Document:

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                                                                    EXHIBIT 10.2

                              MANAGEMENT AGREEMENT

BETWEEN:

            BIOSOURCE EUROPE S.A., having its registered seat Rue de
            l'Industrie, 8, 1400 Nivelles, Belgium, here represented by Mr/Ms
            Kevin Reagan, acting in the capacity of Director,

            hereafter referred to as "BIOSOURCE",

AND:

            VITA B.V.B.A., having its registered seat at Steentjeblok 15, 2440
            Geel, Belgium, here represented by Jozef Vangenechten, in his
            capacity of Zaakvoerder,

            hereafter referred to as "VITA",

Hereinafter jointly referred to as "THE PARTIES"

WHEREAS, BIOSOURCE is the wholly-owned subsidiary of BioSource International,
Inc., a U.S. corporation that manufactures, markets and distributes products
used worldwide in biomedical research. Any reference to BIOSOURCE herein shall
also refer to its Board of Directors;

WHEREAS, VITA possesses the necessary qualifications and experience to assist
BIOSOURCE in its management tasks;

WHEREAS the Parties have agreed to conclude a Management Agreement on this
subject matter and have negotiated the arrangements thereof.

NOW THEREFORE IT IS AGREED AS FOLLOWS:

ARTICLE 1 : ENGAGEMENT, DUTIES & RESPONSIBILITIES

1.   The Parties enter into this Management Agreement (the "Agreement")
     effective as of April 1, 2004.

2.   The Parties recognise that the principle of independence constitutes a
     substantial element of this Agreement in the absence of which this
     Agreement would not have been concluded.

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3.   For the purposes of this Agreement and the services performed hereunder,
     VITA is acting as an independent contractor, which duties and
     responsibilities shall relate to the management, oversight and direction of
     the business and affairs of BIOSOURCE, subject in each case to the
     supervision of the Board of Directors of BIOSOURCE (the "Services").
     Without limiting any portion of the foregoing, the Services shall include
     those duties and services reasonably requested of VITA by the Board of
     Directors of BIOSOURCE from time to time.

     VITA shall determine itself how to carry out its tasks and shall receive no
     direct instructions regarding how the work should be organized, except for
     the general guidelines justified by the necessities of the collaboration
     between the Parties. VITA shall render a written report of its activities
     at the intervals and in accordance with the procedure laid down by
     BIOSOURCE or when the Parties consider this to be necessary for the
     monitoring of the proper performance of the duties incumbent upon the
     Parties. However, VITA shall not be required to justify itself with regard
     to the time spent, methods of work or the organization of its work.

4.   In the accomplishment of its tasks, VITA shall be bound by an obligation to
     achieve the particular results set forth by the Board of Directors of
     BIOSOURCE from time to time.

5.   VITA shall carry out its duties in an independent, proper, loyal and
     efficient manner, in accordance with the terms of the present Agreement.
     However, VITA shall be entitled to refuse to execute certain unreasonable
     requests provided that it informs BIOSOURCE in writing within 5 business
     days.

6.   The Services under this Agreement shall be performed in a professional and
     workmanlike manner and in accordance with industry practices and standards
     generally applicable for such services. VITA shall operate within
     BIOSOURCE's policies and guidelines relating to health, safety, security
     and IT security.

7.   VITA shall comply with all the tax, social security and legal formalities
     and obligations, which are applicable to independent contractors. BIOSOURCE
     cannot be held liable for any non-compliance with those regulations. VITA
     shall indemnify and hold BIOSOURCE harmless against any and all possible
     claims, including, without limitation, reasonable attorneys' fees and
     costs, fines and late payment interest, based on or related to any matters
     involving or arising from VITA's tax, social security and legal formalities
     and obligations.

8.   VITA is free to hire, on its own behalf, for its own account, at its own
     expense and under its sole responsibility, the personnel it considers
     necessary and professionally capable in order to assist it in the
     performance of this Agreement (the "Personnel"). It is well understood that
     the Personnel do not have any contractual relationship with BIOSOURCE and
     do not act in any relation of subordination

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     towards BIOSOURCE in the execution of the Services under this Agreement.
     Notwithstanding the foregoing, following the effective date of this
     agreement, VITA shall provide written notice to BIOSOURCE at least thirty
     (30) days prior to engaging or otherwise employing any Personnel hereunder.
     In the event that BioSource provides written notice to VITA within such
     thirty (30) day period of its objection to the engagement or employment of
     any such Personnel for any reason (which objection may be made in the sole
     and absolute discretion of BIOSOURCE), then VITA shall not be permitted to
     engage or otherwise employ such Personnel.

9.   VITA shall act in accordance with the laws and regulations applicable to
     the employment of the Personnel for the performance of the Services under
     this Agreement. VITA shall indemnify and hold BIOSOURCE harmless against
     any and all possible claims, including, without limitation, reasonable
     attorneys' fees and costs, fines and late payment interest, based on or
     related to any matters involving or arising from VITA's Personnel,
     including, without limitation, the non- or late payment of taxes or social
     security charges.

ARTICLE 2: DURATION

Subject to the provisions of Article 9 hereof, this Agreement is concluded for
an indefinite term and shall commence April 1, 2004.

ARTICLE 3: CHARGE OF WORK

The Parties expect the Services to be rendered to take up approximately one week
per month.

ARTICLE 4: NON-COMPETITION AND NON-SOLICITATION

1.   Non-solicitation, Non-interference and Non-competition. During the term of
     this Agreement and for a period of two years thereafter, VITA shall not (a)
     induce or attempt to induce any employee of BIOSOURCE to leave the employ
     of BIOSOURCE or in any way interfere adversely with the relationship
     between any such employee and BIOSOURCE, (b) induce or attempt to induce
     any employee of BIOSOURCE to work for, render services or provide advice to
     or supply confidential business information or trade secrets of BIOSOURCE
     to any third person, firm or corporation, or (c) induce or attempt to
     induce any customer,

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     supplier, licensee, licensor or other business relation of BIOSOURCE to
     cease doing business with BIOSOURCE or in any way interfere with the
     relationship between any such customer, supplier, licensee, licensor or
     other business relation and BIOSOURCE, or carry on or be engaged, concerned
     or interested in any business or any company, firm, person or association
     competing either directly or indirectly with any business carried on by
     BIOSOURCE or by affiliated companies, with which it is concerned during the
     period of the performance of this Agreement.

2.   Indirect Solicitation. VITA agrees that, during the term of this Agreement
     and the period covered by Section 1 of Article 4 above, it will not,
     directly or indirectly, assist or encourage any other person in carrying
     out, directly or indirectly, any activity that would be prohibited by the
     provisions of Section 1 of Article 4 above if such activity were carried
     out by VITA, either directly or indirectly; and, in particular, VITA agrees
     that it will not, directly or indirectly, induce any employee of BIOSOURCE
     to carry out, directly or indirectly, any such activity.

BIOSOURCE acknowledges that VITA preserves the right to perform other acts or
missions, which are not in conflict and/or competing with the business for which
it acts under this Agreement. VITA shall indemnify and hold BIOSOURCE harmless
against any and all possible claims, including, without limitation, reasonable
attorneys' fees and costs, fines and late payment interest, based on or related
to any matters involving or arising from VITA's performance of any such acts or
missions and/or any and all actions taken by VITA and/or anyone for whom VITA is
liable, including, without limitation, any and all employees, officers,
directors, consultants and agents of VITA, in connection therewith.

ARTICLE 5: MISREPRESENTATION

VITA shall not at any time knowingly make an untrue statement in relation to
BIOSOURCE and in particular shall not after the termination of this Agreement
wrongfully represent itself as being connected with the firm.

ARTICLE 6: PROPRIETARY RIGHTS, DISCOVERIES AND INVENTIONS

1.   Disclosure. VITA will promptly disclose in writing to BIOSOURCE complete
     information concerning each and every invention, discovery, improvement,
     device, design, apparatus, practice, process, method, product or work of
     authorship, whether patentable or not, made, developed, perfected, devised,
     conceived or first reduced to practice by VITA, whether or not during
     regular working hours (hereinafter referred to as "DEVELOPMENTS"), either
     solely or in collaboration with others, (a) prior to the term of this
     Agreement while working for BIOSOURCE, (b) during the term of this
     Agreement or (c) within six months after the term of this

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     Agreement, if relating either directly or indirectly to the business,
     products, practices, techniques or confidential information of BIOSOURCE.

2.   Assignment. VITA, to the extent that it has the legal right to do so,
     hereby acknowledges that any and all Developments are the property of
     BIOSOURCE and hereby assigns and agrees to assign to BIOSOURCE any and all
     of VITA's right, title and interest in and to any and all of such
     Developments.

3.   Assistance of VITA. Upon request and without further compensation
     therefore, but at no expense to VITA, and whether during the term of this
     Agreement or thereafter, VITA will do all reasonable lawful acts,
     including, but not limited to, the execution of papers and lawful oaths and
     the giving of testimony, that, in the reasonable opinion of BIOSOURCE, its
     successors and assigns, may be necessary or desirable in obtaining,
     sustaining, reissuing, extending and enforcing United States and foreign
     Letters Patent, including, but not limited to, design patents, on any and
     all Developments and for perfecting, affirming and recording BIOSOURCE's
     complete ownership and title thereto, and VITA will otherwise reasonably
     cooperate in all proceedings and matters relating thereto.

4.   Records. VITA will keep complete and accurate accounts, notes, data and
     records of all Developments in the manner and form requested by BIOSOURCE.
     Such accounts, notes, data and records shall be the property of BIOSOURCE,
     and, upon request by BIOSOURCE, VITA will promptly surrender the same to it
     or, if not previously surrendered upon its request or otherwise, VITA will
     surrender the same, and all copies thereof, to BIOSOURCE upon the
     conclusion of its engagement.

5.   Obligations, Restrictions and Limitations. VITA understands that BIOSOURCE
     may enter into agreements or arrangements with agencies of the United
     States Government and that BIOSOURCE may be subject to laws and regulations
     which impose obligations, restrictions and limitations on it with respect
     to inventions and patents which may be acquired by it or which may be
     conceived or developed by employees, consultants or other agents rendering
     services to it. VITA agrees that it shall be bound by all such obligations,
     restrictions and limitations applicable to any such invention conceived or
     developed by him during the term of this Agreement and shall take any and
     all further action which may be required to discharge such obligations and
     to comply with such restrictions and limitations.

ARTICLE 7 : CONFIDENTIALITY AND NON-DISCLOSURE

1.   Industrial Property Rights. For the purpose of this Agreement, "INDUSTRIAL
     PROPERTY RIGHTS" shall mean all of BIOSOURCE's patents, trademarks, trade
     names, inventions, copyrights, know-how or trade secrets, formulas and
     science, now in existence or hereafter developed or acquired by BIOSOURCE
     or for its use,

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     relating to any and all products and services which are developed,
     formulated and/or manufactured by BIOSOURCE.

2.   Trade Secrets. For the purpose of this Agreement, "TRADE SECRETS" shall
     mean any formula, pattern, device, or compilation of information that is
     used in BIOSOURCE's business and gives BIOSOURCE an opportunity to obtain
     an advantage over its competitors who do not know and/or do not use it.
     This term includes, but is not limited to, information relating to the
     marketing of BIOSOURCE's products and services, including price lists,
     pricing information, customer lists, customer names, the particular needs
     of customers, information relating to their desirability as customers,
     financial information, intangible property and other such information which
     is not in the public domain.

3.   Technical Data. For the purpose of this Agreement, "TECHNICAL DATA" shall
     mean all information of BIOSOURCE in written, graphic or tangible form
     relating to any and all products which are developed, formulated and/or
     manufactured by BIOSOURCE, as such information exists as of the Effective
     Date or is developed by BIOSOURCE during the term hereof.

4.   Proprietary Information. For the purpose of this Agreement, "PROPRIETARY
     INFORMATION" shall mean all of BIOSOURCE's Industrial Property Rights,
     Trade Secrets and Technical Data. Proprietary Information shall not include
     any information which (i) was lawfully in the possession of VITA prior to
     VITA's engagement with BIOSOURCE, (ii) may be obtained by a reasonably
     diligent businessperson from readily available and public sources of
     information, (iii) is lawfully disclosed to VITA after termination of
     VITA's engagement by a third party which does not have an obligation to
     BIOSOURCE to keep such information confidential, or (iv) is independently
     developed by VITA after termination of VITA's engagement without utilizing
     any of BIOSOURCE's Proprietary Information.

5.   Agreement Not To Copy Or Use. VITA agrees, at any time during the term of
     its engagement and for a period of five years thereafter, not to copy, use
     or disclose (except as required by law after first notifying BIOSOURCE and
     giving it an opportunity to object) any Proprietary Information without
     BIOSOURCE's prior written permission. BIOSOURCE may withhold such
     permission as a matter within its sole discretion during the term of this
     Agreement and thereafter.

6.   Return of Corporate Property and Trade Secrets. Upon any termination of
     this Agreement, VITA shall turn over to BIOSOURCE all property, writings or
     documents then in its possession or custody belonging to or relating to the
     affairs of BIOSOURCE or comprising or relating to any Proprietary
     Information.

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ARTICLE 8: FEES

As compensation for the Services provided under this Agreement, BIOSOURCE shall
pay VITA a service fee (the "Service Fee"). The Service Fee shall be paid by
BIOSOURCE to VITA, or its designee, to an account specified in writing by VITA.
The Parties acknowledge and agree that the Service Fee shall not exceed EUR One
Hundred Two Thousand Seven Hundred (EUR 102,700) in any calendar year, provided,
however, the Service Fee shall be subject to review by mutual consent on an
annual basis.

VITA shall issue monthly invoices to BIOSOURCE covering the Services performed
during the foregoing month. Payment shall be made within thirty (30) days from
the receipt of invoice. Each sum, which will not have been paid to VITA on the
expiry date, will, legally and without proof of default, give rise to a late
interest equal to the legal interest.

All expenses incurred by VITA in relation with the execution of this Agreement
are included in the fee as defined above under the present Article, except for
business travel expenses in accordance with the then current BIOSOURCE Business
Travel Expense Policy to the extent that such Policy exists for third parties
suppliers or consultants, which BIOSOURCE will reimburse if supported by
documentary evidence.

ARTICLE 9 : TERM/TERMINATION

Each party shall have the right to terminate this Agreement "without cause" at
any time and for any reason with a notice period of thirty (30) days or an
indemnity in lieu thereof, or with immediate effect in accordance with the
provisions of the following paragraphs.

BIOSOURCE may terminate this Agreement "for cause" with immediate effect and
without notice or indemnity, in the event that:

      1.    VITA and/or anyone for whom VITA is liable, including, without
            limitation, any and all employees, officers, directors, consultants
            and agents of VITA, partake in or are otherwise involved in any
            dishonest, fraudulent, criminal, malicious or materially negligent
            act or omission (whether during or outside the course of the
            Services) in such a way that in the reasonable opinion of BIOSOURCE
            the performance of the Agreement will be affected prejudicially; or

      2.    VITA, and/or anyone for whom VITA is liable, including, without
            limitation, any and all employees, officers, directors, consultants
            and agents of VITA, materially breach any provision of this
            Agreement; or

      3.    VITA engages or otherwise employs any Personnel objected to by
            BIOSOURCE pursuant to Section 8 of Article 1 above.

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      4.    VITA becomes or is declared bankrupt or insolvent or enters into
            liquidation or is subject to any proceeding relating to its
            bankruptcy or insolvency, but without prejudice to any subsisting
            rights of either party against the other; or

      5.    VITA is unable to provide the Services during an uninterrupted
            period of three (3) months; or

      6.    VITA is in breach of BIOSOURCE's health, safety, security or IT
            security policies and guidelines.

Without prejudice to either party's rights to claim damages for a termination
due to the other party's default, BIOSOURCE shall, in the case of termination
for whatever reason, pay VITA for all work properly performed to BIOSOURCE's
satisfaction up to the date of termination.

ARTICLE 10 : MISCELLANEOUS

      1.    Injunctive Relief. VITA hereby recognizes, acknowledges and agrees
            that in the event of any breach by VITA of any of its covenants,
            agreements, duties or obligations contained in Articles 4, 5, 6 and
            7 of this Agreement, BIOSOURCE would suffer great and irreparable
            harm, injury and damage, BIOSOURCE would encounter extreme
            difficulty in attempting to prove the actual amount of damages
            suffered by BIOSOURCE as a result of such breach, and BIOSOURCE
            would not be reasonably or adequately compensated in damages in any
            action at law. VITA therefore covenants and agrees that, in addition
            to any other remedy BIOSOURCE may have hereunder, at law, in equity,
            by statute or otherwise, in the event of any breach by VITA of any
            of its covenants, agreements, duties or obligations contained in
            Articles 4, 5, 6 and 7 of this Agreement, BIOSOURCE shall be
            entitled to seek and receive temporary, preliminary and permanent
            injunctive and other equitable relief from any court of competent
            jurisdiction to enforce any of the rights of BIOSOURCE, or any of
            the covenants, agreements, duties or obligations of VITA hereunder,
            and/or otherwise to prevent the violation of any of the terms or
            provisions hereof, all without the necessity of proving the amount
            of any actual damage to BIOSOURCE or any affiliate thereof resulting
            therefrom; provided, however, that nothing contained in this Section
            1 of Article 10 shall be deemed or construed in any manner
            whatsoever as a waiver by BIOSOURCE of any of the rights which
            BIOSOURCE may have against VITA hereunder, at law, in equity, by
            statute or otherwise arising out of, in connection with or resulting
            from the breach by VITA of any of its covenants, agreements, duties
            or obligations hereunder.

      2.    This Agreement (i) constitutes the complete and exclusive statement
            between the Parties with respect to the subject matter of this
            Agreement; (ii) supersedes all prior agreements, related discussions
            and other communications between the Parties; and (iii) may only be
            amended in writing by authorized representatives of the Parties.

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      3.    Except as otherwise stipulated herein, any written notice or
            notification to be served under the Agreement shall be dispatched by
            registered mail addressed to the other party and at the address as
            specified below, or as the respective party may advise by notice in
            writing served under the Agreement in accordance with the present
            clause.

            To: BIOSOURCE

            --------------------------
            --------------------------
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            To: VITA

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            --------------------------

            Any letter sent by registered mail shall be deemed as served on the
            fifth calendar day following that on which it was registered at the
            post office.

      4.    If any provision of this Agreement shall be held to be invalid,
            illegal or unenforceable, then both Parties shall be relieved of all
            rights and obligations arising under such provision but only to the
            extent that such provision is invalid, illegal or unenforceable, and
            such provision shall be modified to the extent necessary to make it
            valid, legal and enforceable whilst preserving the intent of the
            Parties. All other provision of this Agreement shall be regarded as
            fully valid and enforceable unless otherwise proved.

      5.    The delay or failure of either party to exercise its rights under
            this Agreement shall in no case constitute or be deemed a waiver or
            forfeiture of such rights.

      6.    This Agreement shall be binding on the Parties and their respective
            successors and assigns. Unless otherwise expressly agreed in writing
            neither party may assign all or parts of its rights or obligations
            under this Agreement without the prior written consent of the other
            party. Notwithstanding the foregoing, BIOSOURCE shall have the right
            to assign all or parts of its rights or obligations under this
            Agreement to (i) any corporation resulting from any merger,
            consolidation or other reorganization involving BIOSOURCE, (ii) any
            of its affiliates, or (iii) any third party (a) to which BIOSOURCE
            may transfer all or substantially all of its assets, or (b) which
            acquires all or substantially all of BIOSOURCE's outstanding voting
            stock; provided, however, that the assignee agrees in writing to be
            bound by all the terms and conditions of this

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            Agreement. Any assignment by a Party that is not in accordance with
            this paragraph shall be void.

      7.    This Agreement shall be governed by and interpreted in accordance
            with the laws of Belgium and construed in accordance with the
            English language.

      8.    Any dispute arising out or in connection with this Agreement shall
            be finally settled by a panel of three arbitrators appointed and
            acting in accordance with the rules of arbitration of the CEPANI.
            The arbitration shall be held in Brussels and in English.

            In the case of non-application of the arbitration clause for any
            reason, the dispute will be submitted to the Belgian Courts.

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IN WITNESS WHEREOF this Agreement has been signed on behalf of the Parties
hereto in ___________________ on _______________________ in two originals, each
party acknowledging receipt of one duly signed copy.

BIOSOURCE                                       VITA

--------------------------------                ------------------------------
By: Kevin Reagan                                By: Jef Vangenechten
   -----------------------------                   ---------------------------
Its: Director                                   Its: Zaakvoerder
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                                                                    EXHIBIT 10.3

                         EXECUTIVE EMPLOYMENT AGREEMENT

      This Executive Employment Agreement (this "AGREEMENT") is made and entered
into as of this 6th day of May, 2004, by and between BioSource International,
Inc., a Delaware corporation (the "COMPANY") and Alan Edrick ("EXECUTIVE").

      1. ENGAGEMENT AND DUTIES.

            1.1 Commencing upon May 10th, 2004 (the "EFFECTIVE DATE"), and upon
the terms and subject to the conditions set forth in this Agreement, the Company
hereby engages and employs Executive as an officer of the Company, with the
title and designation of Executive Vice President-Chief Financial Officer of the
Company. Notwithstanding the foregoing, Executive acknowledges and agrees that
for purposes of transition, Charles Best, the Company's current Chief Financial
Officer will continue to function with that title until the effective date of
his resignation which shall be the close of business on May 14, 2004, at which
time Executive shall assume full responsibility as the Company's Chief Financial
Officer. Executive hereby accepts such engagement and employment.

            1.2 Executive's duties and responsibilities shall be those normally
and customarily vested in the office of Executive Vice President-Chief Financial
Officer of a corporation, subject to the supervision, direction and control of
the Chief Executive Officer ("CEO") of the Company. In addition, Executive's
duties shall include those duties and services for the Company and its
affiliates as the CEO shall from time to time reasonably direct. Executive shall
report directly to the CEO.

            1.3 Executive agrees to devote his primary business time, energies,
skills, efforts and attention to his duties hereunder, and will not, without the
prior written consent of the Company, which consent will not be unreasonably
withheld, render any material services to any other business concern. Executive
will use his best efforts and abilities faithfully and diligently to promote the
Company's business interests.

            1.4 Except for routine travel incident to the business of the
Company, Executive shall perform his duties and obligations under this Agreement
principally from an office or offices provided by the Company in Camarillo,
California, or such other location as the CEO may from time to time determine.

      2. TERM OF EMPLOYMENT. Executive's employment pursuant to this Agreement
shall commence on the Effective Date and shall terminate on the earliest of:

                  (a) the close of business on May 9, 2008;

                  (b) the death of Executive;

                  (c) delivery to Executive of written notice of termination by
the Company following Executive's inability to substantially perform his duties
for a period of 90 days in any twelve month period as the result of a physical
or mental disability, with such determination of disability to be made by a
physician selected by the Company. Executive agrees that he will submit to a
physical or mental examination by such physician on a mutually agreed-upon date
following the 90 days of purported disability;

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                  (d) delivery to Executive of written notice of termination by
the Company "for cause," by reason of: (i) any act or omission knowingly
undertaken or omitted by Executive with the intent of causing material damage to
the Company, its properties, assets or business or its stockholders, officers,
directors or employees; (ii) any act of Executive which results in loss or
damage to the Company and material personal profit to Executive without the
Company's prior consent including, without limitation, any fraud,
misappropriation or embezzlement, involving properties, assets or funds of the
Company or any of its subsidiaries; (iii) Executive's failure to substantially
perform his assigned duties or his obligations under this Agreement following
written notice of the specific performance failure from the CEO to Executive
pursuant to paragraph 10.2 herein, and a failure or refusal by Executive to
correct the designated performance failure within thirty (30) days of receipt of
notice or such longer period as would reasonably be required to cure the subject
performance failure; (iv) Executive's conviction of, or pleading nolo contendere
to, (1) any crime or offense involving unlawful misappropriation of monies or
other property of the Company; (2) any felony offense; or (3) any crime of moral
turpitude; or (v) the use of illegal drugs or the abuse of prescription or
over-the-counter drugs or alcohol;

                  (e) delivery to Executive of written notice of termination by
the Company "without cause;"

                  (f) delivery to the CEO by Executive of written notice of
termination for "good reason" by reason of: (1) the Company's failure to satisfy
any of its contractual obligations under this Agreement following written notice
of the specific performance failure from Executive to the CEO pursuant to
paragraph 10.2 herein, and a failure or refusal by the Company to correct the
designated performance failure within thirty (30) days of receipt of notice or
such longer period as would reasonably be required to cure the subject
performance failure; or (2) the discontinuance of Company operations other than
as a result of a change of control; or

                  (g) delivery to the CEO by Executive of Executive's
resignation.

      3. COMPENSATION; EXECUTIVE BENEFIT PLANS.

            3.1 The Company shall pay to Executive a base salary at an annual
rate of one hundred ninety thousand dollars ($190,000.00) during each fiscal
year of this Agreement, subject to upward adjustment on an annual basis by the
CEO. The base salary shall be payable in installments throughout each year in
the same manner and at the same times the Company pays base salaries to other
executive officers of the Company. In the event that Executive's employment
terminates pursuant to Section 2(e) or (f), above, the Company shall continue to
pay Executive's then-current base salary for a period of 9 months following the
effective date of such termination, and Executive shall retain only those
options described in Section 3.4, below, that have vested prior to the effective
date of such termination. Notwithstanding the foregoing, the Company shall not
be obligated to pay Executive any amounts hereunder following the termination of
Executive's employment pursuant to Section 2(e) or (f), above, from and after
any time that Executive accepts an employment or consulting position with any
person or entity that is determined by the CEO, in the exercise of his
reasonable discretion, to be a competitor of the Company.

            3.2 In addition to the base salary to be paid to Executive
hereunder, the Company shall pay to Executive the gross amount of seventy two
thousand dollars ($72,000) as

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a signing bonus ("Signing Bonus"), payable in thirty equal monthly installments
of $2,400 each commencing upon the Effective Date and ending on the earlier of
November 10, 2006 or the date upon which Executive's employment with the Company
terminates for any reason.

            3.3 In addition to the Base Salary and the Signing Bonus to be paid
to Executive hereunder, the Company shall pay Executive a performance bonus (the
"PERFORMANCE BONUS") in an amount to be determined in accordance with a
management incentive plan (the "MIP") approved annually in a resolution adopted
by the Compensation Committee. The MIP will provide for the payment of an annual
Performance Bonus equal to 30% of the then current base salary upon achieving
the "target" objectives set forth in the MIP, and payments of such lesser or
greater amounts upon achieving results less than or greater than the "target"
objectives as shall be contained in the MIP. Executive's Performance Bonus
potential for 2004 shall not be prorated for time in position and shall be
calculated as if Executive were employed for the full year.

            3.4 Executive shall be granted an option to purchase 100,000 shares
of Common Stock at a per share exercise price equal to the "fair market value"
of such shares on the Effective Date (as defined in the Company's 2000
Non-Qualified Stock Option Plan (the "STOCK PLAN")). The Options shall be issued
pursuant to the terms of the Stock Plan, and shall vest as to 25% of the Options
on the first anniversary of the date of grant, and as to 1/48th of the Option on
the last day of each calendar month thereafter until fully vested. The option
agreement shall provide for the acceleration of all vesting upon a change of
control, as defined in the option agreement, that occurs prior to the
termination of this Agreement.

            3.5 Executive shall be entitled to reimbursement from the Company
for the reasonable business costs and expenses which he incurs in connection
with the performance of his duties and obligations under this Agreement in a
manner consistent with the Company's practices and policies as adopted or
approved from time to time by the CEO for executive officers.

            3.6 The Company may deduct from any compensation payable to
Executive the requisite amounts to comply with local, state and federal
withholding obligations, as well as previously authorized deductions.

      4. OTHER BENEFITS. During the term of his employment hereunder, Executive
shall also be eligible to participate in all operative employee benefit and
welfare plans of the Company including, but not limited to, group life, medical,
disability and other insurance plans, and PTO benefits, on the same basis and
terms applicable to employees of the Company whose level of management and
authority is comparable to that of Executive.

      5. CONFIDENTIALITY OF PROPRIETARY INFORMATION AND MATERIAL.

            5.1 Industrial Property Rights. For the purpose of this Agreement,
"INDUSTRIAL PROPERTY RIGHTS" shall mean all of the Company's patents,
trademarks, trade names, inventions, copyrights, know-how or trade secrets,
formulas and science, now in existence or hereafter developed or acquired by the
Company or for its use, relating to any and all products and services which are
developed, formulated and/or manufactured by the Company.

            5.2 Trade Secrets. For the purpose of this Agreement, "TRADE
SECRETS" shall mean any formula, pattern, device, or compilation of information
that is used in the Company's

                                     - 3 -
<PAGE>

business and gives the Company an opportunity to obtain an advantage over its
competitors who do not know and/or do not use it. This term includes, but is not
limited to, information relating to the marketing of the Company's products and
services, including price lists, pricing information, customer lists, customer
names, the particular needs of customers, information relating to their
desirability as customers, non-public financial information, intangible property
and other such information which is not in the public domain.

            5.3 Technical Data. For the purpose of this Agreement, "TECHNICAL
DATA" shall mean all information of the Company in written, graphic or tangible
form relating to any and all products which are developed, formulated and/or
manufactured by the Company, as such information exists as of the Effective Date
or is developed by the Company during the term hereof.

            5.4 Proprietary Information. For the purpose of this Agreement,
"PROPRIETARY INFORMATION" shall mean all of the Company's Industrial Property
Rights, Trade Secrets and Technical Data. Proprietary Information shall not
include any information which (i) was lawfully in the possession of Executive
prior to Executive's employment with the Company, (ii) may be obtained from
readily available and public sources of information, (iii) is lawfully disclosed
to Executive after termination of Executive's employment by a third party which
does not have an obligation to the Company to keep such information
confidential, or (iv) is independently developed by Executive after termination
of Executive's employment without utilizing any of the Company's Proprietary
Information.

            5.5 Agreement Not To Copy Or Use. Executive agrees, at any time
during the term of his employment and for a period of three (3) years
thereafter, not to copy, use or disclose (except as required by law after first
notifying the Company and giving it an opportunity to object) any Proprietary
Information without the Company's prior written permission; provided, however,
that this provision does not apply to use by Executive of Proprietary
Information within the course and scope of employment with the Company. The
Company may withhold such permission as a matter within its sole discretion
during the term of this Agreement and thereafter.

      6. RETURN OF CORPORATE PROPERTY AND TRADE SECRETS. Upon any termination of
this Agreement, Executive agrees to return to the Company all Proprietary
Information or tangible property of the Company in his possession, custody or
control.

      7. DISCOVERIES AND INVENTIONS.

            7.1 Disclosure. Executive will promptly disclose in writing to the
Company complete information concerning each and every invention, discovery,
improvement, device, design, apparatus, practice, process, method, product or
work of authorship, whether patentable or not, made, developed, perfected,
devised, conceived or first reduced to practice by Executive, whether or not
during regular working hours (hereinafter referred to as "DEVELOPMENTS"), either
solely or in collaboration with others, (a) during the term of this Agreement or
(b) within six months after the term of this Agreement, if relating either
directly or indirectly to the business, products, practices, techniques or
confidential information of the Company.

            7.2 Assignment. Executive, to the extent that he has the legal right
to do so, hereby acknowledges that any and all Developments are the property of
the Company and

                                     - 4 -
<PAGE>

hereby assigns and agrees to assign to the Company any and all of Executive's
right, title and interest in and to any and all of such Developments; provided,
however, that, in accordance with California Labor Code Sections 2870 and 2872,
the provisions of this Section 7 shall not apply to any Development that the
Executive developed entirely on his own time without using the Company's
equipment, supplies, facilities or trade secret information except for those
Developments that either:

                        (a) relate at the time of conception or reduction to
practice of the Development to the Company's business, or actual or demonstrably
anticipated research or development of the Company; or

                        (b) result from any work performed by Executive for the
Company.

            7.3 Assistance of Executive. Upon request and without further
compensation therefore, but at no expense to Executive, and whether during the
term of this Agreement or thereafter, Executive will do all reasonable lawful
acts including, but not limited to, the execution of papers and lawful oaths and
the giving of testimony reasonably necessary or desirable in obtaining,
sustaining, reissuing, extending and enforcing United States and foreign Letters
Patent including, but not limited to, design patents, on any and all
Developments and for perfecting, affirming and recording the Company's complete
ownership and title thereto, subject to the proviso in Section 7.2 hereof, and
Executive will otherwise reasonably cooperate in all proceedings and matters
relating thereto.

            7.4 Records. Executive will keep complete and accurate accounts,
notes, data and records of all Developments in the manner and form requested by
the Company. Such accounts, notes, data and records shall be the property of the
Company, subject to the proviso in Section 7.2 hereof, and, upon request by the
Company, Executive will promptly surrender the same to it or, if not previously
surrendered upon its request or otherwise, Executive will surrender the same,
and all copies thereof, to the Company upon the conclusion of his employment.

            7.5 Obligations, Restrictions and Limitations. Executive understands
that the Company may enter into agreements or arrangements with agencies of the
United States Government and that the Company may be subject to laws and
regulations which impose obligations, restrictions and limitations on it with
respect to inventions and patents which may be acquired by it or which may be
conceived or developed by employees, consultants or other agents rendering
services to it. Executive agrees that he shall be bound by all such obligations,
restrictions and limitations applicable to any such invention conceived or
developed by him and relating to his employment with the Company during the term
of this Agreement, and shall take any and all further action which may be
required to discharge such obligations and to comply with such restrictions and
limitations.

      8. NON-SOLICITATION COVENANT.

            8.1 Nonsolicitation and Noninterference. During the term of this
Agreement and for a period of two years thereafter, Executive shall not (a)
induce or attempt to induce any employee of the Company to leave the employ of
the Company or in any way interfere adversely with the relationship between any
such employee and the Company, (b) induce or attempt to induce any employee of
the Company to work for, render services or provide advice to or supply
confidential business information or trade secrets of the Company to any third

                                     - 5 -
<PAGE>

person, firm or corporation or (c) induce or attempt to induce any customer,
supplier, licensee, licensor or other business relation of the Company to cease
doing business with the Company.

            8.2 Indirect Solicitation. Executive agrees that, during the term of
this Agreement and the period covered by Section 8.1 hereof, he will not assist
or encourage any other person in carrying out any activity that would be
prohibited by the provisions of Section 8.1 if such activity were carried out by
Executive.

      9. INJUNCTIVE RELIEF. Executive acknowledges the Company's concern that,
in the event of any breach by Executive of the provisions contained in Sections
5, 6, 7 and 8 of this Agreement, the Company would suffer great and irreparable
harm, injury and damage, the Company would encounter extreme difficulty in
attempting to prove the actual amount of damages suffered by the Company as a
result of such breach, and the Company would not be reasonably or adequately
compensated in damages in any action at law. Executive therefore agrees that, in
addition to any other remedy the Company may have at law, in equity, by statute
or otherwise, in the event of any purported breach by Executive of the
provisions of Sections 5, 6, 7 and 8 of this Agreement, the Company may seek
temporary, preliminary and permanent injunctive and other equitable relief from
any court of competent jurisdiction as permitted under the law; provided,
however, that nothing contained in this Section 9 shall be deemed or construed
in any manner whatsoever as a waiver by the Company of any of the rights which
the Company may have against Executive at law, in equity, by statute or
otherwise arising out of, in connection with or resulting from the breach by
Executive of any of his covenants, agreements, duties or obligations hereunder.

      10. MISCELLANEOUS.

            10.1 Arbitration. The parties agree that they will use their best
efforts to amicably resolve any dispute arising out of or relating to this
Agreement or their employment relationship. Any controversy, claim or dispute
that cannot be so resolved shall be settled by final binding arbitration in
accordance with the rules of the American Arbitration Association and judgment
upon the award rendered by the arbitrator or arbitrators may be entered in any
court having jurisdiction thereof. Any such arbitration shall be conducted in
Los Angeles County or Ventura County, California, or such other place as may be
mutually agreed upon by the parties. Within fifteen (15) days after the
commencement of the arbitration, each party shall select one person to act
arbitrator, and the two arbitrators so selected shall select a third arbitrator
within ten (10) days of their appointment. Each party shall bear its own costs
and expenses and an equal share of the arbitrator's expenses and administrative
fees of arbitration, except that the prevailing party shall recover all of such
party's costs and reasonable attorneys' fees incurred in each and every such
arbitration unless otherwise required by law.

            10.2 Notices. All notices, requests and other communications
(collectively, "NOTICES") given pursuant to this Agreement shall be in writing,
and shall be delivered by personal service or by United States first class,
registered or certified mail (return receipt requested), postage prepaid,
addressed to the party at the address set forth below:

                                     - 6 -
<PAGE>

                  If to Company:

                            BioSource International, Inc.
                            542 Flynn Road
                            Camarillo, CA 93012
                            Attn: CEO

                  If to Executive:

                            [provide address]

            Any Notice duly given shall be deemed to have been provided on the
earlier of the date received or the fifth day following mailing when sent by
U.S. Mail. Either party may from time to time change its address for further
Notices hereunder by giving notice to the other party in the manner prescribed
in this section.

            10.3 Entire Agreement. This Agreement sets forth the entire
agreement between the parties relating to the rights herein and the obligations
herein assumed, and supersedes any and all previous negotiations, agreements
and/or understandings of any kind relating to the subject matter hereof. Any
oral representations or modifications concerning this Agreement shall be of no
force or effect. This Agreement can be modified only in the form of a writing
signed by both parties hereto. The parties expressly waive application of any
local, state, federal or foreign law, statute or judicial decision allowing
verbal modifications, amendments, or additions to a contract notwithstanding an
express provision requiring a writing signed by the parties.

            10.4 Severability. Whenever possible, each provision of this
Agreement shall be interpreted in such manner as to be effective and valid under
applicable law, but if any provision of this Agreement is determined by an
arbitrator or a court of competent jurisdiction to be prohibited or invalid
under applicable law, such provision shall be ineffective to the extent of such
prohibition or invalidity without invalidating the remainder of such provision
or the remaining provisions of this Agreement.

            10.5 Attorneys' Fees. Consistent with 10.1 herein, if any proceeding
is instituted to remedy, prevent or obtain relief from a breach in the
performance by any party of its obligations under this Agreement, the prevailing
party shall recover all of such party's costs and reasonable attorneys' fees
incurred in each and every such proceeding, including any and all appeals or
petitions therefrom.

            10.6 Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF CALIFORNIA, WITHOUT REGARD
TO CONFLICTS OF LAW PRINCIPLES THEREOF.

            10.7 Captions. The various captions of this Agreement are for
reference only and shall not be considered or referred to in resolving questions
of interpretation of this Agreement.

            10.8 Counterparts. This Agreement may be executed in any number of
counterparts, each of which shall be deemed to be an original, but all of which
together shall constitute one and the same instrument.

                                     - 7 -
<PAGE>

            10.9 Business Day. If the last day permissible for delivery of any
Notice under any provision of this Agreement, or for the performance of any
obligation under this Agreement, shall be other than a business day, such last
day for such Notice or performance shall be extended to the next following
business day (provided, however, under no circumstances shall this provision be
construed to extend the date of termination of this Agreement).

      In witness whereof, the parties have executed this Agreement as of the
date first set forth above.

Company:                                        Executive:

BIOSOURCE INTERNATIONAL, INC.                   ALAN EDRICK

By:_________________________________            By: __________________________

   Terrance J. Bieker, President and CEO

                                     - 8 -

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