ST. LOUIS--(BUSINESS WIRE)--Tripos, Inc. (NASDAQ:TRPS), announced today that on May 18, 2007, it received a letter from the Nasdaq Listing Qualifications Department advising the company that (1) as reported initially on April 24, 2007, Tripos continues not to be in compliance with the minimum $10 million stockholders’ equity requirement for continued inclusion on the Nasdaq Global Market under Nasdaq Marketplace Rule 4450(a)(3) and (2) Tripos is not in compliance with Nasdaq Marketplace Rule 4310(c)(14) because it has not timely filed its Quarterly Report on Form 10-Q for the period ended March 31, 2007.