Document:

Agreement dated August 16, 2002

  
 EXHIBIT 10.1 
  

August 16, 2002 
  
 Mr. James L. Mann 
  
 Dear Jim: 
  
 As part of the
management transition plan at SunGard Data Systems Inc. (the “Company” or “SunGard”), it is our understanding that you are relinquishing the Chief Executive Officer position and that, effective immediately, Cris Conde will be
elected to that position. As part of this transition, we have agreed to the following terms regarding your continued relationship with the Company and your future responsibilities. 
  
 1. Subject to satisfying its fiduciary duties and other applicable legal standards, the Board of Directors of the Company (or, if applicable, the Nominating Committee) will
nominate you as a director candidate, use reasonable efforts to seek your reelection as a director, and elect you as Chairman of the Board through May 31, 2004. After May 31, 2004, your election as Chairman of the Board will be at the sole
discretion of the Board. 
  
 2. The Company will use its best efforts to retain you as an employee of SunGard through
May 31, 2011. During this time, you will provide advice and services in the areas of acquisitions, long-term strategy, executive development and other subjects within your knowledge and experience. You will attend the Company’s annual planning
meetings and will be available to attend other meetings when reasonably requested. 
  
 3. Until May 31, 2004, you
will continue to participate in the Company’s executive incentive compensation program at the level determined by the Compensation Committee. Beginning June 1, 2004, you will no longer be eligible to participate in the Company’s executive
incentive compensation program. If you are reelected as Chairman of the Board in May 2004, you will receive an annual salary of $500,000 for the period from June 1, 2004 through May 31, 2005. If you cease to serve as Chairman of the Board but remain
a director of the Company, you will receive a cash amount comparable to other outside directors. If you cease to be a director of the Company, the Company will no longer be obligated to compensate you as Chairman or as a director, but may elect to
pay you an annual salary as determined by the Compensation Committee. After May 31, 2005, your compensation will be as determined by the Compensation Committee. Your compensation will be paid in accordance with the Company’s usual payroll
practices and will be subject to the usual withholdings. 
  
 4. You will continue to have a dedicated office and
reasonable administrative support at the Company’s headquarters or at any other SunGard facility reasonably requested by you. You will continue to have access to, and use of, SunGard’s personal computers you are currently using (and
reasonable replacements thereof) as well as SunGard’s corporate network and intranet (including the Company’s e-mail and database resources). 

 

 5.  While you are an employee of the Company, your SunGard stock options will continue to vest in accordance
with the terms of your option grant letters, you will have the right to participate in SunGard’s employee stock purchase and 401(k) savings plans, and your group health and other employee benefits will continue in accordance with the
Company’s employee benefit plans. 
  
 6.  You will continue to comply with SunGard’s corporate
policies. You will maintain the confidentiality of SunGard’s trade secrets and confidential information. While you serve as Chairman of the Board, you will not enter into any activity that competes with SunGard. 
  
 7.  Except as provided in this letter, you will not receive any other compensation and benefits from SunGard as long as you are
an employee of the Company. 
  
 8.  Your indemnification agreement with SunGard will continue in effect.

  
 9.  This letter will remain in effect until May 31, 2011 unless sooner terminated as a result of your
death or long-term disability, your voluntary resignation, or your termination by SunGard for cause. 
  
 10.  This letter will be governed by Pennsylvania state law (without regard to conflicts of laws). This letter supersedes any previous or contemporaneous agreements, discussions or proposals, oral or written, between you
and SunGard regarding the subject matter hereof. This letter may not be amended, and no rights under this letter may be waived, except in a written document signed by the party against whom enforcement is sought. This letter will be enforceable by
and against SunGard and its successors and assigns irrespective of any future change in management or control, and by and against you and your heirs, executors, administrators and personal representatives. If any provision of this letter is held to
be unenforceable, then the remainder of this letter will remain enforceable without regard to the unenforceable provision. In any action to enforce this letter, the prevailing party will be entitled to recover reasonable attorney’s fees and
legal expenses from the other party. 
  
 Please sign below to indicate your agreement with the terms of this letter. 

 
 Sincerely, 
  
 /s/ Michael J. Ruane

  
 Michael J. Ruane 
 SVP-Finance & Chief Financial Officer 
  
 
	 Agreed To:
 	 	 Approved:
 

 
 
	  	 	  
	 
	   /s/ James L. Mann      
 
	 	 /s/ Michael C. Brooks      
 

	 James L. Mann
 	 	 Michael C. Brooks
 
	 Chairman of the Board of Directors
 	 	 Compensation Committee Chairman
 
	 Date: August 16, 2002
 	 	 Date: August 16, 2002<PAGE>

                                                                   Exhibit 10.36

                 SECOND AMENDED AND RESTATED SEVERANCE AGREEMENT

          THIS AMENDED AND RESTATED AGREEMENT dated as of September 1, 2002 is
made by and between ViroPharma Incorporated (the "Company"), and Claude Nash
(the "Employee").

          WHEREAS, the Company and the Employee entered into that certain
Severance Agreement dated August 21, 2000, as amended and restated as of October
18, 2002 and the parties desire to further amend and restate such agreement in
its entirety as set forth herein; and

          WHEREAS, the Board of Directors of the Company (the "Board")
recognizes that, as is the case with many publicly held corporations, the
possibility of a Change of Control (as defined in the last Section hereof)
exists and that such possibility, and the uncertainty and questions which it may
raise among management, may result in the departure or distraction of key
personnel to the detriment of the Company and its stockholders; and

          WHEREAS, the Board also recognizes that by continuing service with the
Company as an employee and as a member of the Board, Employee has foregone other
significant opportunities and should be protected against the possibility of his
involuntary termination of employment without cause or a constructive
termination of his employment; and

          WHEREAS, the Board has determined that appropriate steps should be
taken to reinforce and encourage the continued attention and dedication of the
Company's key personnel, including the Employee, to their assigned duties
without distraction in the face of potentially disturbing circumstances arising
from the possibility of a Change of Control or other termination of employment;

          NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained, this Company and the Employee hereby agree as
follows:

1.   Defined Terms. Unless sooner defined below, the definition of capitalized
terms used in this Agreement is provided in the last Section hereof.

2.   Payments.

     2.1  From the date hereof until August 31, 2003, the Employee shall perform
such duties as the President of the Company may determine from time to time, and
in respect thereof the Employee shall receive (a) such health, life, disability
and accident insurance benefits substantially similar to those which are
received by other employees of the Company, and (b) a salary in the amount of
$12,500 per month, provided however that such employment shall be an "at-will"
relationship terminable at any time by either the Company or the Employee for
any reason whatsoever, with or without Cause, and upon termination of such
employment relationship, the obligations of the Company under this Section 2.1
shall automatically terminate. Unless otherwise expressly agreed to by the
Compensation Committee of the Board of Directors of the Company, the Employee
shall not be entitled to participate in any of the Company's stock option or
incentive bonus arrangements in his capacity as an employee. The Company shall

<PAGE>

maintain an office for the Employee during the period that Employee continues to
serve on the Board of Directors of the Company.

     2.2   (a)  Provided that Employee has signed the Release attached hereto as
Exhibit A (the "Release"), the Company shall pay the Employee the payments
described in this Section 2.2 (the "Severance Payments") upon the termination of
the Employee's employment, unless such termination is (i) by the Company for
Cause, or (ii) by reason of death or Disability. Notwithstanding the foregoing,
the Company's obligation to pay Employee the Severance Payments or to provide
any other benefit to Employee hereunder shall immediately cease (A) upon
Employee's breach of any of the provisions set forth in Section 3 below, or (B)
if Employee revokes or attempts to revoke the Release.

           (b)  For the two-year period starting on the Date of Termination, the
Company shall arrange to provide the Employee with life, disability and accident
insurance benefits substantially similar to those which the Employee is
receiving immediately prior to the Notice of Termination (without giving effect
to any reduction in such benefits if such reduction constitutes Good Reason).
For the entire period beginning on the Date of Termination and ending on the
earlier of the Employee's death or the Employee's 65th birthday, Company shall
arrange to provide the Employee with health insurance benefits substantially
similar to those which the Employee is receiving immediately prior to the Notice
of Termination (without giving effect to any reduction in such benefits if such
reduction constitutes Good Reason). Benefits otherwise receivable by the
Employee pursuant to this Section 2.2(b) shall be reduced to the extent
comparable benefits are actually received by or made available to the Employee
without cost during the above-referenced period. In addition, any such benefits
actually received by the Employee shall be reported to the Company by the
Employee. Notwithstanding the foregoing, to the extent that the coverage
described in this Section 2.2(b) cannot be provided under the Company's benefit
plans without jeopardizing the tax status of such plans, for underwriting
reasons or because of the tax impact on the Employee, then the Company shall pay
the Employee an amount such that the Employee can purchase such benefits
separately at no greater after tax cost to the Employee than the Employee would
have had if the benefits were provided to the Employee as an employee of the
Company.

     2.3.  (a)  Whether or not the Employee becomes entitled to the Severance
Payments, if any of the Total Payments (as defined in subsection (b) below) will
be subject to an excise tax under Section 4999 of the Code (the "Excise Tax"),
the Company shall pay to the Employee an additional amount (the "Gross-Up
Payment") such that the net amount retained by the Employee, after deduction of
any Excise Tax on the Total Payments and any federal, state and local income tax
and Excise Tax upon the payment provided for by this Section 2.3, shall be equal
to the excess of the Total Payments over the payment provided for by this
Section 2.3.

           (b)  For purposes of determining whether any of the Total Payments
will be subject to the Excise Tax and the amount of such Excise Tax, (i) any
payments or benefits received or to be received by the Employee in connection
with a Change of Control or the

                                        2

<PAGE>

Employee's termination of employment, whether pursuant to the terms of this
Agreement or any other plan, arrangement or agreement with the Company (the
"Total Payments"), shall be treated as "parachute payments" (within the meaning
of section 280G(b)(2) of the Code) unless, in the opinion of tax counsel
selected by the Company's independent auditors and reasonably acceptable to the
Employee, such payments or benefits (in whole or in part) do not constitute
parachute payments, including by reason of section 280G(b)(4)(A) of the Code,
and all "excess parachute payments" (within the meaning of section 280G(b)(1) of
the Code) shall be treated as subject to the Excise Tax unless, in the opinion
of such tax counsel, such excess parachute payments (in whole or in part)
represent reasonable compensation for services actually rendered (within the
meaning of section 280G(b)(4)(B) of the Code), or are otherwise not subject to
the Excise Tax, and (ii) the value of any noncash benefits or any deferred
payment or benefit shall be determined by the Company's independent auditors in
accordance with the principles of sections 280G(d)(3) and (4) of the Code. For
purposes of determining the amount of the Gross-Up Payment, the Employee shall
be deemed to pay federal income taxes at the highest marginal rate of federal
income taxation in the calendar year in which the Gross-Up Payment is to be
made, FICA taxes at the highest rate applicable with respect to wages in excess
of the Social Security taxable wage base in effect for the year of payment, and
state and local income taxes at the highest marginal rate of taxation in the
state and locality of the Employee's residence on the Date of Termination (or
such other time as is hereinafter described), net of the maximum reduction in
federal income taxes which could be obtained from deduction of such state and
local taxes.

           (c)  In the event that the Excise Tax is subsequently determined to
be less than the amount taken into account hereunder at the time of termination
of the Employee's employment (or such other time as is hereinafter described),
the Employee shall repay to the Company, at the time that the amount of such
reduction in Excise Tax is finally determined, the portion of the Gross-Up
Payment attributable to such reduction (plus that portion of the Gross-Up
Payment attributable to the Excise Tax and federal, state and local income tax
imposed on the Gross-Up Payment being repaid by the Employee to the extent that
such repayment results in a reduction in Excise Tax or a federal, state or local
income tax deduction) plus interest on the amount of such repayment at the rate
provided in section 1274(b)(2)(B) of the Code. In the event that the Excise Tax
is determined to exceed the amount taken into account hereunder at the time of
the termination of the Employee's employment (or such other time as is
hereinafter described) (including by reason of any payment the existence or
amount of which cannot be determined at the time of the Gross-Up Payment), the
Company shall make an additional Gross-Up Payment in respect of such excess
(plus any interest, penalties or addition payable by the Employee with respect
to such excess) at the time that the amount of such excess is finally
determined. The Employee and the Company shall each reasonably cooperate with
the other in connection with any administrative or judicial proceedings
concerning the existence or amount of liability for Excise Tax with respect to
the Total Payments. If an Employee who remains in the employ of the Company
becomes entitled to the payment provided for by this paragraph, such payment
shall be made no later than the later of (i) the fifth day following the date on
which the Employee notifies the Company that he is subject to the Excise Tax and
(ii) twenty days prior to the date on which the Excise Tax is initially due.

                                        3

<PAGE>

           (d)  The payments provided for in this Section 2.3 shall be made as
soon as practicable prior to the date that Employee is obligated to pay the
Excise tax; provided, however, that, if the amounts of such payments cannot be
finally determined on or before such day, the Company shall pay to the Employee
on such day an estimate, as determined in good faith by the Company of the
minimum amount of such payments to which the Employee is clearly entitled and
shall pay the remainder of such payments (together with interest at the rate
provided in section 1274(b)(2)(B) of the Code) as soon as the amount thereof can
be determined. In the event that the amount of the estimated payments exceeds
the amount subsequently determined to have been due, such excess shall
constitute a loan by the Company to the Employee, payable on the fifth (5th)
business day after demand by the Company (together with interest at the rate
provided in section 1274(b)(2)(B) of the Code). At the time that payments are
made under this section, the Company shall provide the Employee with a written
statement setting forth the manner in which such payments were calculated and
the basis for such calculations including.

3.   The Employee's Covenants.

     3.1   Except as is necessary in the performance of Employee's duties as an
employee and as a member of the Board of Directors of the Company, Employee
shall not, without the prior written consent of the Company in its sole
discretion, for any reason or for any purpose, during or after Employee's
employment by the Company, either directly or indirectly, divulge to any
third-party or use for his own direct or indirect benefit, any Company
Information (as defined below) revealed to or obtained by Employee at any time
during the course of his employment with the Company. "Company Information"
generally means all of the Company's confidential, proprietary, business and
technical information, trade secrets or other information or materials that have
not been made available to the general public by the Company. Nothing contained
herein shall restrict Employee from divulging or using for his own benefit or
for any other purpose any Company Information that is readily available to the
general public so long as such information did not become available to the
general public as a direct or indirect result of Employee's breach of this
Agreement.

     3.2.  For the two year period starting on the Date of Termination,
regardless of the reason for the termination, Employee shall not, directly or
indirectly, and whether for Employee's own direct or indirect benefit or for the
direct or indirect benefit of any third party:

           (a)  perform any services that may be used in connection with
developing, manufacturing or marketing a chemical entity or product that
competes with the Company's business of the discovery, development, manufacture,
marketing and sale of pharmaceuticals for the treatment of any disease that is
or was the focus of any of the Company's research, development or
commercialization programs that are described in or are incorporated by
reference into the Company's most recent Form 10-K or most recent Form S-1 or
S-3 filed with the Securities and Exchange Commission prior to the Date of
Termination, or that are otherwise publicly announced by the Company after the
filing of the foregoing Form 10-K, Form S-1 or

                                        4

<PAGE>

Form S-3 and prior to the Date of Termination (the "Business"), provided that
nothing in this Subsection shall prevent Employee, with the prior approval of a
majority of the members of the Board of Directors of the Company, from serving
on the Board of Directors of another entity that may otherwise be deemed to be
in competition with the Business; or

           (b)  solicit, call on, or otherwise deal in any way with any
licensor, customer, vendor or contractor with whom the Company shall have dealt
at any time during the period of Employee's employment by the Company, for a
purpose which is competitive with the Business; or

           (c)  employ, engage or retain, or arrange to have any other person or
entity employ, engage or retain any person who is an employee, contractor,
consultant or agent of the Company or shall have been employed, engaged or
retained by the Company as an employee, contractor, consultant or agent at any
time during the one (1) year period preceding the Date of Termination;
additionally, Employee shall not, directly or indirectly, influence or attempt
to influence any such person to terminate or modify his or her employment
arrangement or engagement with the Company.

     The Employee acknowledges that the Company would be irreparably injured by
a violation of this Section 3, and agrees that the Company, in addition to other
remedies available to it for such breach or threatened breach, shall be entitled
to a preliminary injunction, temporary restraining order or other equitable
relief restraining the Employee from any actual or threatened breach of this
Section 3 without any bond or other security being required. Employee's
obligation under this Section 3 shall survive any termination of the Company's
obligation to make payments to Employee hereunder.

4.   Termination Procedures.

     4.1.  During the term of this Agreement, any termination of the Employee's
employment (other than by reason of death) shall be communicated by written
Notice of Termination from one party hereto to the other party hereto in
accordance with Section 6 hereof. For purposes of this Agreement, a "Notice of
Termination" shall mean a notice which shall indicate the specific termination
provision in this Agreement relied upon and shall set forth in reasonable detail
the facts and circumstances claimed to provide a basis for termination of the
Employee's employment under the provision so indicated.

     4.2.  "Date of Termination," with respect to any termination of the
Employee's employment shall mean:

           (a)  if the Employee's employment is terminated for Disability,
thirty (30) days after Notice of Termination is given (provided that the
Employee shall not have returned to the full-time performance of the Employee's
duties during such thirty (30) day period); and

                                        5

<PAGE>

           (b)  if the Employee's employment is terminated for any other reason,
the date specified in the Notice of Termination, which, in the case of: (i) a
termination by the Company, shall not be less than thirty (30) days after the
date Notice of Termination is given (except in the case of a termination for
Cause) and, (ii) a termination by the Employee, shall not be less than fifteen
(15) days nor more than sixty (60) days after the date such Notice of
Termination is given.

5.   Successors; Binding Agreement.

     5.1.  In addition to any obligations imposed by law upon any successor to
the Company, the Company will require any successor (whether direct or indirect,
by purchase, merger, consolidation or otherwise) to all or substantially all of
the business or assets of the Company to expressly assume and agree to perform
this Agreement in the same manner and to the same extent that the Company would
be required to perform it if no such succession had taken place. Failure of the
Company to obtain such assumption and agreement prior to the effectiveness of
any such succession shall be a breach of this Agreement and shall entitle the
Employee to compensation from the Company in the same amount and on the same
terms as the Employee would be entitled to hereunder if the Employee were to
terminate the Employee's employment for Good Reason after a Change of Control,
except that, for purposes of implementing the foregoing, the date on which any
such succession becomes effective shall be deemed the Date of Termination.

     5.2.  This Agreement shall inure to the benefit of and be enforceable by
the Employee's personal or legal representatives, executors, administrators,
successors, heirs, distributees, devisees and legatees. If the Employee shall
die while any amount would still be payable to the Employee hereunder (other
than amounts which, by their terms, terminate upon the death of the Employee) if
the Employee had continued to live, all such amounts, unless otherwise provided
herein, shall be paid in accordance with the terms of this Agreement to the
executors, personal representatives or administrators of the Employee's estate.

6.   Notices. For the purpose of this Agreement, notices and all other
communications provided for in the Agreement shall be in writing and shall be
deemed to have been duly given when personally delivered or mailed by United
states registered mail, return receipt requested, postage prepaid, addressed to
the respective addresses set forth below, or to such other address as either
party may have furnished to the other in writing in accordance herewith, except
that notice of change of address shall be effective only upon actual receipt:

                                        6

<PAGE>

           To the Company:                    To the Employee:

           ViroPharma Incorporated            Claude H. Nash
           405 Eagleview Boulevard            2400 Beaver Hill Rd., PO Box 179,
           Exton, PA 19341                    Birchrunville, PA 19421-0179
           Attention: General Counsel

7.   Miscellaneous. No provision of this Agreement may be modified, waived or
discharged unless such waiver, modification or discharge is agreed to in writing
and signed by the Employee and such officer as may be specifically designated by
the Board. No waiver by either party hereto at any time of any breach by the
other party hereto of, or compliance with, any condition or provision of this
Agreement to be performed by such other party shall be deemed a waiver of
similar or dissimilar provisions or conditions at the same or at any prior or
subsequent time. No agreements or representations, oral or otherwise, express or
implied, with respect to the subject matter hereof have been made by either
party which are not expressly set forth in this Agreement. The validity,
interpretation, construction this Agreement shall be governed by the laws of the
Commonwealth of Pennsylvania. All references to sections of the Exchange Act or
the Code shall be deemed also to refer to any successor provisions to such
sections. Any payments provided for hereunder shall be paid net of any
applicable withholding required under federal, state or local law and any
additional withholding to which the Employee has agreed

8.   Validity. The invalidity or unenforceability of any provision of this
Agreement shall not affect the validity or enforceability of any other provision
of this Agreement, which shall remain in full force and effect.

9.   Counterparts. This Agreement may be executed in several counterparts, each
of which shall be deemed to be an original but all of which together will
constitute one and the same instruments.

10.  Settlement of Disputes; Arbitration. All claims by the Employee for
benefits under this Agreement shall be directed to and determined by the Board
and shall be in writing. Any denial by the Board of a claim for benefits under
this Agreement shall be delivered to the Employee in writing and shall set forth
the specific reasons for the denial and the specific provisions of this
Agreement relied upon. The Board shall afford a reasonable opportunity to the
Employee for a review of the decision denying a claim and shall further allow
the Employee to appeal to the Board a decision of the Board within sixty (60)
days after notification by the Board that the Employee's claim has been denied.
Any further dispute or controversy arising under or in connection with this
Agreement shall be settled exclusively by arbitration in Philadelphia,
Pennsylvania in accordance with the rules of the American Arbitration
Association then in effect. Judgment may be entered on the arbitrator's award in
any court having jurisdiction.

                                        7

<PAGE>

11.  Definitions. For purposes of this Agreement, the following terms shall have
the meanings indicated below:

     11.1  "Cause" means Employee's conviction of any felony, Employee's
commission of any act of fraud or embezzlement, or Employee's unauthorized use
or disclosure of confidential information or trade secrets of the Company or its
subsidiaries.

     11.2  "Change of Control" shall mean "Change of Control" as defined in the
ViroPharma Incorporated Stock Option Plan.

     11.3  "Code" shall mean the Internal Revenue Code of 1986, as amended from
time to time. References to specific sections of the code shall include any
successors thereto.

     11.4  "Disability" shall be deemed the reason for the termination by the
Company of the Employee's employment if, as a result of the Employee's
incapacity due to physical or mental illness, the Employee shall have been
absent from the full-time performance of the Employee's duties with the Company
for a period of six (6) consecutive months, the Company shall have given the
Employee a Notice of Termination for Disability and, within thirty (30) days
after such Notice of Termination is given, the Employee shall not have returned
to the full-time performance of the Employee's duties.

     11.5  "Exchange Act" shall mean the Securities Exchange Act of 1934, as
amended from time to time.

     11.6  "Good Reason" for termination by the Employee of the Employee's
employment shall mean the occurrence (without the Employee's express written
consent) of any one of the following acts by the Company, or failures by the
Company to act, unless, in the case of any act or failure to act described in
subsections (a), (d), or (e) below, such act or failure to act is corrected
prior to the Date of Termination specified in the Notice of Termination given in
respect thereof:

           (a)  the assignment by the Company to the Employee of any duties
inconsistent with the Employee's status as an employee of the Company or a
substantial adverse alteration in the nature or status of the Employee's
responsibilities;

           (b)  a reduction by the Company in the Employee's annual base salary
as in effect on the date hereof or as the same may be increased from time to
time except for across-the-board salary reductions similarly affecting all
Employees of the Company and all Employees of any Person in control of the
Company;

           (c)  the relocation by the Company of its principal executive offices
to a location more than 30 miles from the Company's principal offices on the
date of this Agreement or the Company's requiring the Employee to be based
anywhere other than the Company's

                                        8

<PAGE>

principal executive offices except for required travel on the Company's business
to an extent substantially consistent with the Employee's present business
travel obligations;

           (d)  the failure by the Company to pay to the Employee any portion of
the Employee's current compensation except pursuant to an across-the-board
compensation deferral similarly affecting all Employees of the Company and all
Employees of any Person in control of the Company, or to pay to the Employee any
portion of an installment of deferred compensation under any deferred
compensation program of the Company, within thirty (30) days of the date such
compensation is due;

           (e)  the failure by the Company to continue to provide the Employee
with benefits substantially similar to those enjoyed by the Employee under any
of the Company's pension, life insurance medical, health and accident, or
disability plans in which the Employee was participating immediately preceding
such failure, the taking of any action by the Company which would directly or
indirectly materially reduce any of such benefits or deprive the Employee of any
material fringe benefit enjoyed by the Employee immediately preceding such
failure, or the failure by the Company to provide the Employee with the number
of paid vacation days to which the Employee is entitled on the basis of years of
service with the Company in accordance, with the Company's normal vacation
policy in effect immediately preceding such failure.

     11.7  "Person" shall have the meaning given in section 3(a)(9) of the
Exchange Act, as modified and used in Sections 13(d) and 14(d) thereof;
provided, however, that a Person shall not include (a) the Company or any of its
subsidiaries, (b) a trustee or other fiduciary holding securities under an
employee benefit plan of the Company or any of its subsidiaries, (c) an
underwriter temporarily holding securities pursuant to an offering of such
securities, or (d) a corporation owned, directly or indirectly, by the
stockholders of the Company in substantially the same proportions as their
ownership of stock of the Company.

                                        9

<PAGE>

          IN WITNESS WHEREOF, this Agreement has been executed, as of the date
first above written, on behalf of this Company by its duly authorized officer
and by the Employee.

ATTEST:                               VIROPHARMA INCORPORATED

  /s/ Thomas F. Doyle                 By:  /s/ Michel de Rosen
------------------------------           ---------------------------------------
Secretary                                  Michel de Rosen
                                           Chief Executive Officer and President

                                      EMPLOYEE

                                      By:  /s/ Claude H. Nash
                                         ---------------------------------------
                                           Claude H. Nash

                                       10

<PAGE>

                                    EXHIBIT A

                                     RELEASE

In consideration for the above consideration and the promises contained in that
certain Second Amended and Restated Severance Agreement dated as of September 1,
2002 between you and ViroPharma Incorporated (the "Company"), the sufficiency of
which are hereby acknowledged, you hereby agree of your own free will, to
voluntarily waive, release and forever discharge the Company and its
subsidiaries, affiliates, predecessors, officers, employees and directors of and
from any and all actions, causes of actions, suits, grievances, claims, debts,
charges, complaints, contracts (whether oral or written, express or implied from
any source), claims for recall or reinstatement and promises, whatsoever, in law
or equity, which you or your heirs, executors, administrators, successors and
assigns, may have, or may have knowledge of, or may be charged with knowledge
of, as of the date of this Agreement, for, upon, or by reason of any matter,
cause or thing whatsoever, including, but not limited to, any and all matters
arising out of your employment by the Company and the cessation of said
employment, and including but not limited to, any violation of:

(a)  Title VII of the Civil Rights Act of 1964, as amended;

(b)  Sections 1981 through 1988 of Title 42 of the United States Code;

(c)  The Employee Retirement Income Security Act of 1974, as amended;

(d)  The Vocational Rehabilitation Act of 1973, as amended;

(e)  The Age Discrimination in Employment Act of 1967, as amended;

(f)  The Older Workers Benefit Protection Act of 1990, as amended;

(g)  The Americans with Disabilities Act of 1990, as amended;

(h)  The Pennsylvania Human Relations Act, 43 P.S. sections 951, et. seq.;

(i)  Any other federal, state or local labor, whistleblower, wage and hour or
     human rights law; and

(j)  Any other alleged violation of any local, state or federal law, regulation
     or ordinance and/or public policy, contract, tort or common law having any
     bearing whatsoever on the terms and conditions and/or cessation of your
     employment with the Company which you ever had, now has or may have as of
     the date of execution of this Agreement.

                                       11

<PAGE>

IN WITNESS WHEREOF, this Release has been executed, as of the date written below
by the undersigned in favor of ViroPharma Incorporated.

EMPLOYEE:

_______________________
Claude H. Nash

ACCEPTED:

VIROPHARMA INCORPORATED

By:____________________

Name:__________________

Title:_________________

                                       12

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