X0304 4 2012-02-16 0 0001107694 RACKSPACE HOSTING, INC. RAX 0001537235 Rhodes Taylor 5 MILLINGTON ROAD HYDE PARK HAYES MIDDLESEX X0 UB3 4AZ UNITED KINGDOM 0 1 0 0 MD, International Common Stock 2012-02-15 4 A 0 1385 0 A 11041 D Common Stock 2012-02-16 4 S 0 255 53.8251 D 10786 D Employee Stock (Option Right to Buy) 54.12 2012-02-15 4 A 0 2906 0 A 2019-02-15 Common Stock 2906 2906 D These shares were granted in the form of Restricted Stock Awards (RSA's). 1/4 of the shares under the RSA award shall vest and become unrestricted on each anniversary date of the grant date of February 15, 2012. Granted pursuant to the Rackspace Hosting, Inc. 2007 Long Term Incentive Plan. 1/4 of the options vest annually beginning on the grant date of February 15, 2012. These shares were sold pursuant to the provisions contained in the Company's Form of RSU Agreement and Amended and Restated 2007 Long Term Incentive Plan for the satisfaction of certain tax obligations. The prices for these sales of shares range from $53.71 to $53.91 per share. The registrant undertakes to provide, upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. /s/ William Alberts by Power of Attorney 2012-02-17