X0303 5 2010-12-31 0 0 0000891106 STERLING FINANCIAL CORP /WA/ STSA 0001368203 COSTA DONN C 111 N. WALL STREET SPOKANE WA 99201 1 EVP/Home Loan Division Exec. Common Stock 2010-12-31 5 J 0 121 A 164 I 401K Common Stock 2862 D Not required. To balance 401(k) company share ownership at 12/31/2010 -- This amount reflects shares owned through employee contributions as well as company match shares at 12/31/2010. Amended Form 4 to correct Mr. Costa's officer title previously reported in error. Mr. Costa currently holds the title of EVP/Home Loan Division Executive. /s/ Daniel G. Byrne, attorney-in-fact 2011-02-01