Paragraph 17 and this Paragraph 14, all rights to exercise options shall terminate when a Participant ceases to be an employee, director, or consultant of the Company or a Subsidiary for any cause, except that the Committee may, in its
Discretion, permit the exercise of all or any portion of the options granted to such Participant 
 (i) for a period not to exceed three
months following such termination with respect to Incentive Options that are intended to remain Incentive Options if such termination is not due to death or permanent disability of the Participant, 
 (ii) for a period not to exceed one year following termination of employment with respect to Incentive Options that are intended to remain Incentive
Options if termination of employment is due to the death or permanent disability of the Participant, and 
 (iii) for a period not to extend
beyond the expiration date with respect to Nonqualified Options or Incentive Options that are not intended to remain Incentive Options, 
 all subject to any
restrictions, terms and conditions fixed by the Committee either at the date of the award or at the date it exercises such Discretion. In no event, however, shall an option be exercisable after its expiration date, and, unless the Committee in its
Discretion determines otherwise (pursuant to Paragraphs 9 or 17), an option may only be exercised after termination of a Participant’s employment or other service by or to the Company to the extent exercisable on the date of such termination or
to the extent exercisable as a result of the reason for such termination. The Committee may evidence the exercise of its Discretion under this Paragraph 14 in any manner it deems appropriate, including by written resolution or by a written provision
in, or written amendment to, the option. 
 If not sooner terminated, each stock option granted under the Plan shall expire not more than 10
years from the date of the granting thereof; provided that with respect to an Incentive Option granted to an employee who at the time of the grant owns (after applying the attribution rules of Section 424(d) of the Code) more than 10% of the
total combined voting stock of the Company or any parent or subsidiary, such option shall expire not more than 5 years after the date of granting thereof. 
  

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 15. Investment Purpose: If the Committee in its Discretion determines that as a matter of law such procedure is or
may be desirable, it may require a Participant, upon any exercise of any option granted under the Plan or any portion thereof and as a condition to the Company’s obligation to deliver certificates representing the shares subject to exercise, to
execute and deliver to the Company a written statement, in form satisfactory to the Committee, representing and warranting that the Participant’s purchase of Common Shares upon exercise thereof shall be for such person’s own account, for
investment and not with a view to the resale or distribution thereof and that any subsequent sale or offer for sale of any such shares shall be made either pursuant to (a) a Registration Statement on an appropriate form under the Securities
Act, which Registration Statement has become effective and is current with respect to the shares being offered and sold, or (b) a specific exemption from the registration requirements of the Securities Act, but in claiming such exemption the
Participant shall, prior to any offer for sale or sale of such shares, obtain a favorable written opinion from counsel for or approved by the Company as to the availability of such exemption. The Company may endorse an appropriate legend referring
to the foregoing restriction upon the certificate or certificates representing any shares issued or transferred to the Participant upon exercise of any option granted under the Plan. 
 16. Withholding Payments: If upon the exercise of any Nonqualified Option or a disqualifying disposition (within the meaning of Section 422 of the Code) of shares acquired upon exercise of an Incentive
Option, there shall be payable by the Company or a Subsidiary any amount for income tax withholding, in the Committee’s Discretion, either the Participant shall pay such amount to the Company, or the amount of Common Shares delivered by the
Company to the Participant shall be appropriately reduced, to reimburse the Company or such Subsidiary for such payment. The Company or any of its Subsidiaries shall have the right to withhold the amount of such taxes from any other sums or property
due or to become due from the Company or any of its Subsidiaries to the Participant upon such terms and conditions as the Committee shall prescribe. The Company may also defer issuance of the stock upon exercise of such option until payment by the
Participant to the Company of the amount of any such tax. The Committee may, in its Discretion, permit Participants to satisfy such withholding obligations, in whole or in part, by electing to have the amount of Common Shares delivered or
deliverable by the Company upon exercise of a stock option appropriately reduced, or by electing to tender Common Shares back to the Company subsequent to exercise of a stock option to reimburse the Company or such Subsidiary for such income tax
withholding, subject to such rules and regulations, if any, as the Committee may adopt. The Committee may make such other arrangements with respect to income tax withholding as it shall determine. 
 17. Extraordinary Transactions: In case the Company (i) consolidates with or merges into any other corporation or other entity and is not the continuing or
surviving entity of such consolidation or merger, or (ii) permits any other corporation or other entity to consolidate with or merge into the Company and the Company is the continuing or surviving entity but, in connection with such
consolidation or merger, the Common Shares are changed into or exchanged for stock or other securities of any other corporation or other entity or cash or any other assets, or (iii) transfers all or substantially all of its properties and
assets to any other corporation or other person or entity, or (iv) dissolves or liquidates, or (v) effects a capital reorganization or reclassification in such a way that holders of Common Shares shall be entitled to receive stock,
securities, cash or other assets with respect to or in exchange for the Common Shares, then, and in each such case, proper provision shall be made so that, each Participant holding a stock option upon the exercise of such option at any time after
the consummation of such consolidation, merger, transfer, dissolution, liquidation, reorganization or reclassification (each transaction, for purposes of this Paragraph 17, being herein called a “Transaction”), shall be entitled to receive
(at the aggregate option price in effect for all Common Shares issuable to the Participant upon such exercise immediately prior to such consummation and as adjusted to the time of such Transaction), in lieu of Common Shares issuable upon such
exercise prior to such consummation, the stock and other securities, cash and assets to which such Participant would have been entitled upon such consummation if such Participant had so exercised such stock option in full immediately prior thereto
(subject to adjustments subsequent to such Transaction provided for in Paragraph 5). 
 Notwithstanding anything in the Plan to the contrary,
in connection with any Transaction and effective as of a date selected by the Committee, which date shall, in the Committee’s judgment, be far enough in advance of the Transaction to permit Participants holding stock options to exercise their
options and participate in the Transaction as a holder of Common Shares, the Committee, acting in its Discretion without the consent of any Participant, may effect one or more of the following alternatives with respect to all of the outstanding
stock options (which alternatives may be made conditional on the occurrence of the applicable Transaction and which may, if permitted by law, vary among individual Participants): (a) accelerate the time at which stock options then outstanding
may be exercised so that such stock options may be exercised in full for a limited period of time on or before a specified date fixed by the Committee after which specified date all unexercised stock options and all rights of Participants thereunder
shall terminate; (b) accelerate the time at which stock options then outstanding may be exercised so that such stock options may be exercised in full for their then remaining term; or (c) require the mandatory surrender to the Company of
outstanding stock options held by such Participants (irrespective of whether such stock options are then exercisable) as of a date, before or not later than sixty days after such Transaction, specified by the Committee, and in such event the Company
shall thereupon cancel such stock options and shall pay to each Participant an amount of cash equal to the excess of the fair market value of the aggregate Common Shares subject to such 
  

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 stock option, determined as of the date such Transaction is effective, over the aggregate option price of such shares,
less any applicable withholding taxes; provided, however, the Committee shall not select an alternative (unless consented to by the Participant) such that, if a Participant exercised his or her accelerated stock option pursuant to alternative
(a) or (b) and participated in the Transaction or received cash pursuant to alternative (c), the alternative would result in the Participant’s owing any money by virtue of the operation of Section 16(b) of the Exchange Act. If
all such alternatives have such a result, the Committee shall, in its Discretion, take such action to put such Participant in as close to the same position as such Participant would have been in had alternative (a), (b) or (c) been
selected but without resulting in any payment by such Participant pursuant to Section 16(b) of the Exchange Act. The gross amount payable to a Participant under alternative (c) shall not be greater than the excess of the fair market value
of the aggregate Common Shares subject to the Participant’s canceled stock option(s) determined on the cancellation date over the aggregate exercise price of such stock option(s). Any amount payable to a Participant under alternative
(c) shall be paid within 15 days of the later of the date the Transaction is effective or the date of the Company’s cancellation of the Participant’s stock options. Notwithstanding the foregoing, with the consent of affected
Participants, each with respect to such Participant’s option only, the Committee may in lieu of the foregoing make such provision with respect to any Transaction as it deems appropriate. 
 18. Effectiveness of Plan: This Plan shall be effective on the date the Board of Directors of the Company adopts this Plan, provided that the shareholders of the
Company approve the Plan within 12 months after its adoption by the Board of Directors. Options may be granted before shareholder approval of this Plan, but each such option shall be subject to shareholder approval of this Plan. No option granted
under this Plan shall be exercisable unless and until this Plan shall have been approved by the Company’s shareholders. 
 19. Termination, Duration
and Amendments to the Plan: The Plan may be abandoned or terminated at any time by the Board of Directors of the Company. Unless sooner terminated, the Plan shall terminate on the date ten years after the earlier of its adoption by the Board of
Directors or its approval by the shareholders of the Company, and no stock options may be granted under the Plan thereafter. The termination of the Plan shall not affect the validity of any option which is outstanding on the date of termination.

 For the purpose of conforming to any changes in applicable law or governmental regulations, or for any other lawful purpose, the Board of
Directors shall have the right, with or without approval of the shareholders of the Company, to amend or revise the terms of this Plan or any option agreement under this Plan at any time; provided, however, that (i) to the extent required by
Section 162(m) of the Code and related regulations, or any successor rule, but only with respect to amendments or revisions affecting Participants whose compensation is subject to Section 162(m) of the Code, and to the extent required by
Section 422 of the Code, or any successor section, but only with respect to Incentive Options, no such amendment or revision shall increase the maximum number of shares in the aggregate which are subject to this Plan or which may be granted to
any Participant during any fiscal year of the Company (subject, however, to the provisions of Paragraphs 5 and 17) without the approval or ratification of the shareholders of the Company, and (ii) no such amendment or revision shall change the
option price (except as contemplated by Paragraphs 5 and 17) or alter or impair any option which shall have been previously granted under this Plan, in a manner adverse to a Participant, without the consent of such Participant. 
 20. Section 409A of the Code: Notwithstanding any other provision of the Plan, no stock option granted under the Plan shall have any terms or features
(including, without limitation, terms or features relating to the time of or events triggering vesting, method of exercise or payment of withholding tax, method of settlement, form and timing of consideration payable in settlement, or deferral or
other elections), whether at the time of grant or subsequent to the time of grant, that would cause the stock option to be nonqualified deferred compensation that fails to comply with the requirements under Section 409A of the Code and the
guidance and regulations issued thereunder. Moreover, notwithstanding any other provision of the Plan, no action may be taken by the Committee or the Board under or in respect of the Plan (including, without limitation, Plan amendments under
Paragraph 19 or adjustments under Paragraphs 5 or 17) that would cause the Plan or any stock option granted under the Plan to be a nonqualified deferred compensation plan that fails to comply with the requirements of Section 409A of the Code
and the guidance and regulations issued thereunder. 
 As adopted by the Board of Directors on August 31, 2007. 
  

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