FOR IMMEDIATE RELEASE Citigroup Inc. (NYSE: C) Samantha Mostyn appointed non-executive director of Citibank Australia Sydney, 19 July, 2011: Citibank Australia today announced the appointment of Samantha Mostyn as a non-executive director of Citigroup Pty Limited, the legal entity which trades as Citibank in Australia. Mr Richard Warburton, Chairman of Citigroup Pty Limited, said, “It is with pleasure that we announce the appointment of Sam to the board. She brings to the role a wealth of experience in corporate governance and financial services from which the bank will greatly benefit.” From 2002 to 2008, Ms Mostyn was a member of the senior executive team at Insurance Australia Group. She previously held senior management positions with Singtel Optus and Cable & Wireless, and served as a senior adviser to a previous Australian federal government. Ms Mostyn is currently a company director for Transurban Group and Virgin Blue Holdings. She is also a Commissioner of the Australian Football League and President of the Australian Museum Trust. Ms Mostyn has a Bachelor of Law and Bachelor of Arts from the Australian National University. Citi: Citi, the leading global financial services company, has approximately 200 million customer accounts and does business in more than 140 countries. Through Citicorp and Citi Holdings, Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. Additional information may be found at www.citigroup.com , www.citi.com.au or www.citibank.com.au . Media Contact: Judy Hitchen Tel: +61 2 8225 1643 Email: [email protected] .