Updates

October 5, 2026 Corporate Relationship Department, Listing Department, BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, C-1 Block G, Dalal Street, Mumbai 400 001. Bandra Kurla Complex, Bandra (E), Mumbai 400 051 Dear Sir / Ma’am, Ref: Scrip Code: 532947, Symbol: IRB Sub.: Intimation of Credit Rating by Fitch Ratings Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, it is hereby informed that Fitch Ratings has affirmed IRB Infrastructure Developers Limited's Long-Term Issuer Default Rating and the rating on its US-dollar senior secured notes at 'BB+'. The Outlook is Stable. Type of Rating Earlier Rating Revised Rating Status Long-Term Issuer Default Rating BB+ BB+ Affirmed US- Dollar Senior Secured Notes BB+ BB+ Affirmed For ratings rationale and other details, please refer to the communication from Fitch Ratings at https://www.fitchratings.com/site/pr/10360437 You are requested to kindly take the above information on record. Thank you, Yours Faithfully, For IRB Infrastructure Developers Limited Mehul Patel Company Secretary