Acusphere to Participate in BIO CEO & Investor Conference 2007

Business Wire, Feb 7, 2007

WATERTOWN, Mass. -- Acusphere, Inc. (NASDAQ: ACUS) announced today that it is scheduled to present at the BIO CEO & Investor Conference 2007 on Wednesday, February 14, 2007 at 12:00 p.m. Eastern Time. The Conference is being held at the Waldorf-Astoria Hotel in New York City. Presenting for the Company will be John F. Thero, Senior Vice President and Chief Financial Officer.

A webcast of the Company's presentation will be available both live and on a recorded basis via a link provided at the company's website www.acusphere.com on the Investor Relations page. The recording will be available through February 28, 2007.

About Acusphere, Inc.

Acusphere (NASDAQ: ACUS) is a specialty pharmaceutical company that develops new drugs and improved formulations of existing drugs using its proprietary microparticle technology. Acusphere's three initial product candidates are designed to address large unmet clinical needs within cardiology, oncology and asthma. These product candidates were created using proprietary technology that enables Acusphere to control the porosity and size of nanoparticles and microparticles in a versatile manner that allows particles to be customized to address the delivery needs of a variety of drugs. Acusphere's lead product candidate, Imagify[TM] (perflubutane polymer microspheres) injectable suspension, is a cardiovascular drug in Phase 3 clinical development. Imagify is designed to enable ultrasound to compete more effectively with nuclear stress testing, the leading procedure for detecting coronary heart disease. An estimated 11.9 million procedures are done each year in the U.S. to detect coronary heart disease, the leading cause of death in the United States. For more information about Acusphere visit the Company's web site at www.acusphere.com. "Acusphere" is a trademark of Acusphere, Inc.