IRB Invit Fund has informed the Exchange regarding Disclosure of material issue

Date: September 24, 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 Ref.: Scrip Code: 540526, Symbol: IRBINVIT Sub.: Proposed institutional placement of units (the “Units” and such institutional placement, “Issue”) of IRB InvIT Fund (“Trust”) under the Securities and Exchange Board of India (Infrastructure Investment Trusts) Regulations, 2014, as amended (“SEBI InvIT Regulations”) and the master circular issued by the Securities and Exchange Board of India bearing number SEBI/HO/DDHS-PoD-2/P/CIR/2025/102 dated July 11, 2025, as amended (“Master Circular”) We wish to inform you that in furtherance of the approval accorded by the Board of directors of the IRB Infrastructure Private Limited (acting in its capacity as the Investment Manager to the Trust) (“Board”), at its meeting held on July 02, 2026 and the unitholders of the Trust, pursuant to the resolution passed by way of postal ballot on August 03, 2026, the Board has at its meeting held today i.e. September 24, 2026, inter alia, passed the following resolutions: a. Authorizing the opening of the Issue today, i.e. September 24, 2026; b. Approving the floor price for the Issue, being ₹ 64.26/- per Unit (“Floor Price”), based on the pricing formula as prescribed under the SEBI InvIT Regulations read with the Master Circular; c. Approving and adopting the preliminary placement document dated September 24, 2026 together with the application form in connection with the Issue. We further wish to inform you that the Board has fixed the ‘relevant date’ for the purpose of the Issue, in terms of in terms of paragraph 7.9.1 of the Master Circular, as September 24, 2026, and accordingly the floor price in respect of the Issue has been determined, based on the pricing formula as prescribed under in terms of paragraph 7.9.1 of the Master Circular, as ₹ 64.26/- per Unit. The Issue price will be determined by the Investment Manager in consultation with the lead managers appointed for the Issue. Further, in accordance with the Code of Conduct for Regulating, Monitoring and Reporting of Trading by Designated Persons and their Immediate Relatives of IRB InvIT Fund (“the Trust”), the trading window remains closed for dealing in the units of the Trust and it shall remain closed till further notice to the Stock Exchanges. You are requested to take note of the same. Thanking you. Yours faithfully, For IRB Infrastructure Private Limited (Investment Manager to IRB InvIT Fund) Swapna Arya Company Secretary and Compliance Officer Membership Number – A32376 IDBI Trusteeship Services Limited Ground Floor, Universal Insurance Building, Sir Phirozshah Mehta Road, Fort Mumbai 400 001