Dec 2017 SINA’s board of directors appointed Mr. James Jianzhang Liang, Chairman of Ctrip, as an independent director

Oct 2017 Weibo completed the offering of USD900 Million Convertible Senior Notes due 2022

May 2017 SINA announced 2nd distribution of Weibo shares to SINA shareholders

Dec 2016 Weibo’s monthly active users (“MAUs”) exceeded 300 million

Nov 2016 SINA and Weibo were added to the MSCI China Standard Index

Aug 2016 SINA announced 1st distribution of Weibo shares to SINA shareholders

Nov 2015 SINA completed an issuance of 11,000,000 ordinary shares to the Company’s Chairman and CEO Mr. Charles Chao

Sep 2015 Weibo’s average daily active users (“DAUs”) reached 100 million

Apr 2014 Weibo completed initial public offering on NASDAQ under the symbol “WB”

Nov 2013 SINA Prices Offering of US$700 Million Convertible Senior Notes

Apr 2013 SINA Forms Strategic Alliance with Alibaba to Enable Social Commerce

Apr 2013 SINA officially launched SINA News Application

Aug 2012 SINA Appointed Charles Chao as Chairman of the Board and CEO of SINA

Mar 2011 SINA Weibo’s registered users reached 100 million

Aug 2009 SINA launched SINA Weibo

May 2008 SINA launched news site in English to provide timely China news and content to the international community

Sep 2005 SINA became the first portal website to launch blogging service

Dec 2002 SINA.com changed its name to SINA Corporation

Jan 2001 SINA.com Becomes the First Internet Company to Receive Internet content provider (“ICP”) License in China

Apr 2000 SINA.com completed initial public offering on NASDAQ under the symbol “SINA”

Dec 1998 SINA.com was established

Dec 1993 SINA’s predecessor Stone Rich Sight was founded