X0306 4 2012-12-18 0 0001107694 RACKSPACE HOSTING, INC. RAX 0001441446 Bishkin S. James C/O RACKSPACE HOSTING, INC. 5000 WALZEM RD. SAN ANTONIO TX 78218 1 0 0 0 Common Stock 2012-12-18 4 S 0 4000 71.0462 D 82560 D Common Stock 2012-12-18 4 S 0 5000 73.0801 D 77560 D Common Stock 2012-12-18 4 S 0 1000 71.03 D 4116 I Shares held by Bishkin 2000 Family, LP. These shares were sold pursuant to Mr. Bishkin's Rule 10b5-1 trading plan adopted on September 5, 2012. These shares were sold pursuant to the Bishkin 2000 Family, LP.'s Rule 10b5-1 trading plan adopted on September 5, 2012. The prices for these shares range from $71.00 to $71.20 per share. The prices for these shares range from $73.00 to $73.205 per share. The prices for these shares range from $71.00 to $71.08 per share. The registrant undertakings to provide, upon request of the SEC staff, the issuer, or security holder of the issuer, full information regarding the number of shares purchased or sold at each separate price. Mr. Bishkin is the general partner of the Bishkin 2000 Family, LP. Mr. Bishkin dislaims beneficial ownership of shares held by Bishkin 2000 Family, LP, except to the extent of any pecuniary interest therein. /s/ William Alberts by Power of Attorney 2012-12-19