SAN DIEGO, Jan. 4, 2010 /PRNewswire-FirstCall/ -- Arena Pharmaceuticals, Inc. (Nasdaq: ARNA) announced today that the company is scheduled to present at the 28th Annual J.P. Morgan Healthcare Conference on Wednesday, January 13, 2010 at 2:00 p.m. Pacific Time (5:00 p.m. Eastern Time) at the Westin St. Francis Hotel in San Francisco. Jack Lief, Arena's President and Chief Executive Officer, is scheduled to provide an overview of the company, including its clinical development and discovery programs.

A live audio webcast of the presentation will be available under the investor relations section of Arena's website at www.arenapharm.com. A replay of the presentation will be available for 30 days following the event. Please connect to Arena's website several minutes prior to the start of the webcast to ensure adequate time for any software download that may be necessary.

About Arena Pharmaceuticals

Arena is a clinical-stage biopharmaceutical company focused on discovering, developing and commercializing oral drugs that target G protein-coupled receptors, an important class of validated drug targets, in four major therapeutic areas: cardiovascular, central nervous system, inflammatory and metabolic diseases. Arena's most advanced drug candidate, lorcaserin, is intended for weight management, including weight loss and maintenance of weight loss, and has completed a pivotal Phase 3 clinical trial program. Arena submitted a New Drug Application for lorcaserin to the FDA in December 2009.

Arena Pharmaceuticals® and Arena® are registered service marks of the company.

Forward-Looking Statements

Certain statements in this press release are forward-looking statements that involve a number of risks and uncertainties. Such forward-looking statements include statements about Arena's strategy, research and development programs, and ability to develop compounds and commercialize drugs. For such statements, Arena claims the protection of the Private Securities Litigation Reform Act of 1995. Actual events or results may differ materially from Arena's expectations. Factors that could cause actual results to differ materially from the forward-looking statements include, but are not limited to, regulatory authorities may not accept Arena's NDA submission; regulatory authorities may not find data from Arena's clinical trials and studies sufficient for regulatory approval; the timing, success and cost of Arena's lorcaserin program and other of its research and development programs; the timing and ability of Arena to receive regulatory approval for its drug candidates; results of clinical trials or preclinical studies may not be predictive of future results; clinical trials and studies may not proceed at the time or in the manner Arena expects or at all; Arena's ability to partner or commercialize lorcaserin or other of its compounds or programs; Arena's ability to obtain additional funds; Arena's ability to obtain and defend its patents; and the timing and receipt of payments and fees, if any, from Arena's collaborators. Additional factors that could cause actual results to differ materially from those stated or implied by Arena's forward-looking statements are disclosed in Arena's filings with the Securities and Exchange Commission. These forward-looking statements represent Arena's judgment as of the time of this release. Arena disclaims any intent or obligation to update these forward-looking statements, other than as may be required under applicable law.



    Contact: Arena Pharmaceuticals, Inc.  Media Contact: Russo Partners

    Jack Lief                             David Schull, President
    President and CEO                     david.schull@russopartnersllc.com
                                          858.717.2310

    Cindy McGee
    Manager, IR and Corporate
     Communications                       Anthony J. Russo, Ph.D., CEO
    858.453.7200, ext. 1479               tony.russo@russopartnersllc.com
                                          212.845.4251
    www.arenapharm.com

SOURCE Arena Pharmaceuticals, Inc.