ALTH Allos Therapeutics, Inc. (MM)

Allos Therapeutics, Inc. (NASDAQ: ALTH), a biopharmaceutical company committed to the development and commercialization of innovative anti-cancer therapeutics, today announced that members of the Company’s senior management will present at the following investor conferences during the month of September.

September 21, 2010 UBS Global Life Sciences Conference The Grand Hyatt, New York City 4:30 p.m. ET   September 27, 2010 JMP Securities Healthcare Conference New York Palace Hotel, New York City 9:30 a.m. ET

Attendance at these conferences is by invitation only. A live audio webcast of select presentations can be accessed from and available for replay through a link on the home page and investor relations section of the Allos corporate website.

About Allos Therapeutics

Allos Therapeutics, Inc. (Nasdaq: ALTH) is a biopharmaceutical company committed to the development and commercialization of innovative anti-cancer therapeutics. Allos is currently focused on the development and commercialization of FOLOTYN® (pralatrexate injection), a folate analogue metabolic inhibitor. FOLOTYN is the first and only drug approved in the U.S. for the treatment of patients with relapsed or refractory peripheral T-cell lymphoma. Allos is also developing FOLOTYN in other hematologic malignancies and solid tumors. Allos retains exclusive worldwide rights to FOLOTYN for all indications. Allos is headquartered in Westminster, CO. For additional information, please visit www.allos.com.

Safe Harbor Statement

The anticipated presentation will contain forward-looking statements that involve significant risks and uncertainties. Additional information concerning these forward-looking statements and other factors that may cause actual results to differ materially from those anticipated in the forward-looking statements is contained in the "Risk Factors" section of the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2010 and in the Company's other periodic reports and filings with the Securities and Exchange Commission. The Company cautions investors not to place undue reliance on the forward-looking statements contained in the presentation. All forward-looking statements are based on information currently available to the Company on the date thereof, and the Company undertakes no obligation to revise or update these forward-looking statements to reflect events or circumstances after the date of these presentations, except as required by law.