Intimation regarding Closure of Trading Window.

September 28, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers “Exchange Plaza”, Plot No. C-1, Block G Dalal Street Bandra – Kurla Complex, Bandra (East) Mumbai-400001 Mumbai – 400 051 Scrip Code: 535754 Symbol: ORIENTCEM Sub.: Closure of Trading Window for dealing in Securities of the Company in terms of the SEBI (Prohibition of Insider Trading) Regulations, 2015 as amended (SEBI PIT Regulations’). Dear Sir/ Madam, Pursuant to SEBI PIT Regulations, we wish to inform you that the Trading Window for dealing in securities of the Company shall remain closed with effect from October 1, 2026, till 48 hours after the announcement of the Un-audited Financial Results of the Company for the quarter and half year ended September 30, 2026. The date for the upcoming Board Meeting of the Company for the declaration of the Un- audited Financial Results for the quarter and half year ended on September 30, 2026, will be intimated in due course. This intimation will also be uploaded on the Company’s website at www.orientcement.com. Kindly take note of the above. Thanking you, Yours Sincerely, For Orient Cement Limited Pranjali Dubey Company Secretary and Compliance Officer Membership No. A52179 Orient Cement Limited Registered Office Adani Corporate House Shantigram, Near Vaishno Devi Circle, S.G. Highway, Khodiyar, Ahmedabad – 382421, Gujarat, India Ph. +91 79-2656 5555 investors@orientcement.com www.orientcement.com CIN: L26940GJ2011PLC171878