WB [WEIBO] EFFECT: (Original Filing)

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WB [WEIBO] EFFECT: .FormData {color: blue; background-color: white; font-size: small; font-family:

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WB [WEIBO] FWP: (Original Filing)

[Issuer Free Writing Prospectus Registration No. 333-194589 April 14, 2014 Weibo Corporation http://www.sec.gov/Archives/edgar/data/1595761/000119312514141528/d652805df1a.htm This free writing prospectus reflects the following amendments that were made in Amendment No. 3. All references to page numbers are to page numbers in Amendment No. 3. (1) Add the following on pages 7 and 8: Recent Developments The following sets forth our selected unaudited financial]

WB [WEIBO] FWP: Issuer Free Writing Prospectus Registration No. 333-194589 April

[Issuer Free Writing Prospectus Registration No. 333-194589 April 14, 2014 Weibo Corporation http://www.sec.gov/Archives/edgar/data/1595761/000119312514141528/d652805df1a.htm This free writing prospectus reflects the following amendments that were made in Amendment No. 3. All references to page numbers are to page numbers in Amendment No. 3. (1) Add the following on pages 7 and 8: Recent Developments The following sets forth our selected unaudited financial]

WB [WEIBO] CORRESP: (Original Filing)

[KADDEN RPS LATE EAGHER LOM S ARTNERS P OHN DEBIYI ¿ J HRISTOPHER ETTS C DWARD AM ¿ E AUL ITCHARD ¿ G.S. P LIVE OUGH ¿ C ONATHAN TONE J LEC RACY A ¿ LSO DMITTED IN NGLAND ALES LSO DMITTED IN EW ORK * (A EGISTERED OREIGN AWYERS R ILL AI ALIFORNIA W ULIE AO ALIFORNIA Z. J]

WB [WEIBO] CORRESP: KADDEN RPS LATE EAGHER LOM S ARTNERS P

[KADDEN RPS LATE EAGHER LOM S ARTNERS P OHN DEBIYI ¿ J HRISTOPHER ETTS C DWARD AM ¿ E AUL ITCHARD ¿ G.S. P LIVE OUGH ¿ C ONATHAN TONE J LEC RACY A ¿ LSO DMITTED IN NGLAND ALES LSO DMITTED IN EW ORK * (A EGISTERED OREIGN AWYERS R ILL AI ALIFORNIA W ULIE AO ALIFORNIA Z. J]

WB [WEIBO] F-1/A: (Original Filing)

[CALCULATION OF REGISTRATION FEE Title of each class of securities to (1)(2) Amount to be (1) Proposed maximum (1)(2) Proposed maximum Amount of registration (3) Class A ordinary shares, par value $0.00025 per share 23,000,000 $19.00 $437,000,000 (4) $56,285.60 (1) Estimated solely for the purpose of determining the amount of registration fee in accordance with Rule 457(a) under the Securities] [Weibo Corporation [20,000,000] Class A Ordinary Shares, in the form of American Depositary Shares Underwriting Agreement April [ ], 2014 Goldman Sachs (Asia) L.L.C., Credit Suisse Securities (USA) LLC As representatives of the several Underwriters named in Schedule I hereto, c/o Goldman Sachs (Asia) L.L.C. 68th Floor, Cheung Kong Center, 2 Queen’s Road Central, Hong Kong Ladies and Gentlemen: Company] [Weibo Corporation NAME AND ADDRESS CERTIFICATE NUMBER DISTINCTIVE NUMBERS PAR VALUE PER SHARE OF SHAREHOLDER FROM TO DATE OF ISSUE NO. OF SHARES CONSIDERATION PAID SHARE CERTIFICATE OF Weibo Corporation INCORPORATED IN THE CAYMAN ISLANDS THIS IS TO CERTIFY THAT THE UNDERMENTIONED PERSON IS THE REGISTERED HOLDER OF THE SHARES SPECIFIED HEREUNDER SUBJECT TO THE MEMORANDUM AND ARTICLES OF ASSOCIATION] [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/688185-000001/6814757v3 Direct tel +852 2971 3046 Email richard.spooner@maplesandcalder.com Weibo Corporation 7/F, Shuohuang Development Plaza, No. 6 Caihefang Road, Haidian District, Beijing, 100080 People’s Republic of China 14 April 2014 Dear Sirs Weibo Corporation Company Registration Statement ADSs Shares We have acted as Cayman Islands legal advisers to Weibo Corporation (the “ 1 Documents Reviewed For the purposes of] [AMENDED AND RESTATED SHAREHOLDERS’ AGREEMENT among ALI WB INVESTMENT HOLDING LIMITED, SINA CORPORATION and WEIBO CORPORATION dated as of March 14, 2014 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS SECTION 1.01. Certain Defined Terms 1 SECTION 1.02. Interpretation and Rules of Construction 11 ARTICLE II GOVERNANCE SECTION 2.01. Agreement to Vote 11 SECTION 2.02. Size and Composition of Board 12] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the use in this Registration Statement on Form F-1 of Weibo Corporation of our report dated February 18, 2014 relating to the combined and consolidated financial statements of Weibo Corporation, which appears in such Registration Statement. We also consent to the reference to us under the heading “Experts” in] [April 12, 2014 Weibo Corporation 7/F, Shuohuang Development Plaza, No. 6 Caihefang Road, Haidian District, Beijing, 100080 People’s Republic of China Dear Sirs/Madams: Re: Weibo Corporation PRC Company Registration Statement Offering ADSs Ordinary Shares We are lawyers qualified in the People’s Republic of China (“ Opinion With respect to the Offering, you have requested us to furnish an opinion (the]

WB [WEIBO] F-1/A: CALCULATION OF REGISTRATION FEE Title of each class

[CALCULATION OF REGISTRATION FEE Title of each class of securities to (1)(2) Amount to be (1) Proposed maximum (1)(2) Proposed maximum Amount of registration (3) Class A ordinary shares, par value $0.00025 per share 23,000,000 $19.00 $437,000,000 (4) $56,285.60 (1) Estimated solely for the purpose of determining the amount of registration fee in accordance with Rule 457(a) under the Securities] [Weibo Corporation [20,000,000] Class A Ordinary Shares, in the form of American Depositary Shares Underwriting Agreement April [ ], 2014 Goldman Sachs (Asia) L.L.C., Credit Suisse Securities (USA) LLC As representatives of the several Underwriters named in Schedule I hereto, c/o Goldman Sachs (Asia) L.L.C. 68th Floor, Cheung Kong Center, 2 Queen’s Road Central, Hong Kong Ladies and Gentlemen: Company] [Weibo Corporation NAME AND ADDRESS CERTIFICATE NUMBER DISTINCTIVE NUMBERS PAR VALUE PER SHARE OF SHAREHOLDER FROM TO DATE OF ISSUE NO. OF SHARES CONSIDERATION PAID SHARE CERTIFICATE OF Weibo Corporation INCORPORATED IN THE CAYMAN ISLANDS THIS IS TO CERTIFY THAT THE UNDERMENTIONED PERSON IS THE REGISTERED HOLDER OF THE SHARES SPECIFIED HEREUNDER SUBJECT TO THE MEMORANDUM AND ARTICLES OF ASSOCIATION] [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/688185-000001/6814757v3 Direct tel +852 2971 3046 Email richard.spooner@maplesandcalder.com Weibo Corporation 7/F, Shuohuang Development Plaza, No. 6 Caihefang Road, Haidian District, Beijing, 100080 People’s Republic of China 14 April 2014 Dear Sirs Weibo Corporation Company Registration Statement ADSs Shares We have acted as Cayman Islands legal advisers to Weibo Corporation (the “ 1 Documents Reviewed For the purposes of] [AMENDED AND RESTATED SHAREHOLDERS’ AGREEMENT among ALI WB INVESTMENT HOLDING LIMITED, SINA CORPORATION and WEIBO CORPORATION dated as of March 14, 2014 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS SECTION 1.01. Certain Defined Terms 1 SECTION 1.02. Interpretation and Rules of Construction 11 ARTICLE II GOVERNANCE SECTION 2.01. Agreement to Vote 11 SECTION 2.02. Size and Composition of Board 12] [CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the use in this Registration Statement on Form F-1 of Weibo Corporation of our report dated February 18, 2014 relating to the combined and consolidated financial statements of Weibo Corporation, which appears in such Registration Statement. We also consent to the reference to us under the heading “Experts” in] [April 12, 2014 Weibo Corporation 7/F, Shuohuang Development Plaza, No. 6 Caihefang Road, Haidian District, Beijing, 100080 People’s Republic of China Dear Sirs/Madams: Re: Weibo Corporation PRC Company Registration Statement Offering ADSs Ordinary Shares We are lawyers qualified in the People’s Republic of China (“ Opinion With respect to the Offering, you have requested us to furnish an opinion (the]

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