[SINA Reports First Quarter 2013 Financial Results SHANGHAI, China—May 16, 2013— 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 first quarter ended March 31, 2013. First Quarter 2013 Highlights · Net revenues increased 19% year over year to $126.0 million. Non-GAAP net revenues] [FORM 6-K May 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 Press Release regarding Results of Operations and Financial Condition for the First Quarter Ended March 31, 2013 , issued by SINA Corporation on May 20, 2013.]