Document:

<PAGE>

                                                                   Exhibit 10.10

                          TRADEMARK LICENSE AGREEMENT

          THIS TRADEMARK LICENSE AGREEMENT (the "Agreement") is made and entered
into as of June 10, 2001 by and between SeraCare, Inc., a Delaware corporation
("SeraCare" or "Licensor") and SeraCare Life Sciences, Inc., a California
corporation ("Life Sciences" or "Licensee").

                                   RECITALS
                                   --------

          WHEREAS, SeraCare owns the mark set forth in Exhibit A attached hereto
and incorporated herein by reference (the "Mark") and has used the Mark as
trademark, service mark and trade name in connection with the SeraCare Business;
and

          WHEREAS, in connection the Agreement and Plan of Merger between
SeraCare and Instituto Grifols, S.A., a company organized under the laws of
Spain ("Grifols"), pursuant to which SeraCare will merge with SI Merger Corp., a
Delaware corporation and wholly-owned subsidiary of Grifols (the "Merger"),
dated June 10, 2001, SeraCare desires to license to Life Sciences the Mark for
use in connection with the Life Sciences Business.

          NOW, THEREFORE, in consideration of the recitals above, and the mutual
promises set forth below, the parties hereto agree as follows:

          1.  License.  Licensor hereby grants to Licensee an exclusive license
              -------
(the "License") to use the Mark in connection with the Life Sciences Business
for the Term (as defined below) in any territory throughout the world in
accordance with the terms and conditions set forth in this Agreement.  Licensee
and Licensor acknowledge that the License is exclusive and, as such, Licensor
shall not sell or license to others the Mark in any manner whatsoever, except in
accordance with Section 13.  Nothing herein shall be intended to prevent
Licensor from using the Mark in the SeraCare Business.

          2.  Term of License.  The term of the License shall commence as of the
              ---------------
date hereof and, shall continue perpetually unless Licensor notifies Licensee in
writing that this Agreement is terminated, pursuant to Paragraph 9 below (the
"Term").

          3.  Ownership and Use of Mark.
              -------------------------

              a.  Licensee shall not use the Mark in a manner that materially
(i) contravenes any statute or regulation, (ii) impairs the validity or
enforceability of the Mark; (iii) impairs the quality of products and services
with which the Mark is used; or (iv) disparages the Mark or Licensor. Licensee
agrees that all proprietary right and goodwill in any Mark shall
<PAGE>

inure solely to the benefit of Licensor, that the uses of the Mark by Licensee
shall not create any interest or right, express or implied, in the Mark in
Licensee except as set forth in this Agreement, and that Licensee does not and
will not assert any claim to any ownership thereof. If, by operation of law, or
otherwise, Licensee is deemed to or appears to own any property rights in the
Mark, Licensee shall, at Licensor's request, execute any and all documents
necessary to confirm or otherwise establish Licensor's rights therein. Licensee
agrees to cooperate with any reasonable request made by Licensor to help
register, maintain and/or enforce Licensor's title and rights in and to the
Mark.

               b. During the term of this Agreement or at any time thereafter,
Licensee shall not dispute or contest, or assist any other party in disputing or
contesting, the validity or enforceability of Licensor's right, title and
interest in and to the Mark.  This includes an agreement that Licensee shall not
oppose or assist another in opposing any application filed by Licensor for
registration of the Mark, and shall not take any action to cancel or assist
another in canceling any trademark registration obtained by Licensor for the
Mark.

          4.   [INTENTIONALLY OMITTED.].

          5.   Quality Control.  The quality of all products and services
               ---------------
offered by Licensee using the Mark ("Goods and Services") shall meet or exceed
industry standards in all material respects.  Licensee shall cooperate with all
reasonable requests by Licensor to ensure compliance with the terms of this
Agreement.  If Licensor reasonably determines that any material aspect of the
Goods and Services, or Licensee's use of the Mark in connection with the
advertising or sale of the Goods and Services, does not meet or exceed industry
standards in all material respects, then Licensor shall notify Licensee in
writing specifying such deficiencies.  If Licensee does not correct all such
deficiencies to Licensor's reasonable satisfaction within ninety days (90), then
Licensor may terminate this Agreement pursuant to Paragraph 9(b) below.

          6.   Foreign Qualifications.  The parties hereby agree that Life
               ----------------------
Sciences shall have the right to qualify to do business as a foreign corporation
in every state in the United States under the name "SeraCare Life Sciences,
Inc."  If any state prohibits such qualification on the grounds that the Mark is
in use by SeraCare, then SeraCare shall change its qualification in such state
in order to permit Licensee to qualify in such state, provided that Licensee
shall pay SeraCare's reasonable costs and expenses in connection therewith.

          7.   Infringement Actions.  In the event that either party learns of
               --------------------
any actual or potential infringement, misuse or misappropriation of the Mark,
such party shall promptly notify the other thereof in writing.  In such event,
Licensor shall have the right to institute legal action and, at its option,
and/or as may be required by law, join Licensee as plaintiff.  Licensor may
select counsel of its choice, and shall control the action and shall bear the
entire costs of such action, and shall be entitled to retain the entire amount
of any recovery by way of judgment, award, decree or settlement.  If Licensor
determines not to institute legal action, Licensee may institute legal action;
provided, however that Licensee agrees to indemnify and hold Licensor harmless
from and against any and all liabilities, damages, judgments, penalties, losses,
costs, expenses, claims, suits or demands relating to or arising out of such
legal action.  In such event,

                                       2
<PAGE>

Licensee may select counsel of its choice, and shall control the action and
shall bear the entire cost of such action, and shall be entitled to retain the
entire amount of any recovery by way of judgment, award, decree or settlement.
Each party shall cooperate with the other party in any such actions against
third parties, and may if such party desires, elect to be represented by counsel
of its choice, but at its own expense.

          8.   Indemnification.
               ---------------

               a.   Licensee will protect, defend, indemnify and hold Licensor,
its parents, subsidiaries, affiliates, and the officers, directors, employees,
shareholders and agents of each of them, harmless from and against any and all
liabilities, damages, judgments, penalties, losses, costs, expenses (including
without limitation reasonable attorneys' fees), claims, suits, or demands
relating to or arising from any breach by Licensee of any of its agreements
hereunder or by reason of the use by Licensee of the Mark.

               b.   Licensor will protect, defend, indemnify and hold Licensee,
its parents, subsidiaries, affiliates, and the officers, directors, employees,
shareholders and agents of each of them, harmless from and against any and all
liabilities, damages, judgments, penalties, losses, costs, expenses (including
without limitation reasonable attorneys' fees), claims, suits, or demands
relating to or arising from any breach by Licensor of any of its agreements in
Sections 1, 6, 7, 12 and 13 hereunder.

          9.   Termination.  Licensee may terminate this Agreement at any time
               -----------
upon thirty (30) days written notice to Licensor.  Licensor may terminate this
Agreement upon written notice effective immediately, if Licensee commits any
material breach of this Agreement and fails to cure the breach within ninety
(90) days after receipt of Licensor's written request to do so.

          10.  Effect of Termination.  Termination of this Agreement for cause
               ---------------------
shall be without prejudice to any other remedy otherwise available to the
parties to this Agreement.  Upon termination of this Agreement for any reason,
Licensee agrees to discontinue all use of the Mark and to refrain from using any
confusingly similar or conflicting trademarks, service marks, trade names and/or
other indicia of origin.

          11.  Notices.  All notices and other communications hereunder shall be
               -------
in writing and shall be given (and shall be deemed to have been duly given upon
receipt) by delivery in person by telegram, telecopy, telex or other standard
form of telecommunications (with telephonic confirmed receipt of such
telecommunication), or by registered or certified mail, postage prepaid, return
receipt requested to the address of the headquarters of the receiving party.

                                       3
<PAGE>

          12.  Assignments.  This Agreement and all of the provisions hereof
               -----------
shall be binding upon and inure to the benefit of the parties hereto and their
respective successors and permitted assigns.  Subject to Section 13, neither
this Agreement nor any of the rights, interests or obligations of Licensee or
Licensor hereunder shall be assigned, sublicensed, or transferred without the
prior written consent of the other party, which consent may not be unreasonably
withheld.  However, in the event Licensor sells to a single purchaser all or
substantially all of the assets of the Licensor, Licensor may sell the Mark to
such purchaser in connection with such sale without the consent of Licensee, and
without regard to Section 13, subject to assumption of the obligations of
Licensor under this Agreement.

          13.  Right of First Refusal.  In the event that Licensor ceases to use
               ----------------------
the Mark in connection with the SeraCare Business, Licensor may transfer or
assign the Mark to a third party in the SeraCare Business only on the following
terms and conditions:

               (a) If the Licensor intends to transfer or assign the Mark, the
Licensor shall deliver written notice of such intention to Licensee.  Such
notice (the "Offer Notice") shall state the proposed purchase price, the name of
the proposed transferee and the terms and conditions of the transfer of the
Mark.

               (b) For a period of thirty (30) days after receipt of the Offer
Notice (the "Offer Period"), Licensee may, by written notice to the Licensor
(the "Acceptance Notice"), elect to purchase the Mark for an aggregate purchase
price equal to the price specified in the Offer Notice.

               (c) If the Licensee fails to deliver the Acceptance Notice to the
Licensor prior to the expiration of the Offer Period, then, for a period of
ninety (90) days from the expiration of the Offer Period, the Licensor may
transfer or assign the Mark only in accordance with the terms of the Offer
Notice. If such transfer does not occur on or before the expiration of the
ninety day period, then Licensor must deliver another Offer Notice pursuant to
Section 13(a).

               (d) At the closing of the purchase of the Mark pursuant to
Section 13(b), which shall take place within thirty days of delivery of the
Acceptance Notice, Licensee shall deliver to the Licensor, against delivery by
Licensor of appropriate instruments of transfer of the Mark, the purchase price
of the Mark specified in the Acceptance Notice.

          14.  Injunctive Relief.  Licensee acknowledges that, in the event of
               -----------------
any unauthorized use of the Mark by Licensee, money damages alone would be
inadequate and, therefore, Licensor shall, in addition to such other collateral,
legal and equitable rights and remedies as may be available to it, have the
right to injunctive relief without being required to prove damages or furnish a
bond or other security.

          15.  Independent Contracting Parties.  The parties are and shall be
               -------------------------------
independent contractors to one another and nothing in the Agreement shall create
an agency, partnership or joint venture between the parties.

                                       4
<PAGE>

          16.  No Waiver.  No failure by either party to take action on account
               ---------
of any default by the other, whether in a single instance or repeatedly, shall
constitute a waiver of any such default or the performance required of such
party.  No express waiver of a default by any party shall be construed as a
waiver of any other default or future performance required hereunder.

          17.  Headings.  The headings contained in this Agreement are inserted
               --------
for convenience only and do not constitute a part of this Agreement.

          18.  Invalidity.  If any provision of this Agreement is held invalid
               ----------
or unenforceable, the remainder of this Agreement shall nevertheless remain in
full force and effect.

          19.  Entire Agreement.  This Agreement (including the instruments
               ----------------
between the parties referred to herein) constitutes the complete, final and
exclusive statement of the entire agreement among the parties and supersedes all
other prior agreements and understandings, both written and oral, with respect
to the subject matter hereof.  This Agreement may not be amended or supplemented
in any manner except by a written agreement executed by an authorized
representative of the party sought to be bound.  All references to paragraphs,
sections, subsections, clauses and schedules shall be deemed to refer to such
part of this Agreement, unless the context requires otherwise.

          20.  Governing Law.  This Agreement and the legal relations between
               -------------
the parties hereto shall be governed by and construed in accordance with the
internal laws of the State of California and without regard to conflict of laws
principles.

          21.  Jurisdiction.  The courts of the State of California, including
               ------------
the federal courts sitting in the State of California, shall have exclusive
jurisdiction to hear and decide all controversies that may arise under or
concerning this Agreement.

          22.  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 but one agreement.

          23.  Definitions.
               -----------

               a.  "Life Sciences Business" means the business and organization
     for the manufacturing, marketing and selling of therapeutic based blood
     plasma products, diagnostic test kits, specialty plasma used for diagnostic
     purposes and bulk materials, and shall not include the business of
     collecting blood plasma.

               b.  "SeraCare Business" means the business of collecting blood
     plasma.

                                       5
<PAGE>

          IN WITNESS WHEREOF, the authorized representatives of the parties
hereto have duly executed this Agreement as of the first date above.

LICENSOR:                               LICENSEE:
--------                                --------

SeraCare, Inc.                          SeraCare Life Sciences, Inc.

By:   /s/ Barry Plost                   By:   /s/ Jerry L. Burdick
      -----------------------                 ------------------------
Name: Barry Plost                       Name: Jerry L. Burdick
Its:  Chief Executive Officer           Its:  Executive Vice President

                                       6
<PAGE>

                                   EXHIBIT A

                                       7<PAGE>

                                                                   EXHIBIT 10.11

                          EMPLOYEE MATTERS AGREEMENT

                                    BETWEEN

                                SERACARE, INC.

                                      AND

                         SERACARE LIFE SCIENCES, INC.

                                 JUNE 10, 2001
<PAGE>

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                             Page
<S>                                                                                                          <C>

                                                      ARTICLE I

                                                     DEFINITIONS

                                                     ARTICLE II

                                                 GENERAL PRINCIPLES

Section 2.1     Liabilities.................................................................................    4
Section 2.2     Establishment of Life Sciences Plans........................................................    4
Section 2.3     Life Sciences Under No Obligation To Maintain Plans.........................................    4
Section 2.4     Life Sciences's Participation In SeraCare Plans.............................................    5
Section 2.5     Terms Of Participation By Life Sciences Employees In Life Sciences Plans....................    5

                                                     ARTICLE III

                                              DEFINED CONTRIBUTION PLAN

Section 3.1     401(k) Plan..................................................................................   6

                                                      ARTICLE IV

                                               HEALTH AND WELFARE PLANS

Section 4.1     Health Plans As Of The Distribution Date.....................................................   6
Section 4.2     Health Plans Through The Distribution Date...................................................   7
Section 4.3     Group Life Plan..............................................................................   7
Section 4.4     COBRA........................................................................................   7
Section 4.5     Workers' Compensation Plan...................................................................   8
Section 4.6     Severance....................................................................................   8
Section 4.7     Vacation.....................................................................................   8

                                                      ARTICLE V

                                              ADMINISTRATIVE PROVISIONS

Section 5.1     Sharing Of Participant Information...........................................................   8
Section 5.2     Costs And Expenses...........................................................................   8
</TABLE>

                                      -i-
<PAGE>

                               TABLE OF CONTENTS
                                  (continued)

<TABLE>
<CAPTION>
                                                                                                             Page
<S>                                                                                                          <C>
                                                    ARTICLE VI

                                            EMPLOYMENT-RELATED MATTERS

Section 6.1     Employment Of Employees With United States Work Visas......................................    8
Section 6.2     Employment Litigation; Claims..............................................................    9
Section 6.3     Employment Terminations....................................................................    9

                                                    ARTICLE VII

                                             MISCELLANEOUS PROVISIONS

Section 7.1     Limitation of Liability....................................................................    9
Section 7.2     Effect If Separation And/Or Distribution Does Not Occur....................................    9
Section 7.3     Relationship Of Parties....................................................................    9
Section 7.4     Entire Agreement...........................................................................    9
Section 7.5     Dispute Resolution.........................................................................   10
Section 7.6     Governing Law..............................................................................   10
Section 7.7     Notices....................................................................................   10
Section 7.8     Counterparts...............................................................................   10
Section 7.9     Binding Effect; Assignment.................................................................   10
Section 7.10    Severability...............................................................................   11
Section 7.11    Waiver of Breach...........................................................................   11
Section 7.12    Authority..................................................................................   11
Section 7.13    Descriptive Headings.......................................................................   11
Section 7.14    Gender and Number..........................................................................   11
Section 7.15    Additional Assurances......................................................................   11
Section 7.16    Amendment..................................................................................   11
Section 7.17    Force Majeure..............................................................................   12
</TABLE>

                                      ii
<PAGE>

                          EMPLOYEE MATTERS AGREEMENT

          This Employee Matters Agreement (the "Agreement") is entered into as
of June 10, 2001, between SeraCare, Inc., a Delaware corporation ("SeraCare"),
and SeraCare Life Sciences, Inc., a California corporation ("Life Sciences").
SeraCare and Life Sciences are sometimes referred to herein individually as a
"party" or collectively as the "parties."

          WHEREAS, the Board of Directors of SeraCare has determined that it is
in the best interests of SeraCare and its shareholders to separate SeraCare's
existing business into two independent businesses, the SeraCare Business and the
Life Sciences Business; and

          WHEREAS, in furtherance of the foregoing, SeraCare and Life Sciences
have agreed to enter into this Agreement to allocate between them assets,
liabilities and responsibilities with respect to certain employee compensation,
benefit plans, programs and arrangements, and certain employment matters.

          NOW, THEREFORE, in consideration of the foregoing and the covenants
and agreements set forth below, the parties hereto agree as follows:

                                   ARTICLE I
                                  DEFINITIONS

          Section 1.1  401(k) Plan.  "401(k) Plan," when immediately preceded by
                       -----------
"SeraCare" means the tax-qualified profit sharing plan of SeraCare, which
contains a Code Section 401(k) feature.  When immediately preceded by Life
Sciences, "401(k) Plan" shall mean the tax-qualified profit sharing plan, which
contains a Code Section 401(k) feature, that Life Sciences shall establish,
sponsor, and maintain.

          Section 1.2  Affiliate.  "Affiliate" means, with respect to any
                       ---------
specified Person, any entity that Controls, is Controlled by, or is under common
Control with such Person. For this purpose, "Control" means the possession,
directly or indirectly, of the power to direct or cause the direction of the
management and policies of such entity, whether through ownership of voting
securities or other interests, by control, or otherwise.

          Section 1.3  Ancillary Agreements.  "Ancillary Agreements" has the
                       --------------------
meaning set forth in Section 2.1 of the Separation Agreement.

          Section 1.4  COBRA.  "COBRA" means the continuation coverage
                       -----
requirements for "group health plans" under Title X of the Consolidated Omnibus
Budget Reconciliation Act of 1985, as amended from time to time, and as codified
in Code Section 4980B and ERISA Sections 601 through 608.

                                      -1-
<PAGE>

     Section 1.5  Code.  "Code" means the Internal Revenue Code of 1986, as
                  ----
amended from time to time.

     Section 1.6  Covered Employees.  "Covered Employees" has the meaning set
                  -----------------
forth in Section 4.1(d) of this Agreement.

     Section 1.7  Disputes.  "Disputes" has the meaning set forth in Section
                  --------
7.6 of the Separation Agreement.

     Section 1.8  Distribution.  "Distribution" has the meaning set forth in the
                  ------------
Recitals of the Separation Agreement.

     Section 1.9  Distribution Date. "Distribution Date" has the meaning set
                  -----------------
forth in Section 3.2(a) of the Separation Agreement.

     Section 1.10 ERISA.  "ERISA" means the Employee Retirement Income Security
                  -----
Act of 1974, as amended from time to time.

     Section 1.11 Health And Welfare Plans.  "Health and Welfare Plans," when
                  ------------------------
immediately preceded by "SeraCare," means the SeraCare Health Plans, the
SeraCare Code Section 125/Flexible Spending Plan (the "SeraCare 125 Plan"),
established and maintained by SeraCare for the benefit of eligible employees of
SeraCare and its Subsidiaries, and such other Welfare Plans as may apply to such
employees through the Distribution Date.  When immediately preceded by "Life
Sciences," Health and Welfare Plans means the Life Sciences Health Plans, the
Life Sciences Code Section 125/Flexible Spending Plan (if applicable) (the "Life
Sciences 125 Plan"), established and maintained by Life Sciences for the benefit
of eligible employees of Life Sciences and its Subsidiaries, and such other
Welfare Plans that Life Sciences may establish.

     Section 1.12 Health Plans.  "Health Plans," when immediately preceded by
                  ------------
"SeraCare," means the medical and dental Plans and any similar or successor
Plans established and maintained by SeraCare for the benefit of eligible
employees of SeraCare and its Subsidiaries.  When immediately preceded by "Life
Sciences," "Health Plans" means the medical and dental Plans and any similar or
successor Plans that shall be established and maintained by Life Sciences for
the benefit of eligible employees of Life Sciences and its Subsidiaries.

     Section 1.13 Liabilities. "Liabilities" has the meaning set forth in
                  -----------
Section 9.27 of the Separation Agreement.

     Section 1.14 Life Sciences Business. "Life Sciences Business" has the
                  ----------------------
meaning set forth in Section 9.29 of the Separation Agreement.

     Section 1.15 Life Sciences Employee.  "Life Sciences Employee" means an
                  ----------------------
individual who is: (a) on and immediately after the Separation Date actively
employed by, or on leave of absence from, Life Sciences; (b) an employee or
among a group of employees designated prior to the Distribution Date as Life
Sciences Employees by SeraCare and Life Sciences, by mutual agreement; (c) an
employee of SeraCare or Life Sciences who, prior to the Distribution Date, is

                                      -2-
<PAGE>

on, or begins, a company approved leave of absence, provided such employment
related to the Life Sciences Business, until the earliest of (i) the employee's
termination of employment, (ii) the passage of six months as measured from the
employee's last day of active work, or (iii) the employee is medically released
to return to work; or (d) any employee hired by Life Sciences after the
Separation Date.  The term Life Sciences Employee, to the extent used herein
relating to periods prior to the Separation Date, means an individual whose
employment relates to the Life Sciences Business.

     Section 1.16 Participating Company.  "Participating Company" means: (a)
                  ---------------------
SeraCare; (b) any Person (other than an individual) that SeraCare has approved
for participation in, has accepted participation in, and which is participating
in, a Plan sponsored by SeraCare; and (c) any Person (other than an individual)
which, by the terms of a Plan sponsored by SeraCare, participates in such Plan
or any employees of which, by the terms of a Plan sponsored by SeraCare,
participate in or are covered by such Plan.

     Section 1.17 Person.  "Person" has the meaning set forth in Section 9.38 of
                  ------
the Separation Agreement.

     Section 1.18 Plan.  "Plan" means any plan (including any of the health and
                  ----
welfare plans), policy, program, payroll practice, arrangement, contract, trust,
insurance policy, or any agreement or funding vehicle providing compensation or
benefits to employees, former employees, directors or consultants of SeraCare or
Life Sciences.

     Section 1.19 Separation.  "Separation" has the meaning set forth in the
                  ----------
Recitals of the Separation Agreement.

     Section 1.20 Separation Agreement.  "Separation Agreement" means the Master
                  --------------------
Separation and Distribution Agreement dated June 10, 2001 between the parties,
to which this Agreement is attached as Exhibit E.

     Section 1.21 Separation Date. "Separation Date" has the meaning set forth
                  ---------------
in Section 1.1 of the Separation Agreement.

     Section 1.22 Separation Date Workers' Compensation Plan.  "Separation Date
                  ------------------------------------------
Workers' Compensation Plan" has the meaning set forth in Section 4.5 of this
Agreement.

     Section 1.23 SeraCare Business.  "SeraCare Business" has the meaning set
                  -----------------
forth in Section 9.45 of the Separation Agreement.

     Section 1.24 SeraCare Employee. "SeraCare Employee" means an individual who
                  -----------------
is: (a) on and immediately after the Separation Date actively employed by, or on
leave of absence from, SeraCare; (b) an employee or among a group of employees
designated prior to the Distribution Date as SeraCare Employees by SeraCare and
Life Sciences, by mutual agreement; (c) an employee of SeraCare or Life Sciences
who, prior to the Distribution Date, is on, or begins, a company approved leave
of absence, provided such employment related to the SeraCare Business, until the
earliest of (i) the employee's termination of employment, (ii) the passage of
six months as measured from the employee's last day of active work, or (iii) the
employee is medically released to return to work; or (d) any employee hired by
SeraCare after

                                      -3-
<PAGE>

the Separation Date. The term SeraCare Employee, to the extent used herein
relating to periods prior to the Separation Date, means an individual whose
employment relates to the SeraCare Business.

     Section 1.25 Subsidiary.  "Subsidiary" has the meaning set forth in Section
                  ----------
9.51 of the Separation Agreement.

     Section 1.26 Welfare Plan. "Welfare Plan" has the meaning given to such
                  ------------
term in Section 3(1) of ERISA.

                                  ARTICLE II
                              GENERAL PRINCIPLES

     Section 2.1  Liabilities. Except as specified otherwise in this Agreement
                  -----------
or as mutually agreed upon by Life Sciences and SeraCare, any Liability incurred
with respect to SeraCare Plans by Life Sciences as a Participating Company up to
the Distribution Date shall be borne solely by Life Sciences, and any Liability
incurred with respect to Life Sciences Plans, as then, or in the future, may be
established, will be borne solely by Life Sciences.

     Section 2.2  Establishment of Life Sciences Plans.
                  ------------------------------------

     (a)  Health and Welfare Plans.  As of or prior to the Distribution Date (or
          ------------------------
such other date(s) as SeraCare and Life Sciences may mutually agree), Life
Sciences shall have established Life Sciences Health and Welfare Plans that will
provide coverage for Life Sciences Employees (and their eligible dependents).

     (b)  401(k) Plan. As of or prior to the Distribution Date (or such other
          -----------
date as SeraCare and Life Sciences may mutually agree), Life Sciences shall
establish, or cause to be established, a separate trust, which is intended to be
tax-qualified under Code Section 401(a), to be exempt from taxation under Code
Section 501(a)(1), and to form the Life Sciences 401(k) Plan.

     (c)  Other Plans.  Except as otherwise specified in this Agreement, on and
          -----------
after the Distribution Date, Life Sciences shall adopt such Life Sciences Plans
as it deems appropriate.

     (d)  No Breach. Notwithstanding clauses (a) and (b) above, Life Sciences
          ---------
shall not be in breach of this Agreement if it does not adopt the Life Sciences
Health and Welfare Plans and/or the Life Sciences 401(k) Plan (and/or related
trust) until after the Distribution Date; provided that Life Sciences shall have
made reasonable efforts to establish such plans on or before the Distribution
Date but such plans could not be timely implemented due to circumstances beyond
Life Sciences control.

     Section 2.3  Life Sciences Under No Obligation To Maintain Plans.  Except
                  ---------------------------------------------------
as specified otherwise in this Agreement, nothing in this Agreement shall
preclude Life Sciences, at any time after the Distribution Date, from amending,
merging, modifying, terminating, eliminating, reducing, or otherwise altering in
any respect any Life Sciences Plan, any benefit under any Life Sciences Plan or
any trust, insurance policy or funding vehicle related to any Life

                                      -4-
<PAGE>

Sciences Plans, or any employment or other service arrangement with Life
Sciences Employees, consultants or vendors (to the extent permitted by law and
the terms of such Life Sciences Plan or arrangement).

     Section 2.4  Life Sciences's Participation In SeraCare Plans.
                  -----------------------------------------------

     (a)  Participation In SeraCare Plans. To the extent that Life Sciences is a
          -------------------------------
Participating Company in any SeraCare Plan as of the date hereof, except as
specified otherwise in this Agreement or as SeraCare and Life Sciences may
mutually agree, Life Sciences shall continue to be a Participating Company in
such SeraCare Plan until the Distribution Date.

     (b)  SeraCare's General Obligations As Plan Sponsor. To the extent that
          ----------------------------------------------
Life Sciences is a Participating Company in any SeraCare Plan, SeraCare shall
continue to administer, or cause to be administered, in accordance with its
terms and applicable law, such SeraCare Plan, and shall have the sole and
absolute discretion and authority to interpret the SeraCare Plan, as set forth
therein. Notwithstanding the foregoing, SeraCare may at any time amend, merge,
modify, terminate, eliminate, reduce, or otherwise alter any SeraCare Plan to
the extent permitted by law and the terms of such SeraCare Plan; provided,
however, that SeraCare shall not amend, modify, or otherwise alter any SeraCare
Plan in any manner not required by law that would materially increase Life
Sciences' obligations under such Plan without Life Sciences' prior agreement
(which shall not be unreasonably withheld).

     (c)  Life Sciences' General Obligations As Participating Company.  Life
          -----------------------------------------------------------
Sciences shall perform, with respect to its participation in the SeraCare Plans,
the duties of a Participating Company as set forth in each such Plan or any
reasonable procedures adopted pursuant thereto, including (without limitation):
(i) assistance in the administration of claims, to the extent requested by the
claims administrator of the applicable SeraCare Plan; (ii) reasonable
cooperation with SeraCare Plan auditors, benefit personnel and benefit vendors;
(iii) reasonable preservation of the confidentiality of all financial
arrangements SeraCare has or may have with any vendors, claims administrators,
trustees, service providers or any other entity or individual with whom SeraCare
has entered into an agreement relating to the SeraCare Plans; and (iv)
preservation of the confidentiality of participant information (including,
without limitation, health information in relation to leaves of absence) to the
extent not specified otherwise in this Agreement or required by law.

     (d)  Termination of Participating Company Status.  Effective as of the
          -------------------------------------------
Distribution Date, Life Sciences shall automatically cease to be a Participating
Company in any and all SeraCare Plans.

     Section 2.5  Terms Of Participation By Life Sciences Employees In Life
                  ---------------------------------------------------------
Sciences Plans.
--------------

     (a)  Non-Duplication Of Benefits.  Effective as of the Distribution Date,
          ---------------------------
SeraCare and Life Sciences shall agree on such additional methods and procedures
(if any), including amending the respective Plan documents, as may be necessary
or advisable to prevent Life Sciences Employees from receiving duplicate
benefits from the SeraCare Plans and the Life Sciences Plans.

                                      -5-
<PAGE>

     (b)  Service Credit. With respect to Life Sciences Employees, Life Sciences
          --------------
shall provide that all eligibility and vesting service that, as of the
Distribution Date, were recognized under the corresponding SeraCare Plan shall,
as of the Distribution Date, receive full recognition and credit and be taken
into account under such Life Sciences Plan to the same extent as if such items
occurred under such Life Sciences Plan, except to the extent that duplication of
benefits would result.

                                  ARTICLE III
                           DEFINED CONTRIBUTION PLAN

     Section 3.1  401(k) Plan.
                  -----------

     (a)  401(k) Plan: Assumption Of Liabilities And Transfer Of Assets.
          -------------------------------------------------------------
Effective as of or as soon as administratively practicable after the
establishment of a Life Sciences 401(k) Plan: (i) immediately upon satisfaction
of clause (ii) below, the Life Sciences 401(k) Plan shall assume and be solely
responsible for all Liabilities relating to, arising out of, or resulting from
Life Sciences Employees under the SeraCare 401(k) Plan; and (ii) SeraCare shall
cause the accounts of the Life Sciences Employees under the SeraCare 401(k) Plan
that are held by its related trust to be transferred to the Life Sciences 401(k)
Plan and its related trust, and Life Sciences shall cause such transferred
accounts to be accepted by such Plan and its related trust.

     (b)  No Distribution To Life Sciences Employees. Subject to compliance with
          ------------------------------------------
applicable law and the terms of the SeraCare 401(k) Plan, the SeraCare 401(k)
Plan and the Life Sciences 401(k) Plan shall provide that no distribution of
account balances shall be made to any Life Sciences Employee on account of Life
Sciences ceasing to be an Affiliate of SeraCare as of the Distribution Date.

     (c)  Matching Contributions.  Any matching contributions due after the date
          ----------------------
hereof on behalf of any Life Sciences Employee to either the SeraCare 401(k)
Plan or the Life Sciences 401(k) Plan shall be the sole responsibility of Life
Sciences.  Any matching contributions due after the date hereof on behalf of any
SeraCare Employee to the SeraCare 401(k) Plan shall be the sole responsibility
of SeraCare.

                                  ARTICLE IV
                           HEALTH AND WELFARE PLANS

     Section 4.1  Health Plans As Of The Distribution Date.
                  ----------------------------------------

     (a)  Life Sciences Health Plans. Effective as of the Distribution Date,
          --------------------------
Life Sciences Employees shall cease to be covered under the SeraCare Health
Plans (except to the extent that claims relate to the period for which there was
such coverage), and Life Sciences shall be solely responsible for (i) all
Liabilities incurred with respect to the Life Sciences Health Plans; and (ii)
the administration of the Life Sciences Health Plans, including, without
limitation, the payment of all employer-related costs in establishing and
maintaining the Life Sciences Health Plans, and for the collection and
remittance of employee premiums from such date forward.

                                      -6-
<PAGE>

     (b)  Vendor Arrangements. If requested by Life Sciences and if agreed to by
          -------------------
SeraCare, SeraCare shall use reasonable efforts in assisting Life Sciences to
procure, effective as of the Distribution Date (or such other date(s) as
SeraCare and Life Sciences may mutually agree), Life Sciences Health Plans.

     (c)  No Status Change. Subject to compliance with applicable law and the
          ----------------
terms of the SeraCare Plans and/or the Life Sciences Plans, the transfer or
other movement of employment between SeraCare to Life Sciences at any time upon
or before the Distribution Date shall neither constitute nor be treated as a
"status change" or termination of employment under the SeraCare Health Plans or
the Life Sciences Health Plans.

     (d)  Reimbursement Accounts. This Section 4.1(d) shall apply with respect
          ----------------------
to any Life Sciences Employees ("Covered Employees") who, immediately prior to
the Distribution Date, participated in any flexible spending account feature
(medical or dental reimbursement and/or dependent care assistance) under the
SeraCare 125 Plan. Effective as of or prior to the Distribution Date, Life
Sciences shall establish the Life Sciences 125 Plan. The Life Sciences 125 Plan
shall contain a flexible spending account feature substantially similar to the
flexible spending account feature under the SeraCare 125 Plan. On or as soon as
administratively practicable after the effective date of the Life Sciences 125
Plan, SeraCare shall cause an amount equal to any and all contributions made by
Covered Employees to the flexible spending account feature under the SeraCare
125 Plan which have not be applied towards covered expenses under the SeraCare
125 Plan to be paid in cash in a single lump sum to Life Sciences and,
thereupon, the Covered Employees' flexible spending account claims shall be
assumed by the Life Sciences 125 Plan and SeraCare shall have no further
liability with respect thereto. Life Sciences and SeraCare each agree to use
their reasonable best efforts to accomplish such transfer.

     Section 4.2  Health Plans Through The Distribution Date. Except as
                  ------------------------------------------
otherwise agreed by SeraCare and Life Sciences, for the period beginning with
the Separation Date and ending on the Distribution Date (or such other period as
SeraCare and Life Sciences may mutually agree), Life Sciences Employees shall
continue to participate in the SeraCare Health Plans to the extent they
currently participate in such Plans. SeraCare shall administer and be
responsible for claims incurred under the SeraCare Health Plans by Life Sciences
Employees until the Distribution Date.

     Section 4.3  Group Life Plan.  Life Sciences shall, until the Distribution
                  ---------------
Date (or such other date as SeraCare and Life Sciences may mutually agree),
continue to be a Participating Company in any SeraCare group life insurance plan
or arrangement.

     Section 4.4  COBRA.  SeraCare shall be responsible for providing COBRA
                  -----
continuation coverage (for the applicable period of time as required by law) to
Life Sciences Employees and their eligible dependents who become eligible for
such coverage prior to the Distribution Date.  Effective as of the Distribution
Date, Life Sciences shall be responsible for providing COBRA continuation
coverage to Life Sciences Employees and their eligible dependents who become
eligible for such coverage on and following the Distribution Date.

     Section 4.5  Workers' Compensation Plan.  Effective as of the Separation
                  --------------------------
Date, or such other date as SeraCare and Life Sciences may mutually agree,
SeraCare shall establish at

                                      -7-
<PAGE>

Life Sciences' expense a workers' compensation plan for the benefit of Life
Sciences Employees (the "Separation Date Workers' Compensation Plan"). Effective
as of the Distribution Date, Life Sciences shall establish, terminate or
renegotiate the terms of the Separation Date Workers' Compensation Plan. Any
Liabilities that accrue under the Separation Date Workers' Compensation Plan
shall be Liabilities of Life Sciences.

     Section 4.6  Severance.  SeraCare and Life Sciences agree that individuals
                  ---------
who, on or prior to the Separation Date, in connection with the Separation,
cease to be SeraCare Employees and become Life Sciences Employees shall not be
deemed to have experienced a termination or severance of employment from
SeraCare and its Subsidiaries for purposes of any SeraCare Plan that provides
for the payment of severance, salary continuation or similar benefits.  Life
Sciences shall assume and be solely responsible for all Liabilities of SeraCare
in connection with claims made by or on behalf of Life Sciences Employees in
respect of severance pay, salary continuation and similar obligations relating
to the termination or alleged termination of any such person's employment on or
after the date hereof.

     Section 4.7  Vacation.  SeraCare and Life Sciences agree that all accrued
                  --------
vacation for Life Sciences Employees shall be Life Sciences' obligation.

                                   ARTICLE V
                           ADMINISTRATIVE PROVISIONS

     Section 5.1  Sharing Of Participant Information. SeraCare and Life Sciences
                  ----------------------------------
shall share, or cause to be shared, all participant information that is
necessary or appropriate for the efficient and accurate administration of each
of the SeraCare Plans and the Life Sciences Plans during the respective periods
applicable to such Plans as Life Sciences and SeraCare may mutually agree.
SeraCare and Life Sciences and their respective authorized agents shall, subject
to applicable laws of confidentiality and data protection, be given reasonable
and timely access to, and may make copies of, all information relating to the
subjects of this Agreement in the custody of the other party or its agents, to
the extent necessary or appropriate for such administration.

     Section 5.2  Costs And Expenses.  Each of SeraCare and Life Sciences shall
                  ------------------
bear all of its own costs and expenses, including but not limited to legal and
actuarial fees, in the design, drafting and implementation of any and all plans
and compensation structures which it establishes or creates and the amendment of
its existing plans or compensation structures.

                                  ARTICLE VI
                          EMPLOYMENT-RELATED MATTERS

     Section 6.1  Employment Of Employees With United States Work Visas.  Life
                  -----------------------------------------------------
Sciences Employees with U.S. work visas authorizing them to work for SeraCare
will continue to hold work authorization for SeraCare after the Separation Date.
Life Sciences will request amendments to the nonimmigrant visa status of Life
Sciences Employees with U.S. work visas authorizing them to work for SeraCare so
that such employees may, pursuant to the amended

                                      -8-
<PAGE>

work visas, provide services to Life Sciences. SeraCare shall take all such
actions as Life Sciences may reasonably request to help effect such amendments.

     Section 6.2  Employment Litigation; Claims.  Life Sciences shall have sole
                  -----------------------------
responsibility for all employment-related claims regarding Life Sciences
Employees whenever arising that arise out of facts, acts or omissions relating
to, arising out of, or resulting from their employment with Life Sciences.
SeraCare shall have sole responsibility for all employment-related claims by or
regarding SeraCare Employees.

     Section 6.3  Employment Terminations.  A SeraCare Employee whose
                  -----------------------
employment by SeraCare terminates after the Distribution Date and who is
subsequently employed by Life Sciences shall be deemed to be a Life Sciences
Employee but effective only with respect to the period of time that he or she is
actually employed by Life Sciences after the Distribution Date and any benefits
that correspond to such period of employment (to the extent permitted by law and
the terms of any Life Sciences Plan). A Life Sciences Employee whose employment
by Life Sciences terminates after the Distribution Date and who is subsequently
employed by SeraCare shall be deemed to be a SeraCare Employee but effective
only with respect to the period of time that he or she is actually employed by
SeraCare after the Distribution Date and any benefits that correspond to such
period of employment (to the extent permitted by law and the terms of any
SeraCare Plan).

                                  ARTICLE VII
                           MISCELLANEOUS PROVISIONS

     Section 7.1  Limitation of Liability. IN NO EVENT SHALL EITHER PARTY OR ITS
                  -----------------------
SUBSIDIARIES BE LIABLE TO THE OTHER PARTY OR ITS SUBSIDIARIES FOR ANY SPECIAL,
CONSEQUENTIAL, INDIRECT, INCIDENTAL OR PUNITIVE DAMAGES OR LOST PROFITS, HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY (INCLUDING NEGLIGENCE) ARISING IN ANY WAY
OUT OF THIS AGREEMENT, WHETHER OR NOT SUCH OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.

     Section 7.2  Effect If Separation And/Or Distribution Does Not Occur.  If
                  -------------------------------------------------------
the Separation and/or Distribution does not occur, then all actions and events
that are, under this Agreement, to be taken or occur effective as of the
Separation Date and/or Distribution Date, or otherwise in connection with the
Separation and/or Distribution, shall not be required except to the extent
specifically agreed by Life Sciences and SeraCare.

     Section 7.3  Relationship Of Parties.  Nothing in this Agreement shall be
                  -----------------------
deemed or construed by the parties or any third party as creating the
relationship of principal and agent, partnership or joint venture between the
parties, the understanding and agreement being that no provision contained
herein, and no act of the parties, shall be deemed to create any relationship
between the parties other than the relationship set forth herein.

     Section 7.4  Entire Agreement. This Agreement, the Separation Agreement,
                  ----------------
the other Ancillary Agreements and the Exhibits and Schedules referenced or
attached hereto and thereto, constitute the entire agreement between the parties
with respect to the subject matter hereof and

                                      -9-
<PAGE>

shall supersede all prior written and oral and all contemporaneous oral
agreements and understandings with respect to the subject matter hereof.

     Section 7.5  Dispute Resolution.  Any and all controversies, disputes or
                  ------------------
claims arising out of, relating to, in connection with or resulting from this
Agreement (or any amendment thereto or any transaction contemplated hereby or
thereby), including as to its existence, interpretation, performance, non-
performance, validity, breach or termination, including any claim based on
contract, tort, statute or constitution and any claim raising questions of law,
whether arising before or after termination of this Agreement, shall be deemed a
Dispute as defined in Section 7.6 of the Separation Agreement and shall be
resolved exclusively by, in accordance with, and subject to the limitations set
forth in Section 7.6 of the Separation Agreement.

     Section 7.6  Governing Law. This Agreement shall be construed in accordance
                  -------------
with and all Disputes hereunder shall be governed by the laws of the State of
California, excluding its conflict of law rules.  The Superior Court of San
Diego County and/or the United States District Court for the Southern District
of California, San Diego Division, shall have jurisdiction and venue over all
Disputes between the parties, subject to the provisions of Section 7.6 of the
Separation Agreement.

     Section 7.7  Notices.  Any notice, demand, offer, request or other
                  -------
communication required or permitted to be given by either party pursuant to the
terms of this Agreement shall be in writing and shall be deemed effectively
given the earlier of (i) when received, (ii) when delivered personally, (iii)
one (1) Business Day after being delivered by facsimile (with receipt of
appropriate confirmation), (iv) one (1) Business Day after being deposited with
an overnight courier service or (v) four (4) days after being deposited in the
U.S. mail, First Class with postage prepaid, and addressed to the attention of
the party's Chief Executive Officer at the address of its principal executive
office or such other address as a party may request by notifying the other party
thereof in writing.

     Section 7.8  Counterparts. This Agreement, including the Schedules hereto
                  ------------
and the other documents referred to herein, may be executed in counterparts via
facsimile or otherwise, each of which shall be deemed to be an original but all
of which shall constitute one and the same agreement.

     Section 7.9  Binding Effect; Assignment.  This Agreement shall inure to the
                  --------------------------
benefit of and be binding upon the parties hereto and their respective legal
representatives and successors, and nothing in this Agreement, express or
implied, is intended to confer upon any other Person any rights or remedies of
any nature whatsoever under or by reason of this Agreement.  Except as herein
specifically provided to the contrary, neither party may assign this Agreement
or any rights or obligations hereunder, without the prior written consent of the
other party, and any such assignment shall be void; provided, however, that
either party (or its permitted successive assignees or transferees hereunder)
may assign or transfer this Agreement as a whole without consent to an entity
that succeeds to all or substantially all of the business or assets of such
party to which this Agreement relates.

                                     -10-
<PAGE>

     Section 7.10 Severability.  The parties hereto have negotiated and prepared
                  ------------
the terms of this Agreement in good faith with the intent that each and every
one of the terms, covenants and conditions herein be binding upon and inure to
the benefit of the respective parties.  Accordingly, if any one or more of the
terms, provisions, promises, covenants or conditions of this Agreement or the
application thereof to any person or circumstance shall be adjudged to any
extent invalid, unenforceable, void or voidable for any reason whatsoever by a
court of competent jurisdiction, such provision shall be as narrowly construed
as possible, and each and all of the remaining terms, provisions, promises,
covenants and conditions of this Agreement or their application to other persons
or circumstances shall not be affected thereby and shall be valid and
enforceable to the fullest extent permitted by law.  To the extent this
Agreement is in violation of applicable law, then the parties agree to negotiate
in good faith to amend the Agreement, to the extent possible consistent with its
purposes, to conform to law.

     Section 7.11 Waiver of Breach.  The waiver by either party hereto of a
                  ----------------
breach or violation of any provision of this Agreement shall not operate as, or
be construed to constitute, a waiver of any subsequent breach of the same or
another provision hereof.

     Section 7.12 Authority.  Each of the parties hereto represents to the other
                  ---------
that (a) it has the corporate or other requisite power and authority to execute,
deliver and perform this Agreement, (b) the execution, delivery and performance
of this Agreement by it have been duly authorized by all necessary corporate or
other actions, (c) it has duly and validly executed and delivered this
Agreement, and (d) this Agreement is a legal, valid and binding obligation,
enforceable against it in accordance with its terms subject to applicable
bankruptcy, insolvency, reorganization, moratorium or other similar laws
affecting creditors' rights generally and general equity principles.

     Section 7.13 Descriptive Headings.  The headings contained in this
                  --------------------
Agreement, in any Exhibit or Schedule hereto and in the table of contents to
this Agreement are for reference purposes only and shall not affect in any way
the meaning or interpretation of this Agreement. Any capitalized term used in
any Schedule or Exhibit but not otherwise defined therein, shall have the
meaning assigned to such term in this Agreement. When a reference is made in
this Agreement to an Article or a Section, Exhibit or Schedule, such reference
shall be to an Article or Section of, or an Exhibit or Schedule to, this
Agreement unless otherwise indicated.

     Section 7.14 Gender and Number.  Whenever the context of this Agreement
                  -----------------
requires, the gender of all words herein shall include the masculine, feminine
and neuter, and the number of all words herein shall include the singular and
plural.

     Section 7.15 Additional Assurances.  Except as may be specifically provided
                  ---------------------
herein to the contrary, the provisions of this Agreement shall be self-operative
and shall not require further agreement by the parties; provided, however, at
the request of either party, the other party shall execute such additional
instruments and take such additional acts as are reasonable, and as the
requesting party may reasonably deem necessary, to effectuate this Agreement.

     Section 7.16 Amendment.  Life Sciences and SeraCare may mutually agree to
                  ---------
amend the provisions of this Agreement at any time or times, for any reason,
either prospectively or retroactively, to such extent and in such manner as the
parties mutually deem advisable.  No

                                     -11-
<PAGE>

change or amendment will be made to this Agreement, except by an instrument in
writing signed by authorized individuals.

     Section 7.17 Force Majeure. Neither party shall be liable or deemed to be
                  -------------
in default for any delay or failure in performance under this Agreement or other
interruption of service deemed to result, directly or indirectly, from acts of
God, civil or military authority, acts of public enemy, war, accidents,
explosions, earthquakes, floods, failure of transportation, strikes or other
work interruptions by either party's employees, or any other similar cause
beyond the reasonable control of either party unless such delay or failure in
performance is expressly addressed elsewhere in this Agreement.

                                     -12-
<PAGE>

     IN WITNESS WHEREOF, each of the parties have caused this Agreement to be
executed on its behalf by its officers thereunto duly authorized on the day and
year first above written.

SERACARE, INC.                          SERACARE LIFE SCIENCES, INC.

By:    /s/ Barry Plost                  By:    /s/ Jerry L. Burdick
       ---------------------------             -------------------------------
Name:  Barry Plost                      Name:  Jerry L. Burdick
Title: Chief Executive Officer          Title: Executive Vice President

                [SIGNATURE PAGE TO EMPLOYEE MATTERS AGREEMENT]

                                     -13-

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