Enclosed herewith intimation about the execution of the Business Transfer Agreement for purchase and acquisition of the Business Undertaking of U M Cables Limited by the Company.

25 September 2026 Corporate Relationship Department National Stock Exchange of India Limited BSE Limited Exchange Plaza, Plot No. C-1, Phiroze Jeejeebhoy Towers, Block G, Bandra – Kurla Complex, Dalal Street, Mumbai – 400 001 Bandra (East), Mumbai – 400 051 Scrip Code: 543981 Symbol: RRKABEL Sub: Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (the “SEBI Listing Regulations”) - Execution of Business Transfer Agreement for acquisition of Business Undertaking of U M Cables Limited Dear Sir / Madam, In continuation to our earlier intimation dated 24 September 2026 and pursuant to the provisions of Regulation 30 read with Para A of Part A of Schedule III of the SEBI Listing Regulations, we wish to inform you that R R Kabel Limited, U M Cables Limited (“UMCL”), a wholly-owned subsidiary of Usha Martin Limited, and Usha Martin Limited, have executed a Business Transfer Agreement on 25 September 2026 for the purchase and acquisition of UMCL's Business Undertaking by R R Kabel Limited by way of a slump sale on a going concern basis. The relevant disclosures pertaining to the above as required under Regulation 30 of the SEBI Listing Regulations read with SEBI Master Circular No. HO/49/14/14(7)2025-CFD- POD2/I/3762/2026 dated 30 January 2026, have already been made to the Stock Exchanges on 24 September 2026. This intimation is also being uploaded on the Company’s website at www.rrkabel.com We request you to take the above information on record. Yours faithfully, For R R Kabel Limited Anup Vaibhav C. Khanna Company Secretary and Compliance Officer ICSI M. No.: F6786