LANCASTER, Calif.--(BUSINESS WIRE)--Simulations Plus, Inc. (NASDAQ:SLP), a leading provider of software for pharmaceutical discovery and development, today released preliminary revenues for its second fiscal quarter ended February 28, 2010, and announced that it has filed an amendment to its Annual Report on Form 10K for its fiscal year 2009 with the Securities and Exchange Commission (SEC) in response to comments by the SEC regarding that report.