As filed with the Securities and Exchange Commission on March 10, 2021 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition peri ...

| --- | --- | --- | |---------------------------------------------------------------|-------|-------| | | | | | | | | | Resilient cash flow and customer growth Fourth Quarter 2020 | | | | Mauricio Ramos, CEO Tim Pennington, CFO February 11 th , 2021 | | | | Millicom International Cellular S.A. | | | Safe Harbor Cautionary Language Concerning Forward-Looking Statements Statements included herein that are not historical facts, including without limitation statements concerning future strategy, plans, objectiv ...

Millicom International Cellular S.A. (NASDAQ:TIGO) Q4 2020 Earnings Conference Call February 11, 2021 8:00 AM ET Company Participants Michel Morin - Vice President of Investor Relations Mauricio Ramos - Chief Executive Officer Tim Pennington - Senior Executive Vice President & Chief Financial Officer Conference Call Participants Stefan Gauffin - DNB Bank Peter Nielsen - ABG Lena Osterberg - Carnegie Investment Bank Johanna Ahlqvist - Scandinavia Enskilda Marcelo Santos - JPMorgan Bill Miller - MAI Capital M ...

| --- | --- | --- | |--------------------------------------------|-------|-------| | | | | | | | | | Getting Back on Track Third Quarter 2020 | | | | | | | | Mauricio Ramos, CEO | | | | Tim Pennington, CFO October 30 th , 2020 | | | | Millicom International Cellular S.A. | | | Safe Harbor Cautionary Language Concerning Forward-Looking Statements Statements included herein that are not historical facts, including without limitation statements concerning future strategy, plans, objectives, expectations and in ...

As filed with the Securities and Exchange Commission on February 28, 2020 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . OR ☐ SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report Commission file number: ...

As filed with the Securities and Exchange Commission on February 28, 2019 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition p ...