Certificate under SEBI (Depositories and Participants) Regulations, 2018

Registered Office: “THIRUMALAI HOUSE”, Plot No. 101-102, Road No. 29, Sion (East), Mumbai – 400 022, India PHONE: +91 – 22– 43686200 FAX +91 – 22 – 24011699 E- MAIL: thirumalai@thirumalaichemicals.com Website: www.thirumalaichemicals.com (AN ISO 9001, 14001, 50001/ HACCP & FSSC 22000 CERTIFIED COMPANY) CIN: L24100MH1972PLC016149 TCL/SE020/2026-27 July 15, 2026 The National Stock Exchange of India Limited BSE Limited Listing Department Department of Corporate Services Exchange Plaza, Bandra Kurla Complex Floor 25, Phiroze Jeejeebhoy Towers Bandra (East) Dalal Street Mumbai 400 051 Mumbai 400 001 Scrip code: TIRUMALCHM Scrip code: 500412 Dear Sir/ Ma’am, Sub.: Confirmation certificate in accordance with Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 Please find enclosed herewith confirmation certificate for the quarter ended June 30, 2026 issued by MUFG Intime India Private Limited i.e., our Registrar & Transfer Agent in accordance with Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Kindly take the above information in your records. Thanking you, For Thirumalai Chemicals Limited Aditya Sharma Company Secretary & Compliance officer MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai - 400083. Tel: +91 22 4918 6000 www.in.mpms.mufg.com Date : 01-07-2026 The Compliance Officer/ Company Secretary THIRUMALAI CHEMICALS LIMITED THIRUMALAI HOUSE, ROAD NO. 29, NEAR SION HILL FORT, SION - E, MUMBAI PINCODE : 400022 Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th June 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 confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Ashok Shetty Sr. Vice President-Corporate Registry MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Services