IRB Infrastructure Developers Limited — Capital/Financing Update 2025

Oct 7, 2025

October 7, 2025

To, Corporate Relationship Department, BSE Limited Phiroze Jeejeebhoy Towers Dalal Street, Mumbai 400 001.

Listing Department, National Stock Exchange of India Limited Exchange Plaza, C-1 Block G, 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

Dear Sir / Madam,

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/research/infrastructure-project-finance/fitch-affirms-irb-infrastructure-usdnotes-at-bb-outlook-stable-07-10-2025

You are requested to kindly take the above information on record.

Thank you,

Yours Faithfully,

For IRB Infrastructure Developers Limited

Digitally signed Mehulkuma by Mehulkumar r Natwarlal Natwarlal Patel Patel Date: 2025.10.07 20:12:09 +05'30'

Mehul Patel Company Secretary