Document:

Exhibit
10.1

EMPLOYMENT
AGREEMENT

EMPLOYEE’S
EMPLOYMENT AGREEMENT (“Agreement”) is made and entered into as of April 23,
2007, by and between CIBER, Inc., a Delaware corporation (together with its
affiliates, the “Company”) and Marcia M. Kim (“Employee”).

Agreement

THE
PARTIES AGREE AS FOLLOWS:

1.                                       Duties.  Employee agrees to be employed by and to
serve the Company as its Senior Vice President/Federal Government Practice
President, and the Company agrees to employ and retain Employee in such
capacity, subject to the terms of Employee’s Agreement. Employee shall devote
all of Employee’s business time, energy and skill to the affairs of the
Company, subject to the direction of executive officers of the Company and as
further identified on Annex A hereto. 
Employee shall have powers and duties commensurate with Employee’s
position in the Company.  Employee shall
comply with the general management policies of the Company as announced from
time to time and made available to Employee in writing.  Employee’s principal place of business with
respect to Employee’s services to the Company shall be within twenty-five (25)
miles of the central business district of McLean, VA.  Employee shall be required at various times
to travel as part of Employee’s duties.

2.                                       Term
of Employment.

2.1                                 Basic
Term.  The initial term of employment
of Employee by the Company shall be from the date of Employee’s Agreement
through the current calendar year, unless terminated earlier pursuant to
Employee’s Agreement.  Employee’s
Agreement shall renew automatically on an annual basis thereafter, subject to
the termination provisions hereof on the same terms contained herein unless the
Company or Employee provides written notice of its or Employee’s intention not
to renew.

3.                                       Salary,
Benefits and Bonus Compensation.

3.1                                 Base
Salary.  Commencing on the date of
Employee’s Agreement, the Company agrees to pay to Employee a “Base Salary” at
the annualized rate as described on Annex A, payable in twenty-six (26)
equal biweekly installments in accordance with the Company’s regular payroll
practice.

3.2                                 Bonuses.  Employee will be eligible to receive a bonus
as determined in accordance with Annex A attached hereto for each fiscal year
of the Company completed during the term of Employee’s employment.  The estimated award will be adjusted with a
final reconciliation in the first month of the following fiscal year.

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3.3                                 Additional
Benefits.  For purposes of
determining the benefits or benefit levels to which Employee is entitled,
Employee shall receive credit for Employee’s length of employment with the
Company. During the term of Employee’s employment, Employee shall be entitled
to the following fringe benefits:

3.3.1                        Employee Benefits.  Employee shall be eligible to participate in
such of the Company’s benefit and compensation plans as may be generally
available to Employees of the Company. 
All such benefit plans may be amended or discontinued in the sole
discretion of the Company.

3.3.2                        Business Expenses.  The Company shall reimburse Employee for all
reasonable and necessary expenses incurred in carrying out Employee’s duties
under Employee’s Agreement, including travel and entertainment expenses, in
accordance with the Company’s policies in effect from time to time.  Employee shall present promptly to the Company
an itemized account of such expenses in such form as may be required by the
Company.

3.3.3                        Vacation.  Employee shall be entitled to vacation time
pursuant to the Company’s policy during which time Employee’s compensation
shall be paid in full.  In addition,
Employee shall be entitled to paid holidays and personal days off in accordance
with the Company’s policies in effect from time to time.

4.                                       Termination
of Employment.

4.1                                 Termination
for Cause.  Termination for Cause (as
defined below) of Employee’s employment may be effected by the Company at any
time without liability except as specifically set forth in Employee’s
Subsection. The termination shall be effected by written notification to
Employee and shall be effective as of the time set forth in such notice.  At the effective time of a Termination for
Cause, Employee immediately shall be paid all accrued Base Salary and any
reasonable and necessary business expenses incurred by Employee in connection
with Employee’s duties hereunder, all to the effective time of
termination.  In addition, Employee shall
be entitled to benefits under any benefit plans of the Company in which
Employee is a participant to the full extent of Employee’s rights under such
plans.

4.2                                 Termination
Other Than for Cause. The Company may effect a Termination Other Than for
Cause (as defined below) of Employee’s employment at any time upon giving
written notice to Employee of such termination and without liability except as
specifically set forth in Employee’s Subsection.  The termination shall be effective as of the
time set forth in such notice.  At the
effective time of any Termination Other Than for Cause, Employee shall
immediately be paid all accrued Base Salary and any reasonable and necessary
business expenses incurred by Employee in connection with Employee’s duties
hereunder, all to the effective time of termination.  Employee shall also

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be entitled to any unpaid
bonus compensation.  Unpaid bonus
compensation for the purposes of Employee’s Section 4.2 shall be pro rated
based on the number of full calendar months of Employee’s employment during the
fiscal year in which termination occurs. Employee shall also be entitled to
benefits under any benefit plans of the Company in which Employee is a
participant to the full extent of Employee’s rights under such plans.

4.2.1                        If Employee’s employment is
terminated at the will of the Company under Subsection 4.2, Employee shall
receive severance compensation. For purposes of determining the severance
compensation in Employee’s Subsection, the credit for Employee’s employment
with the Company shall not apply.  The
Company shall pay any severance compensation in accordance with the Company’s
regular payroll practice. There will be no severance compensation in the event
of a Termination for Cause.

4.2.1.1                           If
termination by the Company occurs within the initial twelve (12) months, the
severance compensation will equal to eight (8) weeks of the then applicable
Base Salary.

4.2.1.2                           If
termination by the Company occurs between the thirteenth (13) month and sixty
(60) month, the severance compensation will equal to twelve (12) weeks of the
then applicable Base Salary plus one-fourth of the aggregate fully earned
bonus compensation for the most recent three months to the date of termination.

4.2.1.3                           Beginning
the sixty-first (61) month, the severance compensation will equal to
twenty-six (26) weeks of the then applicable Base Salary plus one-half of
the aggregate fully earned bonus compensation for the most recent six months to
the date of termination.

4.3                                 Termination
by Reason of Disability.  If
Employee, in the reasonable judgment of the Executive Officers of the Company,
has failed to perform Employee’s duties under Employee’s Agreement on account
of illness or physical or mental incapacity, and such illness or incapacity
continues for a period of more than six (6) months, then the question of
whether Employee’s illness or incapacity is reasonably likely to continue shall
be submitted to the Company or, if disability insurance is maintained by Employee,
Employee’s disability insurance carrier for determination.  In the event the Company or such insurance
carrier determines that Employee is subject to such an illness or incapacity,
the Company shall have the right to terminate Employee’s employment (“Termination
for Disability”) by written notification to Employee and payment to Employee of
all accrued Base Salary, unpaid bonus compensation (prorated as provided in
Section 4.2) and any reasonable and necessary business expenses incurred by
Employee in connection with Employee’s duties hereunder, all to the date of
termination.  Employee shall also be
entitled to benefits under any benefit plans in which Employee is a
participant, including disability benefits, if any, to the full extent of
Employee’s rights under such plans.

4.4                                 Death.  In the event of Employee’s death during the
term of employment, Employee’s employment shall be deemed to have terminated as
of the last day of the month during which Employee’s death occurs, and the
Company shall pay promptly to Employee’s estate all accrued Base Salary, unpaid
bonus compensation (prorated as provided in Section 4.2) and any
reasonable and necessary business expenses incurred by Employee in connection
with Employee’s

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duties hereunder.  Employee’s estate shall also be entitled to
benefits under any benefit plans of the Company in which Employee is a
participant to the full extent of Employee’s rights under such plans.

4.5                                 Voluntary
Termination.  In the event of a
Voluntary Termination (as defined below) by Employee, the Company shall
immediately pay all accrued Base Salary and any reasonable and necessary
business expenses incurred by Employee in connection with Employee’s duties
hereunder, all to the date of termination.

5.                                       Protection
of the Company’s Business.  For
purposes of determining the geographic areas to protect the Company’s business
in the Subsection 5.1 and Subsection 5.2 below, such protection shall be
limited to locations within the United States (as Federal is a “National”
Practice).

5.1                                 No
Competition and No Solicitation of Clients. 
Employee shall not, during the term of Employee’s employment and for
twelve (12) months following the termination of Employee’s employment but not
less than eighteen (18) months from the date hereof (unless the Company grants
Employee written authorization): 
(a) call upon, cause to be called upon, solicit or assist in the
solicitation of, any current client, former client or potential client of the
Company for the purpose of selling, renting or supplying any product or service
competitive with the products or services of the Company; (b) provide any
product or services to any current client, former client or potential client of
the Company which is competitive with the products or services of the Company; or
(c) request, recommend, or advise any client or potential client to cease or
curtail doing business with the Company. 
Any individual, governmental authority, corporation, partnership or
other entity to whom the Company has provided services or products or has made
one or more sales calls during the twenty-four (24) month period
preceding the date of termination of Employee’s employment, shall be deemed a
client or potential client.

5.2                                 No
Hire of Other Employees or Independent Contractors. Employee shall not, during
the term of Employee’s employment and for twelve (12) months following the
termination of Employee’s employment but not less than eighteen (18) months
from the date hereof (unless the Company grants Employee written
authorization): (a) except on behalf of the Company, employ, engage or seek to
employ or engage any individual or entity, on behalf of Employee or any entity
(including a client of the Company), who was employed or engaged by the Company
during the six (6) month period preceding Employee’s termination or who is
currently employed or engaged by the Company; (b) solicit, recommend or
advise any Employee of the Company or independent contractor to terminate their
employment or engagement with the Company for any reason; (c) except on behalf
of the Company, solicit recruiting prospects and/or candidates whose files are
actively maintained or have been maintained during the last six (6) months
prior to Employee’s termination by the Company; or (d) enter into a business
arrangement with any other person or firm who is or has been an Employee or
independent contractor of the Company within the twelve (12) month period
preceding Employee’s termination.

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6.                                       Confidentiality.

6.1                                 Confidential
Information and Materials.  All of
the Confidential Information and Materials, as defined herein, are and shall
continue to be the exclusive confidential property and trade secrets of the
Company. Confidential Information and Materials have been or will be disclosed
to Employee solely by virtue of Employee’s employment with the Company and
solely for the purpose of assisting Employee in performing Employee’s duties
for the Company. “Confidential Information and Materials” refers to all
information belonging to or used by the Company or the Company’s clients
relating to internal operations, procedures and policies, finances, income,
profits, business strategies, pricing, billing information, compensation and
other personnel information, client contacts, sales lists, Employee lists,
technology, software source codes, programs, costs, marketing plans,
developmental plans, computer programs, computer systems, inventions,
developments, personnel manuals, computer program manuals, programs and system
designs, and trade secrets of every kind and character, whether or not they
constitute a trade secret under applicable law, including such of the foregoing
developed by Employee whether developed by Employee during or after business
hours.  Employee acknowledges and agrees
all Confidential Information and Materials shall, to the extent possible, be
considered works made for hire for the Company under applicable copyright
law.  To the extent any Confidential
Information and Materials are not deemed to be a work made for hire, Employee
hereby assigns to the Company any rights Employee may have or may acquire in
such Confidential Information and Materials as they are created, throughout the
world, in perpetuity.  Further, Employee
hereby waives any and all moral rights Employee may have in such Confidential
Information and Materials. 
Notwithstanding the foregoing, the Company acknowledges that it shall
have no right to inventions or other material for which no equipment, supplies,
facilities or Confidential Information and Material of the Company is used and
which are developed entirely on Employee’s own time and (i) do not relate
directly to the business of the Company, or (ii) do not result from any work
performed by Employee hereunder or from Employee’s work at the Company.

6.2                                 Non-disclosure
and Non-use.  Employee may use
Confidential Information and Material while an Employee of the Company and in
the course of that employment to the extent reasonably deemed necessary by the
Company for the performance of Employee’s responsibilities.  Such permission expires upon termination of
Employee’s employment with the Company or on notice from the Company.  Employee shall not, either during or after
Employee’s employment with the Company, disclose any Confidential Information
or Materials to any person, firm, corporation, association or other entity for
any reason or purpose unless expressly permitted by the Company in writing or
unless required by law.  Employee shall
not use, in any manner other than to further the Company’s business, any
Confidential Information or Materials of the Company.  Upon termination of Employee’s employment,
Employee shall immediately return all Confidential Information or Materials or
other property of the Company or its clients or potential clients in Employee’s
possession or control.

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7.                                       Definitions.

7.1                                 Definitions.  For purposes of Employee’s Agreement, the
following terms shall have the following meanings:

7.1.1                        “Termination for Cause” shall
mean termination by the Company of Employee’s employment by the Company by
reason of Employee’s conviction of any felony crime, Employee’s dishonesty
towards, fraud upon or injury or attempted injury to the Company or its
clients, Employee’s breach of Employee’s Agreement, or any reason that
constitutes “cause” under applicable law.

7.1.2                        “Termination Other Than for
Cause” shall mean termination by the Company of Employee’s employment by the
Company other than a Termination for Cause, Termination for Disability, or for
any or no reason.

7.1.3                        “Voluntary Termination” shall
mean termination by Employee of Employee’s employment with the Company, but
shall not include constructive termination by the Company by reason of material
breach of Employee’s Agreement by the Company.

8.                                       Remedies.

8.1                                 Liquidated
Damages.

8.1.1                        If Employee violates Subsection
5.1, Employee shall pay to the Company as liquidated damages, the greater of
Company’s gross billings to the client to which products or services are
supplied in violation of Subsection 5.1 during the year immediately prior to
the first improper solicitation or $25,000, to compensate the Company for its
lost revenue, client development expenses and other damages.

8.1.2                        If Employee violates
Subsection 5.2, Employee shall pay to the Company as liquidated damages,
in compensation for its recruitment and training costs, lost  revenues and other damages the greater of
$25,000 ($100,000 if an officer of the Company) or the actual identifiable
damages of the Company for each Employee or independent contractor hired or
engaged in violation of Subsection 5.2.

8.1.3                        Employee and the Company have
carefully considered the issue of liquidated damages and after negotiation
agree that they are a reasonable compromise after attempting to estimate what
the actual damages would be and assessing the risk of collection.

8.1.4                         Employee authorizes the
Company to disclose the terms of Sections 5, 6 and 8 of Employee’s
Agreement to any subsequent employer or client of Employee.

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8.2                                 Equitable
Remedies.  The service rendered by
Employee to the Company and the information disclosed to Employee during
Employee’s employment are of a unique and special character, and any breach of
Sections 5 or 6 hereof will cause the Company irreparable injury and
damage which will be extremely difficult to quantify.  Although the parties have agreed on
liquidated damages for some of the potential breaches by Employee, they agree
that because of the risk of collection and intangibles which are impossible to
measure, the Company will be entitled to, in addition to all other remedies
available to it, injunctive relief to prevent a breach and to secure the
enforcement of all provisions of Sections 5 and 6.  Employee represents Employee’s experience and
knowledge will enable Employee to earn an adequate living in a noncompetitive
business and that the injunctive relief will not prevent Employee from
providing for Employee and Employee’s family.

8.3                                 Costs.  If litigation is brought to enforce or
interpret any provision contained herein, the court shall award reasonable
attorneys’ fees and disbursements to the prevailing party as determined by the
court.

8.4                                 Severability.  THE PARTIES HAVE CAREFULLY CONSIDERED ALL OF
SECTIONS 5, 6 AND 8 AND AGREE THAT THEY REPRESENT A PROPER BALANCING OF
THEIR INTERESTS.  It is the express
intent of the parties hereto that the obligations of, and restrictions on, the
parties as provided in Sections 5 and 6 shall be enforced and given effect
to the fullest extent legally permissible. 
If, in any judicial proceeding, a court shall refuse to enforce one or
more of the covenants or agreements contained in Employee’s Agreement because
the duration thereof is too long, the scope thereof is too broad or some other
reason, for the purpose of such proceeding, the court may reduce such duration
or scope to the extent necessary to permit the enforcement of such obligations and
restrictions.

9.                                       Miscellaneous.

9.1                                 Payment
Obligations.  The Company’s
obligation to pay Employee the compensation provided herein is subject to the
condition precedent that Employee performs Employee’s obligations.

9.2                                 Waiver.  The waiver of the breach of any provision of
Employee’s Agreement shall not operate or be construed as a waiver of any
subsequent breach of the same or other provision hereof.

9.3                                 Entire
Agreement; Modifications.  Employee’s
Agreement represents the entire understanding between the parties with respect
to the subject matter hereof, and Employee’s Agreement supersedes any and all
prior understandings, agreements, plans and negotiations, whether written or
oral, with respect to the subject matter hereof, including, without limitation,
any understandings, agreements or obligations respecting any past or future
compensation, bonuses, reimbursements or other payments to Employee from the
Company.  All modifications to Employee’s
Agreement must be in writing and signed by the party against whom enforcement
of such modification is sought.

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9.4                                 Notices.  All notices and other communications under
Employee’s Agreement shall be in writing and shall be given by hand delivery,
or first-class mail, certified or registered with return receipt requested, or
by commercial overnight courier or by fax and shall be deemed to have been duly
given upon hand delivery, receipt if mailed, the first business day following
delivery to a commercial overnight courier or upon receipt of a fax, addressed
as follows:

If to the Company:

CIBER, Inc.

5251 DTC Parkway, Suite
1400

Greenwood Village,
Colorado 80111

Attention:  Mac Slingerlend

Phone:  (303) 220-0100

Fax:  (303) 267-3899

If to Employee:

Marcia M. Kim

8920 Saunders Lane

Bethesda, Maryland 
20817

Any
party may change such party’s address for notices by notice given pursuant to
Employee’s Section 9.4.

9.5                                 Headings.  The Section headings herein are intended for
reference and shall not by themselves determine the construction or
interpretation of Employee’s Agreement.

9.6                                 Governing
Law; Consent to Jurisdiction. 
Employee’s Agreement shall be governed by and construed in accordance
with the laws of the State of Colorado without application of its conflict of
laws rules.

9.7                                 Severability.  Should a court or other body of competent
jurisdiction determine that any provision of Employee’s Agreement is excessive
in scope or otherwise invalid or unenforceable, such provision shall be
adjusted rather than voided, if possible, so that it is enforceable to the
maximum extent possible, and all other provisions of the Agreement shall be
deemed valid and enforceable to the extent possible.

9.8                                 Binding
Effect; Assignment. Employee’s Agreement shall be binding upon and inure to
the benefit of the parties herein and their respective executors,
administrators, heirs, successors and assigns. The provisions of Employee’s
Agreement relating to the duties and obligations of the Company are
transferable, assignable and delegable by the Company. Those provisions
relating to the duties and obligations of the Employee are not transferable,
assignable or delegable.

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9.9                                 Counterparts.  Employee’s Agreement may be executed in one
or more counterparts, all of which taken together shall constitute one and the
same Agreement.

9.10                           Withholdings.
 All compensation and benefits to
Employee hereunder shall be reduced by all federal, state, local and other
withholdings and similar taxes and payments required by applicable law.  The Company may withhold amounts due it from
Employee from amounts due under Employee’s Agreement to Employee.

IN
WITNESS WHEREOF, the parties hereto have executed Employee’s Agreement as of
the date first above written.

	
  EMPLOYEE

  	
  CIBER, Inc., a Delaware corporation

  
	
   

  	
   

  
	
   

  	
   

  
	
  /s/ Marcia M.
  Kim

  	
   

  	
  By:

  	
  /s/ Mac Slingerlend

  	
   

  
	
  Marcia M. Kim

  	
   

  	
  Mac Slingerlend, President/CEO

  
					

 

 9

ANNEX A

To the
Employment Agreement of Marcia M. Kim

Dated April 23, 2007

(Effective April
23, 2007)

The following terms are
annexed to Ms. Kim’s employment agreement: 
Base salary of $216,000 for the period from April 23, 2007 to December
31, 2007; bonus target – balance of 2007 - $125,000 based upon achievement of
quantitative levels of revenue and EBITA, plus qualitative factors; stock
options (separately filed); a New Deal bonus component; Change of Control
provisions – first six months - $150,000, seventh to eighteenth month - one
time base + bonus; thereafter 1.5 times base + bonus as defined.EXHIBIT 10.23

SYMYX
TECHNOLOGIES, INC.

EXECUTIVE
CHANGE IN CONTROL AND SEVERANCE BENEFIT PLAN

1.             INTRODUCTION.

Symyx Technologies, Inc. (the “Company”)
hereby establishes this Executive Change in Control and Severance Benefit Plan
(the “Plan”) effective May 2, 2007 (the “Effective Date”).  The Plan’s purpose is to provide severance
benefits and/or change in control benefits to certain eligible executive
employees of the Company and any of its Subsidiaries (as defined below; for
purposes herein, the term the “Company” includes such Subsidiaries where
appropriate) if such employees are subject to qualifying employment
terminations.  This Plan supersedes, as
to any Participant (defined below), any severance or change in control benefits
the Company previously maintained, including the severance and/or change in
control benefit provisions of any plan, policy, practice, offer letter,
employment agreement or other contract between the Company and a Participant
except as may be set forth from time to time in any Company equity plan.  This Plan does not supersede or otherwise
amend any Company severance or change in control benefit plan, policy or
practice applicable to non-Participants.

2.             DEFINITIONS.

Except as may be provided in
an individual Participation Notice (defined below), the following terms are
defined as follows:

(a)           “Base Salary” means the Participant’s annual base pay
(excluding incentive pay, premium pay, commissions, overtime, bonuses and other
forms of variable compensation), at the rate in effect during the last
regularly scheduled payroll period immediately preceding the Participant’s
Covered Termination date.

(b)           “Monthly
Base Salary”
means the Participant’s Base Salary divided by twelve (12).

(c)           “Board” means the Board of Directors of Symyx Technologies,
Inc.

(d)           “CEO
Participant”
means a Participant who is so designated in the Participant’s Participation
Notice.

(e)           “Change in Control” means the occurrence of any of the
following:

(i)            the Company’s shareholders’ approve
a plan of complete liquidation of the Company or of an agreement for the sale
or disposition of all or substantially all of the Company’s assets;

(ii)           the Company’s shareholders approve a
merger or consolidation of the Company with any other corporation, other than a
merger or consolidation which would result in the voting securities of the
Company outstanding immediately prior thereto continuing to represent (either
by remaining outstanding or by being converted into voting securities of the
surviving entity) more than fifty percent (50%) of the total voting power
represented by the voting securities of the Company or such surviving entity
outstanding immediately after such merger or consolidation;

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(iii)          any “person” (as such term is used in
Sections 13(d) and 14(d) of the Securities Exchange Act of 1934, as amended)
becomes the “beneficial owner” (as defined in Rule 13d-3 under said Act),
directly or indirectly, of thirty percent (30%) or more of the Company’s then
outstanding voting securities; or

(iv)          a change in the composition of the
Board, as a result of which fewer than sixty-six percent (66%) of the directors
are elected, or nominated for election, to the Board with the affirmative votes
of at least a majority of those directors whose election or nomination was not
in connection with any transactions described in subsections (i), (ii) or
(iii), or in connection with an actual or threatened proxy contest relating to
the election of Company directors.

(f)            “Change in Control
Termination”
means a Covered Termination occurring within the period commencing three (3)
months prior to a Change in Control and ending twelve (12) months after the
Change in Control.  For purposes of this
definition only, a Change in Control Termination shall also include, solely in
the context of a Change in Control and within the time periods described in the
preceding sentence, a Participant’s resignation of employment within ninety
(90) days after the Company significantly reduces the Participant’s duties,
authority or responsibilities relative to the Participant’s duties, authority
or responsibilities in effect immediately prior to such reduction, taken as a
whole, without the Participant’s express written consent; provided, however,
that (A) within thirty (30) days following the occurrence of the conduct, the
Participant provides the Company’s Chief Executive Officer (or the Board in the
case of a CEO Participant) written notice specifying (x) the particulars of the
conduct and (y) that the Participant deems such conduct to be a reduction as
described herein, and (B) the conduct described has not been cured within
thirty (30) days following receipt by the Company’s Chief Executive Officer (or
the Board in the case of a CEO Participant) of such notice.

(g)           “COBRA” means the Consolidated Omnibus Budget Reconciliation
Act of 1985, as amended.

(h)           “Code”
means the Internal
Revenue Code of 1986, as amended.

(i)            “Company” means Symyx Technologies, Inc., any Subsidiary of the Company if any
of the Subsidiary’s employees have been designated as Participants, or any successor
entity thereto.

(j)            “Constructive Termination” means a Participant’s resignation of
employment within ninety (90) days after one of the following occurs without
the Participant’s express written consent:

(i)                  the Company reduces the Participant’s base
salary, target bonus and/or other cash compensation programs, taken as a whole,
unless such reduction is made in connection with an across-the-board,
proportionate reduction of substantially all executives’ annual base salaries,
bonuses, plans and/or other cash compensation programs instituted because the
Company, taken as a whole, is in financial distress;

(ii)                 the Company reduces or eliminates the
Participant’s eligibility to participate in or the benefits associated with
participating in the Company’s benefit programs that is inconsistent with the
eligibility to participate in and benefits associated with participation
enjoyed by similarly situated employees of the Company; or

(iii)               the Company relocates the Participant’s
primary business office more than fifty (50) miles from the location at which
the Participant predominately performed duties prior to such relocation, except
for required Participant travel on Company business to an extent substantially
consistent with the Participant’s prior business travel obligations.

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Notwithstanding the
foregoing, a termination shall not constitute a Constructive Termination based
on conduct described above unless (A) within thirty (30) days following the
occurrence of the conduct, the Participant provides the Company’s Chief
Executive Officer (or the Board in the case of a CEO Participant) written
notice specifying (x) the particulars of the conduct and (y) that the
Participant deems such conduct to be described in (i), (ii) or (iii) of this
Section 2(j), and (B) the conduct described has not been cured within
thirty (30) days following receipt by the Company’s Chief Executive Officer (or
the Board in the case of a CEO Participant) of such notice.

(k)           “Coverage
Period”
means (A) nine (9) months for a Covered Termination that is not a Change in
Control Termination and (B) fifteen (15) months for a Covered Termination that
is a Change in Control Termination.

(l)            “Covered Termination” means either (A) an Involuntary Termination
Without Cause or (B) a Constructive Termination.  Termination of employment of a Participant
due to death or disability shall constitute a Covered Termination unless the
Company’s termination of Participant’s employment immediately prior to the
Participant’s death or disability would not have qualified as an Involuntary
Termination Without Cause.

(m)          “Eligible
Employee”  means
an individual (A) employed by the Company and (B) who has been designated as an
Eligible Employee by the Plan Administrator, in its sole discretion.

(n)           “Entity” means a corporation, partnership, limited
liability company or other entity.

(o)             “Involuntary Termination Without
Cause” means a
termination by the Company of a Participant’s employment relationship for any
reason other than the Participant:

(i)            willfully
refuses to perform in any material respect the Participant’s duties or
responsibilities for the Company or willfully disregards in any material
respect any financial or other budgetary limitations established in good faith
by the Board;

(ii)           engages
in conduct that causes, or is reasonably likely to cause, material and
demonstrable injury, monetarily or otherwise, to the Company, including, but
not limited to, misappropriation or conversion of Company assets (other than
non-material assets); or

(iii)         engages
in an act of moral turpitude or conviction of or entry of a plea of nolo
contendere to a felony.

No Participant act or
failure to act shall be deemed “willful” if done, or omitted to be done, in
good faith and with the reasonable belief that the action or omission was in
the best interest of the Company.  For
the avoidance of doubt, a transfer of employment of a Participant from the
Company or one of its Subsidiaries to the Company, one of its Subsidiaries or
an Entity that acquires control of the Company shall not be deemed an
Involuntary Termination Without Cause; however, depending on the facts and
circumstances, such a transfer of employment may, in conjunction with a
resignation by the Participant, result in a Constructive Termination.

(p)            “Equity
Interest”
means an option to purchase any equity security of the Company, restricted
stock awards, restricted stock units, or other economically similar equity
awards with respect to the equity of the Company.

(q)           “Own,”  “Owned,”  “Owner,”  “Ownership”
A person or Entity shall be deemed to “Own,” to have “Owned,” to be the “Owner”
of, or to have acquired “Ownership” of securities if such 

 3
 

person or Entity, directly or indirectly, through any
contract, arrangement, understanding, relationship or otherwise, is the beneficial
owner of such securities.   For example,
a holder of stock of a corporation (the “direct corporation”) is deemed to Own
such stock and to Own a pro rata portion (based on relative holdings of the
stock of the direct corporation) of any stock of any other corporation Owned by
the direct corporation.

(r)           “Participant” means an Eligible Employee who has received,
signed and returned a Participation Notice to the Company within the time
period(s) established by the Plan Administer.

(s)           “Participation
Notice” means the latest
notice delivered by the Company to an Eligible Employee informing the Eligible
Employee that the Eligible Employee is a participant in the Plan.  A Participation Notice shall be in such form
as may be determined by the Company.  The
Company reserves the right to amend a Participation Notice in any way and at
any time; provided, however, that no such
amendment shall be effective as to any Participant who would be adversely
affected by such amendment unless such Participant consents in writing to such
amendment.

(t)            “Plan Administrator” means the Board or any committee duly authorized by the Board to
administer the Plan.  The Plan
Administrator may, but is not required to be, the Compensation Committee of the
Board.  The Board may at any time
administer the Plan, in whole or in part, notwithstanding that the Board has
previously appointed a committee to act as the Plan Administrator.  The Plan Administrator’s telephone number is
(408) 720-2356.  The Plan Administrator’s
address is:

Symyx Technologies, Inc.

Attn:  EVP and General Counsel

415 Oakmead Parkway

Sunnyvale, CA 94085

(u)           “Plan
Sponsor”
means Symyx Technologies, Inc.

(v)            “Subsidiary” means (A) any corporation of which more than fifty percent (50%) of
the outstanding capital stock having ordinary voting power to elect a majority
of the board of directors of such corporation (irrespective of whether, at the
time, stock of any other class or classes of such corporation shall have or
might have voting power by reason of the happening of any contingency) is at
the time, directly or indirectly, Owned by the Company, and (B) any partnership
or limited liability company in which the Company has a direct or indirect
interest (whether in the form of voting or participation in profits or capital contribution)
of more than fifty percent (50%).

3.                                      ELIGIBILITY
FOR BENEFITS.

(a)           General Rules.  A
Participant will not receive benefits under the Plan if the employee’s
employment terminates or is terminated for any reason other than a Covered
Termination.  Subject to the limitations
set forth in this Section 3 and Section 5, in the event of a Covered
Termination, the Company shall provide the severance benefits described in
Section 4 to each affected Participant.

(b)           Termination or
Return of Benefits.  If a Covered Termination occurs following a
Change in Control, a Participant’s right to receive benefits under this Plan
shall terminate immediately (and any benefits received pursuant to this Plan
shall be immediately returned to the Company) if, at any time prior to or
during the period ending on the earlier of the date on which the Participant
ceases to be receiving benefits under this Plan or the date that is eighteen
(18) months following such Change in Control, the Participant, without the
prior written approval of the Plan Administrator:

 4
 

(i)            willfully
breaches a material provision of the Participant’s proprietary information or
confidentiality agreement with the Company;

(ii)           encourages
or solicits any of the Company’s then current employees to leave the Company’s
employ for any reason or interferes in any other manner with employment
relationships at the time existing between the Company and its then current
employees; or

(iii)         induces
any of the Company’s then current clients, customers, suppliers, vendors,
distributors, licensors, licensees or other third party to terminate or
materially diminish their existing business relationship with the Company or
interferes in any other manner with any existing business relationship between
the Company and any then current client, customer, supplier, vendor,
distributor, licensor, licensee or other third party.

4.                                      AMOUNT OF
BENEFITS.

If
a Participant incurs a Covered Termination, the Participant shall receive the
benefits in this Section 4, subject, however, to the payment provisions in
Section 6 and the other limitations and exclusions set forth in this Plan.

(a)           Cash Severance
Benefits.  The Company shall make monthly cash severance
payments to such Participant in an amount equal to the Participant’s Monthly
Base Salary.  Such payments shall
continue for the Participant’s Coverage Period.

(b)           Health Continuation Coverage.

(i)            Provided
that the Participant is eligible for, and has made an election at the time of
the Covered Termination pursuant to COBRA under a Company-sponsored health,
dental, or vision plan, the Company shall continue to pay the amount of the
COBRA premiums (inclusive of premiums for the Participant’s dependents) for
such health, dental, or vision plan coverage as in effect immediately prior to
the date of the Covered Termination necessary to maintain such health, dental,
or vision plan coverage for a period equal to the Participant’s Coverage
Period; provided, however, that such payments by the Company shall cease as of
the date upon which the Participant and the Participant’s dependents, if any,
are covered by similar plans of a new employer. 
Except as provided in this paragraph, at all times the Participant shall
be solely responsible for all health costs of the Participant and any dependents
of the Participant including any coverage pursuant to COBRA.

(ii)           For
purposes of this Section 4(b), (A) references to COBRA shall be deemed to
refer also to analogous provisions of state law, and (B) any applicable
insurance premiums that are paid by the Company shall not include any amounts
payable by the Participant under an Internal Revenue Code Section 125 health
care reimbursement plan, which amounts, if any, are the sole responsibility of
the Participant.

(c)           Vesting
Acceleration.  If the Covered Termination is a Change in
Control Termination, then effective upon
the Change in Control Termination,

(i)            the vesting, exercisability and repurchase
provisions for Time-vesting Equity Interests (as defined below) shall first be
converted to daily accrual.  For example,
if an option vests (i.e., becomes exercisable) in installments at the rate of
25% per year from the date of grant, the vesting schedule for such Option shall
automatically change to 25%/365 per day from the date of grant.

 5
 

(ii)           the vesting and exercisability of any
outstanding Time-vesting Equity Interests that Participant holds on such date
and are not exercisable and vested in full after the application of Section
4(c)(i) shall immediately accelerate and become vested and exercisable for that
number of shares subject thereto with respect to which such Equity Interests
would have become, after the application of Section 4(c)(i), vested and
exercisable over the twenty-four (24) month period following the Participant’s
Change in Control Termination.  “Time-vesting
Equity Interests” include only those interests that vest based solely on the
passage of time and the Participant’s continuation of services for the Company
and do not otherwise require the achievement of certain goals or milestones as
a condition of vesting.  If an Equity
Interest includes both time-vesting and other vesting criteria, the provisions
of this Section 4(c) shall apply to the time-vesting component only.

(iii)         any reacquisition or repurchase rights held
by the Company after the application of Section 4(c)(i) to reacquire from the
Participant any equity security of the Company Participant holds shall lapse (i.e., the equity security shall vest in the Participant
pursuant to time-vesting) to the extent such equity security was scheduled to
vest, after the application of Section 4(c)(i), pursuant to time-vesting (i.e., such reacquisition or repurchase rights were scheduled
to lapse) in the twelve (12) month period following the Participant’s Change in
Control Termination.

(iv)          Notwithstanding the provisions of this
Section 4(c), if the provisions of this Section 4(c) regarding
acceleration of vesting would adversely affect a Participant’s Equity Interests
(including, without limitation, its status as an incentive stock option under
Section 422 of the Code or result in an Equity Interest that would not
otherwise be deemed to be a nonqualified deferred compensation plan or
arrangement for the purposes of Section 409A of the Code to be deemed to be
such a nonqualified deferred compensation plan or arrangement) that is
outstanding on the date the Participant commences participation in the Plan,
such acceleration of vesting shall be deemed null and void as to such Equity
Interest unless the affected Participant consents in writing to such acceleration
of vesting as to such Equity Interest within thirty (30) days after becoming a
Participant under the Plan.

(d)           Other Employee
Benefits.  All other benefits (such as life insurance,
disability coverage, and 401(k) plan coverage) shall terminate as of the
Participant’s termination date (except to the extent that a conversion
privilege may be available thereunder).

(e)           Additional
Benefits.  Notwithstanding the foregoing, the Plan
Administrator may, in its sole discretion, provide benefits in addition to
those pursuant to Sections 4(a), 4(b) and 4(c) to Participants, and the
provision of any such benefits to a Participant shall in no way obligate the
Company to provide such benefits to any other Participant, even if similarly
situated.

5.                                      LIMITATIONS
ON BENEFITS.

(a)           Release.  In
order to be eligible to receive benefits under the Plan, a Participant must
execute a general waiver and release in substantially the form attached hereto
as Exhibit A, Exhibit B,
or Exhibit C, as appropriate, and
such release must become effective in accordance with its terms.  Unless a Change in Control has occurred, the
Plan Administrator, in its sole discretion, may modify the form of the required
release to comply with applicable law and shall determine the form of the required
release, which may be incorporated into a termination agreement or other
agreement with the Participant.

(b)           Certain Reductions.  The
Plan Administrator, in its sole discretion, shall have the authority to reduce
a Participant’s severance benefits hereunder, in whole or in part, by the
amount of any other severance benefits, pay in lieu of notice, or other similar
benefits payable to the Participant by the 

 6
 

Company that become payable in connection with the
Participant’s termination of employment pursuant to (i) any applicable legal
requirement, including, without limitation, the Worker Adjustment and
Retraining Notification Act (the “WARN Act”),
(ii) a written employment or severance agreement with the Company, or (iii) any
Company policy or practice providing for the Participant to remain on the
payroll for a limited period of time after being given notice of the
termination of the Participant’s employment. 
The benefits provided under this Plan are intended to satisfy, in whole
or in part, any and all statutory obligations that may arise out of a
Participant’s termination of employment, and the Plan Administrator shall so
construe and implement the terms of the Plan. 
The Plan Administrator’s decision to apply such reductions to the
severance benefits of one Participant and the amount of such reductions shall
in no way obligate the Plan Administrator to apply the same reductions in the
same amounts to the severance benefits of any other Participant, even if
similarly situated.  In the Plan
Administrator’s sole discretion, such reductions may be applied on a
retroactive basis, with severance benefits previously paid being
re-characterized as payments pursuant to the Company’s statutory obligation.

(c)           Parachute
Payments.  Except as otherwise provided in an agreement
between a Participant and the Company, if any payment or benefit the
Participant would receive in connection with a Change in Control from the
Company or otherwise (“Payment”)
would (i) constitute a “parachute payment” within the meaning of Section 280G
of the Code, and (ii) but for this sentence, be subject to the excise tax
imposed by Section 4999 of the Code (the “Excise Tax”),
then such Payment shall be equal to the Reduced Amount.  The “Reduced Amount” shall be either (x) the
largest portion of the Payment that would result in no portion of the Payment
being subject to the Excise Tax, or (y) the largest portion, up to and
including the total, of the Payment, whichever amount, after taking into
account all applicable federal, state and local employment taxes, income taxes,
and the Excise Tax (all computed at the highest applicable marginal rate),
results in the Participant’s receipt, on an after-tax basis, of the greater
amount of the Payment notwithstanding that all or some portion of the Payment
may be subject to the Excise Tax. If a reduction in payments or benefits
constituting “parachute payments” is necessary so that the Payment equals the
Reduced Amount, reduction shall occur in the following order unless the
Participant elects in writing a different order (provided, however, that such
election shall be subject to Company approval if made on or after the date on
which the event that triggers the Payment occurs): (1) reduction of cash
payments; (2) cancellation of accelerated vesting of equity awards other than
stock options; (3) cancellation of accelerated vesting of stock options; and
(4) reduction of other benefits paid to a Participant. If acceleration of
vesting of compensation from a Participant’s equity awards is to be reduced,
such acceleration of vesting shall be cancelled by first canceling such
acceleration for the vesting installment that will vest last and continuing by
canceling as a first priority such acceleration for vesting installment with
the latest vesting unless the Participant elects in writing a different order
for cancellation prior to any Change in Control.

(d)           Mitigation. 
Except as otherwise specifically provided herein, a Participant shall
not be required to mitigate damages or the amount of any payment provided under
this Plan by seeking other employment or otherwise, nor shall the amount of any
payment provided for under this Plan be reduced by any compensation earned by a
Participant as a result of employment by another employer or any retirement
benefits received by such Participant after the date of the Participant’s
Covered Termination, except for health continuation coverage provided pursuant
to Section 4(b).

(e)           Non-Duplication of
Benefits.  Except as otherwise specifically provided for
herein, no Participant is eligible to receive benefits under this Plan more
than one time.  This Plan is designed to
provide certain severance pay and benefits to Participants pursuant to the
terms and conditions set forth in this Plan. 
The payments pursuant to this Plan are in addition to, and not in lieu
of, any unpaid salary, bonuses or benefits to which a Participant may be
entitled for the period ending with the Participant’s Covered Termination.

 7
 

6.                                      TIME OF
PAYMENT AND FORM OF BENEFITS.

(a)           General Rules. 
Except as otherwise provided herein, benefits in Section 4 shall be
paid in accordance with and subject to the Company’s normal payroll
practices.  In no event shall payment of
any Plan benefit be made prior to the Participant’s termination date or prior
to the effective date of the release described in Section 5(a).  For the avoidance of doubt, in the event of
an acceleration of the exercisability of an option or other Equity Interest
pursuant to Section 4(c), such acceleration shall not be effective until
the effective date of the release described in Section 5(a).  Notwithstanding the provisions of
Section 4 and this Section 6(a) regarding the timing of the payment
of benefits, if the Company or any Entity that acquires control of the Company
pursuant to a Change in Control is in breach of its obligations to a Covered
Participant or otherwise refuses to comply with its obligations pursuant to the
Plan with respect to a Covered Participant, all benefits due such Covered
Participant shall be immediately due and payable on the later of (i) the date
of such breach or refusal or (ii) the date of the Covered Participant’s Covered
Termination.  For the purposes of this
Section 6(a), “Covered Participant” means a
Participant who has incurred a Covered Termination at the time of the breach or
refusal or who incurs a Covered Termination after a breach or refusal while
such breach remains uncured or such refusal remains in effect.

(b)           Application of
Section 409A.  If the Plan Administrator determines that (i)
any cash severance benefit provided under Section 4(a), (ii) any health
continuation coverage provided under Section 4(b), or (iii) any additional
benefit provided under Section 4(e) fails to satisfy the distribution
requirement of Section 409A(a)(2)(A) of the Code as a result of the application
of Section 409A(a)(2)(B)(i) of the Code, the payment of such benefit shall be
accelerated to the minimum extent necessary so that the benefit is not subject
to the provisions of Section 409A(a)(1) of the Code.  (It is the intention of the preceding
sentence to apply the short-term deferral provisions of Section 409A of the
Code, and the regulations and other guidance thereunder, to such payments and
benefits.  The payment schedule as
revised after the application of such preceding sentence shall be referred to
as the “Revised Payment Schedule.”)  However, if there is no Revised Payment
Schedule that would avoid the application of Section 409A(a)(1) of the Code,
the payment of such benefits shall not be paid pursuant to the original payment
schedule or a Revised Payment Schedule and instead the payment of such benefits
shall be delayed to the minimum extent necessary so that such benefits are not
subject to the provisions of Section 409A(a)(1) of the Code.  The Plan Administrator may attach conditions
to or adjust the amounts paid pursuant to this Section 6(b) to preserve,
as closely as possible, the economic consequences that would have applied in
the absence of this Section 6(b); provided, however,
that no such condition shall result in the payments being subject to Section
409A(a)(1) of the Code.

(c)           Withholding.  All
payments under the Plan will be subject to all applicable withholding
obligations of the Company, including, without limitation, obligations to
withhold for federal, state and local income and employment taxes.

(d)           Indebtedness of
Participants.  If a Participant is indebted to the Company
on the effective date of his or her Covered Termination, the Plan Administrator
reserves the right to offset any severance payments under the Plan by the
amount of such indebtedness.

7.                                      RE-EMPLOYMENT.

If the Company re-employs a Participant during such
Participant’s Coverage Period, the Plan Administrator may in its sole and
absolute discretion require such Participant to repay to the Company and/or
waive all or a portion of the benefits paid or otherwise payable under the Plan
as a condition of re-employment. 
Participant’s refusal to accept re-employment on such terms and
conditions shall not affect such Participant’s entitlement to benefits paid or
payable as a result of such Participant’s earlier termination or resignation.

 8
 

8.                                      RIGHT TO
INTERPRET PLAN; AMENDMENT AND TERMINATION.

(a)           Exclusive
Discretion.  The Plan Administrator shall have the
exclusive discretion and authority to establish rules, forms, and procedures
for the administration of the Plan, and to construe and interpret the Plan and
to decide any and all questions of fact, interpretation, definition,
computation or administration arising in connection with the operation of the Plan,
including, but not limited to, the eligibility to participate in the Plan and
amount of benefits paid under the Plan. 
The rules, interpretations, computations and other actions of the Plan
Administrator shall be binding and conclusive on all persons.

(b)           Amendment or
Termination.  The Company reserves the right to amend or
terminate this Plan or the benefits provided hereunder at any time; provided, however, that no such amendment
or termination shall be effective as to any Participant who would be adversely
affected by such amendment or termination unless such Participant consents in
writing to such amendment or termination. 
Any action amending or terminating the Plan shall be in writing and
executed by the Company’s Chief Executive Officer, President or Chief Financial
Officer.

9.                                      NO
IMPLIED EMPLOYMENT CONTRACT.

The Plan shall not be deemed
(i) to give any employee or other person any right to be retained in the
Company’s employ, or (ii) to interfere with the Company’s right to discharge
any employee or other person at any time, with or without cause.

10.                               LEGAL
CONSTRUCTION.

This Plan is intended to be
governed by and shall be construed in accordance with the laws of the State of
California.

11.                               CLAIMS,
INQUIRIES AND APPEALS.

(a)           Applications for
Benefits and Inquiries.  Any application for benefits, inquiries about
the Plan or inquiries about present or future rights under the Plan must be
submitted to the Plan Administrator in writing by an applicant (or his or her
authorized representative).  The Plan
Administrator is set forth in Section 1.

(b)           Denial of Claims.  If
any application for benefits is denied in whole or in part, the Plan
Administrator must provide the applicant with written or electronic notice of
the denial of the application, and of the applicant’s right to review the
denial.  The notice of denial will be set
forth in a manner designed to be understood by the applicant and will include
the following:

(i)            the
specific reason or reasons for the denial;

(ii)           references
to the specific Plan provisions upon which the denial is based; and

(iii)         a
description of any additional information or material that the Plan
Administrator needs to complete the review and an explanation of why such
information or material is necessary.

This notice of denial will be given to the applicant
within fifteen (15) days after the Plan Administrator receives the application,
unless special circumstances require an extension of time, in which case, the
Plan Administrator has up to an additional fifteen (15) days for processing the
application.  If an extension of 

 9
 

time for processing is
required, written notice of the extension will be furnished to the applicant
before the end of the initial fifteen (15) day period.

This notice of extension
will describe the special circumstances necessitating the additional time and
the date by which the Plan Administrator is to render its decision on the
application.

(c)           Request for a Review.  Any
person (or that person’s authorized representative) for whom an application for
benefits is denied, in whole or in part, may appeal the denial by submitting a
request for a review to the Plan Administrator within fifteen (15) days after
the application is denied.  A request for
a review shall be in writing and shall be addressed to:

Symyx Technologies, Inc.

Attn:  EVP and General Counsel

415 Oakmead Parkway

Sunnyvale, CA 94085

A request for review must
set forth all of the grounds on which it is based, all facts in support of the
request and any other matters that the applicant feels are pertinent.  The applicant (or his or her representative)
shall have the opportunity to submit (or the Plan Administrator may require the
applicant to submit) written comments, documents, records, and other
information relating to his or her claim. 
The applicant (or his or her representative) shall be provided, upon
request and free of charge, reasonable access to, and copies of, all documents,
records and other information relevant to his or her claim.  The review shall take into account all
comments, documents, records and other information submitted by the applicant
(or his or her representative) relating to the claim, without regard to whether
such information was submitted or considered in the initial benefit
determination.

(d)           Decision on Review.  The
Plan Administrator will act on each request for review within fifteen (15) days
after receipt of the request, unless special circumstances require an extension
of time (not to exceed an additional fifteen (15) days), for processing the
request for a review.  If an extension
for review is required, written notice of the extension will be furnished to
the applicant within the initial fifteen (15) day period.  This notice of extension will describe the
special circumstances necessitating the additional time and the date by which
the Plan Administrator is to render its decision on the review.  The Plan Administrator will give prompt,
written or electronic notice of its decision to the applicant. If the Plan
Administrator confirms the denial of the application for benefits in whole or
in part, the notice will set forth, in a manner calculated to be understood by
the applicant, the following:

(i)            the
specific reason or reasons for the denial;

(ii)           references
to the specific Plan provisions upon which the denial is based; and

(iii)         a
statement that the applicant is entitled to receive, upon request and free of
charge, reasonable access to, and copies of, all documents, records and other
information relevant to his or her claim.

 10
 

(e)           Final Denial.  If
the Plan Administrator does not respond to an applicant’s claim or appeal
within the relevant time limits specified in this Section 11, or issues a
final denial following applicant’s appeal as described in Section 11(d) above,
the applicant may bring legal action for benefits under the Plan.  The agent for the service of legal process
with respect to the Plan is:

Symyx
Technologies, Inc.

Attn:  EVP and General Counsel

415 Oakmead Parkway

Sunnyvale, CA 94085

12.                               BASIS OF
PAYMENTS TO AND FROM PLAN.

The Plan shall be unfunded,
and all benefits hereunder shall be paid only from the Company’s general
assets.

13.                               GENERAL
PROVISIONS.

(a)           Notices.  Any notice, demand or request required or permitted to be given by
either the Company or a Participant pursuant to the terms of this Plan shall be
in writing and shall be deemed given when delivered personally or deposited in
the U.S. mail, First Class with postage prepaid, and addressed to the parties,
in the case of the Plan Administrator, at the address set forth in
Section 2(t) and, in the case of a Participant, at the address as set
forth in the Company’s employment file maintained for the Participant as
previously furnished by the Participant or such other address as a party may
request by notifying the other in writing.

(b)           Transfer and
Assignment.  The rights and obligations of a Participant
under this Plan may not be transferred or assigned without the prior written
consent of the Company.  This Plan shall
be binding upon any surviving entity resulting from a Change in Control and
upon any other person who is a successor by merger, acquisition, consolidation
or otherwise to the business formerly carried on by the Company without regard
to whether or not such person or entity actively assumes the obligations
hereunder.

(c)           Waiver.  Any Party’s failure to enforce any provision or provisions of this Plan
shall not in any way be construed as a waiver of any such provision or
provisions, nor prevent any Party from thereafter enforcing each and every
other provision of this Plan.  The rights
granted the Parties herein are cumulative and shall not constitute a waiver of
any Party’s right to assert all other legal remedies available to it under the
circumstances.

(d)           Severability.  Should any provision of this Plan be declared or determined to be
invalid, illegal or unenforceable, the validity, legality and enforceability of
the remaining provisions shall not in any way be affected or impaired.

(e)           Section
Headings.  Section headings in this Plan are included
for convenience of reference only and shall not be considered part of this Plan
for any other purpose.

 11
 

14.                               EXECUTION.

To
record the adoption of the Plan as set forth herein, Symyx Technologies, Inc.
has caused its duly authorized officer to execute the same as of the Effective
Date.

SYMYX TECHNOLOGIES,
INC.

By:

Title:

 12

For Employees Age
40 or Older

Individual Termination

EXHIBIT A

RELEASE AGREEMENT

I understand and agree completely to the terms set forth in the Symyx
Technologies, Inc. Executive Change in Control and Severance Benefit Plan (the “Plan”).

I understand this Release,
together with the Plan, constitutes the complete, final and exclusive
embodiment of the entire agreement between the Company and me with regard to
the subject matter hereof.  I am not
relying on any promise or representation by the Company that is not expressly
stated therein.  Certain capitalized
terms used in this Release are defined in the Plan.

I hereby confirm my
obligations under the Company’s proprietary information and inventions
agreement.

Except as otherwise set
forth in this Release, I hereby generally and completely release Symyx
Technologies, Inc. and its current and former directors, officers, employees,
shareholders, partners, agents, attorneys, predecessors, successors, parent and
subsidiary entities, insurers, affiliates, and assigns from any and all claims,
liabilities and obligations, both known and unknown, that arise out of or are
in any way related to events, acts, conduct, or omissions occurring prior to my
signing this Agreement.  This general
release includes, but is not limited to: 
(1) all claims arising out of or in any way related to my employment
with the Company, or the termination of that employment; (2) all claims related
to my compensation or benefits from the Company, including salary, bonuses,
commissions, vacation pay, expense reimbursements, severance pay, fringe
benefits, stock, stock options, or any other ownership interests in the
Company; (3) all claims for breach of contract, wrongful termination, and
breach of the implied covenant of good faith and fair dealing, express or
implied; (4) all tort claims, including claims for fraud, defamation, emotional
distress, and discharge in violation of public policy; and (5) all federal,
state, and local statutory claims, including claims for discrimination,
harassment, retaliation, attorneys’ fees, or other claims arising under the
federal Civil Rights Act of 1964 (as amended), the federal Americans with
Disabilities Act of 1990, the federal Age Discrimination in Employment Act of
1967 (as amended) (“ADEA”), the California
Constitution or the constitution of any other state, and the California Fair
Employment and Housing Act (as amended) or similar statute of any other state; provided, however,
that nothing in this paragraph shall be construed in any way to release the Company
from its obligation to indemnify me pursuant to agreement or applicable law.

I acknowledge I am knowingly
and voluntarily waiving and releasing any rights I may have under the ADEA (“ADEA Waiver”).  I also acknowledge that the consideration
given for the ADEA Waiver is in addition to anything of value to which I was
already entitled.  I further acknowledge
that I have been advised by this writing, as required by the ADEA, that: (a) my
ADEA Waiver does not apply to any rights or claims that arise after the date I
sign this Release; (b) I should consult with an attorney prior to signing this
Release; (c) I have twenty-one (21) days to consider this Release (although I
may choose to voluntarily sign it sooner); (d) I have seven (7) days following
the date I sign this Release to revoke the ADEA Waiver; and (e) the ADEA Waiver
will not be effective until the date upon which the revocation period has
expired unexercised, which will be the eighth day after I sign this Release (“Effective Date”).  Nevertheless, my general release of claims,
except for the ADEA Waiver, is effective immediately, and not revocable.

 1
 

I acknowledge I have read
and understand Section 1542 of the California Civil Code which reads as
follows: “A general release does not extend to claims which
the creditor does not know or suspect to exist in his favor at the time of
executing the release, which if known by him must have materially affected his
settlement with the debtor.” 
I hereby expressly waive and relinquish all rights and benefits under
that Section and any law of any jurisdiction of similar effect with respect to
my release of any claims hereunder.

To the fullest extent permitted by law, at no time
after the execution of this Release will I pursue, or cause or knowingly permit
the pursuit in any state or federal court, or before any local, state or
federal administrative agency, or any tribunal, any charge, claim or action of
any kind, nature or character arising out of the matters released as described
herein, except for an action to enforce the provisions of the Plan; provided, however, that nothing in this paragraph prevents
me from testifying truthfully in any legal proceeding pursuant to subpoena or
other legal process.

I
acknowledge that to become effective, I must sign and return this Release to
the Company so that it is received not later than twenty-one (21) days
following the date it is provided to me.

	
  

  	
  Employee

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Name:

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Date:

  	
   

  

 

 2

For Employees Age
40 or Older

Group Termination

EXHIBIT B

RELEASE AGREEMENT

I understand and agree completely to the terms set forth in the Symyx
Technologies, Inc. Executive Change in Control and Severance Benefit Plan (the “Plan”).

I understand that this
Release, together with the Plan, constitutes the complete, final and exclusive
embodiment of the entire agreement between the Company and me with regard to
the subject matter hereof.  I am not
relying on any promise or representation by the Company that is not expressly
stated therein.  Certain capitalized
terms used in this Release are defined in the Plan.

I hereby confirm my
obligations under the Company’s proprietary information and inventions
agreement.

Except as otherwise set
forth in this Release, I hereby generally and completely release Symyx
Technologies, Inc. and its current and former directors, officers, employees,
shareholders, partners, agents, attorneys, predecessors, successors, parent and
subsidiary entities, insurers, affiliates, and assigns from any and all claims,
liabilities and obligations, both known and unknown, that arise out of or are
in any way related to events, acts, conduct, or omissions occurring prior to my
signing this Agreement.  This general
release includes, but is not limited to: 
(1) all claims arising out of or in any way related to my employment
with the Company, or the termination of that employment; (2) all claims related
to my compensation or benefits from the Company, including salary, bonuses,
commissions, vacation pay, expense reimbursements, severance pay, fringe
benefits, stock, stock options, or any other ownership interests in the
Company; (3) all claims for breach of contract, wrongful termination, and
breach of the implied covenant of good faith and fair dealing, express or
implied; (4) all tort claims, including claims for fraud, defamation, emotional
distress, and discharge in violation of public policy; and (5) all federal,
state, and local statutory claims, including claims for discrimination,
harassment, retaliation, attorneys’ fees, or other claims arising under the
federal Civil Rights Act of 1964 (as amended), the federal Americans with
Disabilities Act of 1990, the federal Age Discrimination in Employment Act of
1967 (as amended) (“ADEA”), the California
Constitution or the constitution of any other state, and the California Fair
Employment and Housing Act (as amended) or similar statute of any other state; provided, however,
that nothing in this paragraph shall be construed in any way to release the Company
from its obligation to indemnify me pursuant to agreement or applicable law.

I acknowledge that I am
knowingly and voluntarily waiving and releasing any rights I may have under the
ADEA (“ADEA Waiver”).  I also acknowledge that the consideration
given for the ADEA Waiver is in addition to anything of value to which I was
already entitled.  I further acknowledge
that I have been advised by this writing, as required by the ADEA, that:  (a) my ADEA Waiver does not apply to any
rights or claims that arise after the date I sign this Release; (b) I should
consult with an attorney prior to signing this Release; (c) I have forty-five
(45) days to consider this Release (although I may choose to voluntarily sign
it sooner); (d) I have seven (7) days following the date I sign this Release to
revoke the ADEA Waiver; and (e) the ADEA Waiver will not be effective until the
date upon which the revocation period has expired unexercised, which will be
the eighth day after I sign this Release 

 1
 

(“Effective Date”).  Nevertheless, my general release of claims,
except for the ADEA Waiver, is effective immediately, and not revocable.

I have received with this
Release a detailed list of the job titles and ages of all employees who were
terminated in this group termination and the ages of all employees of the
Company in the same job classification or organizational unit who were not
terminated.

I acknowledge that I have
read and understand Section 1542 of the California Civil Code which reads as
follows: “A general release does not
extend to claims which the creditor does not know or suspect to exist in his
favor at the time of executing the release, which if known by him must have
materially affected his settlement with the debtor.”  I hereby expressly waive and relinquish all rights
and benefits under that Section and any law of any jurisdiction of similar
effect with respect to my release of any claims hereunder.

To the fullest extent
permitted by law, at no time after the execution of this Release will I pursue,
or cause or knowingly permit the pursuit in any state or federal court, or
before any local, state or federal administrative agency, or any tribunal, any
charge, claim or action of any kind, nature or character arising out of the
matters released as described herein, except for an action to enforce the
provisions of the Plan, provided, however,
that nothing in this paragraph prevents me from testifying truthfully in any
legal proceeding pursuant to subpoena or other legal process.

I
acknowledge that to become effective, I must sign and return this Release to
the Company so that it is received not later than forty-five (45) days
following the date it is provided to me.

	
  

  	
  Employee

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Name:

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Date:

  	
   

  

 

 2

EXHIBIT C

RELEASE AGREEMENT

I understand and agree completely
to the terms set forth in the Symyx Technologies, Inc. Executive Change in
Control and Severance Benefit Plan (the “Plan”).

I understand that this
Release, together with the Plan, constitutes the complete, final and exclusive
embodiment of the entire agreement between the Company and me with regard to
the subject matter hereof.  I am not
relying on any promise or representation by the Company that is not expressly
stated therein.  Certain capitalized
terms used in this Release are defined in the Plan.

I hereby confirm my
obligations under the Company’s proprietary information and inventions
agreement.

Except as otherwise set
forth in this Release, I hereby generally and completely release Symyx Technologies,
Inc. and its current and former directors, officers, employees, shareholders,
partners, agents, attorneys, predecessors, successors, parent and subsidiary
entities, insurers, affiliates, and assigns from any and all claims,
liabilities and obligations, both known and unknown, that arise out of or are
in any way related to events, acts, conduct, or omissions occurring prior to my
signing this Agreement.  This general
release includes, but is not limited to: 
(1) all claims arising out of or in any way related to my employment
with the Company, or the termination of that employment; (2) all claims related
to my compensation or benefits from the Company, including salary, bonuses,
commissions, vacation pay, expense reimbursements, severance pay, fringe
benefits, stock, stock options, or any other ownership interests in the
Company; (3) all claims for breach of contract, wrongful termination, and
breach of the implied covenant of good faith and fair dealing; (4) all tort
claims, including claims for fraud, defamation, emotional distress, and
discharge in violation of public policy; and (5) all federal, state, and local
statutory claims, including claims for discrimination, harassment, retaliation,
attorneys’ fees, or other claims arising under the federal Civil Rights Act of
1964 (as amended), the federal Americans with Disabilities Act of 1990, the
California Constitution or the constitution of any other state, and the
California Fair Employment and Housing Act (as amended) or similar statute of
any other state; provided, however, that nothing in this paragraph shall be
construed in any way to release the Company from its obligation to indemnify me
pursuant to agreement or applicable law.

I acknowledge that I have
read and understand Section 1542 of the California Civil Code which reads as
follows: “A general release does not
extend to claims which the creditor does not know or suspect to exist in his
favor at the time of executing the release, which if known by him must have
materially affected his settlement with the debtor.”  I hereby expressly waive and relinquish all
rights and benefits under that Section and any law of any jurisdiction of
similar effect with respect to my release of any claims hereunder.

To the fullest extent
permitted by law, at no time after the execution of this Release will I pursue,
or cause or knowingly permit the pursuit in any state or federal court, or
before any local, state or federal administrative agency, or any tribunal, any
charge, claim or action of any kind, nature or character arising out of the
matters released as described herein, except for an action to enforce the
provisions of the Plan; provided, however,
that nothing in this paragraph prevents me from testifying truthfully in any
legal proceeding pursuant to subpoena or other legal process.

 1
 

I acknowledge that to become effective, I must sign and return this
Release to the Company so that it is received not later than fourteen (14) days
following the date it is provided to me.

	
  

  	
  EMPLOYEE

  
	
   

  	
   

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Name:

  	
   

  
	
   

  	
   

  	
   

  
	
   

  	
  Date:

  	
   

  

 

 2

SYMYX TECHNOLOGIES, INC.

EXECUTIVE CHANGE IN CONTROL AND SEVERANCE BENEFIT PLAN

PARTICIPATION
NOTICE

	
  To:

  	
   

  	
   

  
	
  Date:

  	
   

  	
   

  

 

Symyx Technologies, Inc. (the “Company”)
has adopted the Symyx Technologies, Inc. Executive Change in Control and
Severance Benefit Plan (the “Plan”).  The Company is providing you this
Participation Notice to inform you that you qualify as a Plan participant.  A copy of the Plan document is attached to
this Participation Notice. [Except as provided below, the] [The] terms and
conditions of your participation in the Plan are as set forth in the Plan, and
in the event of any conflict between this Participation Notice and the Plan,
the terms of the Plan shall prevail.

[You are hereby designated as a “CEO Participant”
for the purposes of the Plan.]

[Your participation in the Plan is modified as
follows:                                               ]

Please retain a copy of this
Participation Notice, along with the Plan document, for your records.  Please sign and return a copy of this
Participation Notice to EVP and General Counsel by                 .
[Insert due date for return of Participation Notice.]  The failure to return a signed copy of this
Participation Notice by such date will revoke your participation in the Plan.

	
  

  	
  SYMYX TECHNOLOGIES,
  INC.

  
	
   

  	
  By:

  	
   

  
	
   

  	
  Its:

  	
   

  

 

ACKNOWLEDGEMENT

The undersigned hereby acknowledges receipt of the foregoing
Participation Notice.  The undersigned
acknowledges that the undersigned has been advised to obtain tax and financial
advice regarding the consequences of participating in the Plan, including the
effect, if any, of Sections 409A and 4999 of the Internal Revenue Code.  The undersigned further acknowledges that the
undersigned has no severance benefits except as provided by the attached Plan.

	
  

  	
   

  
	
   

  	
   

  
	
   

  	
  Print name

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