Enclosed intimation pertaining to allotment of equity shares under ESOP Plan 2016.

31st July 2026 BSE Limited 25th Floor, Phiroze Jeejeebhoy Towers Dalal Street, Fort, Stock Code: 513375 Mumbai 400 001 National Stock Exchange of India Ltd. Exchange Plaza, 5th Floor Plot No. C/1, G Block Bandra-Kurla Complex, Bandra (E) Stock Code: CARBORUNIV Mumbai 400 051 Dear Sir, Sub: Allotment of Equity shares under ESOP Scheme This is to inform you that the Company has on 31st July 2026 allotted 5,000 equity shares of Re.1/- each arising out of the exercise of stock options, granted to option grantee of the Company under the Company’s ESOP Plan 2016. We wish to further inform you that consequent to this allotment, the number of equity shares outstanding is 19,04,98,502 and the paid-up equity share capital is Rs. 19,04,98,502/-. Kindly acknowledge the receipt. Thanking you. Yours faithfully For Carborundum Universal Limited Rekha Surendhiran Company Secretary