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/SE046/2026-27 October 01, 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 Deputy Commissioner, Commercial Tax Department Ranipet, Tamil Nadu under section 73 of CGST Act 2017 on October 01, 2026. The show cause notice is issued under DRC01 dated September 30, 2026 over tax and other dues amounting to Rs. 1731.47 lakhs for the period 2023-24 towards alleged output turnover discrepancies, input tax discrepancies and ITC reversals discrepancies noticed on scrutiny under Section 61 of the TNGST Act, 2017. 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 October 01, 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. Deputy The authority has issued a show cause Alleged output turnover Rs. 1123.30 Rs. 495.24 Rs. 112.93 Rs. 1731.47 The Company, prima facie, Commissioner, notice over tax and other dues discrepancies, input tax lakhs lakhs lakhs lakhs believes that the demands are Commercial Tax amounting to Rs. 1731.47 lakhs for FY discrepancies and ITC erroneous and not sustainable. Department 2023-24 towards alleged output reversals discrepancies on The Company will be Ranipet, Tamil Nadu turnover discrepancies, input tax scrutiny under Section 61 of submitting its response before discrepancies and ITC reversals the TNGST Act, 2017 authority within prescribed timelines. The company firmly discrepancies under Section 73 of believes that the financial CGST Act, 2017 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.