BIOMARIN PHARMACEUTICAL INC
10-Q, 1999-09-07
PHARMACEUTICAL PREPARATIONS
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                       Securities and Exchange Commission
                             Washington, D.C. 20549
                                    FORM 10-Q
 (Mark One)
 [X]     QUARTERLY REPORT UNDER SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE
          ACT OF 1934
                  For the quarterly period ended June 30, 1999

 [ ]     TRANSITION  REPORT  PURSUANT  TO SECTION 13 OR 15(D) OF THE
          SECURITIES EXCHANGE ACT OF 1934 For the transition period from
                  ______ to _________.

                       Commission file number: 000-26727

                          BIOMARIN PHARMACEUTICAL INC.
          (Exact name of registrant issuer as specified in its charter)

           Delaware                                   68-0397820
(State or other jurisdiction of            (I.R.S. Employer Identification No.)
incorporation or organization)

                  371 Bel Marin Keys Blvd., Suite 210, Novato,
                                California 94949
                    (address of principal executive offices)
                                   (Zip Code)
                                 (415) 884-6700
              (Registrant's telephone number, including area code)

(Former name,former address and former fiscal year if changed since last report)

         Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934 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 __ No X

                APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY

                   PROCEEDINGS DURING THE PRECEDING FIVE YEARS

         Indicate by check mark whether the  registrant  filed all documents and
reports  required  to be filed by  Sections  12,  13 or 15(d) of the  Securities
Exchange Act of 1934 subsequent to the  distribution of securities  under a plan
confirmed by a court. Yes ____ No_____

                      APPLICABLE ONLY TO CORPORATE ISSUERS

         Indicate  the  number of  shares  outstanding  of each of the  issuer's
classes of common stock, as of the latest  practicable  date:  34,801,420 shares
Common Stock, par value $0.001, outstanding as of August 31, 1999.



<PAGE>



                          BIOMARIN PHARMACEUTICAL INC.
                                TABLE OF CONTENTS

                                                                           Page

PART I.  FINANCIAL INFORMATION

         Item 1.  Financial Statements (Unaudited).

         Consolidated Balance Sheets as of December 31, 1998
            and June 30, 1999................................................2
         Consolidated Statements of Operations for the three-month periods
            ended June 30, 1998 and 1999.....................................3
         Consolidated  Statements of Operations for the six-month periods
            ended June 30,  1998  and 1999 and for the period from
            March 21, 1997(inception) to June 30, 1999.......................4
         Consolidated  Statements of Cash Flows for the six-month periods
            ended June 30, 1998 and 1999 and for the period from
            March 21, 1997(inception) to June 30, 1999.......................5
         Notes to Consolidated Financial Statements..........................6

         Item 2.  Management's Discussion and Analysis.......................8

         Item 3.  Quantitative and Qualitative Disclosure about Market Risk.25


PART II. OTHER INFORMATION

         Item 1.  Legal Proceedings.........................................26

         Item 2.  Changes in Securities and Uses of Proceeds................26

         Item 3.  Defaults upon Senior Securities...........................26

         Item 4.  Submission of Matters to a Vote of Security Holders.......26

         Item 5.  Other Information.........................................27

         Item 6.  Exhibits and Reports on Form 8-K..........................27

SIGNATURE...................................................................28







<PAGE>


                          PART I. FINANCIAL INFORMATION

Item 1.  Financial Statements (Unaudited)

                  BIOMARIN PHARMACEUTICAL INC. AND SUBSIDIARIES
                          (a development-stage company)

                           CONSOLIDATED BALANCE SHEETS
                           AS OF DECEMBER 31, 1998 AND
                                  JUNE 30, 1999
<TABLE>
<CAPTION>

                                                                December 31,                  June 30,              Pro Forma
                                                                    1998                        1999              June 30, 1999
                                                           ---------------------      ------------------------    -------------
<S>                                                        <C>                        <C>                         <C>
                                                                                            (unaudited)
       ASSETS
CURRENT ASSETS:
   Cash and cash equivalents                                     $ 9,413,662                $  17,244,025
   Short-term investments                                          1,975,800                      254,000
   Accounts receivable, net                                          148,396                      437,954
   Due from Glyko Biomedical Ltd.                                    114,005                      116,383
   Due from BioMarin/Genzyme LLC                                     418,712                      941,245
   Inventories                                                        71,730                      806,677
   Prepaid expenses                                                  676,214                    1,346,856
                                                           ---------------------      ------------------------
                Total current assets                              12,818,519                    21,147,140
PROPERTY AND EQUIPMENT, net                                        6,223,058                    16,953,166
GOODWILL AND OTHER INTANGIBLE ASSETS                              11,703,726                    11,911,178
INVESTMENT IN BIOMARIN/GENZYME LLC                                   684,657                     1,333,923
DEPOSITS                                                              79,142                        88,844
                                                           ---------------------      ------------------------
                Total assets                                     $31,509,102                  $ 51,434,251
                                                           =====================      ========================

       LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES:
   Accounts payable                                              $ 1,340,355                $    6,016,418
   Accrued liabilities                                               640,016                     1,847,430          1,286,568
   Notes payable short-term                                           24,366                        24,958
                                                           ---------------------      ------------------------
                Total current liabilities                          2,004,737                     7,888,806
LONG-TERM LIABILITIES:
  Convertible notes                                                    --                       26,000,000             --
  Long-term portion of notes payable                                 109,845                        97,255
                                                           ---------------------      ------------------------
                Total long-term liabilities                          109,845                    26,097,255
                                                           ---------------------      ------------------------
                    Total liabilities                              2,114,582                    33,986,061
STOCKHOLDERS' EQUITY:
   Common stock, $0.001 par value:50,000,000 shares
     authorized,  26,176,180, and 26,183,057 shares
     issued and outstanding at December 31, 1998,
     and June 30, 1999, respectively                                  26,176                        26,176             28,832
   Additional paid-in capital                                     50,058,434                    49,576,126         76,134,332
   Warrants                                                          128,240                       128,240
   Deferred compensation                                          (3,254,411)                   (3,252,121)
   Notes receivable from stockholders                             (2,487,500)                   (2,562,500)
   Deficit accumulated during the development stage              (15,076,419)                  (26,467,731)
                                                           ---------------------      ------------------------
                Total stockholders' equity                        29,394,520                    17,448,190
                                                           ---------------------      ------------------------
                Total liabilities and stockholders' equity       $31,509,102                  $ 51,434,251
                                                           =====================      ========================
</TABLE>

        The accompanying notes are an integral part of these statements.
                                        2

<PAGE>


                  BIOMARIN PHARMACEUTICAL INC. AND SUBSIDIARIES
                          (a development-stage company)

                      CONSOLIDATED STATEMENTS OF OPERATIONS
            FOR THE THREE-MONTH PERIODS ENDED JUNE 30, 1998 AND 1999



<TABLE>
<CAPTION>

                                                           Three Months Ended
                                                                 June 30,
                                             ----------------------------------------------------
                                                      1998                        1999
                                             -----------------------    -------------------------
                                                  (unaudited)                 (unaudited)
<S>                                          <C>                         <C>

REVENUES:
   Revenues--products                          $       --                    $  326,827
   Revenues--services                                  --                        31,079
   Revenues from BioMarin/Genzyme LLC                  --                     1,157,458
   Revenues--other                                     --                        42,119
                                             -----------------------    -------------------------
               Total revenues                          --                     1,557,483

OPERATING COSTS AND EXPENSES:
   Cost of products                                    --                        32,710
   Cost of services                                    --                        79,572
   Research and development                        1,047,325                  6,479,328
   Selling, general and administrative             1,029,090                  1,110,820
                                             -----------------------    -------------------------

                Loss from operations              (2,076,415)                (6,144,947)

INTEREST INCOME                                      146,875                    299,018

INTEREST EXPENSE                                       --                      (560,862)

EQUITY IN LOSS OF BIOMARIN/GENZYME LLC                 --                      (375,123)
                                             -----------------------    -------------------------
                Net loss                          $(1,929,540)              $(6,781,914)
                                             =======================    =========================

NET LOSS PER SHARE, basic and diluted                 $ (0.09)                  $ (0.26)
                                             =======================    =========================

WEIGHTED AVERAGE COMMON SHARES OUTSTANDING         20,566,500                26,176,256
                                             =======================    =========================
</TABLE>


        The accompanying notes are an integral part of these statements.


                                        3

<PAGE>


                  BIOMARIN PHARMACEUTICAL INC. AND SUBSIDIARIES
                          (a development-stage company)

                      CONSOLIDATED STATEMENTS OF OPERATIONS
           FOR THE SIX-MONTH PERIODS ENDED JUNE 30, 1998 AND 1999, AND
         FOR THE PERIOD FROM MARCH 21, 1997 (INCEPTION) TO JUNE 30, 1999


<TABLE>
<CAPTION>
                                                                                                  Period from
                                                                                                 March 21, 1997
                                                         Six Months Ended                       (Inception), to
                                                             June 30,                               June 30,
                                         -------------------------------------------------
                                                 1998                       1999                      1999
                                         ----------------------    -----------------------    ---------------------
                                              (unaudited)               (unaudited)               (unaudited)
<S>                                      <C>                       <C>                        <C>

REVENUES:
   Revenues--products                          $   --                  $       528,865           $   667,027
   Revenues--services                              --                           77,961               190,096
   Revenues from BioMarin/Genzyme LLC              --                        1,903,730             2,741,187
   Revenues--other                                 --                          151,245               253,900
                                         ----------------------    -----------------------    ---------------------

                Total revenues                    --                         2,661,801             3,852,210

OPERATING COSTS AND EXPENSES:
   Cost of products                               --                           116,750               165,997
   Cost of services                               --                            98,233               156,928
   Research and development                   2,155,558                     10,371,330            22,787,761
   Selling, general and administrative        1,331,745                      2,803,578             7,248,763
                                         ----------------------    -----------------------    ---------------------

                Loss from operations         (3,487,303)                   (10,728,090)          (26,507,239)

INTEREST INCOME                                 239,268                        452,629             1,202,530

INTEREST EXPENSE                                  --                          (560,862)             (560,862)

EQUITY IN LOSS OF BIOMARIN/GENZYME LLC            --                          (554,989)             (602,160)
                                        ----------------------    -----------------------    ---------------------
                Net loss                    $(3,248,035)                 $ (11,391,312)         $(26,467,731)
                                         ======================    =======================    =====================

NET LOSS PER SHARE, basic and diluted           $ (0.16)                       $ (0.44)              $ (1.44)
                                         ======================    =======================    =====================

WEIGHTED AVERAGE COMMON SHARES
   OUTSTANDING                               20,566,500                     26,176,218            18,397,901
                                         ======================    =======================    =====================
</TABLE>


              The accompanying notes are an integral part of these statements.

                                        4


<PAGE>


                  BIOMARIN PHARMACEUTICAL INC. AND SUBSIDIARIES
                          (a development-stage company)

                      CONSOLIDATED STATEMENTS OF CASH FLOWS
         FOR THE SIX-MONTH PERIODS ENDED JUNE 30, 1998 AND 1999, AND FOR
           THE PERIOD FROM MARCH 21, 1997 (INCEPTION) TO JUNE 30, 1999

<TABLE>
<CAPTION>
                                                                                                      Period from
                                                                                                         March 21,
                                                                        Six Months Ended                    1997
                                                                            June 30,                  (Inception), to
                                                               ----------------------------------
                                                                     1998              1999            June 30, 1999
                                                              -----------------   ----------------  ---------------------
                                                                 (unaudited)        (unaudited)         (unaudited)
<S>                                                           <C>                 <C>               <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
   Net loss                                                      $(3,248,035)       $(11,391,312)     $(26,467,731)
   Adjustments to reconcile net loss to net cash used in
     operating activities:
       Depreciation                                                   38,517           1,039,651         1,352,086
       Amortization of deferred compensation                             --              636,235           821,640
       Amortization of goodwill                                          --              542,548           813,822
       Accrued interest on notes receivable from stockholders        (75,000)            (75,000)         (262,500)
       Compensation in the form of common stock and common
         stock options                                                   --                 --              18,020
       Loss from BioMarin/Genzyme LLC                                    --            2,458,719         2,505,850
       Write-off of in-process technology                                --                 --           2,625,000
   Changes in operating assets and liabilities:
     Accounts receivable                                                 --             (289,558)         (437,954)
     Due from Glyko Biomedical, Ltd.                                     --               (2,378)         (116,383)
     Due from BioMarin/Genzyme LLC                                       --             (522,533)         (941,245)
     Inventories                                                         --               15,053           (56,677)
     Prepaid expenses                                              (364,281)            (670,642)       (1,346,856)
     Deposits                                                       (51,682)              (9,701)          (88,843)
     Accounts payable                                               480,920            4,676,063         6,016,418
     Accrued liabilities                                            (43,395)             457,414         1,097,430
     Due to Glyko, Inc.                                              59,090                 --                --
                                                                ---------------   ----------------  ---------------------
          Net cash used in operating activities                  (3,203,866)          (3,135,441)      (14,467,923)
                                                                ---------------   ----------------  ---------------------
CASH FLOWS FROM INVESTING ACTIVITIES:
   Purchase of property and equipment                              (472,671)         (11,769,760)      (18,305,253)
   Investment in BioMarin/Genzyme LLC                                    --           (3,107,985)       (3,839,773)
   Sale (purchase) of short-term investments                     (1,116,921)           1,721,800          (254,000)
   Purchase of assets from OGS                                           --             (750,000)         (750,000)
                                                                ---------------   ----------------  ---------------------
        Net cash used in investing activities                    (1,589,592)         (13,905,945)      (23,149,026)
                                                                ---------------   ----------------  ---------------------
CASH FLOWS FROM FINANCING ACTIVITIES:
   Proceeds from note payable                                            --                 --             134,211
   Bridge loan                                                           --                 --             880,000
   Repayment of equipment loan                                           --              (11,998)          (11,998)
   Funds held in escrow for sale of common stock                 (3,333,719)                --                --
   Proceeds from sale of convertible notes, net of issuance
     costs                                                               --           24,883,747        24,883,747
   Proceeds from sale of common stock, net of issuance costs      3,328,002                 --          28,975,014
                                                                ---------------   ----------------  ---------------------
      Net cash provided by (used in) financing activities            (5,717)          24,871,749        54,860,974
                                                                ---------------   ----------------  ---------------------
      Net increase (decrease) in cash and cash equivalents       (4,799,175)           7,830,363        17,244,025
CASH AND CASH EQUIVALENTS:
   Beginning of period                                            5,987,433            9,413,662              --
                                                                ---------------   ----------------  ---------------------
   End of period                                                $ 1,188,258          $17,244,025       $17,244,025
                                                                ===============   ================  =====================
</TABLE>

        The accompanying notes are an integral part of these statements.
                                        5


<PAGE>




                  BIOMARIN PHARMACEUTICAL INC. AND SUBSIDIARIES
                          (a development-stage company)

                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS



1.  BASIS OF PRESENTATION:

The Company is a developer of carbohydrate  enzyme  therapies for  debilitating,
life-threatening,  chronic  genetic  disorders and other diseases or conditions.
The Company was  incorporated  in October 1996 as a  wholly-owned  subsidiary of
Glyko  Biomedical.  The  Company  was  funded  by  Glyko  Biomedical  and  began
operations  on March 21,  1997,  the date of  inception.  In October  1998,  the
Company acquired Glyko, Inc., a wholly-owned subsidiary of Glyko Biomedical in a
transaction valued at $14.5 million.

The accompanying  unaudited consolidated financial statements have been prepared
in  accordance  with  generally  accepted  accounting   principles  for  interim
financial  information  on  substantially  the same basis as the annual  audited
financial  statements.  Accordingly,  they do not include all of the information
and footnotes required by generally accepted accounting  principles for complete
financial statements. In the opinion of management, all adjustments,  consisting
of normal recurring  adjustments,  considered  necessary for a fair presentation
have been included.  Operating results for the three and six month periods ended
June 30, 1999 are not necessarily indicative of the results that may be expected
for the year ending December 31, 1999. These consolidated  financial  statements
should  be read in  conjunction  with the  financial  statements  and  footnotes
thereto for the year ended  December 31, 1998 included in the Company's Form S-1
Registration Statement.


2.  SIGNIFICANT ACCOUNTING POLICIES:

Property and equipment

Property and equipment are stated at cost.  Depreciation  is computed  using the
straight-line method.  Leasehold improvements are amortized over the life of the
asset or the term of the lease, whichever is shorter.  Significant additions and
improvements  are  capitalized,  while  repairs and  maintenance  are charged to
expense as incurred.

Property and equipment consisted of the following:

<TABLE>
<CAPTION>
                                                                                          Estimated
                                       December 31, 1998       June 30, 1999            Useful Lives
                                     ---------------------  -------------------  -------------------------

<S>                                  <C>                    <C>                  <C>
Computer hardware and software        $     161,994            $     308,859               3 years
Office furniture and equipment              372,037                  656,975               5 years
Laboratory equipment                      3,468,978                5,869,180               5 years
                                                                                     Shorter of life of
Leasehold improvements                    2,532,484               11,470,239         asset or lease term
                                     ---------------------  -------------------
                                          6,535,493               18,305,253
Less:  Accumulated depreciation            (312,435)              (1,352,087)
                                     ---------------------  -------------------
                Total, net             $  6,223,058              $16,953,166
                                     =====================  ===================
</TABLE>
Research and Development

Research and development  expenses include the expenses associated with contract
research and  development  provided to third parties,  research and  development
provided in connection with the joint venture, including clinical and regulatory
costs, and internal research and development costs. All research and development
costs discussed above are expensed as incurred.

Net Income (Loss) per Share

Basic net income (loss) per share is calculated by dividing net income (loss) by
the weighted average common shares  outstanding  during the period.  Diluted net
income per share is calculated by dividing net income by the weighted average of
common  stock  outstanding  and  potential  common  shares  during  the  period.
Potential  common shares include  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 effect
is antidilutive.

                           6

<PAGE>



3.    INITIAL PUBLIC OFFERING:

The Company  completed its Initial Public Offering (IPO) of 4,500,000  shares of
common  stock at  $13.00  per  share on July 23,  1999,  raising  estimated  net
proceeds of $52.9  million.  Concurrent  with the IPO,  Genzyme  invested in the
Company $10 million at the IPO price of $13 per share (769,230  common  shares).
In addition the convertible notes recorded on the accompanying  balance sheet at
June 30, 1999, plus accrued  interest,  were converted into 2,672,020  shares of
common  stock and the  underwriters'  over-allotment  exercise in August  raised
estimated net proceeds of $8.2 million at the IPO price (675,000 shares).

The pro forma balance sheet as of June 30, 1999 reflects the conversion of the
convertible notes plus accrued interest discussed above.












































                              7


<PAGE>



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


                           FORWARD-LOOKING STATEMENTS

       The following  discussion and analysis of financial condition and results
       of  operations  contains  "forward-looking  statements"  as defined under
       securities  laws.  These  statements  can be  identified  by  the  use of
       terminology such as "believes," "expects," "anticipates," "plans," "may,"
       "will," "projects," "continues," "estimates," "potential,"  "opportunity"
       and so on.  These  forward-looking  statements  may be found in the "Risk
       Factors,"  and other  sections of this  document.  Our actual  results or
       experience   could   differ   significantly   from  the   forward-looking
       statements.  Factors that could cause or contribute to these  differences
       include  those  discussed in "Risk  Factors," as well as those  discussed
       elsewhere in this document.

Overview

We  are  a  developer  of  carbohydrate   enzyme  therapies  for   debilitating,
life-threatening,  chronic  genetic  disorders and other diseases or conditions.
Since our  inception  on March 21,  1997,  we have been  engaged in research and
development  activities,  including  preclinical  studies,  clinical  trials and
clinical  manufacturing,  the  establishment  of  laboratory  and  manufacturing
facilities, and administrative activities.  BioMarin was incorporated in October
1996 as a wholly-owned  subsidiary of Glyko  Biomedical.  BioMarin was funded by
Glyko Biomedical and began operations on March 21, 1997, the date of inception.

We have  incurred net losses since  inception  and had an  accumulated  deficit
through June 30, 1999 of $26.5 million.  Our losses have resulted primarily from
research and  development  activities and related  administrative  expenses.  We
expect to continue to incur operating losses through at least the year 2000.

To date,  we have not generated  revenues from the sale of our drug  candidates.
Our financial results may vary depending on many factors, including:

     .  The   progress  of  BM101  in  the   regulatory
         processes and initial sales  activities

     .  The   investment   in   manufacturing   process
         development  and in  manufacturing  capacity  for BM101
         and other product candidates

     .  The  acceleration  of our  other  pharmaceutical
         candidates into preclinical studies and clinical trials

     .  The  progress  of our  additional  research  and
         development efforts

In  September  1998,  we  established  a joint  venture  with  Genzyme  for the
worldwide development and commercialization of BM101 for the treatment of MPS-I.
Under the  agreement,  our company and Genzyme are each required to make capital
contributions to the joint venture equal to 50% of the expenses  associated with
the  development  and  commercialization  of BM101. We will share equally in any
profits generated from the sales of BM101.

On April 13, 1999, we issued $26.0 million of convertible  promissory notes. The
notes plus accrued interest  converted into 2,672,020 shares of our common stock
at $10.00 per share.

In October 1998, we acquired  Glyko,  Inc., a  wholly-owned  subsidiary of Glyko
Biomedical  in a  transaction  valued at $14.5  million.  Glyko,  Inc.  provides
products and services that perform  carbohydrate  analysis and medical diagnosis
to research institutions and commercial  laboratories.  As consideration for the
acquisition  of all of the  outstanding  shares of Glyko,  Inc.,  we: (1) issued
2,259,039 shares of common stock to Glyko Biomedical,  (2) assumed stock options
of Glyko, Inc. employees  exercisable for 255,540 shares of our common stock and
(3) paid $500 in cash.


                                       8


<PAGE>




Results of Operations

The Quarters Ended June 30, 1999 and 1998

Revenues  for the  second  quarter of 1999  totaled  $1,557,000  compared  to no
revenues in the second  quarter  1998.  Second  quarter 1999  revenues  included
$1,157,000  from the joint venture with Genzyme General  (Nasdaq:  GENZ) for the
development   and    commercialization    of   BM101   in   the   treatment   of
Mucopolysaccharidosis-I  (MPS-I), a chronic,  debilitating genetic disease which
afflicts children and leads to death before adulthood in a majority of patients.
The Genzyme joint venture was formed in September of 1998.  Second  quarter 1999
revenues also included  $400,000  from the sales of  analytical  and  diagnostic
products and services by Glyko, Inc.,  BioMarin's  subsidiary for analytical and
diagnostic  products and services,  which was acquired in October of 1998. On an
ongoing basis,  Glyko,  Inc. revenues for the second quarter of 1999 were up 24%
in comparison to the second quarter of 1998 as a result of May and June revenues
from  the   acquisition  of  the   biochemical   reagents   business  of  Oxford
GlycoSciences Plc. (LSE:OGS).

Cost of products and cost of services from Glyko, Inc.  operations were $112,000
in the second quarter of 1999 and were zero in the comparable period of 1998. On
an ongoing  basis,  Glyko's  total product and service costs as a percent of the
sales of products and services  were 31% in the second  quarter of 1999 compared
to 39% in the second quarter of 1998.

Research and  development  expenses for the second  quarter of 1999 increased by
$5,432,000  from  $1,047,000 in the second  quarter of 1998 to $6,479,000 in the
second quarter of 1999. This increase was due primarily to increased activity in
support of the joint  venture for BM101 and in support of the  Company's  enzyme
product candidates for MPS-VI and burn debridement.

Selling,  general and  administrative  expenses increased from $1,029,000 in the
second  quarter of 1998 to $1,111,000  in the second  quarter of 1999 due to the
consolidation  of  Glyko,  Inc.  selling  and  administrative  expenses  and  to
increased BioMarin administrative staff expenses to support expanded operations.

BioMarin's equity in the loss of its joint venture with Genzyme was $375,000 for
the second  quarter 1999 while there was no joint venture in the second  quarter
of 1998.

Interest  income  increased by $152,000 from  $147,000 in the second  quarter of
1998 to $299,000 in the second  quarter of 1999 due to increased  cash  reserves
resulting from a convertible  note financing in April 1999. The interest expense
accrued on the  convertible  notes at an interest  rate of 10% per year  totaled
$561,000 in the second quarter.

The net loss was  $1,930,000  ($0.09 per share,  both basic and  diluted) in the
second  quarter of 1998 and  increased  to  $6,782,000  ($0.26 per share) in the
comparable period of 1999.

The Six Months Ended June 30, 1999 and 1998

For the six month periods  ended June 30, 1998 and 1999,  revenues were zero and
$2,662,000 respectively. The basic reasons for this increase in revenues are the
same as described  for the second  quarter  increase in revenues.  Joint venture
revenues were  $1,904,000 and Glyko,  Inc.  revenues were $726,000 for the first
six months of 1999.

Research and development expenses increased from $2,156,000 in the first half of
1998 to  $10,371,000  in the comparable  period of 1999.  Increased  expenses in
support of the joint  venture  with  Genzyme,  the MPS-VI  program  and the burn
debridement  program  were the  major  factors  in the  growth of  research  and
development expenses.

Selling,  general and  administrative  expenses increased from $1,332,000 in the
first half of 1998 to  $2,804,000  in the first half of 1999.  This increase was
primarily  the result of the increase in the first  quarter of 1999  compared to
the  same  period  of  1998.  The  first  quarter  increase  resulted  from  the
consolidation  of  Glyko,  Inc.  selling  and  administrative  expenses  in 1999
expenses, an increase in staffing in BioMarin administration in 1999 compared to
1998, and an increase in facilities expense charged to administration in 1999.


                                        9

<PAGE>



BioMarin's equity in the loss of its joint venture with Genzyme was $555,000 for
the first  half of 1999  while  there was no joint  venture in the first half of
1998.

 Interest income  increased by $ 214,000 from $239,000 in the first half of 1998
to $453,000 in the first half of 1999  primarily due to increased  cash reserves
resulting from a convertible  note financing in April 1999. The interest expense
accrued on the convertible notes totaled $561,000.

The net loss was $3,248,000 ($0.16 per share) and $11,391,000 ($ 0.44 per share)
for the first six months of 1998 and 1999 respectively.

Liquidity and Capital Resources

We have  financed our  operations  since our inception by the issuance of common
stock and  convertible  notes and the  related  interest  income  earned on cash
balances available for short-term  investment.  Since inception,  we have raised
aggregate  estimated net proceeds of $125.8 million after the IPO and concurrent
Genzyme  investment.  We were initially  funded by Glyko  Biomedical with a $1.5
million  investment.  We have since raised  additional  capital from the sale of
common stock in private  placements,  the sale of promissory  notes  convertible
into common stock, an investment of $8.0 million by Genzyme as part of our joint
venture  with them,  an initial  public  offering  including  the  underwriters'
over-allotment exercise and the concurrent $10 million Genzyme investment in our
Company.

Our combined cash,  cash  equivalents and short-term  investments  totaled $17.5
million at June 30, 1999,  an increase of $6.1  million from  December 31, 1998.
The  primary  source  of cash was the  issuance  of  convertible  notes  for net
proceeds of $24.9  million.  The primary use of cash during the six months ended
June 30, 1999 was to finance operations and to purchase  leasehold  improvements
and  equipment.  For the six months  ended June 30, 1999,  operations  used $3.1
million,  we purchased  $11.8 million of leasehold  improvements  and equipment,
invested $3.1 million in the joint venture and purchased $750,000 of assets from
Oxford GlycoSciences.

From our inception through June 30, 1999, we have purchased  approximately $18.3
million of leasehold  improvements and equipment.  We expect that our investment
in leasehold  improvements and equipment will increase  significantly during the
next two years because we will provide facilities and equipment for an increased
number of staff and increase manufacturing capacity.

As part of the acquisition of Glyko, Inc., we acquired  in-process  research and
development  projects,  the value of which  was  expensed  as a  portion  of the
purchase price at the time of the acquisition. The 11 projects acquired are each
relatively small and can be grouped into two categories,  analytic  projects and
diagnostic projects.

The analytic projects are intended to expand the analytic product line by adding
new enzymes for  reagent  sales,  new kits for  agricultural  applications,  new
instrument  capabilities  for protein  analysis and a major  upgrade of software
capabilities. At the time of the acquisition of Glyko, Inc., all of the analytic
projects  had  completed  feasibility  work and the software  projects  were 75%
complete and have since been completed. The development of specialized materials
supporting instrument  capabilities is deemed to be the most difficult technical
hurdle for the completion and  commercialization  of the analytic projects.  The
fair  value  of the  analytic  projects  was  $1.7  million  at the  time of the
acquisition.

The  diagnostic  projects  are  intended to expand a product  line based on very
precise measurements of the level of complex carbohydrates in blood and urine as
indicators of serious disease conditions including heart disease, kidney disease
and  mucopolysaccharidoses  or carbohydrate storage diseases. At the time of the
Glyko, Inc. acquisition,  preliminary  feasibility work had been done for all of
the projects and a software  project was well advanced as to programming,  which
has since been  completed.  The  development of new more sensitive  carbohydrate
chemistry techniques is deemed to be the most difficult technical hurdle for the
completion and  commercialization of the diagnostic products.  The fair value of
the diagnostic projects was $924,000 at the time of the acquisition.

As of June 30,  1999,  we had  expended  to date  approximately  $645,000 on the
in-process  research and  development  projects  and $675,000 on the  diagnostic
projects.  If all acquired in-process research and development  projects proceed
to completion,  we expect to spend approximately  $465,000 in incremental direct
expense to  complete  the  analytic  projects in phases  over  approximately  21
months. We expect to spend approximately $1.0 million to

                                       10

<PAGE>




complete the diagnostic projects in phases completed from 9 to 21 months  in the
future. None of these projects have been terminated to date.

Since the acquisition of these in-process research and development  projects six
months ago, there have been no subsequent  developments  which indicate that the
completion and commercialization of either of the projects are less likely to be
completed  on the  original  planned  schedule or less likely to be a commercial
success.

We have  made and plan to make  substantial  commitments  to  capital  projects,
including  the  BM101  manufacturing   facility  in  Torrance,   California,   a
manufacturing facility in Novato, and new research and development facilities in
Novato.  If all product  programs  proceed on schedule,  these  current  capital
commitments  and plans for future  capital  requirements  combined  will require
approximately $32.0 million in the 18-month period beginning in January 1999.

In September 1998, we established a joint venture with Genzyme for the worldwide
development and  commercialization  of BM101 for the treatment of MPS-I. We will
share expenses and profits from the joint venture equally with Genzyme.  Genzyme
invested $8.0 million upon signing the agreement and has purchased $10.0 million
of  common  stock at the IPO  price  of $13 per  share  in a  private  placement
concurrent  with the IPO.  Genzyme has committed to pay us an  additional  $12.1
million upon approval of the biologics license application for BM101.

On October 7, 1998,  we  purchased  Glyko,  Inc.  from Glyko  Biomedical  for an
aggregate purchase price of $14.5 million.  The purchase price was paid for with
2,259,039  shares of our common stock,  our  assumption of certain stock options
held by Glyko,  Inc.  employees which were exercisable into a maximum of 255,540
shares of our common stock and $500 in cash.

On April 13, 1999,  we sold a total of $26.0 million of  convertible  promissory
notes.  The notes were converted into 2,672,020  shares of our common stock at a
conversion price of $10.00 per share concurrent with the IPO.

In May 1999, Glyko, Inc. acquired key assets of the Biochemical Research Reagent
Division  of Oxford  GlycoSciences  Plc.  The  acquisition  was made to increase
Glyko,  Inc.'s  product  offerings  and was  valued  from $1.5  million  to $2.1
million, depending on the future sales of the acquired products.

In July 1999, we completed our initial  public  offering of 4,500,000  shares of
our common stock at $13 per share raising  estimated  proceeds of $52.9 million.
Concurrent  with the IPO,  Genzyme  purchased  $10  million of our common  stock
(769,230 shares) at the IPO price of $13.

In August 1999,  the  underwriters  exercised  their  over-allotment  of 675,000
shares at the IPO price of $13 raising estimated net proceed of $8.2 million.

We expect our current funds to last for a period of at least 12 months. Until we
can  generate  sufficient  levels  of cash  from our  operations,  we  expect to
continue to finance future cash needs through:

    .  The sale of equity securities

    .  Equipment-based financing

    .  Collaborative agreements with corporate partners

We do not expect to generate  positive  internal cash flow for at least the next
two years because we expect to increase  operational  expenses and manufacturing
investment  for the joint  venture  and to  increase  research  and  development
activities, including:

    .  Preclinical studies, clinical trials and
         regulatory review

    .  Commercialization of our drug candidates

    .  Development of manufacturing operations


                                       11

<PAGE>




    .  Process development

    .  Scale-up of manufacturing facilities

    .  Sales and marketing activities

We anticipate a need for additional  financing to fund the future  operations of
its business,  including the  commercialization of our drug candidates currently
under  development.  We cannot  assure  you that  additional  financing  will be
obtained or, if obtained, will be available on reasonable terms.

Our future capital requirements will depend on many factors,  including, but not
limited to:

    .  The progress of its research and development
        programs

    .  The progress of preclinical studies and
        clinical trials

    .  The time and cost involved obtaining regulatory
        approvals

    .  Scaling up, installing and validating
        manufacturing capacity

    .  Competing technological and market developments

    .  Changes and developments in collaborative,
        licensing and other  relationships

    .  The development of commercialization activities
        and arrangements

    .  The leasing and build-out of additional
        facilities

    .  The purchase of additional capital equipment

We plan to  continue  our  policy of  investing  available  funds in  government
securities and investment  grade,  interest-bearing  securities,  primarily with
maturities  of one  year or  less.  We do not  invest  in  derivative  financial
instruments, as defined by Statement of Financial Accounting Standards No. 119.

Impact of Year 2000

The following  constitutes "Year 2000 Readiness  Disclosure" under the Year 2000
Information and Readiness Disclosure Act of 1998.

We are aware of the potential  problems  associated  with computer  programs and
systems  that  use only  two  digits  to  identify  the year in the date  field.
Application  and  system  programs  may be  unable  correctly  to  process  date
information for dates after December 31, 1999. This year 2000 defect could cause
the disruption or failure of computer systems. The year 2000 defect could affect
both our internal  information  technology  systems and other functional systems
that use embedded  computer  programs for control or other purposes.  The defect
could also affect the  information  technology and other  functional  systems of
suppliers  of products  and  services to us. The defect could affect the overall
economy and have a significant impact on us.

We have  formed a team to review  and  resolve  those  aspects  of the year 2000
problem  which are within our direct  control and adjust to or  influence  those
aspects  which are not within  our direct  control.  The team has  reviewed  our
software  products  (including those under  development) and determined that our
software  products  do not use  date  data  and are  year  2000  compliant.  Our
biopharmaceutical  products  do not have any year  2000  exposure.  The team has
reviewed  the year 2000  compliance  status of our  major  internal  information
technology  programs  and  systems  used  for  administrative  requirements  and
determined  that these  systems are year 2000  compliant.  We have  reviewed the
computer  systems  used to control our  analytical  instruments  and  production
equipment. Due to the recent design of our equipment, the embedded computers are
year 2000 compliant. We believe that the expense of


                                       12

<PAGE>



repairing or replacing any undetected year 2000 defects will not be material. We
believe that we can resolve our significant internal year 2000 compliance issues
before the year 2000 with  expenditures  that are currently  estimated not to be
material.  If we do not achieve on a timely basis year 2000  compliance  for our
internal systems, our operations and business could be adversely affected.

With respect to our suppliers,  we do not currently process orders, payments and
other business communications electronically from computer to computer. However,
if our  suppliers'  and  ultimate  customers'  own systems are not yet year 2000
compliant,  their disruptions could have a significant direct or indirect impact
on our  operations  and business.  The following  consequences  of the year 2000
problem could disrupt our business:

    .   Financial  institutions  may  not be  able  to  process  checks,  accept
        deposits,   provide  records,   process  wire  transfers  provide  stock
        ownership  and  transfer  records or  facilitate  many  other  financial
        transactions and services.

    .   Suppliers  may not be  able to  process  orders,  manufacture  products,
        deliver in accordance with production  schedules,  or in general provide
        the current level of timely products and services.

    .  Voice and data communication systems used by us
        and our customers and suppliers might be
        disrupted.

    .  Health care suppliers and third-party payors
        may be unable to process  patient records, add to
        or  modify the content of their pharmacy
        authorizations, accept or make payments, and
        handle the many  other data requirements of
        the modern health care system. The added costs
        for back-up systems, for temporary or
        emergency fixes and the ongoing requirements to
        handle critical functions on a timely  basis
        combined with the resultant managerial
        distractions may delay the review and delay
        our introduction of new drugs and therapeutic
        practices.












                          13

<PAGE>



                                  RISK FACTORS



If we continue to incur operating  losses for a period longer than  anticipated,
we may be unable to continue our operations.

We are in an early stage of development and have operated at a net loss since we
were  formed.  Since we began  operations  in March 1997,  we have been  engaged
primarily in research and development. We have no sales revenues from any of our
drug  products.  As  of  June  30,  1999,  we  had  an  accumulated  deficit  of
approximately  $26.5 million.  We expect to continue to operate at a net loss at
least through the calendar year 2000.  Our future  profitability  depends on our
receiving  regulatory  approval  of our  drug  candidates  and  our  ability  to
successfully  manufacture and market any approved drugs,  either by ourselves or
jointly  with  others.  The  extent  of our  future  losses  and the  timing  of
profitability  are  highly  uncertain.  If we fail to become  profitable  or are
unable to sustain  profitability on a quarterly or annual basis,  then we may be
unable to continue our operations.

Because of the  relative  small size and scale of our  wholly-owned  subsidiary,
Glyko,  Inc.,  profits  from  products  and  services  offered  by  it  will  be
insufficient to offset the expenses associated with our pharmaceutical business.
As a result,  we expect that operating losses will continue and increase for the
foreseeable future.

If we fail to obtain the capital  necessary  to fund our  operations  we will be
unable to complete our product development programs.

In the  future,  we may need to raise  substantial  additional  capital  to fund
operations.  We cannot be certain  that any  financing  will be  available  when
needed. If we fail to raise additional  financing as we need it, we will have to
delay or terminate our product development programs.

We expect to continue to spend substantial amounts of capital for our operations
for  the  foreseeable   future.   Activities   which  will  require   additional
expenditures include:

    .  research and development programs

    .  preclinical studies and clinical trials

    .  regulatory processes

    .  establishment of commercial scale manufacturing
        capabilities and

    .  expansion of sales and marketing activities.

The amount of capital we may need depends on many factors, including:

    .  The progress, timing and scope of our research
        and development programs

    .  The progress, timing and scope of our
        preclinical studies and clinical trials

    .  The time and cost necessary to obtain
        regulatory approvals

    .  The time and cost necessary to build our
        manufacturing facilities and obtain the necessary
        regulatory approvals for those facilities

    .  The time and cost necessary to respond to
        technological and market developments

    .  Any changes made or new developments in our
        existing collaborative, licensing and other commercial
        relationships

                                       14

<PAGE>




    .  Any new collaborative, licensing and other
        commercial relationships that we may establish

Moreover,   our  fixed  expenses  such  as  rent,  license  payments  and  other
contractual  commitments are substantial and will increase in the future.  These
fixed expenses will increase because we may enter into:

    .  additional leases for new facilities and
        capital equipment

    .  additional licenses and collaborative agreements

    .  additional contracts for consulting,
        maintenance and administrative services

    .  additional expenses associated with being a
        public company.

We believe that the net proceeds of our initial public  offering,  together with
our available  cash,  cash  equivalents,  short-term  investment  securities and
investment  income,  will  be  sufficient  to meet  our  operating  and  capital
requirements  through at least the next 12  months.  This  estimate  is based on
assumptions  which may prove to be wrong.  As a result,  we may need  additional
financing prior to that time.

If we fail to obtain regulatory approval to commercially manufacture or sell any
of our future drug  products,  or if  approval is delayed,  we will be unable to
generate revenue from the sale of our products.

We must obtain regulatory approval to market our products in the U.S. and
foreign jurisdictions.

We must obtain  regulatory  approval before marketing or selling our future drug
products. In the United States, we must obtain U.S. Food and Drug Administration
(FDA) approval for each drug that we intend to  commercialize.  The FDA approval
process is  typically  lengthy and  expensive,  and  approval is never  certain.
Products  distributed abroad are also subject to foreign government  regulation.
None of our drug products has received  regulatory  approval to be  commercially
marketed and sold. If we fail to obtain regulatory approval we will be unable to
market and sell our future  drug  products.  We have  several  drug  products in
various stages of preclinical and clinical  development.  BM101,  our first drug
product,  is not expected to be commercially  available until at least 2000. Our
other drug product will not be commercially  available for at least several more
years. Because of the risks and uncertainties in biopharmaceutical  development,
our drug candidates  could take a  significantly  longer time to gain regulatory
approval than we expect or may never gain  approval.  If regulatory  approval is
delayed our management's credibility, the value of our company and our operating
results may be adversely affected.

To obtain regulatory  approval to market our products,  preclinical  studies and
costly and  lengthy  clinical  trials  may be  required  and the  results of the
studies and trials are highly uncertain.

As part of the FDA  approval  process,  we  must  conduct,  at our own  expense,
preclinical  studies  on  animals  and  clinical  trials  on humans on each drug
candidate.  We expect the number of preclinical studies and clinical trials that
the FDA will require will vary  depending  on the drug  product,  the disease or
condition the drug is being developed to address and  regulations  applicable to
the particular drug. We may need to perform multiple  preclinical  studies using
various doses and formulations before we can begin clinical trials,  which could
result in delays in our ability to market any of our drug products.

Furthermore,  even if we obtain  favorable  results  in  preclinical  studies on
animals,  the  results  in  humans  may be  different.  After we have  conducted
preclinical  studies in animals we must  demonstrate  that our drug products are
safe and  effective  for use on the target  human  patients  in order to receive
regulatory  approval  for  commercial  sale.  Adverse or  inconclusive  clinical
results  would stop us from  filing for  regulatory  approval  of our  products.
Additional  factors that can cause delay or termination  of our clinical  trials
include:

    .  Slow patient enrollment

    .  Longer treatment time required to demonstrate
        efficacy

    .  Lack of sufficient supplies of the drug
        candidate


                                       15

<PAGE>




    .  Adverse medical events or side effects in
        treated patients

    .  Lack of effectiveness of the drug candidate
        being tested

Typically,  if a drug product is intended to treat a chronic  disease safety and
efficacy data must be gathered over an extended period of time which ranges from
six months to three years. In addition,  clinical trials on humans are typically
conducted in three  phases.  The FDA  generally  requires  two pivotal  clinical
trials  that  demonstrate  substantial  evidence  of  safety  and  efficacy  and
appropriate dosing in a broad patient population at multiple sites to support an
application for regulatory approval.  If a drug is intended for the treatment of
a serious or life-threatening  condition and the drug demonstrates the potential
to  address  unmet  medical  needs  for this  condition,  a single  trial may be
sufficient  to prove safety and efficacy  under the FDA's  Modernization  Act of
1997.

Our strategy to conduct  only one  clinical  trial on a small number of patients
for products  developed to treat  genetic  disorders  may not be  sufficient  to
obtain regulatory approval.

We  believe  that our  enzyme  drug  products  will be  regulated  by the FDA as
biologics  rather  than  drugs  because  they  are  manufactured  by  biological
processes.  Our  strategy  for  the  development  of  therapeutics  for  genetic
disorders is to conduct  only one clinical  trial on a small number of patients,
which  would  then  be the  basis  for our  submission  of a  biologics  license
application  (BLA) to the FDA.  For  example,  at the end of  October  1998,  we
completed a six-month  evaluation  of ten  patients on our first drug  candidate
BM101.  Because  12-month data will be available,  the FDA has requested that we
evaluate  data for  these  patients  for the  12-month  period  rather  than the
six-month period which formed the basis of our initial  evaluation.  In addition
the FDA has also  requested that we evaluate this data using other criteria that
may  demonstrate  that the  surrogate  endpoints  are a  predictor  of  clinical
benefit. We are currently performing this evaluation.  We cannot assure you that
this evaluation  will support our findings with regard to the primary  endpoints
in the clinical  trial.  If this  analysis  does not support our  findings  with
regard to the primary endpoints,  or if the surrogate endpoints do not predict a
clinical benefit, it could delay the filing of the biologics license application
and could  jeopardize  FDA  approval of BM101.  The FDA may  request  additional
trials to be conducted.  If we have to conduct further clinical trials,  whether
for BM101 or other  products  we develop in the future,  it would  significantly
increase our expenses and delay  marketing of our product.  Also, the results of
initial  smaller  clinical  trials could differ from the results  obtained  from
subsequent  more extensive  long-term  trials.  A significant  difference in the
results of multiple  clinical  trials could cause the FDA to require  still more
clinical trials which would significantly delay the approval process.

The fast track  designation  for BM101 may not actually  lead to a faster review
process.

Although  BM101 has  obtained a fast track  designation,  we cannot  guarantee a
faster review process or faster approval  compared to the normal FDA procedures.
If BM101 is  approved,  we will be  required  to conduct a study after we obtain
approval of BM101 to demonstrate  that the primary  endpoints used in our single
study are reasonably  likely to predict  clinical  benefits to the patients.  If
this  post-approval  study  fails to verify  the  clinical  benefit  of BM101 or
demonstrates  that  BM101  is not safe or  effective,  our FDA  approval  can be
withdrawn on an expedited basis. Furthermore,  if adverse effects are identified
after marketing, FDA approval may be rapidly revoked and we could not market the
drug.

We will not be able to sell our products if we fail to comply with manufacturing
regulations.

Before we can begin  commercially  manufacturing  our  products  we must  obtain
regulatory  approval of our  manufacturing  facility and  process.  In addition,
manufacture  of our drug  products  must  comply  with the  FDA's  current  Good
Manufacturing   Practices   regulations,   commonly  known  as  cGMP.  The  cGMP
regulations  govern quality control and  documentation  policies and procedures.
Our manufacturing  facilities are continuously subject to inspection by the FDA,
the State of California  and foreign  regulatory  authorities,  before and after
product  approval.  Because we are  currently in the process of  developing  the
manufacturing site and process for commercial manufacture of BM101, our facility
has not yet been inspected by any governmental  entity. We cannot guarantee that
BioMarin, or any potential third- party manufacturer of our drug products,  will
be able to comply with cGMP  regulations.  Material changes to the manufacturing
processes  after  approvals  have been  granted  are also  subject to review and
approval by the FDA or other regulatory agencies.


                                       16

<PAGE>




We currently have a contract with Harbor-UCLA  Research and Education  Institute
to manufacture  BM101 in limited  quantities for use in preclinical  studies and
clinical trials. In order to produce initial  commercial  requirements for BM101
in our  facility  we will have to prove  that the  product  manufactured  at our
facility is  comparable to the clinical  trial  product  produced in the Harbor-
UCLA facility.  This will require  laboratory  testing and may require  clinical
trials.  We must pass FDA and state  inspections and  manufacture  three process
qualification  batches to final  specifications  under cGMP controls  before the
BM101  BLA  can be  approved.  We  cannot  assure  you  that we  will  pass  the
inspections in a timely manner, if at all.

If we fail to obtain orphan drug  exclusivity for our products,  our competitors
may sell products to treat the same conditions and our revenues may be reduced.

As part of our  business  strategy,  we  intend  to  develop  drugs  that may be
eligible for FDA orphan drug designation. Under the Orphan Drug Act, the FDA may
designate a product as an orphan  drug if it is a drug  intended to treat a rare
disease or condition,  defined as a patient population of less than 200,000. The
company that  obtains the first FDA approval for a designated  orphan drug for a
given rare disease receives  marketing  exclusivity for use of that drug for the
stated  condition for a period of seven years.  However,  different drugs can be
approved for the same condition.

Because the extent and scope of patent  protection  for our drug  candidates  is
limited, orphan drug designation is particularly important for our products that
are eligible  for orphan drug  designation.  We plan to rely on the  exclusivity
period under the orphan drug designation to maintain a competitive  position. If
we do not obtain orphan drug  exclusivity for any one of our drug products,  our
competitors may then sell the same drug to treat the same condition.

We received orphan drug designation from the FDA for BM101 in September 1997. In
February 1999, we received orphan drug designation from the FDA for BM102.  Even
if we obtain orphan drug  designation,  we cannot  guarantee that we will be the
first to obtain marketing approval for any orphan indication or that exclusivity
would effectively protect the product from competition.  Orphan drug designation
does not shorten the  development or FDA review time of a drug so designated nor
give the drug any advantage in the FDA review or approval process.

Because  the  target  patient  populations  for our  products  are small we must
achieve  significant  market  share and obtain high per  patient  prices for our
products to achieve profitability.

Our initial drug candidates target disorders with small patient populations.  As
a result,  our prices must be high enough to recover our  development  costs and
achieve profitability.  For example, two of our initial drug products in genetic
disorders, BM101 and BM102, target patients with MPS-I and MPS-VI, respectively.
We estimate  that there are  approximately  3,400  patients with MPS-I and 1,100
patients  with MPS-VI in the  developed  world.  We believe that we will need to
market  worldwide to achieve  significant  market  share.  In  addition,  we are
developing  other drug  candidates  to treat  conditions,  such as other genetic
diseases and serious burns, with small patient populations. We cannot be certain
that we will be able to obtain  sufficient market share for our drug products at
a price high enough to justify our product development efforts.

If we fail to obtain an adequate level of reimbursement for our drug products by
third-party  payors  there  would  be no  commercially  viable  markets  for our
products.

The course of treatment  for  patients  with MPS-I using BM101 is expected to be
expensive.  We expect patients to need treatment throughout their lifetimes.  We
expect  that  families  of  patients  will not be  capable  of  paying  for this
treatment  themselves.  There will be no  commercially  viable  market for BM101
without reimbursement from third-party payors.

Third-party  payors,  such  as  government  or  private  health  care  insurers,
carefully  review  and  increasingly  challenge  the price  charged  for  drugs.
Reimbursement  rates from private  companies vary  depending on the  third-party
payor,  the  insurance  plan  and  other  factors.   Reimbursement   systems  in
international   markets  vary  significantly  by  country  and  by  region,  and
reimbursement  approvals  must be obtained  on a  country-by-country  basis.  We
cannot be certain  that  third-party  payors will pay for the costs of our drugs
and the courses of treatment. Even if we are able to obtain


                                       17

<PAGE>



reimbursement  from third-party  payors, we cannot be certain that reimbursement
rates will be enough to allow us to profit from sales of our drugs.

We currently have no expertise obtaining reimbursement. We expect to rely on the
expertise of our partner  Genzyme to obtain  reimbursement  for BM101. We cannot
predict  what the  reimbursement  rates  will be. In  addition,  we will need to
develop our own  reimbursement  expertise for future drug  candidates  unless we
enter into collaborations with other companies with the necessary expertise.

We expect that in the future reimbursement will be increasingly  restricted both
in the United States and internationally. The escalating cost of health care has
led  to  increased  pressure  on the  health  care  industry  to  reduce  costs.
Governmental  and private  third-party  payors have proposed health care reforms
and cost reductions. A number of federal and state proposals to control the cost
of health  care,  including  the cost of drug  treatments  have been made in the
United States.  In some foreign  markets,  the  government  controls the pricing
which would affect the profitability of drugs.  Current  government  regulations
and  possible  future  legislation  regarding  health care may affect our future
revenues  from  sales of our drugs and may  adversely  affect our  business  and
prospects.

If we are unable to protect  our  proprietary  technology  we may not be able to
compete as effectively.

Where  appropriate,  we  seek  patent  protection  for  certain  aspects  of our
technology.  Meaningful  patent  protection may not be available for some of the
enzymes  we  are  developing,  including  BM101  and  BM102.  If we  must  spend
significant time and money protecting our patents, designing around patents held
by others or licensing, for excessively large fees, patents or other proprietary
rights held by others, our business and prospects may be harmed.

The patent  positions  of  biotechnology  companies  are  extremely  complex and
uncertain.  The scope and extent of patent  protection  for some of our products
are particularly uncertain because key information on some of the enzymes we are
developing  has existed in the public domain for many years.  Other parties have
published the  structure of the enzymes,  the methods for purifying or producing
the enzymes or the methods of treatment.  The composition and genetic  sequences
of animal  and/or  human  versions of many of our enzymes,  including  those for
BM101  and  BM102,  have  been  published  and  are in the  public  domain.  The
composition  and  genetic  sequences  of other  MPS  enzymes  which we intend to
develop as products have also been  published.  Publication of this  information
may prevent us from obtaining composition of matter patents, which are generally
believed to offer the strongest patent protection.  For enzymes with no prospect
of composition of matter patents, we will depend on orphan drug status.

In  addition,  our owned and  licensed  patents and patent  applications  do not
ensure  the  protection  of our  intellectual  property  for a  number  of other
reasons:

    .  We do not know whether our patent applications
       will result in actual patents.  For example,  we may not have developed a
       method for treating a disease before others developed similar methods.

    .  Competitors may interfere with our patent
       process in a variety of ways.  Competitors  may claim that they  invented
       the claimed invention prior to us. Competitors may also claim that we are
       infringing on their patents and therefore  cannot practice our technology
       as claimed under our patent.  Competitors may also contest our patents by
       showing the patent examiner that the invention was not original, novel or
       was  obvious.  As a  Company,  we  have  no  meaningful  experience  with
       competitors interfering with our patents or patent applications.

    .  Even  if  we  receive  a  patent,  it  may  not  provide  much  practical
       protection.  If we receive a patent with a narrow scope,  then it will be
       easier for  competitors  to design  products  that do not infringe on our
       patent.


                                       18


<PAGE>




    .  Enforcing patents is expensive and may absorb
       significant  time by our management.  In litigation,  a competitor  could
       claim that our issued  patents are not valid for a number of reasons.  If
       the court agrees, we would lose that patent.

In addition, competitors also seek patent protection for their technology. There
are many patents in our field of technology,  and we cannot guarantee that we do
not infringe on those patents or that we will not infringe on patents granted in
the future.  If a patent holder believes our product  infringes on their patent,
the patent holder may sue us even if we have received patent  protection for our
technology.  If someone  else claims we infringe on their  technology,  we would
face a number of issues, including:

    .  Defending a lawsuit takes significant time and
       can be very expensive.

    .  If the court  decides  that our  product  infringes  on the  competitor's
       patent, we may have to pay substantial damages for past infringement.

    .  The court may prohibit us from selling or  licensing  the product  unless
       the patent  holder  licenses  the patent to us. The patent  holder is not
       required to grant us a license. If a license is available, we may have to
       pay substantial royalties or grant cross-licenses to our patents.

    .  Redesigning our product so it does not infringe may not be possible
       and could require substantial funds and time.

It is also unclear  whether our trade  secrets will provide  useful  protection.
While we use reasonable  efforts to protect our trade secrets,  our employees or
consultants  may  unintentionally  or  willfully  disclose  our  information  to
competitors. Enforcing a claim that someone else illegally obtained and is using
our trade secrets, like patent litigation,  is expensive and time consuming, and
the outcome is unpredictable.  In addition, courts outside the United States are
sometimes  less  willing  to  protect  trade  secrets.   Our   competitors   may
independently develop equivalent knowledge, methods and know-how.

We may  also  support  and  collaborate  in  research  conducted  by  government
organizations  or by  universities.  We cannot guarantee that we will be able to
acquire  any  exclusive  rights to  technology  or products  derived  from these
collaborations.  If we do not  obtain  required  licenses  or  rights,  we could
encounter delays in product  development while we attempt to design around other
patents or even be prohibited from developing, manufacturing or selling products
requiring these licenses. There is also a risk that disputes may arise as to the
rights to technology or products developed in collaboration with other parties.

If our joint  venture  with  Genzyme  were  terminated,  we could be barred from
commercializing BM101 or our ability to commercialize BM101 would be delayed.

We are relying on Genzyme to apply the  expertise it has  developed  through the
launch and sale of Ceredase(R) and Cerezyme(R)  enzymes for Gaucher  disease,  a
rare genetic  disorder,  to the  marketing of our initial drug  product,  BM101.
Because it is our initial product,  our operations are  substantially  dependent
upon the  development  of BM101.  We have no  experience  selling,  marketing or
obtaining  reimbursement  for  pharmaceutical  products.  In  addition,  without
Genzyme we would be required to pursue foreign regulatory approvals.  We have no
experience in seeking foreign regulatory approvals.

We cannot  guarantee  that  Genzyme  will  devote  the  resources  necessary  to
successfully  market  BM101.  In addition,  either party may terminate the joint
venture  for  specified  reasons,  including  if the other  party is in material
breach of the  agreement or has  experienced a change of control or has declared
bankruptcy  and  also is in  breach  of the  agreement.  Either  party  may also
terminate the agreement  upon one year prior written notice for any reason after
the earlier of December  31, 2000 or after the joint  venture has  received  the
FDA's approval of the biologics license



                                       19

<PAGE>






application  for  BM101.  Furthermore,  we may  terminate  the joint  venture if
Genzyme fails to fulfill its contractual obligation to pay us $12.1 in cash upon
the approval of the biologics license application for BM101.

Upon  termination  of the joint venture one party must buy out the other party's
interest in the joint  venture.  The party who buys out the other will then also
obtain,  exclusively,  all rights to BM101 and any related intellectual property
and regulatory approvals.

If the joint venture is terminated by Genzyme for a breach on our part,  Genzyme
would be  granted,  exclusively,  all of the  rights  to BM101  and any  related
intellectual property and regulatory approvals and would be obligated to buy out
our  interest  in the joint  venture.  We would  then  effectively  be unable to
develop and commercialize BM101. If we terminated the joint venture for a breach
by Genzyme,  we would be  obligated to buy out  Genzyme's  interest in the joint
venture and, we would then be granted all of these rights to BM101  exclusively.
While we could then continue to develop BM101,  that development would be slowed
because  we  would  have to  divert  substantial  capital  to buy out  Genzyme's
interest in the joint venture and would then have to search for a new partner to
commercialize  the  product and to obtain  foreign  regulatory  approvals  or to
develop these capabilities ourselves.

If the joint venture is terminated by us without  cause,  Genzyme would have the
option,  exercisable  for one year, to  immediately  buy out our interest in the
joint  venture and obtain all rights to BM101  exclusively.  If the agreement is
terminated by Genzyme without cause,  we would have the option,  exercisable for
one year, to  immediately  buy out  Genzyme's  interest in the joint venture and
obtain these  exclusive  rights.  In event of  termination of the buy out option
without exercise by the non-terminating  party as described above, all right and
title to BM101 is to be sold to the  highest  bidder,  with the  proceeds  to be
split equally between Genzyme and us.

If the joint venture is terminated by us because Genzyme fails to make the $12.1
million payment to us upon FDA approval of the biologics license application for
BM101, we would be obligated to buy Genzyme's  interest in the joint venture and
would obtain all rights to BM101 exclusively. If the joint venture is terminated
by either party because the other  declared  bankruptcy and is also in breach of
the agreement, the terminating party would be obligated to buy out the other and
would obtain all rights to BM101 exclusively. If the joint venture is terminated
by a party  because  the  other  party  experienced  a change  of  control,  the
terminating  party shall notify the other party,  the offeree,  of its intent to
buy out the  offeree's  interest in the joint venture for a stated amount set by
the  terminating  party at its  discretion.  The offeree must then either accept
this offer or agree to buy the terminating party's interest in the joint venture
on those same terms.  The party who buys out the other would then have exclusive
rights to BM101.

We cannot  assure you that if the joint venture were  terminated  and if we were
obligated,  or given the  option,  to buy out  Genzyme's  interest  in the joint
venture,  and gain exclusive rights to BM101, that we will have sufficient funds
to do so or that we will be able to obtain the financing to do so. If we fail to
buy out  Genzyme's  interest we may be held in breach of the  agreement  and may
lose any claim to the rights to BM101 and the related intellectual  property and
regulatory  approvals.  We would then  effectively be prohibited from developing
and commercializing the product.

Termination of the joint venture where we retain the rights to BM101 could cause
us significant  delays in product launch in the United States,  difficulties  in
obtaining  third-party  reimbursement  and delays or  failure to obtain  foreign
regulatory  approval,  any of which  could  hurt our  business  and  results  of
operations.  Since Genzyme funds 50% of the joint venture's  operating expenses,
the  termination  of the joint  venture  would double our  financial  burden and
reduce the funds available to us for other product programs.

If we are unable to manufacture  our drug products in sufficient  quantities and
at  acceptable  cost,  we may be unable to meet demand for our products and lose
potential revenues.

We have no  experience  manufacturing  drug  products  in  volumes  that will be
necessary to support  commercial sales. Our unproven  manufacturing  process may
not meet initial expectations as to schedule, reproducibility,




                                       20

<PAGE>



yields,   purity,   costs,  quality,  and  other  measurements  of  performance.
Improvements in manufacturing  processes typically are very difficult to achieve
and are often very  expensive.  We cannot  know with any  certainty  how long it
might take to make  improvements if it became necessary to do so. If we contract
for manufacturing  services with an unproven process,  our contractor is subject
to the same uncertainties, high standards and regulatory controls.

If we are unable to establish and maintain commercial scale manufacturing within
our planned time and cost  parameters,  sales of our products and our  financial
performance will be adversely affected.

We may  encounter  problems  with any of the following if we attempt to increase
the scale or size of manufacturing:

    .  Design, construction and qualification of manufacturing facilities
       that meet regulatory requirements

    .  Production yields

    .  Purity

    .  Quality control and assurance

    .  Shortages of qualified personnel

    .  Compliance with FDA regulations

We are developing a total of 31,000 square feet of space at two facilities,  one
in Novato and one in Torrance,  for the manufacture of BM101.  The  construction
and  qualification  of these  facilities  may take longer  than  planned and the
actual  construction costs of these facilities may be higher than those which we
have  budgeted.  We  expect  that the  manufacturing  process  of all of our new
products,  including BM102, will also require lengthy development time before we
can begin  manufacturing them in commercial  quantity.  Even if we can establish
this  capacity,   we  cannot  be  certain  that  manufacturing   costs  will  be
commercially reasonable, especially if reimbursement is substantially lower than
expected.

In  order  to  achieve  our  product  cost  targets  we must  develop  efficient
manufacturing processes either by

    .  improving the colonies of cells which have a common genetic make-up,
       or cell lines,

    .  improving the processes licensed from others, or

    .  developing a recombinant cell line and production processes.

A recombinant  cell line is a cell line with foreign DNA inserted  which is used
to  produce a protein  that it would not have  otherwise  produced  and  related
purification.  The  development of a stable,  high  production cell line for any
given enzyme is risky,  expensive and  unpredictable  and may not yield adequate
results.  In addition,  the  development  of protein  purification  processes is
difficult and may not produce the high purity required with acceptable yield and
costs.  If we are not able to develop  efficient  manufacturing  processes,  the
investment in manufacturing capacity sufficient to satisfy market demand will be
much  greater  and will  place  heavy  financial  demands  upon us. If we do not
achieve our manufacturing  cost targets,  we will have lower margins and reduced
profitability  in  commercial  production  and greater  losses in  manufacturing
start-up phases.

If we are unable to increase our marketing and  distribution  capabilities or to
enter into  agreements  with third  parties  to do so, our  ability to  generate
revenues will be diminished.

If we cannot increase our marketing  capabilities either by developing our sales
and marketing organization or by entering into agreements with others, we may be
unable to successfully  sell our products.  If we are unable to effectively sell
our drug products, our ability to generate revenues will be diminished.


                                       21


<PAGE>




To increase our  distribution and marketing for both our drug candidates and our
Glyko,  Inc.  products,  we will have to increase our current sales force and/or
enter  into  third-party  marketing  and  distribution  agreements.   We  cannot
guarantee that we will be able to hire in a timely manner,  the qualified  sales
and marketing  personnel we need if at all. Nor can we guarantee that we will be
able to enter into any marketing or distribution agreements on acceptable terms,
if at all. If we cannot increase our marketing capabilities as we intend, either
by increasing  our sales force or entering into  agreements  with third parties,
sales of our products may be adversely affected.

We have recently entered into a joint venture with Genzyme where Genzyme will be
responsible for marketing and  distributing  BM101. We cannot  guarantee that we
will be able to establish sales and distribution  capabilities or that BioMarin,
the joint venture or any future  collaborators will successfully sell any of our
drug candidates.

If we fail to compete  successfully,  our revenues and operating results will be
adversely affected.

Our  competitors  may develop,  manufacture  and market  products  that are more
effective or less expensive than ours. They may also obtain regulatory approvals
for their  products  faster  than we can  obtain  them,  including  orphan  drug
designation,  or  commercialize  their products before we do. If our competitors
successfully  commercialize  a product which treats a given rare genetic disease
before we do, we will  effectively  be  precluded  from  developing a product to
treat that disease because the patient  populations of the rare genetic diseases
are so  small.  These  companies  also  compete  with  us to  attract  qualified
personnel and parties for acquisitions,  joint ventures or other collaborations.
They also compete with us to attract academic research  institutions as partners
and to license these institution's  proprietary  technology.  If our competitors
successfully  enter into  partnering  arrangements  or license  agreements  with
academic  research  institutions,  we will then be precluded from pursuing those
specific opportunities.  Since each of these opportunities is unique, we may not
be able to find a substitute. Several pharmaceutical and biotechnology companies
have  already  established  themselves  in the  field  of  enzyme  therapeutics,
including Genzyme, our joint venture partner. These companies have already begun
many drug  development  programs,  some of which may target diseases that we are
also  targeting,   and  have  already  entered  into  partnering  and  licensing
arrangements with academic research institutions, reducing the pool of available
opportunities.

Universities and public and private research  institutions are also competitors.
While  these  organizations  primarily  have  educational  objectives,  they may
develop  proprietary  technology  and acquire  patents  that we may need for the
development  of our drug products.  We will attempt to license this  proprietary
technology,  if  available.  These  licenses  may  not  be  available  to  us on
acceptable  terms,  if at all. We also  directly  compete with a number of these
organizations to recruit personnel, especially scientists and technicians.

We believe that established  technologies  provided by other companies,  such as
laboratory  and testing  services  firms compete with Glyko Inc.'s  products and
services.  For  example,   Glyko,  Inc.'s  FACE  Imaging  System  competes  with
alternative   carbohydrate   analytical   technologies,    including   capillary
electrophoresis,  high-pressure  liquid  chromatography,  mass  spectrometry and
nuclear magnetic  resonance  spectrometry.  These competitive  technologies have
established  customer  bases and are more widely used and accepted by scientific
and  technical   personnel  because  they  can  be  used  for   non-carbohydrate
applications.  Companies  competing with Glyko, Inc. may have greater financial,
manufacturing and marketing resources and experience.

If we fail to manage  our growth or fail to recruit  and retain  personnel,  our
product development programs may be delayed.

Our rapid growth has strained our managerial,  operational,  financial and other
resources.  We expect this growth to continue.  We recently entered into a joint
venture  with  Genzyme.  If we receive FDA approval to market  BM101,  the joint
venture  will  be  required  to  devote  additional  resources  to  support  the
commercialization of BM101.

To manage expansion effectively,  we need to continue to develop and improve our
operating and financial  systems,  sales and marketing  capabilities.  We cannot
guarantee  that our systems,  procedures or controls will be adequate to support
our operations or that our management will be able to manage successfully future
market  opportunities  or our  relationships  with  customers  and  other  third
parties.




                                       22

<PAGE>



Our future growth and success depend on our ability to recruit,  retain,  manage
and motivate our employees. The loss of key scientific, technical and managerial
personnel may delay our product development  programs.  Any harm to our research
and development programs would harm our business and prospects.

Because of the specialized scientific nature of our business, we rely heavily on
our ability to attract and retain qualified scientific, technical and managerial
personnel. In particular,  the loss of Grant W. Denison, Jr., Chairman and Chief
Executive Officer,  John C. Klock, M.D.,  President and Secretary or Christopher
M.  Starr,   Ph.D.,  Vice  President  for  Research  and  Development  would  be
detrimental  to us. While each of these  individuals  is party to an  employment
agreement  with us,  which  includes  financial  incentives  for each of them to
remain  employed with us, these  agreements  each  terminate in June 2000 and we
cannot guarantee that any of them will remain employed with us beyond that time.
In addition,  these  agreements do not restrict their ability to compete with us
after their employment is terminated. The competition for qualified personnel in
the  biopharmaceutical  field is  intense.  We  cannot be  certain  that we will
continue to attract and retain qualified personnel necessary for the development
of our business.

If product liability lawsuits are successfully  brought against us, we may incur
substantial liabilities.

We are exposed to the potential product liability risks inherent in the testing,
manufacturing  and  marketing  of human drug  treatments.  We  currently  do not
maintain  insurance against product liability  lawsuits.  The joint venture with
Genzyme maintains clinical  liability  insurance for BM101 which covers clinical
trials of that  product,  since  their  inception.  Although we intend to obtain
product liability  insurance before for our clinical trials of BM102 and shortly
before initiating  clinical trials for our other products,  we cannot be certain
that we will be able to obtain adequate insurance coverage.  In addition, we may
be subject to claims in connection  with our current  clinical  trials for BM101
for which current insurance coverage is not adequate.  We cannot be certain that
if BM101  receives  FDA  approval,  the product  liability  insurance  the joint
venture will need to obtain in  connection  with the  commercial  sales of BM101
will be available at a reasonable  cost. In addition,  we cannot be certain that
we can successfully  defend any product liability lawsuit brought against us. If
we are the subject of a successful  product  liability  claim which  exceeds the
limits  of any  insurance  coverage  we may  obtain,  we may  incur  substantial
liabilities which would adversely affect our earnings and financial condition.

If we experience  any problems with Year 2000  compliance  our operations may be
disrupted.

The following is intended to constitute "Year 2000 Readiness  Disclosure"  under
the Year 2000 Information and Readiness Disclosure Act of 1998.

Beginning in the year 2000, the date fields coded in certain  software  products
and  computer  systems  will  need to  accept  four  digit  entries  in order to
distinguish  21st century dates from 20th century dates  (commonly  known as the
year 2000  problem).  It is not clear what  potential  problems may arise as the
biopharmaceutical  industry, and other industries, try to resolve this year 2000
problem.

It is possible that our currently installed computer systems,  software products
or other  business  systems,  or those of our  suppliers  or service  providers,
working either alone or in conjunction with other software or systems,  will not
accept input of, store,  manipulate and output dates for the years 1999, 2000 or
subsequent years without error or interruption.  We have formed a team to review
and resolve  those  aspects of the year 2000  problem that are within our direct
control and adjust to or influence  those aspects that are not within our direct
control.  The team has  reviewed our software  products,  including  those under
development,  and determined that our software products do not use date data and
are year 2000  compliant.  Our  biopharmaceutical  products do not have any year
2000 exposure.  Based on representations from our vendors, the team has reviewed
the year 2000  compliance  status of our major internal  information  technology
programs and systems used for  administrative  requirements  and determined that
they are year 2000 compliant.

Some risks  associated  with the year 2000  problem  are  beyond our  ability to
control,  including the extent to which our suppliers and service  providers can
address  the year 2000  problem.  The  failure  by a third  party to  adequately
address  the year 2000 issue could have an adverse  effect on their  operations,
which could have an adverse effect on us. We are assessing the possible  effects
on our  operations of the possible  failure of our key suppliers and  providers,
contractors  and  collaborators  to  identify  and  remedy  potential  year 2000
problems.



                                       23


<PAGE>



Our stock price may be volatile and your  investment in our stock could suffer a
decline in value.

Prior to our initial public offering  effective July 23, 1999, there has been no
public  market for our common  stock.  The  initial  public  offering  price was
negotiated  among the  underwriters  and us and may not be  indicative of prices
that will prevail in the trading  markets after the offering.  Our valuation and
the initial  public  offering  stock price have no  meaningful  relationship  to
current or historical  earnings,  asset values, book value or any other criteria
of value.  The market price of the common stock will fluctuate and may be higher
or lower than the initial public offering price due to factors including:

    .  Progress of BM101 and our other lead drug candidates through the
       regulatory process, especially BM101 regulutory actions in the United
       States

    .  Results of clinical trials, announcements of technological
       innovations or new products by us or our competitors

    .  Government regulatory action affecting our drug candidates or our
       competitors' drug candidates in both the United States and foreign
       countries

    .  Developments or disputes concerning patent or proprietary rights

    .  General market conditions for emerging growth and biopharmaceutical
       companies

    .  Economic conditions in the United States or abroad

   .  Actual or anticipated fluctuations in our operating results

    .  Broad market fluctuations may cause the market price of our common
       stock to fluctuate

    .  Changes in financial estimates by securities analysts

In addition, the value of our common stock may fluctuate because it is listed on
both the Nasdaq  National  Market and the Swiss  Exchange.  We cannot be certain
what  effect,  if any,  the dual  listing will have on the price of our stock in
either market. Listing on both exchanges may increase stock price volatility due
to:

    .  trading in different time zones

    .  different ability to buy or sell our stock

    .  different trading volume

In the past,  following  periods of large price  declines  in the public  market
price of a company's  securities,  securities class action  litigation has often
been  initiated  against that  company.  Litigation of this type could result in
substantial costs and diversion of management's  attention and resources,  which
would hurt our business.  Any adverse  determination  in  litigation  could also
subject us to significant liabilities.

If our officers,  directors and largest  stockholder  elect to act together they
may be able to  control  our  management  and  operations,  acting in their best
interests and not necessarily those of other stockholders.

Our directors and officers control approximately 10.8% of the outstanding shares
of our common stock.  Glyko  Biomedical owns 32.7% of the outstanding  shares of
capital stock. Three of six Glyko Biomedical directors are officers or directors
of  BioMarin.  As a  result,  due to their  concentration  of  stock  ownership,
directors and officers,


                                       24

<PAGE>



together with Glyko  Biomedical  if they act together,  may be able to otherwise
control our management and operations, and may be able to prevail on all matters
requiring a stockholder vote including:

    .  The election of all directors

    .  The amendment of charter documents or the approval of a merger, sale
       of assets or other major corporate transactions

    .  The defeat of any non-negotiated takeover attempt that might
       otherwise benefit the public stockholders

Anti-takeover  provisions in our charter  documents  and under  Delaware law may
make an  acquisition  of us, which may be beneficial to our  stockholders,  more
difficult.

BioMarin is  incorporated  in  Delaware.  Certain  anti-takeover  provisions  of
Delaware law and our charter  documents may make a change in control of BioMarin
more  difficult,  even  if a  change  in  control  would  be  beneficial  to the
stockholders. Our anti-takeover provisions include provisions in the certificate
of incorporation providing that stockholders' meetings may only be called by the
board of directors and a provision in the bylaws providing that the stockholders
may not take action by written  consent.  Additionally,  our board of  directors
have the authority to issue 1,000,000 shares of preferred stock and to determine
the  terms  of  those  shares  of  stock  without  any  further  action  by  the
stockholders.  The  rights of holders  of our  common  stock are  subject to the
rights of the holders of any preferred stock that may be issued. The issuance of
preferred  stock,  could make it more  difficult  for a third party to acquire a
majority  of the  outstanding  voting  stock  of  BioMarin.  Delaware  law  also
prohibits  corporations from engaging in a business combination with any holders
of 15% or more of their  capital  stock  until the holder has held the stock for
three years unless, among other  possibilities,  the board of directors approves
the  transaction.  The board of directors  may use these  provisions  to prevent
changes in the management  and control of our company.  Also,  under  applicable
Delaware law, our board of directors may adopt additional anti-takeover measures
in the future.

Item 3.  Quantitative and Qualitative Disclosure about
Market Risk.

The  Company's  exposure to market risk for  changes in interest  rates  relates
primarily  to  the  Company's  investment  portfolio.  The  Company  places  its
investments  with high credit  issuers and by policy limits the amount of credit
exposure to any one issuer.  As stated in its policy,  the Company  will improve
the safety and  likelihood  of  preservation  of its invested  funds by limiting
default  risk and market risk.  The Company has no  investments  denominated  in
foreign  country  currencies  and  therefore is not subject to foreign  exchange
risk.

The  Company  mitigates  default  risk  by  investing  in  high  credit  quality
securities  and by  positioning  its  portfolio  to respond  appropriately  to a
significant  reduction in a credit rating of any investment issuer or guarantor.
The  portfolio  includes only  marketable  securities  with active  secondary or
resales markets to ensure portfolio liquidity.

The  table  below  presents  the  carrying  value for the  Company's  investment
portfolio. The carrying value approximates fair value at June 30, 1999.

Investment portfolio:


                                                 Carrying value
                                                (in $ thousands)
                                                ----------------
Cash equivalents................................... $17,244*
Certificates of deposit............................     254
   Total............................................$17,498

* Includes $15,838 of United States agency securities.


                                       25


<PAGE>




                           PART II. OTHER INFORMATION

Item 1. Legal Proceedings.                                             None.

Item 2. Changes in Securities and Uses of Proceeds.

ISSUANCES OF UNREGISTERD SECURITES

During  the period  covered  by this  report,  registrant  issued the  following
unregistered securities:

From April 1 to June 30, 1999,  registrant  granted options to purchase  544,700
shares of common stock to  officers,  directors, employees  and  consultants  in
reliance on Rule 701 promulgated  under the Securities Act or in reliance on the
exemption  from the  regulation  requirements  provided  by Section  4(2) of the
Securities Act.

During the period  from April 1, to June 30,  1999,  options to  purchase  6,877
shares of common stock were exercised in reliance on Rule 701 promulgated  under
the  Securities  Act or in  reliance  on the  exemption  from  the  registration
requirements provided by Section 4(2) of the Securities Act.

On April 13, 1999,  registrant sold $26 million worth of notes  convertible into
registrants common stock, according to their terms, in reliance on the exemption
from  registration  requirements  provided  by  Regulation  D and  Regulation  S
promulgated under the Securities Act.

USES OF PROCEEDS

The effective date of registrant's  Registration  Statement on Form S-1 was July
22, 1999.  The offering  commenced on July 23, 1999 and  concluded on August 25,
1999. All of the securities  registered  under the  Registration  Statement were
sold in the offering.  The global  co-coordinators  of the offering were Bank J.
Vontobel & Co. AG and U.S. Bancorp Piper Jaffray Inc. The Registration Statement
covered the sale of 4,500,000  shares of  registrant's  Common Stock,  par value
$0.001  per  share,  as well as the  sale of an  additional  675,000  shares  of
registrant's  Common  Stock  upon  the  exercise  by the  underwriters  of their
over-allotment  option.  The  aggregate  offering  price of the number of shares
registered  in the offering was  $67,275,000.  A total of 5,175,000  shares were
sold in the offering, the aggregate price of which was $67,275,000.

As of September 1, 1999, the expenses  incurred by registrant in connection with
the  issuance  and   distribution  of  the  securities   registered   (including
underwriters'  discounts and  commissions)  are estimated at :$6.2  million.  No
direct or  indirect  payments  for  these  expenses  were  made to  registrant's
directors,  officers or persons owning 10% or more of  registrant's  outstanding
equity  securities.  After deducting these expenses,  registrant's  net proceeds
from the offering are estimated at: $61.1 million.

Because the offering had not occurred  during the period covered by this report,
registrant had not yet, as of June 30, 1999, either received or spent any of the
proceeds from the offering.

 Item 3. Defaults upon Senior Securities.                               None.

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



                                       26

<PAGE>


Item 5. Other Information.

Registrant has filed all reports  required to be filed by Section 13 or 15(d) of
the  Securities  Exchange Act of 1934 during the period that the  registrant was
required to file such reports.  The  registrant  has been subject to such filing
requirements for less than 90 days, however.

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 six months  ended June
            30, 1999.










































                                       27


<PAGE>







                                    SIGNATURE

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

Dated: September 2, 1999             By:  \s\ Raymond W. Anderson
- ------------------------             -------------------------------------------
                                     Raymond W. Anderson
                                     Chief Financial Officer and
                                     V.P. Finance and Administration










































                                       28

<PAGE>


                                  EXHIBIT INDEX

   Exhibit
    Number              Description of Document
  ---------             -----------------------

     1.1 Form of Underwriting  Agreement is incorporated  herein by reference to
the Registration Statement on Form S-1 filed on July 21, 1999.
     2.1 Share Exchange  Agreement with Glyko  Biomedical,  Ltd. is incorporated
herein by  reference to the  Registration  Statement on Form S-1 filed on May 4,
1999.
     3.1A  Amended  and  Restated   Certificate  of  Incorporation  of  BioMarin
Pharmaceutical  Inc.,  a  Delaware  Corporation,  as filed on March 22,  1999 is
incorporated herein by reference to the Registration Statement on Form S-1 filed
on May 4, 1999.
     3.1B(1)  Form of Amended  and  Restated  Certificate  of  Incorporation  of
BioMarin  Pharmaceutical  Inc., a Delaware Corporation is incorporated herein by
reference to the Registration Statement on Form S-1 filed on July 6, 1999.
     3.2 Amended and Restated Bylaws of BioMarin Pharmaceutical Inc., a Delaware
corporation is incorporated herein by reference to the Registration Statement on
Form S-1 filed on July 6, 1999.
     4.1 Form of Amended and  Restated  Registration  Rights  Agreement,  by and
among the Company and the  investors  named  therein is  incorporated  herein by
reference to the Registration Statement on Form S-1 filed on May 4, 1999.
     5.1 Opinion of Wilson Sonsini  Goodrich & Rosati is incorporated  herein by
reference to the Registration Statement on Form S-1 filed on July 21, 1999.
     10.1 Form of  Indemnification  Agreement  for  directors  and  officers  is
incorporated herein by reference to the Registration Statement on Form S-1 filed
on May 4, 1999.
     10.2 1997 Stock  Plan,  as  amended  on  December  22,  1998,  and forms of
agreements  thereunder is incorporated  herein by reference to the  Registration
Statement on Form S-1 filed on May 4, 1999.
     10..3 1998  Director  Option  Plan and forms of  agreements  thereunder  is
incorporated herein by reference to the Registration Statement on Form S-1 filed
on May 4, 1999.
     10.4 1998 Employee Stock  Purchase Plan and forms of agreements  thereunder
is incorporated  herein by reference to the  Registration  Statement on Form S-1
filed on May 4, 1999.
     10.5 Amended and Restated  Founder's Stock Purchase Agreement with Dr. John
C. Klock  dated as of October 1, 1997 with  exhibits is  incorporated  herein by
reference to the Registration Statement on Form S-1 filed on May 4, 1999.
     10.6 Amended and Restated  Founder's Stock Purchase Agreement with Grant W.
Denison, Jr. dated as of October 1, 1997 with exhibits is incorporated herein by
reference to the Registration Statement on Form S-1 filed on May 4, 1999.
     10.7 Amended and  Restated  Founder's  Stock  Purchase  Agreement  with Dr.
Christopher  M. Starr dated as of October 1, 1997 with exhibits is  incorporated
herein by reference to the  Registration  Statement on Form S- 1 filed on May 4,
1999.
     10.8  Employment  Agreement  with Dr. John C. Klock dated June 26, 1997, as
amended is  incorporated  herein by reference to the  Registration  Statement on
Form S-1 filed on June 14, 1999.
     10.9 Employment  Agreement with Grant W. Denison,  Jr. dated June 26, 1997,
as amended is incorporated herein by reference to the Registration  Statement on
Form S-1 filed on May 4, 1999.
     10.10  Employment  Agreement  with Dr.  Christopher M. Starr dated June 26,
1997,  as  amended  is  incorporated  herein by  reference  to the  Registration
Statement on Form S-1 filed on May 4, 1999.
     10.11 Employment Agreement with Raymond W. Anderson dated June 22, 1998, as
amended is  incorporated  herein by reference to the  Registration  Statement on
Form S-1 filed on May 4, 1999.
     10.12 Employment Agreement with Stuart J. Swiedler,  M.D., Ph.D., dated May
29, 1998,  as amended is  incorporated  herein by reference to the  Registration
Statement on Form S-1 filed on May 4, 1999.



                                       29
<PAGE>


   Exhibit
    Number                Description of Document
   -------                -----------------------

     10.13 Employment  Agreement with Emil Kakkis,  M.D., Ph.D.,  dated June 30,
1998,  as  amended  is  incorporated  herein by  reference  to the  Registration
Statement on Form S-1 filed on May 4, 1999.
     10.14 Employment Agreement between Brian K. Brandley,  Ph.D and Glyko, Inc.
dated February 22, 1998, as amended is  incorporated  herein by reference to the
Registration Statement on Form S-1 filed on May 4, 1999.
     10.15 License  Agreement  with Glyko  Biomedical,  Ltd. dated June 26, 1997
with exhibits  attached is incorporated  herein by reference to the Registration
Statement on Form S-1 filed on May 4 1999.
     10.16(2) Option  Agreement with W.R. Grace & Co. dated as of May 1, 1998 is
incorporated herein by reference to the Registration Statement on Form S-1 filed
on June 14, 1999.
     10.17(2) Grant Terms and Conditions Agreement with Harbor-UCLA Research and
Education  Institute dated April 1, 1997, as amended is  incorporated  herein by
reference to the Registration Statement on Form S-1 filed on June 14, 1999.
     10.18(2) License Agreement with Women's and Children's Hospital,  Adelaide,
Australia  dated  August 14, 1998 is  incorporated  herein by  reference  to the
Registration Statement on Form S-1 filed on July 21, 1999.
     10.19 Lease  Agreement dated May 18, 1998 for 371 Bel Marin Keys Boulevard,
as amended is incorporated herein by reference to the Registration  Statement on
Form S-1 filed on May 4, 1999.
     10.20  Standard  NNN  Lease  dated  June 25,  1998  for 46  Galli  Drive is
incorporated herein by reference to the Registration Statement on Form S-1 filed
on May 4, 1999.
     10.21 Standard Industrial Commercial Single-Tenant Lease dated May 29, 1998
for 110 Digital  Drive,  as amended is  incorporated  herein by reference to the
Registration Statement on Form S-1 filed on May 4, 1999.
     10.22  Sublease  dated  June 24,  1998  for  1123  West  Carson  Street  is
incorporated herein by reference to the Registration Statement on Form S-1 filed
on May 4, 1999.
     10.23 Commercial Lease and Deposit Receipt with Glyko, Inc. for 11 Pimentel
Court and 13 Pimentel Court,  dated December 23, 1996 is incorporated  herein by
reference to the Registration Statement on Form S-1 filed on May 4, 1999.
     10.24  Collaboration  Agreement with Genzyme Corporation dated September 4,
1998 is incorporated  herein by reference to the Registration  Statement on Form
S-1 filed on July 21, 1999.
     10.25 Purchase  Agreement with Genzyme  Corporation dated September 4, 1998
is incorporated  herein by reference to the  Registration  Statement on Form S-1
filed on May 4, 1999.
     10.26  Subscription  Agreement  with  Genzyme  dated  September  4, 1998 is
incorporated herein by reference to the Registration Statement on Form S-1 filed
on May 4, 1999.
     10.27 Form of  Convertible  Note Purchase  Agreement  dated as of April 12,
1999  with  form of  convertible  promissory  note  is  incorporated  herein  by
reference to the Registration Statement on Form S-1 filed on May 4, 1999.
     10.28 Astro License  Agreement  dated December 18, 1990 among Glyko,  Inc.,
Astromed,  Ltd., and Astroscan,  Ltd. is incorporated herein by reference to the
Registration Statement on Form S-1 filed on June 14, 1999.
     10.29  Glycomed  License  Agreement  dated December 18, 1990 between Glyko,
Inc., and Glycomed, Inc. is incorporated herein by reference to the Registration
Statement on Form S-1 filed on June 14, 1999.
     10.30 Operating  Agreement with Genzyme  Corporation is incorporated herein
by reference to the Registration Statement on Form S-1 filed on July 6, 1999.
     21.1  List of  Subsidiaries  is  incorporated  herein by  reference  to the
Registration Statement on Form S-1 filed on May 4, 1999.
     23.1 Consent of Independent  Public  Accountants is incorporated  herein by
reference to the Registration Statement on Form S-1 filed on July 21, 1999.
     23.2 Consent of Counsel (included in Exhibit 5.1) is incorporated herein by
reference to the Registration Statement on Form S-1 filed on July 21, 1999.
     24.1  Power  of  Attorney  is  incorporated  herein  by  reference  to  the
Registration Statement on Form S-1 filed on May 4, 1999.
     27.1 Financial Data Schedule (available in EDGAR format only).



                                       30

<PAGE>

<TABLE> <S> <C>


<ARTICLE>                     5
<CIK>                         0001048477
<NAME>                        BioMarin Pharmaceutical Inc.
<MULTIPLIER>                                   1,000
<CURRENCY>                                     U.S. Dollars

<S>                             <C>           <C>
<PERIOD-TYPE>                   3-MOS          6-MOS
<FISCAL-YEAR-END>               DEC-31-1999    DEC-31-1999
<PERIOD-START>                  JUL-01-1999    JAN-01-1999
<PERIOD-END>                    JUN-30-1999    JUN-30-1999
<EXCHANGE-RATE>                 1              1
<CASH>                          17,244         17,244
<SECURITIES>                       254            254
<RECEIVABLES>                      448            448
<ALLOWANCES>                        10             10
<INVENTORY>                        807            807
<CURRENT-ASSETS>                21,147         21,147
<PP&E>                          18,305         18,305
<DEPRECIATION>                  (1,352)        (1,352)
<TOTAL-ASSETS>                  51,434         51,434
<CURRENT-LIABILITIES>            7,889          7,889
<BONDS>                              0              0
                0              0
                          0              0
<COMMON>                            26             26
<OTHER-SE>                      17,422         17,422
<TOTAL-LIABILITY-AND-EQUITY>    51,434         51,434
<SALES>                            358            607
<TOTAL-REVENUES>                 1,557          2,662
<CGS>                              112            215
<TOTAL-COSTS>                      112            215
<OTHER-EXPENSES>                 7,590         13,175
<LOSS-PROVISION>                     0              0
<INTEREST-EXPENSE>                 561            561
<INCOME-PRETAX>                 (6,782)       (11,391)
<INCOME-TAX>                    (6,782)       (11,391)
<INCOME-CONTINUING>             (6,782)       (11,391)
<DISCONTINUED>                       0              0
<EXTRAORDINARY>                      0              0
<CHANGES>                            0              0
<NET-INCOME>                    (6,782)       (11,391)
<EPS-BASIC>                    (0.26)         (0.44)
<EPS-DILUTED>                    (0.26)         (0.44)



</TABLE>


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