[Joint Filing Agreement [Remainder of this page has been left intentionally blank.] Sheng Chen Sheng Chen Fast Horse Technology Limited Sheng Chen Director Sunrise Corporate Holding Ltd. Sheng Chen] [1 Name Of Reporting Person Sheng Chen 2 Check the Appropriate Box if a Member of a Group ¨ ¨ (a) 3 SEC Use Only 4 Citizenship or Place of Organization The Peoples Republic of China Number of Shares Beneficially Owned by Each]
[Joint Filing Agreement [Remainder of this page has been left intentionally blank.] Sheng Chen Sheng Chen Fast Horse Technology Limited Sheng Chen Director Sunrise Corporate Holding Ltd. Sheng Chen] [1 Name Of Reporting Person Sheng Chen 2 Check the Appropriate Box if a Member of a Group ¨ ¨ (a) 3 SEC Use Only 4 Citizenship or Place of Organization The Peoples Republic of China Number of Shares Beneficially Owned by Each]
[JOINT FILING AGREEMENT nd day of February, 2007. Waddell & Reed Financial, Inc. Waddell & Reed Financial Services, Inc. Waddell & Reed, Inc. Waddell & Reed Investment Management Company Ivy Investment Management Company EX-1 2 d477786dex1.htm JOINT FILING AGREEMENT] [Waddell & Reed Investment Management Company - Tax ID No. 48-1106973 Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940 Ivy Investment Management Company - Tax ID No. 03-0481447 Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940 EX-2 3 d477786dex2.htm IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY] [POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, THAT IN WITNESS WHEREOF th day of November, 2010. Waddell & Reed Financial, Inc. Henry J. Herrmann Chief Executive Officer Attest: Wendy J. Hills Secretary POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, THAT IN WITNESS WHEREOF th day of November, 2010. Waddell & Reed Financial Services, Inc. Henry J.] [CUSIP No. 90138A103 13G 1. NAME OF REPORTING PERSON Ivy Investment Management Company Tax ID No. 03-0481447 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER 6.]
[JOINT FILING AGREEMENT nd day of February, 2007. Waddell & Reed Financial, Inc. Waddell & Reed Financial Services, Inc. Waddell & Reed, Inc. Waddell & Reed Investment Management Company Ivy Investment Management Company EX-1 2 d477786dex1.htm JOINT FILING AGREEMENT] [Waddell & Reed Investment Management Company - Tax ID No. 48-1106973 Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940 Ivy Investment Management Company - Tax ID No. 03-0481447 Investment Advisor registered under Section 203 of the Investment Advisors Act of 1940 EX-2 3 d477786dex2.htm IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY] [POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, THAT IN WITNESS WHEREOF th day of November, 2010. Waddell & Reed Financial, Inc. Henry J. Herrmann Chief Executive Officer Attest: Wendy J. Hills Secretary POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, THAT IN WITNESS WHEREOF th day of November, 2010. Waddell & Reed Financial Services, Inc. Henry J.] [CUSIP No. 90138A103 13G 1. NAME OF REPORTING PERSON Ivy Investment Management Company Tax ID No. 03-0481447 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER 6.]
[JOINT FILING AGREEMENT Dated: February 6, 2013 ATRIX ARTNERS HINA M Matrix China Management I, L.P. Matrix China I GP GP, Ltd. David Su Director ATRIX ARTNERS HINA M Matrix China Management I, L.P. Matrix China I GP GP, Ltd. David Su Director ATRIX HINA ANAGEMENT M Matrix China I GP GP, Ltd.] [CUSIP No. 90138A 10 3 1. Names of Reporting Persons Matrix Partners China I, L.P. 2. Check the Appropriate Box if a Member of a Group (See Instructions) ¨ (a) ¨ (b) 3. SEC Use Only 4. Citizenship or Place of Organization]
[JOINT FILING AGREEMENT Dated: February 6, 2013 ATRIX ARTNERS HINA M Matrix China Management I, L.P. Matrix China I GP GP, Ltd. David Su Director ATRIX ARTNERS HINA M Matrix China Management I, L.P. Matrix China I GP GP, Ltd. David Su Director ATRIX HINA ANAGEMENT M Matrix China I GP GP, Ltd.] [CUSIP No. 90138A 10 3 1. Names of Reporting Persons Matrix Partners China I, L.P. 2. Check the Appropriate Box if a Member of a Group (See Instructions) ¨ (a) ¨ (b) 3. SEC Use Only 4. Citizenship or Place of Organization]
[SCHEDULE 13G/A (Amendment No. 1) 21Vianet Group, Inc (Name of Issuer) Class A Common Stock (Title of Class of Securities) 90138A103 (CUSIP Number) December 31, 2012 (Date of Event Which Requires Filing of this Statement) o Rule 13d-1(b) x Rule 13d-1(c) o Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person’s initial filing]
[SCHEDULE 13G/A (Amendment No. 1) 21Vianet Group, Inc (Name of Issuer) Class A Common Stock (Title of Class of Securities) 90138A103 (CUSIP Number) December 31, 2012 (Date of Event Which Requires Filing of this Statement) o Rule 13d-1(b) x Rule 13d-1(c) o Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person’s initial filing]
[21Vianet Group, Inc. Reports Third Quarter 2012 Financial Results 3Q12 Net Revenues Up 51.4% YOY to RMB396.1 Million 3Q12 Adjusted EBITDA Up 41.4% YOY to RMB76.0 Million Live Conference Call to be Held at 8:00 AM U.S. Eastern Time, November 16, 2012 Beijing, November 15, 201221Vianet Group, Inc. (NASDAQ: VNET) (21Vianet or the Company), the largest carrier-neutral Internet data center] [21Vianet Group, Inc. By : Name : Shang-Wen Hsiao Title : President and Chief Financial Officer]
[21Vianet Group, Inc. Reports Third Quarter 2012 Financial Results 3Q12 Net Revenues Up 51.4% YOY to RMB396.1 Million 3Q12 Adjusted EBITDA Up 41.4% YOY to RMB76.0 Million Live Conference Call to be Held at 8:00 AM U.S. Eastern Time, November 16, 2012 Beijing, November 15, 201221Vianet Group, Inc. (NASDAQ: VNET) (21Vianet or the Company), the largest carrier-neutral Internet data center] [21Vianet Group, Inc. By : Name : Shang-Wen Hsiao Title : President and Chief Financial Officer]
