MILLICOM EXTENDS CELLULAR LICENSE IN SRI LANKA TO 2018

New York and Stockholm - February 27, 2006 - Millicom International Cellular S.A. ("Millicom") (Nasdaq Stock Market: MICC, Stockholmsbörsen: MIC), one of the world's leading cellular operators in emerging markets, today announces that its subsidiary Celltel has extended its cellular license in Sri Lanka until 2018 at a cost of approximately US$5 million. Celltel has extended its license for 10 years from the expiry of the current license in September 2008 as well as reorganizing its spectrum which will also include 1800 Mhz spectrum going forward. Marc Beuls, President and CEO of Millicom, commented: “We are very pleased to have reached agreement for our license extension in Sri Lanka. Celltel is performing well and we are currently investing substantial sums in extra coverage and capacity across the network. The ability to exchange part of our current 900 Mhz spectrum for new 1800 Mhz spectrum will enable us to improve further the quality of the network.” Millicom International Cellular S.A. is a global telecommunications investor with cellular operations in Asia, Latin America and Africa. It currently has cellular operations and licenses in 16 countries. The Group’s cellular operations have a combined population under license of approximately 391 million people. This press release may contain certain “forward-looking statements” with respect to Millicom’s expectations and plans, strategy, management’s objectives, future performance, costs, revenues, earnings and other trend information. It is important to note that Millicom’s actual results in the future could differ materially from those anticipated in forward-looking statements depending on various important factors. Please refer to the documents that Millicom has filed with the U.S. Securities and Exchange Commission under the U.S. Securities Exchange Act of 1934, as amended, including Millicom’s most recent annual report on Form 20-F, for a discussion of certain of these factors. All forward-looking statements in this press release are based on information available to Millicom on the date hereof. All written or oral forward-looking statements attributable to Millicom International Cellular S.A., any Millicom International Cellular S.A members or persons acting on Millicom’s behalf are expressly qualified in their entirety by the factors referred to above. Millicom does not intend to update these forward-looking statements. CONTACTS: Marc Beuls President and Chief Executive Officer Millicom International Cellular S.A., Luxembourg Telephone: +352 27 759 327 Andrew Best Investor Relations Telephone: +44 20 7321 5022 Jon Coles / Tim Burt Brunswick Group Telephone: +44 20 7404 5959 Visit our web site at: www.millicom.com