Updates

August 27, 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, Ref.: Scrip Code: 532947, Symbol: IRB Subject: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Pursuant to Regulation 30 and in compliance with Regulation 36(1)(b) of the SEBI (Listing Obligations & Disclosure Requirements) Regulations, 2015, a letter providing a weblink along with the exact path, to access the Integrated Annual Report of the Company for the financial year 2025-26, are being dispatched to those shareholders whose e-mail address are not registered with the Company/Registrar and Transfer Agents/Depository Participant(s). A copy of the said letter is enclosed. We request you to take the above on record. Thank you, Yours faithfully, For IRB Infrastructure Developers Limited Mehul Patel Company Secretary & Compliance Officer Encl.: As above IRB INFRASTRUCTURE DEVELOPERS LIMITED Regd. Office: Off No-11th Floor/1101, Hiranandani Knowledge Park, Technology Street, Hill Side Avenue, Powai, Mumbai - 400 076; CIN: L65910MH1998PLC115967 E-mail: grievances@irb.co.in; Website: www.irb.co.in; Tel. No. 022-6733 6400; Fax No. 022-4053 6699 Date: August 27, 2026 Dear Member, Sub: Web-link to Notice of 28th Annual General Meeting of the Members of IRB Infrastructure Developers Limited and Annual Report for Financial Year 2025-2026 We are pleased to inform you that the 28th Annual General Meeting (‘AGM’) of the Members of IRB Infrastructure Developers Limited (‘the Company’) is scheduled to be held on Tuesday, September 22, 2026, at 11:30 a.m. through Video Conferencing / Other Audio-Visual Means (‘VC’/‘OAVM’), in compliance with the various circulars issued by MCA and SEBI from time to time. The Notice convening the 28th AGM (“Notice”) along with Annual Report for Financial Year 2025-2026 is being sent through electronic mode to those Members whose e-mail IDs are registered with the Company / Registrar & Share Transfer Agent (RTA) / Depository Participants (DPs). As per the records available with the Company and/or its RTA, your email address is not registered against your demat account/Folio No. Therefore, in terms of Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements), Regulations, 2015, we are sending you this letter to inform you that the Notice and Annual Report for FY 2025–26 can be accessed through the following link: Web link: https://www.irb.co.in/home/shareholders-meetings/ Path: (www.irb.co.in) – Investor’s Relation > Shareholders Meetings/Postal Ballot >Annual Reports In case you wish to register the email address, please approach your respective DP, if you hold shares in electronic form and if you hold shares in physical form, kindly write to RTA at the address mentioned below: M/s. KFin Technologies Limited (Unit: IRB Infrastructure Developers Limited), Selenium Tower-B, Plot No 31 & 32, Gachibowli, Financial District, Nanakramguda, Hyderabad – 500 032, Telangana As mandated by SEBI, in order to receive dividend in your bank accounts, kindly ensure that your Folio No./demat account is KYC compliant. Detailed procedure for updation is provided in the Notice of AGM. We appreciate your prompt attention to this letter. For any queries or further assistance, please reach out to the RTA at einward.ris@kfintech.com For IRB Infrastructure Developers Limited Sd/- Mehul Patel Company Secretary