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CH2M HILL COMPANIES, LTD.
  PAYROLL DEDUCTION STOCK PURCHASE PLAN
  AS AMENDED AND RESTATED EFFECTIVE JANUARY 1, 2002    
  

1.    Purpose  

        CH2M HILL Companies, Ltd. (the "Company") previously established the CH2M HILL Companies, Ltd. Payroll Deduction Stock Purchase Plan (the "Plan"),
effective November 12, 1999. The Plan is amended and restated, effective January 1, 2002, in order to increase the number of shares of Common Stock reserved for issuance under the Plan.
The purpose of the Plan is to secure for the Company and its shareholders the benefits inherent in the ownership of capital stock of the Company by employees of the Company and its Affiliates. The
Plan is intended to provide to eligible employees of the Company and designated Affiliates an opportunity to purchase shares of Common Stock through payroll deductions. The Plan encompasses two
components. One component ("423 Component") constitutes a plan designed to comply with Section 423(b) of the Code, such that the shares purchased under that component will qualify for the
favorable tax treatment provided by Sections 423(a) and 421(a) of the Code. The second component ("non-423 Component") constitutes a plan which provides for the purchase of shares which do
not qualify for the favorable tax treatment provided by Sections 423(a) and 421(a) of the Code. 

2.    Definitions  

        (a)  "Affiliate"
means each entity in which the Company has a direct or indirect ownership interest, whether such entity is a corporation, a partnership, a joint venture, a
limited liability company, or any other form of entity. 

        (b)  "Agent"
means the Agent for the Plan and shall be either the Company or its designee. 

        (c)  "Board"
means the Board of Directors of the Company. 

        (d)  "Code"
means the Internal Revenue Code of 1986, as amended. 

        (e)  "Committee"
means the Payroll Deduction Stock Purchase Plan Committee, which is responsible for administering the Plan. 

        (f)    "Company
Percent" means the percent of the purchase price contributed by the Company pursuant to the provisions of Section 11. The Company Percent shall be from
zero percent (0%) to fifteen percent (15%) and shall initially be ten percent (10%) until changed by the Board. 

        (g)  "Fair
Market Value" as of any date means the Formula Price per share of Common Stock in effect on that date, as determined by the Board in accordance with the Company's
Articles of Incorporation and Bylaws, as amended from time to time. 

        (h)  "Internal
Market" means the limited secondary market maintained by the Company for the purchase and sale of Common Stock of the Company. 

        (i)    "Participant
Percent" means the difference between one hundred percent (100%) and the Company Percent. 

        (j)    "Subsidiary
Corporation" means any corporation (other than the Company) in an unbroken chain of corporations that begins with the Company and in which each of the
corporations other than the last corporation in the chain owns at least fifty percent (50%) of the total voting power of all classes of stock in one of the other corporations in the chain. 

3.    Stock Subject to the Plan  

        The capital stock which may be purchased under the Plan is the Common Stock, par value one cent ($0.01) per share (the "Common Stock"), of the Company. The Common
Stock purchased by the Agent for stock purchase accounts under the Plan shall be subject to the terms, conditions, and 

 

restrictions set forth in the Articles of Incorporation and Bylaws of the Company, as amended from time to time, including: (a) restrictions that grant the Company the right to repurchase
shares upon termination of the shareholder's affiliation with the Company; (b) restrictions that grant the Company a right of first refusal if the shareholder wishes to sell shares other than
in the Internal Market; (c) restrictions that require the approval of the Company for any other sale of shares; and (d) restrictions that define the Formula Price to be applied in
purchases and sales of shares. The number of shares of Common Stock reserved for issuance under the Plan is 3,000,000. 

4.    Administration  

        (a)  The
Plan shall be administered by the Committee. The Committee shall have the number of members determined by the President of the Company, with a minimum of two
(2) members. The members of the Committee shall be appointed by and shall serve at the discretion of the President of the Company. Vacancies occurring in the membership of the Committee shall
be filled by appointment by the President of the Company. 

        (b)  Subject
to the provisions of the Plan, the Committee shall have the authority, in its discretion and on behalf of the Company: 

	(i)
	to
prescribe, amend, and rescind rules and regulations relating to the Plan;

	(ii)
	to
prescribe forms for carrying out the provisions and purposes of the Plan;

	(iii)
	to
interpret the Plan; and

	(iv)
	to
make all other determinations deemed necessary or advisable for the administration of the Plan, including factual determinations. 

        (c)  In
exercising its authority, the Committee shall have the broadest possible discretion and the Committee's determinations under the Plan made in good faith shall be
binding and conclusive on participating employees and other persons claiming entitlements under the Plan. In no event shall a Committee determination with respect to a particular employee or provision
of the Plan be binding with respect to any other employee (even if similarly situated) nor with respect to any future determinations regarding the same or other provisions of the Plan. No member of
the Committee shall be liable for any action taken or determination made in administering the Plan, if such action is taken or such determination is made in good faith. 

        (d)  A
majority of the Committee shall constitute a quorum. The acts of a majority of the members present at any meeting at which a quorum is present, or acts approved in
writing by all of the members, shall be the acts of the Committee. 

5.    Eligibility  

        (a)  The
Committee shall from time to time designate the corporations whose employees may participate in the 423 Component of the Plan, provided that only the Company and its
Subsidiary Corporations (including corporations that become Subsidiary Corporations after the adoption and approval of the Plan) shall be eligible to be designated by the Committee to participate in
the 423 Component of the Plan. Subject to the terms, provisions, and conditions of the Plan, each employee of each designated corporation shall be eligible to participate in the 423 Component of the
Plan, except for: (i) an employee who owns capital stock having five percent (5%) or more of the total combined voting power or value of all classes of capital stock of the Company or of any of
its Subsidiary Corporations; (ii) an employee whose customary employment is less than twenty (20) hours per week; and (iii) an employee whose customary employment is for less than
five (5) months in any calendar year. The Committee may impose additional eligibility requirements consistent with Section 423(b) of the Code. The Committee's determination of the status
of an individual as an employee eligible to 

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participate in the 423 Component of the Plan for a particular purchase date or period shall be final, binding, and conclusive, regardless of any subsequent reclassification or change in status. 

        (b)  The
Affiliates whose employees may participate in the non-423 Component of the Plan shall be designated from time to time by the Committee. The Committee, in
its sole discretion, shall have the power and authority to modify the eligibility for, and terms and conditions of, participation in the Plan by employees of such Affiliates and to establish subplans,
modified Plan procedures, and other terms and procedures to the extent such actions are deemed necessary or desirable by the Committee. Participation in the non-423 Component of the Plan
by employees of designated Affiliates and the offer and purchase of Common Stock by such employees shall not be considered part of, or pursuant to, a plan qualified under Section 423 of the
Code. 

        (c)  An
employee shall cease to be eligible to participate in the 423 Component of the Plan upon termination of employment with all corporations participating in the 423
Component of the Plan, whether by death, total disability, retirement, transfer to an entity that is not participating in the 423 Component of the Plan, or otherwise. A former employee of a
participating corporation shall again become eligible to participate in the 423 Component of the Plan as of the date of such person's re-employment by a corporation participating in the
423 Component of the Plan. 

        (d)  An
employee shall cease to be eligible to participate in the non-423 Component of the Plan upon termination of employment with all Affiliates participating
in the non-423 Component of the Plan, whether by death, total disability, retirement, transfer to an entity that is not participating in the non-423 Component of the Plan, or
otherwise. A former employee of a participating Affiliate shall again become eligible to participate in the non-423 Component of the Plan as of the date of such person's
re-employment by an Affiliate participating in the non-423 Component of the Plan. 

        (e)  No
employee shall be entitled to purchase shares of Common Stock with a Fair Market Value (measured as of the purchase date) of more than twenty-five
thousand dollars ($25,000) in any calendar year under the Plan and any other "employee stock purchase plan" of the Company or any of its Affiliates, or at any other rate of purchase that exceeds the
rate allowed for plans qualifying under Section 423(b) of the Code. 

6.    Participation in the Plan  

        (a)  An
eligible employee may enter the Plan at any time prior to termination of the Plan. An eligible employee enters the Plan by completing a payroll deduction
authorization form and delivering such form in the manner prescribed by the Committee. Alternatively, the Committee may prescribe or permit electronic enrollment procedures. The employee's payroll
deduction authorization shall authorize regular payroll deductions from the employee's compensation. 

        (b)  The
participating employee's payroll deduction authorization form shall also designate the Company or the Company's designee to be the Agent for the employee with
respect to all stock certificates for shares purchased under the Plan. All stock certificates representing shares purchased for participating employees shall be delivered to and held by the Agent.
Prior to any record date established by the Company for any vote of its shareholders, the Agent shall distribute to each participant a stock certificate representing all shares purchased under the
Plan and not yet distributed to the participant. Alternatively, the Committee may prescribe or authorize bookkeeping entry or electronic recording of share ownership. 

7.    Payroll Deductions  

        (a)  Payroll
deductions for a participating employee shall be in an amount specified by the employee in the participating employee's payroll deduction authorization form, but
not less than one percent (1%) nor more than ten percent (10%) of the participating employee's compensation, 

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expressed as a whole percentage of such compensation. Compensation for purposes of the Plan shall be defined by the Committee; provided, however, compensation shall include the regular wages, salary
or commissions paid to the employee. Payroll deductions shall be credited to the stock purchase account maintained for the participating employee. 

        (b)  A
participating employee may increase or decrease the amount of the participating employee's payroll deduction (within the minimum and maximum limits provided for in
Section 7(a) above) at any time, subject to such rules as may be adopted by the Committee with respect to the effective date of such changes. A participating employee increases or decreases the
amount of the participating employee's payroll deduction by delivering or providing a new payroll deduction authorization form in the manner prescribed by the Committee. 

8.    Stock Purchase Accounts  

        (a)  Amounts
credited to a participating employee's stock purchase account may not be assigned, transferred, pledged, hypothecated, or otherwise disposed of in any way by a
participating employee other than by will or the laws of descent and distribution, and any attempt to do so shall be null and void and without effect. 

        (b)  No
interest will be paid on the amounts credited to a participating employee's stock purchase account, unless required by applicable law. 

9.    Purchase Price of Shares  

        Unless otherwise determined by the Board, the purchase price of each share of Common Stock purchased under the Plan shall be the Fair Market Value in effect as of
the date of purchase. 

10.    Purchase of Shares  

        (a)  Shares
will be purchased by the Agent in the Internal Market or shares will be issued by the Company from the remaining balance of those shares reserved for issuance
under Section 3 of the Plan. 

        (b)  Stock
purchases shall be made on predetermined purchase dates established by the Committee, which may coincide with the dates that trades are conducted for the Internal
Market. If on any purchase date a participating employee has an amount credited to the participating employee's stock purchase account, the Agent shall use such amount to pay the Participant Percent
of the purchase price of shares of Common Stock. The employee's stock purchase account shall be charged with the Participant Percent of the purchase price of such shares. 

        (c)  With
respect to both newly issued shares of Common Stock which are purchased for the account of participating employees under the Plan and shares purchased on the
Internal Market, a stock certificate will be issued in the name of the Agent and held by the Agent in accordance with Section 6 of the Plan. Notwithstanding that such stock certificates are
held by the Agent for participating employees, each participant shall have all the rights and privileges of a shareholder with respect to the shares purchased for the participating employee's account,
subject to the provisions of Sections 6 and 10(d). Alternatively, the Committee may prescribe or authorize bookkeeping entry or electronic recording of share ownership. 

        (d)  Except
as provided in this Section 10(d), shares purchased pursuant to the Plan may not be sold, transferred, pledged as collateral, or in any way encumbered for
so long as the stock certificates are held by the Agent. A participant may apply to the Committee for permission to sell shares that have been purchased by the participant pursuant to the Plan but
which have not yet been distributed to the participant. The Committee, in its sole discretion, may grant or deny the application or may grant the application in part and deny the remainder of the
application. The Committee's action on any such 

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application shall be final and binding for all purposes and shall not be subject to review. If the Committee grants an application in whole or in part, the Agent will place an order to sell the
participant's shares with respect to which the application was granted at the next date on which trades are conducted for the Internal Market. If the order to sell shares is accepted in whole or in
part, the
Agent will sell the shares for which the order was accepted and will distribute the net proceeds from such sale to the participant. Any shares with respect to which the participant's application is
denied or with respect to which the Agent's order to sell shares is not accepted will continue to be held by the Agent until such shares are distributed to the participant in accordance with
Section 6(b). 

11.    Company Contributions  

        The Company shall contribute the Company Percent of the purchase price of each share of Common Stock purchased under the Plan. On each purchase date, the Company
will, through the Agent and under the direction of the Committee, pay the Company Percent of the purchase price of each share purchased by the Agent, whether purchased in the Internal Market or as a
newly issued share. No contribution shall be made by the Company into an employee's stock purchase account. 

12.    Termination of Participation and Re-Entry  

        (a)  An
employee may terminate participation in the Plan at any time by completing a payroll deduction authorization form and delivering such form in the manner prescribed by
the Committee. Alternatively, the Committee may prescribe or permit electronic procedures for such changes. Such employee's participation in the Plan shall terminate as soon as practicable upon
receipt of the payroll deduction authorization form by the Company. An employee who terminates participation in the Plan pursuant to this Section 12(a) shall not be eligible to
re-enter the Plan until the first business day of the following calendar quarter. 

        (b)  If
a participating employee ceases to be eligible to participate in the Plan as described in Section 5(c) or (d) or terminates participation in the Plan,
or if the Plan terminates or is terminated, any cash credited to the employee's stock purchase account will be distributed to the participating employee or, in the event of the death of the
participating employee, to the participating employee's estate. Any shares held by the Agent for an employee whose affiliation with the Company has terminated will be released by the Agent to the
employee. Such shares will be subject to the Company's right to repurchase the shares, as set forth in the Company's Articles of Incorporation and Bylaws, as amended from time to time. 

13.    Government and Stock Exchange Regulations  

        The Company shall not be required to sell or deliver any shares of Common Stock under the Plan unless and until the Company has fully complied with any then
applicable requirements of the Securities and Exchange Commission, state securities commissions, or other regulatory agencies having
jurisdiction, and of any exchanges upon which Common Stock of the Company may be listed. The Company shall not be obligated to obtain any required licenses or to register any Common Stock to permit
purchases of Common Stock under the Plan. 

14.    Application of Funds  

        All funds received by the Company as a result of the sale of newly issued shares of Common Stock under the Plan may be used for any corporate purpose. 

15.    Recapitalization  

        In the event any change, such as a stock split, reverse stock split or stock dividend, is made in the Company's capitalization which results in an adjustment in
the number of shares of capital stock 

5

 

outstanding without receipt of consideration by the Company, appropriate adjustment, as determined by the Committee in its discretion, may be made in the number of shares reserved for issuance as
provided in Section 3 of the Plan. 

16.    Withholding  

        The Company shall be entitled to make appropriate arrangements to comply with any withholding requirements imposed by federal, state, or local law with respect to
the purchase or disposition of shares of Common Stock under the Plan, including, without limitation, payroll withholding or withholding from proceeds of a disposition of shares of Common Stock
acquired under the Plan. 

17.    No Employment Obligation  

        An employee's employment with the Company or an Affiliate is not for any specified term and may be terminated by such employee or by the Company or the Affiliate
at any time, for any reason, with or without cause, except as otherwise provided by law or contract. Nothing in this Plan shall confer upon any employee any right to continue in the employ of, or
affiliation with, the Company or an Affiliate, nor constitute any promise or commitment by the Company or an Affiliate regarding future positions, future work assignments, future compensation, or any
other term or condition of employment or affiliation. 

18.    Amendment of the Plan  

        The Board may at any time suspend or terminate the Plan and may at any time or from time to time amend the Plan in such respects as the Board may deem advisable;
provided, however, no such amendment of the Plan shall, without the approval of a majority of the voting power of the capital stock of the Company present or represented and entitled to vote at a duly
constituted meeting of shareholders, increase the number of shares reserved for purchase under the Plan, except as provided in Section 15. 

19.    No Implied Rights or Obligations  

        The Company, in establishing and maintaining this Plan as a voluntary and unilateral undertaking, expressly disavows the creation of any rights in participating
employees or others claiming entitlements under the Plan or any obligations on the part of the Company, any Affiliate, the Agent, or the Committee, except as expressly provided in this Plan. 

20.    Effective Date and Termination of the Plan  

        (a)  The
Plan was originally effective as of November 12, 1999. The Plan as amended and restated is effective as of January 1, 2002. 

        (b)  Unless
the Plan is terminated earlier by the Board, the Plan shall terminate on December 31, 2007. Termination shall be deemed to be effective as of the close of
business on the day of termination. 

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21.    Governing Law  

        The Plan shall be construed in accordance with and governed by the laws of the State of Colorado. 

	 	 	CH2M HILL Companies, Ltd.
	

 	
 	

By:	
 	

 
	 	 	 	 	

	

 	
 	

Title:	
 	

 
	 	 	 	 	

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CH2M HILL Companies, Ltd.    
    
    2002 Pre-Tax Deferred Compensation Plan    
  

Effective November 9, 2001 

 
CH2M HILL Companies, Ltd.

2002 Pre-Tax Deferred Compensation Plan  

ARTICLE 1

PURPOSES  

        The purposes of the CH2M HILL Companies, Ltd. 2002 Pre-Tax Deferred Compensation Plan are: (a) to provide a mechanism by which certain
bonuses awarded to employees of certain affiliates of CH2M HILL Companies, Ltd. may be deferred to a specified date or until the earlier occurrence of one of
several specified events; and (b) to provide certain employees of certain affiliates of CH2M HILL Companies, Ltd. with the opportunity to defer compensation on a voluntary basis to a
specified date or until the earlier occurrence of one of several specified events. 

ARTICLE 2

DEFINITIONS  

        2.1  "Affiliate" means each entity in which the Company has a direct or indirect ownership interest, whether such entity is a
corporation, a partnership, a joint venture, a limited liability company, or any other form of entity. 

        2.2  "Beneficiary" means one or more individuals or entities designated by a Participant to receive the Participant's benefits
under the Plan in the event of the Participant's death. A Participant's designation of a Beneficiary must be in writing and must comply with rules and procedures established by the Committee. If a
Participant dies without a properly designated Beneficiary, the Participant's estate will be deemed to be the Participant's Beneficiary. 

        2.3  "Board" means the Board of Directors of the Company. 

        2.4  "Committee" means the Committee appointed in accordance with Article 7. 

        2.5  "Common Stock" means the common stock, par value one cent ($0.01) per share, of the Company. 

        2.6  "Company" means CH2M HILL Companies, Ltd. 

        2.7  "Effective Date" means the date on which the Plan is approved by the Board. 

        2.8  "Formula Price" as of any date means the value per share of Common Stock in effect on that date, as determined by the
Board. 

        2.9  "Internal Market" means the limited secondary market maintained by the Company for the purchase and sale of Common Stock. 

        2.10 "Participant" means each employee of a participating Affiliate who has been awarded a deferred bonus under the Plan and
each eligible employee of a participating Affiliate who has elected to defer compensation under the Plan. An individual will become a Participant when the individual is awarded a deferred bonus under
the Plan or when the individual makes an election to defer compensation under the Plan. An individual will cease to be a Participant when the individual dies or, if earlier, when the individual
receives a full distribution of all benefits to which the individual is entitled under the Plan. 

        2.11 "Plan" means the CH2M HILL Companies, Ltd. 2002 Pre-Tax Deferred Compensation Plan. 

        2.12 "Trade Date" means a date on which Common Stock is bought or sold in the Internal Market. 

        2.13 "Trust" means the Trust Under CH2M HILL Companies, Ltd. 2002 Pre-Tax Deferred Compensation Plan
established by the Company. 

1

 

        2.14 "Trustee" means the Trustee of the Trust. 

ARTICLE 3

PARTICIPATION IN THE PLAN  

        3.1    Affiliates Eligible to Participate in the Plan.    The Committee will designate from
time to time those Affiliates whose employees are eligible to participate in the Plan. The Committee may provide that a particular Affiliate will participate in the Plan only with respect to bonuses
awarded to employees of the Affiliate, or only with respect to voluntary deferrals by eligible employees of the Affiliate, or with respect to both bonuses awarded to employees of the Affiliate and
voluntary deferrals by eligible employees of the Affiliate. The Committee may change the eligibility of an Affiliate to participate in the Plan from time to time. All determinations of the Committee
with respect to the eligibility of an Affiliate to participate in the Plan will be final and binding for all purposes. 

        3.2    Participation with Respect to Bonuses.    If the Committee designates an Affiliate as
eligible to participate in the Plan with respect to bonuses awarded to employees of the Affiliate, then the Board may provide that all or a portion of any bonus awarded to one or more employees of the
Affiliate will be deferred in accordance with the terms of this Plan. Any such deferred bonus may be awarded in the form of a specific dollar amount or in the form of a specific number of shares of
Common Stock, or in a combination of a specific dollar amount and a specific number of shares of Common Stock, as determined by the Board in its sole discretion. Any such determination by the Board
will be binding for all purposes. 

        3.3    Participation with Respect to Voluntary Deferrals.    If the Committee designates an
Affiliate as eligible to participate in the Plan with respect to voluntary deferrals by eligible employees of the Affiliate, then the Committee will also designate (by name, by job classification, or
by other criteria selected by the Committee) those employees of the Affiliate who may elect to defer compensation in accordance with the terms of the Plan. The Committee's designations of Affiliates
as eligible to participate in the Plan and of employees as eligible to elect to defer compensation under the Plan will be final, binding, and conclusive for all purposes and will not be subject to
review. An eligible employee designated by the Committee may elect to defer compensation to be earned during calendar year 2002 in accordance with the terms of the Plan by: (a) executing a
deferred compensation election in a form specified by the Committee; and (b) delivering the executed deferred compensation election to the Committee at such time as may be designated by the
Committee. The deferred compensation election will designate the amount or percentage of the Participant's regular compensation that will be deferred in accordance with the terms of the Plan. The
Company will withhold from compensation earned by a Participant during calendar year 2002 the amount designated by the Participant as deferred compensation in accordance with the Plan. 

ARTICLE 4

ESTABLISHMENT OF BOOKKEEPING ACCOUNT  

        4.1    Establishment of Account.    The Company will establish a bookkeeping account in the
name of each Participant in the Plan. 

        4.2    Increases to Account for Deferred Bonus.    The bookkeeping account of a Participant
will be increased by the number of shares of Common Stock awarded to the Participant as a deferred bonus in accordance with the Plan and with the dollar amount awarded to the Participant as a deferred
bonus in accordance with the Plan. Any dollar amount which increases the Participant's bookkeeping account will be converted to a number of shares of Common Stock as of the next Trade Date, based on
the Formula Price of the Common Stock on that Trade Date. 

        4.3    Increases to Account for Voluntary Deferrals.    The bookkeeping account of a
Participant will be increased by a dollar amount equal to the amount of compensation withheld by the Company pursuant 

2

 

to the Participant's election to defer compensation under the Plan. The dollar amount which increases the Participant's bookkeeping account will be converted to a number of shares of Common Stock as
of the next Trade Date, based on the Formula Price of the Common Stock on that Trade Date. The Board, in its sole discretion, may provide that the conversion of the dollar amount which increases
Participants' bookkeeping accounts under this Section 4.3 as of a particular Trade Date will be based on a discounted Formula Price of the Common Stock on that Trade Date. The discount may be
as much as fifteen percent (15%) of the Formula Price, as determined by the Board in its sole discretion. This discount provision will not apply to dollar amounts which increase Participants'
bookkeeping accounts under Section 4.2 (relating to deferred bonuses). 

        4.4    Decreases to Account.    Each Participant's bookkeeping account in the Plan will be
decreased for all shares of Common Stock transferred to the Participant or to the Participant's Beneficiary pursuant to the Plan. 

        4.5    Adjustments to Account.    Each Participant's bookkeeping account in the Plan will be
adjusted by the Committee, in its discretion, to reflect any change, such as a stock split, reverse stock split, or stock dividend, made in the Company's capitalization that results in an adjustment
in the number of shares of capital stock outstanding without receipt of consideration by the Company. 

ARTICLE 5

DISTRIBUTION  

        5.1    Timing and Form of Distribution.    As soon as reasonably practicable after the
occurrence of the distribution event with respect to a Participant, the Company will transfer to the Participant (or, if applicable, to the Participant's Beneficiary) the number of shares of Common
Stock credited to the Participant's bookkeeping account in the Plan. The Company may satisfy its obligation to transfer shares of Common Stock to the Participant (or, if applicable, to the
Participant's Beneficiary) by instructing the Trustee of the Trust to transfer to the Participant (or, if applicable, to the Participant's Beneficiary) the number of shares of Common Stock held in the
recordkeeping account in the Trust in the name of the Participant. The transfer to the Participant (or, if applicable, to the Participant's Beneficiary) of the number of shares of Common Stock
credited to the Participant's bookkeeping account in the Plan (whether by the Company or by the Trustee) will complete the Company's obligations to the Participant and the Participant's Beneficiary
under the Plan. 

        5.2    Distribution Events.    The distribution event with respect to a Participant is the
first of the following to occur: 

        (a)  January 2,
2010 (at which time distribution will be made to the Participant); 

        (b)  the
termination of the Participant's affiliation with the Company, as determined by the Committee in its discretion (in which case distribution will be made to the
Participant); 

        (c)  the
transfer of the Participant to a position of employment with the Company or with an Affiliate that the Committee, in its discretion, determines to be a position that
warrants a distribution under the Plan (in which case distribution will be made to the Participant); 

        (d)  the
death of the Participant (in which case distribution will be made to the Participant's Beneficiary); or 

        (e)  the
termination of the Plan (in which case distribution will be made to the Participant). 

        5.3    Designation of Beneficiary.    Each Participant may designate one or more beneficiaries
(who may be designated contingently or successively) to whom the Participant's benefits under the Plan are payable in the event of the Participant's death. Each designation will automatically revoke
any prior designations by the same Participant. The beneficiary designation shall be in writing on a form 

3

 

prescribed by the Committee. Any beneficiary designation will be effective as of the date on which the written designation is received by the Committee during the lifetime of the Participant. 

ARTICLE 6

EXERCISE OF DEFERRED COMPENSATION  

        6.1    Application.    A Participant may apply to the Committee to exercise the Participant's
deferred compensation with respect to part or all of the shares of Common Stock credited to the Participant's bookkeeping account in the Plan. Such application will be submitted in accordance with
rules and procedures established by the Committee. The Committee may approve the application, disapprove the application, or approve a part of the application and disapprove the rest of the
application, in its sole discretion. 

        6.2    Application Disapproved.    If the Committee disapproves a Participant's application to
exercise the Participant's deferred compensation with respect to shares of Common Stock credited to the Participant's bookkeeping account in the Plan, the Participant will not be eligible to apply to
the Committee to exercise the Participant's deferred compensation until the first day of the next succeeding calendar quarter. 

        6.3    Application Approved.    If the Committee approves a Participant's application to
exercise the Participant's deferred compensation, the Committee will, on behalf of the Participant, place an order to sell the shares of Common Stock with respect to which the application was approved
in the Internal Market at the next Trade Date. 

        (a)  If
the order to sell shares is accepted, in whole or in part, then prior to the Trade Date the Company will transfer to the Participant the number of shares of Common
Stock for which the order was accepted, and those shares of Common Stock will be sold in the Limited Market at the Trade Date in accordance with the accepted order. The Company may satisfy its
obligation to transfer shares of Common Stock to the Participant by instructing the Trustee of the Trust to transfer to the Participant the appropriate number of shares of Common Stock from the shares
of Common Stock held in the recordkeeping account in the Trust in the name of the Participant. 

        (b)  If
the order to sell shares is not accepted in full, then the Participant's application to exercise the Participant's deferred compensation will be treated as though the
Committee disapproved the application with respect to the number of shares for which the order to sell shares is not accepted. The Participant will not be eligible to apply to the Committee to
exercise the Participant's deferred compensation until the first day of the next succeeding calendar quarter. 

ARTICLE 7

PLAN ADMINISTRATION  

        7.1    Committee.    The Plan shall be administered by a Committee appointed by and serving at
the pleasure of the President of the Company. The Committee shall at all times consist of at least two Directors and shall include other members (which may be either Directors or
non-Directors) as the President of the Company may determine. The President of the Company may from time to time remove members from or add members to the Committee, and vacancies on the
Committee shall be filled by the President of the Company. Members of the Committee may resign at any time upon written notice to the President of the Company. 

        7.2    Committee Meetings and Actions.    The Committee shall hold meetings at such times and
places as it may determine. A majority of the members of the Committee shall constitute a quorum, and the acts
of the majority of the members present at a meeting or a consent in writing signed by all members of the Committee shall be the acts of the Committee and shall be final, binding and conclusive upon
all 

4

 

persons, including the Company, its shareholders, and all persons having any interest in benefits under the Plan. 

        7.3    Powers of Committee.    The Committee shall, in its sole discretion, select the
employees of Affiliates who are eligible to participate in the Plan and establish such other terms under the Plan as the Committee may deem necessary or desirable and consistent with the terms of the
Plan. The Committee shall determine the form or forms of the agreements with Participants that shall evidence the particular provisions, terms, conditions, rights and duties of the Company and the
Participants with respect to the Plan, the provisions of which need not be identical except as may be provided in the Plan. The Committee shall have the full and exclusive right to determine terms and
conditions of benefits under the Plan. The Committee may from time to time adopt such rules and regulations for carrying out the purposes of the Plan as it may deem proper and in the best interests of
the Company. The Committee may correct any defect, supply any omission, reconcile any inconsistency in the Plan or in any agreement entered into under the Plan, and reconcile any inconsistency between
the Plan and any agreement in the manner and to the extent it shall deem expedient, and the Committee shall be the sole and final judge of such expediency. No member of the Committee shall be liable
for any action or determination made in good faith. The determinations, interpretations and other actions of the Committee pursuant to the provisions of the Plan shall be binding and conclusive for
all purposes and on all persons. 

        7.4    Interpretation of Plan.    The determination of the Committee as to any disputed
question arising under the Plan, including questions of construction and interpretation, shall be final, binding and conclusive upon all persons, including the Company, its shareholders, and all
persons having any interest in benefits under the Plan. 

        7.5    Indemnification.    Each person who is or shall have been a member of the Committee or
of the Board shall be indemnified and held harmless by the Company against and from any loss, cost, liability or expense that may be imposed upon or reasonably incurred in connection with or resulting
from any claim, action, suit or proceeding to which such person may be a party or in which such person may be involved by reason of any action taken or failure to act under the Plan and against and
from any and all amounts paid in settlement thereof, with the Company's approval, or paid in satisfaction of a judgment in any such action, suit or proceeding against him, provided such person shall
give the Company an opportunity, at its own expense, to handle and defend the same before undertaking to handle and defend it on such person's own behalf. The foregoing right of indemnification shall
not be exclusive of, and is in addition to, any other rights of indemnification to which any person may be entitled under the Company's Articles of Incorporation or Bylaws, as a matter of law, or
otherwise, or any power that the Company may have to indemnify them or hold them harmless. 

ARTICLE 8

ESTABLISHMENT OF TRUST  

        The Company is establishing the Trust. The agreement establishing the Trust is made a part of the Plan and is incorporated into the Plan by reference. As soon as
reasonably practicable after the Board awards a deferred bonus to a Participant in accordance with Section 3.2, the Company will transfer to the Trust an amount of cash or a number of shares of
Common Stock or a combination of cash and Common Stock, equal to the deferred bonus awarded to the Participant. As soon as reasonably practicable after the Company withholds an amount from a
Participant's compensation pursuant to the Participant's election to defer compensation under Section 3.3, the Company will transfer to the Trust an amount of cash or a number of shares of
Common Stock or a combination of cash and Common Stock, equal to the amount withheld. If, pursuant to Section 4.3, the Board provides that the conversion of the dollar amount credited to
Participants' bookkeeping accounts as of a particular Trade Date will be based on a discounted Formula Price, then as of such Trade Date the Company will also transfer to the Trust an amount of cash
or a number of shares of Common Stock or a combination of 

5

 

cash and shares of Common Stock equal to the amount of such discount applicable to the Participant. The cash and the shares of Common Stock transferred by the Company to the Trust will be allocated
to the recordkeeping account in the Trust maintained in the name of the Participant. 

ARTICLE 9

GENERAL RESTRICTIONS  

        9.1    Restrictions on Common Stock Transferred.    All shares of Common Stock transferred to
a Participant (or, if applicable, to a Participant's Beneficiary) in accordance with the Plan will be subject to the terms, conditions, and restrictions on Common Stock set forth in the Company's
Articles of Incorporation and Bylaws, as amended from time to time, including: (a) restrictions that grant the Company the right to repurchase shares upon termination of the shareholder's
affiliation with the Company; (b) restrictions that grant the Company a right of first refusal if the shareholder wishes to sell shares other than in the Internal Market;
(c) restrictions that require the approval of the Company for any other sale of shares; and (d) restrictions that define the Formula Price to be applied in purchases and sales of shares.
In addition, the Committee, in its sole discretion, may condition any distribution or transfer of Common Stock under the Plan on an agreement by the recipient of such distribution or transfer to sell
the shares in the Internal Market at the next Trade Date. 

        9.2    Transfers of Common Stock Not Permitted.    Notwithstanding any other provision of the
Plan, the Company will not be required to transfer Common Stock to any person if, immediately after the transfer, the recipient would own more shares of Common Stock than that person is permitted to
own under the Articles of Incorporation and Bylaws of the Company, as amended from time to time. The Company will not be required to transfer Common Stock to any person unless and until the Company
has fully complied with any then applicable requirements of the Securities and Exchange Commission,
state securities commissions, or other regulatory agencies having jurisdiction, and of any exchanges upon which the Common Stock may be listed. The Company will not be obligated to obtain any required
licenses or to register any Common Stock to permit transfers of Common Stock under the Plan. 

        9.3    Investment Representations.    The Company may require any person to whom Common Stock
is transferred, as a condition of transferring Common Stock, to give written assurances in substance and form satisfactory to the Company and its counsel as the Company deems necessary or appropriate
in order to comply with applicable securities laws of any jurisdiction. 

        9.4    Compliance with Laws.    Participation in the Plan shall be subject to the requirement
that the Participant may not have any Common Stock allocated to the Participant's account if at any time counsel to the Company shall determine that (a) the listing, registration or
qualification of the Common Stock allocated to the Participant's account is required on any securities exchange or under any law of any jurisdiction, or (b) the consent or approval of any
governmental or regulatory body is necessary as a condition of, or in connection with, the allocation or distribution of Common Stock. The Company shall not be required to apply for or obtain such
listing, registration, qualification, consent or approval, but may do so in its discretion. The Company intends that the Plan and its operation meets the requirements under the laws of the
jurisdictions of the workplaces of all Participants. However, participation in the Plan shall be subject to the requirement that the Participant may not have Common Stock allocated to the
Participant's account and the Participant may not exercise deferred compensation, and the Committee shall have the right to adjust, amend or terminate any election, if at any time counsel to the
Company shall determine that such participation violates any provision of law. 

        9.5    Changes in Accounting or Tax Rules.    Participation in the Plan shall be subject to
termination or modification, in the discretion of the Committee, if any changes in the financial or tax accounting rules applicable to such participation shall occur which, in the sole judgment of the
Committee, may have a material adverse effect on the reported earnings, assets or liabilities of the Company. 

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ARTICLE 10

REQUIREMENTS OF LAW  

        10.1    Requirements of Law.    All distributions from the Plan and Trust shall be subject to
all applicable laws, rules and regulations. 

        10.2    Governing Law.    The Plan and all agreements under the Plan shall be construed in
accordance with and governed by the laws of the State of Colorado, United States of America. 

ARTICLE 11

AMENDMENT AND TERMINATION  

        11.1    Amendment.    The Plan may be amended at any time by the Company, in its sole
discretion. Any amendment to the Plan will be made by the adoption of a resolution by the Board, approving a written amendment. An amendment to the Plan will not apply to amounts credited to a
Participant's bookkeeping account in the Plan on the date the amendment is made unless the Participant accepts the amendment in writing. 

        11.2    Termination.    The Company may terminate the Plan at any time, in its sole
discretion. Any termination of the Plan will be made by the adoption of a resolution by the Board, approving a written termination of the Plan and specifying the effective date of the termination. As
soon as reasonably practicable after termination of the Plan, the Company will transfer to each Participant the number of shares of Common Stock credited to the Participant's bookkeeping account in
the Plan. The Company may satisfy its obligation to transfer shares of Common Stock to a Participant by instructing the Trustee of the Trust to transfer to the Participant the number of shares of
Common Stock held in the recordkeeping account in the Trust in the name of the Participant. 

ARTICLE 12

WITHHOLDING  

        The Company will be entitled to make appropriate arrangements to comply with any requirements to withhold any taxes, government mandated social benefit
contributions or other payments required to be withheld which are applicable to the Participant with respect to transfers of shares of Common Stock under the Plan, including, without limitation,
payroll withholding or withholding from proceeds of a disposition of shares of Common Stock acquired under the Plan. 

ARTICLE 13

MISCELLANEOUS  

        13.1    Gender and Number.    Except when otherwise indicated by the context, the masculine
gender shall also include the feminine gender, and the definition of any term herein in the singular shall also include the plural. 

        13.2    No Right to Continued Employment.    Nothing contained in the Plan or in any election
under the Plan shall confer upon any Participant any right with respect to the continuation of the Participant's employment by the Company, or interfere in any way with the right of the Company,
subject to the terms of any separate employment agreement, at any time to terminate such employment or to increase or decrease the compensation of the Participant from the rate in existence at the
time of the election. Nothing in this Plan shall limit or impair the Company's right to terminate the employment of any employee. Whether an authorized leave of absence, or absence in military or
government service, shall constitute a termination of employment shall be determined by the Committee in its sole discretion. Participation in this Plan is a matter entirely separate from any pension
right or entitlement the Participant may have and from the terms or conditions of the Participant's employment. Participation in this Plan shall not affect in any way a Participant's pension rights or
entitlements or terms or conditions 

7

 

of employment. Any Participant who leaves the employment of the Company shall not be entitled to any compensation for any loss of any right or any benefit or prospective right or benefit under this
Plan which the Participant might otherwise have enjoyed whether such compensation is claimed by way of damages for wrongful dismissal or other breach of contract or by way of compensation for loss of
office or otherwise. 

        13.3    No Plan Funding.    Except as expressly provided in the Plan (requiring the Company to
transfer certain amounts to the Trust), the Company is not required to fund or secure payment of the Company's obligation under this Plan. The Company's obligation under this Plan is specifically
limited to an unfunded, unsecured promise to transfer shares of Common Stock in the future. The rights acquired by a Participant under this Plan are those of a general unsecured creditor of the
Company and its Affiliates. 

        13.4    Non-Transferability.    No Participant or Beneficiary will have any right
to sell, transfer, alienate, assign, pledge, or encumber any benefits under the Plan. Benefits under the Plan are not subject to attachment, garnishment, or any other charge, whether voluntary or
involuntary. 

        The
Company hereby agrees to the provisions of the Plan and in witness of its agreement, the Company by its duly authorized officer has executed the Plan on the date written below. 

	 	 	CH2M HILL COMPANIES, LTD.

Company
	

 	
 	

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Title:	
 	

 
	 	 	 	 	

	

 	
 	

Date:	
 	

 
	 	 	 	 	

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CH2M HILL Companies, Ltd. 2002 Pre-Tax Deferred Compensation Plan

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