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

[Joint Filing Agreement Remainder of this page has been left intentionally blank [ February 13 , 201 5 . Alibaba Group Holding Limited Timothy A. Steinert General Counsel and Secretary Ali WB Investment Holding Limited]

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

[Press Release regarding Results of Operations and Financial Condition for the Third Quarter ended September 30, 2014, issued by Weibo Corporation on November 13, 2014 WEIBO CORPORATION Bonnie Yi Zhang Chief Financial Officer BEIJING, China—November 13, 2014—]

WB [WEIBO] 6-K: Press Release regarding Results of Operations and Financial

[Press Release regarding Results of Operations and Financial Condition for the Third Quarter ended September 30, 2014, issued by Weibo Corporation on November 13, 2014 WEIBO CORPORATION Bonnie Yi Zhang Chief Financial Officer BEIJING, China—November 13, 2014—]

WB [WEIBO] S-8:

[] [J.P.Morgan TABLE OF CONTENTS Page PARTIES 1 RECITALS 1 Section 1. Certain Definitions (a) ADR Register 1 (b) ADRs; Direct Registration ADRs 1 (c) ADS 1 (d) Custodian 1 (e) Deliver, execute, issue et al. 1 (f) Delivery Order 2 (g) Deposited Securities 2 (h) Direct Registration System 2 (i) Holder] [Our Ref SSY/688185-000001/7443355v2 Direct tel +852 3690 7498 Email sophie.yu@maplesandcalder.com Weibo Corporation 7th Floor, Shuohuang Development Plaza No. 6 Caihefang Road Haidian District, Beijing 100080 The People’s Republic of China 30 September 2014 Dear Sirs Weibo Corporation (the “Company”) Registration Statement Shares Plans As Cayman Islands counsel to the Company, we have examined the corporate authorisations of the Company in] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated February 18, 2014 relating to the combined and consolidated financial statements of Weibo Corporation, which appears in Amendment No. 3 to the Registration Statement on Form F-1 (No. 333-194589) filed on April 14, 2014.]

WB [WEIBO] S-8: (Original Filing)

[] [J.P.Morgan TABLE OF CONTENTS Page PARTIES 1 RECITALS 1 Section 1. Certain Definitions (a) ADR Register 1 (b) ADRs; Direct Registration ADRs 1 (c) ADS 1 (d) Custodian 1 (e) Deliver, execute, issue et al. 1 (f) Delivery Order 2 (g) Deposited Securities 2 (h) Direct Registration System 2 (i) Holder] [Our Ref SSY/688185-000001/7443355v2 Direct tel +852 3690 7498 Email sophie.yu@maplesandcalder.com Weibo Corporation 7th Floor, Shuohuang Development Plaza No. 6 Caihefang Road Haidian District, Beijing 100080 The People’s Republic of China 30 September 2014 Dear Sirs Weibo Corporation (the “Company”) Registration Statement Shares Plans As Cayman Islands counsel to the Company, we have examined the corporate authorisations of the Company in] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated February 18, 2014 relating to the combined and consolidated financial statements of Weibo Corporation, which appears in Amendment No. 3 to the Registration Statement on Form F-1 (No. 333-194589) filed on April 14, 2014.]

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

[Press Release regarding Results of Operations and Financial Condition for the Second Quarter ended June 30, 2014, issued by Weibo Corporation on August 14, 2014 WEIBO CORPORATION Bonnie Yi Zhang Chief Financial Officer BEIJING, China—August 14, 2014— Second Quarter 2014 Highlights • Net revenues increased 105% year over year to $77.3 million. • Advertising and marketing revenues grew 99% year]

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

[TABLE OF CONTENTS Press Release regarding Results of Operations and Financial Condition for the First Quarter ended March 31, 2014, issued by Weibo Corporation on May 21, 2014 WEIBO CORPORATION Bonnie Yi Zhang Chief Financial Officer Weibo Reports First Quarter 2014 Financial Results BEIJING, China—May 21, 2014— First Quarter 2014 Highlights • Net revenues increased 161% year over year to]

WB [WEIBO] 6-K: TABLE OF CONTENTS Press Release regarding Results of

[TABLE OF CONTENTS Press Release regarding Results of Operations and Financial Condition for the First Quarter ended March 31, 2014, issued by Weibo Corporation on May 21, 2014 WEIBO CORPORATION Bonnie Yi Zhang Chief Financial Officer Weibo Reports First Quarter 2014 Financial Results BEIJING, China—May 21, 2014— First Quarter 2014 Highlights • Net revenues increased 161% year over year to]

WB [WEIBO] 424B4: (Original Filing)

[16,800,000 American Depositary Shares Weibo Corporation Representing 16,800,000 Class A Ordinary Shares This is an initial public offering of American depositary shares, or ADSs, of Weibo Corporation. We are offering 16,800,000 ADSs. Each ADS represents one Class A ordinary share, par value $0.00025 per share. Prior to this offering, there has been no public market for our ADSs or our]

WB [WEIBO] 424B4: 16,800,000 American Depositary Shares Weibo Corporation Representing 16,800,000

[16,800,000 American Depositary Shares Weibo Corporation Representing 16,800,000 Class A Ordinary Shares This is an initial public offering of American depositary shares, or ADSs, of Weibo Corporation. We are offering 16,800,000 ADSs. Each ADS represents one Class A ordinary share, par value $0.00025 per share. Prior to this offering, there has been no public market for our ADSs or our]

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