[Investor Presentation October 2017 1 1. SINA Overview 2. Executing the Right Strategy and Delivering Value 3. Highly-Qualified and Experienced Board 4. Aristeia’s False Claims and Self-Serving Agenda Executive Summary SINA Board and management: Track record of delivering outstanding performance and ]

[QuickLinks -- Click here to rapidly navigate through this document ​ ​ ​ ​ ​ ​ ​ ​ WHITE SINA URGES SHAREHOLDERS TO VOTE "FOR" SINA DIRECTOR YICHEN ZHANG AND "AGAINST" ARISTEIA'S NOMINEES, BRETT KRAUSE AND THOMAS MANNING, ON THE ARISTEIA'S HALF-TRUTHS AND MISINFORMATION PURPOSELY CONCEAL THE FACTS, ]

[WHITE SINA URGES SHAREHOLDERS TO VOTE THE THE CURRENT SINA BOARD BRINGS A PROVEN RECORD OF VALUE CREATION DRIVEN BY WORLD-CLASS EXPERIENCE AND FINANCIAL ACUMEN ARISTEIA HAS FAILED TO PRESENT CANDIDATES WITH ADDITIVE SKILLS OR EXPERIENCE SINA URGES SHAREHOLDERS TO VOTE “AGAINST” EACH OF ARISTEIA’S NO]

[Use these links to rapidly review the document SINA CORPORATION NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS To Be Held on November 3, 2017 On November 3, 2017, SINA Corporation, a Cayman Islands company (the " Company "), will hold its annual general meeting of shareholders (the " 2017 Annual G]

[SINA Confirms Receipt of Nominations from Aristeia Capital BEIJING, Sept. 18, 2017 /PRNewswire/ — SINA Corporation (the “Company” or “SINA”) (NASDAQ: SINA), a leading online media company serving China and the global Chinese communities, today confirmed that Aristeia Capital, L.L.C. (together with c]