X0306 4/A 2012-02-16 2012-02-17 0 0001107694 RACKSPACE HOSTING, INC. RAX 0001479670 Roenigk Mark 5000 WALZEM SAN ANTONIO TX 78218 0 1 0 0 Chief Operating Officer Common Stock 2012-02-15 4 A 0 2078 0 A 42094 D Common Stock 2012-02-16 4 S 0 251 53.8251 D 41843 D Employee Stock (Option Right to Buy) 54.12 2012-02-15 4 A 0 4360 0 A 2019-02-15 Common Stock 4360 4360 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 ranged 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. Amended solely for the purpose of correcting an error made in reporting the number of RSAs and shares under an option grant to the holder as well as the corresponding amount of securities beneficially owned following the reporting transactions. /s/ William Alberts by Power of Attorney 2012-07-19