WB [WEIBO] 20-F: FORM 20-F (Mark One) o OR x OR

[FORM 20-F (Mark One) o OR x OR o OR o Date of event requiring this shell company report . . . . . . . . . . . . . . . . . . . For the transition period from to WEIBO CORPORATION Cayman Islands (Jurisdiction of incorporation or organization) 7/F, Shuohuang Development Plaza, No. 6 Caihefang] [Execution Version SERIES A-16 PREFERRED SHARE PURCHASE AGREEMENT Agreement THIS SERIES A-16 PREFERRED SHARE PURCHASE AGREEMENT (this “ 1. Company 2. Weibo Investor 3. Party Parties Each of the parties listed above is referred to herein individually as a “ RECITALS A. B. C. WITNESSETH NOW, THEREFORE, in consideration of the foregoing recitals, the mutual promises hereinafter set forth, and] [List of Major Subsidiaries and Variable Interest Entities Subsidiary Jurisdiction of Organization Weibo Hong Kong Limited (formerly known as T.CN Hong Kong Limited) Hong Kong Weibo Internet Technology (China) Co. Ltd. PRC Beijing Weimeng Technology Co. Ltd. PRC Beijing Weibo Interactive Internet Technology Co., Ltd. PRC EX-8.1 3 a15-25021_1ex8d1.htm EX-8.1] [I, Gaofei Wang, certify that: 1. 2. 3. 4. a. b. c. d. 5. a. b. Gaofei Wang Chief Executive Officer EX-12.1 4 a15-25021_1ex12d1.htm EX-12.1] [I, Herman Yu, certify that: 1. 2. 3. 4. a. b. c. d. 5. a. b. Herman Yu Chief Financial Officer EX-12.2 5 a15-25021_1ex12d2.htm EX-12.2] [(1) (2) April 28, 2016 Gaofei Wang Chief Executive Officer EX-13.1 6 a15-25021_1ex13d1.htm EX-13.1] [(1) (2) April 28, 2016 Herman Yu Chief Financial Officer EX-13.2 7 a15-25021_1ex13d2.htm EX-13.2] [[Maples and Calder Letterhead] Weibo Corporation 7/F, Shuohuang Development Plaza No. 6 Caihefang Road, Haidian District Beijing 100080 People’s Republic of China 28 Dear Sirs, Weibo Corporation We hereby consent to the reference to our firm under the headings “Item 10.B. Additional Information—Memorandum and Articles of Association” and “Item 10.E. Additional Information—Taxation—Cayman Islands Taxation” in the Annual Report, and we] [[TransAsia Lawyers Letterhead] Weibo Corporation 7/F, Shuohuang Development Plaza No. 6 Caihefang Road, Haidian District Beijing 100080 People’s Republic of China April 28, 2016 Yours faithfully, For and on behalf of TransAsia Lawyers EX-15.2 9 a15-25021_1ex15d2.htm EX-15.2] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-199022) of Weibo Corporation of our report dated April 28, 2016, relating to the consolidated financial statements, which appears in this Form 20-F. PricewaterhouseCoopers Zhong Tian LLP Beijing, the People’s Republic of China April 28, 2016 EX-15.3]

WB [WEIBO] 6-K: (Original Filing)

[Weibo Reports Fourth Quarter and Fiscal Year 2015 Financial Results BEIJING, China, March 2, 2016—Weibo Corporation (“Weibo” or the “Company”) (NASDAQ: WB), a leading social media in China, today announced its unaudited financial results for the fourth quarter and fiscal year ended December 31, 2015. Fourth Quarter 2015 Highlights · · · · · · · Fiscal Year 2015 Highlights]

WB [WEIBO] 6-K: Weibo Reports Fourth Quarter and Fiscal Year 2015

[Weibo Reports Fourth Quarter and Fiscal Year 2015 Financial Results BEIJING, China, March 2, 2016—Weibo Corporation (“Weibo” or the “Company”) (NASDAQ: WB), a leading social media in China, today announced its unaudited financial results for the fourth quarter and fiscal year ended December 31, 2015. Fourth Quarter 2015 Highlights · · · · · · · Fiscal Year 2015 Highlights]

WB [WEIBO] SC 13G/A: Joint Filing Agreement Remainder of this page has

[Joint Filing Agreement Remainder of this page has been left intentionally blank [ February 16 , 201 6 . Alibaba Group Holding Limited Timothy A. Steinert General Counsel and Secretary Ali WB Investment Holding Limited]

WB [WEIBO] 6-K: SINA and Weibo Announce Board Changes SHANGHAI and

[SINA and Weibo Announce Board Changes SHANGHAI and BEIJING “Pehong and Lip-Bu have been members of SINA’s board of directors since 1999. We wish to express our sincere gratitude to them for their contributions to SINA during these years. We are delighted that Pehong will continue to work with us as a director of Weibo and we wish Lip-Bu all]

WB [WEIBO] 6-K: Weibo Reports Third Quarter 2015 Results BEIJING, China,

[Weibo Reports Third Quarter 2015 Results BEIJING, China, November 18, 2015—Weibo Corporation (“Weibo” or the “Company”) (NASDAQ: WB), a leading social media in China, today announced its unaudited financial results for the quarter ended September 30, 2015. Third Quarter 2015 Highlights · · · · · · · “We continue to see strong momentum in Weibo’s advertising and marketing business,]

WB [WEIBO] 6-K: (Original Filing)

[Weibo Reports Third Quarter 2015 Results BEIJING, China, November 18, 2015—Weibo Corporation (“Weibo” or the “Company”) (NASDAQ: WB), a leading social media in China, today announced its unaudited financial results for the quarter ended September 30, 2015. Third Quarter 2015 Highlights · · · · · · · “We continue to see strong momentum in Weibo’s advertising and marketing business,]

WB [WEIBO] 6-K: (Original Filing)

[WEIBO CORPORATION NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS To Be Held on November 5, 2015 Company AGM On Thursday, November 5, 2015, Weibo Corporation, a Cayman Islands company (the “ Record Date Only shareholders registered in the Company’s register of members at the close of business on September 24, 2015 (the “ “RESOLVED, · · In addition, the meeting] [WEIBO CORPORATION ( (NASDAQ Ticker: WB) PROXY CARD FOR ANNUAL GENERAL MEETING (OR ANY ADJOURNMENT THEREOF) 42ND FLOOR, EDINBURGH TOWER, THE LANDMARK, 15 QUEEN’S ROAD, CENTRAL, HONG KONG ON NOVEMBER 5, 2015 AT 2:00 P.M. (HONG KONG TIME) I/We, Please Print Name(s) of Please Print Address(es) (Note 1) (Note 2) (Note 3) as my/our proxy to attend and act for] [EX-99.3 4 a15-20397_1ex99d3.htm EX-99.3]

WB [WEIBO] 6-K: WEIBO CORPORATION NOTICE OF ANNUAL GENERAL MEETING OF

[WEIBO CORPORATION NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS To Be Held on November 5, 2015 Company AGM On Thursday, November 5, 2015, Weibo Corporation, a Cayman Islands company (the “ Record Date Only shareholders registered in the Company’s register of members at the close of business on September 24, 2015 (the “ “RESOLVED, · · In addition, the meeting] [WEIBO CORPORATION ( (NASDAQ Ticker: WB) PROXY CARD FOR ANNUAL GENERAL MEETING (OR ANY ADJOURNMENT THEREOF) 42ND FLOOR, EDINBURGH TOWER, THE LANDMARK, 15 QUEEN’S ROAD, CENTRAL, HONG KONG ON NOVEMBER 5, 2015 AT 2:00 P.M. (HONG KONG TIME) I/We, Please Print Name(s) of Please Print Address(es) (Note 1) (Note 2) (Note 3) as my/our proxy to attend and act for] [EX-99.3 4 a15-20397_1ex99d3.htm EX-99.3]

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