ATN International Limited has announced the closure of its trading window for all designated persons and their immediate relatives. This closure is in accordance with the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, and the company's internal code of conduct for preventing insider trading. The trading window will be shut from January 1, 2026, and will remain closed until 48 hours after the declaration of the Unaudited Financial Results for the quarter ended December 31, 2025. This intimation is provided for the necessary action and record of the stock exchanges.