X0306 4 2020-06-10 0 0000879585 ATN International, Inc. ATNI 0001218669 BENINCASA JUSTIN D C/O ATN INTERNATIONAL, INC. 500 CUMMINGS CENTER BEVERLY MA 01915 0 1 0 0 CFO Common Stock 2020-06-10 4 S 0 2398 62.59 D 59104 D Common Stock 2020-06-10 4 S 0 1602 63.38 D 57502 D These transactions were executed in multiple trades at prices ranging from $62.30 to $62.86. The price reported reflects the weighted average sale price. Full information regarding the number of shares sold and the prices at which the transaction were effected is available to the SEC staff, the issuer or any security holder of the issuer, upon request. These transactions were executed in multiple trades at prices ranging from $62.87 to $63.71. The price reported reflects the weighted average sale price. Full information regarding the number of shares sold and the prices at which the transaction were effected is available to the SEC staff, the issuer or any security holder of the issuer, upon request. /s/ Justin D. Benincasa 2020-06-11