Manhattan Pharmaceuticals will hold a management discussion call and webcast to describe the OE results in further detail, and to discuss the advancement of its four clinical stage product candidates at 8:30 AM ET on Tuesday, July 10, 2007. To access the call, please dial 800.289.0468 (domestic) or 913.981.5517 (international) five minutes prior to the start time. A replay of the call will be available approximately 2 hours following the event and will last until Friday, July 13, 2007 at 6:00 PM ET. To access a replay, please dial 888.203.1112 (domestic) or 719.457.0820 (international), and provide the pass code 1451123. To access the live audio webcast please visit the "Investors & Media" section of the company's website located at http://www.manhattanpharma.com. An archived webcast will be available on the website approximately 2 hours after the event and will be available in the archive until Friday, July 13, 2007 at 6:00 PM ET.