X0306 4 2015-03-09 0 0001107694 RACKSPACE HOSTING, INC. RAX 0001521244 Pichler Karl 1 FANATICAL PLACE CITY OF WINDCREST SAN ANTONIO TX 78218 0 1 0 0 CFO Common Stock 2015-03-09 4 F 0 4367 51.3688 D 88695 D These shares were sold pursuant to Company policy that requires a holder of Restricted Stock Units (RSU's) to immediately sell enough shares to enable the Company to fulfill its obligation to deliver funds to the Internal Revenue Service to cover the holder's tax obligation which is triggered by the vesting of the RSU and pursuant to the terms of the holder's Rule 10b5-1 trading plan. The price for the sale of these shares range from $51.34 - $51.42. 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 sold at each separate price. William Alberts by Power of Attorney 2015-03-11