Enclosed herewith intimation regarding the closure of trading window effective from 1 October 2026.

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 about the closure of the Trading Window. Dear Sir / Madam, This is to inform you that pursuant to the Company’s Code of Conduct for Regulating, Monitoring and Reporting of Trading by Insiders read with the provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, the trading window for dealing in the securities of the Company by Designated Persons, including all Directors, Designated Employees, Insiders and their Immediate Relatives will remain closed from Thursday, 1 October 2026 up to the completion of 48 hours after the declaration of the Unaudited Financial Results (Standalone and Consolidated) of the Company for the quarter ending on 30 September 2026. The details of the Board Meeting will be intimated in due course. You are requested to kindly take note of the same. Thanking you, Yours faithfully, For R R Kabel Limited Anup Vaibhav C Khanna Company Secretary and Compliance Officer ICSI M. No.: F6786