Enclosed herewith intimation regarding revision in Credit Rating.

16 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 regarding revision in credit rating. Dear Sir / Madam, Pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with Para A of Part A of Schedule III thereto, we would like to inform the Exchanges about the revision in credit ratings of the Company’s Bank Loan Facilities as communicated by India Ratings and Research Private Limited vide their Press Release dated 16 September 2026. Facilities / Amount Current Rating Previous Rating Rating Action Instrument (INR in Million) Long-Term Bank 13,040 IND AA/Stable/IND A1+ IND AA-/Stable/IND Credit ratings Facilities / Short- A1+ upgraded / Term Bank Facilities affirmed Long-Term Bank 30,000 IND AA/Stable/IND A1+ - Assigned Facilities / Short- Term Bank Facilities A copy of the press release is available on the website of the rating agency at the following link: https://www.indiaratings.co.in/pressrelease/85799 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 Mem. No.: F6786