Enclosed intimation analysts/ Investor call in connection with unaudited financial results with quarter/ half year ended 30th September 2026.

28th October 2026 BSE Limited, 25th Floor, Phiroze Jeejeebhoy Towers, Dalal Street, Fort Mumbai 400 001 Stock Code: 513375 National Stock Exchange of India Ltd. Exchange Plaza, 5th Floor Plot No. C/1, G Block Bandra-Kurla Complex, Bandra (E) Stock Code: CARBORUNIV Dear Sir/Madam, Sub: Disclosure on schedule of Investor Call Pursuant to Regulation 30(2) of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that an Analyst/Investor call in connection with the unaudited financial results for the quarter/half year ended 30th September 2026 is being organised by the Company and details for joining the call is given below: Nature of the Date Organised by Link Time Meeting 3rd November Group Meeting Kotak Securities 11:00 hrs. Click Here 2026 (Over Call) Limited (IST) Dial-in Details Universal access (accessible from all networks and countries) USA 21:30 (PST) +91 22 7195 0000 UK 05:30 (BST) Singapore 13:30 (SGT) Hong Kong 13:30 (HKT) Request you to kindly take the above on record. Thanking you Yours faithfully, For Carborundum Universal Limited Rekha Surendhiran Company Secretary