[QuickLinks -- Click here to rapidly navigate through this document Alibaba Group Announces Hangzhou, China, November 13, 2014 — Alibaba Group Holding Limited (NYSE: BABA) today announced that it proposes to offer senior unsecured notes (the "notes"), subject to market and other conditions. The principal amount, interest rates, maturity dates and other terms of the notes have not been finalized] [QuickLinks -- Click here to rapidly navigate through this document SUPPLEMENTAL INFORMATION RELATING TO ALIBABA GROUP II. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL Overview We are the largest online and mobile commerce company in the world in terms of gross merchandise volume in 2013, according to the IDC GMV Report. We operate our marketplaces as a platform for third parties,] [Page Unaudited Interim Consolidated Income Statements for the Six Months Ended September 30, 2013 and 2014 F-2 Unaudited Interim Consolidated Statements of Comprehensive Income for the Six Months Ended September 30, 2013 and 2014 F-3 Unaudited Interim Consolidated Balance Sheets as of March 31, 2014 and September 30, 2014 F-4 Unaudited Interim Consolidated Statement of Changes in Shareholders' Equity for] [—]

[-2- ALIBABA GROUP HOLDING LIMITED Maggie Wei WU Chief Financial Officer -3- Alibaba Group Announces September Quarter 2014 Results Hangzhou, China, November 4, 2014]