Document:

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                                                                    EXHIBIT 10.1

                             STOCK VOTING AGREEMENT

         STOCK VOTING AGREEMENT, dated as of August 2, 2002 (this "AGREEMENT"),
by and between the stockholder whose name and address is set forth on the
signature page hereto ("STOCKHOLDER") and Triangle Pharmaceuticals, Inc., a
Delaware corporation (the "COMPANY").

         WHEREAS, Stockholder owns, as of the date hereof, the number of shares
of the Company's Common Stock, $.001 par value per share (the "COMMON STOCK"),
set forth opposite its name on the signature page hereto (such shares of Common
Stock, together with any shares of Common Stock acquired after the date hereof
and prior to the termination hereof, hereinafter collectively referred to as the
"SHARES");

         WHEREAS, the Board of Directors of the Corporation has, today, amended
the Corporation's 1996 Stock Incentive Plan (the "Plan") to (i) provide for a
one-time increase of 3,000,000 shares of Common Stock available for issuance
under the Plan, and (ii) increase the number of options which may be granted to
any one person in the aggregate per calendar year to 1,500,000, all as set forth
in the amendment attached hereto as Exhibit A (the "PLAN AMENDMENT");

         WHEREAS, the Board of Directors of the Corporation has resolved and
directed that the Plan Amendment shall be subject to approval by the
stockholders of this Corporation at a special meeting to be convened for such
purpose as soon as practicable after the date hereof (the "SPECIAL MEETING");

         WHEREAS, the Stockholder, believing the Plan Amendment to be in the
best interests of the Corporation, wishes to approve the Plan Amendment and to
facilitate its approval by the requisite vote of the holders of Common Stock at
the Special Meeting by entering into this Agreement;

         NOW, THEREFORE, in consideration of the mutual covenants and agreements
herein contained and other good and valuable consideration, and intending to be
legally bound hereby, the parties agree as follows:

         1.       AGREEMENT TO VOTE.

                  1.1 AGREEMENT TO VOTE. Stockholder hereby revokes any and all
previous proxies with respect to the Shares held of record or beneficially by
Stockholder and irrevocably agrees to vote and otherwise act, with respect to
all of the Shares, for (i) the approval of the Plan Amendment and (ii) any other
actions related to (i), and against any proposal or transaction which could
prevent or delay the approval of the Plan Amendment, at the Special Meeting or
any meeting or meetings of the stockholders of the Company, and any adjournment,
postponement or continuation thereof, at which the Plan Amendment or such other
related actions are submitted for the consideration and vote of the stockholders
of the Company. The foregoing shall remain in effect with respect to the Shares
until the termination of this Agreement. Stockholder shall execute such
additional documents as the Company may reasonably request to effectuate the
foregoing.

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                  1.2 PROXY. Stockholder hereby grants to, and appoints Robert
Amundsen, Jr. and R. Andrew Finkle, each of them individually, Stockholder's
irrevocable (until the termination of this Agreement) proxy and attorney-in-fact
(with full power of substitution) to vote the Shares as indicated in Section 1.1
above. Stockholder intends this proxy to be irrevocable (until the termination
of this Agreement) and coupled with an interest and will take such further
action and execute such other instruments as may be necessary to effectuate the
intent of this proxy.

         2.       REPRESENTATIONS  AND WARRANTIES OF STOCKHOLDER.  Stockholder
hereby represents and warrants as follows:

                  2.1 OWNERSHIP OF SHARES. Stockholder is the beneficial owner,
and has sole power to vote and dispose of the Shares. On the date hereof, the
Shares constitute all of the outstanding shares of Common Stock owned of record
or beneficially by Stockholder.

                  2.2 AUTHORITY; BINDING AGREEMENT. Stockholder has the full
legal right, power and authority to enter into and perform all of Stockholder's
obligations under this Agreement. The execution and delivery of this Agreement
by Stockholder will not violate any other agreement to which Stockholder is a
party, including, without limitation, any voting agreement, stockholders'
agreement or voting trust. This Agreement has been duly executed and delivered
by Stockholder and constitutes a legal, valid and binding agreement of
Stockholder, enforceable in accordance with its terms, except as the enforcement
thereof may be limited by bankruptcy, insolvency, reorganization, moratorium and
similar laws now or hereafter in effect affecting creditors' rights and remedies
generally or general principles of equity. Neither the execution and delivery of
this Agreement nor the consummation by Stockholder of the transactions
contemplated hereby will (i) violate, or require any consent, approval or notice
under any provision of any judgment, order, decree, statute, law, rule or
regulation applicable to Stockholder or the Shares or (ii) constitute a
violation of, conflict with or constitute a default under, any contract,
commitment, agreement, understanding, arrangement or other restriction of any
kind to which Stockholder is a party or by which Stockholder is bound.

         3.       COVENANTS OF STOCKHOLDER.

                  3.1 Except as permitted by the terms of this Agreement or in a
manner which would cause the Shares to be voted in accordance with Section 1
hereof, Stockholder hereby covenants and agrees that prior to the termination of
this Agreement, Stockholder shall not, directly or indirectly grant any proxies
or powers of attorney with respect to any Shares, deposit any Shares into a
voting trust or enter into a voting agreement with respect to any Shares, or
take and action that would make any representation or warranty of Stockholder
contained herein untrue or incorrect or would result in breach by Stockholder of
its obligations under this Agreement.

                  3.2 AGREEMENT TO RETAIN SHARES PENDING RECORD DATE. The
Company has established the close of business on Monday, August 5, 2002 as the
record date for the Special Meeting (the "RECORD DATE"). Between the date here
of and the close of business on the day after the Record Date, Stockholder shall
not sell, assign, or transfer, or authorize any brokerage firm or nominee holder
of the Shares to sell, assign, or transfer the Shares.

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         4.       NOTIFICATIONS.  The Stockholder  shall,  while this
Agreement is in effect, notify the Company promptly, but in no event later
than two days, of any shares of Common Stock acquired by Stockholder after
the date hereof or disposed of by Stockholder after the Record Date.

         5.       TERMINATION. This Agreement shall terminate on the earlier
of (i) the day after the date of the Special Meeting and any adjournment,
postponement or continuation thereof, at which the Plan Amendment or such
other related actions are submitted for the consideration and vote of the
stockholders of the Company or (ii) if no such meeting shall have taken place
before such date, on December 31, 2002.

         6.       ACTION IN STOCKHOLDER CAPACITY ONLY. If the Stockholder is
an officer or director of the Company, or if a representative of the
Stockholder is an officer or director of the Company, the Stockholder does
not make any agreement or understanding herein as an officer or director of
the Company; rather, Stockholder signs solely in Stockholder's capacity as a
record holder and beneficial owner of the Shares, and nothing herein shall
limit or affect any actions taken in Stockholder's capacity as an officer or
director of the Company, including without limitation the exercise of such
Stockholder's or representative's duties as an officer or director.

         7.       MISCELLANEOUS.

                  7.1 NOTICES. All notices, requests, claims, demands and
other communications under this Agreement shall be in writing and shall be
delivered personally or by next-day courier or telecopied (with confirmation
of receipt) to the parties at the addresses specified below (or at such other
address for a party as shall be specified by like notice; provided that
notices of a change of address shall be effective only upon receipt thereof).
Any such notice shall be effective upon receipt, if personally delivered or
telecopied or one day after delivery to a courier for next-day delivery.

                  IF TO THE COMPANY:

                           Triangle Pharmaceuticals, Inc.
                           4 University Place
                           4611 University Drive
                           Durham, North Carolina 27707
                           Attn:  R. Andrew Finkle, Esq.
                           Fax Number:  919-402-1192

                  WITH A COPY TO:

                  Smith, Anderson, Blount, Dorsett,
                     Mitchell & Jernigan, L.L.P.
                  2500 First Union Capitol Center
                  Raleigh, North Carolina  27601
                  Attention:   Gerald F. Roach, Esq.
                  Fax Number:  919-821-6800

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                  IF TO STOCKHOLDER:

                  To the address set forth on the signature page hereto.

                  7.2 DEFINITIONS.  For purposes of this Agreement:

                  (a) "beneficially own" with respect to any securities shall
mean having "beneficial ownership" of such securities (as determined pursuant
to Rule 13d-3 of the Exchange Act), including pursuant to any agreement,
arrangement or understanding whether or not in writing. Without duplicative
counting of the same securities by the same holder, securities beneficially
owned by a Person shall include securities beneficially owned by all other
Persons with such Person would constitute a "group" as described in Section
13(d)(3) of the Exchange Act.

                  (b) "Exchange Act" shall mean the Securities Exchange Act of
1934, as amended.

                  (c) "Person" shall mean an individual, corporation,
partnership, joint venture, association, trust, unincorporated organization
or other entity.

                  7.3 ENTIRE AGREEMENT. This Agreement, together with the
documents expressly referred to herein, constitutes the entire agreement and
supersedes all other prior agreements and understandings, both written and
oral, among the parties or any of them, with respect to the subject matter
contained herein.

                  7.4 AMENDMENTS. This Agreement may not be modified,
amended, altered or supplemented except upon the execution and delivery of a
written agreement executed by the parties hereto.

                  7.5 ASSIGNMENT. Neither this Agreement nor any of the
rights, interests or obligations hereunder shall be assigned by any party
hereto without the prior written consent of the other party. This Agreement
shall be binding upon and inure to the benefit of the parties hereto and
their respective personal representatives, successors and permitted assigns;
provided, however, that this Agreement shall not be binding upon any party to
whom the Stockholder transfers or disposes any Shares in a bona fide
transaction.

                  7.6 GOVERNING LAW. This  Agreement,  and all matters
relating  hereto, shall be governed by, and construed in accordance  with the
laws of the State of Delaware, without giving effect to the principles of
conflicts of laws thereof.

                  7.7 INJUNCTIVE RELIEF; JURISDICTION. Stockholder agrees
that irreparable damage would occur and that the Company would not have any
adequate remedy at law in the event that any of the provisions of this
Agreement were not performed in accordance with their specific terms or were
otherwise breached. It is accordingly agreed that the Company shall be
entitled to an injunction or injunctions to prevent breaches by Stockholder
of this Agreement and to enforce specifically the terms and provisions of
this Agreement in any court of the United States located in the State of
North Carolina or in any North Carolina state court (collectively, the
"COURTS"), this being in addition to any other remedy to which the Company
may be entitled at law or in equity. In addition, each of the parties hereto
(i) irrevocably consents to the submission of such

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party to the personal jurisdiction of the Courts in the event that any
dispute arises out of this Agreement or any of the transactions contemplated
hereby, (ii) agrees that such party will not attempt to deny or defeat such
personal jurisdiction by motion or other request for leave from any of the
Courts and (iii) agrees that such party will not bring any action relating to
this Agreement or any of the transactions contemplated hereby in any court
other than the Courts.

                  7.8 COUNTERPARTS. This Agreement may be executed in any
number of counterparts, each of which shall be deemed to be an original and
all of which together shall constitute one and the same document.

                  7.9 SEVERABILITY. Any term or provision of this Agreement
which is invalid or unenforceable in any jurisdiction shall, as to such
jurisdiction, be ineffective to the extent of such invalidity or
unenforceability without rendering invalid or unenforceable the remaining
terms and provisions of this Agreement or affecting the validity or
enforceability of any of the terms or provisions of this Agreement in any
other jurisdiction. If any provision of this Agreement is so broad as to be
unenforceable, such provision shall be interpreted to be only so broad as is
enforceable.

                        [Signatures appear on next page]

                                   * * * * * *

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    /s/ Chris A.Rallis
                                               -----------------------
                                           Name:  Chris A. Rallis
                                           Title: President & COO

STOCKHOLDER: ____________________*

                                           Number of Shares of Common Stock
                                           held by Stockholder:

By: ______________________________         ____________________________
Name:
Title:
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER:  ABBOTT LABORATORIES*

                                           Number of Shares of Common Stock
                                           held by Stockholder:

By:      /s/ Thomas C. Freyman
        -------------------------------    -----------------------------------
Name:    Thomas C. Freyman
Title:   Senior Vice President, Finance
         and Chief Financial Officer
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER:  ANTHONY B. EVNIN*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Anthony B. Evnin
        -------------------------------    -----------------------------------
Name:    Anthony B. Evnin
Title:
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: STANDISH FLEMING*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Standish Fleming
        -------------------------------    -----------------------------------
Name:    Standish Fleming
Title:
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: FLEMING FAMILY TRUST*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Standish Fleming
        -------------------------------    -----------------------------------
Name:    Standish Fleming
Title:   Trustee
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: FLEMING FAMILY CHILDREN'S TRUST*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Standish Fleming
        -------------------------------    -----------------------------------
Name:    Standish Fleming
Title:   Trustee
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: FORWARD II ASSOCIATES, LLC*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Standish Fleming
        -------------------------------    -----------------------------------
Name:    Standish Fleming
Title:   Managing Member
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: FORWARD VENTURES II, LP*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Standish Fleming
        -------------------------------    -----------------------------------
Name:    Standish Fleming
Title:   Managing Member
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: FORWARD VENTURES III, LP*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Standish Fleming
        -------------------------------    -----------------------------------
Name:    Standish Fleming
Title:   Managing Member
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: FORWARD VENTURES IV, LP*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Standish Fleming
        -------------------------------    -----------------------------------
Name:    Standish Fleming
Title:   Managing Member
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: FORWARD VENTURES IV B, LP*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Standish Fleming
        -------------------------------    -----------------------------------
Name:    Standish Fleming
Title:   Managing Member
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: DENNIS GILLINGS*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Dennis Gillings
        -------------------------------    -----------------------------------
Name:    Dennis Gillings
Title:
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: GRABOWSKI ASSOCIATES PENSION PLAN*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Henry Grabowski
        -------------------------------    -----------------------------------
Name:    Henry Grabowski
Title:   Trustee
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: GEORGE MCFADDEN *

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ George McFadden
        -------------------------------    -----------------------------------
Name:    George McFadden
Title:
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: ALEXANDER B. MCFADDEN TRUST*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ George McFadden
        -------------------------------    -----------------------------------
Name:    George McFadden
Title:   Trustee
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: BIJOU TRUST*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ George McFadden
        -------------------------------    -----------------------------------
Name:    George McFadden
Title:   Power of Attorney
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: CAROL MCFADDEN*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ George McFadden
        -------------------------------    -----------------------------------
Name:    George McFadden
Title:   Power of Attorney
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: GEM TRUST*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ George McFadden
        -------------------------------    -----------------------------------
Name:    George McFadden
Title:   Power of Attorney
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: GEORGE & LESLEY MCFADDEN TRUST*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ George McFadden
        -------------------------------    -----------------------------------
Name:    George McFadden
Title:   Trustee
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    _______________________
                                           Name:
                                           Title:

STOCKHOLDER: WILHELMINA JOSEPHINE MCFADDEN TRUST*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ George McFadden
        -------------------------------    -----------------------------------
Name:    George McFadden
Title:   Trustee
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: QFINANCE, INC. *

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ James Bierman
        -------------------------------    -----------------------------------
Name:    James Bierman
Title:   Chief Financial Officer and
         Executive VP
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: CHRIS A. RALLIS*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Chris A. Rallis
        -------------------------------    -----------------------------------
Name:    Chris A. Rallis
Title:
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: THE RALLIS RICHNER FOUNDATION*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Chris A. Rallis
        -------------------------------    -----------------------------------
Name:    Chris A. Rallis
Title:   President
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: VENROCK ASSOCIATES*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Anthony Evnin
        -------------------------------    -----------------------------------
Name:    Anthony Evnin
Title:
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: VENROCK ASSOCIATES II, LP*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Anthony Evnin
        -------------------------------    -----------------------------------
Name:    Anthony Evnin
Title:
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.

<Page>

                   [SIGNATURE PAGE TO STOCK VOTING AGREEMENT]

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the date and year first above written.

                                           TRIANGLE PHARMACEUTICALS, INC.

                                           By:    ________________________
                                           Name:
                                           Title:

STOCKHOLDER: WARBURG PINCUS PRIVATE EQUITY VIII, LP*

                                           Number of Shares of Common Stock held
                                           by Stockholder:

By:      /s/ Jonathan Leff
        -------------------------------    -----------------------------------
Name:    Jonathan Leff
Title:   Partner
Address:
Attention:
Fax Number:

---------
*    Instructions: Each entity or person that is an affiliate of the Stockholder
     which holds stock in the Company must execute a separate signature page.QuickLinks
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Exhibit 10.1  

 
  EMPLOYMENT AGREEMENT    
  

        This Employment Agreement ("Agreement") is entered into effective on April 1, 2002 by and between L. Michael Cutrer, an individual ("Executive), and North
American Scientific, Inc., a Delaware corporation (the "Company"). 

        1.    Employment by the Company and Term.    

        (a)    Position.    Subject to the terms herein, the Company agrees to employ Executive as Chief Executive Officer,
and in such other executive capacities as may be requested from time to time by the Board of Directors of the Company ("Board") or a duly authorized committee thereof, and Executive hereby accepts
such employment. Executive shall render such other services for the Company and entities controlled by, under common control with or controlling, directly or indirectly, the Company, and to successor
entities and assignees of the Company ("Company Affiliates") as the Company may from time to time reasonably request and as shall be consistent with the duties Executive is to perform for the Company
and with Executive's experience. During the term of his employment with the Company, Executive will devote his full time and use his best efforts to advance the business and welfare of the Company,
and will not engage in any other employment or business activities for any direct or indirect remuneration that would be directly harmful or detrimental to, or that may compete with, the business and
affairs of the Company, or that would interfere with his duties hereunder. 

        (b)    Duties.    Executive shall serve in an executive capacity and shall perform such duties as are customarily
associated with his position, consistent with the Bylaws of the Company and as reasonably required by the Board. 

        (c)    Company Policies.    The employment relationship between the parties shall be governed by the general
employment policies and practices of the Company, including but not limited to those relating to
protection of confidential information and assignment of inventions, except that when the terms of this Agreement differ from or are in conflict with the Company's general employment policies or
practices, this Agreement shall control. 

        (d)    Term.    

        (i)    This
Agreement will commence on the Effective Date and will continue for a period of three years unless extended as described elsewhere in this Section 1(d) or
earlier terminated as provided in Section 6 below ("Term"). 

        (ii)  On
each anniversary of the Effective Date, the Term shall be extended for one year, unless either party provides written notice to the other party not less than
90 days prior to the then upcoming anniversary of the Effective Date. If such notice if provided, then the Agreement shall remain in full force and effect through the remainder of the then
existing Term. 

        (iii)  The
Executive acknowledges that certain provisions of this Agreement, including without limitation Sections 7, 8 and 9, survive termination of employment and
termination of this Agreement. 

        (iv)  In
the event of a termination pursuant to 1(d)(ii) above, the Company may modify Executive's duties or relieve Executive of any or all duties for all or part of
the period between such notice and the end of the Term, so long as the Company continues to provide the compensation described below. 

1

 

        2.    Compensation and Benefits.    

        (a)    Salary.    Effective November 1, 2001, Executive shall receive for services rendered hereunder a salary
at a rate in the gross amount of Three Hundred Two Thousand dollars ($302,000) per annum payable in accordance with Company's policies and practices for payment of salary to salaried employees (the
"Base Salary"). The Base Salary will be reviewed by and shall be subject to adjustment at the sole discretion of the Company's Compensation Committee each fiscal year during the term of Executive's
employment; provided however that at a minimum Base Salary shall be adjusted each fiscal year in an amount equal to the change during the preceding twelve (12) months in the Consumer Price
Index for All Urban Consumers (CPI-U), U.S. city average. The initial salary review will be conducted no later than twelve (12) months after the date of this Agreement and on an
annual basis thereafter. 

        (b)    Participation in Benefits Plans.    During the term hereof, Executive shall be entitled to participate in any
group insurance, hospitalization, medical, dental, health, accident, disability or similar plan or program of the Company now existing or established hereafter to the extent that he is eligible under
the general provisions thereof. The Company may terminate or modify any such benefit plan or program, provided that to the extent reasonably possible, the Company shall not terminate such benefits
without providing Executive a minimum of 30 days notice of the termination of such benefits as described herein. Executive shall also participate in all fringe benefits offered generally by the
Company to its executives. 

        (c)    Vacation.    Executive shall be entitled to a period of annual vacation time equal to five (5) weeks per
twelve month period, to accrue pro rata during the course of each such twelve month period. The days selected for Executive's vacation must be mutually
and reasonably agreeable to Company and Executive. In no event shall Executive's total accrued vacation exceed seven (7) weeks. Whenever Executive's total accrued vacation has reached the
maximum of seven (7) weeks, Executive will stop accruing any further vacation and will only resume accruing vacation when and to the extent the Executive's total accrued vacation is reduced
below the maximum of seven (7) weeks. 

        (d)    Deductions.    All compensation to be paid to Executive under this Agreement or otherwise shall be subject to
such deductions as authorized or required by law. 

        3.    Bonuses.    

        (a)    Annual Bonuses.    Through the Agreement's Termination Date (as defined in Section 6 below), Executive
will be eligible to receive a bonus (the "Annual Bonus"). Executive will be deemed to have earned his bonus in full on October 31, of the Company's fiscal year with respect to which the bonus
is determined (the "Measuring Year"), regardless of the date of determination or payment of the bonus. The amount of the bonus will be determined pursuant to the terms of this Agreement by the Board
on or about the January 15 following the last day of the Measuring Year. The Annual Bonus will be based on performance goals and approved by the Board and established by the Board in
consultation with the CEO and the Executive ("Performance Goals"). The Executive shall be entitled to an Annual Bonus of not less than 25% of his Base Salary if the Company and Executive meet or
exceed the Performance Goals established for the pertinent Measuring Year. 

        (b)    Other Bonus Plans.    From time to time, the Board may, in its discretion, institute supplementary bonus plans
or stock option plans, for which Executive may be eligible. The terms of such benefits shall be determined by the applicable plan. 

        4.    Stock Options.    The Company may grant Executive certain incentive and non-qualified stock options
("Options") in accordance with the Company's annual stock option grants. 

2

 

        5.    Reasonable Business Expenses and Support.    Executive shall be reimbursed for documented and reasonable
business expenses in connection with the performance of his duties hereunder. Executive shall be furnished reasonable office space, assistance and facilities suitable to and appropriate for his
position and responsibilities. 

        6.    Termination of Employment.    The date on which Executive's employment by the Company ceases, under any of the
following circumstances, shall be defined herein as the "Termination Date." 

        (a)    Termination for Cause.    

        (i)    Termination; Payment of Accrued Salary and Vacation.    The Board may terminate Executive's employment with the
Company at any time for Cause, immediately upon notice to Executive of the circumstances leading to such termination for Cause. In the event the Executive's employment is terminated for Cause,
Executive shall receive payment for all accrued salary and vacation time through the Termination Date, which in this event shall be the date upon which notice of termination is given. The Company
shall have no further obligation to pay severance of any kind whether under this Agreement or otherwise. 

        (ii)    Definition of Cause.    "Cause" means the occurrence or existence of any of the following with respect to
Executive, as determined by a majority of the disinterested directors of the Board: (a) continued failure to substantially perform of Executive's duties or responsibilities as determined by the
Company's Board, provided that the Company has given Executive written notice specifying the basis upon which the Company determined that Executive's duties or responsibilities were not substantially
performed, which remains uncorrected by the Executive after the lapse of 30 days following receipt of the written notice; (b) a material breach by Executive of any of his material
obligations hereunder which remains uncured after the lapse of 30 days following the date that the Company has given Executive written notice thereof; (c) a material breach by the
Executive of his duty not to engage in any transaction that represents, directly or indirectly, self-dealing with the Company or any of its Affiliates which has not been approved by a
majority of the disinterested directors of the Board or of the terms of his employment, if in any such case such material breach remains uncured after the lapse of 30 days following the date
that the Company has given the Executive written notice thereof; (d) the repeated material breach by the Executive of any material duty referred to in clause (b) or (c) above as
to which at least one (1) written notice has been given pursuant to such clause (b) or (c); (e) any act of misappropriation, embezzlement, intentional fraud or similar conduct
involving the Company or any of its Affiliates; (f) the violation of any federal, state or local law or any act of moral turpitude which has a material adverse impact on the business,
reputation or operation of the Company or on Executive's ability to perform his duties under this Agreement; (g) intentional infliction of any damage of a material nature to any property of the
Company or any of its Affiliates; or (h) the repeated non-prescription abuse of any controlled substance or the repeated abuse of alcohol or any other non-controlled
substance which, in any case described in this clause, the Board reasonably determines has a material adverse impact on the Executive's ability to serve in his capacity as an officer or employee of
the Company or it Affiliates. 

        (b)    Control Termination.    The term "Control Termination" shall mean: (i) a termination of this Agreement
and Executive's employment by the Company or the Executive immediately prior to or concurrent with a Change of Control (as defined below) if Executive is not employed by the successor entity after
such Change in Control; or (ii) resignation by the Executive within 90 days after a "Change of Control" of the Company upon the occurrence of any of the following events: 

        (A)  a
significant change in the nature or scope of Executive's authority or duties or a reduction in Executive's total compensation package from that provided by the Company
immediately prior to the Change in Control; or 

3

 

        (B)  the
requirement that Executive relocate his residence outside the Los Angeles, California metropolitan area. 

        In
the event of a Control Termination, Executive will be entitled to a "Severance Payment" in the gross amount equal to the total of: (w) three (3) years' Base Salary;
(x) the highest Annual Bonus paid to Executive in the three years prior to such termination multiplied by three (3); (y) the Black/Scholes valuation of the options received by Executive
during the one year prior to such termination multiplied by three (3); and (z) an amount calculated by the Company's outside accountants in their reasonable discretion equal to any excise tax
which would be owed by Executive under Section 280G of the Internal Revenue Code with respect to the amounts to be paid pursuant to subsections (w), (x) and (y) of the Severance
Payment. The Severance Payment shall be paid, in the sole discretion of the Company, in a lump sum within 30 days of the date of the Control Termination or as salary continuation ratably over a
one year period. In addition, any unvested Options granted under Section 4 of this Agreement or that may hereafter be granted to Executive shall immediately vest as of the Termination Date. 

        The
term "Change of Control" shall mean a change in control of the Company of a nature that would be required to be reported in response to Item 6(e) of Schedule 14A of
Regulation 14A promulgated under the Securities and Exchange Act of 1934 (the "Act") or, if Item 6(e) is no longer in effect, any regulations issued by the Securities and Exchange Commission
pursuant to the Act which serve similar purposes; provided that, without limitation, 

        (i)    such
a change in control shall be deemed to have occurred if and when either (A) except as provided in (ii) below, any "person" (as such term is used in
Sections 13(d) and 14(d) of the Act) is or becomes a "beneficial owner" (as such term is defined in Rule 13d-3 promulgated under the Act), directly or indirectly, of securities of
the Company representing 50% or more of the combined voting power of the Company's then outstanding securities entitled to vote with respect to the election of its Board of Directors, or (B) as
the result of the foregoing transaction or events, individuals who were members of
the Board immediately prior to any such transaction or event shall not constitute a majority of the Board of Directors following such transaction or event, and 

        (ii)  no
Change in Control shall be deemed to have occurred if and when: (A) any such change is the result of a transaction which constitutes a
"Rule 13e-3 transaction" as such term is defined in Rule 13e-3 promulgated under the Act; or (B) the transaction resulting in such change in control is
approved by a majority of the members of the Board immediately prior to such change in control. 

        (c)    Termination Upon Disability.    The Company may terminate Executive's employment in the event Executive suffers
a disability that renders Executive unable to perform the essential functions of his position, even with reasonable accommodation, as defined by the Company's then existing disability insurance
policy. After the Termination Date, which in this event shall be the date upon which notice of termination is given, the Executive shall receive the accrued portion of any salary, vacation and bonus
hereunder through the Termination Date, less standard withholdings for tax and social security purposes, payable, in the case of a bonus, upon such date or over such period of time which is in
accordance with the applicable bonus plan. In addition, any outstanding unvested Options granted to Executive shall immediately vest as of the date of the Termination. 

        (d)    Termination Without Cause.    The Company may terminate Executive's employment at any time for other than
Cause, death or disability, pursuant to the following termination payment requirements. 

        (i)    In
the event that Executive's employment is terminated by the Company other than pursuant to Sections 6(a), (b) or (c) above, the Company shall pay
Executive a severance of 

4

 

an amount equal to three (3) years of his then Base Salary, less standard withholding for tax and social security purposes, payable in the sole discretion of the Company, in a lump sum within
30 days of the date of the Termination or as salary continuation over a three (3) year period, plus the accrued portion of any vacation and bonus through the Termination Date, less
standard withholdings for tax and social security purposes, payable, in the case of a bonus, upon such date or over such period of time which is in accordance with the applicable bonus plan. In
addition, any unvested Options granted to Executive shall immediately vest as of the date of the Termination. 

        (ii)  The
Company shall not be obligated to pay any termination payments under Section 6(d)(i) above if Executive breaches the provisions of Sections 7, 8 or 9
below and, the event of a violation of such provisions by Executive, Executive shall be obligated to repay to the Company any amounts already paid under Section 6(d)(i) above. 

        (e)    Benefits Upon Termination.    All benefits provided under paragraph 2(b) hereof shall be extended, at
Executive's election, to the extent permitted by the Company's then existing insurance policies and benefit plans, for one year after Executive's Termination Date, except (a) as required by law
(e.g.,
COBRA health insurance continuation election) or (b) in the event of a termination described in paragraph 6(a), (g) or (h). 

        (f)    Termination Upon Death.    If Executive dies prior to the expiration of the term of this Agreement, the Company
shall (i) to the extent permitted by the then existing benefit plan or policies, continue coverage of Executive's dependents (if any) under all benefit plans or programs of the type listed
above in paragraph 2(b) herein in which they participate for a period of six (6) months, (ii) pay to Executive's estate the accrued portion of any salary, vacation and bonus
through the Termination Date, less standard withholdings for tax and social security purposes, payable, in the case of a bonus, upon such date or over such period of time which is in accordance with
the applicable bonus plan, (iii) pay to Executive's estate a lump sum payment equal to the annual Base Salary in effect at the time of death, and (iv) accelerate the vesting of any then
unvested options held by Executive to the date of death. 

        (g)    Voluntary Termination.    Executive shall have the right to terminate his employment with the Company at any
time by providing not less than [30] days prior written notice of such termination. A voluntary termination shall mean a termination of employment by Executive at his own
initiative, other than a termination due to death, disability or Good Reason, or a Control Termination, and shall have the same consequences as provided in Section 6(a) for termination for
Cause. As used herein, a termination due to "Good Reason" shall mean a termination of the employment relationship by Executive after an unwarranted material diminution by the Company in Executive's
position or responsibilities without Executive's consent, provided that within 60 days of any such alleged diminution, Executive provides the Company with written notice of the basis for his
claim that he has Good Reason to terminate his employment and a period of at least 10 days to cure. A termination by Executive due to Good Reason shall be handled in accordance with Sections
6(d) and (h). 

        (h)    Release of Claims.    The payment of any severance payments or benefits under this Agreement shall be subject
to Executive signing an agreement reconfirming his post-employment obligations contained in this Agreement and releasing the Company and all related parties from any claims, such agreement
to be prepared by the Company or its designee. 

        7.    Proprietary Information Obligations.    

        During
the term of employment under the Agreement, Executive will have access to and become acquainted with the Company's and the Company Affiliates' confidential and proprietary
information, including, but not limited to, information or plans regarding the Company's and Company Affiliates' 

5

 

customer relationships; personnel, sales, marketing, and financial operations and methods; trade secrets; business plans; research and development; formulas; devices; secret inventions; processes;
and other compilations of information, records, and specifications (collectively "Proprietary Information"). Executive shall not disclose any of the Company's or the Company's Affiliates' Proprietary
Information directly or indirectly, or use it in any way, either during the term of this Agreement or at any time thereafter, except as require in the course of his employment for the Company or as
authorized in
writing by the Company. All files, records, documents, computer-recorded information, drawings, specifications, equipment and similar items relating to the business of the Company or the Company's
Affiliates, whether prepared by Executive or otherwise coming into his possession, shall remain the exclusive property of the Company or the Company's Affiliates, as the case may be, and shall not be
removed from the premises of the Company under any circumstances whatsoever without the prior written consent of the Company, except when (and only for the period) necessary to carry out Executive's
duties hereunder, and if removed shall be immediately returned to the Company upon any termination of his employment or at any other time that the Company may request; provided, however, that
Executive may retain copies of documents reasonably available to the Company's shareholders generally and any documents that were personally owned, which copies and the information contained therein
Executive agrees not to use for any business purpose. Notwithstanding the foregoing, Proprietary Information shall not include (i) information which is or becomes generally public knowledge
except through disclosure by the Executive in violation of this Agreement or the wrongful act of any third party, and (ii) information that may be required to be disclosed by applicable law. 

        8.    Non-Solicitation.    From the Execution Date of this Agreement through the date one year after the
Termination Date, Executive will not on his own behalf or on behalf of an other person or entity, without the express written consent of the Board, solicit or attempt to solicit, induce or encourage
any then current employee, customer, business relation, service provider or representative of the Company to terminate or modify his, her or its employment or business relationship with the Company. 

        9.    Inventions.    Executive will, during the period of his employment, disclose to the Company promptly and fully
all Inventions made or conceived by the Executive (either solely or jointly with others), including but not limited to Inventions which relate to the business of the Company or Company Affiliates or
the Company's or the Company Affiliates' actual or anticipate research or development, or result from work performed by him for the Company or the Company Affiliates. All Inventions and all records
related to Inventions, whether or not patentable, shall be and remain the sole and exclusive property of the Company. "Inventions" means all inventions, discoveries, processes, improvements, designs,
developments, and ideas, and all know-how related thereto. Executive hereby assigns and agrees to assign to the Company or its designee all of his rights to Inventions and any patents,
trademarks, or copyrights which may be issued with respect to Inventions. Executive further acknowledges that all work shall be work made for hire. During and after the term of this Agreement,
Executive agrees to assist the Company, without charge to the Company but at its request and expense, to obtain and retain rights in Inventions, and will execute all appropriate related documents at
the request of the Company or its designee. 

        Executive
understands that this Paragraph 9 shall not apply to any invention for which no equipment, supplies, facilities, trade secret, or other confidential information of the
Company or Company Affiliates was used and which was developed entirely on his own time, and does not relate to the business of the Company or Company Affiliates, its actual or anticipated research,
and does not result from any work performed by him for the Company or Company Affiliates. 

        10.    Miscellaneous.    

        (a)    Notices.    Any notices provided hereunder must be in writing and shall be deemed effective upon the earlier of
immediately upon personal delivery (including personal delivery by 

6

 

reputable delivery service, telecopy or telex), or the fourth day after mailing by first class mail to the recipient at the address indicated below: 

To
the Company:

North American Scientific, Inc

20200 Sunburst Street

Chatsworth, CA 91311

Attn: Board of Directors

Telecopier No:          

To Executive:

L. Michael Cutrer

9507 Hunt Club Lane

Chatsworth, CA 91311

Telecopier No:            

or
to such address or to the attention of such other person as the recipient party will have specified by prior written notice to the sending party. 

        (b)    Severability.    Any provision of this Agreement which is deemed invalid, illegal or unenforceable in any
jurisdiction shall, as to that jurisdiction and subject to this paragraph be ineffective to the extent of such invalidity, illegality or unenforceability, without affecting in any way the remaining
provisions hereof in such jurisdiction or rendering that or any other provisions of this Agreement invalid, illegal, or unenforceable because its scope is considered excessive, such covenant shall be
modified so that the scope of the covenant is reduced only to the minimum extent necessary to render the modified covenant valid, legal and enforceable. 

        (c)    Entire Agreement.    This document constitutes the final, complete, and exclusive embodiment of the entire
agreement and understanding between the parties related to the subject matter hereof and supersedes and preempts any prior or contemporaneous understandings, agreements, or representations by or
between the parties, written or oral. 

        (d)    Counterparts.    This Agreement may be executed on separate counterparts, any one of which need not contain
signatures of more than one party, but all of which taken together will constitute one and the same agreement. 

        (e)    Successors and Assigns.    This Agreement is intended to bind and inure to the benefit of and be enforceable by
Executive and the Company, and their respective successors and assigns, except that Executive may not assign any of his duties hereunder and he may not assign any of his rights hereunder without the
prior written consent of the Board. 

        (f)    Amendments.    No amendments or other modifications to this Agreement may be made except by writing and signed
by both parties. No amendment or waiver of this Agreement requires the consent of any individual, partnership, corporation or other entity not a party to this Agreement. Nothing in this Agreement,
express or implied, is intended to confer upon any third person any rights or remedies under or by reason of this Agreement. 

        (g)    Choice of Law.    All questions concerning the construction, validity and interpretation of this Agreement will
be governed by the laws of the State of California without giving effect to principles of conflicts of law. 

7

 

        IN
WITNESS WHEREOF, the parties have executed this Agreement effective as of the date it is last executed below by either party. 

	NORTH AMERICAN SCIENTIFIC, INC.	 	 	 
	

By:	

                
Chairman	
 	

                
 L. MICHAEL CUTRER
	

Date:	

 	
 	

Date:	

 
	 	
	 	 	

8

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