Document:

Form of Nonqualified Stock Option Agreement

 Exhibit 10.6 
 VONAGE HOLDINGS CORP. 
 2006 INCENTIVE PLAN 
 NONQUALIFIED STOCK OPTION AGREEMENT 
 “Participant”: Jeffrey Citron 
 “Date of Award”:
                         
 This Agreement, effective as of the Date of Award set forth above, represents the grant of Nonqualified Stock Options by Vonage Holdings Corp., a Delaware corporation (the “Company”), to
the Participant named above, pursuant to the provisions of the Vonage Holdings Corp. 2006 Incentive Plan (the “Plan”). Capitalized terms have the meanings ascribed to them under the Plan, unless specifically set forth
herein. 
 The parties hereto agree as follows: 
  

	 	1.	Grant of Options 

 The Company hereby grants to the
Participant Nonqualified Stock Options to purchase Shares in the manner and subject to the terms and conditions of the Plan and this Agreement as follows: 
 (a) Number of Shares Covered by the Options: [1,000,000/750,000] 
 (b) “Option
Price”: $             per Share 
 (c)
“Option Term”: The Options have been granted for a period of ten years, ending on the tenth anniversary of the Date of Award. 
  

	 	2.	Vesting of Options 

 (a) Subject to
Section 2(e) below, the Options vest and become exercisable over a period of four (4) years, with 25% vesting on the first anniversary of the Date of Award and the remainder vesting in equal quarterly installments thereafter provided that
the Participant continues to serve as a Non-Employee Director of the Company or a Subsidiary on the applicable vesting date. 

 (b) To the extent not previously vested in accordance with this Section 2, in the event that a
Change of Control becomes effective while the Participant continues to serve as a Non-Employee Director of the Company or a Subsidiary, the Options will vest and become exercisable as to all the Shares covered thereby as of the effective date of the
Change of Control. 
 (c) To the extent not previously vested in accordance with this Section 2, in the event of the Participant’s
death, the Options will (i) vest and become exercisable as of the date thereof as to all the Shares covered thereby and (ii) remain exercisable until they terminate in accordance with Section 4 below. 
 (d) To the extent not previously vested in accordance with this Section 2, in the event of the Participant’s Disability, the Options will
(i) vest and become exercisable as of the date thereof as to all the Shares covered thereby and (ii) remain exercisable until they terminate in accordance with Section 4 below. 
 (e) To the extent not previously vested in accordance with Section 2(a) above, if the Participant’s service as a Non-Employee Director of the
Company is terminated for cause as determined by the Committee under the terms of the Plan, the Options will terminate immediately and be of no force or effect. 
 (f) To the extent vested in accordance with this Section 2, the Options will remain exercisable until they terminate in accordance with Section 4 below. 
 (g) For purposes of this Section 2, the following term shall have the meaning set forth below: 
 “Disability” means the Participant is unable to engage in any substantial gainful activity by reason of any medically determinable physical or
mental impairment which can be expected to result in death or can be expected to last for a continuous period of not less than 12 months. 
  

	 	3.	Exercise of Options 

 (a) The Options may be
exercised by written notice to the Company, specifying the number of Shares the Participant then desires to purchase, accompanied by the Option Price of such Shares, and as soon as practicable after receipt of such notice and payment, such Shares
will be issued in the Participant’s name. The Committee reserves the right to modify the exercise procedures from time to time. 
 (b)
Except as otherwise provided in this Section 3, the Participant must submit a check payable to the order of Vonage Holdings Corp. for an amount in United States dollars equal to the Option Price of such Shares, or tender Shares to the Company
having an aggregate Fair Market Value on the date of exercise equal to such Option Price, or a combination thereof. If permitted by the Committee, the Participant may direct the Company to withhold a number of Shares covered by the Option having an
aggregate Fair Market Value on the date of exercise equal to such Option Price. 
  

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	 	4.	Termination of Options 

 To the extent vested in
accordance with Section 2 above, the Options will terminate, and be of no force or effect, upon the earlier of: 
 (a) the date of
termination of the Participant’s service as a Non-Employee Director of the Company if such termination is for cause as determined by the Board, or the second anniversary of such date if the Participant’s service as a Non-Employee Director
of the Company terminates for any other reason; and 
 (b) the expiration of the Option Term. 
  

	 	5.	Rights as Stockholder 

 The Participant shall have
no rights as a stockholder of the Company with respect to the Shares covered by the Options until such time as the Option Price has been paid and the Shares have been issued and delivered to the Participant. 
  

	 	6.	Transferability 

 Unless permitted by the Committee
in accordance with the terms of the Plan, the Options may not be sold, transferred, pledged, assigned, or otherwise alienated or hypothecated, other than by will or by the laws of descent and distribution, and, during the Participant’s
lifetime, may be exercised only by the Participant or in the event of the Participant’s legal incapacity, the Participant’s legal guardian or representative. 
  

	 	7.	Miscellaneous 

 (a) This Agreement and the rights of
the Participant hereunder are subject to the terms and conditions of the Plan, as the same may be amended from time to time, as well as to such rules and regulations as the Committee may adopt for administration of the Plan. If there is any
inconsistency between the terms of this Agreement and the terms of the Plan, the Plan’s terms shall completely supersede and replace the conflicting terms of this Agreement. 
  

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 (b) This Agreement shall be subject to all applicable laws, rules, and regulations, and to such approvals
by any governmental agencies or national securities exchanges as may be required or, the Committee determines are advisable. The Participant agrees to take all steps the Company determines are necessary to comply with all applicable provisions of
federal and state securities law in exercising his or her rights under this Agreement. The Committee shall have the right to impose such restrictions on any Shares acquired pursuant to the exercise of the Option as it deems necessary or advisable
under applicable federal securities laws, the rules and regulations of any stock exchange or market upon which Shares are then listed or traded, and/or any blue sky or state securities laws applicable to Shares. It is expressly understood that the
Committee is authorized to administer, construe, and make all determinations necessary or appropriate to the administration of the Plan and this Agreement, all of which shall be binding upon the Participant. 
 (c) The Options are intended not to provide for a “deferral of compensation” within the meaning of Section 409A of the Code.
Notwithstanding the forgoing or any provision of the Plan or this Agreement, if any provision of this Agreement or the Plan contravenes Section 409A of the Code or could cause the Participant to incur any tax, interest or penalties under
Section 409A of the Code, the Committee may, in its sole discretion and without the Participant’s consent, modify such provision in order to comply with the requirements of Section 409A of the Code or to satisfy the conditions of any
exception therefrom, or otherwise to avoid the imposition of the additional income tax and interest under Section 409A of the Code, while maintaining, to the maximum extent practicable, the original intent and economic benefit to the
Participant, without materially increasing the cost to the Company, of the applicable provision. 
 (d) Delivery of the Shares underlying the
Options upon exercise will be subject to the Participant satisfying all applicable federal, state, local and foreign taxes. The Company shall have authority to deduct or withhold from all amounts payable to the Participant in connection with the
Options, or require the Participant to remit to the Company, an amount sufficient to satisfy any applicable taxes required by law. 
 (e) To
the extent not preempted by federal law, this Agreement shall be governed by, and construed in accordance with, the laws of the State of New York. 
  

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 IN WITNESS WHEREOF, the Company and the Participant have executed this Agreement as of the Date of Award.

  

			
	VONAGE HOLDINGS CORP.
		
	By:	 	 
		 	Name:
		 	Title:
		
		 	 
		 	Participant

  

 5ONEOK, Inc. Equity Compensation Plan

 Exhibit 4.1 
 ONEOK, INC. 
 EQUITY COMPENSATION PLAN 
 Amended and Restated February 21, 2008 
  

	1.	General 

 1.1 Purposes. The purposes of
this Plan are (a) to provide competitive incentives that will enable the Company to attract, retain, motivate, and reward eligible Employees and Non-Employee Directors of the Company, and (b) to give the Company’s eligible Employees
and Non-Employee Directors an interest parallel to the interests of the Company’s shareholders generally. 
 1.2 Duration of
Plan. The date of adoption and term of the Plan are as follows: 
 (a) The Plan was initially adopted and effective
on February 17, 2005, the date of its first adoption and approval by the Board of Directors, such adoption of the Plan having been approved by the shareholders of the Company within one (1) year of that date, on May 19, 2005. The term
of the Plan as so initially adopted and approved was until a termination date of February 17, 2015, or until sooner terminated by the Board of Directors. 
 (b) The Plan, as amended and restated in and by this instrument, is effective on an Effective Date of February 21, 2008, the date of
its adoption and approval by the Board of Directors, provided that the shareholders of the Company thereafter approve it within one (1) year of that date. If the Plan, as so amended and restated, is so approved by the shareholders of the
Company, it shall have an extended term and shall terminate on a termination date of February 21, 2018, or until sooner terminated by the Board of Directors. 
 (c) If the Plan, as so amended and restated in and by this instrument, is not so approved by the shareholders of the Company, the
amendments thereto and this instrument shall not become effective and shall be of no force and effect, and the Plan shall remain in effect in accordance with its written terms and provisions as initially adopted and approved. 
 (d) The Plan shall remain in effect until its termination date, or until the Plan is sooner terminated by the Board of Directors, and upon
its termination shall continue to be administered thereafter with respect to any Stock Incentive granted prior to the date of such termination. 
 (e) In no event shall a Stock Incentive be granted under the Plan more than ten (10) years from February 21, 2008, the date the Plan, as amended and restated in and by this instrument, is adopted.

  

	2.	Definitions 

 Unless otherwise required by the context, the
following terms, when and wherever used in this Plan, shall have the meanings set forth in this Section 2. 
 2.1
“Beneficiary” means a person or entity (including a trust or estate), designated in writing by a Participant on such forms and in accordance with such terms and conditions as the Committee may prescribe, to whom the Participant’s
rights under the Plan shall pass in the event of the death of the Participant. 
  

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 2.2 “Board” or a “Board of Directors” means the Board of Directors of the Company, as
constituted from time to time. 
 2.3 A “Change in Control” shall mean the occurrence of any of the following: 
 (a) An acquisition (other than directly from the Company) of any voting securities of the Company (the “Voting Securities”) by
any “Person” (as the term person is used for purposes of Section 13(d) or 14(d) of the Exchange Act), immediately after which such Person has “Beneficial Ownership” (within the meaning of Rule 13d-3 promulgated under the
Exchange Act) of twenty percent (20%) or more of the then outstanding Shares or the combined voting power of the Company’s then outstanding Voting Securities; provided, however, in determining whether a Change in Control has occurred
pursuant to this Section 2(c), Shares or Voting Securities which are acquired in a “Non-Control Acquisition” (as hereinafter defined) shall not constitute an acquisition which would cause a Change in Control. A “Non-Control
Acquisition” shall mean an acquisition by (i) an employee benefit plan (or a trust forming a part thereof) maintained by (A) the Company or (B) any company or other Person of which a majority of its voting power or its voting
equity securities or equity interest is owned or controlled, directly or indirectly, by the Company (for purposes of this definition, a “Related Entity”), (ii) the Company or any Related Entity, or (iii) any Person in connection
with a “Non-Control Transaction” (as hereinafter defined); 
 (b) The individuals who, as of February 15, 2001,
are members of the Board of Directors (the “Incumbent Board”), cease for any reason to constitute at least a majority of the members of the Board of Directors; or, following a Merger which results in a Parent Company, the board of
directors of the ultimate Parent Company; provided, however, that if the election, or nomination for election by the Company’s common stockholders, of any new director was approved by a vote of at least two-thirds of the Incumbent Board, such
new director shall, for purposes of this Plan, be considered as a member of the Incumbent Board; provided further, however, that no individual shall be considered a member of the Incumbent Board if such individual initially assumed office as a
result of either an actual or threatened “Election Contest” (as described in Rule 14a-11 promulgated under the Exchange Act) or other actual or threatened solicitation of proxies or consents by or on behalf of a Person other than the Board
of Directors (a “Proxy Contest”), including by reason of any agreement intended to avoid or settle any Election Contest or Proxy Contest; or 
 (c) The consummation of: 
  

	 	(1)	A merger, consolidation or reorganization with or into the Company or in which securities of the Company are issued (a “Merger”), unless such Merger is a “Non-Control
Transaction.” A “Non-Control Transaction” shall mean a Merger where: 

  

	 	(A)	the stockholders of the Company, immediately before such Merger, own directly or indirectly immediately following such Merger at least fifty percent (50%) of the combined
voting power of the outstanding voting securities of (x) the company resulting from such Merger (the “Surviving Company”) if fifty percent (50%) or more of the combined voting power of the then outstanding voting securities of
the Surviving Company is not Beneficially Owned, directly or indirectly by another Person (a “Parent Company”), or (y) if there is one or more Parent Companies, the ultimate Parent Company; 

  

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	 	(B)	the individuals who were members of the Incumbent Board immediately prior to the execution of the agreement providing for such Merger constitute at least a majority of the members
of the board of directors of (i) the Surviving Company, if there is no Parent Company, or (ii) if there is one or more Parent Companies, the ultimate Parent Company; and 

  

	 	(C)	no Person other than (1) the Company, (2) any Related Entity, (3) any employee benefit plan (or any trust forming a part thereof) that, immediately prior to such
Merger was maintained by the Company or any Related Entity, or (4) any Person who, immediately prior to such Merger had Beneficial Ownership of thirty percent (30%) or more of the then outstanding Voting Securities or Shares, has
Beneficial Ownership of thirty percent (30%) or more of the combined voting power of the outstanding voting securities or common stock of (i) the Surviving Company if there is no Parent Company, or (ii) if there is one or more Parent
Companies, the ultimate Parent Company. 

  

	 	(2)	A complete liquidation or dissolution of the Company; or 

  

	 	(3)	The sale or other disposition of all or substantially all of the assets of the Company to any Person (other than a transfer to a Related Entity or under conditions that would
constitute a Non-Control Transaction with the disposition of assets being regarded as a Merger for this purpose or the distribution to the Company’s stockholders of the stock of a Related Entity or any other assets). 

Notwithstanding the foregoing, a Change in Control shall not be deemed to occur solely because any Person (the “Subject Person”) acquired Beneficial
Ownership of more than the permitted amount of the then outstanding Shares or Voting Securities if: (1) such acquisition occurs as a result of the acquisition of Shares or Voting Securities by the Company which, by reducing the number of Shares
or Voting Securities then outstanding, increases the proportional number of shares Beneficially Owned by the Subject Person, provided that if a Change in Control would occur (but for the operation of this subparagraph) as a result of the acquisition
of Shares or Voting Securities by the Company, and after such share acquisition by the Company, the Subject Person becomes the Beneficial Owner of any additional Shares or Voting Securities which increases the percentage of the then outstanding
Shares or Voting Securities Beneficially Owned by the Subject Person, then a Change in Control shall occur, or (2) (A) within five business days after a Change in Control would have occurred (but for the operation of this subparagraph), or
if the Subject Person acquired Beneficial Ownership of twenty percent (20%) or more of the then outstanding Shares or the combined voting power of the Company’s then 

  

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outstanding Voting Securities inadvertently, then after the Subject Person discovers or is notified by the Company that such acquisition would have triggered
a Change in Control (but for the operation of this subparagraph), the Subject Person notifies the Board of Directors that it did so inadvertently, and (B) within two business days after such notification, the Subject Person divests itself of a
sufficient number of Shares or Voting Securities so that the Subject Person is the Beneficial Owner of less than twenty percent (20%) of the then outstanding Shares or the combined voting power of the Company’s then outstanding Voting
Securities. 
 Notwithstanding anything in this Plan to the contrary, if an eligible Employee’s employment is terminated by the Company without Just
Cause prior to the date of a Change in Control but the eligible Employee reasonably demonstrates that the termination (1) was at the request of a third party who has indicated an intention or taken steps reasonably calculated to effect a Change
in Control or (2) otherwise arose in connection with, or in anticipation of, a Change in Control which has been threatened or proposed, such termination shall be deemed to have occurred after a Change in Control for purposes of this Plan,
provided a Change in Control shall actually have occurred. 
 2.4 “Code” means the Internal Revenue Code of 1986, as amended and in
effect from time to time. References to a particular section of the Code shall include references to any related Treasury Regulations and to successor provisions. 
 2.5 “Committee” means the Committee appointed by the Board of Directors to administer the Plan pursuant to the provisions of section 12.1 below. 
 2.6 “Common Stock” means common stock, $0.01 par value, of the Company. 
 2.7 “Company” means ONEOK, Inc., an Oklahoma corporation, its successors and assigns, or any division or Subsidiary thereof. 
 2.8 “Director Fees” means all compensation and fees paid to a Non-Employee Director by the Company for his or her services as a member of the
Board of Directors. 
 2.9 “Director Stock Award” means an award of ONEOK, Inc. Common Stock granted to a Non-Employee Director.

 2.10 “Effective Date” means February 21, 2008, the date the Plan, as amended and restated in and by this instrument, is
adopted, as provided in Section 1.2, above. 
 2.11 “Employee” means an employee of the Company, including an officer or
director who is such an employee. 
 2.12 “Exchange Act” means the Securities Exchange Act of 1934, as amended from time to time.

 2.13 “Fair Market Value” on a particular date means the average of the high and low sale prices of a share of Common Stock in
consolidated trading on the date in question as reported by The Wall Street Journal or another reputable source designated by the Committee; provided that if there were no sales on such date reported as provided above, the respective prices on the
most recent 

  

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prior day for which a sale was so reported. In the case of an Incentive Stock Option, if the foregoing method of determining Fair Market Value should be
inconsistent with section 422 of the Code, or in the case of any other type of Stock Incentive the foregoing method is determined by the Committee, in its discretion, to not be applicable, a “Fair Market Value” shall be determined by the
Committee in a manner consistent with such section of the Code, or in such other manner as the Committee, in its discretion, determines to be appropriate, and shall mean the value as so determined. 
 2.14 “General Counsel” means the General Counsel of the Company serving from time to time. 
 2.15 “Incentive Stock Option” means an option, including an Option as the context may require, intended to qualify for the tax treatment
applicable to incentive stock options under section 422 of the Code. 
 2.16 “Just Cause” shall mean the Employee’s conviction
in a court of law of a felony, or any crime or offense in a court of law of a felony, or any crime or offense involving misuse or misappropriation of money or property, the Employee’s violation of any covenant, agreement or obligation not to
disclose confidential information regarding the business of the Company (or a division or Subsidiary); any violation by the Employee of any covenant not to compete with the Company (or a division or Subsidiary); any act of dishonesty by the Employee
which adversely affects the business of the Company (or a division or subsidiary); any willful or intentional act of the Employee which adversely affects the business of, or reflects unfavorably on the reputation of the Company (or a division or
Subsidiary); the Employee’s use of alcohol or drugs which interferes with the Employee’s performance of duties as an employee of the Company (or a division or Subsidiary); or the Employee’s failure or refusal to perform the specific
directives of the Company’s Board of Directors, or its officers which directives are consistent with the scope and nature of the Employee’s duties and responsibilities with the existence and occurrence of all of such causes to be
determined by the Company in its sole discretion; provided, that nothing contained in the foregoing provisions of this paragraph shall be deemed to interfere in any way with the right of the Company (or a division or Subsidiary), which is hereby
acknowledged, to terminate the Employee’s employment at any time without cause. 
 2.17 “Non-Employee Director” means a member
of the Board of Directors of the Company who is not an employee of the Company, and who qualifies as a “Non-Employee Director” under the definition of that term in SEC Rule 16b-3. 
 2.18 “Non-Qualified Performance Stock Incentive” means a Performance Stock Incentive granted under the Plan that is not intended to qualify as
qualified performance based compensation under Section 162(m) of the Code, as described in Section 13.9. 
 2.19
“Non-Statutory Stock Option” means an option, including an Option as the context may require, which is not intended to qualify for the tax treatment applicable to incentive stock options under section 422 of the Code. 
 2.20 “Option” means an option granted under this Plan to purchase shares of Common Stock. Options may be Incentive Stock Options or
Non-Statutory Stock Options. 
  

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 2.21 “Participant” means an Employee who the Committee determines is in a position to
contribute significantly to the growth and profitability of, or to perform services of major importance to the Company, its divisions and subsidiaries, or Non-Employee Director, who is selected by the Committee to be a Participant in the Plan and to
be granted a Stock Incentive under the Plan. 
 2.22 “Performance Goal” means one or more criteria or standards established by the
Committee to determine, in whole or in part, whether a Performance Stock Incentive shall be awarded or earned, which may include the criteria and standards established pursuant to Section 13.9. 
 2.23 “Performance Period” means the time period designated by the Committee during which Performance Goals must be met. 
 2.24 “Performance Stock Award” means a Stock Incentive providing for a grant of shares of Common Stock the award or delivery of which is
subject to specified Performance Goals. 
 2.25 “Performance Stock Incentive” means a Stock Incentive, including without
limitation, a Performance Stock Award, Performance Unit Award, Restricted Stock Award, or Restricted Unit Award providing for the award, delivery or payment of shares of Common Stock or cash, or a combination of each, that is subject to specified
Performance Goals. 
 2.26 “Performance Unit Award” means a Stock Incentive providing for a grant of a unit or units representing
an amount of cash or shares of Common Stock (including a Stock Unit as defined in Section 2.39), or a combination of each, that will be distributed in the future if continued employment and/or other specified Performance Goals or other
performance criteria specified by the Committee are attained; and which Performance Goals or other performance criteria may include, without limitation, corporate, divisional or business unit financial or operating performance measures, as more
particularly described in Section 13.9; and which other contingencies may include the Participant’s depositing with the Company, acquiring or retaining for stipulated time periods specified amounts of Common Stock; and the amount of Stock
Incentive may, but need not be determined by reference to the market value of Common Stock. 
 2.27 “Plan” means the ONEOK, Inc.
Equity Compensation Plan set forth in these pages, as amended from time to time. 
 2.28 “Plan Year” means the calendar year
beginning on January 1 and ending the next December 31. 
 2.29 “Qualified Performance Stock Incentive” means a
Performance Stock Incentive granted under the Plan that is intended to qualify as qualified performance based compensation under Section 162(m) of the Code, as described in Section 13.9. 
 2.30 “Restricted Stock Award” means shares of Common Stock which are issued or transferred to a Participant under Section 6, below, and
which will become free of restrictions specified by the Committee if continued employment and/or Performance Goals or other performance criteria specified by the Committee are attained; and which Performance Goals or other criteria, circumstances or
conditions arise, exist or are satisfied; and which may but need not include, without limitation, corporate, divisional or business unit financial or operating performance measures, as more particularly described in Section 13.9. 
  

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 2.31 “Restricted Unit Award” means a Stock Incentive providing for a grant of a unit or units
representing an amount of cash or shares of Common Stock or a combination of each, which become free of restrictions specified by the Committee if continued employment and/or Performance Goals or other criteria, circumstances or conditions arise,
exist or are attained; and which may but need not include, without limitation, corporate, divisional or business unit financial or operating performance measures, as more particularly described in Section 13.9. 
 2.32 “SEC Rule 16b-3” means Rule 16b-3 of the Securities and Exchange Commission promulgated under the Exchange Act, as such rule or any
successor rule may be in effect from time to time. 
 2.33 “Secretary” means the Secretary of the Company. 
 2.34 “Section 16 Person” means a person subject to Section 16(b) of the Exchange Act with respect to transactions involving equity
securities of the Company. 
 2.35 “Share” or “shares” means a share or shares of Common Stock, par value $.01 per share
of the Company. 
 2.36 “Stock Appreciation Right” means a right granted to a Participant denominated in shares of Common Stock, to
receive, upon exercise of the right (or both the right and a related Option, if applicable in the case of issuance in tandem with an Option), an amount, payable in shares of Common Stock, in cash, or a combination thereof that does not exceed the
excess of the Fair Market Value of the share or shares of Common Stock on the date such right is exercised over the base price of such share or shares provided in and for such right on the date such right is granted, as determined by the Committee.

 2.37 “Stock Bonus Award” means an amount of cash or shares of Common Stock which is distributed to a Participant or which the
Committee agrees to distribute in the future to a Participant in lieu of, or as a supplement to, any other compensation that may have been earned by services rendered prior to the date the distribution is made. Unless otherwise determined by the
Committee, the amount of the award shall be determined by reference to the Fair Market Value of Common Stock. Performance Stock Awards, Performance Unit Awards, Restricted Stock Awards and Restricted Unit Awards are specific types of Stock Bonus
Awards. 
 2.38 “Stock Incentive” means an award granted under this Plan in one of the forms provided for in Section 3.

 2.39 “Stock Unit” means a unit evidencing the right to receive under certain conditions or in specified circumstances one
(1) share of Common Stock or equivalent value, as determined by the Committee. 
 2.40 “Subsidiary” means a corporation or
other form of business association of which shares (or other ownership interest) having more than fifty percent (50%) of the voting power are or in the future become owned or controlled, directly or indirectly, by the Company; provided,
however, that in the case of an Incentive Stock Option, the term “Subsidiary” shall mean a Subsidiary (as defined by the preceding clause) which is also a “subsidiary corporation” as defined in Section 424(f) of the Code.

  

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 2.41 “Time-Lapse Restricted Stock Incentive” means a Restricted Stock Award, Restricted Unit
Award, or any other Stock Incentive the award of which is based solely on continued employment with the Company for a specified period of time. 
  

	3.	Grants of Stock Incentives 

 3.1 Stock Incentives
to Employees/Participants. Subject to the provisions of the Plan, the Committee may at any time, or from time to time, grant Stock Incentives to one or more Employees that the Committee selects to be a Participant in the Plan, which may be
(i) Stock Bonus Awards, which may, but need not be Performance Stock Awards, Performance Unit Awards or Restricted Stock Awards, Restricted Unit Awards and/or (ii) Options, which may be Incentive Stock Options or Non-Statutory Stock
Options, and/or (ii) Stock Appreciation Rights. 
 3.2 Non-Employee Director Awards. Subject to the provisions of the Plan,
the Committee shall grant Director Stock Awards to Non-Employee Directors in accordance with Section 9 of the Plan. Notwithstanding anything else otherwise expressed or implied in the Plan, no other form of Stock Incentive shall be granted to
Non-Employee Directors under the Plan, and in no event shall any grant of an Incentive Stock Option be made to a Non-Employee Director. 
 3.3 Modifications. After a Stock Incentive has been granted, 
 (a) the Committee may waive any term or
condition thereof that could have been excluded from such Stock Incentive when it was granted, and 
 (b) with the written
consent of the affected Participant, may amend any Stock Incentive after it has been granted to include (or exclude) any provision which could have been included in (or excluded from) such Stock Incentive when it was granted, and no additional
consideration need be received by the Company in exchange for such waiver or amendment; 
 (c) provided, that modification of
any Option granted under the Plan shall be subject to the prohibition of repricing of Options stated in Section 7.9. 
 3.4 Forms of
Stock Incentives. A particular form of Stock Incentive may be granted to a Participant either alone or in addition to other Stock Incentives hereunder. The provisions of particular forms of Stock Incentives need not be the same for each
Participant. 
  

	4.	Stock Subject to the Plan 

 4.1 Shares
Authorized. The maximum number of shares of Common Stock authorized to be issued or transferred pursuant to all Stock Incentives granted under the Plan shall be five million (5,000,000) shares, subject to the provisions governing
restoration of shares stated below in Section 4.4 and the provisions for adjustment in Section 11. The maximum number of five million (5,000,000) shares authorized consists of the three million (3,000,000) shares authorized to be
issued or transferred on and after the date of initial adoption of the Plan on February 17, 2005, as approved by shareholders of the Company on May 19, 2005, and an additional two million (2,000,000) shares authorized to be issued and
transferred by amendment of the Plan and this Section 4.1, adopted and approved by the Board of Directors on February 21, 2008, and approved by shareholders of the Company on May 15, 2008. 
  

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 4.2 Grant, Award Limitations. Notwithstanding the foregoing, in addition to the overall
maximum limitation in Section 4.1, 
 (a) The maximum number of shares of Common Stock with respect to which Options or
Stock Appreciation Rights may be granted or issued to any one (1) Employee or Participant in any Plan Year is five hundred thousand (500,000); 
 (b) The maximum number of shares of Common Stock with respect to which Stock Incentives other than Options or Stock Appreciation Rights may be granted or issued to any one (1) Employee or Participant in any Plan
Year is five hundred thousand (500,000); 
 (c) The maximum aggregate number of shares of Common Stock and the maximum dollar
amount that may be issued or paid as Performance Stock Incentives to any one (1) Employee or Participant in any Plan Year are five hundred thousand (500,000) shares of Common Stock, and Ten Million Dollars ($10,000,000), respectively;

 (d) The maximum aggregate number shares of Common Stock that may be issued under the Plan through the granting of
Time-Lapse Restricted Stock Incentives is two million (2,000,000); 
 (e) The maximum aggregate number of shares of Common
Stock that may be issued under the Plan through the granting of Incentive Stock Options is one million seven hundred thousand (1,700,000); and 
 (f) The exercise of Incentive Stock Options is also subject to the calendar year dollar limitation provided in Section 422(d) of the Code and Section 7.6. 
 4.3 Source of Shares. Such shares may be authorized but unissued shares of Common Stock, shares of Common Stock held in treasury, whether
acquired by the Company specifically for use under this Plan or otherwise, or shares issued or transferred to, or otherwise acquired by, a trust pursuant to Section 13.5, as the Committee may from time to time determine, provided, however, that
any shares acquired or held by the Company for the purposes of this Plan shall, unless and until issued or transferred to a trust pursuant to Section 13.5, or to a Participant in accordance with the terms and conditions of a Stock Incentive, be
and at all times remain authorized but unissued shares or treasury shares (as the case may be), irrespective of whether such shares are entered in a special account for purposes of this Plan, and shall be available for any corporate purpose.

 4.4 Restoration and Retention of Shares. If any shares of Common Stock subject to a Stock Incentive shall not be issued or
transferred to a Participant and shall cease to be issuable or transferable to a Participant because of the termination, expiration or cancellation, in whole or in part, of such Stock Incentive or for any other reason, or if any such shares shall,
after issuance or transfer, be reacquired by the Company because of the Participant’s failure to comply with the terms and conditions of a Stock Incentive or for any other reason, the shares not so issued or transferred, or the shares so
reacquired by the Company, as the case may be, shall no longer be charged against the limitation provided for in Section 4.1 and may be used thereafter for additional Stock Incentives under the Plan; to the extent a Stock Incentive under the
Plan is settled or paid in cash, shares subject to such Stock Incentive will not be 

  

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considered to have been issued and will not be applied against the maximum number of shares of Common Stock provided for in Section 4.1. If a Stock
Incentive may be settled in shares of Common Stock or cash, such shares shall be deemed issued only when and to the extent that settlement or payment is actually made in shares of Common Stock; to the extent a Stock Incentive is settled or paid in
cash, and not shares of Common Stock, any shares previously reserved for issuance or transfer pursuant to such Stock Incentive will again be deemed available for issuance or transfer under the Plan; and the maximum number of shares of Common Stock
that may be issued or transferred under the Plan shall be reduced only by the number of shares actually issued and transferred to the Participant. If a Participant pays the purchase price of shares subject to an Option or applicable taxes by
surrendering shares of Common Stock in accordance with the provisions of 7.2, the number of shares surrendered shall be added back to the number of shares available for issuance or transfer under the Plan so that the maximum number of shares that
may be issued or transferred under the Plan pursuant to Section 4.1 shall have been charged only for the net number of shares issued or transferred pursuant to the Option exercise. 
  

	5.	Eligibility 

 An Employee who the Committee determines is in a
position to contribute significantly to the growth and profitability of, or to perform services of major importance to, the Company, its divisions and Subsidiaries shall be eligible and may be designated by the Committee to participate in the Plan
and be granted Stock Incentives as determined by the Committee, in its sole discretion, under the Plan. Subject to the provisions of the Plan, the Committee shall from time to time, in its sole discretion, select from such eligible Employees those
to whom Stock Incentives shall be granted and determine the number of Shares to be granted and the form and terms of the such Stock Incentives. Non-Employee Directors shall be eligible to be granted Stock Incentives and to become Participants in the
Plan to the extent provided in Sections 3.2 and 9 of the Plan. 
  

	6.	Stock Bonus Awards, Performance Stock Awards, Performance Unit Awards, Restricted Stock Awards and Restricted Unit Awards 

 Stock Bonus Awards, Performance Stock Awards, Performance Unit Awards, Restricted Stock Awards and Restricted Unit Awards shall be subject to the following provisions:

 6.1 Grants. An eligible Employee may be granted a Stock Bonus Award, Performance Stock Award, Performance Unit Award,
Restricted Stock Award, or Restricted Unit Award, and a Non-Employee Director may be granted a Director Stock Award, whether or not he or she is eligible to receive similar or dissimilar incentive compensation under any other plan or arrangement of
the Company. 
 6.2 Issuance of Shares. Shares of Common Stock subject to a Stock Bonus Award, Performance Stock Award,
Performance Unit Award, Restricted Stock Award or Restricted Unit Award, may be issued or transferred to a Participant at the time such Award is granted, or at any time subsequent thereto, or in installments from time to time, and subject to such
terms and conditions, as the Committee shall determine. In the event that any such issuance or transfer shall not be made to the Participant at the time such Award is granted, the Committee may but need not provide for payment to such Participant,
either in cash or shares of Common Stock, from 

  

 Page 10 

 
time to time or at the time or times such shares shall be issued or transferred to such Participant, of amounts not exceeding the dividends which would have
been payable to such Participant in respect of such shares (as adjusted under Section 11) if such shares had been issued or transferred to such Participant at the time such Award was granted. 
 6.3 Cash Settlement. Any Stock Bonus Award, Performance Stock Award, Performance Unit Award, Restricted Stock Award, or Restricted Unit Award
may, in the discretion of the Committee, be settled or paid in cash, or shares of Common Stock, or in either cash or shares of Common Stock. If a Stock Incentive is settled or paid in cash, such settlement and/or payment shall be made on each date
on which shares would otherwise have been delivered or become unrestricted, in an amount equal to the Fair Market Value on such date of the shares which would otherwise have been delivered or become unrestricted and the number of shares for which
such cash payment is made shall be added back to the maximum number of shares available for use under the Plan. Shares of Common Stock shall be deemed to be issued only when and to the extent that a Stock Bonus Award, Performance Stock Award,
Performance Unit Award, Restricted Stock Award, Restricted Unit Award or other Stock Incentive under the Plan is actually settled or paid in shares of Common Stock; and to the extent a Stock Incentive is settled or paid in cash, and not shares of
Common Stock, any shares previously reserved for issuance or transfer pursuant to such Stock Incentive will again be deemed available for issuance or transfer under the Plan. 
 6.4 Terms of Awards. Stock Bonus Awards, Performance Stock Awards, Performance Unit Awards, Restricted Stock Awards and Restricted Unit
Awards, shall be subject to such terms and conditions, including, without limitation, restrictions on the sale or other disposition of the shares issued or transferred pursuant to such Award, and conditions calling for forfeiture of the Award or the
shares issued or transferred pursuant thereto in designated circumstances, as the Committee shall determine; provided, however, that upon the issuance or transfer of shares to a Participant pursuant to any such Award, the recipient shall, with
respect to such shares, be and become a shareholder of the Company fully entitled to receive dividends, to vote and to exercise all other rights of a shareholder except to the extent otherwise provided in the Award. All or any portion of a Stock
Bonus Award may but need not be made in the form of a Performance Stock Award, a Performance Unit Award, a Restricted Stock Award or a Restricted Unit Award. 
 6.5 Loans Prohibited. The Committee shall not, without prior approval of the Company’s shareholders, grant any Stock Incentive that provides for the making of a loan or other extension of credit,
directly or indirectly, by the Company or Plan to an Employee, Participant, officer of the Company or any other person in connection with the grant, award or payment of such Stock Incentive. 
 6.6 Written Instrument. Each Stock Bonus Award, Performance Stock Award, Performance Unit Award, Restricted Stock Award and Restricted Unit
Award shall be evidenced in writing as authorized and provided for in Section 13.4. 
 6.7 Director Awards. Director Stock
Awards shall be granted as determined by the Committee in accordance with the provisions of Section 9, and as otherwise provided by this Plan. 
  

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	7.	Options 

 Options shall be subject to the following provisions:

 7.1 Option Price. Subject to the provisions of Section 10, the purchase price per share shall be, in the case of an
Incentive Stock Option, a Non-Statutory Stock Option, or any other Option granted under the Plan, not less than one hundred percent (100%) of the Fair Market Value of a share of Common Stock on the date the Option is granted (or in the case of
any optionee who, at the time an Incentive Stock Option is granted, owns stock possessing more than ten percent (10%) of the total combined voting power of all classes of stock of his or her employer corporation or of its parent or subsidiary
corporation, not less than one hundred ten percent (110%) of the Fair Market Value of a share of Common Stock on the date the Incentive Stock Option is granted). 
 7.2 Payment of Option Price. The purchase price of shares subject to an Option may be paid in whole or in part (i) in cash, (ii) by bank-certified, cashier’s or personal check subject to
collection, (iii) if so provided in the Option and subject to such terms and conditions as the Committee may impose, by delivering to the Company a properly executed exercise notice together with a copy of irrevocable instructions to a
stockbroker to sell immediately some or all of the shares acquired by exercise of the Option and to deliver promptly to the Company an amount of sale proceeds (or, in lieu of or pending a sale, loan proceeds) sufficient to pay the purchase price, or
(iv) if so provided in the Option and subject to such terms and conditions as are specified in the Option, in shares of Common Stock or other property surrendered to the Company. Property for purposes of this section shall include an obligation
of the Company unless prohibited by applicable law. Shares of Common Stock thus surrendered shall be valued at their Fair Market Value on the date of exercise. Any such other property thus surrendered shall be valued at its fair market value on any
reasonable basis established or approved by the Committee. Notwithstanding any other provision of the Plan, the Committee shall not, without prior approval of the Company’s shareholders, grant an Option or any other Stock Incentive that
provides for the making of a loan or other extension of credit, directly or indirectly, by the Company or Plan to an Employee, Participant, officer of the Company, or any other person in connection with the grant, exercise, payment or award of any
such Option or other Stock Incentive. 
 7.3 Option Terms. Options may be granted for such lawful consideration, including money
or other property, tangible or intangible, or labor or services received or to be received by the Company, as the Committee may determine when the Option is granted, including the agreement of the optionee to remain in the employ of the Company or
one or more of its Subsidiaries at the pleasure of the Company for such period, and on such terms, as are more particularly provided for therein. Property for purposes of the preceding sentence shall include an obligation of the Company unless
prohibited by applicable law. Subject to the foregoing and the other provisions of this Section 7, each Option may be exercisable in full at the time of grant or may become exercisable in one or more installments, at such time or times and
subject to satisfaction of such terms and conditions as the Committee may determine. The Committee may at any time accelerate the date on which an Option becomes exercisable, and no additional consideration need be received by the Company in
exchange for such acceleration. Unless otherwise provided in the Option, an Option, to the extent it becomes exercisable, may be exercised at any time in whole or in part until the expiration or termination of the Option. 
  

 Page 12 

 7.4 Exercise by Optionee. Each Option shall be exercisable during the life of the optionee
only by him or her or his or her guardian or legal representative, and after the death of the optionee only by his or her Beneficiary or, absent a Beneficiary, by his or her estate or by a person who acquired the right to exercise the Option by will
or the laws of descent and distribution; provided, that an Option that is made transferable by its terms and approved by the Committee pursuant to Section 12.1 shall be exercisable by a permissible transferee in accordance with the terms of the
Option. Each Option shall expire at such time or times as the Committee may determine; provided, that notwithstanding any other provision of this Plan, (i) no Option shall be exercisable after the expiration of ten (10) years from the date
the Option was granted, and (ii) no Incentive Stock Option which is granted to any optionee who, at the time such Option is granted, owns stock possessing more than ten percent (10%) of the total combined voting power of all classes of
stock of his or her employer corporation or of its parent or subsidiary corporation, shall be exercisable after the expiration of five (5) years from the date such Option is granted. If an Option is granted for a term of less than ten
(10) years, the Committee may, at any time prior to the expiration of the Option, extend its term for a period ending not later than the expiration of ten (10) years from the date the Option was granted, and no additional consideration
need be received by the Company in exchange for such extension. The Committee may but need not provide for an Option to be exercisable after termination of employment until its fixed expiration date (or until an earlier date or specified event
occurs). 
 7.5 Exercise of Option. An Option shall be considered exercised if and when written notice, signed by the person
exercising the Option, or an electronic communication if such communication is authorized and approved by the Committee in the terms of the Option, and stating the number of shares with respect to which the Option is being exercised, is received by
the Secretary in or on a form approved for such purpose by the Committee, accompanied by full payment of the Option exercise price in one or more forms of payment authorized by the Committee described in Section 7.2, for the number of share
purchased. No Option may at any time be exercised with respect to a fractional share. 
 7.6 Incentive Stock Options. An Option
may, but need not, be an Incentive Stock Option. All shares of Common Stock which may be made subject to Stock Incentives under this Plan may be made subject to Incentive Stock Options; provided that the aggregate Fair Market Value (determined as of
the time the Option is granted) of the stock with respect to which Incentive Stock Options may be exercisable for the first time by any Employee during any calendar year (under all plans, including this Plan, of his or her employer corporation and
its parent and subsidiary corporations) shall not exceed One Hundred Thousand Dollars ($100,000) or such other amount, if any, as may apply under the Code. In no event shall an Incentive Stock Option be granted under the Plan more than ten
(10) years from and after the date the Plan is adopted, or the date the Plan is approved by the shareholders of the Company, whichever is earlier. 
 7.7 Written Instrument. Each Option shall be evidenced in writing as authorized and provided for in Section 13.4. An Option, if so approved by the Committee, may include terms, conditions,
restrictions and limitations in addition to those provided for in this Plan including, without limitation, terms and conditions providing for the transfer or issuance of shares, on exercise of an Option, which may be non-transferable and forfeitable
to the Company in designated circumstances. 
  

 Page 13 

 7.8 Restored or Reload Options Prohibited. Notwithstanding any other provision of the Plan,
the Committee shall not, without prior approval of Company’s shareholders, grant an Incentive Stock Option, Non-Statutory Option or other form of Option under this Plan containing any provision pursuant to which the optionee is to be granted a
restored or reload Option of any kind by reason of the exercise of all or part of an Option by paying all or part of the exercise price of such Option by surrendering shares of Common Stock. 
 7.9 Repricing Prohibited. Notwithstanding any other provision of the Plan, except in connection with a corporate transaction involving the
Company (including, without limitation, any stock dividend, stock split, extraordinary cash dividend, recapitalization, reorganization, merger, consolidation, split-up, spin-off, combination, or exchange of shares), the terms of outstanding Stock
Incentives may not be amended to reduce the exercise price of outstanding Options or cancel outstanding Options in exchange for cash, other Stock Incentives or Options with an exercise price that is less than the exercise price of the original
Options without Company shareholder approval. 
 7.10 Regulatory Compliance. No Option shall be exercisable unless and until the
Company (i) obtains the approval of all regulatory bodies whose approval the General Counsel may deem necessary or desirable, and (ii) complies with all legal requirements deemed applicable by the General Counsel. 
  

	8.	Stock Appreciation Rights 

 8.1
General. Subject to the terms of the Plan, Stock Appreciation Rights may be granted to Employees by the Committee upon such terms and conditions as the Committee determines; provided, that the base price per share of a freestanding Stock
Appreciation Right shall be not less than one hundred percent (100%) of the Fair Market Value of a share of the Common Stock on the date of grant of a Stock Appreciation Right; and such Stock Appreciation Right shall be exercisable, or be
forfeited or expire upon such terms as the Committee determines and are made a part of such Stock Appreciation Right. 
 8.2 Stock
Appreciation Rights, Options. Stock Appreciation Rights may be granted by the Committee as freestanding Stock Incentives or in tandem with Options. A tandem Stock Appreciation Right may be included in an Option at the time the Option is
granted or by amendment of the Option. Exercise of any such a tandem Stock Appreciation Right will be deemed to surrender the related Option for cancellation and vice versa. 
 8.3 Exercise. A Stock Appreciation Right shall be exercised by delivery of written notice (including facsimile or electronic transmittal) to
the Committee setting forth the number of shares with respect to which the Stock Appreciation Right is exercised and date of exercise, at such time and as otherwise prescribed in the Stock Appreciation Right. 
 8.4 Settlement. A Stock Appreciation Right may be settled or paid in either cash, shares of Common Stock, or a combination thereof in
accordance with its terms. If a Stock Appreciation Right is settled or paid in shares of Common Stock, such shares shall be deemed to be issued hereunder only when and to the extent that settlement or payment is actually made in shares of Common
Stock. To the extent that a Stock Appreciation Right is actually settled in cash and not shares of Common Stock, any shares previously reserved for issuance or transfer pursuant to such Stock Appreciation Right shall again be deemed available for
issuance or transfer under the Plan; and the maximum number of shares of Common Stock that may be issued under the Plan shall not be reduced by any actual settlement of a Stock Appreciation Right in cash. 
  

 Page 14 

 8.5 Written Instrument. Each Stock Appreciation Right granted shall be evidenced in writing
as authorized and provided in Section 13.4. 
 8.6 Repricing Prohibited. Notwithstanding any other provision of the Plan,
except in connection with a corporate transaction involving the Company (including, without limitation, any stock dividend, stock split, extraordinary cash dividend, recapitalization, reorganization, merger, consolidation, split-up, spin-off,
combination, or exchange of shares), the terms of outstanding Stock Incentives may not be amended to reduce the exercise price of outstanding Stock Appreciation Rights or cancel outstanding Stock Appreciation Rights in exchange for cash, other Stock
Incentives or Stock Appreciation Rights with an exercise price that is less than the exercise price of the original Stock Appreciation Rights without Company shareholder approval. 
  

	9.	Director Stock Awards 

 9.1 General. Each
Non-Employee Director Participant shall receive such portion of his or her Director Fees in Common Stock as shall be established from time to time by the Board, with the remainder of such Director Fees to be payable in cash or in Common Stock as
elected by the Non-Employee Director Participant in accordance with Section 9.2. 
 9.2 Non-Employee Director Election. Each
Non-Employee Director Participant shall have an opportunity to elect to have the remaining portion of his or her Director Fees paid in cash or shares of Common Stock or a combination thereof. Except for the initial election pursuant to the adoption
of the Plan, or the Director’s election to the Board, any such election shall be made in writing and must be made at least thirty (30) days before the beginning of the Plan Year in which the services are to be rendered giving rise to such
Director Fees and may not be changed thereafter except by timely written election as to Director Fees for services to be rendered in a subsequent Plan Year. In the absence of such an election, such remaining portion of the Director Fees of a
Non-Employee Director shall be paid entirely in cash. Nothing contained in this Section 9.2 shall be interpreted in such a manner as would disqualify the Plan for treatment as a “formula plan” under Rule 16b-3 pursuant to which the
terms and conditions of each transaction authorized by Section 9.1 are fixed in advance by the relevant terms and provisions thereof. 
 9.3 Share Awards. The number of shares of Common Stock to be paid and distributed to a Non-Employee Director under the provisions of Sections 9.1 and 9.2, shall be determined by dividing the dollar amount of his or her Director
Fees (which the Board has established, and/or such Non-Employee Director has elected) to be paid in Common Stock on any payment date by the Fair Market Value of a share of Common Stock on that date. Except as may otherwise be directed by the
Committee, in its sole discretion, the payment and distribution of such shares to a Non-Employee Director shall be on or within five days after the date such Director Fees would otherwise have been paid to him or her in cash. 
  

 Page 15 

	10.	Certain Change in Control, Termination of Employment and Disability Provisions 

 Notwithstanding any provision of the Plan to the contrary, any Stock Incentive which is outstanding but not yet exercisable, vested or payable at the time of a Change in Control shall become exercisable, vested and
payable at that time; provided, that if such Change in Control occurs less than six months after the date on which such Stock Incentive was granted and if the consideration for which such Stock Incentive was granted consisted in whole or in part of
future services, then such Stock Incentive shall become exercisable, vested and payable at the time of such Change in Control only if the Participant agrees in writing (if requested to do so by the Committee in writing) to remain in the employ of
the Company or a Subsidiary at least through the date which is six months after the date such Stock Incentive was granted with substantially the same title, duties, authority, reporting relationships and compensation as on the day immediately
preceding the Change in Control. Any Option affected by the preceding sentence shall remain exercisable until it expires or terminates pursuant to its terms and conditions. Subject to the foregoing provisions of this Section 10, the Committee
may at any time, and subject to such terms and conditions as it may impose: 
 (a) authorize the holder of an Option to
exercise the Option following the termination of the Participant’s employment with the Company and its Subsidiaries, or following the Participant’s disability, whether or not the Option would otherwise be exercisable following such event,
provided that in no event may an Option be exercised after the expiration of its term; 
 (b) grant Options which become
exercisable only in the event of a Change in Control; 
 (c) authorize a Stock Bonus Award, Performance Stock Award,
Performance Unit Award, Restricted Stock Award, or Restricted Unit Award to become non-forfeitable, fully earned and payable upon or following (i) the termination of the Participant’s employment with the Company and its Subsidiaries, or
(ii) the Participant’s disability, whether or not the Award would otherwise become non-forfeitable, fully earned and payable upon or following such event; 
 (d) grant Stock Bonus Awards, Performance Stock Award, Performance Unit Awards, Restricted Stock Awards or Restricted Unit Awards which
become non-forfeitable, fully earned and payable only in the event of a Change in Control; and 
 (e) provide in advance or at
the time of Change in Control for cash to be paid in settlement of any Option, Stock Bonus Award, Performance Stock Award, Performance Unit Award, Restricted Stock Award or Restricted Unit Award in the event of a Change in Control, either at the
election of the Participant or at the election of the Committee. 
  

	11.	Adjustment Provisions 

 In the event that any recapitalization, or
reclassification, split-up or consolidation of shares of Common Stock shall be effected, or the outstanding shares of Common Stock shall be, in connection with a merger or consolidation of the Company or a sale by the Company of all or a part of its
assets, exchanged for a different number or class of shares of stock or other securities or property of the Company or any other entity or person, or a record date for determination of holders of Common Stock entitled to receive a dividend or other
distribution payable in Common Stock or other property (other than normal cash dividends) shall occur, (i) the 

  

 Page 16 

 
number and class of shares or other securities or property that may be issued or transferred pursuant to Stock Incentives thereafter granted or that may be
optioned or awarded under the Plan to any Participant, (ii) the number and class of shares or other securities or property that may be issued or transferred under outstanding Stock Incentives, (iii) the purchase price to be paid per share
under outstanding and future Stock Incentives, and (iv) the price to be paid per share by the Company or a Subsidiary for shares or other securities or property issued or transferred pursuant to Stock Incentives which are subject to a right of
the Company or a Subsidiary to reacquire such shares or other securities or property, shall in each case be equitably adjusted; provided that with respect to Incentive Stock Options any such adjustments shall comply with Sections 422 and 424 of the
Code. 
  

	12.	Administration 

 12.1 Committee. The
Plan shall be administered by a committee of the Board of Directors consisting of two or more non-employee directors appointed from time to time by the Board of Directors. A majority of the Committee members shall constitute a quorum. The acts of a
majority of the Committee members at a meeting at which a quorum is present or acts approved in writing by a majority of the Committee members shall be deemed acts of the Committee. Each member of the Committee shall satisfy such criteria of
independence as the Board of Directors may establish and such regulatory or listing requirements as the Board of Directors may determine to be applicable or appropriate. No person shall be appointed to or shall serve as a member of such Committee
unless at the time of such appointment and service he or she shall be a “Non-Employee Director,” as defined in SEC Rule 16b-3. Unless the Board of Directors determines otherwise, the Committee shall be comprised solely of “outside
directors” within the meaning of Section 162(m)(4)(C)(i) of the Code. 
 12.2 Committee Authority, Rules, Interpretations of
Plan. The Committee may establish such rules and regulations, not inconsistent with the provisions of the Plan, as it may deem necessary for the proper administration of the Plan, and may amend or revoke any rule or regulation so
established. The Committee shall, subject to the provisions of the Plan, have full power to interpret, administer and construe the Plan and any instruments issued under the Plan and full authority to make all determinations and decisions thereunder
including without limitation the authority to (i) select the Participants in the Plan, (ii) determine when Stock Incentives shall be granted, (iii) determine the number of shares to be made subject to each Stock Incentive,
(iv) determine the type of Stock Incentive to grant, (v) determine the terms and conditions of each Stock Incentive, including the exercise price, in the case of an Option, (vi) prescribe the terms and forms of written instruments
evidencing Stock Incentives granted pursuant to and in accordance with the Plan and other forms necessary for administration of the Plan, and (vii) approve any transaction involving a Stock Incentive for a Section 16 Person (other than a
“Discretionary Transaction” as defined in SEC Rule 16b-3) so as to exempt such transaction under SEC Rule 16b-3; provided, that any transaction under the Plan involving a Section 16 Person also may be approved by the Board of
Directors, or may be approved or ratified by the shareholders of the Company, in the manner that exempts such transaction under SEC Rule 16b-3. The interpretation by the Committee of the terms and provisions of the Plan and any instrument or other
evidence of a Stock Incentive issued thereunder, and its administration thereof, and all action taken by the Committee, shall be final, binding, and conclusive on the Company, the shareholders of the Company, Subsidiaries, all Participants and
employees, and upon their respective Beneficiaries, successors and assigns, and upon all other persons claiming under or through any of them. 
  

 Page 17 

 12.3 Limitation of Liability. Members of the Board of Directors and members of the Committee
acting under this Plan shall be fully protected in relying in good faith upon the advice of counsel and shall incur no liability except for gross or willful misconduct in the performance of their duties. 
  

	13.	General Provisions 

 13.1
Nontransferability. Any provision of the Plan to the contrary notwithstanding, any Stock Incentive issued under the Plan, including without limitation any Option, shall not be transferable by the Participant other than by will or the
laws of descent and distribution or to a Beneficiary designated by the Participant, unless the instrument evidencing the Stock Incentive expressly so provides (or is amended to so provide) and is approved by the Committee; and any purported transfer
of an Incentive Stock Option to a Beneficiary, or other transferee, shall be effective only if such transfer is, in the opinion of the General Counsel, permissible under and consistent with SEC Rule 16b-3 or Section 422 of the Code, as the case
may be. Notwithstanding the foregoing, a Participant may transfer any Stock Incentive granted under this Plan, other than an Incentive Stock Option, to members of his or her immediate family (defined as his or her children, grandchildren and spouse)
or to one or more trusts for the benefit of such immediate family members or partnerships in which such immediate family members are the only partners if (and only if) the instrument evidencing such Stock Incentive expressly so provides (or is
amended to so provide) and is approved by the Committee; provided, that under no circumstances shall any transfer of a Stock Incentive be made for value or consideration to the Participant. Any such transferred Stock Incentive shall continue to be
subject to the same terms and conditions that were applicable to such Stock Incentive immediately prior to its transfer (except that such transferred Stock Incentive shall not be further transferable by the transferee inter vivos, except for
transfer back to the original Participant holder of the Stock Incentive) and provided, further, that the foregoing provisions of this sentence shall apply to Section 16 Persons only if the General Counsel determines that doing so would not
jeopardize any exemption from Section 16 of the Exchange Act (including without limitation SEC Rule 16b-3) for which the Company intends Section 16 Persons to qualify. The designation of a Beneficiary by a Participant pursuant to
Section 13.15 is not a transfer for purposes of the foregoing provisions of this paragraph. 
 13.2 No Employment
Contract. Nothing in this Plan or in any instrument executed pursuant hereto shall confer upon any person any right to continue in the employment of the Company or a Subsidiary, or shall affect the right of the Company or a Subsidiary to
terminate the employment of any person at any time with or without cause. 
 13.3 Right to Shares. No shares of Common Stock
shall be issued or transferred pursuant to a Stock Incentive unless and until all legal requirements applicable to the issuance or transfer of such shares have, in the opinion of the General Counsel, been satisfied. Any such issuance or transfer
shall be contingent upon the person acquiring the shares giving the Company any assurances the General Counsel may deem necessary or desirable to assure compliance with all applicable legal requirements. 
  

 Page 18 

 13.4 Written Instrument. A Stock Incentive granted under this Plan shall be evidenced in
writing in such manner as the Committee determines, including, without limitation, by written or physical instrument, by electronic communication, or by book entry. Such written evidence of a Stock Incentive shall contain the terms and conditions
thereof, consistent with this Plan, which shall be incorporated in it by reference. In the event of any dispute or discrepancy regarding the terms of a Stock Incentive, the records of the Board of Directors and Committee shall be determinative.

 13.5 Limitation of Interest. No person (individually or as a member of a group) and no Beneficiary or other person claiming
under or through him or her, shall have any right, title or interest in or to any shares of Common Stock (i) issued or transferred to, or acquired by, a trust, (ii) allocated, or (iii) reserved for the purposes of this Plan, or
subject to any Stock Incentive except as to such shares of Common Stock, if any, as shall have been issued or transferred to him or her. The Committee may (but need not) provide at any time or from time to time (including without limitation upon or
in contemplation of a Change in Control) for a number of shares of Common Stock, equal to the number of such shares subject to Stock Incentives then outstanding, to be issued or transferred to, or acquired by, a trust (including but not limited to a
grantor trust) for the purpose of satisfying the Company’s obligations under such Stock Incentives, and, unless prohibited by applicable law, such shares held in trust shall be considered authorized and issued shares with full dividend and
voting rights, notwithstanding that the Stock Incentives to which such shares relate shall not have been exercised or may not be exercisable or vested at that time. 
 13.6 Withholdings. The Company and its Subsidiaries may make such provisions as they may deem appropriate for the withholding of any taxes which they determine they are required to withhold in connection
with any Stock Incentive. Without limiting the foregoing, the Committee may, subject to such terms and conditions as it may impose, permit or require any withholding tax obligation arising in connection with the grant, exercise, vesting,
distribution or payment of any Stock Incentive to be satisfied in whole or in part, with or without the consent of the Participant, by having the Company withhold all or any part of the shares of Common Stock that vest or would otherwise be
distributed at such time. Any shares so withheld shall be valued at their Fair Market Value on the date of such withholding. 
 13.7 Other
Plans. Nothing in this Plan is intended to be a substitute for, or shall preclude or limit the establishment or continuation of, any other plan, practice or arrangement for the payment of compensation or fringe benefits to directors,
officers or employees generally, or to any class or group of such persons, which the Company or any Subsidiary now has or may hereafter lawfully put into effect, including, without limitation, any incentive compensation, retirement, pension, group
insurance, stock purchase, stock bonus or stock option plan. 
 13.8 Section 16 Exemption Requirements. Any provision of the
Plan to the contrary notwithstanding, except to the extent that the Committee determines otherwise, transactions by and with respect to Section 16 Persons under the Plan are intended to qualify for any applicable exemptions provided by SEC Rule
16b-3, and the provisions of the Plan and Stock Incentives granted under the Plan shall be administered, interpreted and construed to carry out such intent and any provision that cannot be so administered, interpreted and construed shall to that
extent be disregarded. 
  

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 13.9 Section 162(m) Qualification. Any provision of the Plan to the contrary
notwithstanding, except to the extent the Committee determines otherwise, transactions with respect to persons whose remuneration would not be deductible by the Company but for compliance with the provisions of Section 162(m) of the Code are
intended to be Qualified Performance Stock Incentives that comply with the provisions of Section 162(m) of the Code. The Plan is also intended to give the Committee the authority to award Stock Incentives that are Qualified Performance Stock
Incentive awards that qualify as performance-based compensation under Section 162(m) of the Code, as well as Stock Incentives that are Non-Qualified Performance Stock Incentive awards that do not so qualify. Every provision of the Plan shall be
administered, interpreted and construed to carry out such intent and any provision that cannot be so administered, interpreted and construed shall to that extent be disregarded. In administration and interpretation of the Plan: 
 (a) Performance Stock Incentives granted to Employees under the Plan that are intended to be Qualified Performance Stock Incentives shall
be paid, vested or otherwise awarded and delivered solely on account of the attainment of one or more pre-established, objective Performance Goals established by the Committee in writing. A Performance Goal shall generally be pre-established prior
to commencement of the Performance Period, and in no event later than the earlier of (i) ninety (90) days after the commencement of the period of service to which a Performance Goal relates, provided, that the outcome is substantially
uncertain at the time the Performance Goal is established, and (ii) the lapse of twenty-five percent (25%) of the period of service (as scheduled in good faith at the time the Performance Goal is established), and in any event while the
outcome is substantially uncertain. A Performance Goal shall be deemed objective if a third party having knowledge of the relevant facts could determine if it is met. Such a Performance Goal may be based on one or more business performance criteria
that apply to a Participant, one or more business units, subsidiaries, divisions or sectors of the Company, or the Company as a whole, and if so determined by the Committee, by comparison with a designated peer group of companies or businesses. A
Performance Goal may include one or more of the following criteria or standards: (i) increased revenue, (ii) net income measures, including without limitation, income after capital costs, and income before or after taxes, (iii) stock
price measures, including without limitation, growth measures and total stockholder return, (iv) market share, (v) earnings per share (actual or targeted growth), (vi) earnings before interest, taxes, depreciation, and amortization,
(vii) economic value added, (viii) cash flow measures, including without limitation, net cash flow, and net cash flow before financing activities, (ix) return measures, including without limitation, return on equity, return on average
assets, return on capital, risk adjusted return on capital, return on investors’ capital and return on average equity, (x) operating measures, including without limitation, operating income, funds from operations, cash from operations,
after-tax operating income, sales volumes, production volumes, and production efficiency, (xi) expense measures, including but not limited to, finding and development costs, overhead costs, and general and administrative expense,
(xii) margins, (xiii) shareholder value, (xiv) total shareholder return, (xv) reserve addition, (xvi) proceeds from dispositions, (xvii) total market value, and (xviii) corporate value criteria or standards
including, without limitation, ethics, environmental and safety compliance. 
  

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 (b) A Performance Goal need not be based upon an increase or a positive result under a
particular business criterion, and may include, the maintaining of the status quo or limiting economic or financial losses measured by reference to specific business criteria. A Performance Goal must include business criteria, and a Performance Goal
shall not be established or be considered to exist based on the mere continued employment of an Employee. 
 (c) Performance
Goals may be identical for all Participants, or may be different for one or more Participants, as determined by the Committee in its sole discretion. 
 (d) In interpreting the provisions of the Plan and Stock Incentives granted under the Plan applicable to Qualified Performance Stock Incentives, it is intended that the Plan will conform with the standards and
requirements of Section 162(m) of the Code and Treasury Regulation §1.162-27(e)(2), and any successor provisions of the Code and Treasury Regulations as to Stock Incentives granted to those Employees whose compensation is, or likely to be,
subject to Section 162(m) of the Code, and the Committee in establishing Performance Goals and interpreting the Plan and Stock Incentives shall be guided by such provisions, as it determines, in its sole discretion. 
 (e) Prior to the payment or distribution of any compensation based upon the achievement of Performance Goals for a Qualified Performance
Stock Incentive, the Committee shall certify in writing that the applicable Performance Goals and any of the material terms thereof were, in fact, satisfied. The approved minutes of a Committee meeting or written memorandum of action of the
Committee without a meeting in which the certification is made may be treated as a written certification. Certification by the Committee is not required for compensation that is attributable solely to the increase in the value of the Common Stock.

 (f) Subject to the foregoing provisions, the terms, conditions and limitations applicable to any Qualified Performance
Stock Incentives that are granted pursuant to the Plan shall be determined by the Committee. 
 13.10 Plan Acceptance. By
accepting any benefits under the Plan, each Participant, and each person claiming under or through a Participant shall be conclusively deemed to have indicated his or her acceptance and ratification of, and consent to, all provisions of the Plan and
any action or decision under the Plan by the Company, its agents and employees, and the Board of Directors and the Committee. 
 13.11
Governing Law. The validity, construction, interpretation and administration of the Plan and of any determinations or decisions made thereunder, and the rights of all persons having or claiming to have any interest therein or thereunder,
shall be governed by, and determined exclusively in accordance with, the laws of the State of Oklahoma, but without giving effect to the principles of conflicts of laws thereof. Without limiting the generality of the foregoing, the period within
which any action arising under or in connection with the Plan must be commenced, shall be governed by the laws of the State of Oklahoma, without giving effect to the principles of conflicts of laws thereof, irrespective of the place where the act or
omission complained of took place and of the residence of any party to such action and irrespective of the place where the action may be brought. 
  

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 13.12 No Secured Interest. A Participant shall have only a right to shares of Common Stock or
cash or other amounts, if any, payable in settlement of a Stock Incentive under this Plan, unsecured by any assets of the Corporation or any other entity. 
 13.13 Gender and Singular References. The use of the masculine gender shall also include within its meaning the feminine. The use of the singular shall include within its meaning the plural and vice versa.

 13.14 Death of Participant. Unless otherwise specified in the Stock Incentive, if the person to whom the Stock Incentive is
granted dies, then (1) an Option that is not yet exercisable shall become immediately exercisable in full, (2) any remaining restrictions with respect to the Stock Incentive shall expire, and (3) the Committee may alter or accelerate
the settlement schedule, Performance Goals or other performance criteria, or payment or other terms of any Stock Incentive. 
 13.15
Beneficiary Designation. A Participant to whom a Stock Incentive is granted under this Plan may designate a Beneficiary in writing and in accordance with such requirements and procedures as the Committee may establish. 
  

	14.	Plan Amendment and Termination 

 The Plan may be amended by the
Board of Directors, without shareholder approval, at any time and in any respect, unless approval of the amendment in question by the shareholders of the Company is required under Oklahoma law, the Code (including without limitation Code
Section 422 and Proposed Treasury Regulation Section 1.422A-9(b)(iv) thereunder), any applicable exemption from Section 16 of the Exchange Act (including without limitation SEC Rule 16b-3) for which the Company intends Section 16
Persons to qualify, any national securities exchange or system on which the Common Stock is then listed or reported, by any regulatory body having jurisdiction with respect to the Plan, or under any other applicable laws, rules or regulations, in
which case such amendment shall be effective only if and to the extent it is approved by the shareholders of the Company as so required. The Plan may also be terminated at any time by the Board of Directors. No amendment or termination of this Plan
shall adversely affect any Stock Incentive granted prior to the date of such amendment or termination without written consent of the Participant. 
  

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