General Updates

30th September2026 BSE Limited 25th Floor, Phiroze Jeejeebhoy Towers Dalal Street, 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 Sirs, Sub: Disclosure under Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Capital infusion in Wholly owned subsidiary Pursuant to Regulation 30 read with Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Company has infused USD 3 million (approximately Rs. 28.78 crore) into M/s. CUMI International Limited, Cyprus, a wholly owned subsidiary of the Company today, by way of subscription to its equity share capital. The investment has been made to support the funding requirements of CUMI International Limited in connection with the proposed closure of its wholly owned subsidiary in Germany, CUMI Awuko Abrasives GmbH. The details as required under SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 read with SEBI Master Circular No. HO/49/14/14(7)2025- CFDPOD2/I/3762/2026 dated 30th January 2026 is enclosed as Annexure. Kindly take the above information on record. Thanking you Yours faithfully, For Carborundum Universal Limited Rekha Surendhiran Company Secretary Encl. as above Annexure Particulars Information a. Name of the target entity details in brief such as M/s. CUMI International Limited (CIL), wholly size, turnover etc.; owned subsidiary of the Company. Registered equity capital: USD 50 million Paid up equity capital before current capital infusion – USD 43.64 million Paid up equity capital after current capital infusion – USD 44.24 million Size / Turnover – 0.50 million (as on 31.12.2025 – financial year of the WoS) b. whether the acquisition would fall within related Yes, the transaction is between the Company party transaction(s) and whether the promoter/ and its wholly owned subsidiary and hence the promoter group/ group companies have any investment is in a Related Party. interest in the entity being acquired? If yes, nature of interest and details thereof and In adherence to the pricing guidelines under whether the same is done at “arms length”; Foreign Exchange Management (Overseas Investment) Rules, 2022 read with Foreign Exchange Management (Overseas Investment) Regulations, 2022 read together with Foreign Exchange Management (Overseas Investment) Directions, 2022 as amended from time to time, the investment is made at fair value. The Company has a valuation report supporting the investment decision. No promoter/ promoter group/ group companies have any interest in the entity being acquired except to the extent of their shareholding in the Company. c. industry to which the entity being acquired Holding of overseas subsidiaries belongs; d. objects and effects of acquisition The investment has been made to support the funding requirements of CUMI International Limited in connection with the closure of its wholly owned subsidiary in Germany, CUMI Awuko Abrasives GmbH. e. brief details of any governmental or regulatory Not applicable approvals required for the acquisition; f. indicative time period for completion of the Not applicable acquisition; g. nature of consideration - whether cash Cash consideration by way of subscription to consideration or share swap and details of the equity shares. same; h. cost of acquisition or the price at which the USD 3 million (approximately Rs. 28.78 shares are acquired; crores). Particulars Information i. percentage of shareholding / control acquired The Company held 100% of the share capital and / or number of shares acquired; of CIL prior to the investment and continues to hold 100% of the share capital consequent to the investment. j. brief background about the entity acquired in CIL is a company incorporated in Cyprus on 7th terms of products/line of business acquired, June 2007 and is engaged in holding date of incorporation, history of last 3 years investments in overseas subsidiaries of the turnover, country in which the acquired entity Company. has presence and any other significant information (in brief); Turnover of last three financial years– 31.12.2023 – USD 4.89 million 31.12.2024 – USD 4.38 million 31.12.2025 – USD 0.50 million