NEW HAVEN, Conn., Nov. 17, 2009 (GLOBE NEWSWIRE) -- Achillion Pharmaceuticals, Inc. (Nasdaq:ACHN), a leader in the discovery and development of small molecule drugs to combat the most challenging infectious diseases, today reported that it received notification from the NASDAQ Listings Qualification Department that the Company’s stockholders’ equity of $7,214,000, as reported in the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2009 that it filed with the Securities and Exchange Commission, does not comply with the minimum stockholders’ equity requirement of $10,000,000 for continued listing on The NASDAQ Global Market pursuant to NASDAQ Listing Rule 5450(b)(1)(A).