Certificate under Regulation 74(5) of SEBI (DP) Regulations, 2018 for the second quarter ended 30th September 2026

Ref: TFL/SEC/2026-27/Q2 14.10.2026 The Manager Bombay Stock Exchange Limited Department of Corporate Services P.J. Towers Dalal Street Mumbai - 400 001 Scrip code: 506808 Dear Sir, Sub - Certificate under Regulation 74(5) of the SEBI (Depositories and Participants) Regulations, 2018 for the Quarter ended 30th September 2026 In compliance with Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018, we are enclosing herewith a copy of Certificate dated 09.10.2026 received from M/s. Cameo Corporate Services Limited, Chennai, the Registrar and Share Transfer Agent of the Company, for the second quarter ended 30th September 2026 for your records. Thanking you. Yours faithfully, For Tuticorin Alkali Chemicals and Fertilizers Limited C S Vijayalakshmi Company Secretary Encl: as above. CAMEO CORPORATE SERVICES LIMITED Ref: CAM/TAC/74(5)/2026 9TH October, 2026 THE COMPANY SECRETARY M/S. TUTICORIN ALKALI CHEMICALS & FERTILIZERS LTD SPIC HOUSE (8TH FLOOR) 88 MOUNT ROAD GUINDY CHENNAI 600042 Dear Sir Subject: Certificate under of Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 for the quarter ended 30.09.2026. ------ With reference to the above captioned subject, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th September 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in register of members as the registered owner within stipulated time limit under captioned regulations. Thanking you Yours faithfully For CAMEO CORPORATE SERVICES LIMITED ASST. MANAGER (SHARES) CIN No:U67120TN1998PLC041613 'Subramanian Building', No.1, Club House Road, Chennai-600 002. Phone: (D) 044-40020710 / 044-2846 0390, Fax: 044-2846 0129 E-mail: cameo@cameoindia.com Website: www.cameoindia.com