Encysive Pharmaceuticals Reports Third Quarter 2006 Financial Results

Conference Call Scheduled for Today at 8:00 a.m. Eastern


HOUSTON, Nov. 2, 2006 (PRIMEZONE) -- Encysive Pharmaceuticals (Nasdaq:ENCY) today announced financial results for the third quarter ended September 30, 2006.

Third Quarter Financial Overview



  -- Revenues in the third quarter of 2006 were $6.3 million, as 
     compared to $3.0 million for the third quarter of 2005.  This
     increase was due to higher royalties on sales of Argatroban by
     GlaxoSmithKline. Royalty income in the third quarter increased
     to $6.0 million, as compared to $2.6 million earned in the
     same period last year. Revenues for the nine month period to
     date were $13.6 million, as compared to $8.4 million for the
     same period last year. The growth in Argatroban royalty
     income, which was responsible for the year-over-year increase
     in revenues, was due to higher sales of Argatroban and a
     corresponding higher royalty rate, as cumulative sales reached
     a higher royalty tier within the agreement.

  -- For the third quarter of 2006, the Company reported a net loss
     of $25.5 million, or $0.44 per basic and diluted share,
     compared to a net loss of $18.8 million, or $0.32 per basic
     and diluted share, for the third quarter of 2005.  The
     increased loss in the current quarter, as compared to the third  
     quarter of 2005, was primarily the result of    
     commercialization-related expenses in the United States and
     Europe. The nine month year-to-date loss this year was $83.5
     million, or $1.43 per basic and diluted share, compared to
     last year's nine month year-to-date loss of $55.5 million, or
     $0.96 per basic and diluted share.

  -- Cash, cash equivalents and short-term investments at September
     30, 2006 were $49.9 million, compared to $127.9 million at
     December 31, 2005, and $75.4 million at June 30, 2006. Due to
     the continuing delay in the U.S. approval of THELIN(tm)
     (sitaxsentan sodium), the Company's current cash position and
     expected cash requirements going forward, the Company
     anticipates the need to raise additional cash and is exploring
     various financing options.

Third Quarter Highlights



 -- On August 11, 2006, the European Commission granted Encysive a 
    marketing authorization for  THELIN(r)(1) (sitaxentan sodium(2)) 
    100 mg tablets for the treatment of patients with pulmonary arterial 
    hypertension (PAH) classified as World Health Organization (WHO) 
    functional class III, to improve exercise capacity.  Efficacy has been 
    shown in primary pulmonary hypertension(3) and pulmonary hypertension 
    associated with connective tissue disease.  THELIN is the first 
    selective endothelin A receptor antagonist and first once daily oral 
    treatment available for patients with PAH.  Under the European 
    Commission's centralized licensing procedure, Encysive is permitted to 
    market THELIN in all 25 member states of the European Union.

 -- The Company's European commercial organization, headquartered in 
    London, is currently preparing for the launch of THELIN in the United 
    Kingdom and Germany later this year. These preparations include 
    implementation of the THELIN distribution system and patient 
    surveillance program.  THELIN will be launched in other European 
    countries, as government approvals for reimbursement are obtained. 

 -- On July 24, 2006, Encysive received a second approvable letter from 
    the U.S. Food and Drug Administration (FDA) for THELIN 100 mg tablets 
    for the treatment of PAH, pending resolution of one substantive 
    outstanding item included in the March 24, 2006 approvable letter.  
    During the third quarter, the Company continued to interact with the 
    FDA, in an attempt to resolve the remaining item.  

Recent Company Events



 -- On October 19, 2006, the Company secured an 18-month commitment from 
    Azimuth Opportunity Ltd. to purchase up to $75 million, or a maximum 
    of 11,853,012 shares of the Company's common stock.  Under the 
    agreement, Encysive may, at its discretion, sell registered shares of 
    its common stock to Azimuth at a predetermined discount to the market 
    price. The Company may request up to 24 drawdowns during the 18-month 
    period, with each drawdown limited in size to the lesser of 2.5% of 
    our market capitalization or a fixed amount ranging from $6 million to 
    $29.5 million, based on our stock price. Encysive intends to use the 
    net proceeds from any such sales of common stock for general corporate 
    purposes, including for developing and commercializing the Company's 
    products. This transaction provides Encysive with an additional 
    financing option to meet its cash needs going forward.  

This press release shall not constitute an offer to sell or the solicitation of an offer to buy any of these securities. There shall not be any sale of these securities in any state or jurisdiction where such an offer, solicitation or sale would be unlawful under the securities laws of such state or jurisdiction. The shares will be offered pursuant to an effective registration statement filed with the Securities and Exchange Commission on June 4, 2004.



 (1) THELIN is an E.U. registered trademark of Encysive Pharmaceuticals
     Inc.
 (2) "Sitaxentan" sodium is the spelling recognized by the World Health
     Organization for Encysive Pharmaceuticals' sitaxsentan sodium.
 (3) Primary pulmonary hypertension is also known as idiopathic
     pulmonary arterial hypertension.

Upcoming Presentations



 -- Nov. 6      Rodman & Renshaw 8th Annual Healthcare Conference
                New York City(a)

 -- Nov. 7      Cowen & Co. 7th Annual Global Healthcare Conference
                London(a)

 (a) The presentation will be webcast at www.encysive.com

Conference Call Information

Encysive Pharmaceuticals will host a conference call to discuss third quarter 2006 earnings today at 8:00 a.m. ET. You may access the call either through the call-in number below or through the audio webcast. Please dial in 15 minutes prior to the start time to allow for call processing. The access number for the call is:



      Number: (612) 332-0725
      Passcode: Encysive Pharmaceuticals

This call is being webcast and can be accessed via Encysive's web site at www.encysive.com.

A replay of the webcast will be available on the Company's web site through November 30, 2006. Additionally, a replay of the call will be available from Thursday, November 2, 2006, at 11:30 a.m. ET until Monday, November 6, 2006, at 11:59 p.m. ET. The call replay can be accessed by calling:



      Number:  (320) 365-3844
      Access Code: 845481

About Encysive Pharmaceuticals

Encysive Pharmaceuticals Inc. is a biopharmaceutical company engaged in the discovery, development and commercialization of novel, synthetic, small molecule compounds to address unmet medical needs. Our research and development programs are predominantly focused on the treatment and prevention of interrelated diseases of the vascular endothelium and exploit our expertise in the area of the intravascular inflammatory process, referred to as the inflammatory cascade, and vascular diseases. To learn more about Encysive Pharmaceuticals, please visit our web site: www.encysive.com.

The Encysive Pharmaceuticals Inc. logo is available at http://media.primezone.com/prs/single/?pkgid=843

This press release contains "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements are subject to certain risks, trends and uncertainties that could cause actual results to differ materially from those projected. Among those risks, trends and uncertainties are our estimate of the sufficiency of our existing capital resources, our ability to raise additional capital to fund cash requirements for future operations, the possibility of obtaining regulatory approval of THELIN in the U.S., the market acceptance of THELIN in the European Union, our ability to quickly and successfully commercialize THELIN in the European Union, the speed with which pricing and reimbursement approvals and product launches for THELIN may be achieved in countries within the European Union, difficulties or delays in manufacturing, packaging or distributing THELIN in the European Union, our ability to discover new drugs in the future, and our ability to establish future collaborative arrangements. In particular, careful consideration should be given to cautionary statements made in the various reports Encysive, including as Texas Biotechnology Corporation, has filed with the Securities and Exchange Commission. Encysive undertakes no duty to update or revise these forward-looking statements.



            ENCYSIVE PHARMACEUTICALS INC. AND SUBSIDIARIES
                   UNAUDITED SELECTED FINANCIAL DATA
             Amounts in thousands (except per share data)

                  Consolidated Summary of Operations
                  ----------------------------------

                      Three Months Ended        Nine Months Ended
                         September 30,             September 30,
                      ---------------------    --------------------
                         2006        2005        2006        2005
                       --------    --------    --------    --------
 Revenues              $  6,332    $  2,965    $ 13,555    $  8,427
 Expenses:
   Cost of sales             14          --          14          --
   Research and
    development          16,271      16,248      49,326      49,929
   Sales and
    marketing            10,039       3,573      31,642       7,953
   General and
    administrative        5,340       2,349      16,446       8,548
                       --------    --------    --------    --------
    Total expenses       31,664      22,170      97,428      66,430
                       --------    --------    --------    --------
    Operating loss      (25,332)    (19,205)    (83,873)    (58,003)
 Investment income          846       1,351       3,230       3,284
 Interest expense          (988)       (975)     (2,946)     (2,122)
                       --------    --------    --------    --------
   Loss from
    continuing
    operations          (25,474)    (18,829)    (83,589)    (56,841)
   Income from
    discontinued
    operations               --          --          --       1,335
                       --------    --------    --------    --------
   Loss before
    cumulative
    effect of change
    in accounting
    principle          $(25,474)   $(18,829)   $(83,589)   $(55,506)
 Cumulative effect
  of change in
  accounting
  principle                  --          --         107          --
                       --------    --------    --------    --------
   Net loss            $(25,474)   $(18,829)   $(83,482)   $(55,506)
 Net loss per
  common share
  Basic and diluted    $  (0.44)   $  (0.32)   $  (1.43)   $  (0.96)
                       ========    ========    ========    ========
 Weighted average
  common shares
  Outstanding:
  basic and diluted      58,478      58,077      58,405      57,878
                       ========    ========    ========    ========

              Condensed Consolidated Balance Sheets
              -------------------------------------

                                        Sept. 30,    Dec. 31,
                                           2006         2005
                                        ----------    ---------
 Assets:
   Cash, cash
    equivalents and
    Accrued interest                     $  49,928    $ 127,913
   Other assets                             19,459       18,789
                                         ---------    ---------
       Total assets                         69,387      146,702
                                         =========    =========

 Liabilities and
  stockholders' deficit
   Current liabilities                      26,784       26,151
   Deferred revenue,
    long-term                                  320        1,286
   Long-term debt                          130,000      130,000
                                         ---------    ---------
       Total liabilities                   157,104      157,437
   Stockholders' deficit                   (87,717)     (10,735)
                                         ---------    ---------
       Liabilities and
        stockholders'
        deficit                          $  69,387    $ 146,702
                                         =========    =========


            

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