Thermax Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 05/11/2026 ,inter alia, to consider and approve financial results for the quarter and half year ended September 30, 2026

October 12, 2026 The Secretary National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block G, PJ Towers, Dalal Street Bandra Kurla Complex, Mumbai: 400 001 Bandra (E) Company Scrip Code: 500411 Mumbai – 400 051 Company Scrip Code: THERMAX EQ Sub: Board Meeting intimation Ref: Regulation 29 of the SEBI (Listing Obligations & Disclosure Requirements) Regulations, 2015 Dear Sir/Ma’am, This is to inform you that a meeting of the Board of Directors of the Company has been scheduled to be held on Thursday, November 5, 2026, inter alia to consider and approve the draft un-audited financial results for the quarter and half-year ended September 30, 2026 along with related segment- wise financial results. As intimated earlier vide our letter dated September 25, 2026 regarding closure of Trading Window, we wish to inform you that the same will open 48 hours after declaration of financial results for quarter and half-year ended September 30, 2026. You are kindly requested to take note of the same Thanking you, Yours faithfully, For THERMAX LIMITED, Sangeet Hunjan Company Secretary & Compliance Officer Membership No: A23218