NOTICE OF FIRST QUARTER 2010 RESULTS AND CONFERENCE CALL

NOTICE OF FIRST QUARTER 2010 RESULTS AND CONFERENCE CALL 

TUESDAY, 20 APRIL 2010

Millicom International Cellular S.A. will announce its financial results for the
first quarter of 2010 on Tuesday, 20 April 2010 at 7.00 AM (New York) / 12.00 PM
(London) / 1.00 PM (Stockholm).
The company will host a conference call for the global financial community at
9.00 AM (New York) / 2.00 PM (London) / 3.00 PM (Stockholm). 
The conference call will be webcast in listen-only mode on Millicom's website at
www.millicom.com.

To participate in the conference call, please register at: 

www.sharedvalue.net/millicom/Q110

The dial-in number and passcode to join the conference call will be available
upon registration.

Millicom International Cellular S.A. is a global telecommunications group with
mobile telephony operations in 14 countries in Latin America, Africa and Asia.
It also operates cable and broadband businesses in five countries in Central
America. The Group's mobile operations have a combined population under license
of approximately 267 million people.