Acusphere, Inc. (NASDAQ: ACUS) announced that it expects to host a conference call on Friday, May 11, 2007 at 10:30 AM ET to discuss the Company’s financial results, quarterly highlights and business outlook for its first quarter 2007. The call will include representatives of the Company including Sherri Oberg, President and Chief Executive Officer, John Thero, Senior Vice President and Chief Financial Officer, Dennis Bucceri, Senior Vice President of Regulatory Affairs, Jonathan Jaffe, M.D., Vice President of Medical Affairs and Mona Haynes, Vice President of Marketing and Sales.