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/SE035/2026-27 August 19, 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, Central GST and Central Excise, Audit Commissionerate, Vadodara under Section 65 of CGST Act, 2017 The show cause notice is issued under Section 74 of CGST Act, 2017 for the non reversal of ITC on stock difference relating to the audit period April 2020 to March 2024 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, Yours faithfully, For Thirumalai Chemicals Limited Aditya Sharma Company Secretary & Compliance officer Encl: As above Annexure to disclosure under Regulation 30 dated August 19, 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. Assistant The authority has issued a show cause Non reversal of ITC on stock Rs. 33.47 lakhs Not ascertained Not ascertained Rs. 33.47lakhs The Company, prima facie, Commissioner, notice under Section 74 of CGST Act, difference relating to the audit believes that the demands are Central GST and 2017 based on the Audit of the period April 2020 to March erroneous and not sustainable. Central Excise, Audit taxpayer under Section 65 of CGST 2024 The Company will be commissionerate, Act, 2017 submitting its response before authority within prescribed Vadodara 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.