X0303 4 2009-06-15 0001097264 ALLOS THERAPEUTICS INC ALTH 0001202770 CARUSO JAMES V 11080 CIRCLEPOINT ROAD SUITE 200 WESTMINSTER CO 80020 1 Chief Commercial Officer Common Stock 2009-06-15 4 S 0 14000 8.13 D 102373 D Common Stock 2009-06-16 4 S 0 13500 8.1573 D 88873 D This sale was made pursuant to the 10b5-1 plan for James V. Caruso in order to cover the withholding tax and other costs associated with such sale (i.e. wire fees, commissions or interest) in connection with the vesting of shares of restricted stock on June 5, 2009 and for other tax and estate planning purposes. The price represents the weighted average sale price for multiple transactions reported on this line. The prices of the transactions ranged from $8.13 to $8.25. Upon request of the SEC staff, Allos Therapeutics, Inc. (the "Company") or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold at each separate price. /s/ David C. Clark, Attorney-in-Fact for James V. Caruso 2009-06-17