Form 4 Filing for Pamela F. Lenehan

Pamela F. Lenehan, a director at ATN International, Inc. (ATNI), acquired 4,788 shares of common stock on June 16, 2026. These shares were part of a restricted stock grant under the Issuer's 2023 Equity Incentive Plan, serving as payment for her 2026 annual director retainer. The acquisition price was based on a moving average of $27.15 per share over the preceding twenty days, as of June 12, 2026. Following this transaction, Ms. Lenehan directly owns 38,086 shares. Additionally, she has indirect ownership of 1,500 shares held by her spouse.