HUMAN GENOME SCIENCES INC
10-Q, 1997-08-14
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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================================================================================

                                    FORM 10-Q


                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                    For quarterly period ended June 30, 1997
                         Commission File Number 0-22962

                           HUMAN GENOME SCIENCES, INC.
                           (Exact name of registrant)

      Delaware                                         22-3178468
 (State of organization)                 (I.R.S. Employer Identification Number)

              9410 Key West Avenue, Rockville, Maryland 20850-3331
              (Address of principal executive offices and zip code)

                                 (301) 309-8504
                         (Registrant's telephone Number)

         Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days.

                              Yes    X          No

The number of shares of the  registrant's  common stock  outstanding on July 31,
1997 was 22,174,613.


================================================================================

<PAGE>



                                TABLE OF CONTENTS


                                                                          Page
                                                                          Number
    PART I.  FINANCIAL INFORMATION

    Item 1.  Financial Statements

             Statements of Operations for the three and six months
                 ended June 30, 1997 and 1996...........................     3

             Balance Sheets at June 30, 1997 and December 31, 1996......     4

             Statements of Cash Flows for the six months
                 ended June 30, 1997 and 1996...........................     5

             Notes to Financial Statements..............................     6

    Item 2.  Management's Discussion and Analysis of
                 Financial Condition and Results of Operations..........     7


   PART II.  OTHER INFORMATION

    Item 4.  Submission of Matters to a Vote of Security Holders........     9

    Item 5.  Other Information..........................................    10

    Item 6.  Exhibits and Reports on Form 8-K...........................    10

             Signatures.................................................    11

                                                                         Exhibit
             Exhibit Index.............................................. Volume


                                        2

<PAGE>



                          PART I. FINANCIAL INFORMATION
                           HUMAN GENOME SCIENCES, INC.
                            STATEMENTS OF OPERATIONS

<TABLE>
<CAPTION>
                                             Three months ended June 30,              Six months ended June 30,
                                              1997                1996                 1997               1996
                                         ---------------     ---------------     ----------------    ---------------
                                            (dollars in thousands, except           (dollars in thousands, except
                                                  per share amounts)                     per share amounts)
                                         -----------------------------------     -----------------------------------
<S>                                      <C>                 <C>                 <C>                 <C>            
Revenue - research and development
     collaborative contracts............ $        14,828     $        13,050     $         16,100    $        26,984

Costs and expenses:
     Research and development:
         Direct expenditures............           9,043               6,978               17,951             13,469
         Payments under research
              services agreement........
                                                   2,655               2,513                6,119              5,034
                                         ---------------     ---------------     ----------------    ---------------

Total research and development..........          11,698               9,491               24,070             18,503

General and administrative..............           2,898               2,379                5,287              4,402
                                         ---------------     ---------------     ----------------    ---------------

         Total costs and expenses.......          14,596              11,870               29,357             22,905
                                         ---------------     ---------------     ----------------    ---------------

Income (loss) from operations...........             232               1,180              (13,257)             4,079

Interest income.........................           2,942               1,603                4,618              3,189

Interest expense........................             (56)               (103)                (284)              (211)
                                         ---------------     ---------------     ----------------    ---------------

Income (loss) before taxes..............           3,118               2,680               (8,923)             7,057

Provision (benefit) for income taxes....             245                  51                  245                141
                                         ---------------     ---------------     ----------------    ---------------

NET INCOME (LOSS)....................... $         2,873     $         2,629     $         (9,168)   $         6,916
                                         ===============     ===============     ================    ===============

NET INCOME (LOSS) PER SHARE............. $          0.13     $          0.13     $          (0.44)   $          0.35
                                         ===============     ===============     ================    ===============

Weighted average shares outstanding.....      22,723,247          19,599,038           20,770,145         19,537,641
                                         ===============     ===============     ================    ===============
</TABLE>


                See accompanying notes to financial statements.

                                        3

<PAGE>
                           HUMAN GENOME SCIENCES, INC.
                                 BALANCE SHEETS


<TABLE>
<CAPTION>
                                                       ASSETS
                                                                                   June 30,          December 31,
                                                                                     1997                1996
                                                                               ----------------   ------------------
                                                                                      (dollars in thousands)
<S>                                                                            <C>                <C>               
Current assets:
     Cash and cash equivalents ............................................... $        113,981   $           27,341
     Short-term investments...................................................           94,582               58,282
     Prepaid expenses and other current assets................................           13,658                2,935
                                                                               ----------------   ------------------

         Total current assets.................................................          222,221               88,558
Long term investments.........................................................                0               30,493
Furniture and equipment (net of accumulated depreciation).....................           18,769               18,031
Restricted investments........................................................            1,417                1,705
Other assets..................................................................            1,146                1,330
                                                                               ----------------   ------------------
         TOTAL................................................................ $        243,553   $          140,117
                                                                               ================   ==================

                                                    LIABILITIES

Current liabilities:
     Current portion of long-term debt........................................ $            444   $              444
     Accounts payable and accrued expenses....................................            2,491                3,361
     Accrued payroll and related taxes........................................            1,707                1,120
     Current obligation under capital leases..................................              590                  811
     Deferred income..........................................................            2,999                2,537
                                                                               ----------------   ------------------
         Total current liabilities............................................            8,231                8,273
Long-term debt, net of current portion........................................            2,668                2,668
Obligations under capital leases, net of current portion......................                0                  286
Other liabilities.............................................................              354                  369
                                                                               ----------------   ------------------
         TOTAL................................................................           11,253               11,596

                                                STOCKHOLDERS' EQUITY

Common stock..................................................................              222                  188
Additional paid-in capital....................................................          275,578              162,583
Unrealized gain (loss) on investments available for sale......................             (203)                (121)
Retained earnings (deficit)...................................................          (43,297)             (34,129)
                                                                               ----------------   ------------------
         Total stockholders' equity...........................................          232,300              128,521
                                                                               ----------------   ------------------
         TOTAL................................................................ $        243,553   $          140,117
                                                                               ================   ==================
</TABLE>

                See accompanying notes to financial statements.


                                        4

<PAGE>

                           HUMAN GENOME SCIENCES, INC.
                            STATEMENTS OF CASH FLOWS


<TABLE>
<CAPTION>
                                                                                             Six months ended
                                                                                                 June 30,
                                                                                           1997           1996
                                                                                      -------------- ---------------
                                                                                          (dollars in thousands)
<S>                                                                                      <C>           <C>         
CASH FLOWS FROM OPERATING ACTIVITIES:
    Net (loss) income.................................................................   $   (9,168)   $      6,916

    Adjustments to  reconcile  net (loss)  income to net cash used in  operating
        activities:
        Accrued interest on U.S. Treasury bills and commercial paper..................         (110)           (536)
        Depreciation..................................................................        3,145           2,766
        Loss (gain) due to disposal and write-down of fixed assets....................          (10)             66
        Issuance of and accretion of compensatory stock and warrants..................            0             339
        Changes in operating assets and liabilities:
           Prepaid expenses and other current assets..................................      (10,394)        (11,559)
           Other assets...............................................................          184              (1)
           Accounts payable and accrued expenses......................................         (630)           (300)
           Accrued payroll and related taxes..........................................          587             490
           Deferred income............................................................          462             (50)
           Income taxes payable.......................................................            0             141
           Other liabilities..........................................................          (15)             14
                                                                                      -------------- ---------------
        Net cash used in operating activities.........................................      (15,949)         (1,714)

CASH FLOWS FROM INVESTING ACTIVITIES:
    Capital expenditures - furniture and equipment....................................       (4,113)         (4,459)
    Purchase of short-term investments and marketable securities......................      (60,127)        (89,135)
    Proceeds from sales and maturities of short-term investments......................       54,020          73,624
                                                                                      -------------- ---------------
        Net cash used in investing activities.........................................      (10,220)        (19,970)

CASH FLOWS FROM FINANCING ACTIVITIES:
    Collateral on line of credit - restricted.........................................          287             301
    Payments on capital lease obligations.............................................         (507)           (632)
    Proceeds from issuance of common stock (net of expenses)..........................      113,028          18,747
                                                                                      -------------- ---------------
        Net cash provided by financing activities.....................................      112,808          18,416
                                                                                      -------------- ---------------

NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS: ................................       86,639          (3,268)

Cash and cash equivalents - beginning of period.......................................       27,341          39,853
                                                                                      -------------- ---------------

CASH AND CASH EQUIVALENTS - END OF PERIOD.............................................$     113,980 $        36,585
                                                                                      ============== ===============

Supplemental  disclosures of cash flow information:  Cash paid during the period
    for:
        Interest......................................................................$        129 $           100
        Income taxes..................................................................           0               0
</TABLE>

                 See accompanying notes to financial statements.

                                        5

<PAGE>

                          NOTES TO FINANCIAL STATEMENTS

NOTE 1.    INTERIM FINANCIAL STATEMENTS


The  accompanying  financial  statements  of Human Genome  Sciences,  Inc. ( the
"Company") have not been audited by independent auditors, except for the balance
sheet at December  31, 1996.  In the opinion of the  Company's  management,  the
financial  statements  reflect all  adjustments  necessary to present fairly the
results of  operations  for the three and six month  periods ended June 30, 1997
and 1996, the Company's  financial position at June 30, 1997, and the cash flows
for the six month periods ended June 30, 1997 and 1996. These adjustments are of
a normal recurring nature.

Certain  notes and other  information  have been  condensed  or omitted from the
interim  financial  statements  presented in this Quarterly report on Form 10-Q.
Therefore  these  financial  statements  should be read in conjunction  with the
Company's 1996 Annual Report on Form 10-K.

The results of  operations  for the three and six month  periods  ended June 30,
1997 are not necessarily indicative of future financial results.

NOTE 2.  PUBLIC  OFFERING OF COMMON STOCK

The Company  completed in March 1997 a public  offering of  3,000,000  shares of
Common Stock at $37.00 per share for total net proceeds of approximately  $105.0
million.  The  Company  subsequently  sold in April 1997 an  additional  192,750
shares of Common Stock at $37.00 per share pursuant to an over-allotment  option
granted to the  underwriters.  The sale of additional shares increased total net
proceeds to approximately $113.0 million.

NOTE 3.  EARNINGS PER SHARE

In February 1997, the Financial  Accounting Standards Board issued Statement No.
128,  Earnings  per Share,  which is required to be adopted in the  December 31,
1997 financial statements.  At that time, the Company will be required to change
the method currently used to compute earnings per share and to restate all prior
periods.  Under the new requirements for calculating primary earnings per share,
the dilutive  effect of stock options will be excluded.  The impact of Statement
No. 128 on the  calculation of fully diluted  earnings per share is not expected
to be material.

                                        6

<PAGE>

                     MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                  FINANCIAL CONDITION AND RESULTS OF OPERATIONS

            THREE AND SIX MONTH PERIODS ENDED JUNE 30, 1997 AND 1996.

RESULTS OF OPERATIONS

    Revenues.  The Company had  revenues of $14.8  million for the three  months
ended June 30, 1997 compared with revenues of $13.1 million for the three months
ended June 30, 1996.  Revenues for the three months ended June 30, 1997 and June
30, 1996 consisted primarily of $7.5 million in annual license fees and research
payments from Schering Corporation and Schering-Plough Ltd.  (collectively "SP")
pursuant to collaboration agreements entered into June 28, 1996 and $4.5 million
in annual  license  fees and  research  payments  from  Synthelabo  pursuant  to
collaboration  agreements  entered into June 30, 1996.  For the six months ended
June 30, 1997, revenues were $16.1 million compared to $27.0 million for the six
month period ended June 30, 1996. The 1997 revenue consisted of $12.0 million in
annual  license  fees  and  research  payments  from  collaboration  with SP and
Synthelabo  and $4.1 million in license fees and  milestone  payments from other
collaborators. The 1996 revenue consisted of $6.9 million for the achievement of
Milestone III pursuant to the  Collaboration  Agreement with SmithKline  Beecham
("SB"),  $8.1 million in license fees and milestone payments from collaborations
with Pioneer Hi-Bred  International,  Inc.  ("Pioneer") and F. Hoffmann-La Roche
("Roche")  entered  in the first  quarter  of 1996 and $12.0  million  in annual
license fees and research payments from  collaborations  with SP and Synthelabo.
The Company  expects that its revenues may be limited to annual license fees and
research  payments from SP, Synthelabo and Merck KGaA over the next three years,
interest  income,  payments under existing  collaboration  agreements  which are
contingent on meeting certain product  milestones,  license fees,  proceeds from
the sale of rights and other  payments  from other  collaborators  and licensees
under  existing or future  arrangements,  to the extent that the Company  enters
into any such further arrangements.

    Expenses.  Research and development  expenses increased to $11.7 million for
the three  months  ended June 30, 1997 from $9.5  million  for the three  months
ended June 30,  1996.  For the six  months  ended June 30,  1997,  research  and
development  expenses  increased to $24.1 million from $18.5 million for the six
months ended June 30, 1996. The Company's  payments to The Institute for Genomic
Research  ("TIGR")  were $2.6  million  and $6.1  million  for the three and six
months  ended June 30, 1997 and $2.5  million and $5.0 million for the three and
six months ended June 30, 1996. (See Item 5: Other  Information).  The Company's
direct  expenditures for research and development  increased to $9.0 million for
the three  months  ended June 30, 1997 from $7.0  million  for the three  months
ended June 30, 1996 and increased to $18.0 million for the six months ended June
30,  1997 from $13.5  million  for the six months  ended  June 30,  1996.  These
increases resulted  primarily from significant  expansions in the Company's cell
biology,  protein  expression  and  pharmacology  departments  and  reflect  the
Company's  increasing  emphasis on  determining  the  biological  functions  and
possible medical  utilities of genes and proteins  discovered as a result of the
Company's gene discovery efforts.  Expenses will continue to increase in support
of research and development on HGS potential  products and in support of the new
collaborations.

    General and administrative  expenses increased to $2.9 million for the three
months ended June 30, 1997 from $2.4 million for the three months ended June 30,
1996 and  increased  to $5.3 million for the six months ended June 30, 1997 from
$4.4  million for the six months  ended June 30,  1996.  The  increase  resulted
primarily  from  significantly  higher legal expenses  associated  with filing a
larger number of patent  applications  relating to genes and proteins discovered
by the Company.  Interest income was significantly  higher for the three and six
months  ended June 30, 1997  compared to the three and six months ended June 30,
1996 due to higher cash balances.

    Net Income.  The Company  recorded net income of $2.9 million,  or $0.13 per
share,  for the three months ended June 30, 1997  compared to net income of $2.6
million,  or $0.13 per share,  for the three months ended June 30, 1996. For the
six months ended June 30, 1997, the Company reported a net loss of $9.2 million,
or $0.44 per share,  compared to net income of $6.9 million, or $0.35 per share,
for the six months ended June 30, 1996.  The  difference  in results for the six
months ended June 30, 1997 and 1996 is primarily due to the higher revenues from
license fees and research payments received during the six months ended June 30,
1996, and higher expenses incurred during the six months ended June 30, 1997.



                                        7

<PAGE>

LIQUIDITY AND CAPITAL RESOURCES

    The Company had working  capital plus long-term  investments,  which include
obligations  of the U.S.  government  and corporate  bonds that have  maturities
greater than 12 months from the balance  sheet date,  of $214.0  million at June
30, 1997 as  compared  to $110.8  million at December  31,  1996.  The  increase
resulted from the sale of 3,192,750  shares of Common Stock in a public offering
for $37.00 per share for net proceeds of approximately  $113.0 million offset by
the net loss generated during the six months, capital expenditures, and payments
on capitalized leases.

    The Company expects to continue to incur  substantial  expenses  relating to
its research and  development  efforts,  which expenses are expected to increase
relative to historical levels as the Company focuses on preclinical and clinical
trials required for the development of therapeutic  protein product  candidates.
At June 30, 1997, the Company had outstanding  commitments for  construction and
equipment  purchases  totaling  approximately  $0.9  million.  In addition,  the
Company is planning the  construction  of a pilot scale  production  and process
development facility and has entered into a preliminary financing agreement with
respect to $30.0 million of the estimated  $40.0  million  construction  cost of
such facility.  The Company  expects to finance the remaining $10.0 million with
equipment  leases.  There can be no  assurance  that the Company will be able to
obtain such  financing on terms  acceptable  to the  Company,  or at all. In the
event that  financing is not  available  on  acceptable  terms,  the Company may
determine  to use its own  capital  resources  to finance all or part of the $40
million cost of the facility.

    The Company expects that its existing funds,  interest income, and committed
license fees and research payments from existing  collaboration  agreements will
be sufficient to fund the Company's  operations for the foreseeable  future. The
Company's  future capital  requirements  and the adequacy of its available funds
will depend on many factors,  including  scientific progress in its research and
development  programs,  the  magnitude  of those  programs,  the  ability of the
Company to establish collaborative and licensing arrangements, the cost involved
in preparing,  filing, prosecuting,  maintaining and enforcing patent claims and
competing technological and market developments.

    The Company's funds are currently  invested in U.S.  Treasury and government
agency  obligations,  investment-  grade commercial  paper and  interest-bearing
securities.   Such  investments  reflect  the  Company's  policy  regarding  the
investment  of  liquid  assets,  which is to seek a  reasonable  rate of  return
consistent with an emphasis on safety, liquidity and preservation of capital. As
a result of the Company's  completion of its public offering of 3,192,750 shares
of  Common  Stock  in  1997,   the   Company's   management   has  reviewed  its
classification  of  marketable  securities  and has  classified  all  marketable
securities as short-term.  This classification  reflect management's belief that
these securities are available for current operations based on current operating
activities and future business plans.

SAFE HARBOR STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995

    Certain  statements  contained in "Management's  Discussions and Analysis of
Financial Condition and Results of Operations",  including statements concerning
future   collaboration   agreements,   royalties   and  other   payments   under
collaboration agreements, and product development and sales and other statements
are forward looking statements,  as defined in the Private Securities Litigation
Reform Act of 1995. Actual results may differ materially from those projected in
the forward looking statements as a result of risks and uncertainties, including
but not limited to, the following: the scientific progress of the Company in its
research and development programs;  the magnitude of these programs; the ability
of the Company to establish additional collaborative and licensing arrangements;
the extent to which the Company engages in clinical  development of any products
of its own; the scope and results of pre-clinical  testing and clinical  trials;
the time and  costs  involved  in  obtaining  regulatory  approvals;  the  costs
involved in preparing,  filing,  prosecuting,  maintaining and enforcing  patent
claims; competing technological and market developments;  and whether conditions
to milestone  payments are met and the timing of such payments,  and other risks
and  uncertainties  detailed  elsewhere  herein  and  from  time  to time in the
Company's filings with the Securities and Exchange Commission.


                                        8

<PAGE>

                           PART II. OTHER INFORMATION


ITEM 4.      SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

    At the Company's Annual Meeting of  Shareholders,  held on May 14, 1997, the
 following members were elected to the Board of Directors:

                                          Affirmative                  Votes
                                             Votes                    Withheld
                                             -----                    --------

       TERMS EXPIRING IN 2000
William A. Haseltine, Ph.D.               13,171,993                   24,224
Melvin D. Booth                           13,172,693                   23,524
Robert D. Hormats                         13,172,693                   23,524
Joshua Ruch                               13,172,693                   23,524
       TERMS EXPIRING IN 1999
James H. Cavanaugh, Ph.D.                 13,172,693                   23,524
Max Link, Ph.D.                           13,172,193                   24,024
Craig Rosen                               13,172,693                   23,524
Beverly Sills Greenough                   13,172,593                   23,624
       TERMS EXPIRING IN 1998
Robert A. Armitage                        13,172,693                   23,524
Donald D. Johnston                        13,172,593                   23,624
James B. Wyngaarden, M.D.                 13,172,693                   23,524

The  following  proposals  were  approved  at the  Company's  Annual  meeting of
Shareholders:

<TABLE>
<CAPTION>
                                                         Affirmative             Negative
                                                            Votes                  Votes             Abstentions
                                                     ------------------       ---------------     -----------------
<S>                                                      <C>                    <C>                  <C>   
1.  Approval of the amendment to the 1994 Stock
    Option Plan to increase the number of                12,713,824               433,473              48,920
    shares available for issuance from
    2,450,000 to 3,450,000.
2.  Approval of amendments to the Certificate
    of Incorporation to provide for the
    classification of the Company's Board of             10,912,496              2,259,136             24,585
    Directors into three classes and certain
    related matters.
3.  Ratification of the selection of Ernst &
    Young, LLP as the Company's independent
    auditors for the fiscal year ending
    December 31, 1997.                                   13,173,238                6,499               16,480

</TABLE>

                                        9

<PAGE>

ITEM 5.        OTHER INFORMATION

               In June 1997, The Institute for Genomic Research ("TIGR") and HGS
           reached an  agreement to terminate  the Research  Services  Agreement
           dated October 1, 1992,  the  Intellectual  Property  Agreement  dated
           October 1, 1992,  the Lease Funding  Agreement and  Assignment  dated
           March 2, 1993,  the  HGS/TIGR  Agreement of April 19, 1993 related to
           human cDNA sequencing, and all other agreements entered into any time
           prior to the Termination Date between the Company and TIGR.  Pursuant
           to  the  Termination   Agreement,   the  Company  retains  rights  in
           intellectual  property  arising out of TIGR's  research prior to June
           20, 1997, but will have no rights to intellectual  property resulting
           from  future  research  by  TIGR.  The  Company  is  relieved  of its
           obligation to provide future funding  (including all research funding
           and  lease   funding)  to  TIGR,   which   would  have   amounted  to
           approximately   $38.2   million.   Certain   limitations   on  TIGR's
           publication  of  intellectual   property  and  restrictions  on  TIGR
           entering into commercial agreements contained in the prior agreements
           were also terminated. However, pursuant to the Termination Agreement,
           TIGR has agreed not to enter into commercial  agreements for the next
           four years on selected therapeutic proteins and associated diagnostic
           tests in development by the Company. In addition, the Company will be
           entitled to be paid a percentage of certain payments received by TIGR
           from commercial  agreements relating to human therapeutic proteins in
           which TIGR grants or agrees to grant rights within two years.

               In July 1997, the Collaboration Agreement with SmithKline Beecham
           Corporation  ("SB") was  amended  with  respect  to human  diagnostic
           products based on the Company's  human gene  technology.  The amended
           agreement  simplified  procedures  for outlicense by SB of diagnostic
           products based on the Company's human gene  technology.  In addition,
           the  new  agreement   permits  the  Company  to  develop  and  market
           diagnostic tests that correspond to therapeutic products developed by
           the Company  pursuant to its  collaboration  agreement with SB and to
           outlicense  diagnostic tests  corresponding  to therapeutic  products
           outlicensed by the Company. Under the new agreement, SB has agreed to
           pay a royalty to the Company  which is at a rate that is  competitive
           in the diagnostic field on diagnostic products based on the Company's
           human  gene  technology  sold or  outlicensed  by SB.  Except for the
           modifications  relating to human  diagnostic  products,  this amended
           agreement  has no effect on the  existing  collaboration  between the
           Company  and SB,  nor  does  it  have  any  effect  on  collaboration
           agreements with the Company's and SB's collaboration partners.

ITEM 6.    EXHIBITS AND REPORTS ON FORM 8-K

           (a)  Exhibits

10.1++           HGS/TIGR Agreement dated June 20, 1997.
10.2++           Amendment to  SmithKline  Beecham  Corporation  and  SmithKline
                 Beecham p.l.c.  and Human Genome Sciences,  Inc.  Collaboration
                 Agreement dated July 24, 1997.
11.1             Computation of per share data.
27.1             Financial data schedule.

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


          ++   Confidentiality  treatment has been requested.  The copy filed as
               an exhibit omits the information  subject to the  confidentiality
               request.

           (b) Reports on Form 8-K

           None.


                                       10

<PAGE>

                                   SIGNATURES


         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  registrant  has duly  caused  this report to be signed on its behalf by the
undersigned thereunto duly authorized.


                               HUMAN GENOME SCIENCES, INC.



                               BY:   /s/   MELVIN D. BOOTH
                                     ----------------------------------------
                                       Melvin D. Booth
                                       President and Chief Operating  Officer




                               BY:   /s/ STEVEN C. MAYER
                                     ----------------------------------------
                                       Steven C. Mayer
                                       Senior Vice President and
                                          Chief Financial Officer




Dated:  August 14, 1997

                                       11

<PAGE>



                                  EXHIBIT INDEX




         Page
Exhibit
- -------
         Number
         ------


10.1++           HGS/TIGR Agreement dated June 20, 1997.
10.2++           Amendment to  SmithKline  Beecham  Corporation  and  SmithKline
                 Beecham p.l.c.  and Human Genome Sciences,  Inc.  Collaboration
                 Agreement dated July 24, 1997.
11.1             Computation of per share data.
27.1             Financial data schedule.

          -----------------------------------
          ++     Confidentiality treatment has been requested. The copy filed as
                 an exhibit omits the information subject to the confidentiality
                 request.







                               HGS/TIGR AGREEMENT

            This Agreement,  dated June 20, 1997 (the "Termination Date"), is by
and between Human Genome Sciences, Inc. ("HGS"), a Delaware corporation,  having
its principal  place of business at 9410 Key West Avenue,  Rockville,  Maryland,
and The  Institute  for Genomic  Research  ("TIGR"),  a Maryland  not-for-profit
corporation,  having its  principal  place of  business at 9712  Medical  Center
Drive, Rockville, Maryland. The parties hereby agree:

1. As of the Termination Date, the Research Services  Agreement dated October 1,
1992,  the  Intellectual  Property  Agreement  dated October 1, 1992,  the Lease
Funding Agreement and Assignment dated March 2, 1993, the HGS/TIGR  Agreement of
April 19,  1993  related  to human  cDNA  sequencing,  and all other  agreements
entered  into any time prior to the  Termination  Date between HGS and TIGR (the
"Prior Agreements") are hereby terminated in full,  notwithstanding any survival
provisions  thereof  (including  Section  11.2  of  the  Intellectual   Property
Agreement and Section 13.3 of the Research Services Agreement).

2. Except as provided in the letter  attached as Exhibit 1 and Section 12, as of
the  Termination  Date, HGS shall have no further  obligation to provide funding
(including  all  research  funding and lease  funding) to TIGR,  and TIGR hereby
acknowledges that it has received all funding owed to TIGR by HGS for activities
performed prior to the Termination Date.

3. TIGR hereby  agrees to review within two months of the  Termination  Date its
records  and  archives to insure that all  sequencing  data and all  Information
related to bioinformatics  software  obligated to be transferred to HGS prior to
the Termination  Date pursuant to the Prior  Agreements have been transferred to
HGS,  and to  warrant  that all such  sequencing  data  have  been  transferred.
Notwithstanding TIGR's obligation to transfer such sequencing data, in the event
that such  sequencing  data are not  transferred to HGS, TIGR hereby assigns and
agrees to assign all patent  rights to any  invention or discovery  derived from
the use of such sequencing data that was not so transferred.

4. TIGR and HGS will prepare mutually agreed upon press releases  announcing the
termination  of the Prior  Agreements  and will  prepare a mutually  agreed upon
Question & Answer ("Q&A") document for responding to press questions. Other than
the mutually  agreed upon press  releases and Q&A,  neither  party will make any
public announcement concerning the terms of this agreement or the termination of
the Prior Agreements which is inconsistent with the press releases or the Q&A.

5. TIGR and HGS agree not to  disparage,  malign or  otherwise  make  statements
critical  of the other  party or its  affiliates,  its  stockholders,  officers,
directors,  trustees,  agents, employees or representatives in public or private
statements.  Each party shall use its best efforts to advise its affiliates, its
stockholders,    officers,   directors,    trustees,   agents,   employees   and
representatives  not to disparage,  malign or otherwise make statements critical
of the other party in public or private statements.

6. TIGR and HGS agree not to solicit or hire any  current  employee of the other
for a period of two years from the Termination  Date without the written consent
of the other. For the purpose of this agreement,  general solicitations directed
to the public (e.g.,  advertisements in newspapers or scientific journals) shall
not be considered solicitation.

7. The  publishing  limitations  contained in the Prior  Agreements  relating to
unpublished  Information,  Inventions  or TIGR  Material  shall  cease as of the
Termination


<PAGE>



Date,  except  that TIGR shall not make  public or publish  sequencing  data for
[***] prior to [***].

8. TIGR will use its best  efforts  to obtain  funding,  and if such  funding is
received,  to complete the  sequencing of [***] and shall  forward  promptly the
results of that sequencing (including all bioinformatics  analysis) to HGS. TIGR
grants  and  agrees  to  grant  a   non-exclusive   non-cancelable,   worldwide,
royaltyfree right and license to make, have made, import,  sell or offer to sell
products under any patent rights resulting from such sequencing. TIGR agrees not
to make public or publish such sequencing data until [***] or until two business
days after disclosure of such results to HGS, whichever is later.

9. For a period of four years  after the  Termination  Date,  TIGR agrees not to
enter  into  any  commercial  agreement,  solicit  or  receive  governmental  or
not-for-profit  grants,  or  otherwise  perform any  research,  development,  or
commercial  activities,  in each case if such  agreement,  grant or  activity is
targeted to the sequencing or therapeutic activity of any Designated Therapeutic
Protein or Related Diagnostic.  For the purposes of this agreement,  Therapeutic
Protein  shall mean a  polypeptide  derived from a human cDNA or a human gene or
genes or any  portion  of such cDNA,  gene or genes,  which  polypeptide  may be
useful for the  treatment  or  prevention  of a disease or  disorder  in humans.
Related Diagnostic shall mean any product,  process,  substance,  composition or
service  that is intended to  predict,  detect or identify a human  disease or a
pathologic  condition  in a human by  determining  the  presence,  abundance  or
absence of a Designated Therapeutic Protein. A Designated Therapeutic Protein is
a  Therapeutic  Protein  for which HGS has an active  research,  development  or
commercialization  program and has so notified TIGR in writing. At any one time,
the  maximum  number  of  Designated   Therapeutic   Proteins   subject  to  the
restrictions  of this  section  shall  be  [***],  except  that  any  Designated
Therapeutic  Protein that enters clinical trials on behalf of HGS or which is at
the time the  subject of a specific  license to a third party under a pending or
issued  patent  for  research,  development  or  commercialization  shall not be
included within the maximum number of Designated Therapeutic Proteins. HGS shall
also be  free  to  name a  substitute  Designated  Therapeutic  Protein  for any
Therapeutic  Protein  already  designated.  In the event  that (i) a  Designated
Therapeutic Protein is substituted for, or (ii) HGS ceases to actively research,
develop or commercialize and has not licensed the Designated Therapeutic Protein
to a third party (in which event HGS shall  promptly so notify TIGR in writing),
the  restrictions  of this  section  shall no  longer  apply to that  Designated
Therapeutic Protein. This section shall not apply to any Therapeutic Protein for
which TIGR has initiated and has ongoing an active research program specifically
directed to the Therapeutic Protein prior to HGS's designation to TIGR that such
protein is a Designated Therapeutic Protein.

10. HGS grants to TIGR a world-wide, nonexclusive, non-cancelable,  royalty-free
right and license under all Inventions and Patent Rights only for the purpose of
conducting research;  provided, that TIGR shall not assign or otherwise transfer
any or all of its interest in such license to any other person or entity without
the written  consent of HGS, which consent shall not be  unreasonably  withheld.
Notwithstanding the foregoing, TIGR shall be free to grant a sublicense (with no
right for a further  sublicense)  to any  governmental,  academic or  non-profit
collaborator  of  TIGR  solely  for  the  purpose  of  conducting   research  in
collaboration  with TIGR.  Any assignment or other transfer by TIGR in violation
of this section shall be void and without effect.

11.         (a) In  consideration  of  the  rights  granted  in  Section  10 for
            research involving Therapeutic  Proteins,  TIGR agrees that, for any
            commercial  agreement  with a  for-profit  corporation  (including a
            service agreement except as provided in subsection (d)) between TIGR
            and a third party related to the sequencing or therapeutic activity

<PAGE>




             of any  Therapeutic  Protein  and in which TIGR grants or agrees to
            grant rights to Therapeutic  Proteins,  TIGR shall pay to HGS within
            thirty days of receipt:

                    (i) [***] of all monies  received by TIGR from a third party
                    for  reimbursement or prepayment of research  services to be
                    performed  pursuant to that commercial  agreement;  provided
                    that in the event that the commercial agreement provides for
                    a commercially reasonable allocation of the reimbursement or
                    prepayment  specifically to work associated with identifying
                    Therapeutic  Proteins,  the [***] shall apply only to  those
                    amounts specifically allocated to the Therapeutic Proteins;

                    (ii) [***] of all monies received by TIGR as upfront license
                    fees or other upfront  payments;  provided that in the event
                    that the  commercial  agreement  provides for a commercially
                    reasonable  allocation of fees or payments  specifically  to
                    rights associated with Therapeutic Proteins, the [***] shall
                    apply only to those  amounts  specifically  allocated to the
                    Therapeutic Proteins;

                    (iii)  [***] of all  milestone  payments  or  other  similar
                    payments  (other  than  payments   described  in  subsection
                    (a)(i))  received  by TIGR  with  respect  to a  Therapeutic
                    Protein  Product;  and 

                    (iv)  [***]  of  all  running  royalties  received  by  TIGR
                    pursuant  to  such   commercial   agreement   for  sales  of
                    Therapeutic Protein Products.

            (b) This section shall only apply to commercial  agreements  entered
            into on or before two years after the  Termination  Date,  but shall
            include all monies received from such agreements  regardless of when
            such monies are received.

            (c) A Therapeutic  Protein Product shall mean a Therapeutic  Protein
            for which a patent  application is filed by TIGR, the third party or
            their  licenses or assignees in the United States or elsewhere on or
            before [***] after the Termination Date.

            (d) This  section  shall not  apply to  commercial  agreements  that
            relate solely to "fee for service" contract sequencing in which TIGR
            retains no rights (other than a  nonexclusive  research  license) to
            the sequence data generated pursuant to that agreement.

12          (a) TIGR  assigns and agrees to assign all of its rights,  title and
            interest in and to any Invention  and Patent Rights to HGS,  subject
            to the  exceptions  set forth below.  TIGR shall not be obligated to
            assign to HGS any process, use, article of manufacture,  composition
            of  matter,   or  apparatus  or  corresponding   patent  and  patent
            applications  which were not actually or  constructively  reduced to
            practice prior to the  Termination  Date.  Nothing in this agreement
            shall   affect   HGS's   ownership   interest  in   Inventions   and
            corresponding  Patent  Rights  which  Inventions  are  conceived  or
            actually  or  constructively   reduced  to  practice  prior  to  the
            Termination Date.

            (b) TIGR shall cooperate,  and cause its Investigators to cooperate,
            with  HGS  in the  preparation,  filing,  prosecution,  maintenance,
            assignment and  enforcement of any Patent Rights,  and shall perform
            all  necessary   acts   relating   thereto,   including   executing,
            acknowledging  and  delivering  any and all  papers,  documents  and
            instruments  required for effecting such  prosecution,  maintenance,
            assignment and enforcement;  provided,  however,  that HGS shall pay
            all costs incurred by TIGR in complying with these requirements.

            (c) To the  extent that TIGR,  prior to the  Termination  Date,  has
            entered   into   agreements    with   agencies,    departments   or
            instrumentalities of the United States

<PAGE>




            government  and  nonprofit  organizations,  foundations  and similar
            organizations   (including   but  not  limited  to  American   Heart
            Association,   the  Muscular   Dystrophy   Association  and  similar
            organizations)  ("Organizations")  for  funding of  research at TIGR
            which prevents TIGR from assigning all rights, title and interest to
            HGS in and to  Inventions  and Patent  Rights which result from such
            funding (each  agreement an  "Organization  Agreement" and each such
            invention  and  patent  right  an   "Organization   Invention"   and
            "Organization Patent Right",  respectively),  TIGR grants to HGS and
            HGS accepts from TIGR a world-wide, non-cancelable right and license
            to make,  have  made,  use and sell or have sold on its  behalf  any
            product,  process,  machine,  apparatus or article of manufacture or
            composition,  including the right to  sublicense  to third  parties,
            pursuant to the terms and  conditions of this  agreement,  under any
            Organization   Invention  or  Organization  Patent  Right  in  which
            ownership must be retained by TIGR or in which the Organization does
            not  permit  ownership  to  be  retained  by  HGS  pursuant  to  any
            Organization  Agreement.  This  license  is  granted  to the  extent
            permitted  under  United  States  law  and is  exclusive  except  as
            provided in Section 10 and except as to the United States government
            or other Organization,  which may retain a comparable  non-exclusive
            royalty  free  license  under  such   Organization   Inventions  and
            Organization  Patent Rights. HGS at its cost and expense shall file,
            prosecute and maintain  Organization  Patent Rights  licensed  under
            this section.

            (d) HGS shall pay to TIGR a running royalty of [***] of net sales of
            any  product  sold by HGS which is  covered  by a  granted  claim of
            Organization  Patent  Right  licensed  to HGS under  subsection  (c)
            above.  HGS shall pay to TIGR the lesser of (i) [***] of the running
            royalties received from a sublicensee for sale of product covered by
            a granted claim of Organization Patent Right licensed to HGS or (ii)
            [***] of the net sales of a product sold by a  sublicensee  which is
            covered by a granted claim of Organization  Patent Right licensed to
            HGS.  In the event  that HGS is  obligated  to pay a  royalty  for a
            product to a party other than an Affiliate  ("Other Party  Royalty")
            for which product a royalty is also owed to TIGR, then [***] of such
            Other Party Royalty shall be fully  creditable  against [***] of the
            royalty owed to TIGR under this section.

13.  Subject to Section  12(d),  TIGR grants to HGS a  royalty-free,  worldwide,
non-cancelable,  non-exclusive right and license to use and to transfer to third
parties  Information  and TIGR Material.  Nothing in this Agreement shall affect
TIGR's  ownership  interest in Information and TIGR Material.  TIGR shall not be
obligated  to provide to HGS,  and HGS shall not have any  license  rights  with
respect  to  any  data,  formulas,   know-how,   process  information  or  other
information  or any material,  substance,  composition,  or biological  material
discovered, produced or derived by TIGR on or after the Termination Date.

14. HGS shall not assign  ownership to Patent  Rights  obtained  from TIGR under
this  Agreement or the Prior  Agreements to another  entity  without the written
consent of TIGR, which shall not be unreasonably denied or delayed,  except such
consent shall not be required:  (i) where such assignment is in conjunction with
a transfer of substantially  all of the assets of HGS to an entity who is not an
Affiliate of HGS, or (ii) where such  assignment  is to an  Affiliate  that is a
wholly owned  subsidiary of HGS. For the purposes of this Section,  the granting
of a  non-exclusive  or exclusive  license  under Patent  Rights shall not be an
assignment  unless all or  substantially  all of the Patent Rights obtained from
TIGR are  licensed in one  transaction  or a series of related  transactions  to
another entity.


<PAGE>



15. HGS has disclosed, and may disclose in the future, to TIGR and Investigators
proprietary and  confidential  technology,  inventions,  technical  information,
biological  materials and the like which are owned or controlled by HGS or which
HGS is obligated to maintain in  confidence  and which are  designated by HGS as
confidential ("HGS Confidential Information"). Such HGS Confidential Information
specifically  includes the identity of any  Designated  Therapeutic  Protein and
Related Diagnostic.  Except as otherwise provided in this Agreement, TIGR agrees
to retain such HGS  Confidential  Information  in confidence and not to disclose
any  such  HGS  Confidential  Information  to a  third  party,  so  long as such
information remains confidential,  without the prior written consent of HGS. The
obligations  of TIGR  pursuant  to this  section  hereof  shall not apply to HGS
Confidential Information that:

          (a) is known to TIGR or  generally  known to the  public  prior to its
          disclosure hereunder; or

          (b)  becomes  known to the public by some means other than a breach of
          this Agreement, including publication and/or laying open to inspection
          of any patent applications or patents; or

          (c) is  disclosed  to TIGR by a third party  having a lawful  right to
          make  such  disclosure,  and  who  is  not  under  any  obligation  of
          confidentiality to HGS.

16. HGS agrees not to disclose to a third party Information, Inventions and TIGR
Material disclosed to HGS by TIGR or an Investigator, except under an obligation
of  confidentiality.  HGS's  obligation  under this  section with respect to any
Information,  Inventions  or TIGR  Material  shall  terminate one (1) year after
disclosure  thereof  to HGS.  The  foregoing  obligation  shall not apply to any
Information, TIGR Material or Invention which:

          (a) is known to HGS or  generally  known  to the  public  prior to its
          disclosure hereunder; or

          (b)  becomes  known to the public by some means other than a breach of
          this Agreement, including publication and/or laying open to inspection
          of any patent applications or patents; or

          (c) is disclosed to HGS by a third party having a lawful right to make
          such   disclosure,   and  who  is  not   under   any   obligation   of
          confidentiality to TIGR.

17.  Each  party  shall  notify the other  upon  receiving  notice of any claim,
lawsuit or other proceeding  relating to a product or process that  incorporates
or is manufactured by use of an Invention, Information, TIGR Material, or Patent
Right.  HGS  agrees  that it will  indemnify  and  hold  harmless  TIGR  and all
Investigators, and other members, researchers,  employees, officers and trustees
of TIGR, and each of them (each an "Indemnified Party") from and against any and
all third party claims,  causes of action and costs  (including  attorney's fees
and costs of appearing  as  witnesses or otherwise  preparing to defend any such
claim or cause of action) of any nature made or  lawsuits  or other  proceedings
filed or otherwise  instituted  against any Indemnified Party or Parties arising
out of the design,  manufacture,  sale or use of any such  product or process by
any individual or entity;  provided,  however,  that HGS shall not indemnify any
Indemnified  Party from or against  any  claims,  causes of action or costs that
result from the gross negligence or willful misconduct of such Indemnified Party
(except  to the  extent  that any act of  patent  infringement  is by its  terms
considered  willful,  in which case HGS shall indemnify any Indemnified  Party).
HGS also will assume responsibility for all costs and expenses

<PAGE>




relating to such claims and lawsuits for which it is obligated to indemnify  any
Indemnified Party or Parties pursuant to this section including, but not limited
to,  the  payment  of all  attorney's  fees  and  costs of  litigation  or other
defenses.  TIGR shall  promptly  notify HGS of any such claim.  HGS may elect to
assume the defense of any claim, lawsuit, or other proceeding identified in this
section, but TIGR and/or any Indemnified Party may retain additional counsel and
assume the defense of such suit if (i) HGS specifically authorizes the retaining
of such counsel and  assumption of such defense or (ii) TIGR or any  Indemnified
Party  has been  advised  by  counsel  that one or more  legal  defenses  may be
available  to it which may not be  available to HGS, in which case HGS shall not
be entitled to assume the defense of such suit,  notwithstanding  its obligation
to bear the fees and expenses of counsel to TIGR or any  Indemnified  Party.  In
the event that any  Indemnified  Party  elects to assume the defense of any suit
and retain counsel as permitted herein, in no event shall HGS be responsible for
the  fees and  expenses  of more  than  one  additional  counsel  for each  such
Indemnified Party. Subject to the foregoing, HGS shall have the right to control
the  defense,  settlement  or  compromise  of any  claim  which  is  indemnified
hereunder.


18.  Except as otherwise  provided,  this  Agreement  shall not be assignable by
either of the parties without the prior written consent of the other party which
consent  shall not be  unreasonably  withheld  or  delayed,  except that HGS may
assign  this  Agreement  without  the  consent of TIGR (i) with a transfer to an
entity other than an Affiliate of all or substantially all the business to which
this Agreement relates or (ii) to a wholly owned  subsidiary.  Any assignment in
violation of this section shall be void and without effect.

19. Subject to the  limitations  on assignment set forth herein,  this Agreement
shall be binding  upon and inure to the benefit of said  successors  in interest
and  assigns  of HGS and  TIGR.  Any such  successor  or  assignee  of a party's
interest shall expressly  assume in writing the performance of all the terms and
conditions of this Agreement to be performed by said party.

20. Each party, on its own behalf and on behalf of its affiliates, stockholders,
directors, trustees, officers, agents, employees,  representatives,  successors,
predecessors  and assigns,  hereby waives,  releases and forever  discharges the
other party and its affiliates,  stockholders,  directors,  trustees,  officers,
agents, employees,  representatives,  successors,  predecessors and assigns from
any and all claims, actions, causes of action, suits, demands,  rights, damages,
and costs,  of any kind or nature,  ("Claims")  relating to or arising  from the
Prior  Agreements or the other party's  performance  or  non-performance  of the
Prior Agreements. Without limiting the generality of the foregoing, said release
shall apply to Claims (i)  whether or not they were  asserted or could have been
asserted  prior to or after  the  Termination  Date , or (ii) that  arose  under
contract, tort or otherwise, at law or in equity.

21. Except for the letters  attached  hereto as Exhibits 1 and 2, this Agreement
constitutes  the entire  agreement  between the parties  relating to the subject
matter hereof and supersedes all previous writings and  understandings  relating
to such subject matter. No terms or provisions of this Agreement shall be varied
or modified by any prior or  subsequent  statement,  conduct or act of either of
the  parties,  except  that the  parties  may amend  this  Agreement  by written
instruments  specifically  referring  to and executed in the same manner as this
Agreement.

22.         The following definitions shall apply to this agreement:

            (a)   "Affiliate"   as  applied  to  HGS  shall  mean  any  company,
            partnership,   joint  venture,  trust,  or  other  legal  entity  or
            organization, in whatever country


<PAGE>




            organized,  that  controls,  is  controlled  by, or is under  common
            control with HGS. The term  "control"  means  possession,  direct or
            indirect,  of  the  power  to  direct  or  cause  the  direction  of
            management  and  policies  whether  through the  ownership of voting
            securities,  by  contract  or  otherwise.  For the  purposes of this
            Agreement,   Plant  and  Animal  Genome  Sciences,   Inc.  shall  be
            considered an Affiliate of HGS.


            (b) "Course of Work for TIGR" shall mean (i) in the  performance  of
            scientific  or  technological  work for or on behalf of TIGR or (ii)
            using the time, materials or facilities of TIGR.

            (c) "Information" shall mean any data, formulas,  know-how,  process
            information,   or  other   information   that  is   produced  by  an
            Investigator in the Course of Work for TIGR prior to the Termination
            Date.

            (d) "TIGR Material" shall mean any material, substance, composition,
            or biological material,  that is discovered,  produced or derived by
            an  Investigator  in the  Course  of  Work  for  TIGR  prior  to the
            Termination Date.

            (e)  "Invention(s)"   shall  mean  any  process,   use,  article  of
            manufacture,  composition  of matter,  or apparatus,  whether or not
            patentable,  that is conceived or first  actually or  constructively
            reduced to  practice  by an  Investigator  in the Course of Work for
            TIGR prior to the Termination Date.

            (f) "Investigator" means (i) any member of TIGR's professional staff
            or employee who is involved in scientific or  technological  work or
            who may be reasonably expected to develop  Information,  Inventions,
            or TIGR  Material or (ii) a person who works at TIGR and is involved
            in scientific  or  technological  work or is reasonably  expected to
            develop Information, Inventions or TIGR Material or (iii) any person
            who performs  scientific or  technological  work for or on behalf of
            TIGR.

            (g)  "Patent   Right(s)"   shall  mean  any  United   States  patent
            application,    including    any    division,    continuation,    or
            continuation-in-part  thereof, and any foreign patent application or
            the  equivalent  thereof,  and any Letters  Patent or the equivalent
            thereof  issuing  thereon,   and  any  reissue,   re-examination  or
            extension thereof,  insofar as it contains,  represents,  or asserts
            one or more claims to an Invention.


IN WITNESS  WHEREOF,  each of the parties hereto has caused this Agreement to be
executed on its behalf, effective as of June 24, 1997.


HUMAN GENOME SCIENCES, INC.                     THE INSTITUTE FOR GENOMIC
                                                RESEARCH

By: /s/  Melvin D. Booth                        By: /s/ J. Craig Venter
    --------------------------                      ----------------------------
Name:    Melvin D. Booth                        Name:   J. Craig Venter

Title:   President & COO                        Title:  President & CEO
<PAGE>
    9712 MEDICAL CENTER DRIVE, ROCKVILLE, MARYLAND 20850
    (301) 838-0200
    (301) 838-0208 Fax

                                  June 20,1997
HUMAN GENOME SCIENCES, INC.
9410 Key West Avenue
Rockville, Maryland 20850

          Re:  Equipment Leases with Dominion  Ventures,  Inc. dated January 31,
               1993 and Comdisco, Inc. dated January 31, 1993

Gentlemen:

     In conjunction with the agreement entered into by The Institute for Genomic
Research  ("TIGR") and Human Genome Sciences,  Inc. ("HGS") dated June 20, 1997,
this  letter  sets  forth the  agreement  between  TIGR and HGS  concerning  two
existing leases for equipment  identified  above,  one between TIGR and Dominion
Ventures,  Inc.  ("Dominion")  and the other  between  TIGR and  Comdisco,  Inc.
("Comdisco") (each a "Lease Agreement").

     HGS agrees that it shall reach  agreement with Dominion on a purchase price
for the equipment  subject to the Dominion  lease and pay such price and related
costs assessed by Dominion in full, so as to provide TIGR with full ownership of
such  equipment.  If HGS shall fail to reach  agreement  with  Dominion  for any
reason,  HGS shall  deliver  to TIGR's  facility,  prior to the  removal of such
equipment  by  Dominion  under  the Lease  Agreement,  other  equipment  of like
quality,  usefulness and value  reasonably  satisfactory  to TIGR which shall be
owned by TIGR and the purchase price therefor paid by HGS.

     HGS  agrees  that it  shall  pay to TIGR on or  before  the 1st day of each
calendar  quarter  ("Payment  Date(s)"),  any payments from and  including  such
Payment Date to and  excluding the next Payment Date and any  applicable  taxes,
fees or charges other than personal  property taxes due under the Comdisco Lease
Agreement and consent to and pay a purchase  price for the equipment  subject to
the  Comdisco  Lease  Agreement  at the end of the initial  term of the Comdisco
Lease  Agreement  or  earlier,  or to deliver to TIGR's  facility,  prior to the
removal of such equipment by Comdisco under the Lease Agreement, other equipment
of like quality,  usefulness  and value  reasonably  satisfactory  to TIGR which
shall be owned by TIGR and the purchase price therefor paid by HGS.



<PAGE>



  June 20, 1997
  Page 2

     At the request of HGS,  TIGR has not made lease  payments  owed to Dominion
since the payment  made for the month of February  1997,  (nor has HGS paid TIGR
funds necessary to do so) for HGS' benefit in its on-going negotiations to reach
a mutually  agreeable  purchase price with Dominion.  As you know,  Dominion has
threatened  TIGR with legal action to recover the payments and other costs,  and
TIGR has continued not to pay lease payments at HGS' request. HGS agrees that it
will  indemnify  and hold  harmless  TIGR from and  against  any and all claims,
causes of action and costs (including  attorney's fees and costs of appearing as
witnesses or otherwise preparing to defend any such claim or cause of action) of
any nature made or lawsuits or other proceedings  filed or otherwise  instituted
against TIGR arising out of the Lease Agreements,  including without limitation,
any action  brought by  Dominion  against  TIGR for  nonpayment  under the Lease
Agreement and any action or claims brought by Comdisco in the future;  provided,
however, that HGS shall not indemnify TIGR from or against any claims, causes of
action or costs that result from the gross  negligence or willful  misconduct of
TIGR  (provided  that TIGR's  failure to pay lease  payments  under the Dominion
Lease Agreement shall not be considered willful for this purpose). HGS agrees to
assume the responsibility for all costs and expenses relating to such claims and
lawsuits for which it is obligated to indemnify TIGR, including, but not limited
to,  the  payment  of all  attorney's  fees  and  costs of  litigation.or  other
defenses.


                                           Sincerely,

                                           /s/ J. Craig Venter
                                           President/Director

Accepted and agreed:

  HUMAN GENOME SCIENCES, INC.

  By:  /s/ Melvin D. Booth
      -------------------------
  Name:  Melvin D. Booth
  Title: President & COO
  Date:  6/20/97



<PAGE>



    9712 MEDICAL CENTER DRIVE, ROCKVILLE, MARYLAND 20850
    (301) 838-0200
    (301) 838-0208 FAX

                                  June20, 1997
HUMAN GENOME SCIENCES, INC.
9410 Key West Avenue
Rockville, Maryland 20850

Gentlemen:

     In conjunction with the agreement entered into by The Institute for Genomic
Research  ("TIGR") and Human Genome Sciences,  Inc. ("HGS") dated June 20, 1997,
this letter sets forth the agreement between TIGR and HGS concerning  assignment
of rights  received  by HGS from  third  parties  collaborating  with TIGR under
certain  agreements  entered into by or among TIGR,  such third parties and HGS,
which  agreements  are listed in an  Attachment  to this letter  ("Collaboration
Agreement(s)").

     HGS hereby  assigns to TIGR any and all rights,  title and interest HGS has
under  Collaboration  Agreements  to any and all  data,  formulas,  information,
software,  materials,   compositions,   substances  and  other  results  of  the
Collaboration  Agreements  conceived  or actually or  constructively  reduced to
practice or otherwise discovered, produced or derived on or after June 20, 1997,
and any and all intellectual property rights thereto,  including but not limited
to copyrights,  patents, patent applications,  or other rights however described
in the Collaboration Agreements (collectively, "Assigned Technology").

     Nothing in this letter  shall  affect HGS' rights with  respect to research
results covered under the Collaboration  Agreements,  and corresponding  patents
and  patent   applications,   which   results  are   conceived  or  actually  or
constructively reduced to practice prior to June 20, 1997.

     If this  assignment is effective  only upon the consent of the third party,
then TIGR, at its election, may seek to obtain the consent of the third party or
request HGS to waive any rights it may have in Assigned Technology. If requested
to do so by TIGR, HGS agrees promptly to execute  appropriate  documentation  to
effectuate such a waiver.

     HGS also  agrees  that it will not  enforce,  and hereby  waives its rights
under,  any publishing  limitations  contained in any  Collaboration  Agreement,
inculding any provisions that require a delay upon disclosures of research



<PAGE>


  June 20, 1997
  Page 2

results,  provide  for  advanced  review  by HGS of any  manuscripts  describing
research covered by the  Collaboration  Agreement,  or grant to HGS the right to
delete any portions of such manuscripts before publication.

     In  the  event  an  agreement  that  is  similar  to  those  listed  in the
Attachment,  but not included  therein,  comes to the  attention of the parties,
then,  subject to confirmation by each party,  the Attachment will be amended to
include that agreement as a Collaboration Agreement.

                                          Sincerely,

                                          /s/ J. Craig Venter
                                          President/Director

  Attachment


  Accepted and agreed:

  HUMAN GENOME SCIENCES, INC.

  By: /s/ Melvin D. Booth
      -------------------------
  Name  Melvin D. Booth
  Title: President & COO
  Date  6/20/97





<PAGE>

                                                            EXHIBIT 2 ATTACHMENT

                       THE INSTITUTE FOR GENOMIC RESEARCH
                            COLLABORATION AGREEMENTS

INSTITUTION                   RESEARCH                      EFFECTIVE DATE
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                       SB/HGS DIAGNOSTIC LICENSE AGREEMENT



            This  Agreement  is  effective  as of this  24th day of  July,  1997
between,  on  the  one  hand,  SmithKline  Beecham  Corporation,  a  corporation
organized under the laws of the Commonwealth of Pennsylvania,  having a place of
business at One Franklin Plaza,  Philadelphia,  Pennsylvania  19101, U.S.A. ("SB
corp"),  SmithKline  Beecham p.l.c.,  a corporation  organized under the laws of
England and having a place of business at Great West Road, Brentford, Middlesex,
U.K. ("SB p.l.c.") (individually and collectively "SB"), and, on the other hand,
Human Genome  Sciences,  Inc., 9410 Key West Avenue,  Rockville,  Maryland 20850
("HGS").

                                WITNESSETH THAT:

            WHEREAS SB corp and HGS  entered  into the  COLLABORATION  AGREEMENT
(defined  below)  relating to sequencing of expressed  genes and  development of
practical applications therefor; and

            WHEREAS  SB and HGS now wish to amend  the  COLLABORATION  AGREEMENT
with respect to HUMAN DIAGNOSTIC PRODUCTS (defined below);

            NOW,  THEREFORE,  in  consideration of the covenants and obligations
expressed  herein,  and intending to be legally bound, and otherwise to be bound
by proper and reasonable conduct, the parties agree as follows:

            The parties now agree that the COLLABORATION AGREEMENT is superseded
in  accordance  with  Paragraph  23.01 of such  agreement  and the  AMENDED  AND
RESTATED  LICENSE  AGREEMENT  is  superseded,  both only with  respect  to HUMAN
DIAGNOSTIC PRODUCTS to read as follows:


1. DEFINITIONS

1.1.      "AFFILIATE"  shall mean any  corporation,  firm,  partnership or other
          entity,  whether de jure or de facto,  which  directly  or  indirectly
          owns,  is owned by or is under common  ownership  with a party to this
          Agreement to the extent of at least fifty  percent (50%) of the equity
          (or such lesser percentage which is the maximum allowed to be owned by
          a foreign corporation in a particular  jurisdiction)  having the power
          to vote on or direct the affairs of the entity and any  person,  firm,
          partnership,  corporation  or other  entity  actually  controlled  by,
          controlling or under common control with a party to this Agreement.

1.2.      "AMENDED  AND RESTATED  LICENSE  AGREEMENT"  shall mean the  agreement
          between SB and HGS entered into May 31, 1995.

1.3.      "ANTIBODY  PRODUCT" shall mean an antibody  (monoclonal or polyclonal)
          and  fragments  and  constructs  thereof  which may be useful  for the
          treatment or prevention of a disease or disorder in humans.

1.4.      "BIOINFORMATICS"  shall mean computer software and know-how useful for
          the  analysis,   comparison,   and  curation  of  human  nucleic  acid
          sequences; and information related to such sequences; and software for
          the

<PAGE>



          constructionand  maintenance of databases for the  compilation of such
          sequences and their  associated  information;  each developed from May
          19, 1993 through the end of the INITIAL RESEARCH TERM.  BIOINFORMATICS
          shall include  software for the  prediction  of the  three-dimensional
          structure  of  proteins   from  primary   sequence   information   but
          BIOINFORMATICS  shall not include  software for  rational  drug design
          based   on   such   three-dimensional   structure.   To   the   extent
          BIOINFORMATICS  includes  software  licensed  from a THIRD  PARTY such
          THIRD PARTY software is not included except to the extent that a party
          has the right to transfer to the other party such software and its use
          and the other party  agrees to pay any royalty owed to the THIRD PARTY
          for such software and its use.

1.5.      "cDNA" shall mean complementary DNA prepared from human cells.

1.6.      "CLINICAL STUDY" shall mean a study in humans of a product which study
          is  intended  for use in  obtaining  approval to sell the product in a
          "Major Market."  However,  in the case of a product for which no human
          clinical  studies  are  required,  then  CLINICAL  STUDY  shall  mean,
          instead,  initiation  of  country-wide  sales of a product in a "Major
          Market." By "Major Market" is meant the United States,  Canada, Japan,
          Great Britain, France, Germany, or Italy.

1.7.      "COLLABORATION  AGREEMENT"  shall  mean  the  Collaboration  Agreement
          entered  into  between SB and HGS  effective  as of May 19,  1993,  as
          amended as of immediately before the EFFECTIVE DATE.

1.8.      "COLLABORATION  PARTNER" shall mean those entities which are set forth
          in  Appendix  B of the JUNE 1996  SB/HGS  LICENSE  AGREEMENT,  and any
          entity  added to such  Appendix  pursuant to that  agreement by mutual
          written agreement between SB and HGS.

1.9.      "COLLABORATION  PARTNER  AGREEMENT"  shall mean an agreement among HGS
          and SB and a COLLABORATION PARTNER and designated in writing by SB and
          HGS as a COLLABORATION  PARTNER  AGREEMENT,  pursuant to the JUNE 1996
          SB/HGS LICENSE AGREEMENT.

1.10.     "COLLABORATION  PARTNER  PATENT"  shall  mean all  patents  and patent
          applications  filed  during  the  INITIAL  RESEARCH  TERM which are or
          become owned by a  COLLABORATION  PARTNER or to which a  COLLABORATION
          PARTNER  otherwise  has,  now or in the  future,  the  right  to grant
          licenses,  only to the  extent  HGS and SB have  the  rights  to grant
          licenses  thereto under a COLLABORATION  PARTNER  AGREEMENT.  Included
          within  the  definition  of  COLLABORATION  PARTNER  PATENTS  are  all
          continuations, continuations-in-part,  divisions, patents of addition,
          reissues, renewals, extensions, registrations,

<PAGE>




          confirmations,    re-examinations    thereof   and   any   provisional
          applications and all SPCs.

1.11      "COLLABORATION  PRODUCT" shall mean any product,  process,  substance,
          composition  or service which (i) is based on the use of or is derived
          by use of HGS TECHNOLOGY  and/or SB TECHNOLOGY  and/or (ii) is covered
          by a HGS PATENT and/or (iii) is covered by a SB PATENT; and/or (iv) is
          covered by a COLLABORATION  PARTNER PATENT;  and/or (v) is based on or
          is derived by use of a TARGET and/or is a THERAPEUTIC  PROTEIN  and/or
          biological information on such TARGET or THERAPEUTIC PROTEIN all as to
          which SB and/or HGS receives rights from a COLLABORATION PARTNER under
          a COLLABORATION PARTNER AGREEMENT. An incidental or immaterial use (or
          no use) of such  technology  or patents  in (i)-(v)  shall not cause a
          product,  process,  substance,  composition  or  service  to  become a
          COLLABORATION PRODUCT.

1.12.     "DIAGNOSTIC  RESEARCH PLAN" shall mean a written plan for researching,
          developing and  commercializing a HUMAN DIAGNOSTIC PRODUCT. An example
          of such a plan is shown in Appendix  A.  RESEARCH  PROGRAMS  under the
          COLLABORATION AGREEMENT submitted prior to the EFFECTIVE DATE shall be
          deemed,  to the extent  that they  cover  HUMAN  DIAGNOSTIC  PRODUCTS,
          DIAGNOSTIC  RESEARCH  PLANS  submitted  by SB under this  Agreement in
          accordance with Section 4.1.

1.13.     "DRUG PRODUCT" shall mean a product (including VACCINES, as defined in
          the JUNE 1996 SB/HGS  LICENSE  AGREEMENT),  which is not a THERAPEUTIC
          PROTEIN,  GENE  THERAPY  VACCINE  (as  defined in the JUNE 1996 SB/HGS
          LICENSE  AGREEMENT) or ANTIBODY  PRODUCT,  which may be useful for the
          treatment or prevention of a disease or disorder in a human.

1.14.     "EFFECTIVE DATE" shall mean the date first written above.

1.15.     "GENE"  shall  mean a cDNA or a human  gene or a family of such  human
          genes or any portion of such cDNA, gene or genes.

1.16.     "HGS" shall mean Human Genome Sciences, Inc.

1.17.     "HGS HUMAN DIAGNOSTIC PRODUCT" shall mean a COLLABORATION PRODUCT that
          is  a  HUMAN  DIAGNOSTIC  PRODUCT  to  which  HGS  obtains  rights  in
          accordance  with  Section 4 and as to which HGS retains  rights  under
          this Agreement.

1.18.     "HGS PATENT(S)" shall mean all patents and patent  applications to the
          extent they claim HGS TECHNOLOGY, which are or become owned by

<PAGE>




          HGS or to which HGS otherwise has, now or in the future,  the right to
          grant licenses.  Included within the definition of HGS PATENTS are all
          continuations, continuations-in-part,  divisions, patents of addition,
          reissues,   renewals,   extensions,   registrations,    confirmations,
          re-examinations thereof and any provisional applications and all SPCs.

1.19.     "HGS PRODUCT" shall mean (1) a COLLABORATION PRODUCT in the HGS FIELD;
          or (2) a  COLLABORATION  PRODUCT  in the SB  FIELD  (a) to  which  HGS
          obtains  rights  in  accordance  with the  JUNE  1996  SB/HGS  LICENSE
          AGREEMENT;  and/or (b) which is a  THERAPEUTIC  PROTEIN  discovered or
          developed  by or on behalf of HGS after  the  INITIAL  RESEARCH  TERM;
          and/or (c) which is a DRUG PRODUCT or ANTIBODY  PRODUCT  discovered or
          developed by or on behalf of HGS at any time.

1.20.     "HGS TECHNOLOGY" shall mean any and all data,  substances,  processes,
          materials,  formulae,  know-how and  inventions  with respect to GENES
          and/or expression  products thereof (including  sequence and function)
          which are useful within the HGS FIELD,  SB FIELD,  and/or the field of
          HUMAN DIAGNOSTIC PRODUCTS,  and which are developed by or on behalf of
          HGS during or prior to the INITIAL  RESEARCH  TERM and which are owned
          by HGS or with respect to which HGS has a right to grant a license. In
          the event HGS in-licenses from a THIRD PARTY a DRUG PRODUCT,  ANTIBODY
          PRODUCT,  THERAPEUTIC PROTEIN or HUMAN DIAGNOSTIC PRODUCT in each case
          discovered  by a  THIRD  PARTY  with  no use of HGS  TECHNOLOGY,  such
          product  and  information  generated  by HGS  directly  related to the
          research and development of such product, shall not be HGS TECHNOLOGY.

1.21.     "HGS SPECIAL TECHNOLOGY shall mean (1) all HGS TECHNOLOGY in existence
          prior to June 28, 1996 and required to be  transferred  under the JUNE
          1996  SB/HGS  LICENSE   AGREEMENT  or  transferred  to  SB  under  the
          COLLABORATION  AGREEMENT or the JUNE 1996 SB/HGS LICENSE AGREEMENT and
          (2) all HGS TECHNOLOGY developed by or for HGS after June 28, 1996 and
          during the INITIAL RESEARCH TERM required to be transferred  under the
          JUNE 1996 SB/HGS  LICENSE  AGREEMENT or transferred to SB by HGS under
          the JUNE 1996 SB/HGS  LICENSE  AGREEMENT  which is: (a) sequence  data
          with   respect   to  cDNA  and   expression   products   thereof   and
          BIOINFORMATICS   relating  thereto,   (b)  information  on  biological
          function  of  TARGETS  and  screens  for  such  TARGETS,   and/or  (c)
          biological  information  on  THERAPEUTIC  PROTEINS  for  their  use as
          TARGETS, and (3) HGS clones containing sequences in (1) and 2(a).


1.22.     "HUMAN  DIAGNOSTIC  PRODUCTS"  shall  mean  any  substance,   process,
          composition or service intended to identify, analyze or detect one


<PAGE>



          or more characteristics, genes, proteins, or any other molecule of, or
          in an  individual  human,  including  but not limited  to,  forensics,
          diagnosis,  prognosis, or monitoring of a disease, predisposition to a
          disease,   or  other  abnormality  or  evaluation  of  health.   HUMAN
          DIAGNOSTIC  PRODUCTS  shall also  include such  products  intended for
          commercial  sale for research in laboratory  animals.  It is expressly
          understood that a HUMAN DIAGNOSTIC  PRODUCT includes  DIAGNOSTIC(S) as
          defined in the JUNE 1996 SB/HGS LICENSE AGREEMENT.

1.23.     "INITIAL RESEARCH TERM" shall mean the term beginning May 19, 1993 and
          ending June 30, 2001.

1.24.     "JUNE 1996 SB/HGS  LICENSE  AGREEMENT"  shall mean the SB/HGS  LICENSE
          AGREEMENT  entered  into  between SB and HGS  effective as of June 28,
          1996.

1.25.     "make, have made, use and sell" shall mean all exclusionary rights now
          or in the  future  conferred  by a patent  or  equivalent  of a patent
          (e.g.,  a SPC),  copyright,  or trade  secret  law of each  applicable
          respective jurisdiction of the world, including but not limited to the
          right to make,  have made,  use, offer to sell,  sell,  import,  copy,
          display, and distribute.

1.26.     "NET  SALES"  shall  mean  gross  receipts  from  sales  of a SB HUMAN
          DIAGNOSTIC PRODUCT or a HGS HUMAN DIAGNOSTIC  PRODUCT, as the case may
          be,  (on a  product-by-product  basis)  by SB or  HGS  or,  except  as
          provided below, their respective AFFILIATES,  licensees,  distributors
          trading on SB's or HGS's account or joint ventures or other associated
          companies,  less  deductions  for  (i)  transportation,  shipping  and
          postage  charges,  including  transportation,  insurance,  and customs
          duties to the extent separately invoiced;  (ii) sales and excise taxes
          and  duties  paid  or  allowed  by  a  selling  party  and  any  other
          governmental charges imposed upon the production,  importation, use or
          sale of such product;  (iii) normal and customary trade,  quantity and
          cash  discounts  allowed  and  rebates  including  but not  limited to
          Medicaid and Medicaid-like  rebates; and (iv) allowances or credits to
          customers  on account  of  rejection  or return of such  product or on
          account of retroactive price reductions affecting such product.  Sales
          between  or  among  a  party  to this  Agreement  and  its  respective
          AFFILIATES,  licensees, distributors trading on SB's or HGS's account,
          or joint  ventures  or other  associated  companies  shall be included
          within  NET  SALES  only  if  such  purchaser  is an  end-user  of the
          applicable HUMAN DIAGNOSTIC PRODUCT.  Otherwise,  NET SALES shall only
          include the subsequent, final sales to THIRD PARTIES.

1.27.     "PROTEIN  RESEARCH  PLAN" shall mean a written  plan to  research  and
          develop a  THERAPEUTIC  PROTEIN,  as such plan is  defined in the JUNE
          1996 SB/HGS LICENSE AGREEMENT.


<PAGE>




1.28.     "RESEARCH PLAN" shall have the same meaning as in the JUNE 1996 SB/HGS
          LICENSE  AGREEMENT,  except  that it  shall  also  include  DIAGNOSTIC
          RESEARCH PLANS.

1.29.    "RESEARCH  PROGRAM"  shall  have  the  meaning  ascribed  to it in the
          COLLABORATION AGREEMENT.

1.30.     "RESEARCH  TERM  EXTENSIONS"  shall  mean  extensions  of the  INITIAL
          RESEARCH TERM obtained pursuant to Paragraph 6.1.

1.31.     "SB" shall  mean  SmithKline  Beecham  Corporation  and/or  SmithKline
          Beecham, p.l.c., and any past (from May 19, 1993 through the EFFECTIVE
          DATE), present or future AFFILIATE thereof,  which AFFILIATE holds the
          relevant  right  and/or is or was or will be  necessary or required to
          perform any obligations of SB under this Agreement and/or  obligations
          of either of them are subsequently  assigned and/or delegated pursuant
          to Section 20 of this Agreement.

1.32.     "SB  FIELD"  shall have the same  meaning  as in the JUNE 1996  SB/HGS
          LICENSE AGREEMENT.

1.33.     "SB HUMAN DIAGNOSTIC PRODUCT" shall mean a COLLABORATION  PRODUCT that
          is a HUMAN  DIAGNOSTIC  PRODUCT to which SB obtains rights pursuant to
          Section 4 and as to which SB retains rights under this Agreement.

1.34.     "SB PATENT(s)"  shall mean all patents and patent  applications to the
          extent they claim SB TECHNOLOGY, which are or become owned by SB or to
          which SB  otherwise  has,  now or in the  future,  the  right to grant
          licenses.  Included  within  the  definition  of SB  PATENTS  are  all
          continuations, continuations-in-part,  divisions, patents of addition,
          reissues,   renewals,   extensions,   registrations,    confirmations,
          re-examinations thereof and any provisional applications and all SPCs.
          SB PATENTS shall include TAKEDA  PATENTS,  as defined in the JUNE 1996
          SB/HGS  LICENSE  AGREEMENT,  to the  extent  such  patents  and patent
          applications claim SB TECHNOLOGY.

1.35.     "SB DIAGNOSTIC PATENT(s)" shall mean SB PATENT(s),  only to the extent
          such patents have claims that cover a HUMAN DIAGNOSTIC PRODUCT.

1.36.     "SB TECHNOLOGY"  shall mean any and all data,  substances,  processes,
          materials,  formulae,  know-how,  inventions  and  information  useful
          within the HGS FIELD, SB FIELD,  and/or the field of HUMAN  DIAGNOSTIC
          PRODUCTS,  which  are  based  on the use of or  derived  by use of HGS
          SPECIAL  TECHNOLOGY and are developed by or on behalf of SB during the
          INITIAL RESEARCH TERM, or RESEARCH TERM EXTENSIONS


<PAGE>



          or under a RESEARCH  PLAN  submitted by SB pursuant to this  Agreement
          prior to the later of four (4) years after the INITIAL  RESEARCH  TERM
          or four (4) years after RESEARCH TERM EXTENSIONS.  SB TECHNOLOGY shall
          not  include  technologies,  reagents or  materials  made by SB merely
          because  of an  incidental  or  immaterial  use  (or no use of) of HGS
          SPECIAL TECHNOLOGY in the development of such  technologies,  reagents
          or materials or merely  because of an incidental or immaterial  use of
          (or no use of) such technologies,  reagents or materials in a RESEARCH
          PLAN. SB TECHNOLOGY shall include TAKEDA TECHNOLOGY, as defined in the
          JUNE 1996  SB/HGS  LICENSE  AGREEMENT,  to the extent that such TAKEDA
          TECHNOLOGY is based on the use of or derived by use of (a) HGS SPECIAL
          TECHNOLOGY,  or (b) SB  TECHNOLOGY  as  defined in the  preceding  two
          sentences of this Paragraph.

1.37.     "SPC"  shall mean a right  based upon a patent to exclude  others from
          making, using or selling a product, process, substance, composition or
          service, such as a Supplementary Protection Certificate.

1.38.     "SPECIAL SB TECHNOLOGY" shall mean (1) all SB TECHNOLOGY  developed by
          or on behalf of SB in existence  prior to June 28, 1996 required to be
          transferred   under  the  JUNE  1996  SB/HGS   LICENSE   AGREEMENT  or
          transferred to HGS by SB under the COLLABORATION AGREEMENT or the JUNE
          1996 SB/HGS LICENSE AGREEMENT,  (2) all SB TECHNOLOGY  developed by or
          on behalf of SB after June 28,  1996 which SB is  required to transfer
          or  transfers  to HGS  under the JUNE 1996  SB/HGS  LICENSE  AGREEMENT
          and/or (3) SB  TECHNOLOGY  otherwise  lawfully  obtained by HGS.  With
          respect  to  information  contained  in  a  DIAGNOSTIC  RESEARCH  PLAN
          submitted  by SB pursuant  to this  Agreement,  SPECIAL SB  TECHNOLOGY
          shall not include items of the type  identified in Sections 1, 2, or 3
          of the outline attached as Appendix A.

1.39.     "TARGET"  shall  mean a GENE  or  expression  product  thereof  (e.g.,
          receptors,  enzymes or ion channels) which could be used for screening
          or other drug  discovery  purpose to identify  compounds or antibodies
          with a biochemical or pharmacological effect.

1.40.     "TERRITORY" shall mean all the countries and territories in the world.

1.41.     "THERAPEUTIC  PROTEIN"  shall mean a  polypeptide  derived from a GENE
          (not  including  an  ANTIBODY  PRODUCT)  which may be  useful  for the
          treatment or prevention of a disease or disorder in humans.

1.42.     "THIRD  PARTY(IES)"  shall  mean any party  other than a party to this
          Agreement or an AFFILIATE of SB, or HGS.


<PAGE>




2. GRANTS
2.1.      RESEARCH AND DEVELOPMENT

          2.1.1.    HGS hereby grants to SB a non-exclusive,  world-wide license
                    under HGS SPECIAL  TECHNOLOGY,  claims of HGS  PATENTS  that
                    cover  HGS  SPECIAL  TECHNOLOGY  and  COLLABORATION  PARTNER
                    PATENTS  to  perform   research  and  development  of  HUMAN
                    DIAGNOSTIC  PRODUCTS  during the INITIAL  RESEARCH  TERM and
                    RESEARCH  TERM   EXTENSIONS   pursuant  to  this  Agreement,
                    provided  however  that HGS will not have a license to make,
                    have made, use and sell a HUMAN DIAGNOSTIC  PRODUCT based on
                    HGS diagnostic research except as described herein.

          2.1.2.    HGS hereby grants to SB a non-exclusive, world-wide, license
                    under HGS SPECIAL  TECHNOLOGY,  claims of HGS  PATENTS  that
                    cover  HGS  SPECIAL  TECHNOLOGY  and  COLLABORATION  PARTNER
                    PATENTS  to  perform   research  and  development  of  HUMAN
                    DIAGNOSTIC  PRODUCTS  after the  INITIAL  RESEARCH  TERM and
                    RESEARCH TERM EXTENSIONS  pursuant to a DIAGNOSTIC  RESEARCH
                    PLAN submitted by SB pursuant to this Agreement.

          2.1.3.    SB hereby grants to HGS a non-exclusive, world-wide, license
                    under  SB  DIAGNOSTIC   PATENTS  to  perform   research  and
                    development of HUMAN DIAGNOSTIC  PRODUCTS during the INITIAL
                    RESEARCH TERM and RESEARCH TERM  EXTENSIONS,  but not to the
                    extent that such SB  DIAGNOSTIC  PATENT  covers any SB HUMAN
                    DIAGNOSTIC PRODUCT and/or any HUMAN DIAGNOSTIC PRODUCT which
                    is the  subject of a  DIAGNOSTIC  RESEARCH  PLAN filed by SB
                    during the INITIAL RESEARCH TERM.

          2.1.4.    SB hereby grants to HGS a non-exclusive, world-wide, license
                    under  SB  DIAGNOSTIC   PATENTS  to  perform   research  and
                    development of HUMAN  DIAGNOSTIC  PRODUCTS after the INITIAL
                    RESEARCH  TERM and RESEARCH  TERM  EXTENSIONS  pursuant to a
                    DIAGNOSTIC  RESEARCH PLAN  submitted by HGS pursuant to this
                    Agreement,  but not to the  extent  that such SB  DIAGNOSTIC
                    PATENT  covers any SB HUMAN  DIAGNOSTIC  PRODUCT  and/or any
                    HUMAN   DIAGNOSTIC   PRODUCT  which  is  the  subject  of  a
                    DIAGNOSTIC  RESEARCH  PLAN  filed by SB during  the  INITIAL
                    RESEARCH TERM.

          2.1.5.    HGS hereby grants to SB a non-exclusive, world-wide, license
                    under HGS SPECIAL TECHNOLOGY,  HGS PATENTS AND COLLABORATION
                    PARTNER PATENTS to perform research

<PAGE>




                    and development in the HGS FIELD (as that term is defined in
                    the June 1996 SB/HGS LICENSE  AGREEMENT) only in furtherance
                    of research and development of HUMAN DIAGNOSTIC PRODUCTS (i)
                    during  the  INITIAL   RESEARCH   TERM  and  RESEARCH   TERM
                    EXTENSIONS, and (ii) after the INITIAL RESEARCH TERM under a
                    RESEARCH  PLAN  submitted by SB pursuant to this  Agreement.
                    For the  avoidance  of doubt,  no license is granted  (other
                    than to perform  research and  development  pursuant to this
                    Section  2.1.5) to SB hereunder to make,  have made, use and
                    sell COLLABORATION PRODUCTS in the HGS FIELD.


2.2.      SB HUMAN DIAGNOSTIC PRODUCTS

          2.2.1.    HGS  hereby  grants  to  SB  an  exclusive,   sublicenseable
                    world-wide license under HGS SPECIAL  TECHNOLOGY,  claims of
                    HGS  PATENTS   that  cover  HGS  SPECIAL   TECHNOLOGY,   and
                    COLLABORATION  PARTNER  PATENTS to make,  have made, use and
                    sell in the TERRITORY,  each SB HUMAN DIAGNOSTIC PRODUCT, as
                    to  which SB  obtains  rights  under  Section  4 during  the
                    INITIAL RESEARCH TERM.

          2.2.2.    HGS  hereby  grants  to SB a  non-exclusive,  sublicenseable
                    world-wide license under HGS SPECIAL  TECHNOLOGY,  claims of
                    HGS  PATENTS   that  cover  HGS  SPECIAL   TECHNOLOGY,   and
                    COLLABORATION  PARTNER  PATENTS to make,  have made, use and
                    sell in the TERRITORY,  each SB HUMAN DIAGNOSTIC PRODUCT, as
                    to which SB obtains  rights under Section 4 during  RESEARCH
                    TERM EXTENSIONS.

          2.2.3.    SB shall  have  the  right to  license  SB HUMAN  DIAGNOSTIC
                    PRODUCTS at any time.

          2.2.4.    Except for agreements permitted by Paragraph 7.2 or the JUNE
                    1996 SB/HGS LICENSE  AGREEMENT,  the rights granted to SB by
                    HGS under this  Agreement  and SB's rights to SB  TECHNOLOGY
                    and SB PATENTS are licenseable and/or  transferable by SB to
                    a THIRD  PARTY only with  respect  to a SB HUMAN  DIAGNOSTIC
                    PRODUCT,  and  only  pursuant  to an  Agreement  by which SB
                    grants a license to a THIRD PARTY for a SB HUMAN  DIAGNOSTIC
                    PRODUCT as permitted under this Paragraph 2.2.3 and in which
                    the THIRD PARTY agrees to  covenants  and  obligations  with
                    respect to the use of such SB HUMAN DIAGNOSTIC PRODUCT,  and
                    any  HGS  TECHNOLOGY,   HGS  PATENTS,   SB  PATENTS  and  SB
                    TECHNOLOGY  to be  licensed  to such THIRD  PARTY  which are
                    essentially identical to the covenants and obligations of SB
                    under this Agreement.


<PAGE>




2.3.      HGS HUMAN DIAGNOSTIC PRODUCTS

          2.3.1.    SB  hereby  grants  to HGS a  non-exclusive,  sublicenseable
                    world-wide license under SB DIAGNOSTIC PATENTS to make, have
                    made,  use  and  sell  in  the  TERRITORY,  each  HGS  HUMAN
                    DIAGNOSTIC  PRODUCT  as to which HGS  obtains  rights  under
                    Section 4 during the INITIAL RESEARCH TERM and RESEARCH TERM
                    EXTENSIONS,  but not to the extent  that such SB  DIAGNOSTIC
                    PATENT  covers any SB HUMAN  DIAGNOSTIC  PRODUCT  and/or any
                    HUMAN   DIAGNOSTIC   PRODUCT  which  is  the  subject  of  a
                    DIAGNOSTIC  RESEARCH  PLAN  filed by SB during  the  INITIAL
                    RESEARCH TERM..

          2.3.2.    Except for agreements permitted by Paragraph 7.2, the rights
                    to SB  DIAGNOSTIC  PATENTS  granted  to HGS by SB under this
                    Agreement are  licenseable  and/or  transferable by HGS to a
                    THIRD  PARTY  only with  respect  to a HGS HUMAN  DIAGNOSTIC
                    PRODUCT,  and only  pursuant  to an  Agreement  by which HGS
                    grants a license to a THIRD PARTY to a HGS HUMAN  DIAGNOSTIC
                    PRODUCT as permitted  under this  Agreement and in which the
                    THIRD PARTY agrees to covenants and obligations  which limit
                    the  use of SB  DIAGNOSTIC  PATENTS  which  are  essentially
                    identical to the covenants and obligations of HGS under this
                    Agreement.

          2.3.3.    Except  for (i)  licenses  granted  by HGS to SB under  this
                    Agreement;  and (ii) licenses  granted to THIRD PARTIES with
                    respect to HGS HUMAN  DIAGNOSTIC  PRODUCTS as  permitted  by
                    Paragraph 2.3.2, during the INITIAL RESEARCH TERM, HGS shall
                    not grant any rights or license to HUMAN DIAGNOSTIC PRODUCTS
                    that are  COLLABORATION  PRODUCTS.  In addition,  during the
                    INITIAL  RESEARCH  TERM,  HGS  shall  not grant to any THIRD
                    PARTY  diagnostic  research rights to access the database or
                    other diagnostic  research and/or  development  rights other
                    than those  associated  with the licensing of a specific HGS
                    HUMAN DIAGNOSTIC PRODUCT as provided herein.

          2.3.4.    Notwithstanding  anything else to the  contrary,  SPECIAL SB
                    TECHNOLOGY  developed  after June 28,  1996 and claims of SB
                    PATENTS developed after June 28, 1996, and RESEARCH PROGRAMS
                    submitted  under the  COLLABORATION  AGREEMENT  shall not be
                    disclosed  by HGS to a THIRD  PARTY  until such  patents and
                    technology have, prior to such disclosure,  become generally
                    available  to the public other than through a breach of this
                    Agreement.


<PAGE>




2.4.      All the  grants  in this  Section 2 are  subject  to all the terms and
          conditions of the Agreement.

2.5.      Except as  expressly  provided  herein,  SB  retains  all rights to SB
          DIAGNOSTIC PATENTS.

3. PAYMENTS AND ROYALTIES
3.1.      Payments to HGS

          3.1.1.    SB shall pay a  royalty  [***] of NET SALES of each SB HUMAN
                    DIAGNOSTIC PRODUCT sold by SB or SB licensees.

          3.1.2.    Royalty  obligations on SB HUMAN DIAGNOSTIC PRODUCTS sold by
                    SB or SB licensees under this Agreement shall terminate on a
                    country-by-country and product-by-product basis on the later
                    of (i) ten (10) years  after  first  country-wide  launch of
                    each  product  in each  country  or (ii)  expiration  of the
                    COLLABORATION  PARTNER  PATENT,  HGS PATENT or SB DIAGNOSTIC
                    PATENT  which  covers the  making,  using or selling of such
                    product in such country.

3.2.      Payments to SB


          3.2.1.    If a HGS HUMAN DIAGNOSTIC  PRODUCT is sublicensed to a THIRD
                    PARTY and such HGS HUMAN DIAGNOSTIC  PRODUCT is covered by a
                    claim  of a SB  DIAGNOSTIC  PATENT,  then  HGS  shall  pay a
                    royalty  of  [***]  of NET  SALES  of each  such  HGS  HUMAN
                    DIAGNOSTIC  PRODUCT  sold by such HGS  licensee.  Subject to
                    Section 3.3, no royalty is owed on sales by HGS.

          3.2.2.    Royalty obligations on HGS HUMAN DIAGNOSTIC PRODUCTS sold by
                    HGS  licensees  under this  Agreement  shall  terminate on a
                    country-by-country and product-by-product basis on the later
                    of (i) ten (10) years  after  first  country-wide  launch of
                    each  product in each country or (ii)  expiration  of the SB
                    DIAGNOSTIC PATENT which covers the making,  using or selling
                    of such product in such country.

3.3.      ROYALTIES TO THIRD PARTIES

          3.3.1.    Any   royalties   owed  to  a  THIRD   PARTY,   including  a
                    COLLABORATION  PARTNER or  TAKEDA,  by HGS or SB, on the NET
                    SALES of a SB  HUMAN  DIAGNOSTIC  PRODUCT  shall be the sole
                    responsibility of SB.

          3.3.2.    Any   royalties   owed  to  a  THIRD   PARTY,   including  a
                    COLLABORATION  PARTNER or  TAKEDA,  by HGS or SB, on the NET
                    SALES of a HGS HUMAN  DIAGNOSTIC  PRODUCT  shall be the sole
                    responsibility of HGS.


<PAGE>




3.4.      Except as provided in Sections 3.1, 3.2, or 3.3, no other  payments or
          obligations,  including  but  not  limited  to  copromotion  payments,
          milestones,  and licensing fees,  shall be owed by either SB or HGS to
          the other for an SB DIAGNOSTIC  PRODUCT or an HGS DIAGNOSTIC  PRODUCT,
          as the  case may be,  under  this  Agreement  or any  other  agreement
          between  SB  and  HGS  existing  as of  the  EFFECTIVE  DATE  of  this
          Agreement.

4. DIAGNOSTIC RESEARCH PLANS
4.1.      SB shall obtain rights in accordance  with Section 2 of this Agreement
          to a HUMAN DIAGNOSTIC PRODUCT, provided that SB is the first among the
          parties to this Agreement to submit a DIAGNOSTIC RESEARCH PLAN for the
          specific HUMAN DIAGNOSTIC  PRODUCT during the INITIAL RESEARCH TERM or
          any RESEARCH TERM EXTENSIONS. [***]

4.2.      Subject to the  provisions  of Sections  4.1 and 4.3, HGS shall obtain
          rights  in  accordance  with  Section 2 of this  Agreement  to a HUMAN
          DIAGNOSTIC  PRODUCT,  provided that HGS is the first among the parties
          to this  Agreement  to  submit  a  DIAGNOSTIC  RESEARCH  PLAN  for the
          specific HUMAN DIAGNOSTIC  PRODUCT during the INITIAL RESEARCH TERM or
          any RESEARCH TERM EXTENSIONS.

4.3.      During the  INITIAL  RESEARCH  TERM,  HGS may only  submit  DIAGNOSTIC
          RESEARCH PLANS for HUMAN DIAGNOSTIC PRODUCTS in accordance with either
          of the following conditions:

          4.3.1.    HGS may  submit up to [***]  DIAGNOSTIC  RESEARCH  PLANS for
                    HUMAN DIAGNOSTIC PRODUCTS,  one such plan in connection with
                    each PROTEIN  RESEARCH PLAN submitted by HGS pursuant to the
                    JUNE 1996 SB/HGS LICENSE AGREEMENT.  The DIAGNOSTIC RESEARCH
                    PLAN shall cover only the same GENE as the PROTEIN  RESEARCH
                    PLAN and/or expression  product of such GENE and/or antibody
                    against such expression product.

          4.3.2.    HGS  may  submit  a  DIAGNOSTIC  RESEARCH  PLAN  for a HUMAN
                    DIAGNOSTIC PRODUCT which corresponds to a HGS PRODUCT, other
                    than a THERAPEUTIC PROTEIN, at the time


<PAGE>



                    HGS or its licensee  initiates a CLINICAL  STUDY of such HGS
                    PRODUCT (i.e., a DRUG PRODUCT or an ANTIBODY PRODUCT). [***]

4.4.      ALL  DIAGNOSTIC  RESEARCH  PLANS  submitted  by either  party shall be
          submitted  to the RC  established  under the JUNE 1996 SB/HGS  LICENSE
          AGREEMENT.

4.5.      In the event that SB obtains rights to a SB HUMAN  DIAGNOSTIC  PRODUCT
          pursuant  to Section 4.1 and such  diagnostic  is directed to the same
          GENE as a PROTEIN  RESEARCH PLAN submitted by HGS pursuant to the JUNE
          1996 SB/HGS LICENSE AGREEMENT,  SB shall make such SB HUMAN DIAGNOSTIC
          PRODUCT  available  to HGS or its  therapeutic  licensee  on  standard
          commercial  terms when such product becomes  available as a commercial
          product.

4.6.      In the event that the research,  development or  commercialization  of
          the  THERAPEUTIC  PROTEIN or HGS  PRODUCT in  connection  with which a
          DIAGNOSTIC RESEARCH PLAN has been submitted by HGS pursuant to Section
          4.3.1 or 4.3.2 is  terminated by HGS, all HGS rights under HGS PATENTS
          and  know-how  to the HGS HUMAN  DIAGNOSTIC  PRODUCT  (which HGS HUMAN
          DIAGNOSTIC  PRODUCT was  contained  in the  DIAGNOSTIC  RESEARCH  PLAN
          submitted by HGS in conjunction with said  THERAPEUTIC  PRODUCT or HGS
          PRODUCT) shall be assigned to SB.

5. PRODUCT DEVELOPMENT
5.1.      SB  shall  have  full   control  and   authority   over   development,
          registration and commercialization of SB HUMAN DIAGNOSTIC PRODUCT. HGS
          shall have full control and authority over  development,  registration
          and commercialization of HGS HUMAN DIAGNOSTIC PRODUCT.

5.2.      Each party may delegate such  responsibilities  in whole or in part to
          its licensees.

5.3.      Each party shall keep the other informed of progress of its efforts to
          develop and commercialize SB HUMAN DIAGNOSTIC PRODUCT or HGS


<PAGE>



          HUMAN  DIAGNOSTIC  PRODUCT.  Each  party  shall  keep the other  party
          informed  of  its,   and  its   licensees   progress  to  develop  and
          commercialize  SB HUMAN  DIAGNOSTIC  PRODUCTS or HGS HUMAN  DIAGNOSTIC
          PRODUCTS as the case may be.

5.4.      SB shall use its diligent efforts to develop, market, promote and sell
          SB  HUMAN  DIAGNOSTIC  PRODUCT  as to which SB  obtains  rights  under
          Section 4 equivalent to those efforts it uses with respect to products
          of similar value and status,  subject to SB's right to terminate  such
          efforts and surrender such rights in and to such product.

5.5.      HGS shall use its  diligent  efforts to develop,  promote and sell HGS
          HUMAN  DIAGNOSTIC  PRODUCT  as to which  HGS  obtains  rights to under
          Section 4 equivalent to those efforts it uses with respect to products
          of similar value and status,  subject to HGS's right to terminate such
          efforts and surrender such exclusive rights in and to such product.

5.6.      Within sixty (60) days after the end of each calendar year, SB and HGS
          shall provide to each other in writing  annual reports with respect to
          work  performed  by or for it under  DIAGNOSTIC  RESEARCH  PLANS which
          shall consist of updates to DIAGNOSTIC RESEARCH PLANS substantially in
          the form of the APPENDIX A.

5.7.      SB and HGS shall not use any  information  or data in  RESEARCH  PLANS
          submitted by the other,  other than  information  which is HGS SPECIAL
          TECHNOLOGY AND SPECIAL SB TECHNOLOGY as specified in Sections 1, 2 and
          3 of a RESEARCH PLAN.

6. RESEARCH TERM EXTENSIONS

6.1.      The INITIAL  RESEARCH  TERM may be  extended  by SB as  RESEARCH  TERM
          EXTENSIONS for up to five (5) additional years on a year-by-year basis
          by written  notice to HGS at least sixty (60) days prior to the end of
          the INITIAL  RESEARCH TERM or any yearly extension  thereof,  provided
          (1) such written  notice is accompanied by a payment of [***] for each
          additional  year; and (2) SB has extended the INITIAL RESEARCH TERM of
          the JUNE 1996 SB/HGS LICENSE AGREEMENT for the same period of time.

7. EXCHANGE OF INFORMATION AND CONFIDENTIALITY

7.1.      During the term of this Agreement and thereafter,  irrespective of any
          termination earlier than the expiration of the term of this Agreement,
          HGS and SB shall not use or reveal or  disclose  to THIRD  PARTIES any
          information or materials received from the other party,  without first
          obtaining the written consent of such other party, except as permitted
          hereunder. This confidentiality and non-use obligation shall not apply
          to  disclosures  to or  uses  by  TAKEDA  pursuant  to  the  SB/TAKEDA
          AGREEMENT or disclosures to or uses by COLLABORATION PARTNERS pursuant
          to COLLABORATION


<PAGE>



          PARTNER AGREEMENTS. Unless otherwise restricted by this Agreement, the
          confidentiality  and non-use  provisions of this  Paragraph  shall not
          apply to such information which

               a)   was known to the receiving  party or generally  known to the
                    public prior to its disclosure hereunder;
       
               b)   subsequently becomes known to the public by some means other
                    than a breach of this Agreement;

               c)   is subsequently  disclosed to the receiving party by a THIRD
                    PARTY having a lawful right to make such disclosure;

               d)   is  required  by  law  or  bona  fide  legal  process  to be
                    disclosed,  provided  that the  party  required  to make the
                    disclosure  takes  all  reasonable  steps  to  restrict  and
                    maintain  confidentiality  of such  disclosure  and provides
                    reasonable  notice to the party  providing  the  information
                    and/or materials;

               e)   is approved for release by the parties, or

               f)   is independently  developed by employees or agents of either
                    party  or  their  respective  parent  corporation  or  their
                    AFFILIATES and/or subsidiaries  without any knowledge of the
                    information and/or materials provided by the other party.

7.2.

          7.2.1.    Nothing in Paragraph  7.1 shall be  construed as  preventing
                    either party from disclosing any information to an AFFILIATE
                    or to a  licensee,  distributor  or joint  venture  or other
                    associated  company  of  either  party  for the  purpose  of
                    developing or commercializing  SB HUMAN DIAGNOSTIC  PRODUCT,
                    or  HGS  HUMAN  DIAGNOSTIC  PRODUCT  as  permitted  by  this
                    Agreement, provided such AFFILIATE, licensee, distributor or
                    joint venture or other  associated  company has undertaken a
                    similar  obligation  of  confidentiality  and  non-use  with
                    respect to the confidential information.

          7.2.2.    In the event that SB intends to  transfer  or  disclose  HGS
                    SPECIAL  TECHNOLOGY  or  SB  TECHNOLOGY  to  a  THIRD  PARTY
                    collaborator  that is a  not-for-profit  entity  (and/or  an
                    investigator  working for a  not-for-profit  entity) no such
                    transfer  or  disclosure  shall take place  until such THIRD
                    PARTY  enters  into  an  agreement  with SB by  which  SB is
                    granted a license to all  inventions and patent rights based
                    thereon which result from the use of such technology. To the
                    extent  any such  invention  would be HGS  TECHNOLOGY  or SB
                    TECHNOLOGY  if invented or discovered by SB and/or HGS, then
                    such  invention  shall be HGS TECHNOLOGY or SB TECHNOLOGY as
                    the case may be subject to the terms and  conditions of this
                    Agreement.  HGS  agrees  that SB may enter  into  agreements
                    pursuant to this Paragraph using an


<PAGE>



                    Agreement  substantially  in the  form  of  MTAs  used by SB
                    and/or HGS under the COLLABORATION AGREEMENT.

          7.2.3.    Either party may disclose HGS  TECHNOLOGY  and SB TECHNOLOGY
                    to THIRD PARTY contractors or collaborators to facilitate or
                    carry out research  activities under this Agreement provided
                    that such THIRD  PARTIES  enter into an agreement  with such
                    party    which    contains    confidentiality     provisions
                    substantially  the same as those set forth  herein and which
                    provides that all rights in inventions and which result from
                    the use of such technology by the THIRD PARTY shall be owned
                    by HGS  or SB or  exclusively  licensed  to HGS or SB as the
                    case may be with a right to grant  licenses.  To the  extent
                    any such  invention or discovery  would be HGS TECHNOLOGY or
                    SB  TECHNOLOGY  if invented or  discovered by SB and/or HGS,
                    then such invention or discovery  shall be HGS TECHNOLOGY or
                    SB  TECHNOLOGY  as the case may be  subject to the terms and
                    conditions of this Agreement.

7.3.      All confidential information disclosed by one party to the other shall
          remain the intellectual property of the disclosing party. In the event
          that a court or other legal or  administrative  tribunal,  directly or
          through an appointed master,  trustee or receiver,  assumes partial or
          complete control over the assets of a party to this Agreement based on
          the insolvency or bankruptcy of such party,  the bankrupt or insolvent
          party  shall  promptly  notify  the court or other  tribunal  (i) that
          confidential  information  received  from the other  party  under this
          Agreement  remains  the  property  of the other  party and (ii) of the
          confidentiality  obligations  under this Agreement.  In addition,  the
          bankrupt or  insolvent  party shall,  to the extent  permitted by law,
          take all steps necessary or desirable to maintain the  confidentiality
          of the other party's  confidential  information and to insure that the
          court,  other  tribunal or appointee  maintains  such  information  in
          confidence in accordance with the terms of this Agreement.

7.4.      No public  announcement  concerning  (i) the  existence of or terms of
          this Agreement (ii) research and/or  discoveries  made by a party and,
          (iii) exercise of a party of rights granted under this Agreement shall
          be made,  either  directly or  indirectly,  by the other party to this
          Agreement  without prior written notice to the other party and, except
          as may  be  legally  required,  or as may  be  required  for a  public
          offering of securities,  or as may be required for recording purposes,
          without first  obtaining the approval of the other party and agreement
          upon the nature and text of such  announcement.  The party desiring to
          make any such public  announcement shall inform the other party of the
          proposed  announcement  or disclosure in  reasonably  sufficient  time
          prior to public  release,  and shall  provide  the other  party with a
          written  copy  thereof,  in order to allow such other party to comment
          upon such  announcement or disclosure.  This Paragraph shall not apply
          to any  information  in a public  announcement  which  is  information
          essentially


<PAGE>



          identical to that contained in a previous public  announcement  agreed
          to pursuant to this Paragraph.

7.5.      For the  avoidance  of  doubt,  nothing  in this  Agreement  shall  be
          construed as  preventing  or in any way  inhibiting  either party from
          complying  with statutory and  regulatory  requirements  governing the
          development,  manufacture,  use and  sale  or  other  distribution  of
          products  in  any  manner  which  it  reasonably  deems   appropriate,
          including,  for  example,  by  disclosing  to  regulatory  authorities
          confidential  or  other  information  received  from a party  or THIRD
          PARTIES.  The parties shall take reasonable measures to assure that no
          unauthorized  use or  disclosure  is made by others to whom  access to
          such  information is granted.  Any materials  provided by one party to
          the other under this Agreement shall be subject to the confidentiality
          and non-use  provisions  set out in this Section.  All such  materials
          shall be used in compliance with all applicable laws and  regulations.
          SB and HGS each certifies  that it is regularly  engaged in conducting
          tests  in vitro  or in  animals  used  only  for  laboratory  research
          purposes,  that all  materials  which  SB or HGS  receive  under  this
          Agreement  will actually be used for these  purposes only, and that no
          animal used for such tests will be used for any food  purposes or kept
          as a domestic pet or livestock.

7.6.      SB and HGS agree to comply with any  applicable  law or  regulation of
          the United  States or any country  governing the export or reexport of
          products (including test equipment), software, and technical data (and
          the product of such data).

7.7.      All rights and licensing  granted under or pursuant to this  Agreement
          by HGS to SB are, and shall irrevocably be deemed to be, "intellectual
          property" as defined in Section 101(56) of the Bankruptcy Code. In the
          event of the  commencement  of a case by or against either party under
          any Chapter of the Bankruptcy  Code, this Agreement shall be deemed an
          executory  contract and all rights and obligations  hereunder shall be
          determined in accordance with Section 365(n)  thereof.  Unless a party
          rejects this  Agreement  and the other party decides not to retain its
          rights  hereunder,  the other  party  shall be  entitled to a complete
          duplicate of (or complete access to, as appropriate)  all intellectual
          property and all embodiments of such intellectual property held by the
          party and the party shall not  interfere  with the rights of the other
          party,  which are expressly  granted  hereunder,  to such intellectual
          property  and all  embodiments  of  such  intellectual  property  from
          another  entity.   Further,  this  Agreement  shall  be  deemed,  upon
          presentation  to  another  entity,  to  be  the  same  as  an  express
          instruction  by the  party  to  such  other  entity  to  provide  such
          intellectual   property  and  all  embodiments  of  such  intellectual
          property  directly to the other party.  Without limiting the foregoing
          provisions in this Paragraph, the other party shall be entitled to all
          post-bankruptcy-petition  improvements,  updates,  or  developments of
          intellectual property created


<PAGE>



          hereunder.  If such intellectual property is not fully developed as of
          the  commencement  of any bankruptcy  case, the other party shall have
          the right to complete development of the property.

7.8.      Nothing in this  Agreement  shall be  construed  as  requiring  HGS to
          disclose  HGS  SPECIAL  TECHNOLOGY  to SB or SB to disclose SB SPECIAL
          TECHNOLOGY to HGS other than as already required under Section 12.1 of
          the JUNE 1996 SB/HGS LICENSE AGREEMENT.

8. PATENT PROSECUTION AND LITIGATION
8.1.      Each  party  shall  have and retain  sole and  exclusive  title to all
          inventions,  discoveries,  designs,  works  of  authorship  and  other
          know-how which are made,  conceived,  reduced to practice or generated
          only by its  employees,  agents,  or other  persons  acting  under its
          authority.  Each party  shall own an equal  undivided  interest in all
          such inventions,  discoveries,  designs, works of authorship and other
          know-how made, conceived,  reduced to practice or generated jointly by
          employees, agents, or other persons acting under the authority of both
          parties. In the event of jointly owned inventions,  HGS shall have the
          first right to file,  prosecute and maintain  patents and applications
          directed thereto under the terms and conditions of Paragraph 8.2. If a
          joint owner does not desire to file, prosecute or maintain a patent or
          patent application to a joint inventions,  such owner shall assign its
          ownership  interest  therein  to the  other.  All  patents  and patent
          applications to joint inventions which are HGS SPECIAL  TECHNOLOGY and
          SPECIAL  SB  TECHNOLOGY  shall  be both SB  PATENTS  and HGS  PATENTS,
          subject to the terms and conditions of this Agreement;  otherwise, any
          joint owner shall be free to dispose of its interest  therein  without
          accounting to the other joint owner.

8.2.      HGS shall have the right within its sole discretion and at its expense
          to prepare,  file, prosecute and maintain HGS PATENTS. With respect to
          HGS  PATENTS  as to which SB retains a license  hereunder,  subject to
          Paragraph  8.9, HGS shall keep SB informed  with respect to the filing
          and prosecution  thereof. In the event that SB desires that HGS obtain
          and  maintain  patent  protection  in any country  with respect to HGS
          SPECIAL  TECHNOLOGY  as to which SB retains a license  hereunder,  HGS
          shall do so at the cost and expense of SB.

8.3.      SB shall have the right within its sole  discretion and at its expense
          to prepare,  file, prosecute and maintain SB PATENTS.  With respect to
          SB PATENTS  as to which HGS  retains a license  hereunder,  subject to
          Paragraph  8.10, SB shall keep HGS informed with respect to the filing
          and prosecution  thereof. In the event that HGS desires that SB obtain
          and maintain patent  protection in any country with respect to SPECIAL
          SB TECHNOLOGY as to which HGS retains a license hereunder, SB shall do
          so at the cost and expense of HGS.


<PAGE>




8.4.      Each  party,  on  behalf  of  itself  and  its  directors,  employees,
          officers,  shareholders,  agents, successors and assigns hereby waives
          any  and  all  actions  and  causes  of  action,  claims  and  demands
          whatsoever,  in law or equity of any kind it or they may have  against
          the other party,  its officers,  directors,  employees,  shareholders,
          agents,  successors and assigns, which may arise in any way, except as
          a result of gross negligence,  recklessness, or willful misconduct, in
          performance of patent activities under this Section.

8.5.      In the event  that HGS or SB  becomes  aware of  actual or  threatened
          infringement  of a SB PATENT or HGS PATENT  anywhere in the TERRITORY,
          that party shall promptly notify the other party in writing. The owner
          of the SB PATENT or HGS PATENT  shall have the first right but not the
          obligation  to  bring,  at its own  expense,  an  infringement  action
          against  any  THIRD  PARTY  and to  use  the  other  party's  name  in
          connection  therewith.  If the owner of the patent does not commence a
          particular  infringement  action  within  thirty (30) days,  the other
          party,  after  notifying  the owner in  writing,  shall be entitled to
          bring such  infringement  action at its own expense to the extent that
          such party is  licensed  thereunder  and in its own name and/or in the
          name of the owning party. The foregoing notwithstanding,  in the event
          that   an   alleged   infringer   certifies   pursuant   to   21   USC
          355(b)(2)(A)(vii)(IV) or (j)(2)(A)(iv) against an issued HGS PATENT or
          SB PATENT  covering a HUMAN  DIAGNOSTIC  PRODUCT,  the party receiving
          notice of such certification  shall immediately notify the other party
          of such  certification,  and if fourteen (14) days prior to expiration
          of the forty five (45) day period set forth in 21 USC  355(c)(3)(C) or
          (j)(4)(B)(iii),  the owner of the HGS  PATENT  or SB  PATENT  fails to
          commence an infringement  action,  the party receiving  notice, in its
          sole  discretion,  at its own  expense  and to the  extent  that it is
          licensed under the HGS PATENT or SB PATENT, shall be entitled to bring
          such  infringement  action  in its own name  and/or in the name of the
          owning party. The party conducting such action shall have full control
          over  its  conduct,   including   settlement   thereof  provided  such
          settlement  shall not be made without the prior written consent of the
          other  party if it would  adversely  affect the  patent  rights of the
          other  party.  In any event,  HGS and SB shall  assist one another and
          cooperate  in any  such  litigation  at the  other's  request  without
          expense to the requesting party.

8.6.      HGS  and  SB  shall  recover  their  respective  actual  out-of-pocket
          expenses,  or  equitable  proportions  thereof,  associated  with  any
          litigation or settlement  thereof from any recovery made by any party.
          Any  excess  amount  shall be shared  between  SB and HGS in an amount
          proportional to their respective losses and expenses.

8.7.      The parties  shall keep one  another  informed of the status of and of
          their   respective   activities   regarding  any  such  litigation  or
          settlement thereof.


<PAGE>




8.8.      The owner of a SB PATENT or HGS PATENT  shall have the first  right to
          seek extensions of the terms of the patent and to seek to obtain SPCs.
          A party  who is  developing,  selling  or  planning  to sell a product
          covered  by a patent  shall have the second  right.  Each party  shall
          assist the other in the obtaining of such extensions or SPCs including
          by authorizing the other party to act as its agent.

8.9.      The  disclosure  obligations  of Paragraph 8.2 shall only apply to HGS
          PATENTS which include HGS SPECIAL  TECHNOLOGY  which HGS has disclosed
          to SB pursuant to the JUNE 1996 SB/HGS LICENSE AGREEMENT.

8.10.     The  disclosure  obligations  of Paragraph  8.3 shall only apply to SB
          PATENTS which claim  SPECIAL SB  TECHNOLOGY  which SB has disclosed to
          HGS pursuant to the JUNE 1996 SB HGS LICENSE AGREEMENT.

9. TRADEMARKS AND NON-PROPRIETARY NAMES
9.1.      SB,  at  its  expense,   shall  be  responsible   for  the  selection,
          registration  and  maintenance of all  trademarks  which it employs in
          connection with SB HUMAN DIAGNOSTIC  PRODUCT and shall own and control
          such  trademarks.  Nothing in this  Agreement  shall be construed as a
          grant  of  rights,  by  license  or  otherwise,  to HGS  to  use  such
          trademarks for any purpose other than as provided in this Agreement.

9.2.      SB,  at its  expense,  shall  be  responsible  for the  selection  and
          registration  of  non-proprietary  names  employed  by SB for SB HUMAN
          DIAGNOSTIC PRODUCT.

9.3.      HGS,  at  its  expense,   shall  be  responsible  for  the  selection,
          registration  and  maintenance of all  trademarks  which it employs in
          connection with HGS HUMAN DIAGNOSTIC PRODUCT and shall own and control
          such  trademarks.  Nothing in this  Agreement  shall be construed as a
          grant of rights, by license or otherwise, to SB to use such trademarks
          for any purpose other than as provided in this Agreement.

9.4.      HGS,  at its  expense,  shall be  responsible  for the  selection  and
          registration  of  non-proprietary  names employed by HGS for HGS HUMAN
          DIAGNOSTIC PRODUCT.

10. STATEMENTS AND REMITTANCES
10.1.     Each party,  as the case may be, shall keep and require its  licensees
          to keep  complete and  accurate  records of all NET SALES of HGS HUMAN
          DIAGNOSTIC  PRODUCT  and  SB  HUMAN  DIAGNOSTIC  PRODUCT,  subject  to
          royalties under the licenses granted herein. Each party shall have the
          right, at its expense,  through a certified public  accountant or like
          person  reasonably  acceptable  to the other  party,  to examine  such
          records during


<PAGE>



          regular  business  hours during the life of this Agreement and for six
          (6)  months  after  its  termination;  provided,  however,  that  such
          examination  shall  not take  place  more  often  than once a year and
          provided  further  that such  accountant  shall  report only as to the
          accuracy  of  the  royalty  statements  and  payments,  including  the
          magnitude  and  source  of any  discrepancy.  Neither  party nor their
          licensees  shall be required to  maintain  such  records for more than
          three (3) years.

10.2.     Within sixty (60) days after the close of each calendar quarter,  each
          party  shall  deliver to the other a true  accounting  of all SB HUMAN
          DIAGNOSTIC PRODUCT, or HGS HUMAN DIAGNOSTIC PRODUCT sold by it and its
          licensees and distributors during such quarter for which royalties are
          payable  and  shall  at the  same  time pay all  royalties  due.  Such
          accounting   shall   show   sales   on   a   country-by-country    and
          product-by-product basis.

10.3.     Any tax paid or required  to be  withheld on account of the  licensing
          party  based  on  royalties  payable  under  this  Agreement  shall be
          deducted  from the amount of royalties  otherwise  due.  Taxes paid or
          withheld  from  monies  due  SB by its  licensees  shall  be  deducted
          proportionately  from the  amount of monies  otherwise  due HGS.  Each
          party  shall  secure  and send to the  other  proof of any such  taxes
          withheld and paid.

10.4.     All  royalties  due under  this  Agreement  shall be  payable  in U.S.
          dollars.  If  governmental  regulations  prevent  remittances  from  a
          foreign  country  with  respect  to sales  made in that  country,  the
          obligation  to pay  royalties  on  sales  in  that  country  shall  be
          suspended until such  remittances are possible.  Each party shall have
          the right, upon giving written notice to the other, to receive payment
          in that country in local currency.

10.5.     Monetary  conversions from the currency of a foreign country, in which
          a product is sold,  into United States  currency  shall be made at the
          official  exchange  rate  in  force  in  that  country  for  financial
          transactions on the last business day of the calendar  quarter or half
          year for  which the  royalties  are  being  paid.  If there is no such
          official  exchange rate, the conversion  shall be made at the rate for
          such  remittances  on that date as certified by  Citibank,  N.A.,  New
          York, New York, U.S.A.

11. TERM AND TERMINATION
11.1.     This  Agreement  shall come into effect as of the  EFFECTIVE  DATE and
          shall remain in full force and effect  unless  earlier  terminated  as
          provided in this Section 11.

11.2.     In the event HGS fails to make a payment  to SB under  this  Agreement
          with respect to a HGS HUMAN  DIAGNOSTIC  PRODUCT when due, or fails to
          meet its  obligations  under  Section  5 with  respect  to a HGS HUMAN
          DIAGNOSTIC PRODUCT, in addition to any other remedy which it may


<PAGE>



          have,  SB may  notify  HGS in writing  that all of HGS's  rights  with
          respect to such HGS HUMAN  DIAGNOSTIC  PRODUCT  shall  terminate as of
          sixty (60) days  after  such  written  notice  and HGS's  rights  with
          respect  thereto shall  terminate  unless such payment is made or such
          failure  is cured,  prior to the  expiration  of such  sixty  (60) day
          period.

11.3.     In the event SB fails to make a payment  to HGS under  this  Agreement
          with  respect to a SB HUMAN  DIAGNOSTIC  PRODUCT when due, or fails to
          meet  its  obligations  under  Section  5 with  respect  to a SB HUMAN
          DIAGNOSTIC PRODUCT, in addition to any other remedy which it may have,
          HGS may notify SB in writing  that all of SB's rights with  respect to
          such SB HUMAN DIAGNOSTIC PRODUCT shall terminate as of sixty (60) days
          after such written  notice and SB's rights with respect  thereto shall
          terminate unless such payment is made or such failure is cured,  prior
          to the expiration of such sixty (60) day period.

11.4.     Either party may terminate  this  Agreement if, at any time, the other
          party  shall file in any court or agency  pursuant  to any  statute or
          regulation  of any state or  country,  a  petition  in  bankruptcy  or
          insolvency  or for  reorganization  or for an  arrangement  or for the
          appointment of a receiver or trustee of the party or of its assets, or
          if the other party  proposes a written  agreement  of  composition  or
          extension of its debts,  or if the other party shall be served with an
          involuntary  petition against it, filed in any insolvency  proceeding,
          and such petition shall not be dismissed  within sixty (60) days after
          the filing thereof,  or if the other party shall propose or be a party
          to any dissolution or liquidation, or if the other party shall make an
          assignment for the benefit of creditors.

11.5.     Notwithstanding  the  bankruptcy  of HGS or SB, or the  impairment  of
          performance by HGS or SB of its obligations  under this Agreement as a
          result of bankruptcy or insolvency of HGS or SB, the other party shall
          be entitled to retain the licenses  granted herein,  subject to rights
          of a  party  to  terminate  this  Agreement  for  reasons  other  than
          bankruptcy or insolvency as expressly provided in this Agreement.

11.6.     Neither party shall have the right to terminate this Agreement  except
          under Paragraph 11.4,  provided however that nothing in this Agreement
          shall limit any remedies for breach which may be available pursuant to
          a judgment of a court, in law or equity, including termination of this
          Agreement or of any or all rights hereunder.

12. RIGHTS AND DUTIES UPON TERMINATION
     
12.1.     Upon  termination of this Agreement in its entirety or with respect to
          any SB HUMAN DIAGNOSTIC  PRODUCT or HGS HUMAN DIAGNOSTIC PRODUCT or to
          any  country,  each party shall notify the other of the amount of such
          product it and its licensees and  distributors  then have on hand, the
          sale of which would, but for the termination, be subject to


<PAGE>



          royalty,  and such  party and its  licensees  and  distributors  shall
          thereupon  be  permitted  to sell that amount of the product  provided
          that the  party  shall  pay the  royalty  thereon  at the time  herein
          provided for.

12.2.     Termination  of  this  Agreement   shall   terminate  all  outstanding
          obligations  and  liabilities  between the parties  arising  from this
          Agreement except those described in Paragraphs  2.2.4,  2.3.2,  2.3.4,
          7.1, 7.3, 7.5, and 8.1 and Sections 10, 12, 14, 16, and 23, as well as
          any provision not specified in this  Paragraph  which is clearly meant
          to survive termination of this Agreement.

12.3.     Termination of the Agreement in accordance with the provisions  hereof
          shall not limit  remedies  which may be otherwise  available in law or
          equity.

13. WARRANTIES AND REPRESENTATIONS

          Nothing in this  Agreement  shall be construed  as a warranty  that SB
          PATENTS,  COLLABORATION  PARTNER  PATENTS or HGS  PATENTS are valid or
          enforceable or that their exercise does not infringe any patent rights
          of THIRD PARTIES. A holding of invalidity or  unenforceability  of any
          such patent,  from which no further  appeal is or can be taken,  shall
          not affect any obligation  already accrued  hereunder,  but shall only
          eliminate royalties otherwise due under such patent from the date such
          holding becomes final.

13.1.     Each party warrants and represents that it has the right to enter into
          this Agreement and to perform in accordance therewith.

13.2.     Except as otherwise expressly set forth herein neither party makes any
          representations  or extends any warranties of any kind, either express
          or   implied,   including,   but  not  limited   to,   warranties   of
          merchantability or fitness for a particular purpose.

13.3.     Each party guarantees that its respective  AFFILIATES will perform all
          obligations   under  this  Agreement  as  if  such   AFFILIATES   were
          signatories of this Agreement.

14. INDEMNIFICATION

14.1.     SB shall defend,  indemnify and hold harmless HGS,  AFFILIATES of HGS,
          licensors   of  HGS  and   their   respective   directors,   officers,
          shareholders,  agents  and  employees,  from and  against  any and all
          liability,  loss, damages and expenses (including  attorneys' fees) as
          the result of claims, demands, costs or judgments which may be made or
          instituted  against  any of  them  arising  out  of  the  manufacture,
          possession,  distribution,  use, testing, sale or other disposition by
          or  through  SB or any THIRD  PARTY  granted  rights by SB under  this
          Agreement  of any SB HUMAN  DIAGNOSTIC  PRODUCT.  SB's  obligation  to
          defend,  indemnify and hold harmless  shall include  claims,  demands,
          costs or judgments, whether for


<PAGE>



          money damages or equitable relief by reason of alleged personal injury
          (including death) to any person or alleged property damage,  provided,
          however,  the  indemnity  shall not  extend to any  claims  against an
          indemnified  party which result from the gross  negligence  or willful
          misconduct  of such  indemnified  party.  SB shall have the  exclusive
          right to control the defense of any action which is to be  indemnified
          in whole by SB  hereunder,  including  the  right  to  select  counsel
          acceptable  to HGS to defend  HGS and to settle  any  claim,  provided
          that,  without  the  written  consent  of  HGS  (which  shall  not  be
          unreasonably  withheld or  delayed),  SB shall not agree to settle any
          claim  against  HGS to the extent  such  claim has a material  adverse
          effect on HGS. The  provisions  of this  Paragraph  shall  survive and
          remain in full force and effect after any  termination,  expiration or
          cancellation  of this Agreement and obligation  hereunder  shall apply
          whether or not such claims are  rightfully  brought.  SB shall require
          each  licensee to agree to indemnify HGS in a manner  consistent  with
          this Paragraph.

14.2.     HGS shall defend,  indemnify  and hold harmless SB,  AFFILIATES of SB,
          licensors   of  SB   and   their   respective   directors,   officers,
          shareholders,  agents  and  employees,  from and  against  any and all
          liability,  loss, damages and expenses (including  attorneys' fees) as
          the result of claims, demands, costs or judgments which may be made or
          instituted  against  any of  them  arising  out  of  the  manufacture,
          possession,  distribution,  use, testing, sale or other disposition by
          or through HGS or its  AFFILIATES or any THIRD PARTY granted rights by
          HGS under this Agreement of any HGS HUMAN  DIAGNOSTIC  PRODUCT.  HGS's
          obligation  to  defend,  indemnify  and hold  harmless  shall  include
          claims,  demands,  costs or  judgments,  whether for money  damages or
          equitable  relief by  reason of  alleged  personal  injury  (including
          death) to any person or alleged  property damage,  provided,  however,
          the indemnity  shall not extend to any claims  against an  indemnified
          party which result from the gross negligence or willful  misconduct of
          such indemnified  party. HGS shall have the exclusive right to control
          the defense of any action which is to be  indemnified  in whole by HGS
          hereunder,  including the right to select counsel  acceptable to SB to
          defend SB and to settle any claim,  provided that, without the written
          consent of SB (which shall not be  unreasonably  withheld or delayed),
          HGS shall not agree to settle any claim  against SB to the extent such
          claim has a  material  adverse  effect on SB. The  provisions  of this
          Paragraph  shall survive and remain in full force and effect after any
          termination,  expiration  or  cancellation  of this  Agreement and HGS
          obligation  hereunder  shall  apply  whether  or not such  claims  are
          rightfully  brought.  HGS  shall  require  each  licensee  to agree to
          indemnify SB in a manner consistent with this Paragraph.

14.3.     A person or entity that  intends to claim  indemnification  under this
          Section 14 (the  "Indemnitee")  shall promptly  notify the other party
          (the "Indemnitor") of any loss, claim, damage,  liability or action in
          respect of which the Indemnitee intends to claim such indemnification,
          and the


<PAGE>



          Indemnitor,  after it determines that  indemnification  is required of
          it,   shall  assume  the  defense   thereof   with  counsel   mutually
          satisfactory  to the parties;  provided,  however,  that an Indemnitee
          shall  have the right to  retain  its own  counsel,  with the fees and
          expenses to be paid by the  Indemnitor if  Indemnitor  does not assume
          the defense;  or, if  representation of such Indemnitee by the counsel
          retained by the  Indemnitor  would be  inappropriate  due to actual or
          potential  differing  interests  between such Indemnitee and any other
          party represented by such counsel in such  proceedings.  The indemnity
          agreement  in this  Section  14 shall  not  apply to  amounts  paid in
          settlement  of any loss,  claim,  damage,  liability or action is such
          settlement is effected  without the consent of the  Indemnitor,  which
          consent  shall not be  withheld  unreasonably.  The failure to deliver
          notice  to  the  Indemnitor   within  a  reasonable   time  after  the
          commencement  of any such  action,  if  prejudicial  to its ability to
          defend such action,  shall relieve such Indemnitor of any liability to
          the  Indemnitee  under this Section 14, but the omission so to deliver
          notice to the Indemnitor  will not relieve it of any liability that it
          may have to any  Indemnitee  otherwise than under this Section 14. The
          Indemnitee  under this  Section 14 its  employees  and  agents,  shall
          cooperate fully with the Indemnitor and its legal  representatives  in
          the  investigations of any action,  claim or liability covered by this
          indemnification.  In the event that each party claims  indemnity  from
          the other and one party is finally held liable to indemnify the other,
          the  Indemnitor  shall  additionally  be liable to pay the  reasonable
          legal  costs  and  attorneys'  fees  incurred  by  the  Indemnitee  in
          establishing its claim for indemnity.

15. FORCE MAJEURE

15.1.     If the  performance of any party of this Agreement by either party, or
          of any  obligation  under this  Agreement,  is prevented,  restricted,
          interfered  with  or  delayed  by  reason  of any  clause  beyond  the
          reasonable  control of the party liable to perform,  unless conclusive
          evidence to the  contrary is  provided,  the party so affected  shall,
          upon giving  written  notice to the other party,  be excused from such
          performance   to  the   extent   of  such   prevention,   restriction,
          interference or delay,  provided that the affected party shall use its
          reasonable   best   efforts  to  avoid  or  remove   such   causes  of
          non-performance  and  shall  continue   performance  with  the  utmost
          dispatch  whenever  such causes are removed.  When such  circumstances
          arise,  the parties shall discuss  what, if any,  modification  of the
          terms of this  Agreement  may be  required  in order to  arrive  at an
          equitable solution.

16. GOVERNING LAW

16.1.     This Agreement  shall be deemed to have been made in the  Commonwealth
          of Pennsylvania and its form,  execution,  validity,  construction and
          effect  shall  be  determined  in  accordance  with  the  laws  of the
          Commonwealth of Pennsylvania, U.S.A. 17.

<PAGE>



17. SEPARABILITY

17.1.     In the event any portion of this Agreement shall be held illegal, void
          or  ineffective,  the remaining  portions  hereof shall remain in full
          force and effect.

17.2.     If any of the terms or  provisions  of this  Agreement are in conflict
          with  any  applicable  statute  or rule of law,  then  such  terms  or
          provisions  shall be deemed  inoperative  to the extent  that they may
          conflict  therewith and shall be deemed to be modified to conform with
          such statute or rule of law.

17.3.     In the event  that the  terms and  conditions  of this  Agreement  are
          materially altered as a result of Paragraphs 17.1 or 17.2, the parties
          will  renegotiate  in good  faith  the terms  and  conditions  of this
          Agreement to resolve any inequities.

18. ENTIRE AGREEMENT

18.1.     This  Agreement,  the JUNE  1996  SB/HGS  LICENSE  AGREEMENT,  and the
          COLLABORATION  PARTNER  AGREEMENTS entered into as of the date written
          above,  constitutes the entire agreement  between the parties relating
          to the subject matter hereof and supersedes all previous  writings and
          understandings relating to such subject matter. No terms or provisions
          of this  Agreement  shall  be  varied  or  modified  by any  prior  or
          subsequent statement,  conduct or act of either of the parties, except
          that the  parties  may amend this  Agreement  by  written  instruments
          specifically  referring  to and  executed  in the same  manner as this
          Agreement.

18.2.     The  headings  and  titles  to the  Sections  and  Paragraphs  of this
          Agreement are inserted for convenience  only and shall not be deemed a
          part  hereof or  affect  the  construction  or  interpretation  of any
          provision hereof.

19. NOTICES

19.1.     Any notice required or permitted under this Agreement shall be sent by
          air mail, postage pre-paid,  courier or fax to the following addresses
          of the  parties  or such other  addresses  as may be  notified  to the
          parties as provided herein:

                        HGS:        HUMAN GENOME SCIENCES,  INC.
                                    Key West Avenue
                                    Rockville, Maryland 20850
                                    Attention: Chief Executive Officer
                                    fax: 301-309-0092

                        copy to:    HGS: HUMAN GENOME SCIENCES, INC.
                                    Key West Avenue
                                    Rockville, Maryland 20850
                                    Attention:  General Counsel
                                    fax: 301-309-8439


<PAGE>



                        SB:         SMITHKLINE BEECHAM CORPORATION
                                    Swedeland Road
                                    King of Prussia, Pennsylvania 19103
                                    Attention:  Director,
                                    Alliances & Technologies Group
                                    SmithKline Beecham Pharmaceuticals
                                    fax: 610-270-6663

                        copy to:    SMITHKLINE BEECHAM CORPORATION
                                    Swedeland Road
                                    P.O. Box 1539
                                    King of Prussia, Pennsylvania 19406
                                    Attention:  Corporate Intellectual Property
                                    fax: 610-270-4026

19.2.     Any notice required or permitted to be given concerning this Agreement
          shall be effective upon receipt by the party to whom it is addressed.

20. ASSIGNMENT

20.1.     This  Agreement and the licenses  herein granted shall be binding upon
          and  inure  to  the  benefit  of the  successors  in  interest  of the
          respective parties.  Neither this Agreement nor any interest hereunder
          shall be assignable by either party without the written consent of the
          other provided,  however,  that SB or HGS may assign this Agreement or
          any of its rights or obligations  hereunder to any AFFILIATE or to any
          THIRD PARTY with which it may merge or consolidate, or to which it may
          transfer  all or  substantially  all  of  its  assets  to  which  this
          Agreement  relates,  without obtaining the consent of the other party,
          provided the assigning  party remains  liable under this Agreement and
          that the THIRD PARTY  assignee or surviving  entity assumes in writing
          all of its obligations under this Agreement.

21. RECORDING

21.1.     SB and HGS shall have the right, at any time, to record,  register, or
          otherwise  notify  this  Agreement  in  appropriate   governmental  or
          regulatory  offices  anywhere  in the  TERRITORY,  and the other party
          shall  provide  reasonable   assistance  to  the  notifying  party  in
          effecting such recording, registering or notifying.

22. DISPUTE RESOLUTION

22.1.     Senior management of SB and HGS shall endeavor to resolve all disputes
          under this Agreement.

22.2.     If senior  management  does not timely resolve any such dispute,  then
          either  party may submit such to binding  arbitration  pursuant to the
          SB/HGS


<PAGE>



          arbitration  agreement  dated 19 August,  1993 as may be amended  from
          time to time.

23. COVENANTS
23.1.

          23.1.1.   SB agrees not to use SB TECHNOLOGY except

                    23.1.1.1.     during the INITIAL  RESEARCH TERM and RESEARCH
                                  TERM   EXTENSIONS  to  perform   research  and
                                  development of HUMAN  DIAGNOSTIC  PRODUCTS and
                                  after the INITIAL  RESEARCH  TERM and RESEARCH
                                  TERM   EXTENSIONS  to  perform   research  and
                                  development of a SB HUMAN  DIAGNOSTIC  PRODUCT
                                  pursuant  to  a   DIAGNOSTIC   RESEARCH   PLAN
                                  submitted  by or on behalf of SB  pursuant  to
                                  this Agreement, 23.1.1.2. in the HGS FIELD (as
                                  defined  in  the  JUNE  1996  SB/HGS   LICENSE
                                  AGREEMENT) only (i) in furtherance of research
                                  and development of HUMAN  DIAGNOSTIC  PRODUCTS
                                  during the INITIAL  RESEARCH TERM AND RESEARCH
                                  TERM  EXTENSIONS,  and (ii) after the  INITIAL
                                  RESEARCH  TERM AND  RESEARCH  TERM  EXTENSIONS
                                  only   in    furtherance   of   research   and
                                  development  of SB HUMAN  DIAGNOSTIC  PRODUCTS
                                  pursuant  to  a   DIAGNOSTIC   RESEARCH   PLAN
                                  submitted  by or on behalf of SB  pursuant  to
                                  this Agreement,  23.1.1.3. to make, have made,
                                  use,  and  sell SB  HUMAN  DIAGNOSTIC  PRODUCT
                                  (other  than SB HUMAN  DIAGNOSTIC  PRODUCTS to
                                  which  SB's   rights   have  been   terminated
                                  pursuant  to  Paragraph  11.3),  23.1.1.4.  to
                                  grant licenses that SB is otherwise  permitted
                                  to  grant  pursuant  to  this  Agreement,  and
                                  23.1.1.5.  as otherwise  permitted in the JUNE
                                  1996 SB/HGS LICENSE AGREEMENT.

                    23.1.2.       During and after the INITIAL RESEARCH TERM, SB
                                  agrees  not  to  use  HGS  SPECIAL  TECHNOLOGY
                                  except as licensed and  permitted  pursuant to
                                  this Agreement or the JUNE 1996 SB/HGS LICENSE
                                  AGREEMENT.

                    23.1.3.       Notwithstanding  the preceding,  SB shall have
                                  the right to use SB TECHNOLOGY  that is solely
                                  based on or derived from published information
                                  and/or  information  which  otherwise  becomes
                                  lawfully  known  to SB  independently  of this
                                  Agreement,  unless:  (i)  the  information  is
                                  claimed in a published HGS PATENT or SB PATENT
                                  and there is no THIRD PARTY patent application
                                  or patent with an earlier  priority date which
                                  discloses the information or


<PAGE>



                                  (ii)  the  SB   TECHNOLOGY   results   from  a
                                  DIAGNOSTIC RESEARCH PLAN undertaken by SB.

23.2.     HGS  shall  not use  SPECIAL  SB  TECHNOLOGY  except  as  licensed  or
          permitted under this  Agreement.  Notwithstanding  the preceding,  HGS
          shall have the right to use  SPECIAL SB  TECHNOLOGY  independently  of
          this  Agreement  if such SPECIAL SB  TECHNOLOGY  is solely based on or
          derived from published  information and/or information which otherwise
          becomes lawfully known to HGS independently of this Agreement, unless:
          the  information is claimed in a published HGS PATENT or SB PATENT and
          there is no THIRD PARTY patent  application  or patent with an earlier
          priority date which discloses the information.

23.3.     Notwithstanding  anything else to the contrary,  the following uses of
          SB TECHNOLOGY  and/or HGS SPECIAL  TECHNOLOGY shall not be a breach of
          this Agreement by SB:

          23.3.1.   use of  unpatented  HGS  TECHNOLOGY  outside a RESEARCH PLAN
                    submitted  by SB in  accordance  with this  Agreement or the
                    JUNE 1996 SB/HGS  LICENSE  AGREEMENT  after the later of the
                    end of the INITIAL RESEARCH TERM or RESEARCH TERM EXTENSIONS
                    which HGS  TECHNOLOGY  at the time of such use is  generally
                    available to the public, and/or

          23.3.2.   use of SB TECHNOLOGY outside a RESEARCH PLAN submitted by SB
                    in  accordance  with this  Agreement or the JUNE 1996 SB/HGS
                    LICENSE  AGREEMENT  developed  after the later of the end of
                    the INITIAL  RESEARCH TERM or RESEARCH TERM EXTENSIONS which
                    is SB  TECHNOLOGY  only as a result of the use of unpatented
                    HGS TECHNOLOGY which is generally available to the public at
                    the time of such use; and/or

          23.3.3.   use of BIOINFORMATICS  after the end of the INITIAL RESEARCH
                    TERM or RESEARCH TERM EXTENSION which  BIOINFORMATICS  is SB
                    TECHNOLOGY; and/or 23.3.4. use of SB TECHNOLOGY with respect
                    to any products discovered four (4) years after the later of
                    the  end of the  INITIAL  RESEARCH  TERM  or  RESEARCH  TERM
                    EXTENSIONS  outside  a  RESEARCH  PLAN  submitted  by  SB in
                    accordance  with  this  Agreement  or the JUNE  1996  SB/HGS
                    LICENSE AGREEMENT.

24. COUNTERPARTS

24.1.     This Agreement may be executed in any number of counterparts, and each
          such counterpart shall be deemed an original instrument,  but all such
          counterparts together shall constitute but one agreement.


<PAGE>




            IN WITNESS WHEREOF, the parties,  through their authorized officers,
have executed this Agreement as of the date first written above.


SmithKline Beecham Corporation


By:______________________________


SmithKline Beecham, p.l.c.


By:______________________________



Human Genome Sciences, Inc.


By:______________________________



<PAGE>



                                   Appendix A

                         SAMPLE DIAGNOSTIC RESEARCH PLAN


1.          Background

               a.   Target Identification (HGS Sequence ID#)

               b.   Brief  description  of data regarding  potential  diagnostic
                    utility

2.          Key milestones

               a.   List key milestones and anticipated dates for achievement

               b.   Describe  current  status of project  relative to milestones
                    and associated dates for accomplishments

3.          Clinical Evaluation

               a.   List clinical utility claims desired

               b.   Briefly describe the studies needed for clinical  evaluation
                    and status of those studies.

4.          Patent Status




                                                                    EXHIBIT 11.1
                          COMPUTATION OF PER SHARE DATA
                      (In thousands, except per share data)



<TABLE>
<CAPTION>
                                                        Three months ended June 30,        Six months ended June 30,
                                                           1997              1996             1997            1996
                                                      ---------------   --------------   --------------  --------------
<S>                                                   <C>               <C>                 <C>          <C>           
NET INCOME (LOSS).................................... $         2,873   $        2,629      $    (9,168) $        6,916
                                                      ===============   ==============   ==============  ==============

PRIMARY:
    Weighted average number of common shares                   22,059           18,655           20,770          18,546
           outstanding...............................

    Shares issuable  upon exercise  of dilutive stock
           options  and  warrants  --- net of  shares
           assumed to be repurchased  (at the average
           market price for the period) from exercise
           proceeds..................................             664              944                0             991
                                                      ---------------   --------------   --------------  --------------
Shares used for computation..........................          22,723           19,599           20,770          19,537
                                                      ===============   ==============   ==============  ==============

EARNINGS (LOSS) PER SHARE OF COMMON STOCK            
(PRIMARY)............................................ $          0.13   $         0.13   $       (0.44)  $         0.35
                                                      ===============   ==============   ==============  ==============

ASSUMING FULL DILUTION:
    Weighted average number of common shares                   22,059           18,655           20,770          18,546
           outstanding...............................

    Shares issuable upon exercise of dilutive stock 
           options  and  warrants  --- net of  shares
           assumed to be  repurchased  (at the higher
           of period-end  market price or the average
           market price for the period) from exercise
           proceeds..................................             664              944                0             991
                                                      ---------------   --------------   --------------  --------------
Shares used for computation..........................          22,723           19,599           20,770          19,537
                                                      ===============   ==============   ==============  ==============

EARNINGS (LOSS) PER SHARE OF COMMON STOCK
(ASSUMING FULL DILUTION)  (1)........................ $          0.13   $         0.13   $       (0.44)  $         0.35
                                                      ===============   ==============   ==============  ==============

NOTES & ASSUMPTIONS:
(1)  Not presented as dilution is less than 3%.

</TABLE>




<TABLE> <S> <C>


<ARTICLE>                     5
<MULTIPLIER>                                   1,000
<CURRENCY>                                     US DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              DEC-31-1996
<PERIOD-START>                                 JAN-01-1997
<PERIOD-END>                                   JUN-30-1997
<EXCHANGE-RATE>                                      1
<CASH>                                         113,981
<SECURITIES>                                    94,582
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                               222,221
<PP&E>                                          34,305
<DEPRECIATION>                                  15,536
<TOTAL-ASSETS>                                 243,553
<CURRENT-LIABILITIES>                            8,231
<BONDS>                                          2,668
                              222
                                          0
<COMMON>                                             0
<OTHER-SE>                                     232,300
<TOTAL-LIABILITY-AND-EQUITY>                   243,553
<SALES>                                              0
<TOTAL-REVENUES>                                16,100
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                24,070
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 284
<INCOME-PRETAX>                                 (8,923)
<INCOME-TAX>                                       245
<INCOME-CONTINUING>                             (9,168)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    (9,168)
<EPS-PRIMARY>                                     (.44)
<EPS-DILUTED>                                     (.44)
        


</TABLE>


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