CLEVELAND, April 15, 2008 (PRIME NEWSWIRE) -- Athersys, Inc. (Nasdaq:ATHX) today announced it will release its first quarter 2008 financial results at approximately 4:00 PM (Eastern Time) on Thursday, May 8, 2008, and host a conference call shortly thereafter at 4:30 PM (Eastern Time) to review the results. Gil Van Bokkelen, Chairman and Chief Executive Officer, and William (B.J.) Lehmann, President and Chief Operating Officer, will host the call.

Investors and other interested parties are invited to listen to the conference call by dialing 800-273-1254 in the U.S. and Canada, 706-679-8592 from abroad, or via a live Internet broadcast on the company's website at www.athersys.com, under the Investor Relations section.

A replay will be available for on-demand listening shortly after the completion of the call until 11:59 PM (Eastern Time) on May 22, 2008, at the aforementioned URL, or by dialing 800-642-1687 in the U.S. and Canada, or 706-645-9291 from abroad, and entering access code 43257503.

About Athersys, Inc.

Athersys is a biopharmaceutical company engaged in the discovery and development of therapeutic product candidates designed to extend and enhance the quality of human life. The company's lead product candidate, ATHX-105, is an oral, selective 5HT2c receptor agonist in clinical development for the treatment of obesity. The company is developing other orally active pharmaceutical product candidates for the treatment of metabolic and central nervous system disorders, utilizing proprietary technologies, including Random Activation of Gene Expression (RAGE). Athersys is developing MultiStem(r), a patented, adult-derived "off-the-shelf" stem cell product platform for multiple disease indications, including damage caused by myocardial infarction, bone marrow transplantation/oncology support, ischemic stroke and other indications.

The Athersys, Inc. logo is available at http://www.primenewswire.com/newsroom/prs/?pkgid=4548

Athersys, Inc.
William (B.J.) Lehmann, J.D., President and Chief Operating 
 Officer 
(216) 431-9900
bjlehmann@athersys.com

In-Site Communications
Lisa M. Wilson
(917) 543-9932
insiteco@ix.netcom.com