MILLICOM PROPOSES NEW CHAIRMAN AND NEW BOARD DIRECTORS

New York and Stockholm, 29 April 2010 – Millicom International Cellular S.A. (“Millicom”) (Nasdaq Stock Market: MICC and Stockholmsbörsen: MIC) today announces that ahead of the Annual General Meeting on 25 May 2010, the Nomination Committee proposes to re-elect Ms Mia Brunell Livfors, Ms Donna Cordner, Mr Paul Donovan, Mr Daniel Johannesson, Mr Michel Massart and Mr Allen Sangines-Krause as Non-Executive Directors of Millicom, and to elect Mr Hans-Holger Albrecht and Mr Omari Issa as Non-Executive Directors of Millicom. Mr Kent Atkinson has informed the Board that he does not intend to stand for re-election. In addition, Mr Daniel Johannesson has informed the Board of his intention to stand down as Non-Executive Chairman at the AGM. The Nomination Committee proposes to elect Mr Allen Sangines-Krause as Non-Executive Chairman. Mr Johannesson will replace Mr Sangines-Krause as Vice Chairman. As part of these proposed changes, the Nomination Committee will also propose to the AGM that the Board will comprise eight directors instead of the current level of seven. Mr Hans-Holger Albrecht is President and CEO of Modern Times Group MTG AB, a position he has held since 2000. During this period, MTG’s broadcasting operations have expanded strongly from its core Nordic and Baltic regions to become one of the leading commercial broadcasters in Europe. Before joining MTG in 1997, Mr Albrecht worked for Daimler-Benz and for the Luxembourg-based media group CLT, where he was responsible for all television activities and for business development in Germany and Eastern Europe. Mr Albrecht is co-Chairman of CTC Media Inc, the largest commercial television broadcaster in Russia, in which MTG has a 38.9% stake, and a member of the Board of the International Emmy Association in New York. He was born in Brussels, Belgium, in 1963 and studied at the University of Freiburg in Germany, at Yale University in the USA, and at the University of Bochum, Germany, where he received a Master of Law degree. Mr Omari Issa is the CEO of Investment Climate Facility for Africa, an organisation whose mandate is to improve Africa’s investment climate and remove barriers to growth. Mr Issa was previously Executive Director and Chief Operating Officer of Celtel International, where he was instrumental in managing the company’s growth and expansion across Africa. Prior to working at Celtel, Mr Issa spent 14 years with the IFC and six years with the World Bank. Mr Issa was born in 1947. He has a Bachelor of Science (Honours) from The Polytechnic of Central London, and an MBA from Columbia University, New York. Daniel Johannesson, Chairman of the Board, said: ”I am delighted to propose Hans-Holger and Omari to the Board of Directors of Millicom. Hans-Holger has a very strong track record of delivering growth in new markets and leveraging new technology to deliver innovative entertainment services to customers. Omari is one of the most experienced telecoms executives in Africa, and has a clear commitment to improving the investment climate across the continent. Both these sets of skills will be invaluable to Millicom as the business increases its focus on innovation and new services, and targets continued strong growth in its African operations. “On behalf of the Board I would like to thank Kent for his valuable contribution over the last three years, during a period of strong growth and significant progress for Millicom. “For my part, I am honoured to have served as Chairman for six years, during which time the business has become a major force in emerging markets mobile telecoms with a track record that is second to none. I look forward to continuing to contribute as a Non-Executive Director. I believe Allen will make a first-rate Chairman and will be ably supported by the depth of experience of my fellow Board members.”