Unaudited financial results for the quarter ended 30th June,2026

Ref: TFL/SEC/280 12.8.2026 Department of Corporate Affairs BSE Limited PJ Towers Dalal Street, Fort, Mumbai – 400 001. SCRIP: 506808 Dear Sir, Sub: Outcome of the Board Meeting- Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 We wish to inform that at the meeting of the Board of Directors held today (12.08.2026) the Directors have amongst other subjects, approved the following: A. Un-Audited Financial Results of the Company for the quarter ended 30th June 2026 pursuant to Regulation 33 of SEBI (Listing Obligations and Disclosure Requirements) Regulation, 2015. A copy of the Un-Audited Financial Results along with the Limited Review Report for the quarter ended 30th June 2026 is enclosed. B. The Board’s report for the year 2025-26 C. 53rd Annual General Meeting of the Company is scheduled to be held on Friday, the 25th September 2026 at 5.00 P.M. (IST) through Video Conferencing (“VC”) / Other Audio Visual Means (“OAVM”). Board meeting commenced at 2.00 P.M. (IST) and concluded at 4.00 P.M. (IST). We request you to kindly take the above on record. Yours Faithfully, For Tuticorin Alkali Chemicals and Fertilizers Limited C.S. Vijayalakshmi Company Secretary Encl: As above. Tuticorin Alkali Chemicals and Fertilizers Limited 88, Mount Road Guindy Chennai - 600 032 India Tel +91 44 22352513 Fax +91 44 22352163 CIN: L24119TN1971PLC006083 Email: info@tacfert.com Website: www.tacfert.in