Intimation of Trading Window Closure is attached.

Date: 24th September, 2026 To, To, The Listing Department, The Listing Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, C-1, Block-G Phiroze Jeejeebhoy Towers Bandra Kurla complex, Bandra-East Dalal Street Mumbai-400 051 Mumbai-400 001 Symbol : STARCEMENT Scrip Code: 540575 Dear Sir(s)/Madam(s), Sub: Intimation of Closure of Trading Window Pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015 as amended and Company's ‘Code of Conduct to regulate, monitor and report trading by Designated Persons’, the Trading Window for dealing in the securities of the Company will remain be closed for all Directors, Officers, Designated Persons of the Company and their immediate relatives with effect from 1st October, 2026 till the end of 48 hours after the Un-audited Financial Results for the 2nd quarter and half year ending 30th September, 2026 are approved by the Board of Directors and filed with the Stock Exchanges. The date of meeting of the Board of Directors to approve the Un-audited Financial Results for the 2nd quarter and half year ending 30th September, 2026 will be informed in due course. Accordingly, all connected persons/Designated persons and their immediate relatives are advised not to trade in the securities of the Company during the aforesaid period of closure of trading window. This is for your information and record. Thanking you, For Star Cement Limited Debabrata Thakurta (Company Secretary) (M. No.: F6554)