Trading Window

REF: GTL/CS-SE/2026-27/19 September 28, 2026 Department of Corporate Services Corporate Communication Department BSE Limited National Stock Exchange of India Ltd. Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, 25th Floor, Dalal Street, Plot No. C/1, G Block, Fort, Mumbai 400 001. Bandra Kurla Complex Bandra (East), Mumbai 400 051. (BSE Code: 500160 NSE Symbol: GTL ISIN: INE043A01012) Dear Sir/s, Sub: Trading Window Closure Period under the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 In terms of the provisions of Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, the Company is required to notify "Trading Window Closure Period" to all its Insiders, as defined under the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015. In this connection and further to BSE Circular No. LIST/COMP/01/2019-20 & NSE letter no. NSE/CML/2019/11 dated April 2, 2019 and Company's internal code of conduct for prevention of insider trading, the Trading Window for dealing in securities of the Company will remain closed for Directors/ Officers and designated employees of the Company (including their immediate relatives) from Thursday, October 1, 2026 and open 48 hours after the declaration of financial results of the Company for the quarter ended September 30, 2026. Thanking you, Yours faithfully, For GTL Limited Pratik Toprani Harshad Kulkarni Company Secretary Chief Financial Officer Note: This letter is submitted electronically with BSE & NSE through their respective web-portals. GTL LIMITED Regd Off: 6th Floor, Building No. A, Plot No EL-207, MIDC, TTC Industrial Area, Mahape, Navi Mumbai - 400 710 India. Tel: + 91-22-2761 2929 I Fax : +91 -22-2768 9990 I www.gtllimited.com I CIN No. - L40300MH1987PLC045657 Corp Off: 412, lanmabhoomi Chambers, 29 Walchand Hirachand Marg, Ballard Estate, Mumbai - 400 001, India. Tel : +91 - 22 -2271 5000 Fax : +91 -22-2271 5332