Document:

CYTYC CORPORATION 1998 STOCK  PLAN OF PRO DUCT HEALTH,INC.

 Exhibit 10.6 
 PRO.DUCT HEALTH, INC. 
 1998 STOCK PLAN* 
 1. Purposes of the Plan. The purposes of this 1998 Stock Plan are to attract and retain the best available personnel for positions of substantial
responsibility, to provide additional incentive to Employees and Consultants of the Company and its Subsidiaries and to promote the success of the Company’s business. Options granted under the Plan may be Incentive Stock Options (as defined
under Section 422 of the Code) or Nonstatutory Stock Options, as determined by the Administrator at the time of grant of an option and subject to the applicable provisions of Section 422 of the Code, as amended, and the regulations
promulgated thereunder. Stock purchase rights may also be granted under the Plan. 
 2. Definitions. As used herein, the following
definitions shall apply: 
 (a) “Administrator” means the Board or any of its Committees appointed pursuant
to Section 4 of the Plan. 
 (b) “Board” means the Board of Directors of the Company. 
 (c) “Code” means the Internal Revenue Code of 1986, as amended. 
 (d) “Committee” means the Committee appointed by the Board of Directors in accordance with Section 4(a) and
(b) of the Plan. 
 (e) “Common Stock” means the Common Stock of the Company. 
 (f) “Company” means Pro.Duct Health, Inc., a Delaware corporation. 
 (g) “Consultant” means any person, including an advisor, who is engaged by the Company or any Parent or Subsidiary to
render services and is compensated for such services, and any director of the Company whether compensated for such services or not. 
 (h) “Continuous Status as an Employee or Consultant” means the absence of any interruption or termination of service as an Employee or Consultant. Continuous Status as an Employee or Consultant shall not be considered
interrupted in the case of: (i) sick leave; (ii) military leave; (iii) any other leave of absence approved by the Administrator, provided that such leave is for a period of not more than 90 days, unless reemployment upon the
expiration of such leave is guaranteed by contract or statute, or unless provided otherwise pursuant to Company policy adopted from time to time; or (iv) in the case of transfers between locations of the Company or between the Company, its
Subsidiaries or their respective successors. For purposes of this Plan, a change in status from an Employee to a Consultant or from a Consultant to an Employee will not constitute an interruption of Continuous Status as an Employee or Consultant.

	*	See Exhibit A attached hereto for all amendments to the 1998 Stock Plan. 

 (i) “Employee” means any person, including officers and directors,
employed by the Company or any Parent or Subsidiary of the Company, with the status of employment determined based upon such minimum number of hours or periods worked as shall be determined by the Administrator in its discretion, subject to any
requirements of the Code. The payment by the Company of a director’s fee to a director shall not be sufficient to constitute “employment” of such director by the Company. 
 (j) “Exchange Act” means the Securities Exchange Act of 1934, as amended. 
 (k) “Fair Market Value” means, as of any date, the fair market 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
National Market of the National Association of Securities Dealers, Inc. Automated Quotation (“Nasdaq”) System, 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 system or exchange, or the exchange with the greatest volume of trading in Common Stock for the last market trading day prior to the time of determination, as reported in The Wall Street Journal or such other source as the
Administrator deems reliable; 
 (ii) If the Common Stock is quoted on the Nasdaq System (but not on the National Market
thereof) or regularly quoted by a recognized securities dealer but selling prices are not reported, its Fair Market Value shall be the mean between the high bid and low asked prices for the Common Stock for the last market trading day prior to the
time of determination, as reported in The Wall Street Journal or such other source as the Administrator deems reliable; or 
 (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 Administrator. 
 (l) “Incentive Stock Option” means an Option intended to qualify as an incentive stock option within the meaning of
Section 422 of the Code, as designated in the applicable written Option Agreement. 
 (m) “Nonstatutory Stock
Option” means an Option not intended to qualify as an Incentive Stock Option, as designated in the applicable written Option Agreement. 
 (n) “Option” means a stock option granted pursuant to the Plan. 
 (o)
“Option Agreement” means a written agreement between an Optionee and the Company reflecting the terms of an Option granted under the Plan and includes any documents attached to such Option Agreement, including, but not limited to, a
notice of stock option grant and a form of exercise notice. 
 (p) “Optioned Stock” means the Common Stock
subject to an Option or a Stock Purchase Right. 
 (q) “Optionee” means an Employee or Consultant who
receives an Option or a Stock Purchase Right. 
  

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 (r) “Parent” means a “parent corporation,” whether now or
hereafter existing, as defined in Section 424(e) of the Code, or any successor provision. 
 (s) “Plan”
means this 1998 Stock Plan. 
 (t) “Reporting Person” means an officer, director, or greater than 10%
stockholder of the Company within the meaning of Rule 16a-2 under the Exchange Act, who is required to file reports pursuant to Rule 16a-3 under the Exchange Act. 
 (u) “Restricted Stock” means shares of Common Stock acquired pursuant to a grant of a Stock Purchase Right under
Section 10 below. 
 (v) “Restricted Stock Purchase Agreement” means a written agreement between a
holder of a Stock Purchase Right and the Company reflecting the terms of a Stock Purchase Right granted under the Plan and includes any documents attached to such agreement. 
 (w) “Rule 16b-3” means Rule 16b-3 promulgated under the Exchange Act, as the same may be amended from time to time, or
any successor provision. 
 (x) “Share” means a share of the Common Stock, as adjusted in accordance with
Section 12 of the Plan. 
 (y) “Stock Exchange” means any stock exchange or consolidated stock price
reporting system on which prices for the Common Stock are quoted at any given time. 
 (z) “Stock Purchase
Right” means the right to purchase Common Stock pursuant to Section 10 below. 
 (aa)
“Subsidiary” means a “subsidiary corporation,” whether now or hereafter existing, as defined in Section 424(f) of the Code, or any successor provision. 
 3. Stock Subject to the Plan. Subject to the provisions of Section 12 of the Plan, the maximum aggregate number of Shares that may be
optioned and sold under the Plan is 2,927,300 shares of Common Stock. The Shares may be authorized, but unissued, or reacquired Common Stock. If an Option should expire or become unexercisable for any reason without having been exercised in full,
the unpurchased Shares that were subject thereto shall, unless the Plan shall have been terminated, become available for future grant under the Plan. In addition, any Shares of Common Stock which are retained by the Company upon exercise of an
Option or Stock Purchase Right in order to satisfy the exercise or purchase price for such Option or Stock Purchase Right or any withholding taxes due with respect to such exercise shall be treated as not issued and shall continue to be available
under the Plan. If Shares of Restricted Stock are repurchased by the Company, such Shares shall become available for future grant under the Plan. Notwithstanding the provisions of this Section 3, no Shares may again be optioned, granted or
awarded if such action would cause an Incentive Stock Option to fail to qualify as an Incentive Stock Option under Code Section 422. 
 4. Administration of the Plan. 
 (a) Initial Plan Procedure. Prior to the date, if any, upon which the
Company becomes subject to the Exchange Act, the Plan shall be administered by the Board or a Committee appointed by the Board. 
  

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 (b) Plan Procedure After the Date, if any, Upon Which the Company Becomes Subject to
the Exchange Act. 
 (i) Multiple Administrative Bodies. If permitted by Rule 16b-3, grants under the Plan may be
made by different bodies with respect to directors, non-director officers and Employees or Consultants who are not Reporting Persons. 
 (ii) Administration With Respect to Reporting Persons. With respect to grants of Options or Stock Purchase Rights to Employees who are Reporting Persons, such grants shall be made by (A) the Board if the
Board may make grants to Reporting Persons under the Plan in compliance with Rule 16b-3, or (B) a Committee designated by the Board to make grants to Reporting Persons under the Plan, which Committee shall be constituted in such a manner as to
permit grants under the Plan to comply with Rule 16b-3. Once appointed, such Committee shall continue to serve in its designated capacity until otherwise directed by the Board. From time to time the Board may increase the size of the Committee and
appoint additional members thereof, remove members (with or without cause) and appoint new members in substitution therefor, fill vacancies, however caused, and remove all members of the Committee and thereafter directly make grants to Reporting
Persons under the Plan, all to the extent permitted by Rule 16b-3. 
 (iii) Administration With Respect to Consultants and
Other Employees. With respect to grants of Options or Stock Purchase Rights to Employees or Consultants who are not Reporting Persons, the Plan shall be administered by (A) the Board or (B) a Committee designated by the Board, which
Committee shall be constituted in such a manner as to satisfy the legal requirements relating to the administration of Incentive Stock Option plans, if any, of applicable corporate and securities laws, of the Code and of any applicable Stock
Exchange (the “Applicable Laws”). Once appointed, such Committee shall continue to serve in its designated capacity until otherwise directed by the Board. From time to time the Board may increase the size of the Committee and
appoint additional members thereof, remove members (with or without cause) and appoint new members in substitution therefor, fill vacancies, however caused, and remove all members of the Committee and thereafter directly administer the Plan, all to
the extent permitted by the Applicable Laws. 
 (c) Powers of the Administrator. Subject to the provisions of the Plan
and in the case of a Committee, the specific duties delegated by the Board to such Committee, and subject to the approval of any relevant authorities, including the approval, if required, of any Stock Exchange, the Administrator shall have the
authority, in its discretion: 
 (i) to determine the Fair Market Value of the Common Stock, in accordance with
Section 2(k) of the Plan; 
 (ii) to select the Consultants and Employees to whom Options and Stock Purchase Rights or
any combination thereof may from time to time be granted hereunder; 
 (iii) to determine whether and to what extent Options
and Stock Purchase Rights or any combination thereof are granted hereunder; 
 (iv) to determine the number of shares of
Common Stock to be covered by each such award granted hereunder; 
 (v) to approve forms of agreement for use under the Plan;

  

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 (vi) to determine the terms and conditions, not inconsistent with the terms of the Plan,
of any award granted hereunder; 
 (vii) to determine whether and under what circumstances an Option may be settled in cash
under Section 9(f) instead of Common Stock; 
 (viii) to reduce the exercise price of any Option to the then current Fair
Market Value if the Fair Market Value of the Common Stock covered by such Option shall have declined since the date the Option was granted; 
 (ix) to determine the terms and restrictions applicable to Stock Purchase Rights and the Restricted Stock purchased by exercising such Stock Purchase Rights; and 
 (x) to construe and interpret the terms of the Plan and awards granted pursuant to the Plan; and 
 (xi) in order to fulfill the purposes of the Plan and without amending the Plan, to modify grants of Options or Stock Purchase Rights to
participants who are foreign nationals or employed outside of the United States in order to recognize differences in local law, tax policies or customs. 
 (d) Effect of Administrator’s Decision. All decisions, determinations and interpretations of the Administrator shall be final and binding on all holders of Options or Stock Purchase Rights. 
 5. Eligibility. 
 (a)
Recipients of Grants. Nonstatutory Stock Options and Stock Purchase Rights may be granted to Employees and Consultants. Incentive Stock Options may be granted only to Employees. An Employee or Consultant who has been granted an Option or
Stock Purchase Right may, if he or she is otherwise eligible, be granted additional Options or Stock Purchase Rights. 
 (b)
Type of Option. Each Option shall be designated in the Option Agreement as either an Incentive Stock Option or a Nonstatutory Stock Option. However, notwithstanding such designations, to the extent that the aggregate Fair Market Value of
Shares with respect to which Options designated as Incentive Stock Options are exercisable for the first time by any Optionee during any calendar year (under all plans of the Company or any Parent or Subsidiary) exceeds $100,000, such excess Options
shall be treated as Nonstatutory Stock Options. For purposes of this Section 5(b), Incentive Stock Options shall be taken into account in the order in which they were granted, and the Fair Market Value of the Shares subject to an Incentive
Stock Option shall be determined as of the date of the grant of such Option. 
 (c) The Plan shall not confer upon the holder
of any Option or Stock Purchase Right any right with respect to continuation of employment or consulting relationship with the Company, nor shall it interfere in any way with such holder’s right or the Company’s right to terminate his or
her employment or consulting relationship at any time, with or without cause. 
 6. 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 stockholders of the Company as described in Section 19 of the Plan. It shall continue in effect for a term of ten years unless sooner terminated under
Section 15 of the Plan. 
  

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 7. Term of Option. The term of each Option shall be the term stated in the Option Agreement;
provided, however, that the term shall be no more than ten years from the date of grant thereof or such shorter term as may be provided in the Option Agreement and provided further that, in the case of an Incentive Stock Option granted to an
Optionee who, at the time the Option is granted, owns stock representing more than 10% of the total combined voting power of all classes of stock of the Company or any Parent or Subsidiary, the term of the Option shall be five years from the date of
grant thereof or such shorter term as may be provided in the Option Agreement. 
 8. Option Exercise Price and Consideration.

 (a) The per share exercise price for the Shares to be issued pursuant to exercise of an Option shall be such price as is
determined by the Board and set forth in the applicable agreement, but shall be subject to the following: 
 (i) In the case
of an Incentive Stock Option that is: 
 (A) granted to an Employee who, at the time of the grant of such Incentive Stock
Option, owns stock representing more than 10% of the total combined voting power of all classes of stock of the Company or any Parent or Subsidiary, the per Share exercise price shall be no less than 110% of the Fair Market Value per Share on the
date of grant. 
 (B) granted to any other Employee, the per Share exercise price shall be no less than 100% of the Fair
Market Value per Share on the date of grant. 
 (ii) In the case of a Nonstatutory Stock Option that is: 
 (A) granted to a person who, at the time of the grant of such Option, owns stock representing more than 10% of the total combined voting
power of all classes of stock of the Company or any Parent or Subsidiary, the per Share exercise price shall be no less than 110% of the Fair Market Value per Share on the date of the grant. 
 (B) granted to any person, the per Share exercise price shall be no less than 85% of the Fair Market Value per Share on the date of
grant. 
 (b) The consideration to be paid for the Shares to be issued upon exercise of an Option, including the method of
payment, shall be determined by the Administrator (and, in the case of an Incentive Stock Option, shall be determined at the time of grant) and may consist entirely of (1) cash, (2) check, (3) promissory note (subject to the
provisions of Section 153 of the Delaware General Corporation Law), (4) other Shares that (x) in the case of Shares acquired upon exercise of an Option, have been owned by the Optionee for more than six months on the date of surrender
or such other period as may be required to avoid a charge to the Company’s earnings, and (y) have a Fair Market Value on the date of surrender equal to the aggregate exercise price of the Shares as to which such Option shall be exercised,
(5) authorization for the Company to retain from the total number of Shares as to which the Option is exercised that number of Shares having a Fair Market Value on the date of exercise equal to the exercise price for the total number of Shares
as to which the Option is exercised, (6) delivery of a properly executed exercise notice together with such other documentation as the Administrator and the broker, if applicable, shall require to effect an exercise of the Option and delivery
to the Company of the 

  

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sale or loan proceeds required to pay the exercise price and any applicable income or employment taxes, (7) delivery of an irrevocable subscription
agreement for the Shares that irrevocably obligates the option holder to take and pay for the Shares not more than twelve months after the date of delivery of the subscription agreement, (8) any combination of the foregoing methods of payment,
or (9) such other consideration and method of payment for the issuance of Shares to the extent permitted under the Applicable Laws. In making its determination as to the type of consideration to accept, the Administrator shall consider if
acceptance of such consideration may be reasonably expected to benefit the Company. 
 9. Exercise of Option. 
 (a) Procedure for Exercise; Rights as a Stockholder. Any Option granted hereunder shall be exercisable at such times and under such
conditions as determined by the Administrator and reflected in the Option Agreement, which may include vesting requirements and/or performance criteria with respect to the Company and/or the Optionee; provided, however, that such Option shall become
exercisable at the rate of at least 20% per year over five years from the date the Option is granted. In the event that any of the Shares issued upon exercise of an Option should be subject to a right of repurchase in the Company’s favor,
such repurchase right shall lapse at the rate of at least 20% per year over five years from the date the Option is granted. Notwithstanding the above, in the case of an Option granted to an officer, director or Consultant of the Company or any
Parent or Subsidiary of the Company, the Option may become fully exercisable, and a repurchase right, if any, in favor of the Company shall lapse, at any time or during any period established by the Administrator. 
 An Option may not be exercised for a fraction of a Share. 
 An Option shall be deemed to be exercised when written notice of such exercise has been given to the Company in accordance with the terms of the Option by the person entitled to exercise the Option and the Company has
received full payment for the Shares with respect to which the Option is exercised. Full payment may, as authorized by the Board, consist of any consideration and method of payment allowable under Section 8(b) of the Plan. Until the issuance
(as evidenced by the appropriate entry on the books of the Company or of a duly authorized transfer agent of the Company) of the stock certificate evidencing such Shares, no right to vote or receive dividends or any other rights as a stockholder
shall exist with respect to the Optioned Stock, not withstanding the exercise of the Option. The Company shall issue (or cause to be issued) such stock certificate promptly upon exercise of the Option. No adjustment will be made for a dividend or
other right for which the record date is prior to the date the stock certificate is issued, except as provided in Section 12 of the Plan. 
 Exercise of an Option in any manner shall result in a decrease in the number of Shares that thereafter may be available, both for purposes of the Plan and for sale under the Option, by the number of Shares as to which the Option is
exercised. 
 (b) Termination of Employment or Consulting Relationship. Subject to Section 9(c) below, in the
event of termination of an Optionee’s Continuous Status as an Employee or Consultant with the Company, such Optionee may, but only within three months (or such other period of time not less than 30 days as is determined by the Administrator,
with such determination in the case of an Incentive Stock Option being made at the time of grant of the Option and not exceeding three months) after the date of such termination (but in no event later than the expiration date of the term of such
Option as set forth in the Option Agreement), exercise his or her Option to the extent that the Optionee was entitled to exercise it at the date of such termination. To the extent that the Optionee was not entitled to exercise the Option at the date
of such termination, or if the Optionee does not exercise such Option to the extent so entitled within the time specified herein, the Option shall terminate. No 

  

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termination shall be deemed to occur and this Section 9(b) shall not apply if (i) the Optionee is a Consultant who becomes an Employee, or
(ii) the Optionee is an Employee who becomes a Consultant. 
 (c) Disability of Optionee. 
 (i) Notwithstanding Section 9(b) above, in the event of termination of an Optionee’s Continuous Status as an Employee or
Consultant as a result of his or her total and permanent disability (within the meaning of Section 22(e)(3) of the Code), such Optionee may, but only within twelve months from the date of such termination (but in no event later than the
expiration date of the term of such Option as set forth in the Option Agreement), exercise the Option to the extent otherwise entitled to exercise it at the date of such termination. To the extent that the Optionee was not entitled to exercise the
Option at the date of termination, or if the Optionee does not exercise such Option to the extent so entitled within the time specified herein, the Option shall terminate. 
 (ii) In the event of termination of an Optionee’s Continuous Status as an Employee or Consultant as a result of a disability which
does not fall within the meaning of total and permanent disability (as set forth in Section 22(e)(3) of the Code), such Optionee may, but only within six months from the date of such termination (but in no event later than the expiration date
of the term of such Option as set forth in the Option Agreement), exercise the Option to the extent otherwise entitled to exercise it at the date of such termination. However, to the extent that such Optionee fails to exercise an Option which is an
Incentive Stock Option (“ISO”) (within the meaning of Section 422 of the Code) within three months of the date of such termination, the Option will not qualify for ISO treatment under the Code. To the extent that the Optionee
was not entitled to exercise the Option at the date of termination, or if the Optionee does not exercise such Option to the extent so entitled within six months from the date of termination, the Option shall terminate. 
 (d) Death of Optionee. In the event of the death of an Optionee during the period of Continuous Status as an Employee or Consultant
since the date of grant of the Option, or within 30 days following termination of the Optionee’s Continuous Status as an Employee or Consultant, the Option may be exercised, at any time within six months following the date of death (but in no
event later than the expiration date of the term of such Option as set forth in the Option Agreement), by such Optionee’s estate or by a person who acquired the right to exercise the Option by bequest or inheritance, but only to the extent of
the right to exercise that had accrued at the date of death or, if earlier, the date of termination of the Optionee’s Continuous Status as an Employee or Consultant. To the extent that the Optionee was not entitled to exercise the Option at the
date of death or termination, as the case may be, or if the Optionee does not exercise such Option to the extent so entitled within the time specified herein, the Option shall terminate. 
 (e) Rule 16b-3. Options granted to Reporting Persons shall comply with Rule 16b-3 and shall contain such additional conditions or
restrictions as may be required thereunder to qualify for the maximum exemption for Plan transactions. 
 10. Stock Purchase Rights.

 (a) Rights to Purchase. Stock Purchase Rights may be issued either alone, in addition to, or in tandem with other
awards granted under the Plan and/or cash awards made outside of the Plan. After the Administrator determines that it will offer Stock Purchase Rights under the Plan, it shall advise the offeree in writing of the terms, conditions and restrictions
related to the offer, including the number of Shares that such person shall be entitled to purchase, the price to be paid (which price shall not be less than 85% of the Fair Market Value of the Shares as of the date of the offer, or, in the 

  

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case of a person owning stock representing more than 10% of the total combined voting power of all classes of stock of the Company or any Parent or
Subsidiary, the price shall not be less than 100% of the Fair Market Value of the Shares as of the date of the offer), and the time within which such person must accept such offer, which shall in no event exceed 30 days from the date upon which the
Administrator made the determination to grant the Stock Purchase Right. The offer shall be accepted by execution of a Restricted Stock Purchase Agreement in the form determined by the Administrator. 
 (b) Repurchase Option. Unless the Administrator determines otherwise, the Restricted Stock Purchase Agreement shall grant the
Company a repurchase option exercisable upon the voluntary or involuntary termination of the purchaser’s employment with the Company for any reason (including death or disability). The purchase price for Shares repurchased pursuant to the
Restricted Stock Purchase Agreement shall be the original purchase price paid by the purchaser and may be paid by cancellation of any indebtedness of the purchaser to the Company. The repurchase option shall lapse at such rate as the Administrator
may determine; provided, however, that with respect to an Optionee who is not an officer, director or Consultant of the Company or of any Parent or Subsidiary of the Company, it shall lapse at a minimum rate of 20% per year. 
 (c) Other Provisions. The Restricted Stock Purchase Agreement shall contain such other terms, provisions and conditions not
inconsistent with the Plan as may be determined by the Administrator in its sole discretion. In addition, the provisions of Restricted Stock Purchase Agreements need not be the same with respect to each purchaser. 
 (d) Rights as a Stockholder. Once the Stock Purchase Right is exercised, the purchaser shall have the rights equivalent to those of
a stockholder, and shall be a stockholder when his or her purchase is entered upon the records of the duly authorized transfer agent of the Company. No adjustment will be made for a dividend or other right for which the record date is prior to the
date the Stock Purchase Right is exercised, except as provided in Section 12 of the Plan. 
 11. Stock Withholding to Satisfy
Withholding Tax Obligations. At the discretion of the Administrator, Optionees may satisfy withholding obligations as provided in this paragraph. When an Optionee incurs tax liability in connection with an Option or Stock Purchase Right, which
tax liability is subject to tax withholding under applicable tax laws, and the Optionee is obligated to pay the Company an amount required to be withheld under applicable tax laws, the Optionee may satisfy the withholding tax obligation by one or
some combination of the following methods: (a) by cash or check payment, or (b) out of the Optionee’s current compensation, (c) if permitted by the Administrator, in its discretion, by surrendering to the Company Shares that
(i) in the case of Shares previously acquired from the Company, have been owned by the Optionee for more than six months on the date of surrender, and (ii) have a fair market value on the date of surrender equal to or less than the
Optionee’s marginal tax rate times the ordinary income recognized, or (d) by electing to have the Company withhold from the Shares to be issued upon exercise of the Option, or the Shares to be issued in connection with the Stock Purchase
Right, if any, that number of Shares having a fair market value equal to the amount required to be withheld. For this purpose, the fair market value of the Shares to be withheld shall be determined on the date that the amount of tax to be withheld
is to be determined (the “Tax Date”). 
 Any surrender by a Reporting Person of previously owned Shares to satisfy tax
withholding obligations arising upon exercise of this Option must comply with the applicable provisions of Rule 16b-3. 
  

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 All elections by an Optionee to have Shares withheld to satisfy tax withholding obligations shall be made
in writing in a form acceptable to the Administrator and shall be subject to the following restrictions: 
 (a) the election
must be made on or prior to the applicable Tax Date; 
 (b) once made, the election shall be irrevocable as to the particular
Shares of the Option or Stock Purchase Right as to which the election is made; and 
 (c) all elections shall be subject to
the consent or disapproval of the Administrator. 
 In the event the election to have Shares withheld is made by an Optionee and the Tax Date
is deferred under Section 83 of the Code because no election is filed under Section 83(b) of the Code, the Optionee shall receive the full number of Shares with respect to which the Option or Stock Purchase Right is exercised but such
Optionee shall be unconditionally obligated to tender back to the Company the proper number of Shares on the Tax Date. 
 12. Adjustments
Upon Changes in Capitalization, Merger or Certain Other Transactions. 
 (a) Changes in Capitalization. Subject to
any required action by the stockholders of the Company, the number of shares of Common Stock covered by each outstanding Option or Stock Purchase Right, and the number of shares of Common Stock that have been authorized for issuance under the Plan
but as to which no Options or Stock Purchase Rights have yet been granted or that have been returned to the Plan upon cancellation or expiration of an Option or Stock Purchase Right, as well as the price per share of Common Stock covered by each
such outstanding Option or Stock Purchase Right, 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,
recapitalization or reclassification of the Common Stock, or any other increase or decrease in the number of issued 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 have been “effected without receipt of consideration.” Such adjustment shall be made by the Board, 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 or Stock Purchase Right. 
 (b) Dissolution or Liquidation. In
the event of the proposed dissolution or liquidation of the Company, the Board shall notify the Optionee at least 15 days prior to such proposed action. To the extent it has not been previously exercised, the Option or Stock Purchase Right will
terminate immediately prior to the consummation of such proposed action. 
 (c) Merger or Sale of Assets. In the event
of a proposed sale of all or substantially all of the Company’s assets or a merger of the Company with or into another corporation where the successor corporation issues its securities or other property to the Company’s stockholders, each
outstanding Option or Stock Purchase Right shall be assumed or an equivalent option or right shall be substituted by such successor corporation or a parent or subsidiary of such successor corporation, unless the successor corporation does not agree
to assume the Option or Stock Purchase Right or to substitute an equivalent option or right, in which case such Option or Stock Purchase Right shall accelerate immediately prior to the consummation of the merger or sale of assets. For purposes of
this Section 

  

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12(c), an Option or a Stock Purchase Right shall be considered assumed, without limitation, if, at the time of issuance of the stock or other consideration
upon such merger or sale of assets, each holder of an Option or a Stock Purchase Right would be entitled to receive upon exercise of the Option or Stock Purchase Right the same number and kind of shares of stock or the same amount of property, cash
or securities as such holder would have been entitled to receive upon the occurrence of such transaction if the holder had been, immediately prior to such transaction, the holder of the number of Shares of Common Stock covered by the Option or the
Stock Purchase Right at such time (after giving effect to any adjustments in the number of Shares covered by the Option or Stock Purchase Right as provided for in this Section 12). 
 (d) Certain Distributions. In the event of any distribution to the Company’s stockholders of securities of any other entity or
other assets (other than dividends payable in cash or stock of the Company) without receipt of consideration by the Company, the Administrator may, in its discretion, appropriately adjust the price per share of Common Stock covered by each
outstanding Option or Stock Purchase Right to reflect the effect of such distribution. 
 13. Non-Transferability of Options and Stock
Purchase Rights. Options and Stock Purchase Rights may not be sold, pledged, assigned, hypothecated, transferred, or disposed of in any manner other than by will or by the laws of descent or distribution and may be exercised or purchased during
the lifetime of the Optionee or Stock Purchase Rights Holder only by the Optionee or Stock Purchase Rights Holder. 
 14. Time of Granting
Options and Stock Purchase Rights. The date of grant of an Option or Stock Purchase Right shall, for all purposes, be the date on which the Administrator makes the determination granting such Option or Stock Purchase Right, or such other date as
is determined by the Board; provided, however, that in the case of any Incentive Stock Option, the grant date shall be the later of the date on which the Administrator makes the determination granting such Incentive Stock Option or the date of
commencement of the Optionee’s employment relationship with the Company. Notice of the determination shall be given to each Employee or Consultant to whom an Option or Stock Purchase Right is so granted within a reasonable time after the date
of such grant. 
 15. Amendment and Termination of the Plan. 
 (a) Authority to Amend or Terminate. The Board may at any time amend, alter, suspend or discontinue the Plan, but no amendment,
alteration, suspension or discontinuation shall be made that would impair the rights of any Optionee under any grant theretofore made, without his or her consent. In addition, to the extent necessary and desirable to comply with Rule 16b-3 or with
Section 422 of the Code (or any other applicable law or regulation, including the requirements of any Stock Exchange), the Company shall obtain stockholder approval of any Plan amendment in such a manner and to such a degree as required.

 (b) Effect of Amendment or Termination. No amendment or termination of the Plan shall adversely affect Options
already granted, unless mutually agreed otherwise between the Optionee and the Board, which agreement must be in writing and signed by the Optionee and the Company. 
 16. Conditions Upon Issuance of Shares. Shares shall not be issued pursuant to the exercise of an Option or Stock Purchase Right unless the exercise of such Option or Stock Purchase Right and the issuance and
delivery of such Shares pursuant thereto shall comply with all relevant 

  

 –11– 

 
provisions of law, including, without limitation, the Securities Act of 1933, as amended, the Exchange Act, the rules and regulations promulgated thereunder,
and the requirements of any Stock Exchange. 
 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 law. 
 17. Reservation of Shares. The Company, during the term of this Plan, will at all times reserve
and keep available such number of Shares as shall be sufficient to satisfy the requirements of the Plan. The inability of the Company to obtain authority from any regulatory body having jurisdiction, which authority is deemed by the Company’s
counsel to be necessary to the lawful issuance and sale of any Shares hereunder, 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.

 18. Agreements. Options and Stock Purchase Rights shall be evidenced by written Option Agreements and Restricted Stock Purchase
Agreements, respectively, in such form(s) as the Administrator shall approve from time to time. 
 19. Stockholder Approval.
Continuance of the Plan shall be subject to approval by the stockholders of the Company within twelve months before or after the date the Plan is adopted. Such stockholder approval shall be obtained in the degree and manner required under applicable
state and federal law and the rules of any Stock Exchange upon which the Common Stock is listed. All Options and Stock Purchase Rights issued under the Plan shall become void in the event such approval is not obtained. 
 20. Information and Documents to Optionees and Purchasers. The Company shall provide financial statements at least annually to each Optionee and
to each individual who acquired Shares Pursuant to the Plan, during the period such Optionee or purchaser has one or more Options or Stock Purchase Rights outstanding, and in the case of an individual who acquired Shares pursuant to the Plan, during
the period such individual owns such Shares. The Company shall not be required to provide such information if the issuance of Options or Stock Purchase Rights under the Plan is limited to key employees whose duties in connection with the Company
assure their access to equivalent information. In addition, at the time of issuance of any securities under the Plan, the Company shall provide to the Optionee or the Purchaser a copy of the Plan and any agreement(s) pursuant to which securities
granted under the Plan are issued. 
  

 –12– 

 EXHIBIT A 
 1. Section 12(c) of the 1998 Stock Plan was amended by action of the Board of Directors at a meeting held on December 10, 1998 to clarify the treatment of Options and Stock Purchase Rights in the event of a
change of control transaction. 
 2. The number of Shares, as set forth in Paragraph 3 of the foregoing 1998 Stock Plan, was increased from
1,400,000 to 2,000,000 by action of the Board of Directors at a meeting held on April 15, 1999, and approved by the Stockholders on May 19, 1999. 
 3. The number of Shares, as set forth in Paragraph 3 of the foregoing 1998 Stock Plan, was increased from 2,000,000 to 2,177,300 by action of the Board of Directors at a meeting held on September 8, 1999, and
approved by the Stockholders on November 9, 1999. 
 4. Section 3 of the 1998 Stock Plan was amended by action of the Board of
Directors at a meeting held on December 14, 1999 and approved by the Stockholders on December 14, 1999 to clarify that Restricted Shares repurchased by the Company are available for reissuance under the foregoing 1998 Stock Plan.

 5. The number of Shares, as set forth in Paragraph 3 of the foregoing 1998 Stock Plan, was increased from 2,177,300 to 2,927,300 by action
of the Board of Directors at a meeting held on April 7, 2000, and approved by the Stockholders on April 12, 2000. 
  

 –13–CYTYC CORPORATION 2001 NON-EMPLOYEE DIRECTOR STOCK PLAN

 Exhibit 10.7 
 CYTYC CORPORATION 
 2001 Non-Employee Director Stock Plan 
 as Amended on June 20, 2001 
  

	1.	Purpose and Eligibility 

 The purpose of this 2001
Non-Employee Director Stock Plan (the “Plan”) of Cytyc Corporation (the “Company”) is to provide stock options and other equity interests in the Company (each an “Award”) to directors of the Company
or its Subsidiaries who are not employees or officers of the Company or its Subsidiaries, all of whom are eligible to receive Awards under the Plan. Any person to whom an Award has been granted under the Plan is called a
“Participant”. Additional definitions are contained in Section 8. 
  

	2.	Administration 

 a. Administration by Board of
Directors. The Plan will be administered by the Board of Directors of the Company (the “Board”). The Board, in its sole discretion, shall have the authority to grant and amend Awards, to adopt, amend and repeal rules relating to
the Plan and to interpret and correct the provisions of the Plan and any Award. All decisions by the Board shall be final and binding on all interested persons. Neither the Company nor any member of the Board shall be liable for any action or
determination relating to the Plan. 
 b. Appointment of Committees. To the extent permitted by applicable law, the Board may delegate
any or all of its powers under the Plan to one or more committees or subcommittees of the Board (a “Committee”). All references in the Plan to the “Board” shall mean such Committee or the Board. 
  

	3.	Stock Available for Awards 

 a. Number of
Shares. Subject to adjustment under Section 3(b), the aggregate number of shares of Common Stock of the Company (the “Common Stock”) that may be issued pursuant to the Plan is 4,000,000 shares. If any Award expires, or is
terminated, surrendered or forfeited, in whole or in part, the unissued Common Stock covered by such Award shall again be available for the grant of Awards under the Plan. If shares of Common Stock issued pursuant to the Plan are repurchased by, or
are surrendered or forfeited to, the Company at no more than cost, such shares of Common Stock shall again be available for the grant of Awards under the Plan; provided, however, that the cumulative number of such shares that may be so reissued
under the Plan will not exceed 4,000,000 shares. Shares issued under the Plan may consist in whole or in part of authorized but unissued shares or treasury shares. 
 b. Adjustment to Common Stock. In the event of any stock split, stock dividend, extraordinary cash dividend, recapitalization, reorganization, merger, consolidation, combination, exchange of shares,
liquidation, spin-off, split-up, or other similar change in capitalization or event, (i) the number and class of securities available for Awards under the Plan and the 

  

 1 

 
per-Participant share limit, (ii) the number and class of securities, vesting schedule and exercise price per share subject to each outstanding Option,
(iii) the repurchase price per security subject to repurchase, and (iv) the terms of each other outstanding stock-based Award shall be adjusted by the Company (or substituted Awards may be made) to the extent the Board shall determine, in
good faith, that such an adjustment (or substitution) is appropriate. If Section 7(e)(i) applies for any event, this Section 3(c) shall not be applicable. 
  

	4.	Stock Options 

 a. General. The Board may
grant options to purchase Common Stock (each, an “Option”) and determine the number of shares of Common Stock to be covered by each Option, the exercise price of each Option and the conditions and limitations applicable to the
exercise of each Option and the Common Stock issued upon the exercise of each Option, including vesting provisions, repurchase provisions and restrictions relating to applicable federal or state securities laws, as it considers advisable.

 b. Nonstatutory Stock Options. Options awarded under the Plan are not intended to be “incentive stock options” as defined
in Section 422 of the Code. Options awarded under the Plan are referred to herein as “Nonstatutory Stock Options.” 
 c. Exercise Price. The Board shall establish the exercise price (or determine the method by which the exercise price shall be determined) at the time each Option is granted and specify it in the applicable option agreement.

 d. Duration of Options. Each Option shall be exercisable at such times and subject to such terms and conditions as the Board may
specify in the applicable option agreement. 
 e. Exercise of Option. Options may be exercised only by delivery to the Company of a
written notice of exercise signed by the proper person together with payment in full as specified in Section 4(f) for the number of shares for which the Option is exercised. 
 f. Payment Upon Exercise. Common Stock purchased upon the exercise of an Option shall be paid for by one or any combination of the following forms
of payment: 
 (i) by check payable to the order of the Company; 
 (ii) except as otherwise explicitly provided in the applicable option agreement, and only if the Common Stock is then publicly traded,
delivery of an irrevocable and unconditional undertaking by a creditworthy broker to deliver promptly to the Company sufficient funds to pay the exercise price, or delivery by the Participant to the Company of a copy of irrevocable and unconditional
instructions to a creditworthy broker to deliver promptly to the Company cash or a check sufficient to pay the exercise price; or 
 (iii) to the extent explicitly provided in the applicable option agreement, by (x) delivery of shares of Common Stock owned by the Participant valued at fair market value (as 

  

 2 

 
determined by the Board or as determined pursuant to the applicable option agreement), (y) delivery of a promissory note of the Participant to the
Company (and delivery to the Company by the Participant of a check in an amount equal to the par value of the shares purchased), or (z) payment of such other lawful consideration as the Board may determine. 
  

	5.	Restricted Stock 

 a. Grants. The Board may
grant Awards entitling recipients to acquire shares of Common Stock, subject to (i) delivery to the Company by the Participant of a check in an amount at least equal to the par value of the shares purchased, and (ii) the right of the
Company to repurchase all or part of such shares at their issue price or other stated or formula price from the Participant in the event that conditions specified by the Board in the applicable Award are not satisfied prior to the end of the
applicable restriction period or periods established by the Board for such Award (each, a “Restricted Stock Award”). 
 b.
Terms and Conditions. The Board shall determine the terms and conditions of any such Restricted Stock Award. Any stock certificates issued in respect of a Restricted Stock Award shall be registered in the name of the Participant and, unless
otherwise determined by the Board, deposited by the Participant, together with a stock power endorsed in blank, with the Company (or its designee). After the expiration of the applicable restriction periods, the Company (or such designee) shall
deliver the certificates no longer subject to such restrictions to the Participant or, if the Participant has died, to the beneficiary designated by a Participant, in a manner determined by the Board, to receive amounts due or exercise rights of the
Participant in the event of the Participant’s death (the “Designated Beneficiary”). In the absence of an effective designation by a Participant, Designated Beneficiary shall mean the Participant’s estate. 
  

	6.	Other Stock-Based Awards 

 The Board shall have the
right to grant other Awards based upon the Common Stock having such terms and conditions as the Board may determine, including, without limitation, the grant of shares based upon certain conditions, the grant of securities convertible into Common
Stock and the grant of phantom stock awards or stock units. Notwithstanding the foregoing, the Board shall not have the right to grant stock appreciation rights. 
  

	7.	General Provisions Applicable to Awards 

 a.
Transferability of Awards. Except as the Board may otherwise determine or provide in an Award, Awards shall not be sold, assigned, transferred, pledged or otherwise encumbered by the person to whom they are granted, either voluntarily or by
operation of law, except by will or the laws of descent and distribution, and, during the life of the Participant, shall be exercisable only by the Participant. References to a Participant, to the extent relevant in the context, shall include
references to authorized transferees. 
 b. Documentation. Each Award under the Plan shall be evidenced by a written instrument in
such form as the Board shall determine or as executed by an officer of the 

  

 3 

 
Company pursuant to authority delegated by the Board. Each Award may contain terms and conditions in addition to those set forth in the Plan provided that
such terms and conditions do not contravene the provisions of the Plan. 
 c. Board Discretion. The terms of each type of Award need
not be identical, and the Board need not treat Participants uniformly. 
 d. Termination of Status. The Board shall determine the
effect on an Award of the disability, death, retirement, authorized leave of absence or other change in status of a Participant and the extent to which, and the period during which, the Participant, or the Participant’s legal representative,
conservator, guardian or Designated Beneficiary, may exercise rights under the Award. 
 e. Acquisition of the Company 
 (i) Consequences of an Acquisition. 
 (A) Acquisition Intended to be Accounted for as a Pooling-of- Interests. With respect to an Acquisition intended to be accounted for as a pooling-of-interests: (x) all outstanding Options shall become
exercisable in full immediately prior to the consummation of the Acquisition; if the shares of Common Stock subject to such Options are subject to repurchase provisions, then such repurchase restrictions shall lapse upon the consummation of the
Acquisition; and all outstanding Options shall remain the obligation of the Company or be assumed by the surviving or acquiring entity, and there shall be automatically substituted for the shares of Common Stock then subject to such Options the
consideration payable with respect to the outstanding shares of Common Stock in connection with the Acquisition; (y) all Restricted Stock Awards then outstanding shall become immediately free of all repurchase provisions upon the consummation
of the Acquisition; and (z) all other stock-based Awards shall become immediately exercisable, realizable or vested in full, or shall be immediately free of all repurchase provisions, as the case may be, upon the consummation of the
Acquisition. 
 (B) Acquisition Intended to be Accounted for under the Purchase Method. Unless otherwise expressly
provided in the applicable Option or Award, upon the occurrence of an Acquisition intended to be accounted for under the purchase method, the Board or the board of directors of the surviving or acquiring entity (as used in this
Section 7(e)(i)(B), also the “Board”), shall, as to outstanding Awards (on the same basis or on different bases, as the Board shall specify), make appropriate provision for the continuation of such Awards by the Company or the
assumption of such Awards by the surviving or acquiring entity and by substituting on an equitable basis for the shares then subject to such Awards either (a) the consideration payable with respect to the outstanding shares of Common Stock in
connection with the Acquisition, (b) shares of stock of the surviving or acquiring corporation or (c) such other securities as the Board deems appropriate, the fair market value of which (as determined by the Board in its sole discretion)
shall not materially differ from the fair market value of the shares of Common Stock subject to such Awards immediately preceding the Acquisition. In addition to 

  

 4 

 
or in lieu of the foregoing, with respect to outstanding Options, the Board may, upon written notice to the affected optionees, provide that one or more
Options then outstanding shall become immediately exercisable in full and that such Options must be exercised within a specified number of days of the date of such notice, at the end of which period such Options shall terminate; or provide that one
or more Options then outstanding shall become immediately exercisable in full and shall be terminated in exchange for a cash payment equal to the excess of the fair market value (as determined by the Board in its sole discretion) for the shares
subject to such Options over the exercise price thereof; in the event of the acceleration of the exercisability of one or more outstanding Options, the Board may provide, as a condition of full exercisability of any or all such Options, that the
Common Stock as to which exercisability has been accelerated shall be restricted stock subject to forfeiture and repurchase at the option of the Company at the cost thereof upon termination of employment or other relationship, with the timing and
other terms of the vesting of such restricted stock being equivalent to the timing and other terms of the superseded exercise schedule of the related Option. 
 (C) Acquisition Defined. An “Acquisition” shall mean: (x) the sale of the Company by merger in which the
shareholders of the Company in their capacity as such no longer own a majority of the outstanding equity securities of the Company (or its successor); or (y) any sale of all or substantially all of the assets or capital stock of the Company
(other than in a spin-off or similar transaction) or (z) any other acquisition of the business of the Company, as determined by the Board. 
 (ii) Assumption of Options Upon Certain Events. In connection with a merger or consolidation of an entity with the Company or the acquisition by the Company of property or stock of an entity, the Board may
grant Awards under the Plan in substitution for stock and stock-based awards issued by such entity or an affiliate thereof. The substitute Awards shall be granted on such terms and conditions as the Board considers appropriate in the circumstances.

 (iii) Pooling-of Interests-Accounting. If the Company proposes to engage in an Acquisition intended to be accounted
for as a pooling-of-interests, and in the event that the provisions of this Plan or of any Award hereunder, or any actions of the Board taken in connection with such Acquisition, are determined by the Company’s or the acquiring company’s
independent public accountants to cause such Acquisition to fail to be accounted for as a pooling- of-interests, then such provisions or actions shall be amended or rescinded by the Board, without the consent of any Participant, to be consistent
with pooling-of-interests accounting treatment for such Acquisition. 
 (iv) Parachute Awards. Notwithstanding the
provisions of Section 7(e)(i)(A), if, in connection with an Acquisition described therein, a tax under Section 4999 of the Code would be imposed on the Participant (after taking into account the exceptions set forth in Sections 280G(b)(4)
and 280G(b)(5) of the Code), then the number of Awards which shall become exercisable, realizable or vested as provided in such section shall be reduced (or delayed), to the minimum extent necessary, so that no such tax would be imposed on the
Participant (the Awards not becoming so accelerated, realizable or vested, the “Parachute Awards”); provided, however, that if the “aggregate present value” of the Parachute Awards 

  

 5 

 
would exceed the tax that, but for this sentence, would be imposed on the Participant under Section 4999 of the Code in connection with the Acquisition,
then the Awards shall become immediately exercisable, realizable and vested without regard to the provisions of this sentence. For purposes of the preceding sentence, the “aggregate present value” of an Award shall be calculated on
an after-tax basis (other than taxes imposed by Section 4999 of the Code) and shall be based on economic principles rather than the principles set forth under Section 280G of the Code and the regulations promulgated thereunder. All
determinations required to be made under this Section 7(e)(iv) shall be made by the Company. 
 f. Withholding. Each Participant
shall pay to the Company, or make provisions satisfactory to the Company for payment of, any taxes required by law to be withheld in connection with Awards to such Participant no later than the date of the event creating the tax liability. The Board
may allow Participants to satisfy such tax obligations in whole or in part by transferring shares of Common Stock, including shares retained from the Award creating the tax obligation, valued at their fair market value (as determined by the Board or
as determined pursuant to the applicable option agreement). The Company may, to the extent permitted by law, deduct any such tax obligations from any payment of any kind otherwise due to a Participant. 
 g. Amendment of Awards. The Board may amend, modify or terminate any outstanding Award including, but not limited to, substituting therefor
another Award of the same or a different type and changing the date of exercise or realization, provided that, except as otherwise provided in Section 7(e)(iii), the Participant’s consent to such action shall be required unless the Board
determines that the action, taking into account any related action, would not materially and adversely affect the Participant. Notwithstanding the foregoing, the Board shall not reduce the exercise price of any outstanding Option, including without
limitation, by (i) amending the terms of such outstanding Option, (ii) canceling such Option and issuing a new Option which, as determined by the Board in good faith, is intended to replace such cancelled Option, or (iii) issuing a
new Option at a lower exercise price which, as determined by the Board in good faith, is intended to replace an Option which is currently outstanding, in any event, without the prior approval of the Company’s stockholders. 
 h. Conditions on Delivery of Stock. The Company will not be obligated to deliver any shares of Common Stock pursuant to the Plan or to remove
restrictions from shares previously delivered under the Plan until (i) all conditions of the Award have been met or removed to the satisfaction of the Company, (ii) in the opinion of the Company’s counsel, all other legal matters in
connection with the issuance and delivery of such shares have been satisfied, including any applicable securities laws and any applicable stock exchange or stock market rules and regulations, and (iii) the Participant has executed and delivered
to the Company such representations or agreements as the Company may consider appropriate to satisfy the requirements of any applicable laws, rules or regulations. 
 i. Acceleration. The Board may at any time provide that any Options shall become immediately exercisable in full or in part, that any Restricted Stock Awards shall be free of some or all restrictions, or that
any other stock- based Awards may become exercisable in full or in part or free of some or all restrictions or conditions, or otherwise realizable in full or in part, as the case may be, despite the fact that the foregoing actions may cause the
application of Sections 280G and 4999 of the Code if a change in control of the Company occurs. 
  

 6 

 j. Acceleration Upon Retirement. Except as the Board may otherwise determine or provide in an
Award, in the event a Participant ceases to be a member of the Board by reason of his or her retirement from the Board, any Option granted to such Participant shall become immediately exercisable in full, any Restricted Stock Award granted to such
Participant shall be free of all restrictions, and any other stock-based Award granted to such Participant shall become exercisable or realizable in full, free of all restrictions or conditions, as the case may be. Each such Option, Restricted Stock
Award or other stock-based Award shall be exercisable or realizable, as the case may be, until the scheduled expiration date of the Award. For purposes of this Plan, “retirement from the Board” shall mean the resignation from the Board or
the election not to stand for re-election to the Board by a Participant being of at least 65 years of age and having served at least 5 years on the Board. Any such retirement shall become effective as of the effective date of such Participant’s
resignation or the due election and qualification of such Participant’s successor, as the case may be. 
  

	8.	Miscellaneous 

 a. Definitions. 

(i) “Company,” for purposes of eligibility under the Plan, shall include any present or future subsidiary corporations
of Cytyc Corporation, as defined in Section 424(f) of the Code (a “Subsidiary”), and any present or future parent corporation of Cytyc Corporation, as defined in Section 424(e) of the Code. The term
“Company” shall also include any other business venture in which the Company has a direct or indirect significant interest, as determined by the Board in its sole discretion. 
 (ii) “Code” means the Internal Revenue Code of 1986, as amended, and any regulations promulgated thereunder. 

b. No Right To Employment or Other Status. No person shall have any claim or right to be granted an Award, and the grant of an Award shall not
be construed as giving a Participant the right to continued employment or any other relationship with the Company. The Company expressly reserves the right at any time to dismiss or otherwise terminate its relationship with a Participant free from
any liability or claim under the Plan. 
 c. Definition of “employee” and “officer.” For purposes of the Plan,
service as Chairman or Vice Chairman of the Board, if no additional compensation is paid to the individual with respect to such service other than reimbursement of expenses approved by the Board, shall be deemed not to constitute service as an
employee or officer of the Company. 
 d. No Rights As Stockholder. Subject to the provisions of the applicable Award, no Participant
or Designated Beneficiary shall have any rights as a stockholder with respect to any shares of Common Stock to be distributed with respect to an Award until becoming the record holder thereof. 
  

 7 

 e. Effective Date and Term of Plan. The Plan shall become effective on the date on which it was
approved by the Company’s stockholders and any modification, suspension or termination hereof shall be effective as of the date approved by the Board of Directors. No Awards shall be granted under the Plan after the completion of ten years from
the date on which the Plan was adopted by the Board, but Awards previously granted may extend beyond that date. 
 f. Amendment of
Plan. The Board may amend, suspend or terminate the Plan or any portion thereof at any time. 
 g. Governing Law. The provisions
of the Plan and all Awards made hereunder shall be governed by and interpreted in accordance with the laws of the State of Delaware, without regard to any applicable conflicts of law. 
 Adopted by the Board of Directors on March 26, 2001 
 Approved by the stockholders on May 23, 2001 
 Amended by the Board of Directors on June 20, 2001 
  

 8

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