HOLLISTON, Mass.--(BUSINESS WIRE)--Harvard Bioscience, Inc. (Nasdaq: HBIO) will announce results for the second quarter ended June 30, 2007 after market trading hours on Thursday, August 2, 2007. A quarterly conference call to discuss second quarter 2007 financial results will be held on Thursday, August 2, 2007 at 5:30 p.m. local time. In addition, management may answer questions concerning business and financial developments and trends, the Company’s view on earnings forecasts, and other business and financial matters affecting the Company. Some of the information to be presented on the call or provided in response to questions may contain information that has not previously been disclosed.