[SINA Reports Fourth Quarter 2012 Financial Results SHANGHAI, Feb. 19, 2013/PRNewswire/— SINA Corporation (NASDAQ GS: SINA), a leading online media company serving China and the global Chinese communities, today announced its unaudited financial results for the fourth quarter ended December 31, 2012. Fourth Quarter 2012 Highlights · Net revenues increased 4% year over year to $139.1 million. Non-GAAP net revenues] [FORM 6-K February 2013 SINA Corporation 37F, Jin Mao Tower 88 C entury B oulevard, P udong Shanghai 200 121 , China Form 20-F x Form 40-F o o o TABLE OF CONTENTS]

[SINA Announces Management Appointments SHANGHAI, Feb. 19, 2013/PRNewswire/— SINA Corporation (NASDAQ GS: SINA), a leading online media company serving China and the global Chinese communities, today announced the promotion of its Chief Operating Officer (“COO”) Hong Du to the position of COO and Co-President, and the appointment of Jack Xu to the position of Chief Technology Officer (“CTO”) and Co-President.] [FORM 6-K February 2013 SINA Corporation 37F, Jin Mao Tower 88 C entury B oulevard, P udong Shanghai 200 121 , China Form 20-F x Form 40-F o o o TABLE OF CONTENTS]