Nomination Committee proposes election of new Board Member

Stockholm, April 27, 2012 – In advance of the Millicom International Cellular
S.A. (“Millicom”) (Stockholmsbörsen: MIC) Annual General Meeting to be held on
May 29, 2012, the Nomination Committee of Millicom, comprised of Cristina
Stenbeck on behalf of Investment AB Kinnevik, Kerstin Stenberg on behalf of
Swedbank Robur Funds and Allen Sangines-Krause in his capacity as Chairman of
the Board of Directors of Millicom, proposes the re-election of Hans Holger
Albrecht, Mia Brunell Livfors, Donna Cordner, Paul Donovan, Kim Ignatius and
Omari Issa as Non-Executive Directors and Allen Sangines-Krause as Non-Executive
Chairman of the Board of Directors.  The Committee also proposes the election of
Mr Dionisio Romero Paoletti as a new Non-Executive Director of the
Company.

Mr Dionisio Romero Paoletti is Chairman and President of the Romero
Group, a Peruvian business group founded in the late 1800s and today comprising
numerous companies across a wide range of sectors from consumer products to
textiles, logistics, infrastructure, trading and services. The Group also has a
controlling interest in Credicorp (BAP), the largest financial conglomerate in
Peru which is listed on the New York and Lima Stock Exchanges.  Mr Romero
Paoletti developed his executive career within several companies in the Romero
Group and succeeded his father as Chairman of the Group in 2001. He has served
as a Board Member of Credicorp and Banco De Credito del Peru since 2003 and as
Chairman since 2009. A complete list of Mr Romero Paoletti’s directorships is
available at www.millicom.com. He holds a bachelor’s degree in Economics from
Brown University and a master’s degree in Business Administration from Stanford
University.

Cristina Stenbeck, Chairman of the Nomination Committee,
commented: "The Nomination Committee believes that Dionisio Romero Paoletti can
offer Millicom valuable strategic guidance given his regional Latin American
expertise and his leadership of a multi-generational family conglomerate, both
as principal and Chairman. Romero Group spans a wide range of industries and
includes businesses in the consumer goods and financial services sectors. As
Millicom expands its range of value-added services across its markets and
embarks on its next phase of growth, we are delighted to be able to nominate
such a highly qualified individual for election to the Board."
Contacts

Chairman of the Nomination Committee
Cristina
Stenbeck
                                                         
Tel: +46 (0) 8 562
000 00

Chief Financial Officer
François-Xavier Roger
Tel: +352 27 759
327

Investor Relations
Justine Dimovic
Tel: +352 27 759 479
Emily
Hunt
Tel: +44 7779 018 539

Visit our web site at www.millicom.com
About Millicom

Millicom International Cellular S.A. is a global
telecommunications group with mobile telephony operations in 13 countries in
Latin America and Africa. It also operates various combinations of fixed
telephony, cable and broadband businesses in five countries in Central America.
The Group’s mobile operations have a combined population under license of
approximately 270 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. employees or representatives
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.