NPS PHARMACEUTICALS INC
10-Q, 1997-08-14
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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<PAGE>

                          SECURITIES AND EXCHANGE COMMISSION
                                 WASHINGTON, DC 20549

                                      FORM 10-Q



(Mark One)

    /x/  Quarterly report pursuant to Section 13 or 15(d) of the Securities
         Exchange Act of 1934. 

         For the quarterly period ended June 30, 1997 or

    / /  Transition report pursuant to Section 13 or 15(d) of the Securities
         Exchange Act of 1934

         For the transition period from __________________ to _________________
                                           
    Commission file number 0-23272




                              NPS PHARMACEUTICALS, INC.                        
              (Exact name of Registrant as Specified in Its Charter)

      Delaware                                          87-0439579            
- --------------------------------------------------------------------------------
(State or Other Jurisdiction of            (I.R.S. Employer Identification No.)
Incorporation or Organization)

    420 Chipeta Way, Salt Lake City, Utah                      84108-1256
- --------------------------------------------------------------------------------
(Address of principal executive offices)                        (Zip Code)

    (801) 583-4939
- --------------------------------------------------------------------------------
(Registrant's Telephone Number, Including Area Code)

    N/A       
- --------------------------------------------------------------------------------
(Former Name, Former Address and Former Fiscal Year, if Changed Since Last 
Report)

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

    Indicate the number of shares outstanding of each of the issuer's classes
of common stock, as of the latest practicable date.

            Class                        Outstanding at June 30, 1997
            -----                        ----------------------------
    Common Stock $.001 par value                   11,928,574
    Preferred Stock $.001 par value                    -0-             


<PAGE>

                              NPS PHARMACEUTICALS, INC.

                                  TABLE OF CONTENTS

                                                             Page No.
PART I   FINANCIAL INFORMATION                               --------
         
         Item 1  Financial Statements
              
                 Balance Sheets                                  3

                 Statement of Operations                         4

                 Statement of Cash Flows                         5

                 Notes to Financial Statements                   7

         Item 2  Management's Discussion and Analysis of 
                 Financial Condition and Results of 
                 Operations                                      8


PART II  OTHER INFORMATION        

         Item 5   Other Information                             11

         Item 6   Exhibits and Reports on Form 8-K

                  (a)  Exhibits
         
                       EXHIBIT NO.

                       10.32*   Research and Development 
                                Agreement between Systems 
                                Integration Drug Discovery 
                                Company, Inc. (doing business
                                as SIDDCO Inc.) and NPS 
                                Pharmaceuticals, Inc.
         ____________________________
         *   Confidential treatment has been requested with 
             respect to this exhibit.

         (b)  Reports on Form 8-K - None                   

SIGNATURES                                                      12



                            NPS Pharmaceuticals, Inc.

                                      -2-
<PAGE>


                            NPS PHARMACEUTICALS, INC.
                          (A Development Stage Company)

                                 Balance Sheets

<TABLE>
<CAPTION>
                                                 June 30,      December 31, 
Assets                                             1997             1996
                                               -----------     ------------
                                               (Unaudited)       (Audited)
<S>                                           <C>             <C>
Current assets:
     Cash and cash equivalents                $  62,811,774   $  68,961,764 
     Accounts receivable                            106,350         415,208 
     Prepaid expenses                               343,750               - 
                                              -------------   -------------
          Total current assets                   63,261,874      69,376,972 

Plant and equipment:
     Equipment                                    3,997,884       3,259,376 
     Leasehold improvements                       2,427,974       1,997,994  
                                              -------------   -------------
                                                  6,425,858       5,257,370 
     Less accumulated depreciation and 
       amortization                               2,987,665       2,477,665 
                                              -------------   -------------
          Net plant and equipment                 3,438,193       2,779,705 

Other assets                                          5,461           3,267 
                                              -------------   -------------
                                              $  66,705,528   $  72,159,944 
                                              -------------   -------------
                                              -------------   -------------

Liabilities and Stockholders' Equity

Current liabilities:
     Current installments of obligations 
       under capital leases                   $      43,377   $      53,339 
     Current installments of long-term debt         392,517         369,467 
     Accounts payable                               565,000         619,120 
     Accrued expenses                               294,592         271,677 
     Deferred income                                250,000         500,000 
     Income tax payable                              20,000         150,000 
                                              -------------   -------------
          Total current liabilities               1,565,486       1,963,603 

Obligations under capital leases, excluding 
  current installments                               35,690          27,295 
Long-term debt, excluding current installments       97,905         299,534 
                                              -------------   -------------
          Total liabilities                       1,699,081       2,290,432 

Stockholders' equity:
     Common stock                                    11,929          11,807 
     Additional paid-in capital                  84,618,270      84,270,283 
     Deficit accumulated during development
        stage                                   (19,623,752)    (14,412,578)
                                              -------------   -------------
          Net stockholders' equity               65,006,447      69,869,512 
                                              -------------   -------------
                                              $  66,705,528   $  72,159,944 
                                              -------------   -------------
                                              -------------   -------------
</TABLE>


                  See accompanying note to financial statements.

                                       -3-
<PAGE>

                            NPS PHARMACEUTICALS, INC.
                          (A Development Stage Company)

                            Statements of Operations
                                  (Unaudited)

<TABLE>
<CAPTION>
                                                                                          October 22,
                                                                                             1986
                                                                                          (inception)
                               Three Months Ended June 30,   Six Months Ended June 30,      through
                              ---------------------------   --------------------------      June 30,
                                   1997          1996           1997         1996             1997
                              ------------   -----------    -----------   -----------     -----------
<S>                           <C>            <C>            <C>           <C>             <C>
Revenues from research                                     
and license agreements         $ 1,075,000   $ 1,410,625    $ 2,150,000   $15,865,937     $44,808,179 
                                                           
                                                           
Operating expenses:                                        
  Research and development       3,143,548     2,642,285      6,544,461     5,818,186      47,863,535 
  General and administrative     1,314,918     1,331,062      2,533,775     2,677,972      20,801,031 
                              ------------   -----------    -----------   -----------     -----------
    Total operating expenses     4,458,466     3,973,347      9,078,236     8,496,158      68,664,566 
                                                           
                              ------------   -----------    -----------   -----------     -----------
    Operating income (loss)     (3,383,466)   (2,562,722)    (6,928,236)    7,369,779     (23,856,387)
                                                           
Other income (expense):                                    
  Interest income                  903,787       654,910      1,758,072       797,251       5,705,484 
  Interest expense                 (19,140)      (32,421)       (41,010)      (78,432)       (658,428)
  Other                                                -                            -          35,579 
                              ------------   -----------    -----------   -----------     -----------
    Total other income             884,647       622,489      1,717,062       718,819       5,082,635 
                                                           
                              ------------   -----------    -----------   -----------     -----------
    Income (loss) before taxes  (2,498,819)   (1,940,233)    (5,211,174)    8,088,598     (18,773,752)
                                                           
Income tax expense                       -             -              -       200,000         850,000 
                                                           
Net income (loss)              $(2,498,819)  $(1,940,233)   $(5,211,174)   $7,888,598    $(19,623,752)
                              ------------   -----------    -----------   -----------     -----------
                              ------------   -----------    -----------   -----------     -----------
                                                           
                                                           
Net income (loss) per                                      
common share                   $     (0.21)  $     (0.19)   $     (0.44)   $     0.79 
                              ------------   -----------    -----------   -----------     
                              ------------   -----------    -----------   -----------     
                                                           
                                                           
Weighted average shares                                    
outstanding                     11,901,000    10,447,000     11,883,000     9,964,400 
                              ------------   -----------    -----------   -----------     
                              ------------   -----------    -----------   -----------     
</TABLE>

                  See accompanying note to financial statements.

                                       -4-

<PAGE>
                            NPS PHARMACEUTICALS, INC.
                          (A Development Stage Company)

                            Statements of Cash Flows
                                  (Unaudited)

<TABLE>
<CAPTION>
                                                                                       
                                                     Six Months Ended June 30,         October 22, 1986
                                                   -----------------------------     (inception) through
                                                         1997           1996            June 30, 1997
                                                   -------------    ------------    --------------------
<S>                                               <C>              <C>              <C>
Cash flows from operating activities:
  Net income (loss)                                $  (5,211,174)   $  7,888,598      $  (19,623,752)
  Adjustments to reconcile net income (loss) 
   to net cash provided by (used in) operating 
   activities:
    Depreciation and amortization                        510,000         370,000           3,696,241
    Gain on sale of equipment                                  -               -             (29,909)
    Issuance of stock in lieu of cash for services       119,600         319,400             798,054
    Amortization of deferred compensation                      -         127,750             766,500
    Decrease (increase) in receivables                   308,858        (390,410)           (106,350)
    Decrease (increase) in other assets                 (345,944)              -            (352,811)
    Increase (decrease) in accounts payable and
      accrued expenses                                   (31,205)       (373,479)            859,592
    Increase (decrease) in taxes payable                (130,000)        200,000              20,000
    Increase (decrease) in deferred income              (250,000)        (78,750)            250,000
                                                   -------------    ------------       -------------
      Net cash provided by (used in) operating
      activities                                      (5,029,865)      8,063,109         (13,722,435)

Cash flows from investing activities:
  Net purchase of marketable investment securities             -      (8,620,078)                  -
  Acquisition of equipment and leasehold improvements (1,134,453)       (411,006)         (6,544,553)
  Proceeds from sale of equipment                              -               -           1,075,621
                                                   -------------    ------------       -------------
    Net cash used in investing activities             (1,134,453)     (9,031,084)         (5,468,932)

Cash flows from financing activities:
  Proceeds from note payable to bank                           -               -             123,855
  Proceeds from issuance of preferred stock                    -               -          17,581,416
  Proceeds from issuance of common stock                 228,509      55,700,535          65,784,229
  Proceeds from long-term debt                                 -               -           1,166,434
  Principal payments on note payable to bank                   -               -            (123,855)
  Principal payments under capital lease obligations     (35,602)       (306,322)         (1,355,622)
  Principal payments on long-term debt                  (178,579)       (159,385)           (873,316)
  Repurchase of preferred stock                                -               -            (300,000)
                                                   -------------    ------------       -------------
    Net cash provided by financing activities             14,328      55,234,828          82,003,141
                                                   -------------    ------------       -------------

Net increase (decrease) in cash and cash equivalents  (6,149,990)     54,266,853          62,811,774

Cash and cash equivalents at beginning of period      68,961,764       8,039,625                   -
                                                   -------------    ------------       -------------

Cash and cash equivalents at end of period         $  62,811,774    $ 62,306,478       $  62,811,774
                                                   -------------    ------------       -------------
                                                   -------------    ------------       -------------
</TABLE>


                  See accompanying note to financial statements.

                                      -5-

<PAGE>

                            NPS PHARMACEUTICALS, INC.
                          (A Development Stage Company)

                            Statements of Cash Flows
                                  (Unaudited)

<TABLE>
<CAPTION>
                                                                                       
                                                                                       
                                                   Six Months Ended June 30,      October 22, 1986
                                                  --------------------------     (inception) through
                                                       1997         1996            June 30, 1997
                                                  ------------   -----------     -------------------
<S>                                               <C>            <C>             <C>
SUPPLEMENTAL DISCLOSURE OF CASH FLOW
  INFORMATION:
Cash paid for interest                              $  41,010     $  78,432           $  658,428 
Cash paid for taxes                                   130,000          -                 830,000

SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND   
     FINANCING ACTIVITIES:
Acquisition of equipment through incurrence of 
  capital lease obligations                            34,035        32,500            1,434,689
Acquisition of leasehold improvements through
  incurrence of debt                                     -             -                 197,304
Issuance of preferred stock for stock subscription
  receivable                                             -             -               4,000,000
Accrual of deferred offering costs                       -             -                 150,000
</TABLE>


                   See accompanying note to financial statements.

                                       -6-

<PAGE>
                            (A Development Stage Company)
                             Note to Financial Statements
                                     (Unaudited)




(1) BASIS OF PRESENTATION
    
    The accompanying financial statements of NPS Pharmaceuticals, Inc. ("NPS"
or the "Company") are unaudited, except as specifically noted. The financial
statements reflect all adjustments (consisting solely of normal recurring
adjustments) which are, in the opinion of management, necessary to present
fairly the financial position and results of operations for the interim periods
presented. The results of operations for the three month period ended March
31,1997, are not necessarily indicative of the results to be expected for the
full year. The financial information included herein should be read in
conjunction with the Company's Form 10-K for 1996 which includes the audited
financial statements and the notes thereto for the year ended December 31, 1996.



                                      -7-
<PAGE>

ITEM 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
         RESULTS OF OPERATIONS

    THIS QUARTERLY REPORT ON FORM 10-Q CONTAINS, IN ADDITION TO HISTORICAL
INFORMATION, FORWARD-LOOKING STATEMENTS THAT INVOLVE RISKS AND UNCERTAINTIES.
THE COMPANY'S ACTUAL RESULTS COULD DIFFER MATERIALLY FROM THE RESULTS DISCUSSED
IN THE FORWARD-LOOKING STATEMENTS. FACTORS THAT COULD CAUSE OR CONTRIBUTE TO
SUCH DIFFERENCES INCLUDE THOSE DISCUSSED HEREIN AS WELL AS THOSE DISCUSSED IN
THE COMPANY'S ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 1996
UNDER THE HEADING "RISK FACTORS."

    Since its inception in 1986, NPS has devoted substantially all of its
resources to its research and development programs. To date, the Company has not
completed development of any pharmaceutical products for sale and has incurred
substantial losses. NPS has incurred cumulative losses through June 30, 1997, of
$19.6 million net of cumulative revenues from research and license agreements of
$44.8 million. The Company expects to incur significant operating losses over at
least the next several years as the Company continues and expands its research
and development and preclinical and clinical testing activities. Substantially
all of the Company's revenues are derived from license fees, milestone payments
and research and development support payments from its licensees and these
revenues fluctuate from quarter to quarter. Accordingly, the Company expects
that income or loss will fluctuate from quarter to quarter, that such
fluctuations may be substantial, and that results from prior quarters may not be
indicative of future operating results. The Company's ability to achieve
profitability depends in part on its ability, alone and/or with others and the
efforts of its licensees, to complete development of its products, to obtain
required regulatory approvals and to manufacture and market such products, as to
which matters there can be no assurance.

RESULTS OF OPERATIONS

    Revenues were $1.1 million for the three-month period ended June 30, 1997 
compared to $1.4 million for the three-month period ended June 30, 1996 and 
$2.2 million for the six-month period ended June 30, 1997 compared to $15.9 
million for the same six-month period in 1996. The decrease in revenues for 
the six-month period was primarily due to the receipt by NPS in 1996 of a $10 
million license fee from Amgen Inc. ("Amgen") and a $3 million milestone 
payment from SmithKline Beecham Corporation ("SmithKline Beecham"); these 
payments reflected one time events under agreements with these parties and 
are non-recurring. See "Liquidity and Capital Resources" below for further 
discussion of payments that may be received by the Company in the future 
under the separate agreements with these parties. 

    Research and development expenses increased to $3.1 million for the 
three-month period ended June 30, 1997 from $2.6 million in the comparable 
period of 1996, and to $6.5 million for the six-month period ended June 30, 
1997 from $5.8 million in the comparable period of 1996. Research and 
development expenses are expected to increase significantly in the future as 
NPS conducts discovery, preclinical development and clinical trials for 
non-licensed product candidates, sponsors research or obtains licenses for 
technology from academia or research institutions and hires more research and 
development personnel. 

    General and administrative expenses were $1.3 million in both three-month 
periods ended September 30, 1997 and 1996, and $2.5 million compared to $2.7 
million for the six-month periods ended September 30, 1997 and 1996, 
respectively. The Company expects that general and administrative expenses 
will increase in the future as more personnel and facilities are needed to 
support research and development activities.

    Interest income increased to $904,000 and $1.8 million for the 
three-month and six-month periods ended June 30, 1997 respectively, from 
$655,000 and $798,000 for the same periods of 1996. The increases were 
primarily due to a higher average cash balance resulting from the net 
proceeds of the follow-on offering of stock completed in May 1996. The 
Company anticipates that interest income will decrease in the future as the 
Company's cash is utilized for operations.

                                      -8-
<PAGE>

LIQUIDITY AND CAPITAL RESOURCES

    The Company has financed its operations since inception primarily through
collaborative research and license agreements and the private and public
placement of equity securities. As of June 30,1997, the Company had recognized
$44.8 million of cumulative revenues from research and license agreements and
$84.6 million in consideration for the sale of equity securities for cash and
services. The Company's principal sources of liquidity are its cash, cash
equivalents, and marketable investment securities which totaled $62.8 million at
June 30, 1997.

    The Company receives quarterly payments under its agreements with the 
pharmaceutical division of Kirin Brewery Company, Limited ("Kirin") and 
SmithKline Beecham to support the Company's research efforts in 
hyperparathyroidism ("HPT") and osteoporosis, respectively.  The Kirin 
payments are scheduled to be $500,000 per quarter through June 30, 1997 and 
$250,000 per quarter thereafter through the remaining three years of the 
research term of the Kirin agreement. The scheduled expiration date of the 
SmithKline Beecham agreement is October 31, 1997 and NPS expects to receive 
$475,000 per quarter through that date from SmithKline Beecham. Amgen will 
reimburse the Company up to $400,000 per year for a period not to exceed five 
years for costs incurred by the Company for designation of NPS personnel to 
be able to participate in the development of a compound for primary HPT in 
the Amgen territory, with such participation occurring under the direction of 
Amgen. 

    The Company could receive future payments of up to $51.0 million in the 
aggregate from Amgen, Kirin, and SmithKline Beecham upon the accomplishment 
of specified research and/or development milestones under the respective 
agreements. NPS does not control the subject matter, timing or resources 
applied by its licensees under their respective development programs. Thus, 
the Company's potential receipt of milestone payments from these licensees is 
largely beyond the control of NPS. Progress under these agreements is subject 
to risk and each of these agreements may be terminated before the scheduled 
expiration date by the respective licensee. No assurance can be given that 
any future milestone or research or development support payments will be 
received from any of them or under any other licensing agreement then in 
effect. 

    The Company has entered into certain sponsored research and license 
agreements which obligate the Company to make research support payments to 
academic and/or commercial research institutions. Additional payments may be 
required upon the accomplishment of research milestones by the institutions 
or as license fees or royalties to maintain the licenses. As of June 30, 
1997, the Company had a total commitment of approximately $1.0 million for 
future research support payments. These commitments have been increased by 
$3.6 million due to the Research and Development Agreement with SIDDCO Inc. 
entered into on July 16, 1997. The Company expects to enter into additional 
sponsored research and license agreements in the future.  

    As of June 30, 1997, the Company's net investment in leasehold
improvements, equipment and furnishings was $3.4 million. The Company has
financed a portion of such expenditures through capital leases and long-term
debt with a total principal obligation of  $569,000 as of June 30, 1997.
Additional equipment and facilities will be needed as the Company increases its
research and development activities, a portion of which may be financed with
debt. Equipment and leasehold improvements subject to the capital leases and the
long-term debt have been pledged in support of such obligations.

    The Company anticipates that its existing capital resources, including
interest earned thereon and expected research and development support payments
from its licensees will be sufficient to enable it to maintain its current and
planned operations through at least 1999. However, actual needs are dependent on
numerous factors, including the progress of the Company's research and
development programs, the magnitude and scope of these activities, progress with
preclinical and clinical trials, the cost of preparing, filing, prosecuting,
maintaining and enforcing patent claims and other intellectual property rights,
competing technological and market developments, changes in or terminations of
existing research and license arrangements, the establishment of additional
license arrangements and the cost of manufacturing scale-up and development of
marketing activities, if undertaken by the Company. Substantial expenditures
will be required to conduct preclinical studies and clinical trials, manufacture
or have manufactured and market any proprietary products of NPS which may be
derived from current research and development efforts and perform research and
development activities in additional areas. In addition, if Amgen terminates its
agreement, the Company may not have sufficient capital to complete the
development and commercialization of a drug for HPT in the Amgen territory.

    NPS may need to raise additional funds to support its long-term product
development and commercialization programs. The Company also intends to seek
additional funding through corporate collaborations 


                                      -9-
<PAGE>

and licensing agreements and the Company may seek additional funding through 
public or private financing. There can be no assurance that additional 
financing will be available on acceptable terms, if at all. If adequate funds 
are not available, the Company may be required to delay, reduce the scope of 
or eliminate one or more of its research and development programs or to 
obtain funds through arrangements with licensees or others that may require 
the Company to relinquish rights to certain of its technologies, product 
candidates or products that the Company may otherwise seek to develop or 
commercialize on its own.

CERTAIN BUSINESS RISKS

    The Company is currently in the early stage of product development. NPS 
R-568 and NPS 1506 are the only product candidates under development by the 
Company or its licensees that are in human clinical trials. There is no 
guarantee that NPS R-568 or NPS 1506 will prove to be safe or efficacious or 
that back-up or later generation compounds will be identified. All of the 
Company's remaining technologies are new and will require significant 
additional research and development efforts prior to any commercial use. 
Because the Company has granted exclusive development, commercialization and 
marketing rights in the fields of HPT and osteoporosis, the success of its 
existing HPT and osteoporosis programs is entirely dependent upon the efforts 
of Amgen, Kirin and SmithKline Beecham.

    Other risks include the Company's lack of product sales, a history of
operating losses, the uncertainty of regulatory approvals, rapid technological
change and competition, the uncertainty of protection of the Company's patents
and proprietary technology, the Company's dependence on third parties for
manufacturing, the Company's future capital needs and the uncertainty of
additional funding, the Company's's lack of marketing capabilities, the
uncertainty of third-party reimbursement, the Company's dependence on key
personnel and the Company's ability to manage growth. A more detailed discussion
of factors that could cause actual results to differ materially from those in
forward-looking statements is contained in the Company's SEC filings, including
the Risk Factors in the Company's Annual Report on Form 10-K. 
                                           


                                      -10-
<PAGE>

                                    PART II

ITEM 5.  OTHER INFORMATION

NEUROPROTECTION PROGRAM

    On July 25, 1997, the Company commenced Phase I clinical trials for the 
Company's lead compound, NPS 1506, selected by NPS from a class of 
proprietary compounds being developed for neuroprotection in stroke. The 
trial is being conducted with healthy volunteers to evaluate the safety and 
pharmacokinetics of various intravenous doses of the compound. The Company is 
seeking to establish a collaboration with another company for the development 
and commercialization of NPS 1506 and/or back-up or second generation 
compounds. There can be no assurance that NPS will be successful in finding a 
partner to collaborate with in the development and commercialization of NPS 
1506 or that NPS 1506 or any other of the lead compounds will prove safe and 
effective, meet applicable regulatory standards or be successfully marketed.

SIDDCO AGREEMENT

    On July 16, 1997, the Company and Systems Integration Drug Discovery 
Company, Inc. ("SIDDCO") entered into a Research and Development Agreement 
(the "SIDDCO Agreement"). Under the SIDDCO Agreement, the companies will work 
together to develop combinatorial chemistry databases, identify novel 
compounds, develop automated chemical synthesis systems, and generate 
computational and analytical methods. The Company is obligated to pay to 
SIDDCO the sum of $1.2 million per year (on a quarterly basis) for a period 
of three years. The Company has the right to extend the SIDDCO Agreement for 
an additional two years at an adjusted rated based on SIDDCO costs at that 
time.

FINANCIAL ADVISOR AGREEMENT

    The Company entered into an exclusive financial advisor agreement with 
Vector Securities International, Inc. ("Vector") for a period of six months, 
with a possible extension of an additional six months, effective July 11, 
1997. Under the terms of the agreement, Vector will assist the Company in 
evaluating and seeking potential acquisition, merger and/or joint venture 
candidates. The Company has not sought an evaluation or assistance for a sale 
of the Company nor does the agreement provide for such. Vector will also 
provide financial advisory services to the Company in the event the Company 
undertakes negotiations leading to an acquisition, merger and/or joint 
venture during the term of the agreement.


                                       -11-

<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.


Date:    August 6, 1997                     NPS PHARMACEUTICALS, INC.


                                  
                                            By:  /s/ JAMES U. JENSEN 
                                               -----------------------------
                                                  James U. Jensen 
                                                  Vice President, Corporate 
                                                  Development and Legal 
                                                  Affairs (Executive Officer)



                                            By:  /s/ ROBERT K. MERRELL
                                               -----------------------------
                                                  Robert K. Merrell
                                                  Vice President, Finance, 
                                                  Chief Financial Officer 
                                                  and Treasurer
                                                  (Principal Financial and 
                                                  Accounting Officer)
    



                                        -12-
<PAGE>

                                  INDEX TO EXHIBITS

Exhibit Number     Description of Document
- --------------     -----------------------
      10.32*       Research and Development Agreement between Systems
                   Integration Drug Discovery Company, Inc. (doing business as
                   SIDDCO Inc.) and NPS Pharmaceuticals, Inc.

____________________
    *    Confidential treatment has been requested with respect to this
         exhibit.





<PAGE>

                                             [CONFIDENTIAL TREATMENT REQUESTED]


                                    EXHIBIT 10.32
                                           
                            RESEARCH & DEVELOPMENT AGREEMENT
                                       BETWEEN
                                     SIDDCO INC.
                                         AND
                              NPS PHARMACEUTICALS, INC.
                                        DATED
                                    JULY 16, 1997
                                           
- -------------------------------------------------------------------------------
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                                           
                               CONFIDENTIAL TREATMENT REQUESTED              
                               THE REDACTED MATERIAL HAS BEEN                
                               SEPARATELY FILED WITH THE COMMISSION          
                               THE APPROPRIATE SECTIONS HAVE BEEN BLACKED OUT

                                       3


<PAGE>

                                             [CONFIDENTIAL TREATMENT REQUESTED]


                           RESEARCH & DEVELOPMENT AGREEMENT
                                       BETWEEN
                                     SIDDCO INC.
                                         AND
                              NPS PHARMACEUTICALS, INC.


This RESEARCH & DEVELOPMENT AGREEMENT (the "Agreement") is effective this 
16th day of July 1997 (the "Effective Date"), by and between Systems 
Integration Drug Discovery Company, Inc., doing business as SIDDCO, an 
Arizona corporation with a place of business at 2461 E. Calle Sin Pecado, 
Tucson, Arizona 85718 ("SIDDCO"), and NPS Pharmaceuticals, Inc., a Delaware 
corporation, with a place of business at 420 Chipeta Way, Salt Lake City, 
Utah 84108 ("NPS").

                                       RECITALS

NPS is a pharmaceutical company with expertise in research, discovery, 
development, and commercialization of pharmaceutical products.  SIDDCO is a 
pharmaceutical company which will develop scientific and technical 
proprietary technology relating to combinatorial chemistry, and will apply 
this technology to discover and optimize the properties of chemical entities 
useful as therapeutic agents.  SIDDCO also has experience in combinatorial 
chemistry-based drug discovery and the preclinical and clinical development 
of therapeutic agents.

NPS desires that SIDDCO, on behalf of NPS and in collaboration with NPS and 
other SIDDCO Consortium Partners, undertake a research and development effort 
to develop combinatorial chemistry technology, apply this technology to NPS 
Drug Discovery Programs with a view to discover and optimize the properties 
of chemical entities that may be, or with further development, may become 


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

pharmaceutical products, and transfer this combinatorial technology to NPS 
during the term of this Agreement.  NPS is willing to make certain payments 
to SIDDCO in respect of the research and development services to be performed 
and the combinatorial chemistry technology to be transferred (as hereinafter 
defined) and SIDDCO is willing to grant NPS licenses to further develop, 
make, use, and sell therapeutic compounds based on discoveries made from the 
services provided and combinatorial chemistry technology transferred to NPS, 
all as more fully set forth below.

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

                                   ARTICLE 1
                                  DEFINITIONS

             The terms defined in this Article 1 shall, for all purposes of 
this Agreement, have the following meanings:

1.1  "AFFILIATE" means any corporation or other entity that directly or 
     indirectly through one or more intermediaries, controls, is controlled 
     by, or is under common control with the designated party but only for so 
     long as such relationship exists.  For purposes of this Article, control 
     means ownership of at least 50 percent of the shares of stock entitled 
     to vote for directors in the case of a corporation and at least 50 
     percent of the interests in profits in the case of a business entity 
     other than a corporation.


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

1.2  "AGREEMENT RESEARCH" means research and development, investigative and 
     experimental work of a scientific, technical or clinical nature 
     conducted directly or indirectly by SIDDCO for NPS pursuant to this 
     Agreement.

1.3  "BENCH SCIENTIST" means a professional employee of SIDDCO, or an 
     employee of a subcontractor of SIDDCO with substantially equivalent 
     qualifications, skill and experience adequate to enable them to perform 
     their assigned task.

1.4  "COMBINATORIAL CHEMISTRY CONSORTIUM" or "CONSORTIUM" means the group 
     consisting of SIDDCO, NPS, and SIDDCO Consortium Partners.

1.5  "COMBINATORIAL LIBRARY(IES)" means a SIDDCO Combinatorial Library, a 
     SIDDCO Common Library, a SIDDCO/NPS Combinatorial Library, an NPS 
     Combinatorial Library, or a Combinatorial Library synthesized by, or on 
     behalf of, any SIDDCO Consortium Partner or other SIDDCO collaborator.

1.6  "CONSORTIUM DEVELOPMENT TEAM" means a team lead by the Director of 
     Consortium Chemistry and also consisting of the SIDDCO Dedicated Team 
     Managers from each SIDDCO Consortium Partner Dedicated Project Team, and 
     of  [ CONFIDENTIAL TREATMENT REQUESTED ] additional FTE scientists per 
     each SIDDCO Consortium Partner, as designated by SIDDCO, with notice to 
     NPS.

1.7  "CONSORTIUM-EXCLUSIVE" means exclusive to SIDDCO and SIDDCO Consortium 
     Partners.


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1.8  "CONSORTIUM EXECUTIVE COMMITTEE" means a team consisting of one 
     representative from NPS, as designated by NPS, a representative from 
     each of the other SIDDCO Consortium Partners, as designated by each such 
     partner, the SIDDCO Director of Consortium Chemistry, the President of 
     SIDDCO, and a non-voting Consortium Manager, organized for the purpose 
     of managing the structure, dynamics and personnel issues of the 
     Consortium.  The Consortium Executive Committee will be chaired by the 
     President of SIDDCO and a secretary will be appointed by SIDDCO.

1.9  "CONSORTIUM LIBRARY ARCHIVE" means a collection of libraries of 
     compounds together with library design and method of synthesis 
     submitted, at their sole option, by SIDDCO, NPS, or other SIDDCO 
     Consortium Partners.   [

                           CONFIDENTIAL TREATMENT REQUESTED]
                                           
                                           
                                           
                                           
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             [

                           CONFIDENTIAL TREATMENT REQUESTED
                                           



                                                                               ]


1.10 "CONSORTIUM MANAGER" means the SIDDCO employee designated by SIDDCO with 
     the management and tracking of the NPS and SIDDCO Consortium Partner 
     interactions and relationships with SIDDCO.

1.11 "CONSORTIUM RESEARCH MANAGEMENT TEAM" means a team including the NPS 
     Dedicated Team Leader, the Dedicated Team Leader of each respective 
     SIDDCO Consortium Partner Dedicated Project Team, SIDDCO research 
     directors of support functions (analytical, automation, computational), 
     as appointed by SIDDCO, and chaired by the Director of Consortium 
     Chemistry, to be its authorized representatives with respect to the 
     matters contemplated in this Agreement for decision by the Consortium 
     Research Management Team.

1.12 "DIRECTOR OF CONSORTIUM CHEMISTRY" means the SIDDCO chemist designated 
     by SIDDCO with the scientific leadership of the collaboration defined in 
     this Agreement, and similar collaborations with

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     other SIDDCO Consortium Partners and the activities and productivity of 
     the Consortium Development Team and each Dedicated Project Team.

1.13 "DRUG DISCOVERY TARGET" means a specific molecule such as a biological 
     receptor, enzyme, or other macromolecule or its endogenous ligand or the 
     cellular system containing such entity or entities, which is suitable, 
     or can be made suitable, for active research in which products of SIDDCO 
     Combinatorial Chemistry Technology and/or SIDDCO Combinatorial Chemistry 
     Products will be used to discover a Target Product(s).

1.14 "FULL TIME EQUIVALENT", herein also referred to as FTE,  means the 
     equivalent man-hours and effort as supplied by a year-long effort of a 
     single full-time SIDDCO employee such as a Bench Scientist.

1.15 "INTELLECTUAL PROPERTY RIGHTS" means all existing patents and all 
     patents hereinafter issuing both United States and foreign (including 
     any additions, divisions, continuations, continuations-in-part, 
     substitutions, extensions, renewals, utility models and certificates of 
     invention or reissues thereof or therefor), all copyrights, trademark 
     rights, and other property rights and interests of every nature (to the 
     extent that such property rights and interests are of such legal status 
     and nature as to permit the same to be lawfully licensed, specifically 
     including, but not limited to unpublished patent applications, 
     unpatented inventions, ideas, data, know-how, biological material, 
     chemical compounds, reagents and trade secrets of any kind) and all 
     registrations and applications therefor.


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

1.16 "LICENSED PRODUCT" means a SIDDCO Combinatorial Chemistry Product, a 
     SIDDCO/NPS Combinatorial Chemistry Product, or a NPS Target Product 
     identified by or on behalf of NPS  (i) from a SIDDCO Common Library, 
     (ii) from synthetic efforts of the NPS Dedicated Project Team, or (iii) 
     from a Combinatorial Library obtained from the Consortium Library 
     Archive.

1.17 "NPS COMBINATORIAL CHEMISTRY PRODUCT" means any product (excluding 
     Target Products or the collection of compounds contained in 
     Combinatorial Libraries), which comprises SIDDCO Combinatorial Chemistry 
     Technology which is:  (i) identified by or on behalf of NPS, outside the 
     course of the collaboration and which is not developed by SIDDCO or the 
     Consortium Development Team; or (ii) a version thereof which has been 
     modified to improve its utility or other characteristics related to the 
     design, synthesis, analysis, tracking, evaluation, use and/or 
     classification of combinatorial libraries and/or the compounds contained 
     therein and all Intellectual Property Rights therein.

1.18 "NPS COMBINATORIAL LIBRARY" means a collection of compounds synthesized 
     by or on behalf of NPS using SIDDCO Combinatorial Chemistry Technology 
     and/or SIDDCO Combinatorial Chemistry Products, or SIDDCO/NPS 
     Combinatorial Chemistry Products.

1.19 "NPS DEDICATED PROJECT TEAM" means a team [CONFIDENTIAL TREATMENT 
     REQUESTED] to the satisfaction of NPS.


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

1.20 "NPS DEDICATED TEAM LEADER" means the [CONFIDENTIAL TREATMENT REQUESTED] 
     authorized representative with respect to the matters contemplated in this 
     Agreement for decision and performance by the NPS Dedicated Team Leader.

1.21 "NPS DEDICATED TEAM MANAGER" means the [CONFIDENTIAL TREATMENT REQUESTED] 
     authorized representative with respect to the matters contemplated in this 
     Agreement for decision and performance by the NPS Dedicated Team Manager.

1.22 "NPS TARGET" means a specific molecule such as a biological receptor, 
     enzyme, or other macromolecule or its endogenous ligand or the cellular 
     system containing such entities, which has been selected by NPS as the 
     subject of active research in which SIDDCO Combinatorial Chemistry 
     Technology and/or SIDDCO Combinatorial Chemistry Products will be used 
     to discover a NPS Target Product(s).

1.23 "NPS TARGET PRODUCTS" means a compound identified by or on behalf of NPS 
     based on activity in a NPS Target Assay and such compound was 
     synthesized by or on behalf of NPS using SIDDCO Combinatorial Chemistry 
     Technology or was obtained from a NPS Combinatorial Library, from a 
     SIDDCO Common Library, or from a Combinatorial Library obtained from the 
     Consortium Library Archive.


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

1.24 "NPS/SIDDCO EXECUTIVE MANAGEMENT TEAM" means a team chaired by a NPS 
     management representative, as designated by NPS, including the NPS 
     Dedicated Team Leader, the Director of Consortium Chemistry, the 
     Consortium Manager, and the President of SIDDCO.

1.25 "OBJECTIVES" means a written statement outlining a research goal or 
     question for an individual or team to achieve or answer, the time period 
     in which it is estimated that such research objective should be 
     completed, and the FTE manpower necessary to pursue the objective to 
     completion.  

1.26 "PERFORMANCE" means an evaluation of contribution to success, strategy, 
     and originality, and how a team or an individual performed on their 
     objectives, both in proposing the objective and realistic parameters for 
     its completion, as well as actually what was achieved, how it was 
     achieved, and how the achievement related to the objectives of that 
     team, or individual, as well as evaluation of contribution made outside 
     of the framework described by objectives, and/or outside the immediate 
     focus of that team or individual.

1.27 "SCREENING TECHNOLOGY" means any  Intellectual Property Rights now or 
     hereafter owned by SIDDCO, or licensed to SIDDCO by a third party  
     related to research or development work for testing compounds for 
     activity on a Drug Discovery Target(s).

1.28 SIDDCO COMBINATORIAL CHEMISTRY PRODUCT" means any product (excluding 
     Target Products and the collection of compounds contained in 
     Combinatorial Libraries), related to the design, synthesis, analysis, 
     tracking, evaluation, use and/or classification of combinatorial 
     libraries and/or the compounds contained therein AND ALL Intellectual 
     Property Rights therein which comprises 


                                       9

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     SIDDCO Combinatorial Chemistry Technology and which is: (i) identified 
     by or on behalf of SIDDCO, or by SIDDCO on behalf of any or all SIDDCO 
     Consortium Partners, in the course of the collaboration; or (ii) a 
     version thereof which has been modified, to improve its utility or other 
     characteristics.  





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                                             [CONFIDENTIAL TREATMENT REQUESTED]


1.29 "SIDDCO COMBINATORIAL CHEMISTRY TECHNOLOGY" means all Intellectual 
     Property Rights now or hereafter owned by SIDDCO, or licensed to SIDDCO 
     (subject to the limitations of any such license, and subject to any 
     applicable royalty obligation) related to the design, selection, 
     classification and/or synthesis of chemical compounds by combinatorial 
     strategies, and the analysis, tracking, design, evaluation, 
     classification and/or use of chemical library compounds prepared by such 
     means, excluding the resulting Combinatorial Libraries and Target 
     Products.

1.30 "SIDDCO COMBINATORIAL LIBRARY" means a collection of compounds 
     synthesized by or on behalf of SIDDCO using SIDDCO Combinatorial 
     Chemistry Technology and/or SIDDCO Combinatorial Chemistry Products.

1.31 "SIDDCO COMMON LIBRARY" means a collection of compounds synthesized by 
     the Consortium Development Team using SIDDCO Combinatorial Chemistry 
     Technology and/or SIDDCO Combinatorial Chemistry Products.

1.32 "SIDDCO CONSORTIUM PARTNER" means a company which has entered into an 
     agreement with SIDDCO similar to, and on substantially the same terms as 
     set forth in Articles 2, 3, 5, 6, 7, 8 and 10 of this Agreement.  An 
     agreement with SIDDCO shall not be considered of a different nature or 
     shall not be considered on fundamentally the same terms and conditions 
     as in Articles 2, 3, 5, 6, 8, or 10 of this Agreement solely because the 
     consideration being paid by a company to SIDDCO is not in cash, or if 
     the Agreement is for a different initial Term. 


                                       11

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

1.33 "SIDDCO DEDICATED PROJECT TEAM" means a team designated by SIDDCO, and 
     consisting of at least [CONFIDENTIAL TREATMENT REQUEST] SIDDCO FTE 
     scientists, to be its authorized representatives with respect to the 
     matters contemplated in this Agreement for decision and performance by 
     the SIDDCO Dedicated Project Team.

1.34 "SIDDCO TARGET" means a specific molecule such as a biological receptor, 
     enzyme, or other macromolecule or its endogenous ligand or the cellular 
     system containing such entity or entities, which has been selected by 
     SIDDCO as the subject of active research in which SIDDCO Combinatorial 
     Chemistry Technology and/or SIDDCO Combinatorial Chemistry Products will 
     be used to discover SIDDCO Target Products.

1.35 "SIDDCO TARGET PRODUCT" means a compound initially identified by or on 
     behalf of SIDDCO based on activity in a SIDDCO Target Assay and such 
     compound was synthesized by or on behalf of SIDDCO or was obtained from 
     a SIDDCO Combinatorial Library, a SIDDCO Common Library, or from a 
     Combinatorial Library obtained from the Consortium Library Archive.

1.36 "SIDDCO/NPS COMBINATORIAL CHEMISTRY PRODUCT" means any product related 
     to the design, synthesis, analysis, tracking, evaluation, use and/or 
     classification of combinatorial libraries and/or the compounds contained 
     therein and all Intellectual Property Rights therein (excluding Target 
     Products or the collection of compounds contained in Combinatorial 
     Libraries), and which comprises SIDDCO Combinatorial Chemistry 
     Technology and which is:  (i) identified specifically 


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     by the NPS Dedicated Project Team in the course of the collaboration; or 
     (ii) a version thereof which has been modified to improve its utility or 
     other characteristics.

1.37 "TARGET ASSAY" means a biological assay in which compounds such as those 
     produced by SIDDCO Combinatorial Chemistry Technology can be tested to 
     assess their biological activity or affects on a Drug Discovery Target 
     in order to be evaluated and/or identified as a Target Product(s).

1.38 "TARGET PRODUCT" means a compound identified from a Target Assay, or 
     which is based upon one or more compounds initially identified in a 
     Target Assay but which has been substantially modified.

1.39 "TERM OF THE COLLABORATION" has the meaning set forth in Article 7.

1.40 "TECHNOLOGY TRANSFER" means the virtual and physical transfer of SIDDCO 
     Combinatorial Chemistry Technology to SIDDCO Consortium Partners.

1.41 "WORK PLAN" means the objectives which are proposed by the NPS  
     Dedicated Project Team and the Consortium Development Team and approved 
     by NPS and the Consortium Research Management Team, respectively.   


                                   ARTICLE 2

                                  OPERATIONS

2.1  ESTABLISHMENT AND MANAGEMENT OF THE COMBINATORIAL CHEMISTRY CONSORTIUM.


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     2.1.1 APPOINTMENTS:  Upon execution of this Agreement, NPS shall 
           promptly designate its representative to the (i) Consortium 
           Executive Committee and (ii) Consortium Research Management Team.

     2.1.2 MANAGEMENT: The Combinatorial Chemistry Consortium shall be 
           organized and managed in accordance with Addendum A attached 
           hereto and made part hereto, as the same may be amended from time 
           to time by written agreement of NPS, SIDDCO, and all of the other 
           SIDDCO Consortium Partners.

2.2  NPS/SIDDCO EXECUTIVE MANAGEMENT TEAM

     2.2.1 Upon execution of this Agreement, SIDDCO and NPS shall promptly 
           designate their respective representatives to the NPS/SIDDCO 
           Executive Management Team.  The responsibilities of the NPS/SIDDCO 
           Executive Management Team will be to review  the progress of the 
           NPS Dedicated Project Team in light of its Work Plan and the 
           quality and productivity of its interactions with the internal NPS 
           drug discovery effort and with the Consortium Development Team, to 
           address any NPS/SIDDCO collaborative issues, and generally manage 
           the scientific and interrelationship dynamics of the NPS/SIDDCO 
           collaboration described in this Agreement.  Any member of the 
           NPS/SIDDCO Executive Management Team may be replaced from time to 
           time by notice from the party originally designating such member 
           to the other party.  The discussions and decisions of this team 
           will be held under mutual confidentiality. The NPS/SIDDCO 
           Executive Management Team may 


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

           establish such subcommittees, task forces, or other committees, 
           and delegate its authority thereto, as it deems appropriate.

     2.2.2 The NPS/SIDDCO Executive Management Team shall meet alternately at 
           SIDDCO or NPS or by video or telephone conference as often as 
           necessary, but at least twice a year.   The NPS/SIDDCO Executive 
           Management Team shall conference (by video or phone) at least two 
           weeks before the semi-annual meeting of the Consortium Executive 
           Committee to address specific NPS and SIDDCO collaboration issues, 
           identifying those issues to be placed on the Consortium Executive 
           Committee agenda pursuant to Addendum A.

2.3  NPS DEDICATED PROJECT TEAM      

     2.3.1 Upon execution of this Agreement, SIDDCO and NPS shall promptly 
           designate their respective representatives to the NPS Dedicated 
           Project Team.  The team will meet with NPS scientists and operate 
           under confidentially to establish Work Plan objectives, including 
           strategic combinatorial library objectives and team objectives for 
           the design and synthesis of combinatorial libraries and/or the 
           optimization of active compounds to produce NPS Target Products 
           using combinatorial approaches to synthesis. The NPS Dedicated 
           Team Manager shall track the identity and composition of libraries 
           and analytical data on all compounds delivered to NPS by the NPS 
           Dedicated Project Team, and shall be responsible for supervising 
           and tracking the performance of the other [CONFIDENTIAL TREATMENT 
           REQUESTED] NPS Dedicated Project Team members, and for supervising 
           and tracking the performance of [CONFIDENTIAL TREATMENT REQUESTED] 
           Consortium Development Team FTE.'s.  While it is the intent that the 
           synthetic chemists assigned to this team by SIDDCO remain on the 
           team for 

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

           the duration of this Agreement, any member of the NPS Dedicated 
           Project Team may be replaced from time to time by notice from the 
           party originally designating such member to the other party.

     2.3.2 The NPS Dedicated Project Team shall meet at SIDDCO or by video or 
           telephone conference as often as necessary, but at least once a 
           month to review the Work Plan objectives and performance since the 
           last meeting, propose detailed objectives for the next period, and 
           reassess the six month objectives of the team and progress within 
           the strategic objectives set for the team by NPS. Issues which 
           should be addressed by the Consortium Development Team of any of 
           the management teams should be identified and communicated to the 
           respective teams [CONFIDENTIAL TREATMENT REQUESTED] as appropriate 
           or deemed most effective.

     2.3.3 On a periodic basis, as directed by NPS management, the NPS 
           Dedicated Team Leader and NPS Dedicated Team Manager shall meet 
           with NPS management at NPS  (either in person or by video or 
           telephone conference) to present a summary of progress and 
           proposed objectives and issues for approval and or action by NPS  
           or its representatives to the various management teams.  Once a 
           year, as directed by SIDDCO management, the NPS Dedicated  Team 
           Leader and NPS Dedicated Team Manager shall evaluate the 
           performance of the NPS Dedicated Team members, and propose 
           performance goals for each to achieve for the upcoming year.

2.4  CONSORTIUM LIBRARY


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     2.4.1 SIDDCO shall maintain the Consortium Library Archive during and 
           after the Term of this Agreement.  [CONFIDENTIAL TREATMENT REQUESTED]

     2.4.2 SIDDCO shall submit all SIDDCO Common Libraries to the Consortium 
           Library Archive.

2.5  EXCLUSIVE AND DILIGENT EFFORT.  

     2.5.1 During the Term of the Collaboration, SIDDCO shall collaborate 
           confidentially with NPS in the application of SIDDCO Combinatorial 
           Chemistry Technology to discovering NPS Target Products.  SIDDCO 
           agrees that it will undertake to conduct confidential research, 
           through the efforts of the NPS Dedicated Project Team, as 
           requested and directed by the NPS Dedicated Team Leader, and to use 
           diligent efforts to follow the approved Work Plans (see attached 
           Appendix 1 for initial [CONFIDENTIAL TREATMENT REQUESTED] Work Plan).
           During the term of this collaboration SIDDCO agrees to increase the 
           FTE staffing of the NPS Dedicated Project Team, for minimum of two 
           year contractual periods,  upon receiving an NPS request and NPS 
           funding such an increase at the then applicable SIDDCO FTE funding 
           rate. [CONFIDENTIAL TREATMENT REQUESTED] NPS and SIDDCO shall 
           cooperate in establishing that all of the research payments made by 
           NPS 


                                       17

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

           to SIDDCO are contract research expenses as defined under Section 
           41 of the Internal Revenue Code and SIDDCO shall report to NPS  on 
           the amount of said research which is conducted in the United 
           States. 

     2.5.2 During the Term of the Collaboration, SIDDCO shall collaborate in 
           a Consortium-Exclusive manner with SIDDCO Consortium Partners in 
           the development and transfer of SIDDCO Combinatorial Chemistry 
           Technology. SIDDCO agrees that it will undertake to conduct 
           Consortium-Exclusive Combinatorial Chemistry Technology research, 
           through the efforts of the Consortium Project Team, as requested 
           and directed by the Director of Consortium Chemistry, the 
           Consortium Management Team, and the Consortium Executive 
           Committee, and to use diligent efforts to follow the approved Work 
           Plans.


                                   ARTICLE 3

                             VISITING SCIENTIST PROGRAM


3.1  During the Term of the Collaboration, SIDDCO shall afford up to 
     [CONFIDENTIAL TREATMENT REQUESTED] NPS Bench Scientists at a time, each 
     spending at least [CONFIDENTIAL TREATMENT REQUESTED] at SIDDCO, the 
     opportunity to work on the NPS Dedicated project Team and with the 
     Consortium Development Team at SIDDCO facilities and laboratories and 
     receive training in SIDDCO Combinatorial Chemistry Technology.

3.2  NPS shall provide [CONFIDENTIAL TREATMENT REQUESTED] written notice to 
     SIDDCO of its intent to send NPS Bench Scientists to SIDDCO under the 
     terms of this Article.  Such notice shall indicate the planned length of 
     stay, and the number of NPS Bench Scientists to be sent.  NPS 


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     will be responsible for salary, benefits, transportation, housing, 
     board, supplies budget, and any other miscellaneous costs incurred in 
     the support of the visiting NPS bench scientists at SIDDCO and their 
     research during their participation in the Visiting Scientist Program. 

3.3  NPS Bench Scientists participating in the Visiting Scientist Program 
     shall sign, as a representative of NPS, and NPS will use its best 
     efforts to enforce, an agreement to maintain the confidentiality of any 
     confidential or proprietary information relating to SIDDCO, or any other 
     Consortium Partner, Drug Discovery Targets, Target Products, Screening 
     Technology , or any other confidential information which does not 
     comprise SIDDCO's Combinatorial Chemistry Technology or NPS Targets and 
     NPS Target Products, to which the NPS Bench Scientist may become a party 
     to while at SIDDCO. 


                                  ARTICLE 4

                       PAYMENT FOR AGREEMENT RESEARCH

4.1  NPS agrees to pay to SIDDCO US. $1.2 million/year to support the full 
     research funding of [CONFIDENTIAL TREATMENT REQUESTED] for the initial 
     three (3) year Term of the Collaboration.  The research support payments 
     will be paid on an Effective Date quarterly basis.

4.2  NPS agrees to make its first payment on or before August 1, 1997.  
     Subsequent payments shall be made on a quarterly basis thereafter and 
     shall be due on the last day of business of each such  quarter.


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

4.3  Payment under this Article 4 shall be made directly to SIDDCO at the 
     address indicated below.  Payment shall be made in United States 
     Dollars. Payments made pursuant to this Agreement shall be sufficiently 
     made or given on the date of mailing if sent to SIDDCO by certified 
     mail, postage prepaid, at its address below:

                 SIDDCO, Inc.
                 2461 E. Calle Sin Pecado
                 Tucson, AZ 85718
                 Attention: Treasurer


                                       20

<PAGE>

                                             [CONFIDENTIAL TREATMENT REQUESTED]

or by Electronic Funds Transfer (EFT) to:

                 National Bank of Arizona
                 335 North Wilmot Ave
                 Tucson, AZ 85711
                 ABA Bank Routing Number 122105320
                 Account Name SIDDCO Inc.
                 Account Number  0026042508

4.4  Upon expiration of the initial Term of the Collaboration, and 
     with the provision of six (6) months prior written notice, NPS 
     may extend the initial Term of the Collaboration for an additional 
     two (2) year period by agreeing to continue funding a minimum 
     of [CONFIDENTIAL TREATMENT REQUESTED] SIDDCO FTE's 
     [CONFIDENTIAL TREATMENT REQUESTED].  Further extensions to the Term of 
     the Collaboration to gain access to SIDDCO technology will be granted by 
     mutual agreement of NPS and SIDDCO.

4.5  After prior notice and the approval of NPS management, and as directed 
     by the NPS Dedicated Team Leader as detailed in the approved Work Plans, 
     and tracked by the NPS Dedicated Team Manager, the NPS Dedicated Project 
     Team may incur other reimbursable expenses, for example, supplies and or 
     contract costs for the synthesis of libraries, Combinatorial Chemistry 
     Products, or Target Products for NPS in excess of US [CONFIDENTIAL 
     TREATMENT REQUESTED].  SIDDCO shall invoice NPS for such expenses and NPS 
     shall pay such invoices to SIDDCO within 30 days.

4.6  If NPS makes any payment hereunder in respect of which it is required by 
     law to make any deduction or withholding, it shall pay the full amount 
     to be deducted or withheld to the relevant taxation or other authority 
     within the time allowed for such payment under applicable law and 
     promptly thereafter shall furnish SIDDCO an original or certified copy 
     of a receipt evidencing 


                                       21

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                                             [CONFIDENTIAL TREATMENT REQUESTED]


     payment thereof together with such other information and documents as 
     SIDDCO may reasonably request.

4.7  SIDDCO and NPS agree that SIDDCO will record revenue earned under this 
     Agreement evenly across each quarter.


                                   ARTICLE 5

            OWNERSHIP OF SIDDCO COMBINATORIAL CHEMISTRY TECHNOLOGY,
             COMBINATORIAL CHEMISTRY PRODUCTS AND TARGET PRODUCTS
                                           
5.1  NPS owns and has the right to apply for, prosecute, enforce, defend and 
     sublicense, at its sole discretion, any and all patents on all NPS 
     Target Products.

5.2  All SIDDCO Combinatorial Chemistry Technology and SIDDCO Combinatorial 
     Chemistry Products are the sole property of SIDDCO and their use is 
     licensed to NPS and all SIDDCO Consortium Partners as set forth in 
     paragraph 6.1.2.

5.3  All SIDDCO/NPS Combinatorial Chemistry Products are the sole property of 
     SIDDCO and their use is licensed to NPS as set forth in paragraph 6.1.3.

5.4  All NPS Combinatorial Chemistry Products and technology acquired by NPS 
     hereunder during the Term of the Collaboration shall be the sole 
     property of NPS and their use is licensed to SIDDCO as set forth in 
     paragraph 6.1.4.


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

5.5  NPS owns all combinatorial libraries developed and synthesized by or on 
     behalf of NPS using SIDDCO Combinatorial Chemistry Technology, SIDDCO 
     Combinatorial Chemistry Products, SIDDCO/NPS Combinatorial Chemistry 
     Products, and/or NPS Combinatorial Chemistry Products.

5.6  All inventions made by either party relating to Combinatorial Chemistry 
     Technology or NPS Targets, or improvements thereto, shall be the 
     property of the party making the invention, provided that joint 
     inventions (as determined under U.S. patent law) shall be jointly owned.

5.7  Without limiting the foregoing (paragraph 5.1, 5.2, 5.3, 5.4, 5.5, 5.6), 
     SIDDCO reserves the right to use all SIDDCO Combinatorial Chemistry 
     Technology and SIDDCO Combinatorial Chemistry Products for the discovery 
     of Target Products for itself and other Consortium Partners and SIDDCO 
     collaborators.

5.8  Each party shall make available to the other  all information in its 
     possession necessary or expedient for the filing of patent applications 
     arising out of the Collaboration, in all countries of the world.  The 
     costs of prosecution, enforcement and maintenance of patents shall be 
     born by the party applying therefor, or the party demanding enforcement. 
     SIDDCO shall advise NPS of its intention to file patent applications on 
     any inventions owned by SIDDCO relating to SIDDCO Combinatorial 
     Chemistry Technology, SIDDCO Combinatorial Chemistry Products, on a 
     country-by-country basis.  If NPS should wish to have any such patent 
     applications filed in any country and SIDDCO declines to file or 
     diligently prosecute such application, SIDDCO may do so at NPS's 
     expense.  


                                       23

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

                                     ARTICLE 6

                           LICENSE GRANTS AND RIGHTS.
                                           
                                           
6.1  Subject to the terms and conditions of this Agreement, including 
     paragraph 9.1., SIDDCO hereby grants to NPS and its Affiliates the 
     following rights and licenses:

     6.1.1 A worldwide, royalty free, exclusive, perpetual, license 
           (including the right to sublicense) to make, have made, use and 
           sell NPS Targets and NPS Target Products.

     6.1.2 A worldwide, royalty free, Consortium Exclusive, perpetual, 
           license (without the right to sublicense) to use SIDDCO 
           Combinatorial Chemistry Technology (to include the database of 
           combinatorial chemistry reactions) and SIDDCO Combinatorial 
           Chemistry Products (to include building blocks and linkers) 
           developed during the Term of the Collaboration by SIDDCO.

     6.1.3 A worldwide, royalty free, Consortium Exclusive, perpetual, 
           license (without the right to sublicense) to use SIDDCO/NPS 
           Combinatorial Chemistry Products developed during the Term of the 
           Collaboration by SIDDCO.

     6.1.4 A worldwide, royalty free, Consortium Exclusive, perpetual, 
           license (without the right to sublicense) to use, (i) the 
           Combinatorial Libraries obtained by NPS from the Combinatorial 
           Library Archive during the Term of the Collaboration, and (ii) the 
           SIDDCO Common 


                                       24

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

           Libraries synthesized by the Consortium Development Team during 
           the Term of the Collaboration.

     6.1.5 A worldwide, royalty free, exclusive, perpetual license (without 
           the right to sublicense) to use Combinatorial Libraries 
           synthesized for NPS by the NPS Dedicated Project Team.

6.2  Subject to the terms and conditions of this Agreement, including 
     paragraph 9.1, NPS hereby grants to SIDDCO  and its Affiliates, the 
     following rights and licenses.

     6.2.1 A worldwide, royalty free license, for the Term of  the 
           Collaboration, to use NPS Combinatorial Chemistry Products which 
           are disclosed in writing by the NPS, at the sole option of NPS, to 
           the NPS Dedicated Project Team, to design and synthesize 
           Combinatorial Libraries for NPS.

     6.2.2 A worldwide, royalty free, perpetual license to use NPS 
           Combinatorial Chemistry Products which are disclosed in writing by 
           NPS, at the sole option of NPS, to the Consortium Development Team 
           to advance SIDDCO Combinatorial Chemistry Technology and design, 
           synthesis, analysis, and classification of Combinatorial Libraries.

     6.2.3 A worldwide, royalty free, Consortium Exclusive, perpetual license 
           (without the right to sublicense) to use the Combinatorial 
           Libraries obtained from NPS through the Consortium Library Archive 
           during the Term of this Agreement subject to any restrictions 
           placed on the use of such libraries by NPS.


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     6.2.4 A worldwide, royalty free, Consortium-Exclusive, perpetual license 
           to make, manufacture, synthesize and use, and a license to sell 
           [CONFIDENTIAL TREATMENT REQUESTED] from the Effective Date of this 
           Agreement Combinatorial Libraries synthesized using SIDDCO 
           Combinatorial Chemistry Technology.

6.3  Subject to the terms and conditions of this Agreement, including 
     paragraph 9.1, NPS hereby grants to each of the Consortium Partners the 
     following rights and licenses.

     6.3.1 A royalty free, perpetual license to use NPS Combinatorial 
           Chemistry Products which are disclosed in writing by NPS, at the 
           sole option of NPS, to the Consortium Development Team to advance 
           SIDDCO Combinatorial Chemistry Technology and design, synthesis, 
           analysis, and classification of Combinatorial Libraries.

     6.3.2 A royalty free, Consortium Exclusive, perpetual license (without 
           the right to sublicense) to use the Combinatorial Libraries 
           obtained from NPS through the Consortium Library Archive  subject 
           to any restrictions placed on the use of such libraries by NPS.

     6.3.3 A royalty free, Consortium-Exclusive, perpetual license to 
           synthesize and use, and a license to sell 
           [CONFIDENTIAL TREATMENT REQUESTED] from the effective date of 
           their respective Agreement with SIDDCO, Combinatorial Libraries 
           synthesized using SIDDCO Combinatorial Chemistry Technology.

6.4  From time to time or upon the request of NPS, but no less frequently 
     than on a quarterly basis, during the Term of the Collaboration, SIDDCO 
     shall disclose to NPS in writing (or other mutually 


                                       26

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     agreed tangible form) all SIDDCO Combinatorial Chemistry Technology, 
     SIDDCO Combinatorial Chemistry Products and SIDDCO/NPS Combinatorial 
     Products developed by or received by SIDDCO.

                                   ARTICLE 7

                            TERM AND TERMINATION
                                           
7.1  The provisions of Articles 2 and 3 obligating SIDDCO to perform Agreement 
     Research for, and provide services to, NPS shall begin upon the 
     effective date of this Agreement and shall continue for the initial Term 
     of the Collaboration, which unless terminated earlier as provided in 
     paragraph 7.3 or Article 8 herein, shall be for a period of three (3) 
     years.  SIDDCO shall be obligated to continue to perform the research 
     and development services described in Articles 2 and 3 of the Agreement 
     for an additional two year term at the option of NPS, given six month 
     prior notice before the end of the initial three (3) year term. 

7.2  In the event that NPS shall conclude not to continue the collaboration 
     under the terms of this Agreement beyond the initial Term of the 
     Collaboration, then, upon NPS's written request given within 
     [CONFIDENTIAL TREATMENT REQUESTED] before the end of this Agreement, 
     [CONFIDENTIAL TREATMENT REQUESTED]


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7.3  In the event that either party commits a material default under this 
     Agreement and fails to cure such default within thirty days after 
     written notice specifying the default, the non-defaulting party may 
     terminate this Agreement, provided that if the defaulting party is using 
     its good faith efforts to cure the default, the right to cure shall 
     continue for the duration of such efforts.  The parties shall have the 
     right to arbitrate any disputes regarding this paragraph 7.3 in 
     accordance with Article 10.

7.4  The rights and licenses granted to NPS by SIDDCO under paragraph 6.1 
     herein, shall survive termination of the collaboration portion of this 
     Agreement.

                                   ARTICLE 8

                      TERMINATION DUE TO CHANGE IN CONTROL 
                                           
8.1  SIDDCO has the right to terminate this Agreement, with approval of the 
     Consortium Executive Committee, in the event of a change of control of 
     NPS.  In the event of termination of this Agreement due to a change in 
     control, NPS or its successor company is obligated to pay all remaining 
     contracted research funding for the remainder of the Term of the 
     Collaboration or 12 months from the date of termination by SIDDCO, 
     whichever is shorter, in order to maintain the optimal functioning of 
     the Consortium for the benefit of all other Consortium Partners.  
     Following termination due to change of control, [CONFIDENTIAL TREATMENT 
     REQUESTED]


                                       28

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

8.2  In furtherance of, rather than in limitation of the rights and licenses 
     granted to NPS elsewhere herein, after termination or cancellation of 
     this Agreement, NPS has the right to use the SIDDCO Combinatorial 
     Chemistry Technology, SIDDCO Combinatorial Chemistry Products and 
     SIDDCO/NPS Combinatorial Chemistry Products licensed and disclosed to 
     NPS by SIDDCO before the date of termination or cancellation.

                                    ARTICLE 9

                            LIMITATION OF ASSIGNMENT.
                                           
9.1  This Agreement is personal in nature and neither of the parties hereto 
     shall, without the consent of the other, assign or transfer its rights 
     or obligations thereunder to another company or person, except as herein 
     expressly provided or permitted or except to a successor to 
     substantially the whole of its business relating to the subject matter 
     of this Agreement and then only subject to the terms and provisions 
     hereof, and as specifically described in paragraph 8.1, except that 
     either party may, with the consent of the other party, which consent 
     shall not be unreasonably withheld, extend or transfer all or any 
     portion of its rights thereunder to any of its Affiliates that shall 
     agree to be bound by the provisions hereof relating to the assigned 
     rights with the same effect as if it were named herein but the assignor 
     shall continue to be responsible for performance by such Affiliate of 
     its obligations thereunder.  Subject to the foregoing provisions of this 
     Article 9 and Article 13, this Agreement shall be binding upon and inure 
     to the benefit of the parties hereto and their respective successors and 
     assigns.  SIDDCO shall have the right to subcontract its obligations 
     thereunder to a third party, provided that SIDDCO shall remain primarily 
     liable to NPS for its obligations thereunder. 


                                       29

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9.2  Notwithstanding the above limitations on assignment, SIDDCO may, at its 
     sole option, without the written consent of NPS, assign its right to 
     receive payments due hereunder.  The assignment of such right by SIDDCO 
     shall in no way relieve SIDDCO of any of its obligations and duties 
     hereunder and NPS's payment obligations hereunder shall continue to be 
     contingent on SIDDCO's performance of such obligations and duties.  
     SIDDCO hereby releases NPS from all claims and liabilities which arise 
     or result from NPS's payment to a third party under this provision.


                                    ARTICLE 10

                                   ARBITRATION.
                                           
                                           
10.1 In the event of any controversy or claim arising out of or relating to 
     this Agreement, the party asserting such claim shall first inform the 
     other party, in writing, of the specific nature of the dispute, the 
     pertinent provisions of this Agreement, and its proposed resolution.  
     The Parties shall attempt to resolve the dispute through good faith 
     negotiations for a period of thirty days, unless the asserting party is 
     suffering irreparable harm, in which case appropriate further action may 
     be taken immediately.

10.2 If such efforts are not successful, the dispute shall be submitted to 
     arbitration in accordance with the Commercial Arbitration Rules of the 
     American Arbitration Association by a panel of three Arbitrators 
     knowledgeable as to the subject matter of the dispute, one appointed by 
     NPS, one by SIDDCO, and the third appointed by the two 
     NPS/SIDDCO-selected Arbitrators.  Judgment upon any matter submitted to 
     the Arbitrator(s) may be entered in any court having jurisdiction 
     thereof.  


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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     The Panel shall make its decision bearing in mind the intent of the 
     parties, as reflected herein, to pursue a scientific collaboration 
     directed toward the development of SIDDCO Combinatorial Chemistry 
     Technology and the application of this technology to NPS Drug Discovery 
     Targets with a view to discover and optimize the properties of chemical 
     entities that may be, or with further development, may become 
     pharmaceutical Target Products, and transfer this combinatorial 
     technology to NPS within the terms of this Agreement.

10.3 The panel shall be instructed to make their determination on the basis 
     of "baseball arbitration" principles, where appropriate, that is, each 
     party shall submit its position, and the panel shall select one of these 
     positions as its decision.  Each party may revise its position in 
     response to the other party's position provided that the proceedings 
     shall not be unduly delayed.  The arbitrators shall have the right to 
     order discovery as they deem appropriate, and to order injunctive relief 
     and the payment of attorney's fees, costs, and other damages excluding 
     punitive damages.  Any arbitration conducted thereunder shall take place 
     in Tucson, Arizona.

10.4 The parties acknowledge that it is theoretically possible for a compound 
     to be a Target Product of more than one Drug Discovery Target, and that 
     such Drug Discovery Targets may be the subject of research by SIDDCO on 
     behalf of different SIDDCO Consortium Partners.  In such event, the 
     commercial use of the Target Product will be licensed to the SIDDCO 
     Consortium Partner where the Target Product was first identified as 
     active in the applicable Target Assay.  The other SIDDCO Consortium 
     Partner will be licensed to make and use the Target Product only for 
     research and Target Product discovery purposes.  SIDDCO shall use its 
     best efforts to inform NPS of any such conflict.  If SIDDCO is not able 
     to determine which Target Assay activity was first identified, 


                                       31

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     then rights to the Target Product shall be determined by arbitration 
     among the affected parties in accordance with this Article.










                                       32

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

                                   ARTICLE 11

                                   INDEMNITY

11.1 NPS agrees to indemnify SIDDCO and/or its Affiliates from and against 
     any liability suffered by SIDDCO and/or its Affiliates which is 
     attributable to manufacture, use or sale of an NPS Target Product,  NPS 
     Combinatorial Chemistry Product, or other  NPS technology relating to 
     SIDDCO Combinatorial Chemistry Technology, provided NPS shall have sole 
     control of the defense and settlement of such liability.

11.2 Whenever any claim shall arise for indemnification under this Article 
     11, the Indemnified Party shall notify the party or parties (as the case 
     may be) against whom indemnification is sought (whether one party or 
     more, the "Indemnifying Party") in writing by registered mail within 30 
     days after the Indemnified Party has actual knowledge of the facts 
     constituting the basis for such claim.  Such notice shall specify all 
     facts known to the Indemnified Party-giving rise to such indemnification 
     right and the amount or an estimate of the amount of the liability 
     arising therefrom. The right to indemnification hereunder and the amount 
     or the estimated amount thereof, as set forth in such notice, shall be 
     deemed agreed to by the Indemnifying Party unless, within 30 days after 
     the receipt of such notice, the Indemnified Party is notified in writing 
     that the Indemnifying Party disputes the right to indemnification as set 
     forth or estimated in such notice.

11.3 If the facts giving rise to any such indemnification shall involve any 
     actual or threatened claim or demand by a third party against the 
     Indemnified Party or any possible claim by the Indemnified Party against 
     any third party, the Indemnifying Party shall be entitled (without 
     prejudice to the 


                                       33

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                                             [CONFIDENTIAL TREATMENT REQUESTED]

     right of the Indemnified Party to participate at its expense through 
     counsel of its own choosing) at its expense and through counsel of its 
     own choosing to defend or prosecute such claim, provided, however, that 
     if by reason of the claim of such third party a lien, attachment, 
     garnishment or execution is placed upon any of the property or assets of 
     the Indemnified Party, the Indemnifying Party, if it desires to exercise 
     its right to defend or prosecute such suit, shall furnish a satisfactory 
     indemnity bond to obtain the prompt release of such lien, attachment, 
     garnishment or execution.  The Indemnified Party shall cooperate in the 
     defense or prosecution of such claim, but shall be entitled to be 
     reimbursed for all costs and expenses incurred by it in connection 
     therewith.

                                   ARTICLE 12

                                  INFRINGEMENT
                                           
12.1 In the event that the exclusive or Consortium-Exclusive rights of NPS 
     under any SIDDCO patent shall be infringed by a third party, SIDDCO 
     shall cooperate with NPS in the enforcement of NPS's rights to NPS 
     Target Products and as a Consortium-Exclusive licensee of SIDDCO 
     Combinatorial Chemistry Technology against such third party at the sole 
     expense of NPS.  SIDDCO shall not be obligated to initiate any such 
     action against a third party.  SIDDCO and each Consortium Partner shall 
     be entitled to receive a share of the net recovery from such action 
     regarding SIDDCO Combinatorial Chemistry Technology in proportion to the 
     number of Consortium Partners, after all expenses of litigation are 
     paid.  In the event SIDDCO elects to initiate or participate in such 
     action, NPS shall cooperate with SIDDCO at SIDDCO's expense. 


                                       34

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                                   ARTICLE 13

                     CONFIDENTIAL INFORMATION; PUBLICATIONS
                                           
                                           
13.1 Any non-public information provided by either party to the other 
     pursuant to this Agreement shall be considered confidential information, 
     and shall not be used or disclosed for any purpose except as provided 
     herein, for the Term of the Collaboration and for five years thereafter. 
     This obligation shall not apply to information which:

     13.1.1 The receiving party can establish by written documentation in 
            existence prior to the disclosure, was previously known to the 
            receiving party prior to disclosure thereunder;

     13.1.2 Is or becomes publicly available other than through the act of 
            the receiving party;

     13.1.3 Is received from a third party without obligation of 
            confidentiality and without breach of an obligation of 
            confidentiality; or

     13.1.4 Is disclosed by order of a court or regulatory authority, 
            provided that the disclosing party shall be given prompt notice of 
            such order.  And a reasonable opportunity to minimize and 
            otherwise protect such disclosure, with the reasonable cooperation 
            of the receiving party.


                                       35

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13.2  Upon execution of this Agreement, NPS and SIDDCO shall prepare and 
      issue a joint press release announcing the entering into of this 
      Agreement.  The provisions of such press release are subject to the 
      mutual approval of each party, which approval shall not be unreasonably 
      withheld.

13.3  It is the intent of the parties to permit the publication of 
      developments in the Collaboration in order to further the development of 
      science and the credibility of NPS and SIDDCO in the scientific, 
      business, and financial community.  Publication shall be delayed as 
      necessary to permit the filing of patent applications or to maintain 
      trade secrets within the Combinatorial Chemistry Consortium, or as 
      otherwise directed by the Consortium Research Management Team or the 
      NPS/SIDDCO Executive Management Team.  Nothing in this Article 13 shall 
      authorize either party to publish the confidential information of the 
      other party.

13.4  Each party shall have a written agreement with each of its employees or 
      consultants having access to confidential information of the other party 
      reflecting the obligations set forth in this Article 13.

13.5  NPS and each SIDDCO Consortium Partner shall have a written agreement 
      with its Visiting Bench Scientists and [CONFIDENTIAL TREATMENT REQUESTED]
      and its other representatives appointed to the various teams and 
      committees described herein, and SIDDCO shall have a written agreement 
      with its NPS Dedicated Project Team members, Consortium Development Team 
      members, and its representatives to the various teams and committees 
      described herein, that any non-public information provided by any party 
      to the other, whether advertently or inadvertently, pursuant to Target 
      Products of another Consortium Partner, during the pursuit of this 
      collaboration, shall be considered confidential information, and shall 
      not be used or disclosed for any purpose except as 


                                       36

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     provided herein, for the Term of the Collaboration and for five years 
     thereafter. This obligation shall not apply to information which is 
     expressly excluded pursuant to paragraphs 13.1.1 through 13.1.4.

13.6 The parties agree that each shall not knowingly export or re-export, 
     directly or indirectly, any information, technical data, samples or 
     equipment received or generated thereunder in violation of any 
     applicable United States government regulations, including but not 
     limited to Part 779 of the United States Department of Commerce Export 
     Control Regulations.

13.7 SIDDCO shall not knowingly transfer to NPS any Combinatorial Chemistry 
     Technology, Combinatorial Chemistry Products, Combinatorial Libraries, 
     or Target Products licensed by SIDDCO, which represent a violation of 
     applicable United States government regulations or the license terms.

13.8 Except for its obligation to the SIDDCO Consortium Partners SIDDCO agrees 
     not to transfer or license the SIDDCO Combinatorial Chemistry Technology 
     that is the subject of this Agreement to other companies for a period of 
     [CONFIDENTIAL TREATMENT REQUESTED] from the date of this Agreement.

13.9 NPS and each SIDDCO Consortium Partner shall have a written invention 
     assignment agreement with its Visiting Bench Scientists and NPS Dedicated 
     Project Team Leader, and its other representatives, and SIDDCO shall have a
     written invention assignment agreement with its NPS Dedicated Project Team 
     members, Consortium Development Team members, and its 


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     representatives, that any inventions shall be assigned, with the 
     payment of $1.00, to their respective company of employment, as such 
     inventions pertain to the subject of this Agreement, to be in effect for 
     the Term of the Collaboration and for [CONFIDENTIAL TREATMENT REQUESTED] 
     thereafter. 


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                                    ARTICLE 14

                         REPRESENTATIONS AND WARRANTIES
                                           
14.1 SIDDCO hereby represents and warrants that it is duly organized and has 
     full power and authority to execute and deliver this Agreement and to 
     consummate the transactions contemplated hereby.

14.2 NPS represents and warrants that it is duly organized, is authorized to 
     enter into this Agreement and to perform its obligations thereunder, and 
     that this Agreement, when executed as indicated below will be a binding 
     obligation of the parties hereto.

14.3 SIDDCO does not guarantee the validity of any future patent rights 
     licensed hereunder and makes no representation with regard to the scope 
     or patentability of  the SIDDCO Combinatorial Chemistry Technology or 
     that such patent rights may be exploited by NPS or an Affiliate without 
     infringing other patents.

14.4 EXCEPT AS EXPRESSLY PROVIDED HEREIN, NEITHER PARTY MAKES ANY 
     REPRESENTATION OR WARRANTY TO THE OTHER AS TO MERCHANTABILITY OR FITNESS 
     FOR A PARTICULAR PURPOSE, OR ANY OTHER WARRANTY OF ANY KIND WHATSOEVER 
     AS TO ANY PRODUCT, TECHNOLOGY, OR SERVICE TO BE PROVIDED THEREUNDER.


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                                    ARTICLE 15

                                     NOTICES
                                           
15.1 Any notices required or permitted to be given to, or served upon, either 
     party hereto pursuant to this Agreement shall be sufficiently given or 
     served if sent to such party by registered air mail and (if urgent) by 
     facsimile, addressed to it at its address as set forth below, or to such 
     other address or call number as it shall designate by written notice 
     given to the other party: 

To SIDDCO:

                     SIDDCO, Inc.
                     2461 East Calle Sin Pecado
                     Tucson, Arizona 85718
                     Attention: Executive Vice President, Business Development

                 With a copy to

                     Bryan E. Daum, Attorney at Law
                     1760 East River Road, Suite 115
                     Tucson, Arizona 85718

To NPS:

                     NPS Pharmaceuticals, Inc.
                     420 Chipeta Way
                     Salt Lake City, UT 84108
                     Attention:  Vice President, Research

                 With a copy to    
                     NPS Pharmaceuticals, Inc.
                     420 Chipeta Way
                     Salt Lake City, UT 84108
                     Attention:  Office of General Counsel


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                                   ARTICLE 16

                                  MISCELLANEOUS
                                           
16.1 No modification or amendment of this Agreement shall be valid or binding 
     upon the parties hereto unless made in writing and signed on behalf of 
     each of the parties hereto by their respective duly authorized officers. 
      This Agreement shall be construed in accordance with, and governed by, 
     the laws of Arizona excluding choice of laws.  In the event that any 
     provision of this Agreement is held to be invalid or unenforceable in 
     any jurisdiction, such provision shall be deemed stricken in such 
     jurisdiction, and the remainder of this Agreement shall be given full 
     force and effect consistent with the intent of the parties.  Neither 
     party shall be held liable for any failure or delay in performance which 
     is cause by fire, flood, earthquake, embargo, government regulation, 
     prohibition or intervention, act of war (whether declared or not), 
     strikes, acts of God, or any other cause beyond the reasonable control 
     of the affected party.

16.2 SIDDCO shall offer to NPS, as an amendment to this contract after its 
     signing, any substantive change affecting the ownership, licensing, or 
     transfer of technology to Consortium Partners which are part of a 
     subsequent Consortium Agreement with SIDDCO and any other Consortium 
     Partner.


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


SIDDCO, INC.                          NPS PHARMACEUTICALS, INC.



By: /s/ BRUCE SELIGMAN                By: /s/ HUNTER JACKSON            
    ------------------------------        ------------------------------
                                               Hunter Jackson, Ph.D.
                                                                        
Its:     President and CEO            Its:     President and CEO        
    ------------------------------        ------------------------------
                                                                        
Date: July 16, 1997                   Date: July 16, 1997
     -----------------------------         -----------------------------


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                                      ADDENDUM A
                                        TO THE
                          RESEARCH AND DEVELOPMENT AGREEMENT
                                       BETWEEN
                                     SIDDCO, INC.
                                         AND
                              NPS PHARMACEUTICALS, INC.
                                           
- -------------------------------------------------------------------------------
                                           
                          SIDDCO CONSORTIUM PARTNER PROGRAM
                                           
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                                      APPENDIX I
                                           
                                 SIX MONTH WORK PLAN
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