GLYKO BIOMEDICAL LTD
10QSB, 1998-11-16
IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES
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                     U.S. Securities and Exchange Commission
                             Washington, D.C. 20549
                                   Form 10-QSB

 [X]     QUARTERLY REPORT UNDER SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE
                                    ACT OF 1934
                  For the quarterly period ended September 30, 1998

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

                         Commission file number: 0-21994

                             GLYKO BIOMEDICAL, LTD.
        (Exact name of small business issuer as specified in its charter)

           Canada                                   68-0230537
(State of other jurisdiction of        (I.R.S. Employer Identification No.)
incorporation or organization)

                   11 Pimentel  Court,  Novato,  California  94949  (address  of
                    principal executive offices)

                                 (415) 382-6653
              (Registrant's telephone number, including area code)

                                 Not Applicable
(Former name,former address and former fiscal year,if changed since last report)

   Check whether the issuer (1)filed all reports required to be filed by Section
13 or 15(d) of the  Exchange  Act during the past 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

                APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY

                   PROCEEDINGS DURING THE PRECEDING FIVE YEARS

     Check whether the registrant filed all documents and reports required to be
filed by Section 12, 13 or 15(d) of the Exchange Act after the  distribution  of
securities under a plan confirmed by a court. Yes____ No_____

                      APPLICABLE ONLY TO CORPORATE ISSUERS

     State the number of shares  outstanding of each of the issuer's  classes of
common  equity,  as of the latest  practicable  date:  25,393,801  common shares
outstanding as of October 31, 1998.

     Transitional Small Business Disclosure Format (check one): Yes___ No X


<PAGE>




                             GLYKO BIOMEDICAL, LTD.
                                TABLE OF CONTENTS

                                                                     Page

PART I.  FINANCIAL INFORMATION

         Item 1.  Financial Statements (Unaudited).

         Consolidated Balance Sheets as of  September 30, 1998
            and December 31, 1997......................................2
         Consolidated  Statements  of  Operations  for the three
            and nine months ended September 30, 1998 and 1997......... 3
         Consolidated Statements of Cash Flows for the nine months
            ended September 30, 1998 and 1997..........................4
         Notes to Consolidated Financial Statements....................5

     Item 2. Management's Discussion and Analysis......................9

PART II. OTHER INFORMATION

         Item 1.  Legal Proceedings...................................12

         Item 2.  Changes in Securities...............................12

         Item 3.  Defaults upon Senior Securities.....................12

         Item 4.  Submission of Matters to a Vote of
                    Security Holders..................................12

         Item 5.  Other Information...................................12

         Item 6.  Exhibits and Reports on Form 8-K....................12

SIGNATURE.............................................................13





<PAGE>

                         PART I. - FINANCIAL INFORMATION

ITEM 1.  Financial Statements (Unaudited)

<TABLE>

                             GLYKO BIOMEDICAL, LTD.
                           CONSOLIDATED BALANCE SHEETS
                                (In U.S. dollars)

<CAPTION>
                                                 September 30,                December 31,
                                                     1998                         1997
                                                 (unaudited)                   (audited)
                                          ------------------------     ------------------------
<S>                                       <C>                          <C>
Assets
Current assets:
    Cash and cash equivalents                 $ 1,236,288                    $ 528,280
    Trade receivables                             186,340                      141,743
    Inventories                                    76,595                       95,210
    Note receivable                               100,000                            -
    Other current assets                           37,867                       15,179
                                          ------------------------     ------------------------
      Total current assets                      1,637,090                      780,412
Investment in BioMarin Pharmaceutical Inc.      7,476,889                    3,025,990
Property, plant and equipment, net                 93,368                      118,910
Other assets                                        2,206                        2,206
                                          ------------------------     ------------------------
      Total assets                            $ 9,209,553                  $ 3,927,518
                                          ========================     ========================

Liabilities and Stockholders' Equity
Current liabilities:
    Accounts payable                          $    88,490                  $    38,916
    Accrued liabilities                           319,532                      393,408
    Deferred rent and related costs                     -                      365,880
                                          ------------------------     ------------------------
      Total current liabilities                   408,022                      798,204
                                          ------------------------     ------------------------
      Total liabilities                           408,022                      798,204

Stockholders' equity:
    Common stock, no par value, unlimited
      shares authorized, 25,313,176 and
      21,573,044 shares issued and
      outstanding at September 30, 1998
      and December 31, 1997, respectively       15,591,042                   13,154,224
    Additional paid in capital                   9,924,622                    4,068,564
    Common stock warrants and options              769,945                      929,585
    Deferred compensation                                -                      (33,364)
    Accumulated deficit                        (17,484,078)                 (14,989,695)
                                          ------------------------     ------------------------
      Total stockholders' equity                 8,801,531                    3,129,314
                                          ------------------------     ------------------------
      Total liabilities and stockholders'
        equity                                 $ 9,209,553                  $ 3,927,518
                                          ========================     ========================
<FN>


        The accompanying notes are an integral part of these statements.
</FN>
</TABLE>

                                       2

<PAGE>


                             GLYKO BIOMEDICAL, LTD.
                      CONSOLIDATED STATEMENTS OF OPERATIONS
                          (unaudited, in U.S. dollars)
<TABLE>


<CAPTION>
                                             Three Months Ended September 30,    Nine Months Ended September 30,
                                            ---------------------------------    -------------------------------
                                                  1998               1997           1998              1997
                                            ---------------   ---------------   -------------   ----------------
<S>                                         <C>               <C>               <C>             <C>
Revenues:
     Sales of products and services             $ 302,435           $ 393,689     $ 843,587           $ 910,969
     Other revenues                                83,898              78,712       288,243             706,847
                                            ---------------   ----------------  -------------   ----------------
       Total revenues:                            386,333             472,401     1,131,830           1,617,816

Expenses:
     Cost of products and services                 95,665             123,897       275,555             383,072
     Research and development                     281,296             130,016       627,673             468,860
     Selling, general and administrative          150,925             179,279       510,363             532,371
     Other                                              -                   -      (165,880)                  -
                                            ---------------   ----------------  -------------   ----------------
       Total expenses:                            527,886             433,192     1,247,711           1,384,303
                                            ---------------   ----------------  -------------   ----------------
Income (loss) from operations                    (141,553)             39,209      (115,881)            233,513
Equity in loss of BioMarin Pharmaceutical Inc. (1,063,723)           (715,225)   (2,405,161)         (1,920,863)
Interest income                                    10,950               3,288        27,959               8,398
Other income (loss)                                (1,300)              1,084        (1,300)             16,020
                                            ---------------   ----------------  -------------   ----------------
Net loss                                     $ (1,195,626)         $ (671,644)  $(2,494,383)       $ (1,662,932)
                                            ===============   ================  =============   ================

Net loss per common share                         $ (0.05)            $ (0.03)      $ (0.11)            $ (0.08)
                                            ===============   ================  =============   ================

Weighted average number of shares
  used in computing per share amounts          24,726,345          21,533,488     23,151,544          20,182,303
                                            ===============   ================  =============   ================
<FN>

        The accompanying notes are an integral part of these statements.
</FN>
</TABLE>

                                       3


<PAGE>


                             GLYKO BIOMEDICAL, LTD.
                      CONSOLIDATED STATEMENTS OF CASH FLOWS
                          (unaudited, in U.S. dollars)

                                          Nine months ended September 30,
                                         --------------------------------
                                              1998                1997
                                         ----------------  --------------
Cash flows from operating activities:
    Net loss                              $ (2,494,383)     $ (1,662,932)

Adjustments to reconcile net loss to net
     cash provided by (used in)
     operating activities:
    Depreciation and amortization               67,740            43,244
    Equity in the loss of BioMarin
     Pharmaceutical Inc.                     2,405,161         1,920,863
    Gain on settlement of claim               (165,880)                -
    Changes in assets and liabilities:
      Trade receivables                        (44,597)          (77,660)
      Inventories                               18,615           (25,082)
      Note receivable                         (100,000)                -
      Other current assets                     (22,688)            2,655
      Accounts payable                          49,574          (132,222)
      Accrued liabilities                      (73,876)          198,771
      Deferred rent and related costs         (200,000)           31,087
                                         ----------------  ---------------
    Total adjustments                        1,934,049         1,961,656
                                         ----------------  ---------------
      Net cash provided by (used in)
       operating activities                   (560,334)          298,724

Cash flows from investing activities:
    Investment in BioMarin
     Pharmaceutical Inc.                    (1,000,002)       (1,500,000)
    Purchases of property, plant
     and equipment                              (8,834)          (66,908)
                                         ----------------  ----------------
      Net cash used in investing
       activities                           (1,008,836)       (1,566,908)

Cash flows from financing activities:
    Net proceeds from the issuance of
      common stock and warrants
      in a private placement                         -         1,423,873
    Net proceeds from the issuance of
      common stock pursuant to a
      technology and license agreement          70,740                 -
    Proceeds from the exercise of stock
      options and common stock warrants      2,206,438                 -
                                         ---------------   ----------------
      Net cash provided by financing
       activities                            2,277,178         1,423,873
                                         ---------------   ----------------
Net increase in cash                           708,008           155,689
Cash and cash equivalents, beginning
 of period                                     528,280           210,992
                                        ---------------   ----------------
Cash and cash equivalents,end of period    $ 1,236,288         $ 366,681
                                        ===============   ================


Supplemental disclosure of non-cash financing activities:
    Common stock and common stock warrants issued
    in exchange for financing services         $ -             $ 160,881

        The accompanying notes are an integral part of these statements.

                                       4

<PAGE>





                             GLYKO BIOMEDICAL, LTD.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.      Basis of Presentation
        The  accompanying  consolidated  financial  statements are unaudited but
        have been prepared in conformity with U.S. generally accepted accounting
        principles using U.S. dollars and on substantially the same basis as the
        audited annual financial statements.  In the opinion of management,  the
        unaudited  consolidated  financial  statements  reflect all  adjustments
        necessary  for  a  fair  presentation  of  the  consolidated   financial
        position,  results  of  operations  and cash  flows  for  those  periods
        presented. The unaudited results for the period ended September 30, 1998
        are not necessarily  indicative of results to be expected for the entire
        year. The accompanying  consolidated financial statements should be read
        in conjunction  with the consolidated  financial  statements and related
        footnotes for the year ended December 31, 1997 included in the Company's
        Form 10-KSB.

2.      Company and Description of Business
        The  consolidated  financial  statements  include the  accounts of Glyko
        Biomedical,  Ltd. ("GBL") and its wholly-owned subsidiary,  Glyko, Inc.,
        (collectively,  the "Company"). Since its inception in October 1990, the
        Company has engaged in research and  development  of new  techniques  to
        analyze  and  manipulate  carbohydrates  for  research,  diagnostic  and
        pharmaceutical  purposes.  The Company has  developed a line of analytic
        instrumentation  laboratory  products  that  include an imaging  system,
        analysis  software and chemical analysis kits. Glyko, Inc. is continuing
        to develop additional chemical kits for use with the imaging system, and
        is also  developing a line of diagnostic  products based on carbohydrate
        biology.  In October  1996,  GBL  formed  BioMarin  Pharmaceutical  Inc.
        ("BioMarin"), a  development stage company,   a  Delaware   corporation,
        to  develop  the  Company's  pharmaceutical  products.  BioMarin   began
        business   on   March 21,  1997  (inception)  and  subsequently   issued
        1,500,000   shares   of  common  stock  to  GBL  for  $1.5 million.   As
        consideration  for a certain license agreement dated June 1997, BioMarin
        issued GBL 7,000,000  shares  of  BioMarin  common  stock.  Beginning in
        October 1997,  BioMarin  raised  capital  from third  parties  with  the
        result   that  at  December  31,  1997,  GBL's  ownership  interest   in
        BioMarin  had  been   reduced   to  41.3%   of   BioMarin's  outstanding
        capital   stock.   As   of  December 31, 1997,    the   Company    began
        recording its share of BioMarin's  net loss  utilizing the equity method
        of accounting.  On June 30, 1998,  BioMarin  raised net proceeds of $3.3
        million (598,535 shares)  including a $1.0 million  investment from GBL.
        On August 3, 1998 BioMarin  raised an additional $8.1 million from third
        parties. On September 4, 1998, BioMarin received $8 million from Genzyme
        Corp.  ("Genzyme") upon execution of a joint venture  agreement in which
        BioMarin  issued  1,333,333  shares of common  stock to  Genzyme.   As a
        result of this joint venture agreement, BioMarin has a 50%  interest  in
        the income or loss of  the joint venture, BioMarin/Genzyme, LLC.   As of
        September 30, 1998,  GBL owned 36.2% of BioMarin's  outstanding  capital
        stock.  Subsequent to September  30, 1998,  GBL sold to BioMarin 100% of
        the outstanding  capital stock of Glyko,  Inc. in exchange for 2,259,039
        shares of BioMarin's common stock plus BioMarin agreed to assume options
        to purchase up to 585,969  shares of GBL's common  stock (which  options
        were  previously  issued to employees of Glyko,  Inc.) and BioMarin paid
        $500 in cash.  As of  October  7, 1998,  GBL owned  41.7% of  BioMarin's
        outstanding capital stock.

        The consolidated  financial  statements as of and for the three and nine
        months  ended  September  30, 1997 have been  retroactively  restated to
        reflect  deconsolidation  of  BioMarin.  All  significant   intercompany
        accounts and transactions have been eliminated.  Certain balances in the
        prior years have been  reclassified  to conform  with the  current  year
        presentation.

        The Company, to the extent of taxable income, has not provided  taxes as
        the  Company  believes  that  any taxable  income  will be offset by net
        operating loss carryforwards.

        Since its  inception,  the Company has incurred a cumulative  deficit of
        $17,484,000  and GBL expects to continue to incur losses during 1998 due
        to its share of BioMarin's net loss resulting from the ongoing  research
        and development of BioMarin's  pharmaceutical  product candidates.  As a
        result of GBL's sale of Glyko,  Inc. on October 7, 1998, GBL has limited
        operating  activities  and its  principal  asset  is its  investment  in
        BioMarin. Accordingly, without further investment in  other companies or
        technologies,  management  believes  that  GBL  has  sufficient  cash to
        sustain  planned  operations for the foreseeable  future as it no longer
        owns the analytic and diagnostic operations of Glyko, Inc. BioMarin will
        require additional capital, however, GBL  is  not  obligated to  provide
        this  capital.   Management  of GBL believes  that  due to  the  current
        financial  position and  stage  of  development  of BioMarin, no reserve
        is required for any potential impairment of its investment in BioMarin.

                                       5

<PAGE>



                             GLYKO BIOMEDICAL, LTD.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS




3.     Product Sales
       The Company  recognizes  product  revenues and related cost of sales upon
       shipment of products.  Service revenues are recognized upon completion of
       services  as  evidenced  by  the   transmission  of  related  reports  to
       customers.  Other revenues,  principally licensing and distribution fees,
       are recognized upon completion of applicable contractual obligations.

4.     Net Loss per Share
       Basic net loss per  share is  calculated  by dividing  net  loss  by  the
       weighted average common shares outstanding  during  the  period,  and for
       diluted net income  per share, net  income is divided  by  the  weighted 
       average of common  stock  outstanding  and potential common shares during
       the  period.   Potential   common   shares  included   in  the   dilution
       calculation  consist  of  dilutive shares  issuable  upon the exercise of
       outstanding common  stock  options, warrants and contingent issuances of 
       common   stock.  For  periods  in  which the  company  has  losses,  such
       potential   common   shares   are  excluded  from   the  computation   of
       diluted   net  loss  per  share  as  their effects are antidilutive.

       Potentially  dilutive  securities  include  outstanding  options  for the
       purchase  of  2,004,692  and   2,600,485   shares  of  common  stock  and
       outstanding  warrants  for the  purchase of 7.7 million and 10.9  million
       shares of common  stock at  September  30,  1998 and 1997,  respectively.
       These  securities were not considered in the computation of dilutive loss
       per share because their effect would be  anti-dilutive  for the three and
       nine months ended September 30, 1998 and 1997. At October 7, 1998,  after
       the sale of Glyko, Inc., outstanding GBL options totaled 1,418,723.

5.     Termination of Millipore Marketing Agreement
       In 1990, the Company entered into an agreement (the  "Agreement")  giving
       Millipore  the  exclusive  right to market and  distribute  the Company's
       analytic  products  for an initial  period of six years.  In April  1994,
       Millipore and the Company agreed to terminate the Agreement.  In exchange
       for relinquishing its rights under the Agreement,  Millipore will receive
       500,000  shares  of common  stock,  subject  to  Toronto  Stock  Exchange
       approval.  In the third quarter of 1994 the Company  recorded a charge to
       operations  of  $219,811  for costs  related  to the  termination  of the
       Agreement.  This amount  represents  the  estimated  fair market value of
       stock to be issued as a result of the  termination of the Agreement.  The
       Toronto  Stock  Exchange  has not  permitted  the issuance of the 500,000
       shares because the transaction is not considered arms length. The Toronto
       Stock  Exchange  requires that an  independent  valuation be performed in
       order to reconsider  the issuance of these shares.  No such valuation has
       been  performed to date.  Millipore was a stockholder in the Company from
       1990 until April 1998. At September 30, 1998 the liability of $219,811 is
       included in accrued liabilities in the accompanying  consolidated balance
       sheets.

6.     Private Placement of Securities
       On March  21,  1997,  the  Company  closed a  Cdn.$2.0  million  (USD$1.4
       million)  financing (the Q197 Financing) to fund the start-up of BioMarin
       which was formed to develop the Company's  pharmaceutical  products. As a
       result of this  financing,  GBL issued 4.0 million units at Cdn.$0.50 per
       unit,  each unit  consisting  of one common  share and one  common  share
       purchase  warrant.  Each warrant can be exercised for one share of common
       stock at Cdn.$1.00  per share,  expiring on March 21, 1999. An additional
       280,000 units and 280,000 warrants valued at approximately  $161,000 were
       distributed  to  the  brokers  in  exchange  for  services   rendered  in
       connection   with  the  Q197   Financing.   The  Company   utilized   the
       Black-Scholes  model  to  value  all  the  warrants  issued  in the  Q197
       Financing  at  approximately  $496,000.  GBL  used  the  proceeds  of the
       offering  and  additional  cash to purchase  1,500,000  common  shares of
       BioMarin for $1.5 million





                                        6

<PAGE>


                             GLYKO BIOMEDICAL, LTD.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS


       BioMarin and the Company have entered into a License Agreement dated June
       26, 1997,  pursuant to which the Company  granted  BioMarin an exclusive,
       worldwide,  perpetual,  irrevocable,  royalty-free  right and  license to
       certain   worldwide   patents,   trade  secrets,   copyrights  and  other
       proprietary rights to all know-how,  processes,  formulae, concepts, data
       and other such intellectual  property,  whether patented or not, owned or
       licensed  by the  Company  and  its  subsidiaries  as of the  date of the
       License Agreement for application in therapeutic uses, including, without
       limitation,   drug  discovery  and  genomics.   Under  the  same  License
       Agreement,   BioMarin  granted  the  Company  an  exclusive,   worldwide,
       perpetual,  irrevocable,  royalty-free  cross-license to all improvements
       BioMarin  may  make  upon  the   licensed   intellectual   property.   As
       consideration  for this license,  BioMarin issued GBL 7,000,000 shares of
       BioMarin common stock.

       Subsequent  to  September  30,  1998,  GBL sold to  BioMarin  100% of the
       outstanding capital stock of Glyko, Inc. in exchange for 2,259,039 shares
       of  BioMarin's  common stock plus  BioMarin  agreed to assume  options to
       purchase up to 585,969  shares of GBL's common stock (which  options were
       previously issued to employees of Glyko,  Inc.) and BioMarin paid $500 in
       cash. As a result of this transaction, as of October 7, 1998, GBL's share
       of BioMarin's  outstanding  capital stock  increased from 36.2% to 41.7%.
       The  exercise  of BioMarin  options or warrants  will result in a further
       reduction of GBL's ownership percentage and future fundraising efforts of
       BioMarin may result in a similar reduction of GBL's ownership percentage.
       To the extent  that the  issuance  of common  stock by  BioMarin to third
       parties  at a per  share  price  greater  than or less than the per share
       carrying  value of GBL's  investment in BioMarin,  the resulting  gain or
       loss is reflected as an increase or decrease, respectively, in additional
       paid in capital in the consolidated balance sheet. During the nine months
       ended  September  30,  1998,  the Company  increased  additional  paid in
       capital by  $5,856,000  as a result of the sale of stock by  BioMarin  at
       $6.00 per share in 1998.

7.     Investment in BioMarin Pharmaceutical Inc.
       Results   of   the  Company's  unconsolidated   affiliate,   BioMarin  (a
       development stage company), are summarized  as follows for  the three and
       nine months ended  September  30, 1998, three months  ended September 30,
       1997 for the period from March 21, 1997(inception) to September 30, 1997:

<TABLE>
<CAPTION>

                                                                                                                   Period from
                                                Three months          Three months          Nine months          March 21, 1997
                                                    ended                 ended                ended             (inception), to
                                                September 30,         September 30,        September 30,          September 30,
                                                    1998                  1997                  1998                  1997
                                                 (unaudited)           (unaudited)          (unaudited)            (unaudited)
                                              ------------------    ------------------    -----------------     ------------------
<S>                                           <C>                   <C>                   <C>                   <C>

OPERATING COSTS AND EXPENSES:
   Research and development                   $    1,465,909        $      551,463        $    3,621,468        $    1,469,336
   General and administrative                      1,439,441               166,364             2,771,186               457,018
                                              ------------------    ------------------    -----------------     ------------------
                Loss from operations              (2,905,350)             (717,827)           (6,392,654)           (1,926,354)
EQUITY IN LOSS OF BIOMARIN/
   GENZYME, LLC                                     (141,554)                    -              (141,554)                    -
INTEREST INCOME                                      229,831                 2,602               469,098                 5,491
                                              ------------------    ------------------    -----------------     ------------------
                Net loss                      $   (2,817,073)       $     (715,225)       $   (6,065,110)       $   (1,920,863)
                                              ==================    ==================    =================     ==================
THE COMPANY'S EQUITY IN
    LOSS OF BIOMARIN                          $   (1,063,723)       $     (715,225)       $   (2,405,161)       $   (1,920,863)
                                              ==================    ==================    =================     ==================
</TABLE>




                                        7

<PAGE>


                             GLYKO BIOMEDICAL, LTD.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



 8.    Note Receivable
       As part of its  compensation  for  certain  services,  GBL  issued  stock
       options to a consulting group.  These options are in the process of being
       approved  by the  Toronto  Stock  Exchange.  GBL loaned  $100,000  to the
       consulting  group in  anticipation  that the Toronto Stock Exchange would
       approve the stock options. The excess of the fair market value of the GBL
       stock at  September  30,  1998  over the  exercise  price of the  options
       significantly  exceeds  the amount of the loan.  The  options are held as
       security for the loan.

 
 9.    Contingencies

       Facilities Dispute
       In July 1998,  the claim by  Millipore  Corp.  relating  to a  facilities
       dispute and other matters was settled, resulting in a gain of $165,880 as
       the amount of the ultimate settlement was less than the amount previously
       provided for by the Company.  This was  recognized in the second  quarter
       and six month ended June 30, 1998 results of operations.

       Product Liability and Lack of Insurance
       The Company is subject to product  liability claims in the event that the
       use of Glyko, Inc.'s products result in adverse effects during testing or
       commercial  sale.  The  Company   currently  does  not  maintain  product
       liability insurance.  Product liability claims for future sales of Glyko,
       Inc. products will be the responsibility of BioMarin.

10.    Subsequent Event
       As  discussed  in  Note 2, on  October 7, 1998, the Company sold its 100%
       ownership in Glyko Inc. to  BioMarin  in exchange for 2,259,039 shares of
       BioMarin's  outstanding  common  stock  plus  the  assumption of  585,969
       outstanding GBL stock options.   This sale increased  GBL's  ownership in
       BioMarin from 36.2% to 41.7%.  For the three and nine month periods ended
       September 30, 1998  substantially   all   of  the Company's  consolidated
       operating  revenues and  expenses related to  Glyko, Inc.   Subsequent to
       October 7, 1998, these operating revenues  and expenses will no longer be
       consolidated.

11.    New Accounting Standards
       In June, 1997, the Financial Accounting Standards Board issued SFAS No.
       131,"Disclosures about Segments of an Enterprise and Related Information"
       and  in  June, 1998  issued  SFAS  No. 133,  "Accounitng  for  Derivative
       Instruments  and  Hedging  Activities".   SFAS  No. 131 and  133  are not
       expected to impact the Company's financial reporting.



                                        8
<PAGE>



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


       The following  discussion and analysis of financial condition and results
       of operations  contains  certain  forward looking  statements  within the
       meaning of Section 27A of the U.S.  Securities  Act of 1933,  as amended,
       and Section 21E of the U.S.  Securities Exchange Act of 1934, as amended,
       that involve risks and  uncertainties,  such as statements  regarding the
       development of a line of carbohydrate diagnostic products as discussed in
       the  "Overview,"  statements  regarding,  ongoing  liquidity  of  GBL  as
       discussed in  "Liquidity  and Capital  Resources,"  and future  operating
       results of  BioMarin  in "Risk  Factors -  Dependence  on  Investment  in
       BioMarin." The Company's actual results could differ  materially from the
       results  anticipated  in  these  forward-looking  statements.  Risks  are
       identified  in  "Overview,  " "Results  of  Operations,"  "Liquidity  and
       Capital Resources," and "Risk Factors."

Overview
The consolidated  financial statements include the accounts of Glyko Biomedical,
Ltd. ("GBL") and its wholly-owned subsidiary,  Glyko, Inc.,  (collectively,  the
"Company").  Since its  inception  in October  1990,  the Company has engaged in
research  and   development   of  new   techniques  to  analyze  and  manipulate
carbohydrates for research,  diagnostic and pharmaceutical purposes. The Company
has  developed  a line of  analytic  instrumentation  laboratory  products  that
include an imaging system,  analysis software and chemical analysis kits. Glyko,
Inc. is continuing to develop additional  chemical kits for use with the imaging
system,  and  is  also  developing  a  line  of  diagnostic  products  based  on
carbohydrate biology.

In October 1996, GBL formed BioMarin Pharmaceutical Inc. ("BioMarin") to develop
the Company's  pharmaceutical  product  candidates.  In March 1997,  the Company
raised Cdn.$2.0  million (USD$1.4  million) to fund the operational  start-up of
BioMarin, a development stage company.  With the proceeds of this financing plus
additional  funds,  GBL  invested  $1.5  million in  BioMarin  in  exchange  for
1,500,000  shares of BioMarin common stock.  BioMarin issued 7,000,000 shares of
BioMarin common stock to GBL pursuant to a License Agreement between the Company
and BioMarin  executed on June 26, 1997. As of June 26, 1997,  GBL held at total
of 8,500,000 shares of BioMarin's  common stock  representing 100% of BioMarin's
outstanding capital stock.  Subsequent private placement  financings by BioMarin
reduced the  Company's  ownership of BioMarin to 36.2% at September 30, 1998. On
October 7, 1998, GBL sold to BioMarin 100% of the  outstanding  capital stock of
Glyko,  Inc. in exchange for 2,259,039  shares of  BioMarin's  common stock plus
BioMarin  agreed to assume  options to  purchase  up to 585,969  shares of GBL's
common stock (which options were previously issued to employees of Glyko,  Inc.)
and BioMarin paid $500 in cash,  This  transaction  increased GBL's ownership of
BioMarin to 41.7% of BioMarin's outstanding capital stock.

The Company  recorded a net loss for the nine months ended September 30, 1998 in
the amount of $2,494,000 mainly due to its share of BioMarin's net loss. For the
period from its  inception  to September  30,  1998,  the Company has incurred a
cumulative  deficit of $17,484,000.  GBL anticipates net losses will continue at
least through 1998 due to GBL's share of BioMarin's net loss.

As a result of GBL's sale of Glyko, Inc., as of October 7, 1998, GBL has limited
operating activities and its principal asset is its investment in BioMarin.

Results of Operations

The Quarters Ended September 30, 1998 and 1997
Revenues in the third  quarter of 1998 were  $386,000 and  consisted of sales of
products  and  services of  $302,000  and grant  revenues  of $84,000.  Sales of
products and services  consisted of sales of chemical  analysis kits and imaging
systems and fees for custom analytic  services.  Revenues for the same period in
1997 were  $472,000 and  consisted of sales of products and services of $393,000
and other revenues  consisting of development fees of $25,000 and grant revenues
of  $54,000.  The  decrease  in product  revenues  in the third  quarter of 1998
compared to the same period of 1997 was due to a decrease in the sales volume of
imaging systems.


                                        9

<PAGE>



Gross  margin on sales of  products  and  services  was 68  percent in the third
quarter of 1998 and 68 percent in the same period in 1997.

Research and  development  expenses in the third  quarter of 1998 were  $281,000
compared to $130,000 in the third quarter of 1997, an increase of $151,000.  The
increase  was  mainly  due to an  increase  in  personnel  and  in lab  supplies
purchased.

Selling, general and administrative expense was $151,000 in the third quarter of
1998, a decrease of $28,000 from the third  quarter of 1997 expense of $179,000.
This decrease was due to the decrease of costs  allocated to Glyko,  Inc. and an
increase of costs allocated to BioMarin for personnel expenses.

Equity in loss of BioMarin in the third quarter of 1998 was $1,064,000  compared
to $715,000 for the third quarter of 1997, in increase of $349,000. The increase
was due to the increased net loss of BioMarin  partially offset by a decrease in
ownership by GBL of BioMarin.

Interest income earned in the third quarters of 1998 and 1997 reflected earnings
on cash  invested  in short term  interest  bearing  accounts.  The  increase in
interest  income in the third quarter of 1998 resulted from higher cash balances
available for investment compared to the third quarter of 1997. Interest expense
in the third quarters of 1998 and 1997 was immaterial.

The Nine  Months Ended September 30, 1998 and 1997
Revenues  in the nine  months  ended  September  30,  1998 were  $1,132,000  and
consisted of sales of products and services of $844,000 and other revenues which
consisted of  development,  technology  and licensing  fees of $25,000 and grant
revenues of  $263,000.  Sales of products  and  services  consisted  of sales of
chemical  analysis  kits  and  imaging  systems  and fees  for  custom  analytic
services.  Revenues for the same period in 1997 were $1,618,000 and consisted of
sales of products and services of $911,000 and other revenues which consisted of
a technology  and licensing fee of $625,000 and grant  revenues of $82,000.  The
decrease in product  revenues  in the first nine months of 1998  compared to the
same  period of 1997 was due to a  decrease  in custom  analysis  services.  The
decrease in other revenues was due to the fact that in 1997 the Company received
a one-time fee relating  to  revised  technology and licensing  agreements  that
did not reoccur in 1998,  partially  offset by an increase in grant revenues due
to a grant beginning on June 1, 1997.

Gross  margin on sales of products and services was 67 percent in the first nine
months of 1998 and 58 percent in the same period in 1997.  The increase in gross
margin in 1998 was due to a  combination  of  decreased  manufacturing  overhead
expenses and an increase in product prices that took effect in July, 1997.

Research and development expenses in the first nine months of 1998 were $628,000
compared to $469,000 in the same period in 1997,  an increase of  $159,000.  The
increase  in  research  and  development  expenses  for the  nine  months  ended
September  30,  1998  compared  to the same period in 1997 was mainly due to the
increase in lab  personnel  and lab  supplies  purchased.

Selling,  general  and  administrative  expense  was  $510,000 in the first nine
months of 1998,  a decrease of $22,000 from the same period in 1997 of $532,000.
The decrease was due to the  decrease of costs  allocated to Glyko,  Inc. and an
increase of costs allocated to BioMarin for personnel expenses.

Equity in loss of BioMarin for first nine months of 1998 was $2,405,000 compared
to $1,921,000 for same period in 1997, an increase of $484,000. The increase was
due to the  increased  net loss of  BioMarin  partially  offset by a decrease in
ownership by GBL of BioMarin.

Interest  income  earned in the  first  nine  months of 1998 and 1997  reflected
earnings on cash invested in short term interest bearing accounts.  The increase
in interest  income in the first nine months of 1998  resulted  from higher cash
balances available for investment  compared to the same period in 1997. Interest
expense in the first nine months of 1998 and 1997 was immaterial.

Other  operating  expenses  in the  first  nine  months  of 1998  of  $(165,880)
represents  the gain on the  settlement  of a claim at an  amount  less than was
provided for by the Company.

                                       10


<PAGE>


Liquidity and Capital Resources

The  Company's  cash  position  increased  by $708,000 for the nine months ended
September  30, 1998 to  $1,236,000.  Net cash  proceeds of  $2,277,000  from the
issuance of common stock from the  exercise of stock  options and warrants and a
private placement financing relating to a technology and licensing fee agreement
was partially offset by the investment in BioMarin of $1,000,000,  net cash used
in operating  activities of $560,000,  and the purchases of property,  plant and
equipment of $9,000.

Since  its  inception,   the  Company  has  incurred  a  cumulative  deficit  of
$17,484,000  and GBL expects to continue to incur losses  during 1998 due to its
share of BioMarin's  net loss  resulting from  BioMarin's  ongoing  research and
development of pharmaceutical  product candidates.  As a result of GBL's sale of
Glyko, Inc., as of October 7, 1998, GBL has limited operating activities and its
principal  asset is its  investment in BioMarin.  Accordingly,  without  further
investments in other companies or technologies, management believes that GBL has
sufficient cash to sustain planned operations for the forseeable future as it no
longer owns the analytic and diagnostic  operations of Glyko, Inc. BioMarin will
require  additional  capital,  however,  GBL is not  obligated  to provide  this
capital.  Management of GBL believes that, due to the current financial position
and stage of development  of BioMarin,  no reserve is required for any potential
impairment of its  investment in BioMarin.  The Company is not obligated to make
future  investments  in BioMarin and BioMarin's net losses do not have an impact
on GBL's  cash  position.  See  "Risk  Factors -  Dependence  on  Investment  in
BioMarin," "-History of Operating Losses - Uncertainty of Future Profitability."

RISK FACTORS

Dependence on Investment in BioMarin

As of  October  7,  1998,  GBL's  principal  asset  was its 41.7%  ownership  of
BioMarin's  outstanding  capital  stock.  GBL's  success  is  dependent  on  the
successful  operations  of BioMarin  including,  but not limited to,  BioMarin's
ability to receive FDA  approval of existing and future  pharmaceutical  product
candidates,  BioMarin's  ability to retain key personnel,  BioMarin's ability to
market products  effectively and  successfully  and BioMarin's  ability to raise
additional cash to fund future operations.

History of Operating Losses - Uncertainty of Future Profitability

The  Company's  share of  BioMarin's  net loss plus  Glyko,  Inc.'s  current net
operating loss resulted in the Company  reporting a net loss for the nine months
ended September 30, 1998 of $2,494,000.  GBL expects to continue to incur losses
during  1998 due to its share of  BioMarin's  net loss resulting from BioMarin's
ongoing  research and  development of  pharmaceutical  product  candidates.  The
BioMarin  losses do not have an impact on cash  balances of GBL.  The Company is
not obligated to make future investments in BioMarin.  As a result of GBL's sale
of Glyko, Inc., as of October 7, 1998, GBL has limited operating  activities and
its principal asset is its investment in BioMarin. Accordingly,  without further
investments in other companies or technologies, management believes that GBL has
sufficient cash to sustain planned  operations for the foreseeable  future as it
no longer owns the analytic and diagnostic  operations of Glyko,  Inc.  BioMarin
will require additional capital,  however,  GBL is not obligated to provide this
capital.  Management of GBL believes that, due to the current financial position
and stage of development  of BioMarin,  no reserve is required for any potential
impairment of its investment in BioMarin.

Year 2000-Related Problems

Following the sale of Glyko, Inc., GBL is again conducting a review of potential
year-2000  compliance  issues.  Since GBL no longer offers products and services
for sale,  GBL is  focusing  its  inquiry on the  impact of these  issues on its
internal administrative activities and on its professional service providers and
other  third  parties.  GBL does not  currently  anticipate  that it will  incur
material  expenditures in connection with any products or services it previously
offered.  GBL may incur some expense in connection with this review,  thought it
does not currently anticipate that these expenses will be material.






                                       11


<PAGE>





                           PART II. OTHER INFORMATION

Item 1.           Legal Proceedings.

                  In July  1998,  the claim by  Millipore  Corp.  relating  to a
                  facilities   dispute  and  other  matters  was  settled.   For
                  additional  disclosure  regarding this dispute with Millipore,
                  see Part II, Item 1 of Form 10-QSB for the quarter ended March
                  31, 1998.

Item 2.           Changes in Securities.                                 None.

Item 3.           Defaults upon Senior Securities.                       None.

Item 4.           Submission of Matters to a Vote of Security Holders    None.

Item 5.           Other Information.

                  On October 7, 1998, GBL sold 100% of the  outstanding  capital
                  stock of Glyko,  Inc. to BioMarin.  As consideration  for such
                  sale,  BioMarin  issued  2,259,039  shares of common  stock of
                  BioMarin  to GBL,  agreed to assume  options to purchase up to
                  585,969  shares of the GBL's common stock (which  options were
                  previously  issued to employees  of Glyko,  Inc.) and paid GBL
                  $500 in cash. The shares of BioMarin  common stock were valued
                  at $6.00 per share, yielding a total value of $13,554,234, and
                  the options  assumed  were  valued at  $945,765,  which,  when
                  combined  with the $500 in cash,  yields a total value for the
                  consideration received of $14,500,499.

                  BioMarin is a privately held biopharmaceutical company focused
                  on  carbohydrate  enzyme  therapeutics  and is incorporated in
                  Delaware.  Prior to the closing of this sale,  as of September
                  30, 1998, the Company owned  approximately 36.2% of BioMarin's
                  outstanding capital stock. Following the closing of this sale,
                  as of October 7, 1998, the Company owned  approximately  41.7%
                  of the outstanding capital stock of BioMarin.  Dr. John Klock,
                  the  President  and a  director  of the  Company,  is also the
                  President and a director of BioMarin.  In June 1997, Dr. Klock
                  was sold 800,000 shares of the  BioMarin's  common stock for a
                  purchase price of $800,000,  paid for with a note,  secured by
                  the  underlying  stock,  due  on  July  31,  2000.  Mr.  Gwynn
                  Williams,  who is a director  of the  Company and also a major
                  stockholder  of GBL,  is also a director of  BioMarin,  and in
                  such  capacity  was  previously  granted an option to purchase
                  20,000 shares of BioMarin's  common stock at an exercise price
                  of $1.00 per share. Mr. Raymond W. Anderson, a director of the
                  Company,  is also an officer of BioMarin and on June 22, 1998,
                  was granted an option to purchase 200,000 shares of BioMarin's
                  common stock at an exercise price of $4.00 per share.

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

                  (a)   The following documents are filed as part of this report

                          See Exhibit Index attached hereto.

                  (b)  Reports on Form 8K

                          No  reports  were  filed on Form 8-K  during the three
                          months ended September 30, 1998.




                                       12


<PAGE>



                                    SIGNATURE

         In accordance with the requirements of the Exchange Act, the registrant
caused this Report to be signed on its behalf by the undersigned, thereunto duly
authorized.
                                            GLYKO BIOMEDICAL, LTD.

Dated: November 13, 1998                    By:  \s\ John C. Klock, M.D.
- ---------------------------------------    -------------------------------------
                                            John C. Klock, M.D.
                                            President, Chief Executive Officer
                                            and Chief Financial Officer












































                                       13


<PAGE>



                                  EXHIBIT INDEX


           Exhibit  Description
           Number
            2.1     Share Exchange Agreement between Glyko Biomedical, Ltd.  and
                    BioMarin Pharmaceutical Inc. dated September 15, 1998
            3.1     Registrant's  Articles of Incorporation and Bylaws (filed as
                    exhibit 3.1 to Form 10-SB Registration Statement No. 0-21994
                    dated August 6, 1993 and incorporated herein by reference).
            3.2     Restated Certificate of Incorporation of BioMarin
                    Pharmaceutical, Inc. (filed as exhibit 3.1 to Form 10-QSB
                    dated September 30, 1997, and incorporated herein by
                    reference).
            3.3     Bylaws of BioMarin  Pharmaceutical,  inc.  (filed as exhibit
                    3.2  to  Form  10-QSB  dated   September   30,   1997,   and
                    incorporated herein by reference).
            4.1     Registrant's  Articles of Incorporation and Bylaws (filed as
                    exhibit 3.1 to Form 10-SB Registration Statement No. 0-21994
                    dated August 6, 1993 and incorporated  herein by reference).
                    Restated    Certificate   of   Incorporation   of   BioMarin
                    Pharmaceutical,  Inc.  (filed as exhibit  3.1 to Form 10-QSB
                    dated  September  30,  1997,  and  incorporated   herein  by
                    reference).
           10.1     Registrant's  Stock  Option Plan  (filed as exhibit  10.1 to
                    Form 10-SB  Registration  Statement No. 0-21994 dated August
                    6, 1993 and incorporated herein by reference).
           10.2     Joint  Venture  Agreement  between:  Registrant;   Millipore
                    Corporation;   Glycomed   Incorporated;   Gwynn  R.Williams;
                    Astroscan,  Ltd.; and Astromed, Ltd. dated December 18, 1990
                    (filed as exhibit 10.2 to Form 10-SB Registration  Statement
                    No. 0-21994 dated August 6, 1993 and incorporated  herein by
                    reference).
           10.3     Distribution  Agreement  between  Registrant  and  Millipore
                    Corporation  dated  December 18, 1990 (filed as exhibit 10.3
                    to Form  10-SB  Registration  Statement  No.  0-21994  dated
                    August 6, 1993 and incorporated herein by reference).
           10.4     License Agreement between Registrant, and Astroscan, Ltd.
                    and Astromed, Ltd. (filed as exhibit 10.4 to Form 10-SB
                    Registration Statement No. 0-21994  dated  August 6, 1993
                    and incorporated herein by reference).
           10.5     License   Agreement   between    Registrant   and   Glycomed
                    Incorporated   (filed  as   exhibit   10.5  to  Form   10-SB
                    Registration Statement No. 0-21994 dated August 6, 1993 and
                    incorporated herein by reference).
           10.6     Loan Agreement between Registrant, and Millipore Corporation
                    and Gwynn R. Williams,  dated April 9, 1992(filed as exhibit
                    10.6 to Form 10-SB Registration  Statement No. 0-21994 dated
                    August 6, 1993 and incorporated herein by reference).
           10.7     Employment  Agreement between  Registrant and John C. Klock,
                    M.D., dated December 20,  1990(filed as exhibit 10.7 to Form
                    10-SB  Registration  Statement  No.  0-21994 dated August 6,
                    1993 and incorporated herein by reference).
           10.8     Exchange  Agreements between  Registrant,  and the share and
                    option  holders of Glyko,  Inc.,  dated  December  10,  1992
                    (filed as exhibit 10.8 to Form 10-SB Registration  Statement
                    No. 0-21994 dated August 6, 1993 and incorporated  herein by
                    reference).
           10.9     Amendment  Number Two to Exclusive  Distribution  and Supply
                    Agreement between Registrant and Millipore Corporation dated
                    September  22,  1993  (filed as exhibit  10.4 to Form 10-KSB
                    Statement dated December 31, 1993 and incorporated herein by
                    reference).
          10.10     Amendment Number Two to Joint Venture Agreement between:
                    Registrant; Millipore Corporation; Glycomed Incorporated;
                    Gwynn R. Williams; Astroscan, Ltd.; and Astromed, Ltd. dated
                    April 28, 1994 (filed as exhibit 10.1 to Form 10-QSB dated
                    March 31, 1994 and incorporated herein by reference).
          10.11     Employment  Agreement between  Registrant and John C. Klock,
                    M.D.,  dated  January 1, 1994 (filed as exhibit 10.2 to Form
                    10-QSB  dated  March  31,  1994 and  incorporated  herein by
                    reference).
          10.12     Glyko  Biomedical Share Option Plan - 1994 (filed as exhibit
                    10.1 to Form  10-QSB  dated June 30,  1994 and  incorporated
                    herein by reference).
          10.13     Development  and Supply  Agreement  between  Registrant  and
                    Bio-Rad  Laboratories,  Inc., dated February 16, 1995 (filed
                    as exhibit  10.1 to Form  10-KSB  dated  March 31,  1996 and
                    incorporated herein by reference).
          10.14     International  Distribution Agreement between Registrant and
                    Toyobo Co.,  Ltd. and MC Medical.  Inc.dated  September  12,
                    1995 (filed as exhibit  10.2 to Form 10-KSB  dated March 31,
                    1996 and incorporated herein by reference).
          10.15     Commercial  Lease  between  Registrant  and  Douglas R. Kaye
                    dated  December  23,  1996  (filed as  exhibit  10.1 to Form
                    10-KSB/A date December 31, 1996 and  incorporated  herein by
                    reference.)

<PAGE>




         Exhibit
         Number     Description

          10.16     Toyobo  Distribution  Agreement  (confidential  portions  of
                    exhibit  have  been  omitted   pursuant  to  a  request  for
                    confidential   treatment  and  filed   separately  with  the
                    Commission).  Filed as  exhibit  10.1 to Form  10-QSB  dated
                    March 31, 1997, and incorporated herein by reference.
          10.17     First  Amendment  to Bio-Rad  Laboratories,  Inc.  Agreement
                    (confidential portions of exhibit have been omitted pursuant
                    to a request for confidential treatment and filed separately
                    with the  Commission).  Filed as exhibit 10.1 to Form 10-QSB
                    dated June 30, 1997, and incorporated herein by reference.
          10.18     Array   Medical    License   and    Development    Agreement
                    (confidential portions of exhibit have been omitted pursuant
                    to a request for confidential treatment and filed separately
                    with the  Commission).  Filed as exhibit 10.2 to Form 10-QSB
                    dated June 30, 1997, and incorporated herein by reference.
          10.19     License Agreement between Glyko Biomedical Ltd. and BioMarin
                    Pharmaceutical, Inc. (filed as exhibit 10 to Form 10-QSB
                    dated September 30, 1997, and incorporated herein by
                    reference.)
           22.1     Notice  of  Annual  Meeting  of  Shareholders,  1997  Annual
                    Information  Circular,  Form of Proxy  and  Policy  41 Form.
                    Filed as  Definitive  14A  documents  on May 18,  1998,  and
                    incorporated herein by reference.
           27.1     Financial Data Schedule (see Financial Data Schedule hereto
                    attached at page 16)


<TABLE> <S> <C>


<ARTICLE>                     5

<CIK>                         0000908401
<NAME>                        Glyko Biomedical, Ltd.
<MULTIPLIER>                                   1
<CURRENCY>                                     U.S. Dollars
       
<S>                             <C>            <C>
<PERIOD-TYPE>                   3-MOS          9-MOS
<FISCAL-YEAR-END>               DEC-31-1998    DEC-31-1998
<PERIOD-START>                  JUL-01-1998    JAN-01-1998
<PERIOD-END>                    SEP-30-1998    SEP-30-1998
<EXCHANGE-RATE>                 1              1
<CASH>                          1,236,288      1,236,288
<SECURITIES>                    0              0
<RECEIVABLES>                   186,340        186,340
<ALLOWANCES>                    0              0
<INVENTORY>                     76,595         76,595
<CURRENT-ASSETS>                1,637,090      1,637,090
<PP&E>                          452,264        452,264
<DEPRECIATION>                  (358,896)      (358,896)
<TOTAL-ASSETS>                  9,209,553      9,209,553
<CURRENT-LIABILITIES>           408,022        408,022
<BONDS>                         0              0
           0              0
                     0              0
<COMMON>                        15,591,042     15,591,042
<OTHER-SE>                      (6,789,511)    (6,789,511)
<TOTAL-LIABILITY-AND-EQUITY>    9,209,553      9,209,553
<SALES>                         302,435        843,587
<TOTAL-REVENUES>                386,333        1,131,830
<CGS>                           95,665         275,555
<TOTAL-COSTS>                   95,665         275,555
<OTHER-EXPENSES>                432,221        972,156
<LOSS-PROVISION>                0              0
<INTEREST-EXPENSE>              0              0
<INCOME-PRETAX>                 (1,195,626)    (2,494,383)
<INCOME-TAX>                    0              0
<INCOME-CONTINUING>             (1,195,626)    (2,494,383)
<DISCONTINUED>                  0              0
<EXTRAORDINARY>                 0              0
<CHANGES>                       0              0
<NET-INCOME>                    (1,195,626)    (2,494,383)
<EPS-PRIMARY>                   (0.05)         (0.11)
<EPS-DILUTED>                   (0.05)         (0.11)
        

</TABLE>






THIS SHARE EXCHANGE AGREEMENT made as of the 15th day of September, 1998.

B E T W E E N:


                             GLYKO BIOMEDICAL LTD.,
              a corporation incorporated under the laws of Canada,

                        (hereinafter called the "Vendor")

                               OF THE FIRST PART;

                                     - and -


                          BIOMARIN PHARMACEUTICAL INC.,
       a corporation incorporated under the laws of the State of Delaware,

                      (hereinafter called the "Purchaser")

                               OF THE SECOND PART.



WHEREAS  the  Vendor  is  the  sole  stockholder  of  Glyko,  Inc.,  a  Delaware
corporation,  and  desires  to sell and to cause to be sold,  and the  Purchaser
desires to purchase from the Vendor all of the issued and outstanding  shares of
capital stock of Glyko,  Inc.,  upon the terms and  conditions set forth in this
Agreement;  

NOW THEREFORE THIS AGREEMENT WITNESSETH in consideration of the mutual covenants
and  agreements  herein  contained,  and other good and valuable  consideration,
Vendor and Purchaser represent, warrant, covenant and agree as follows:

                               1. INTERPRETATION

1.1 Defined Terms.  Where used herein or in any amendments hereto, the following
terms shall have the following meanings:

"Agreement" means this Share Exchange  Agreement,  all Schedules attached hereto
and all amendments made hereto or thereto by written agreement signed by each of
Vendor and Purchaser;

"BioMarin Shares" means 2,259,039 shares ofPurchaser's Common Stock to be issued
in the name of Vendor as  partial  payment of the  Purchase  Price  pursuant  to
Section 2.2 hereof;

"Business  Day" means any day,  which is not a  Saturday,  Sunday or a statutory
holiday in the Province of Ontario or the State of California;

<PAGE>
"Closing" means the consummation of the Transaction as herein contemplated;

"Closing  Date"  means  October 7, 1998,  or such other date as may be  mutually
agreed upon by the parties hereto in writing for the closing of the transactions
contemplated by this Agreement;

"Effective Date" means September 15, 1998;

"Employee  Options"  means the options to purchase a total of 585,969  shares of
Common Stock of the Vendor which are held by certain  employees of Glyko,  Inc.,
which  options  shall be assumed by  Purchaser  and  converted  into  options to
purchase  255,540  shares of Common Stock of Purchaser as enumerated in Schedule
"A" attached hereto;

"Encumbrances" means any and all claims, liens,  security interests,  mortgages,
pledges,  pre-emptive rights, charges, options, equity interests,  encumbrances,
proxies,  voting  agreements,  voting trusts or other interests of any nature or
kind whatsoever, howsoever created;

"Glyko  Shares" means 3,882 shares of Common Stock and 2,000 shares of Preferred
Stock of Glyko,  Inc.,  representing  all of the issued and outstanding  capital
stock of Glyko, Inc. as of the Closing Date;

"Intellectual  Property" means all patents, patent applications and other patent
rights,  trade  secrets,  copyrights and other  proprietary  rights as listed on
Schedule "B" hereto;

"Person"  includes  an  individual,  partnership,  association,   unincorporated
organization,  trust,  corporation  and a natural person acting in such person's
individual  capacity  or  in  such  person's  capacity  as  trustee,   executor,
administrator, agent or other legal representative;

"Purchase Price" has the meaning attributed thereto in Section 2.2 hereof;

"Technology" means all know-how,  processes,  formulae,  concepts,  ideas, data,
technical and non-technical data and information, testing results, descriptions,
technologies,  procedures,  articles  of  manufacture,  compositions  of  matter
(including  pharmaceutical,   chemical,   biological,  genetic  and  biochemical
compositions),   designs,  inventions,   discoveries,  documents  and  works  of
authorship,  whether or not  patentable  or  patented,  now owned or licensed by
Glyko, Inc.;

"Time of Closing" means 10:00 a.m. (San Francisco time) on the Closing Date; and

"Transaction"  means the sale by the Vendor and the purchase by the Purchaser of
the Glyko Shares as contemplated herein.

1.2 Currency.  Unless otherwise expressly provided,  all dollar amounts referred
to in this Agreement are in U.S. funds.

1.3 Gender and Number.  Except  where the  context  otherwise  indicates,  words
importing the singular number only shall include the plural, and vice versa, and
words  importing  the  masculine  gender shall  include the feminine and neutral
genders, and vice versa.

                                       2
<PAGE>
1.4 Division and  Headings.  The division of this  Agreement  into  Articles and
sections and the insertion of headings are for the convenience of reference only
and shall not affect the construction or  interpretation of this Agreement . The
terms "this Agreement",  "hereof",  "hereunder",  "hereto", "herein" and similar
expressions refer to this Agreement and not to any particular  Article,  section
or other  portion of this  Agreement and include any  amendment  hereto.  Unless
something in the subject matter or context is inconsistent therewith, references
herein to Articles and sections are to Articles and sections of this Agreement.

1.5 To the knowledge of. The term "to the knowledge of" the appropriate party as
used herein means to the  knowledge of the current  officers of the  appropriate
party without any special inquiry or investigation whatsoever.


                            2. AGREEMENT TO EXCHANGE

2.1 Transfer. Subject to the terms and conditions hereof, on the Closing Date at
the Time of Closing,  the Vendor  shall  deliver to the  Purchaser  certificates
representing  the Glyko Shares together with such executed  documentation  as is
necessary  and  appropriate  to effect the  transfer of  ownership  of the Glyko
Shares from Vendor to Purchaser in exchange for good and valuable  consideration
enumerated in Section 2.2 below.

2.2 Payment of Purchase Price.  The purchase price for the Glyko Shares shall be
equal to the sum of $14,500,500 (the "Purchase Price"). The Purchase Price shall
be paid and  satisfied  by  Purchaser  as  follows:  (i) the  assumption  by the
Purchaser of responsibility for the Employee Options as discussed in Section 2.3
below and as set forth on Schedule A attached hereto,  having an aggregate value
as  enumerated  therein,  (ii)  the  delivery  to the  Vendor  of a  certificate
representing  the BioMarin  Shares  issued in the name of Vendor,  such BioMarin
Shares valued at $6.00 per share and (iii) a cash payment of $500.

2.3 Assumption of Stock Options. At the Effective Date, certain Employee Options
outstanding  under the Vendor's Share Option Plan - 1994 (the "Option Plan"), or
otherwise, shall be assumed by Purchaser as follows:

(i) At the  Effective  Date,  certain  Employee  Options  listed on  Schedule  A
attached  hereto,  whether vested or unvested,  shall be, in connection with the
Transaction,  assumed by Purchaser. Each Employee Option so assumed by Purchaser
under this  Agreement  shall continue to have, and be subject to, the same terms
and  conditions  set forth in the Option Plan,  except that:  (A) each  Employee
Option shall be  exercisable  for that number of whole shares of Common Stock of
Purchaser equal to the product of the number of shares of Common Stock of Vendor
that were issuable upon exercise of such Employee  Option  immediately  prior to
the  Effective  Date   multiplied  by  the  Conversion   Ratio,  as  defined  in
subparagraph  (ii) below,  rounded down to the nearest whole number of shares of
Common Stock of Purchaser and (B) the per share exercise price for the shares of
Common Stock of Purchaser issuable upon exercise of such assumed Employee Option
shall be equal to the quotient  determined  by dividing  the exercise  price per
share of Common Stock of Vendor at which such  Employee  Option was  exercisable
immediately prior to the Effective Date by the Conversion  Ratio,  rounded up to
the nearest whole cent; and

                                       3
<PAGE>
(ii) For the purposes of this Section 2.3, the  Conversion  Ratio shall be equal
to the  quotient of the fair market  value of a share of Common  Stock of Vendor
(converted to U.S. dollars),  $2.61659, divided by the current fair market value
of a share of Common  Stock of  Purchaser,  $6.00,  which  quotient  is equal to
 .436098.
         
It is the  intention  of the  parties  that  the  Employee  Options  assumed  by
Purchaser  qualify  following the Effective  Date as incentive  stock options as
defined in  Section 422  of the Code to the  extent  that the  Employee  Options
qualified as incentive stock options immediately prior to the Effective Date.

Promptly following the Effective Date, Purchaser will issue to each holder of an
outstanding  Employee Option a document  evidencing the foregoing  assumption of
such Employee Option by Purchaser.

Closing.  The Closing  shall occur at the Time of Closing on the Closing Date at
the offices of the Vendor,  or at such other place or other time and date as the
Purchaser and the Vendor may agree.

Any document or instrument to be delivered by either party hereto at the Closing
shall be tabled at the Closing at the place of closing  referred to above by the
party  which is to deliver  such  document  or  instrument  and any  document or
instrument so tabled by a party hereto shall:

(a) be deemed to have been  delivered  by such  party for the  purposes  of this
Agreement;

(b) be held in escrow by counsel  for such party to be dealt with in  accordance
with subparagraphs (c) and (d) below;

(c) be  delivered  to the party to which it is to be  delivered  pursuant to the
terms hereof,  if all documents or instruments  which are to be delivered at the
Closing are tabled in accordance with this section at the Closing; and

(d) be delivered to, or in accordance  with the  directions  of, the party which
tabled it, if subparagraph (c) does not apply.


                3. REPRESENTATIONS AND WARRANTIES OF THE VENDOR

     Except as set forth in the disclosure  schedule attached hereto as Schedule
"C", the Vendor hereby represents and warrants to the Purchaser as follows as of
the date hereof and acknowledges and confirms that the Purchaser is relying upon
such   representations  and  warranties  in  connection  with  the  transactions
contemplated hereby:

     (a) Attached hereto as Schedule "D" are Glyko,  Inc.'s  unaudited  balance
sheet as of June 30, 1998 and the  related  unaudited  statements  of income and
cash flow for the six (6) month  period ended June 30, 1998  (collectively,  the
"Financials"). The Financials are correct in all material respects and have been
prepared  in  accordance  with  United  States  generally  accepted   accounting
principles ("GAAP")  consistently  applied on a basis consistent  throughout the
periods  indicated and consistent with each other (except that the Financials do
not  contain  footnotes  and other  presentation  items that may be  required by

                                       4
<PAGE>
GAAP). The Financials present fairly the financial condition,  operating results
and cash flows of Glyko,  Inc. as of the dates and during the periods  indicated
therein,   subject  to  normal  year-end  adjustments,   which  normal  year-end
adjustments  have not been material in amount or  significance in any individual
case or in the aggregate in prior years.  Glyko,  Inc.'s unaudited balance sheet
as of June 30, 1998, is referred to hereinafter as the "Current Balance Sheet."

     (b) Glyko, Inc. has no liability, indebtedness, obligation, expense, claim,
deficiency,  guaranty or endorsement  of any type,  whether  accrued,  absolute,
contingent, matured, unmatured or other (whether or not required to be reflected
in financial  statements in accordance with GAAP),  which individually or in the
aggregate  (i)has not been reflected in the Current  Balance Sheet, or (ii) has
not arisen in the ordinary  course of business  consistent  with past  practices
since June 30, 1998, in either case which  amounts do not exceed  $50,000 in the
aggregate.

     (c) Since June 30, 1998, there has not been, occurred or arisen any:

     (i) transaction by Glyko, Inc. except in the ordinary course of business as
conducted on that date and consistent with past practices;

     (ii) amendments or changes to the Certificate of Incorporation or Bylaws of
Glyko, Inc.;

     (iii) capital  expenditure or commitment by Glyko,  Inc.  exceeding $25,000
individually or $50,000 in the aggregate;

     (iv)  destruction  of, damage to or loss of any material  assets,  material
business  or  material  customer  of Glyko,  Inc.  (whether  or not  covered  by
insurance);

     (v) claim of wrongful discharge or other unlawful labor practice or action;

     (vi) change in  accounting  methods or practices  (including  any change in
depreciation  or  amortization  policies  or rates) by Glyko,  Inc.  other  than
required by GAAP;

     (vii)  revaluation  by  Glyko,  Inc.  of any of its  assets  which,  in the
aggregate, changed such value by an amount exceeding $5,000, either individually
or in the aggregate;

     (viii)  declaration,  setting  aside  or  payment  of a  dividend  or other
distribution  (whether  in cash,  stock or  property)  in respect of any capital
stock of Glyko, Inc., or any split,  combination or  reclassification in respect
of any shares of capital stock of Glyko,  Inc., or any issuance or authorization
of any  issuance  of any  other  securities  in  respect  of,  in  lieu of or in
substitution  for  shares of  capital  stock of Glyko,  Inc.,  or any  direct or
indirect  repurchase,  redemption,  or other  acquisition by Glyko,  Inc. of any
shares of capital  stock of Glyko,  Inc. (or  options,  warrants or other rights
convertible into,  exercisable or exchangeable  therefor),  except in accordance
with the agreements evidencing option grants by Glyko, Inc.;

                                       5
<PAGE>
     (ix) except in the ordinary course of its business as conducted on June 30,
1998, increase in the salary or other compensation  payable or to become payable
by Glyko, Inc. to any of its officers, directors,  employees or advisors, or the
declaration, payment or commitment or obligation of any kind for the payment, by
Glyko,  Inc., of a bonus or other additional  salary or compensation to any such
person;

     (x) agreement, contract, covenant, instrument, lease, license or commitment
to which Glyko,  Inc. is a party or by which it or any of its assets  (including
but not limited to the Intellectual Property and intangible assets) are bound or
any  termination,   extension,  amendment  or  modification  the  terms  of  any
agreement, contract, covenant, instrument, lease, license or commitment to which
Glyko, Inc. is a party or by which it or any of its assets are bound;

     (xi) sale,  lease,  license  or other  disposition  of any of the  material
assets or properties of Glyko,  Inc. or any creation of any security interest in
such assets or properties;

     (xii) loan by Glyko, Inc. to any person or entity, incurring by Glyko, Inc.
of any indebtedness,  guaranteeing by Glyko, Inc. of any indebtedness,  issuance
or sale of any debt  securities  of  Glyko,  Inc.  or  guaranteeing  of any debt
securities  of others,  except for advances to employees for travel and business
expenses in the ordinary course of business consistent with past practices;

     (xiii)  waiver or release of any right or claim of Glyko,  Inc.,  including
any  write-off or other  compromise  of any account  receivable  of Glyko,  Inc.
which, in the aggregate, had a value of at least $5,000;

     (xiv) written notice received by Vendor or Glyko,  Inc. of the commencement
or threat of any lawsuit,  proceeding or other investigation against Glyko, Inc.
or its affairs,  or, to the  knowledge of Vendor,  the  commencement,  notice or
threat of any lawsuit or proceeding or other  investigation  against Glyko, Inc.
or its affairs;

     (xv)  written  notice  received  by Vendor or Glyko,  Inc.  of any claim or
potential  claim of  ownership  by any person  other  than  Glyko,  Inc.  of the
Intellectual  Property or of infringement  by Glyko,  Inc. of any other person's
intellectual  property  or, to the  knowledge  of Vendor,  notice of such in any
other form other than written documentation;

     (xvi) issuance or sale, or contract to issue or sell, by Glyko, Inc. of any
shares of capital  stock of Glyko,  Inc.  or  securities  convertible  into,  or
exercisable or exchangeable for, shares of capital stock of Glyko,  Inc., or any
securities, warrants, options or rights to purchase any of the foregoing;

     (xvii) (i) sale or license of any of the Intellectual  Property or entering
into of any agreement with respect to the Intellectual  Property with any person
or entity or with respect to the intellectual  property of any person or entity,

                                      6
<PAGE>
of any  agreement  with  respect to the  intellectual  property of any person or
entity, or (iii) change in pricing or royalties set or charged by Glyko, Inc. to
its  customers or licensees or in pricing or royalties set or charged by persons
who have licensed any of the Intellectual Property to Glyko, Inc.;
                                    
     (xviii)  any  event  or  condition  of any  character  that  has  had or is
reasonably likely to have a material adverse effect on Glyko, Inc.; or

     (xix)  agreement by Glyko,  Inc. or any officer or employees  thereof to do
any of the things described in the preceding clauses (i) through (xviii).

     (d) Neither the execution and delivery of this  Agreement by the Vendor nor
the consummation of the transactions  herein  contemplated will conflict with or
result in:

     (i) a violation,  contravention  or breach by the Vendor or Glyko,  Inc. of
any of the terms,  conditions  or  provisions  of any agreement or instrument to
which the  Vendor or Glyko,  Inc.  is a party,  or by which the Vendor or Glyko,
Inc. is bound or constitute a default by the Vendor or Glyko,  Inc.  thereunder,
or under any statute, regulation, judgment, decree or law by which the Vendor or
Glyko,  Inc. is subject or bound, or result in the creation or imposition of any
mortgage,  lien,  charge or encumbrance of any nature whatsoever upon any of the
Glyko Shares or any of the Intellectual Property; or

     (ii) a violation by the Vendor or Glyko,  Inc. of any law or  regulation or
any applicable order of any court,  arbitrator or governmental  authority having
jurisdiction  over the Vendor or Glyko,  Inc. , or require  the Vendor or Glyko,
Inc.,  prior to the Closing or as a  condition  precedent  thereof,  to make any
governmental or regulatory filings, obtain any consent, authorization, approval,
clearance  or other  action  by any  Person,  or  await  the  expiration  of any
applicable waiting period.

     (e) The Glyko Shares are duly and validly  created,  authorized  and issued
and are fully paid and non-assessable.

     (f) No  Person  has any  agreement  or  option  or any  right or  privilege
(whether  pre-emptive  or  contractual)  which is or is capable of  becoming  an
agreement or option for the purchase  from the Vendor of any of the Glyko Shares
or any of the Intellectual Property.

     (g) Glyko, Inc. is not a party to nor is it bound by:

     (i) any written employment or consulting agreement,  contract or commitment
with an employee or individual  consultant or salesperson or consulting or sales
agreement, contract or commitment with a firm or other organization, or employee
benefit plan, option plan or option agreement;

                                       7
<PAGE>
     (ii) any agreement or plan, including, without limitation, any stock option
plan, stock appreciation rights plan or stock purchase plan, any of the benefits
of which  will be  increased,  or the  vesting  of  benefits  of  which  will be
accelerated,  by the occurrence of any of the transactions  contemplated by this
Agreement or the value of any of the benefits of which will be calculated on the
basis  of any of the  transactions  contemplated  by  this  Agreement  (for  the
purposes of this Section  3(g)(ii),  such  agreement  or plan shall  include any
agreement  or plan of Vendor  being  assumed by  Purchaser  pursuant  to Section
2.2(i) hereof);

     (iii) any fidelity or surety bond or completion bond;

     (iv) any  lease of real or  personal  property  having a value in excess of
$25,000 individually or $50,000 in the aggregate;

     (v) any agreement,  contract or commitment containing any covenant limiting
the freedom of Glyko,  Inc. to engage in any line of business or to compete with
any person,

     (vi) any agreement, contract or commitment relating to capital expenditures
and involving  future  payments in excess of $25,000  individually or $50,000 in
the aggregate;

     (vii) any agreement,  contract or commitment relating to the disposition or
acquisition  of assets or any  interest in any business  enterprise  outside the
ordinary course of Glyko, Inc.'s business;

     (viii) any  mortgages,  indentures,  loans or credit  agreements,  security
agreements or other agreements or instruments relating to the borrowing of money
or extension of credit;

     (ix) any purchase order or contract for the purchase of materials involving
in excess of $25,000 individually or $50,000 in the aggregate;

     (x) any construction contracts in excess of $10,000 individually or $20,000
in the aggregate;

     (xi) any dealer, distribution, joint marketing or development agreement;

     (xii) any sales  representative,  original  equipment  manufacturer,  value
added remarketer,  reseller or independent  vendor or other agreement for use or
distribution of Glyko, Inc.'s products, technology or services; or

     (xiii) any other  agreement,  contract or commitment that involves  $25,000
individually  or $50,000 in the aggregate or more and is not cancelable  without
penalty within thirty (30) days.

     (h) Glyko,  Inc. is in compliance  with and has not  breached,  violated or
defaulted under, or received notice that it has breached,  violated or defaulted
under,  any of the terms or  conditions  of any  material  agreement,  contract,
covenant,  instrument,  lease,  license or commitment to which Glyko,  Inc. is a

                                       8
<PAGE>
party or by which it is bound  (collectively a "Contract"),  nor is Glyko,  Inc.
aware of any event that would  constitute  such a breach,  violation  or default
with the lapse of time, giving of notice or both. Each Contract is in full force
and effect and Glyko, Inc. is not subject to any default thereunder,  nor to the
knowledge of Glyko,  Inc. is any party obligated to Glyko,  Inc. pursuant to any
such  Contract  subject to any default  thereunder.  Following the Closing Date,
Glyko, Inc. will be permitted to exercise all of Glyko,  Inc.'s rights under the
Contracts without the payment of any additional  amounts or consideration  other
than ongoing fees,  royalties or payments which Glyko,  Inc. would  otherwise be
required  to pay  had  the  transactions  contemplated  by  this  Agreement  not
occurred.

     (i) The Vendor has all  necessary  power,  authority  and capacity to enter
into this Agreement and all other  agreements and  instruments to be executed by
it as contemplated by this Agreement and to carry out its obligations under this
Agreement and such other agreements and instruments.  The execution and delivery
of this Agreement and such other agreements and instruments and the consummation
of  the  transactions   contemplated   hereby  and  such  other  agreements  and
instruments  have been duly authorized by all necessary  corporate action on the
part of the Vendor.

     (j) This Agreement constitutes a valid and binding obligation of the Vendor
enforceable against the Vendor in accordance with its terms subject, however, to
limitations  with  respect  to  enforcement  imposed by law in  connection  with
bankruptcy, insolvency, reorganization or other laws affecting creditors' rights
generally and to the extent that equitable remedies such as specific performance
and  injunctions  are only  available in the  discretion of the court from which
they are sought.

     (k) The Vendor is the record and  beneficial  owner of the Glyko Shares and
has good and marketable  title thereto free and clear of any  Encumbrances.  The
Vendor has the  exclusive  right and full power to transfer  the Glyko Shares to
the Purchaser as herein contemplated free and clear of any Encumbrances.

     (l) Intellectual Property:

     (i)  Glyko,  Inc.  owns  all  right,  title  and  interest  in  and  to the
Intellectual  Property with good and marketable title thereto, free and clear of
all Encumbrances;

     (ii)  Glyko,  Inc.  is  entitled  to make use of or  otherwise  exploit the
Intellectual Property (including without limitation the right to derivatives and
improvements thereto) without payment of any royalty or other amounts;

     (iii) Glyko,  Inc. is under no obligation to obtain any approval or consent
for use of or other  exploitation  (including  without  limitation  enforcement,
assignment, license, sublicense or other transfer) of the Intellectual Property;

                                       9
<PAGE>
     (iv) no charge, complaint action, suit, proceeding, hearing, investigation,
claim or  demand  is  pending  or  threatened  which  challenges  the  legality,
validity,  enforceability,  use  or  ownership  by  Glyko,  Inc.  of  any of the
Intellectual Property;

     (v) the Intellectual  Property represents all intellectual  property rights
(including  without  limitation  patents,   patent   applications,   trademarks,
trademark applications,  service marks, service mark applications,  trade names,
copyrights, manufacturing process, trade secrets) which are reasonably necessary
or material to the conduct of Glyko, Inc.'s business as presently conducted;

     (vi)  neither the  Intellectual  Property , the  Technology  nor the use or
exploitation thereof would infringe any patent, copyright, trade secret or other
proprietary  right  owned or  controlled  by Vendor  and no basis for such claim
exists and  neither  Vendor nor Glyko,  Inc.  has  received  notice,  written or
otherwise, of such a claim of infringement by any third party;

     (vii) the Intellectual Property is not subject to any outstanding judgment,
order decree,  stipulation,  injunction or charge nor the subject  matter or any
charge,  complaint,  action,  suit,  proceeding of any Federal,  state, local or
foreign jurisdiction or before any arbitrator;

     (viii) Glyko,  Inc. has not given or otherwise  communicated  to any entity
any notice,  charge, claim or assertion of any present,  impending or threatened
infringement by such other entity of any of the Intellectual Property;

     (ix)  Glyko,  Inc.  has taken all steps  that are  reasonably  required  to
protect Glyko,  Inc.'s rights in  confidential  information and trade secrets of
Glyko,  Inc. or provided by any other entity to Glyko, Inc. Without limiting the
foregoing,  Glyko,  Inc. has, and enforces,  a policy  requiring  each employee,
consultant and contractor to execute  proprietary  information,  confidentiality
and assignment  agreements in Glyko,  Inc.'s standard forms, and all current and
former employees,  consultants and contractors of Glyko, Inc. have executed such
an  agreement.  A copy of such  agreement  has  been  provided  to  counsel  for
Purchaser; and

     (x) the Intellectual Property has not been licensed to or licensed from any
third party or the Vendor.

     (m) To the  knowledge of the Vendor,  there is not pending,  threatened  or
contemplated,  any suit,  action,  legal proceeding,  litigation or governmental
investigation  of any sort  relating  to  Glyko,  Inc.,  the Glyko  Shares,  the
Intellectual  Property or the  Transaction,  nor is there any  present  state of
facts or circumstances which can be reasonably anticipated to be a basis for any
such suit, action,  legal proceeding,  litigation or governmental  investigation
nor is there presently  outstanding  against Glyko, Inc., any judgment,  decree,
injunction,  rule or order of any court,  governmental  department,  commission,
agency, instrumentality,  or arbitrator, to which the Vendor or Glyko, Inc. is a
party or to which the  property  of the Vendor or Glyko,  Inc.  is subject  that
would result  individually or in the aggregate in any material adverse change in


                                       10
<PAGE>
the operation,  business, condition, income or future prospects of the Vendor or
Glyko, Inc.

     (n) No order ceasing or suspending  trading in securities of Glyko, Inc. or
prohibiting  the sale of  securities  by  Glyko,  Inc.  has been  issued  and no
proceedings for this purpose have been  instituted,  or are pending,  or, to the
knowledge of the Vendor, are contemplated or threatened.

     (o) Glyko,  Inc.  has not,  directly  or  indirectly,  declared or paid any
dividend  or  declared  or made any other  distribution  on any of its shares or
securities or, directly or indirectly, redeemed, purchased or otherwise acquired
any of its shares or securities or agreed to do any of the foregoing.

     (p) The Vendor has not entered into any  agreement  that would  entitle any
person to any valid  claim  against  the  Purchaser  for a broker's  commission,
finder's  fee, or any like payment in respect of the sale of the Glyko Shares or
the purchase of the BioMarin  Shares or any other matters  contemplated  by this
Agreement.

     (q) Glyko,  Inc. has not received any notices of violation with respect to,
any foreign,  federal,  state or local  statute,  law or  regulation,  including
without  limitation  environmental laws and regulations and, to the knowledge of
Vendor,  Glyko,  Inc.  has  complied  with and is not in violation of any of the
foregoing.

     (r) None of the foregoing representations and warranties knowingly contains
any untrue  statement of material fact or knowingly  omits to state any material
fact necessary to make any such  representation  or warranty not misleading to a
prospective  purchaser of the Glyko Shares  seeking full  information  as to the
Glyko Shares and the Intellectual Property.

     (s) Vendor has such  knowledge  and  experience  in financial  and business
matters that it is capable of evaluating the merits and risks of the purchase of
the BioMarin  Shares  pursuant to this  Agreement and of protecting the Vendor's
interests in  connection  herewith.  Vendor has the ability to bear the economic
risk of the investment, including complete loss of the investment.

     (t) Vendor is acquiring  the  BioMarin  Shares for  investment  for its own
account,  not as a nominee  or agent,  and not with a view to, or for  resale in
connection with, any distribution  thereof,  and Vendor has no present intention
of selling,  granting any participation in, or otherwise  distributing the same.
Vendor  understands  that the BioMarin Shares have not been registered under the
Securities Act of 1933, as amended (the  "Securities  Act") but have been issued
pursuant  to a  specific  exemption  from  the  registration  provisions  of the
Securities Act which depends upon,  among other things,  the bona fide nature of
the investment intent and the accuracy of Vendor's  representations as expressed
herein.

     (u)  Vendor  understands  that the  BioMarin  Shares are  characterized  as
"restricted  securities" under U.S. federal securities laws inasmuch as they are
being acquired from Purchaser in a transaction  not involving a public  offering
and that under such laws and applicable  regulations  the BioMarin Shares may be

                                       11
<PAGE>
resold without  registration  under the  Securities Act only in certain  limited
circumstances.  Vendor  acknowledges  that  the  BioMarin  Shares  must  be held
indefinitely  unless  subsequently  registered  under the  Securities  Act or an
exemption from such registration is available. Vendor is aware of the provisions
of Rule 144 promulgated under the Securities Act which permits limited resale of
shares purchased in a private  placement  subject to the satisfaction of certain
conditions.

     (v) Vendor understands that the BioMarin Shares may be subject to a lock-up
period of up to 180 days following the effective  date a Registration  Statement
filed  under the  Securities  Act,  pursuant  to  Section 7  of the  Amended and
Restated Registration Rights Agreement attached hereto as Schedule "E".

     (w)  Vendor  understands  that no public  market  now exists for the Common
Stock of Purchaser  or for any other  securities  issued by  Purchaser  and that
there is no  assurance  that a public  market  will ever exist for the  BioMarin
Shares.

     (x) Without in any way limiting the representations set forth above, Vendor
further  agrees  not to make  any  offer  or sale of all or any  portion  of the
BioMarin Shares within the United States or to a U.S. resident unless and until;

     (i) There is then in effect a Registration  Statement  under the Securities
Act  covering  such  proposed  offer or sale  and such  offer or sale is made in
accordance with such Registration Statement; or

     (ii) Vendor shall have notified Purchaser of the proposed offer or sale and
shall have furnished  Purchaser with a detailed  statement of the  circumstances
surrounding  the  proposed  disposition,  and  if  reasonably  requested  by the
Purchaser,  Vendor shall have  furnished  Purchaser  with an opinion of counsel,
reasonably satisfactory to Purchaser, that such offer or sale is exempt from the
registration requirements under the Securities Act.

     (y) The certificate  representing the BioMarin  Shares,  and any securities
issued in respect thereof or exchange therefor shall bear legends  substantially
in the  following  forms (in addition to any legend  required  under  applicable
state securities laws):

"THE SECURITIES  REPRESENTED BY THIS  CERTIFICATE HAVE NOT BEEN REGISTERED UNDER
THE  SECURITIES  ACT OF 1933, AS AMENDED,  AND HAVE BEEN ACQUIRED FOR INVESTMENT
AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR DISTRIBUTION THEREOF.
SUCH  SECURITIES  MAY  NOT BE  SOLD  OR  TRANSFERRED  IN  THE  ABSENCE  OF  SUCH
REGISTRATION  UNLESS THE CORPORATION  RECEIVES AN OPINION OF COUNSEL  REASONABLY
ACCEPTABLE  TO IT  STATING  THAT  SUCH  SALE OR  TRANSFER  IS  EXEMPT  FROM  THE
REGISTRATION  AND PROSPECTUS  DELIVERY  REQUIREMENTS  OF SAID ACT. COPIES OF THE
AGREEMENTS  COVERING  THE PURCHASE OF THESE  SECURITIES  AND  RESTRICTING  THEIR
TRANSFER  MAY BE  OBTAINED AT NO COST BY WRITTEN  REQUEST  MADE BY THE HOLDER OF
RECORD OF THIS  CERTIFICATE TO THE SECRETARY OF THE CORPORATION AT THE PRINCIPAL



                                       12
<PAGE>
EXECUTIVE  OFFICES  OF THE  CORPORATION.  THE  SECURITIES  REPRESENTED  BY  THIS
CERTIFICATE  ARE SUBJECT TO A LOCKUP PERIOD OF 180 DAYS  FOLLOWING THE EFFECTIVE
DATE OF A  REGISTRATION  STATEMENT OF THE COMPANY FILED UNDER THE SECURITIES ACT
OF 1933,  AS AMENDED,  AS SET FORTH IN AN  AGREEMENT  BETWEEN THE ISSUER AND THE
ORIGINAL  HOLDER OF THESE  SECURITIES,  A COPY OF WHICH MAY BE  OBTAINED  AT THE
PRINCIPAL  OFFICE  OF  THE  CORPORATION.   SUCH  LOCKUP  PERIOD  IS  BINDING  ON
TRANSFEREES OF THESE SECURITIES."

     (z) Vendor  presently  does and will as of the Closing  Date  qualify as an
"accredited  investor" within the meaning of Rule 501(a)  promulgated  under the
Securities  Act and meets the relevant  criteria  indicated on its completed and
signed copy of the Accredited Investor Questionnaire attached hereto as Schedule
"F".

     (aa)  Immediately  following the Closing,  Vendor will not own any material
asset other than 10,917,091  shares of Common Stock of Purchaser.  For avoidance
of any doubt,  immediately  following the Closing Vendor will not own any right,
title or other interest in or to any  intellectual  property  rights  (including
without limitation domestic and foreign patents, patent applications, trademarks
(other than "Glyko BioMedical  Limited"),  trade mark applications,  trade names
(other than "Glyko BioMedical Limited"), copyrights or trade secrets).

     (bb) All  inter-company  debt and equity accounts between Vendor and Glyko,
Inc., have been settled on or before the Closing Date.

               4. REPRESENTATIONS AND WARRANTIES OF THE PURCHASER

     Except as set forth in the disclosure  schedule attached hereto as Schedule
G, the Purchaser  hereby  represents and warrants to the Vendor as follows as of
the date hereof and  acknowledges  and confirms  that the Vendor is relying upon
such   representations  and  warranties  in  connection  with  the  transactions
contemplated hereby:

     (a) Attached  hereto as Schedule  "H" are  Purchaser's  unaudited  balance
sheet as of June 30, 1998 and the  related  unaudited  statements  of income and
cash flow for the six (6) month  period ended June 30, 1998  (collectively,  the
"Financials"). The Financials are correct in all material respects and have been
prepared  in  accordance  with  United  States  generally  accepted   accounting
principles ("GAAP")  consistently  applied on a basis consistent  throughout the
periods  indicated and consistent with each other (except that the Financials do
not  contain  footnotes  and other  presentation  items that may be  required by
GAAP). The Financials present fairly the financial condition,  operating results
and cash flows of  Purchaser  as of the dates and during the  periods  indicated
therein,   subject  to  normal  year-end  adjustments,   which  normal  year-end
adjustments  have not been material in amount or  significance in any individual
case or in the aggregate in prior years.  Purchaser's unaudited balance sheet as
of June 30, 1998, is referred to hereinafter as the "Current Balance Sheet."

                                       13
<PAGE>
     (b) Glyko, Inc. has no liability, indebtedness, obligation, expense, claim,
deficiency,  guaranty or endorsement  of any type,  whether  accrued,  absolute,
contingent, matured, unmatured or other (whether or not required to be reflected
in financial  statements in accordance with GAAP),  which individually or in the
aggregate  (i) has not been reflected in the Current  Balance Sheet, or (ii) has
not arisen in the ordinary  course of business  consistent  with past  practices
since June 30, 1998, in either case which  amounts do not exceed  $50,000 in the
aggregate.

     (c) Since June 30, 1998, there has not been, occurred or arisen any:

     (i)  transaction by Purchaser  except in the ordinary course of business as
conducted on that date and consistent with past practices;

     (ii) amendments or changes to the Certificate of Incorporation or Bylaws of
Purchaser;

     (iii) capital  expenditure  or commitment  by Purchaser  exceeding  $25,000
individually or $50,000 in the aggregate;

     (iv)  destruction  of, damage to or loss of any material  assets,  material
business  or  material  customer  of  Purchaser   (whether  or  not  covered  by
insurance);

     (v) claim of wrongful discharge or other unlawful labor practice or action;
    
     (vi) change in  accounting  methods or practices  (including  any change in
depreciation or amortization policies or rates) by Purchaser other than required
by GAAP;

     (vii)  revaluation  by  Purchaser  of  any  of  its  assets  which,  in the
aggregate, changed such value by at least $5,000;

     (viii)  declaration,  setting  aside  or  payment  of a  dividend  or other
distribution  (whether  in cash,  stock or  property)  in respect of any capital
stock of Purchaser, or any split,  combination or reclassification in respect of
any shares of capital stock of Purchaser,  or any issuance or  authorization  of
any  issuance  of  any  other  securities  in  respect  of,  in  lieu  of  or in
substitution for shares of capital stock of Purchaser, or any direct or indirect
repurchase,  redemption,  or other  acquisition  by  Purchaser  of any shares of
capital  stock of Purchaser  (or options,  warrants or other rights  convertible
into,  exercisable  or  exchangeable  therefor),  except in accordance  with the
agreements evidencing option grants by Purchaser;

     (ix) except in the ordinary course of its business as conducted on June 30,
1998, increase in the salary or other compensation  payable or to become payable
by Purchaser to any of its officers,  directors,  employees or advisors,  or the
declaration, payment or commitment or obligation of any kind for the payment, by
Purchaser,  of a bonus or other  additional  salary or  compensation to any such
person;

                                       14
<PAGE>
     (x) agreement, contract, covenant, instrument, lease, license or commitment
to which Purchaser is a party or by which it or any of its assets (including but
not limited to the intellectual property of Purchaser and intangible assets) are
bound or any termination,  extension, amendment or modification the terms of any
agreement, contract, covenant, instrument, lease, license or commitment to which
Purchaser is a party or by which it or any of its assets are bound;

     (xi) sale,  lease,  license  or other  disposition  of any of the  material
assets or  properties  of Purchaser or any creation of any security  interest in
such assets or properties;

     (xii) loan by Purchaser to any person or entity,  incurring by Purchaser of
any  indebtedness,  guaranteeing by Purchaser of any  indebtedness,  issuance or
sale of any debt  securities of Purchaser or guaranteeing of any debt securities
of others,  except for advances to employees for travel and business expenses in
the ordinary course of business consistent with past practices;

     (xiii) waiver or release of any right or claim of Purchaser,  including any
write-off or other  compromise of any account  receivable of Purchaser which, in
the aggregate, had a value of a least $5,000;

     (xiv)  written  notice  of the  commencement  or  threat  of  any  lawsuit,
proceeding or other investigation  against Purchaser or its affairs,  or, to the
knowledge of  Purchaser,  the  commencement,  notice or threat of any lawsuit or
proceeding or other investigation against Purchaser or its affairs;

     (xv)  written  notice of any claim or  potential  claim of ownership by any
person  other than  Purchaser  of the  intellectual  property of Purchaser or of
infringement by Purchaser of any other person's intellectual property or, to the
knowledge  of  Purchaser,  notice of such in any other form  other than  written
documentation;

     (xvi)  issuance or sale,  or contract to issue or sell, by Purchaser of any
shares  of  capital  stock of  Purchaser  or  securities  convertible  into,  or
exercisable or exchangeable  for,  shares of capital stock of Purchaser,  or any
securities, warrants, options or rights to purchase any of the foregoing;

     (xvii)(i) sale or license of any of the intellectual  property of Purchaser
or entering into of any agreement with respect to the  intellectual  property of
Purchaser with any person or entity or with respect to the intellectual property
of any person or entity,  or (ii) purchase or license of any of the intellectual
property of  Purchaser  or entering  into of any  agreement  with respect to the
intellectual  property  of any person or entity,  or (iii)  change in pricing or
royalties  set or charged by  Purchaser  to its  customers  or  licensees  or in
pricing or  royalties  set or charged by persons  who have  licensed  any of the
intellectual property of Purchaser to Purchaser;

                                       15
<PAGE>

     (xviii)  any  event  or  condition  of any  character  that  has  had or is
reasonably likely to have a material adverse effect on Purchaser; or

     (xix) agreement by Purchaser or any officer or employees  thereof to do any
of the things described in the preceding clauses (i) through (xviii).

     (d)Purchaser is not a party to nor is it bound by:

     (i) any written employment or consulting agreement,  contract or commitment
with an employee or individual  consultant or salesperson or consulting or sales
agreement, contract or commitment with a firm or other organization, or employee
benefit plan, option plan or option agreement;

     (ii) any agreement or plan, including, without limitation, any stock option
plan, stock appreciation rights plan or stock purchase plan, any of the benefits
of which  will be  increased,  or the  vesting  of  benefits  of  which  will be
accelerated,  by the occurrence of any of the transactions  contemplated by this
Agreement or the value of any of the benefits of which will be calculated on the
basis of any of the transactions contemplated by this Agreement;

     (iii) any fidelity or surety bond or completion bond;

     (iv) any  lease of real or  personal  property  having a value in excess of
$25,000 individually or $50,000 in the aggregate;

     (v) any agreement,  contract or commitment containing any covenant limiting
the freedom of  Purchaser  to engage in any line of business or to compete  with
any person,

     (vi) any agreement, contract or commitment relating to capital expenditures
and involving  future  payments in excess of $25,000  individually or $50,000 in
the aggregate;

     (vii) any agreement,  contract or commitment relating to the disposition or
acquisition  of assets or any  interest in any business  enterprise  outside the
ordinary course of Purchaser's business;

          (viii) any mortgages, indentures, loans or credit agreements, security
     agreements or other agreements or instruments  relating to the borrowing of
     money or extension of credit;

          (ix) any  purchase  order or contract  for the  purchase of  materials
     involving in excess of $25,000 individually or $50,000 in the aggregate;

          (x) any  construction  contracts in excess of $10,000  individually or
     $20,000 in the aggregate;

                                       16
<PAGE>
          (xi)  any  dealer,   distribution,   joint  marketing  or  development
     agreement;

          (xii) any sales representative, original equipment manufacturer, value
     added remarketer, reseller or independent vendor or other agreement for use
     or distribution of Purchaser's products, technology or services; or

          (xiii) any other  agreement,  contract  or  commitment  that  involves
     $25,000  individually  or  $50,000  in the  aggregate  or  more  and is not
     cancelable without penalty within thirty (30) days.

          (e) Purchaser is in compliance with and has not breached,  violated or
     defaulted  under,  or  received  notice that it has  breached,  violated or
     defaulted under, any of the terms or conditions of any material  agreement,
     contract,  covenant,  instrument,  lease,  license or  commitment  to which
     Purchaser  is a party or by which it is bound  (collectively  a  "Purchaser
     Contract"),  nor is Purchaser aware of any event that would constitute such
     a breach,  violation or default with the lapse of time, giving of notice or
     both. Each Purchaser  Contract is in full force and effect and Purchaser is
     not subject to any default thereunder, nor to the knowledge of Purchaser is
     any party  obligated to Purchaser  pursuant to any such Purchaser  Contract
     subject to any default  thereunder.  Following the Closing Date,  Purchaser
     will be permitted to exercise all of Purchaser's rights under the Purchaser
     Contracts  without the payment of any additional  amounts or  consideration
     other than  ongoing  fees,  royalties  or payments  which  Purchaser  would
     otherwise  be required  to pay had the  transactions  contemplated  by this
     Agreement not occurred.

          (f) The execution and delivery of this Agreement and the  consummation
     of the  transactions  contemplated  hereby have been duly authorized by all
     necessary  corporate  action on behalf of the Purchaser and this  Agreement
     has been duly  executed and  delivered by the  Purchaser and is a valid and
     binding obligation of the Purchaser.

          (g) At the  Time of  Closing  the  BioMarin  Shares  will be duly  and
     validly  created,  authorized  and issued as fully paid and  non-assessable
     shares,  and the shares of Common Stock of Purchaser issuable upon exercise
     of the options set forth on Schedule A shall,  upon  exercise in accordance
     with their terms,  be duly and validly  created,  authorized  and issued as
     fully paid and non-assessable shares.

          (h) Neither  the  execution  and  delivery  of this  Agreement  by the
     Purchaser nor the consummation of the transactions contemplated hereby will
     conflict with or result in or create a state of facts which after notice or
     lapse of time or delay or both, will conflict with or result in:

          (i) a violation,  contravention  or breach by the  Purchaser of any of
     the  terms,  conditions  or  provisions  of  the  Restated  Certificate  of
     Incorporation,  Bylaws or  resolutions of the Purchaser or of any agreement
     or  instrument to which the Purchaser is a party or by which it is bound or
     constitute  a  default  of the  Purchaser  thereunder,  or of any  statute,
     regulation, judgment, decree or law by which the Purchaser or the assets of
     the Purchaser are subject or bound, or result in the creation or imposition
     of any Encumbrance upon any of the BioMarin Shares; or

                                       17
<PAGE>
          (ii) a violation  by the  Purchaser  of any law or  regulation  or any
     applicable order of any court,  arbitrator or governmental authority having
     jurisdiction  over the Purchaser,  or require the  Purchaser,  prior to the
     Closing or as a condition  precedent  thereof,  to make any governmental or
     regulatory filings, obtain any consent, authorization,  approval, clearance
     or other  action by any Person or await the  expiration  of any  applicable
     waiting period.

          (i) The  authorized  capital  stock of the  Purchaser  consists of 30,
     000,000  shares  of  Common  Stock.   Immediately  prior  to  the  Closing,
     23,916,483 shares of Common Stock are issued and outstanding,  all of which
     have  been  duly  authorized  and  validly  issued,   are  fully  paid  and
     nonassessable.  Warrants to  purchase  801,500  shares of Common  Stock are
     currently  outstanding.  Immediately  prior to the  Closing,  the  Board of
     Directors  has  approved  the  grant  of  options  to  purchase  a total of
     2,304,120  shares of Common  Stock to outside  consultants,  directors  and
     employees.  There are no other options,  warrants,  conversion  privileges,
     pre-emptive  rights (other than the pre-emptive  rights  agreement  between
     Glyko   Biomedical  Ltd.  and  the  Purchaser  dated  June  27,  1997,  the
     pre-emptive  rights agreement between BB BioVentures L.P. and the Purchaser
     dated  December 30, 1997,  and the  pre-emptive  rights  agreement  between
     Genzyme  Corporation  and the Purchaser  dated September 4, 1998) presently
     outstanding  to purchase or  otherwise  acquire any capital  stock or other
     securities of the Company;

          (j)  To  the  knowledge  of  the  Purchaser,  there  is  not  pending,
     threatened or contemplated, any suit, action, legal proceeding,  litigation
     or governmental  investigation of any sort relating to the Purchaser or the
     BioMarin  Shares,  nor is there any present state of facts or circumstances
     which  can be  reasonably  anticipated  to be a basis  for any  such  suit,
     action, legal proceeding,  litigation or governmental  investigation nor is
     there presently  outstanding against the Purchaser,  any judgment,  decree,
     injunction,   rule  or  order  of  any  court,   governmental   department,
     commission, agency, instrumentality,  or arbitrator, to which the Purchaser
     is a party or to which the property of the  Purchaser is subject that would
     result  individually or in the aggregate in any material  adverse change in
     the  operation,  business,  condition,  income or future  prospects  of the
     Purchaser.

          (k) No order  ceasing  or  suspending  trading  in  securities  of the
     Purchaser or  prohibiting  the sale of securities by the Purchaser has been
     issued and no  proceedings  for this purpose have been  instituted,  or are
     pending,  or,  to the  knowledge  of the  Purchaser,  are  contemplated  or
     threatened.

          (l) Neither the Restated Certificate of Incorporation or Bylaws of the
     Purchaser nor any agreement,  mortgage, note, debenture, indenture or other
     instrument  or  document  to which the  Purchaser  is a party,  contain any
     restriction  upon or impediment to the  declaration or payment of dividends
     by the  directors  of the  Purchaser  or the  payment of  dividends  by the
     Purchaser to the holders of the BioMarin Shares.

                                       18
<PAGE>
          (m) Upon  execution  of the Amended and Restated  Registration  Rights
     Agreement,  attached hereto as Schedule "E," Vendor shall have registration
     rights with regard to the BioMarin Shares, as enumerated therein.

          (n) The  Purchaser  has not  entered  into any  agreement  that  would
     entitle  any person to any valid  claim  against  the Vendor for a broker's
     commission, finder's fee, or any like payment in respect of the purchase of
     the Glyko  Shares or the sale of the BioMarin  Shares or any other  matters
     contemplated by this Agreement.

          (o)  Purchaser  has such  knowledge  and  experience  in financial and
     business  matters that it is capable of evaluating  the merits and risks of
     the  purchase  of the  Glyko  Shares  pursuant  to  this  Agreement  and of
     protecting the Purchaser's interests in connection herewith.  Purchaser has
     the ability to bear the economic risk of the investment, including complete
     loss of the investment.

          (p) Purchaser is acquiring the Glyko Shares for investment for its own
     account,  not as a nominee or agent,  and not with a view to, or for resale
     in connection with, any distribution  thereof, and Purchaser has no present
     intention  of  selling,   granting  any   participation  in,  or  otherwise
     distributing the same. Purchaser understands that the Glyko Shares have not
     been  registered  under  the  Securities  Act  of  1933,  as  amended  (the
     "Securities  Act") but have been issued  pursuant  to a specific  exemption
     from the registration  provisions of the Securities Act which depends upon,
     among other things,  the bona fide nature of the investment  intent and the
     accuracy of Purchaser 's representations as expressed herein.

          (q) Purchaser  understands that the Glyko Shares are  characterized as
     "restricted  securities" under U.S. federal  securities laws and that under
     such laws and applicable regulations the Glyko Shares may be resold without
     registration   under   the   Securities   Act  only  in   certain   limited
     circumstances.  Purchaser  acknowledges  that the Glyko Shares must be held
     indefinitely unless subsequently  registered under the Securities Act or an
     exemption from such  registration  is available.  Purchaser is aware of the
     provisions of Rule 144  promulgated  under the Securities Act which permits
     limited resale of shares  purchased in a private  placement  subject to the
     satisfaction of certain conditions.

          (r)  Purchaser  understands  that no public  market now exists for the
     Common Stock of Glyko,  Inc. or for any other  securities  issued by Glyko,
     Inc.  and that there is no assurance  that a public  market will ever exist
     for the Glyko Shares.

          (s) Without in any way limiting the  representations  set forth above,
     Purchaser  further  agrees  not to  make  any  offer  or sale of all or any
     portion of the Glyko Shares within the United States or to a U.S.  resident
     unless and until;

          (i)  There  is then in  effect  a  Registration  Statement  under  the
     Securities  Act covering such proposed offer or sale and such offer or sale
     is made in accordance with such Registration Statement; or

                                       19
<PAGE>
          (ii) Purchaser shall have notified  Glyko,  Inc. of the proposed offer
     or sale and shall have furnished Glyko,  Inc. with a detailed  statement of
     the circumstances  surrounding the proposed disposition,  and if reasonably
     requested by the Glyko,  Inc.,  Purchaser shall have furnished Glyko,  Inc.
     with an opinion of counsel,  reasonably  satisfactory to Glyko,  Inc., that
     such offer or sale is exempt from the registration  requirements  under the
     Securities Act.

          (t) Purchaser  presently  does and will as of the Closing Date qualify
     as an "accredited  investor" within the meaning of Rule 501(a)  promulgated
     under the Securities Act and meets the relevant  criteria  indicated on its
     completed and signed copy of the Accredited Investor Questionnaire attached
     hereto as Schedule "F".

          (u) None of the foregoing  representations  and  warranties  knowingly
     contains any untrue  statement of material fact or knowingly omits to state
     any material fact necessary to make any such representation or warranty not
     misleading to a prospective  purchaser of the BioMarin  Shares seeking full
     information as to the BioMarin Shares.

               5. CONDITIONS PRECEDENT TO PURCHASER'S OBLIGATIONS

          All obligations of the Purchaser  under this Agreement,  including but
     not limited to those to purchase the Glyko  Shares,  to assume the Employee
     Options  and to sell to Vendor  the  BioMarin  Shares,  are  subject to the
     fulfillment prior to or at the Closing of each of the following conditions:

          (a) Purchaser shall have received from Vendor a certificate,  dated as
     of the Closing Date,  signed by the  President of Vendor,  stating that the
     representations  and  warranties  made  by  the  Vendor  in or  under  this
     Agreement  are true in all  material  respects on and as of the date of the
     Closing and that, on or prior to the Closing,  Vendor has complied with all
     covenants  and  agreements  herein  agreed to be  performed or caused to be
     performed by it on or prior to the Closing Date.

          (b) On or before the Closing Date there shall have been  obtained from
     all appropriate Federal,  provincial,  state,  municipal,  foreign or other
     governmental or administrative  bodies all such approvals and consents,  if
     any, in form and terms satisfactory to the Purchaser, as may be required in
     order to permit the change of ownership of the Glyko Shares.

          (c) On or before the  Closing  Date the Vendor and Glyko,  Inc.  shall
     have settled all inter-company debt and equity accounts.

          (d) Purchaser shall have received from Vendor a copy of this Agreement
     duly  executed  on behalf of Vendor  with all  schedules  attached  thereto
     completed to the mutual satisfaction of Purchaser and Vendor.

          (e) Purchaser  shall have received from Vendor an executed copy of the
     Amended and  Restated  Registration  Rights  Agreement  attached  hereto as
     Schedule "E."

                                       20
<PAGE>

          (f)  Purchaser  shall have received from counsel to Vendor an executed
     legal opinion in a form reasonably satisfactory to Purchaser.


          (g) Vendor shall have delivered,  subject to the provisions of Section
     2.4 hereof,  the Glyko Shares together with such executed  documentation as
     is necessary and appropriate to the effect the transfer of ownership of the
     Glyko Shares from Vendor to Purchaser.

          In case any of the  foregoing  conditions  cannot be  fulfilled  on or
     before the Closing Date to the satisfaction of the Purchaser, the Purchaser
     may rescind  this  Agreement by notice to the Vendor and in such event each
     of the  Purchaser  and the Vendor  shall be released  from all  obligations
     hereunder;  provided,  however,  that any such  conditions may be waived in
     whole  or in part by the  Purchaser  without  prejudice  to its  rights  of
     rescission in the event of the  non-fulfillment  of any other  condition or
     conditions, and that the closing of the Transaction as contemplated by this
     Agreement shall be deemed to be a waiver of any unfulfilled conditions.

              6. CONDITIONS PRECEDENT TO THE VENDOR'S OBLIGATIONS

          All obligations of the Vendor under this Agreement,  including but not
     limited to those to sell the Glyko Shares to Purchaser  and to purchase the
     BioMarin Shares,  are subject to the fulfillment prior to or at the Closing
     of each of the following conditions:

          (a) Vendor shall have received from  Purchaser a certificate  dated as
     of the Closing Date,  signed by the Chief  Executive  Officer of Purchaser,
     stating that the representations and warranties of the Purchaser under this
     Agreement  are true in all material  respects on and as of the date of such
     Closing and that,  on or prior to the Closing,  the  Purchaser has complied
     with all covenants and  agreements  herein agreed to be performed or caused
     to be performed by it on or prior to the Closing Date.

          (b) No action shall have been taken by any court or governmental  body
     prohibiting or making illegal the execution and delivery of this Agreement,
     or any  transaction  contemplated  by this  Agreement.  No action,  suit or
     proceeding  shall have been  instituted  and be continuing by any Person to
     restrain,   modify  or  prevent  the   consummation  of  the   transactions
     contemplated by this Agreement, or to seek damages against the Purchaser in
     connection with such Transaction,  or that has been or is reasonably likely
     to have a material  adverse  affect on the  ability of any party  hereto to
     fully consummate the transactions contemplated by this Agreement.

          (c) The  Purchaser  shall have  delivered  to  Vendor,  subject to the
     provisions of Section 2.4 hereof, releases of the Employee Options executed
     by the subject optionees, in form reasonably satisfactory to the Vendor.

          (d)  Purchaser  shall have  delivered,  subject to the  provisions  of
     Section  2.4  hereof,  a  certificate   representing  the  BioMarin  Shares
     registered  in the  name  of the  Vendor  bearing  restrictive  legends  as
     provided for in Section 3(z).

          (e) On or before the  Closing  Date the Vendor and Glyko,  Inc.  shall
     have settled all inter-company debt and equity accounts.

                                       21
<PAGE>
          (f) Vendor shall have  received  from counsel to Purchaser an executed
     legal opinion in a form reasonably satisfactory to Vendor.

          (g) Vendor shall have received from Purchaser a copy of this Agreement
     duly executed on behalf of Purchaser  with all schedules  attached  thereto
     completed to the mutual satisfaction of Purchaser and Vendor.

          (h) Vendor shall have received from Purchaser $500 in cash pursuant to
     Section 2.2 hereof.

          (i) Vendor shall have received from  Purchaser an executed copy of the
     Amended and  Restated  Registration  Rights  Agreement  attached  hereto as
     Schedule "E."


          In case any of the  foregoing  conditions  cannot be  fulfilled  on or
     before the Closing Date to the  satisfaction of the Vendor,  the Vendor may
     rescind this Agreement by notice to Purchaser and in such event each of the
     Vendor and the Purchaser shall be released from all obligations  hereunder;
     provided,  however,  that any such  conditions may be waived in whole or in
     part by the Vendor  without  prejudice to its rights or  rescission  in the
     event of the  non-fulfillment of any other condition or conditions and that
     the Closing shall be deemed to be a waiver of any unfulfilled conditions.

                  7. NATURE OF REPRESENTATIONS AND WARRANTIES

          (a) Regardless of any  investigation  at any time made by or on behalf
     of any party  hereto or of any  information  any party may have in  respect
     thereof,  all  representations  and warranties made hereunder shall survive
     the Closing for a period of 24 months following the Closing Date.

          (b) This Agreement,  and the documents specifically referred to herein
     or  executed  and  delivered   concurrently  herewith  or  at  the  Closing
     constitute  the  entire  agreement,   understanding,   representations  and
     warranties  of the  parties  hereto  and  supersede  any  prior  agreement,
     understanding,  representation,  warranty  or  documents  relating  to  the
     subject matter of this Agreement.

                                   8. NOTICES

          All  notices,  requests,  demands and other  communications  hereunder
     shall be in  writing  and  shall be deemed  to have  been  duly  given,  if
     delivered in person,  telegraphed,  or mailed by certified registered mail,
     postage prepaid:

                                       22
<PAGE>

          (a) If to the Vendor, addressed as follows:

                           Glyko Biomedical Limited
                           11 Pimental Court
                           Novato, Ca.
                           94949

                           Attention:       Dr. John Klock
                           Telecopy No.:    415-382-7889

                  With a copy to:

                           Cassels Brock & Blackwell
                           Suite 2100
                           Scotia Plaza
                           Toronto, Ontario
                           M5H 3C2

                           Attention:       Mark I. Young
                           Telecopy No.:    416-350-6902



          (b) If to the Purchaser, addressed as follows:

                           BioMarin Pharmaceutical Inc.
                           11 Pimental Court
                           Novato, Ca.
                           94949

                           Attention:       Grant W. Denison, Jr.
                           Telecopy No.:    415-382-7889

                  With a copy to:

                           Wilson Sonsini Goodrich & Rosati
                           650 Page Mill Road
                           Palo Alto, CA
                           94303-1050

                           Attention:       Frank Currie
                           Telecopy No.:    650-493-6811

          or to such  other  address  as the  party to be  notified  shall  have
     furnished  to the other party in writing.  Any notice  given in  accordance
     with the  foregoing  shall be deemed to have been given when  delivered  in
     person or on the next  business  day  following  the date on which it shall
     have been telegraphed or mailed.

                                 9. AMENDMENTS

          This Agreement may be amended or modified only by a written instrument
     executed by the parties affected thereby, or by their respective successors
     and permitted assigns.

                                       23
<PAGE>

                                   10. GENERAL

          (a) This Agreement:

          (i) shall be construed and enforced in accordance with the laws of the
     Province of Ontario; and

          (ii) shall enure to the benefit of and be binding  upon the  Purchaser
     and the  Vendor  and  their  respective  executors,  administrators,  legal
     representatives,   successors  and  permitted  assigns,   nothing  in  this
     Agreement,  express or  implied,  being  intended  to confer upon any other
     person any rights or remedies hereunder.

          (b) Time shall be of the essence hereof.

          (c) Each of the parties  hereto  covenants and agrees that at any time
     and from time to time  after the  Closing  Date such party  will,  upon the
     request of the other party,  do, execute,  acknowledge and deliver all such
     further acts,  documents and  assurances as may be reasonably  required for
     the better  carrying out of the terms of this  Agreement  and to consummate
     the transactions contemplated hereby.

          (d) This Agreement may be executed in one or more  counterparts,  each
     of which so executed shall constitute an original and all of which together
     shall constitute one and the same agreement.

          (e) Each of the parties  hereto shall pay their  respective  legal and
     accounting costs and expenses  incurred in connection with the preparation,
     execution and delivery of this Agreement and all documents and  instruments
     executed  pursuant  hereto and any other costs and expenses  whatsoever and
     howsoever  incurred in connection  with the completion of the  transactions
     contemplated hereby.

          (f) The  parties  hereto  agree to file in a timely  manner  all forms
     required to be filed after the Closing  Date by  applicable  law and by the
     regulations   and  policies  of  all   applicable   securities   regulatory
     authorities in connection with the transactions contemplated hereby.

          (g) Neither this Agreement nor any right or obligation hereunder shall
     be assignable by any party hereto without the prior written  consent of the
     other parties hereto, which consent may be arbitrarily withheld.

                                       24
<PAGE>
          IN  WITNESS  WHEREOF  the  parties  hereto  have  duly  executed  this
     Agreement as of the day and date first above written.

                                                GLYKO BIOMEDICAL LTD.


                                                By:   /s/ John C. Klock
                                                Dr. John C. Klock,
                                                President


                                                BIOMARIN PHARMACEUTICAL INC.


                                                By:   /s/ Grant W. Denison, Jr.
                                                Grant W. Denison, Jr., 
                                                Chief Executive Officer

































[Signature Page To Agreement Regarding Sale of Capital Stock of Glyko, Inc.]



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