Action(s) initiated or orders passed

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/SE044/2026-27 September 30, 2026 The National Stock Exchange of India BSE Limited Limited Department of Corporate Services Listing Department Floor 25, Phiroze Jeejeebhoy Towers Exchange Plaza, Bandra Kurla Complex Dalal Street Bandra (East) Mumbai 400 001 Mumbai 400 051 Scrip code: 500412 Scrip code: TIRUMALCHM Dear Sir/ Madam, Sub.: Disclosure under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this is to inform that the Company has received a show cause notice from Office of Assistant Commissioner, Ranipet (Sipcot), Assessment Circle, Ranipet under Section 73 of CGST Act, 2017. The show cause notice is issued with regard to alleged discrepancies under exempted turnover reported by the Company, excess claim of ITC and short payment of tax based on the scrutiny for the Assessment Year 2022-2023. The Company will be submitting its response to the show cause notice before authority within prescribed timelines. The company firmly believes that the financial implication, if any, that may arise out of this is likely to be very insignificant and will not have any material impact on the financial position of the Company. The details as required under SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Circular No. HO/49/14/14(7)2025-CFD- POD2/I/3762/2026 dated 30th January, 2026 is enclosed as "Annexure - A". Kindly take the above information in your records. Thanking you, For Thirumalai Chemicals Limited Aditya Sharma Company Secretary & Compliance officer Encl: As above Annexure to disclosure under Regulation 30 dated September 30, 2026 Annexure – A Sr.No Name of authority Impact on financial, operation or other activities of the Expected Financial Nature and details of the action(s) Details of the violation(s) Corporation, quantifiable in monetary terms to the extent implications, if any, due to taken, initiated or order(s) passed. committed or alleged to be these demand orders. possible committed Tax Interest Penalty Total 1. Office of Assistant The authority has issued a show cause Alleged discrepancies under Rs. 7.37 lakhs Rs. 5.31 lakhs Rs. 0.84 lakhs Rs. 13.52lakhs The Company, prima facie, Commissioner, notice under Section 73 of CGST Act, exempted turnover (SEZ unit)) believes that the demands are Ranipet (Sipcot), 2017 based on the scrutiny of returns. reported by the Company, erroneous and not sustainable Assessment Circle, excess claim of ITC and short as these transactions pertains to Ranipet payment of tax based on the SEZ unit for which GST is not applicable. The Company will scrutiny for the Assessment be submitting its response Year 2022-2023. before authority within prescribed timelines. The company firmly believes that the financial implication, if any, that may arise out of this is likely to be very insignificant and will not have any material impact on the financial position of the Company.