IOMAI Corporation To Announce First Quarter 2006 Financial Results And Host Webcast On Monday, May 15, 2006

GAITHERSBURG, Md., May 8 /PRNewswire-FirstCall/ -- Iomai Corporation today announced that it will release first quarter 2006 financial results before the markets open and hold a conference call and live webcast to discuss corporate and clinical progress on Monday, May 15, 2006 10:00 a.m. Eastern Time.

Conference Call Details

To access the live conference call on Monday, May 15, 2006 at 10:00 a.m. Eastern Time via phone, please dial 866-543-6408 from the United States and Canada or 617-213-8899 internationally. The conference ID is 17143037. Please dial in approximately ten minutes prior to the start of the call. A telephone replay will be available beginning approximately one hour after the call through May 22, 2006 and may be accessed by dialing 888-286-8010 from the United States and Canada or 617-801-6888 internationally. The replay passcode is 72384493.

To access the live and subsequently archived webcast of the conference call, go to the Investor Relations section of the Company's website at http://www.iomai.com. Please connect to the web site at least 15 minutes prior to the call to allow for any software download that may be necessary.

The webcast is also being distributed through the Thomson StreetEvents Network. Individual investors can listen to the call at http://www.earnings.com, Thomson's individual investor portal, powered by StreetEvents. Institutional investors can access the call via Thomson StreetEvents (http://www.streetevents.com), a password-protected event management site.

ABOUT IOMAI CORPORATION

Iomai Corporation discovers and develops vaccines and immune system stimulants, delivered via a novel, needle-free technology called transcutaneous immunization (TCI). TCI taps into the unique benefits of a major group of antigen-presenting cells found in the outer layers of the skin (Langerhans cells) to generate an enhanced immune response. Iomai is leveraging TCI to enhance the efficacy of existing vaccines, develop new vaccines that are viable only through transcutaneous administration and expand the global vaccine market. Iomai currently has four product candidates in development: three targeting influenza and pandemic flu and one to prevent E. coli-related travelers' diarrhea. For more information on Iomai, please visit http://www.iomai.com.

Contacts: Russell P. Wilson Senior Vice President, Chief Financial Officer and General Counsel Iomai Corporation 301-556-4478 investors@iomai.com Daryl Messinger WeissComm Partners, Inc. 415-946-1062 daryl@weisscommpartners.com

Iomai Corporation

CONTACT: Russell P. Wilson, Senior Vice President, Chief Financial Officerand General Counsel of Iomai Corporation, +1-301-556-4478, orinvestors@iomai.com; or Daryl Messinger of WeissComm Partners, Inc.,+1-415- 946-1062, or daryl@weisscommpartners.com

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