Bioanalytical Systems, Inc. (NASDAQ:BASI) will release financial results for the second quarter ended March 31, 2011 at approximately 7:30 a.m. EDT on Thursday, May 12, 2011. BASi has scheduled a conference call at 11:00 a.m. EDT that morning to discuss its results for the quarter. To participate in the call, dial 866.383.8108, passcode #17596614 A simultaneous webcast of the conference call may be accessed online from the Investors tab at www.BASInc.com. The webcast will be available for replay, after 2:00 p.m. EDT, at this same Internet address. For a telephone replay, dial 888.286.8010, passcode #32926008 after 2:00 p.m. EDT. About Bioanalytical Systems, Inc. BASi is a pharmaceutical development company providing contract research services and monitoring instruments to the world's leading drug development companies and medical research organizations. The company focuses on developing innovative services and products that increase efficiency and reduce the cost of taking a new drug to market. Visit www.BASInc.com for more about BASi. This release may contain forward-looking statements that are subject to risks and uncertainties including, but not limited to, risks and uncertainties related to changes in the market and demand for our products and services, the development, marketing and sales of products and services, changes in technology, industry standards and regulatory standards, and various market and operating risks detailed in the company's filings with the Securities and Exchange Commission.