Approval of the Un-Audited Financial results of the Company for the Second Quarter and Half Year ended 30th September 2026

BSE/SEC/26-27/281 3rd November 2026 The Listing Department M/s BSE Limited P.J. Towers Dalal Street, Mumbai - 400 001. Scrip Code: 506808 Dear Sir/Ma’am, 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 (03.11.2026) the Directors have amongst other subjects, approved the Un-Audited Financial results of the Company for the Second Quarter and Half Year ended 30th September 2026 pursuant to Regulation 33 of SEBI (Listing Obligations and Disclosure Requirements) Regulation, 2015. A copy of the Unaudited financial results along with the Limited Review report for the quarter and half year ended 30th September, 2026 is enclosed. Board meeting commenced at 4.00 P.M. (IST) and concluded at 5.30 P.M. (IST). Kindly request you to take the same on record. Thanking you, Yours Truly, For Tuticorin Alkali Chemicals and Fertilizers Limited. C S Vijayalakshmi Company Secretary