X0305 4 2012-04-02 0 0001107694 RACKSPACE HOSTING, INC. RAX 0001492055 Matthews Patrick M. 5000 WALZEM SAN ANTONIO TX 78218 0 1 0 0 SVP and GM, Cloud Common Stock 2012-04-02 4 S 0 10000 57.6147 D 135786 D These shares were sold pursuant to 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 the sale of these shares ranged from $57.22 to $58.11 per share. The registrant undertakes to provide, upon request by the SEC staff, the issuer, or the 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 2012-04-04