X0203 3 2011-05-04 0 0001107694 RACKSPACE HOSTING, INC. RAX 0001521244 Pichler Karl 5 MILLINGTON ROAD, HYDE PARK HAYES MIDDLESEX X0 UB3 4AZ UNITED KINGDOM 0 1 0 0 Interim CFO Common Stock 29320 D Employee Stock Option (right to buy) 2.50 2009-12-31 2015-12-31 Common Stock 66250 D Employee Stock Option (right to buy) 3.00 2009-12-31 2015-12-31 Common Stock 2500 D Employee Stock Option (right to buy) 4.00 2009-12-31 2015-12-31 Common Stock 22500 D Employee Stock Option (right to buy) 19.51 2020-03-10 Common Stock 1200 D Employee Stock Option (right to buy) 19.51 2020-03-10 Common Stock 2262 D Employee Stock Option (right to buy) 18.66 2017-08-11 Common Stock 3732 D Employee Stock Option (right to buy) 18.66 2017-08-11 Common Stock 45 D Employee Stock Option (right to buy) 38.62 2018-02-15 Common Stock 20000 D 1,922 of these shares were granted as restricted stock units on March 10, 2010 and 1/4 of the shares vest annually from the grant date; 1,798 of these shares were granted as restricted stock units on August 11, 2010 and 1/4 of the shares vest annually from the grant date. 1/4 of the options vest annually beginning on the grant date of March 10, 2010. 1/4 of the options vest annually beginning on the grant date of August 11, 2010. 1/4 of the options vest annually beginning on the grant date of February 15, 2011. /s/ William Alberts byPower of Attorney 2011-05-19