[Joint Filing Agreement Andrew Y. Yan Andrew Y. Yan SAIF II GP Capital Ltd. Andrew Y. Yan Director of SAIF II GP Capital Ltd. SAIF Partners II L.P. Andrew Y. Yan Director of SAIF II GP Capital Ltd., which is the sole general partner of SAIF Partners II L.P. SAIF II GP L.P. Andrew Y. Yan Director of SAIF II] []
[13G CUSIP No. 86737M100 Page 2 of 11 Pages 1 Name of reporting person S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS JAFCO Asia Technology Fund III 2 Check the appropriate box if a member of a group x ¨ (a) 3 SEC use only 4 Citizenship or place of organization Cayman Islands Number of shares owned by each reporting]
[for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be filed for the purpose (Act) or otherwise subject to]
[for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be filed for the purpose (Act) or otherwise subject to]
[CUSIP No. 83408W103 1. Names of Reporting Persons Macquarie Group Limited 2. Check the Appropriate Box if a Member of a Group (See Instructions) x ¨ (a) 3. SEC Use Only 4. Citizenship or Place of Organization Sydney, New South Wales Australia Number of Shares Beneficially Owned by Each Reporting Person With 5. Sole Voting Power 0 6. Shared Voting]
[CUSIP No. 466090206 13G Page 2 of 10 1 NAMES OF REPORTING PERSONS Empire Capital Management, L.L.C. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ¨ (a) ý (b) 3 SEC USE ONLY]
[Joint Filing Agreement Andrew Y. Yan Andrew Y. Yan SAIF II GP Capital Ltd. Andrew Y. Yan Director of SAIF II GP Capital Ltd. SAIF Partners II L.P. Andrew Y. Yan Director of SAIF II GP Capital Ltd., which is the sole general partner of SAIF Partners II L.P. SAIF II GP L.P. Andrew Y. Yan Director of SAIF II] []
[for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be filed for the purpose (Act) or otherwise subject to]
[for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be filed for the purpose (Act) or otherwise subject to]
[CUSIP No. 466090206 13G Page 2 of 10 1 NAMES OF REPORTING PERSONS Empire Capital Management, L.L.C. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ¨ (a) ý (b) 3 SEC USE ONLY]
