BioMarin Announces Second Quarter 2006 Financial Results

August 2, 2006

Strong Naglazyme Sales Lead to Improved Top- and Bottom-Line Guidance for 2006
Conference Call and Webcast to Be Held Today at 5:00 p.m. EDT (23:00 CEST)
Aug 2, 2006
PRNewswire-FirstCall
NOVATO, Calif.

BioMarin Pharmaceutical Inc. (Nasdaq and SWX: BMRN) today announced results for its second quarter ended June 30, 2006. The net loss was $1.3 million ($0.02 per share) for the second quarter of 2006, compared to $21.3 million ($0.33 per share) for the second quarter of 2005. The net loss was $11.1 million ($0.14 per share) for the six months ended June 30, 2006, compared to $43.8 million ($0.68 per share) for the six months ended June 30, 2005.

"Our launch of Naglazyme is going very well and is exceeding our prior expectations," stated Jean-Jacques Bienaime, Chief Executive Officer of BioMarin. "As a result, we expect 2006 net product sales of Naglazyme to be about 30 percent greater than we had previously projected and our net loss for 2006 to be substantially lower as well." Mr. Bienaime continued, "With regard to our product pipeline, we remain on track to file a New Drug Application for Phenoptin for PKU at the end of the first quarter of 2007 and to announce data from the Phase 2 study of 6R-BH4 for the treatment of poorly controlled hypertension in early 2007."

Product Sales

Net sales of Naglazyme(TM) (galsulfase), an enzyme replacement therapy for mucopolysaccharidosis VI (MPS VI), for the second quarter of 2006 were $10.3 million and $17.3 million for the six months ended June 30, 2006. Naglazyme was approved by the U.S. Food and Drug Administration (FDA) on May 31, 2005, and by the European Commission in late January 2006. BioMarin is commercializing Naglazyme in the United States and Europe and through distributors in other international markets.

Net sales of Aldurazyme(R) (laronidase), an enzyme replacement therapy for mucopolysaccharidosis I, (MPS I) by BioMarin/Genzyme LLC increased 23 percent to $23.5 million for the second quarter of 2006, compared to $19.2 million in the second quarter of 2005. Net sales for the six months ended June 30, 2006 were $44.9 million, compared to $35.1 million for the same period in 2005, representing an increase of approximately 28 percent. BioMarin's share of the profit of BioMarin/Genzyme LLC was $4.7 million for the second quarter of 2006, compared to a profit of $3.3 million for the second quarter of 2005. BioMarin's share of the profit from BioMarin/Genzyme LLC for the six months ended June 30, 2006 was $8.5 million, compared to $5.4 million for the six months ended June 30, 2005.

Royalty and License Revenues

Royalty and license revenues for the second quarter and six months of 2006 were $9.4 million and $9.7 million, respectively, and include receipt of a one-time milestone payment of $7.5 million from Alliant Pharmaceuticals, following FDA approval of Orapred ODT(TM) (prednisolone sodium phosphate orally disintegrating tablets), amortization of the $2.5 million upfront license payment received from Alliant in March 2006, and royalties on net product sales of the Orapred product line, including Orapred(R) (prednisolone sodium phosphate oral solution) and authorized generic products. Pursuant to a licensing and acquisition agreement entered into with Alliant Pharmaceuticals on March 15, 2006, BioMarin will receive additional milestone payments contingent on the launch of Orapred ODT, which is expected to occur in early September of 2006, and on the first anniversary of FDA-approval of Orapred ODT in June 2007.

As of June 30, 2006 BioMarin had cash, cash equivalents and short-term investments totaling $305.9 million.

  Financial Guidance

  2006 Projected Net Product Sales

BioMarin has updated its net sales guidance for Naglazyme for the fiscal year ending December 31, 2006. BioMarin estimates 2006 net sales of Naglazyme to be in the range of $40 million to $44 million, compared to the previously estimated range of $31 million to $34 million.

BioMarin and Genzyme Corporation reconfirm estimated sales of Aldurazyme through the joint venture for 2006 to be in a range of $90 million to $100 million.

2006 Projected Net Loss

BioMarin has improved its estimated GAAP net loss for the fiscal year ending December 31, 2006 from a range of $42 million to $45 million to a range of $33 million to $37 million, which includes $8.4 million of expenses related to the 2004 acquisition of Orapred and $8.3 million of stock compensation expense.

  Recent Events and Second Quarter 2006 Highlights

  -- On July 6, BioMarin announced that it had initiated a Phase 2 clinical
     study of 6R-BH4 for the treatment of poorly controlled hypertension.
     The company expects to announce data from this trial in early 2007.
  -- On June 1, BioMarin and Alliant Pharmaceuticals announced that the FDA
     had granted marketing approval for Orapred ODT, the first orally
     disintegrating tablet form of prednisolone available in the United
     States. Alliant expects to begin marketing Orapred ODT in the United
     States in early September.

  Presentations at Upcoming Scientific Conferences

Researchers will present data pertaining to BioMarin's marketed products and clinical-stage programs, namely Phenoptin(TM) (sapropterin dihydrochloride) for the treatment of phenylketonuria (PKU) and 6R-BH4 for the treatment of cardiovascular indications, at the scientific conferences listed below:

  -- Tetrahydrobiopterin and Alternative Treatments for Phenylketonuria,
     Cardiovascular Diseases and Diabetes
     Satellite Meeting to the 2006 International Congress on Inborn Errors
     of Metabolism
     September 10 - 11, 2006, Sendai, Japan
     http://www.pku-bh4.com/
  -- 10th International Congress of Inborn Errors of Metabolism
     September 12 - 16, 2006, Chiba, Japan
     http://www.iciem2006.org/
  -- 56th Annual Meeting of the American Society of Human Genetics
     October 9 - 13, 2006, New Orleans, Louisiana
     http://www.ashg.org/

BioMarin will host a conference call and webcast to discuss second quarter financial results today, Wednesday, August 2, at 5:00 p.m. EDT (23:00 CEST). This event can be accessed on the investor section of the BioMarin website at www.BMRN.com .

  Date:  August 2, 2006
  Time:  5:00 p.m. EDT (23:00 CEST)
  U.S. & Canada Toll-free Dial in #:  866-271-0675
  International Dial in #:  617-213-8892
  Participant Code:  93530506
  Replay Toll-free Dial in #:  888-286-8010
  Replay International Dial in #:  617-801-6888
  Replay Code:  52624487

  About BioMarin

BioMarin develops and commercializes innovative biopharmaceuticals for serious diseases and medical conditions. The company's product portfolio is comprised of two approved products and multiple clinical and preclinical product candidates. Approved products include Naglazyme(TM) (galsulfase) for mucopolysaccharidosis VI (MPS VI), a product wholly developed and commercialized by BioMarin, and Aldurazyme(R) (laronidase) for mucopolysaccharidosis I (MPS I), a product which BioMarin developed through a 50/50 joint venture with Genzyme Corporation. Investigational product candidates include Phenoptin(TM) (sapropterin dihydrochloride), a Phase 3 product candidate for the treatment of phenylketonuria (PKU), and 6R-BH4 for cardiovascular indications, which is currently in Phase 2 clinical development for the treatment of poorly controlled hypertension. For additional information, please visit www.BMRN.com . Information on BioMarin's website is not incorporated by reference into this press release.

The websites indicated in this press release are provided by BioMarin as additional information for interested parties. With the exception of its own websites, BioMarin does not endorse any particular organization or the content contained on their website.

Forward-Looking Statement

This press release contains forward-looking statements about the business prospects of BioMarin Pharmaceutical Inc., including, without limitation, statements about: the sales expectations of BioMarin's product Naglazyme and BioMarin/Genzyme LLC's product Aldurazyme; Alliant Pharmaceuticals' commercialization of Orapred ODT; the financial performance of the BioMarin as a whole; the timing of BioMarin's clinical trials of Phenoptin and 6R-BH4 for other indications; the continued clinical development and commercialization of Aldurazyme, Naglazyme, Phenoptin, and 6R-BH4 for other indications; and actions by regulatory authorities, including actions related to Naglazyme, Phenoptin, and 6R-BH4 for other indications. These forward-looking statements are predictions and involve risks and uncertainties such that actual results may differ materially from these statements. These risks and uncertainties include, among others: our success in continuing commercialization of Naglazyme; our joint venture partner's success in continuing the commercialization of Aldurazyme; Alliant Pharmaceuticals' success in commercializing Orapred ODT; results and timing of current and planned preclinical studies and clinical trials, including the Phase 3 clinical trial of Phenoptin and 6R-BH4 for other indications; the content and timing of decisions by the U.S. Food and Drug Administration, the European Commission and other regulatory authorities concerning each of the described products and product candidates; the market for each of these products and particularly Aldurazyme, Naglazyme and Orapred; actual sales of Aldurazyme, Naglazyme and Orapred; product returns of Orapred; and those factors detailed in BioMarin's filings with the Securities and Exchange Commission, including, without limitation, the factors contained under the caption "Risk Factors" in BioMarin's 2005 Annual Report on Form 10-K, as amended, and the factors contained in BioMarin's reports on Form 8-K. Stockholders are urged not to place undue reliance on forward-looking statements, which speak only as of the date hereof. BioMarin is under no obligation, and expressly disclaims any obligation to update or alter any forward-looking statement, whether as a result of new information, future events or otherwise.

NOTE: Aldurazyme(R) is a registered trademark of BioMarin/Genzyme LLC.

NOTE: Orapred(R) is a registered trademark of Medicis Pediatrics, Inc. and is used under license.

  Contacts:

  Investors                           Media
  Joshua A. Grass                     Susan Ferris
  BioMarin Pharmaceutical Inc.        BioMarin Pharmaceutical Inc.
  415-506-6777                        415-506-6701


Net Product Sales of BioMarin Pharmaceutical Inc. and BioMarin/Genzyme LLC
        For the Three and Six Months Ended June 30, 2005 and 2006
             (In millions, except per share data, unaudited)

                                 Three Months Ended       Six Months Ended
                                      June 30,                 June 30,
                                  2005       2006         2005         2006
   Aldurazyme (as reported by
    BioMarin/Genzyme LLC) (1)    $19.2      $23.5        $35.1        $44.9
   Naglazyme                       0.1       10.3          0.1         17.3
   Orapred (2)                     1.3       (0.6)         6.3          1.3

  (1) The Company recognizes its 50% share of the net income of
  BioMarin/Genzyme LLC as Equity in the income of BioMarin/Genzyme LLC in
  the Company's consolidated statements of operations.
  (2) For the three months ended June 30, 2006, the Company recognized net
  Orapred product return expense of $0.6 million.


              BIOMARIN PHARMACEUTICAL INC. AND SUBSIDIARIES

                  CONSOLIDATED STATEMENTS OF OPERATIONS
        For the Three and Six Months Ended, June 30, 2005 and 2006
           (In thousands, except for per share data, unaudited)

                          Three Months Ended          Six Months Ended
                               June 30,                   June 30,
                           2005         2006          2005         2006
  Revenues:
   Net product sales      $1,437       $9,657       $6,426      $18,636
   Collaborative
    agreement revenues     2,189        4,435        2,189        8,949
   Royalty and license
    revenues                  --        9,358           --        9,677

   Total revenues          3,626       23,450        8,615       37,262

  Operating expenses:
   Cost of sales
    (excludes amortization
    of developed product
    technology)              478          789        1,137        2,512
   Research and
    development           14,822       15,779       29,814       28,058
   Selling, general
    and administrative    10,117       11,871       20,684       22,767
   Amortization of
    acquired intangible
    assets                   286        1,093          572        1,466

     Total operating
      expenses            25,703       29,532       52,207       54,803

  Equity in the
   income of
   BioMarin/Genzyme LLC    3,303        4,745        5,378        8,545

  Loss from operations  (18,774)      (1,337)     (38,214)      (8,996)
  Interest income            374        4,034          615        4,736
  Interest expense       (2,940)      (4,022)      (6,199)      (6,846)

   Net loss            $(21,340)     $(1,325)    $(43,798)    $(11,106)

   Net loss per share,
    basic and diluted    $(0.33)      $(0.02)      $(0.68)      $(0.14)
   Weighted average
   common shares
   outstanding, basic
   and diluted           64,605        85,341        64,558       80,181


              BIOMARIN PHARMACEUTICAL INC. AND SUBSIDIARIES

                       CONSOLIDATED BALANCE SHEETS
           (In thousands, except for share and per share data)
                                                    December 31,    June 30,
                                                      2005 (1)       2006
                                                                 (unaudited)
                           ASSETS
  Current assets
       Cash and cash equivalents                          $38,092  $285,990
       Short-term investments                               9,700    19,910
       Accounts receivable, net                             5,860    10,946
       Advances to BioMarin/Genzyme LLC                     1,071       926
       Inventory                                           10,898    24,247
       Other current assets                                 3,320     2,788
            Total current assets                           68,941   344,807
  Cash balances related to long-term debt                  17,049        --
  Investment in BioMarin/Genzyme LLC                       31,983    28,528
  Property and equipment, net                              37,321    51,615
  Acquired intangible assets, net                          15,306    13,841
  Goodwill                                                 21,262    21,262
  Other assets                                              3,441     8,661
            Total assets                                 $195,303  $468,714

                         LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
  Current liabilities:
       Accounts payable and accrued liabilities           $20,934   $23,073
                Current portion of acquisition obligation,
                  net of discount                           7,477     6,705
                Current portion of deferred revenue         8,096     8,226
                Current portion of equipment and
                  facility loans                            3,860        --
                     Total current liabilities             40,367    38,004
  Convertible debt                                        125,000   297,500
  Long-term portion of acquisition obligation,
    net of discount                                        70,873    69,811
  Deferred revenue, net of current portion                11,825      7,990
  Equipment and facility loan, net of current portion      17,049        --
  Other long-term liabilities                               7,651     6,522
             Total liabilities                            272,765   419,827
  Stockholders' equity (deficit):
       Common stock, $0.001 par value: 150,000,000 shares
         authorized; 74,301,610 and 85,470,948 shares issued
         and outstanding at December 31, 2005 and
         June 30, 2006, respectively                           75        85

       Additional paid-in capital                         485,570   623,048
       Accumulated other comprehensive loss                   (16)      (49)
       Accumulated deficit                               (563,091) (574,197)
           Total stockholders' equity (deficit)           (77,462)   48,887
           Total liabilities and stockholders'
             equity (deficit)                            $195,303  $468,714

  (1)  December 31, 2005 balances were derived from the audited consolidated
  financial statements.

SOURCE: BioMarin Pharmaceutical Inc.

CONTACT: investors, Joshua A. Grass, +1-415-506-6777, or media, Susan
Ferris, +1-415-506-6701, both of BioMarin Pharmaceutical Inc.

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