SERO Serologicals (MM)

Serologicals Corporation (NASDAQ:SERO) announced today that it will release its second quarter earnings on Wednesday, July 27, 2005 after the close of regular trading hours, and then host a conference call on Thursday, July 28, 2005 at 9:00 a.m. (ET) to review the results. The conference call dial in number is 800-291-9234, International dial-in 617-614-3923, confirmation code 67045571. The live broadcast will also be available online at the Company's website at www.serologicals.com and at www.StreetEvents.com. If you are unable to participate in the call, a 14-day playback will start July 28, 2005 at 11:00 a.m. (Eastern Time). To listen to the playback, please call 888-286-8010, International dial-in 617-801-6888, and enter access code 14006006, or access the archived web cast on the Company's website at www.serologicals.com. Serologicals Corporation (NASDAQ:SERO), headquartered in Atlanta, GA., is a global leader in developing and commercializing consumable biological products, enabling technologies and services in support of biological research, drug discovery, and the bioprocessing of life- enhancing products. Our customers include researchers at major life science companies and leading research institutions involved in key disciplines, such as neurology, oncology, hematology, immunology, cardiology, proteomics, infectious diseases, cell signaling and stem cell research. In addition, Serologicals is the world's leading provider of monoclonal antibodies for the blood typing industry. Serologicals employs a total of more than 1,000 people worldwide in three Serologicals' companies: Chemicon International, headquartered in Temecula, CA, Upstate Group, LLC, headquartered in Charlottesville, VA. and Celliance Corporation, headquartered in Atlanta, GA. Serologicals is a registered trademark of Serologicals Investment Company.