ViroPharma Incorporated Selected To Join NASDAQ Global Select Market

EXTON, Pa., June 26 /PRNewswire-FirstCall/ -- ViroPharma Incorporated today announced that it was selected for listing on the NASDAQ Global Select Market which is expected to be implemented by NASDAQ on July 3, 2006. Standards for initial inclusion in the NASDAQ Global Select Market will have financial and liquidity requirements that are higher than those of any other market in the world.

“I am extremely pleased to announce that ViroPharma has met the stringent standards for inclusion into the NASDAQ Global Select Market; we certainly feel this inclusion is demonstrative of our excellent financial position and view this as another significant positive development in ViroPharma’s history,” stated Michel de Rosen, ViroPharma’s chief executive officer.

Effective on July 3rd, NASDAQ-listed companies will be classified under three listing tiers - NASDAQ Global Select Market, NASDAQ Global Market, and NASDAQ Capital Market. NASDAQ also plans to launch indexes based on these new tiers.

“ViroPharma is an example of an industry leader that has achieved superior listing standards, which clearly defines the essence of the NASDAQ Global Select Market,” said Bruce Aust, Executive Vice President, NASDAQ’s Corporate Client Group. “NASDAQ is focused on leading a race to the top in terms of listing qualifications. In recognizing these companies, we are highlighting their achievement in meeting the requirements to be included in the market with the highest listing standards in the world,” added Mr. Aust.

NASDAQ announced the new three-tier listing classification in February 2006. All three market tiers will maintain rigorous listing and corporate governance standards. For additional information about the NASDAQ Global Select Market, please go to: http://www.nasdaq.com/GlobalSelect.

About NASDAQ

NASDAQ is the largest U.S. electronic stock market. With approximately 3,200 companies, it lists more companies and, on average, trades more shares per day than any other U.S. market. It is home to companies that are leaders across all areas of business including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks. For more information about NASDAQ, visit http://www.nasdaq.com or the NASDAQ Newsroom at http://www.nasdaq.com/newsroom/.

About ViroPharma Incorporated

ViroPharma Incorporated is a biopharmaceutical company dedicated to the development and commercialization of products that address serious diseases treated by physician specialists and in hospital settings. ViroPharma commercializes Vancocin(R), approved for oral administration for treatment of antibiotic-associated pseudomembranous colitis caused by Clostridium difficile and enterocolitis caused by Staphylococcus aureus, including methicillin- resistant strains (for prescribing information, please download the package insert at http://www.viropharma.com/docs/pulvules_pi.pdf). ViroPharma currently focuses its drug development activities in viral diseases including cytomegalovirus (CMV) and hepatitis C (HCV). For more information on ViroPharma, visit the company’s website at http://www.viropharma.com.

Disclosure Notice

Certain statements in this press release contain forward-looking statements that involve a number of risks and uncertainties, including those relating to the company’s ability to enhance its exposure with the investment community and that addition to the NASDAQ Global Select Market will be a positive development for ViroPharma shares and shareholders. Our actual results could differ materially from those results expressed in, or implied by, these forward-looking statements. Conducting clinical trials for investigational pharmaceutical products is subject to risks and uncertainties. There can be no assurance that ViroPharma will be successful in gaining regulatory approval of any of its product candidates, gain enhanced visibility with the investment community or execute on its business plans. These factors, and other factors, including, but not limited to those described in ViroPharma’s quarterly report on Form 10-Q for the quarter ended March 31, 2006 filed with the Securities and Exchange Commission, could cause future results to differ materially from the expectations expressed in this press release. The forward-looking statements contained in this press release may become outdated over time. ViroPharma does not assume any responsibility for updating any forward-looking statements.

ViroPharma Incorporated

CONTACT: William C. Roberts, Director, Corporate Communications,+1-610-321-6288, or Robert A. Doody, Manager, Corporate Communications,+1-610-321-6290, both of ViroPharma Incorporated

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