SINA [SINA] SC 13G/A: S.S. or I.R.S. Identification No. of Above Person
[S.S. or I.R.S. Identification No. of Above Person T. ROWE PRICE ASSOCIATES, INC. 52-0556948 2 Check the Appropriate Box if a Member of a Group* (a) ____ NOT APPLICABLE (b) ____ 3 SEC Use Only ______________________________ 4 Citizenship or Place of Organization MARYLAND Number of 5 Sole Voting Power ** Shares 519,883 Beneficially 6 Shared Voting Power ** Owned By]