General Updates

Reliance Communications Limited Tel : +91 022 3038 6286 Dhirubhai Ambani Knowledge City Fax: +91 022 3037 6622 Navi Mumbai - 400 710, India www.rcom.co.in Email Id: mca.rocfiling@rcom.co.in August 15, 2026 The General Manager The Manager Corporate Relationship Department National Stock Exchange of India Ltd. BSE Limited Exchange Plaza, C/1, Block G Phiroze Jeejeebhoy Towers Bandra - Kurla Complex, Bandra (East) Dalal Street, Fort, Mumbai 400 051 Mumbai 400 001 BSE Scrip Code: 532712 NSE Symbol: RCOM Dear Sir(s), Sub: Disclosure pursuant to Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015- Invocation/Encashment of Financial Bank Guarantees by the Department of Telecommunications Reliance Communications Limited (“RCOM” / “Company”) hereby inform the Stock Exchanges that the Company has received/intimated of communications issued by the Department of Telecommunications, Ministry of Communications, Government of India (“DoT”) to various respective banks, whereby DoT has invoked/encashed certain Financial Bank Guarantees (“FBGs”) furnished by various banks on behalf of RCOM in relation to deferred spectrum payment obligations. The aforesaid communications have been issued by DoT in connection with the alleged default in payment of deferred annual instalments payable towards spectrum acquired by RCOM pursuant to various spectrum auctions. Background RCOM had acquired spectrum in various spectrum auctions conducted by DoT and, pursuant to the terms and conditions applicable to the respective spectrum auctions, was required to furnish FBGs towards securing the deferred annual spectrum instalments payable to DoT. The relevant FBGs were issued by various banks on behalf of RCOM in favour of DoT. DoT, vide its communications received by the Company, has stated that certain deferred annual spectrum instalments remained unpaid and, consequently, has invoked/encashed the FBGs furnished in relation to the respective spectrum obligations. Details of the invocation The communications issued by DoT refer to the respective spectrum auctions and the deferred payment obligations arising therefrom. DoT has invoked the relevant FBGs in accordance with the terms and conditions governing the respective spectrum auctions and the corresponding FBG arrangements. Registered Office: Reliance Communications Limited. H Block, 1st Floor, Dhirubhai Ambani Knowledge City, Navi Mumbai - 400 710 CIN No.: L45309MH2004PLC147531 In particular, DoT has communicated to the respective issuing banks that, in view of the non- payment/default in respect of the deferred annual spectrum instalments, the FBGs furnished by the banks on behalf of RCOM are being invoked/encashed and the proceeds thereof are required to be remitted to DoT. The invocation of the FBGs relates to the following spectrum auctions: 1. 2013 Spectrum Auction – Yes Bank Limited DoT has invoked/encashed FBGs issued by Yes Bank Limited on behalf of RCOM aggregating to ₹281,44,90,001 in relation to spectrum acquired pursuant to the 2013 spectrum auction. 2. 2015 and 2016 Spectrum Auctions – Punjab National Bank DoT has invoked/encashed FBGs issued by Punjab National Bank on behalf of RCOM aggregating to ₹114,09,30,516 in relation to spectrum acquired pursuant to the 2015 and 2016 spectrum auctions. 3. 2015 Spectrum Auction – Canara Bank DoT has invoked/encashed FBGs issued by Canara Bank on behalf of RCOM aggregating to ₹157,07,55,606 in relation to spectrum acquired pursuant to the 2015 spectrum auction. 4. 2014 and 2015 Spectrum Auctions – State Bank of India DoT has invoked/encashed FBGs issued by State Bank of India on behalf of RCOM aggregating to ₹249,29,21,711 in relation to spectrum acquired pursuant to the 2014 and 2015 spectrum auctions. Financial implications The aggregate amount of the FBGs invoked/encashed pursuant to the aforesaid communications is ₹801.91 crore approximately. The invocation/encashment of the FBGs may have corresponding financial implications for RCOM to the extent of the amounts invoked/encashed by DoT. The Company is presently examining the detailed financial and legal implications arising from the aforesaid invocation/encashment, including the consequential impact, if any, on the Company's liabilities and claims in relation to the underlying spectrum payment obligations. Status of the matter The Company has taken note of the aforesaid communications issued by DoT and is examining the same, including the basis and manner of invocation of the respective FBGs and the consequential implications thereof. The Company will take such further steps as may be considered appropriate in accordance with applicable law and the ongoing Corporate Insolvency Resolution Process (“CIRP”) of RCOM. The Company is presently examining the aforesaid communications and the consequential implications thereof. Further developments, as and when material, will be appropriately disclosed to Registered Office: Reliance Communications Limited. H Block, 1st Floor, Dhirubhai Ambani Knowledge City, Navi Mumbai - 400 710 CIN No.: L45309MH2004PLC147531 the Stock Exchanges in accordance with the applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015. You are requested to kindly take the above information on record. Thanking you. Yours faithfully, For Reliance Communications Limited Rakesh Gupta Company Secretary (Reliance Communications Limited is under corporate insolvency resolution process pursuant to the provisions of the Insolvency and Bankruptcy Code, 2016. With effect from June 28, 2019, its affairs, businessand assets are being managed by, and the powers of the board of directors are vested in, the Resolution Professional, Mr. Anish Niranjan Nanavaty, appointed by Hon'ble National Company Law Tribunal, Mumbai Bench, vide order dated June 21, 2019 which was published on the website of the Hon'ble National Company Law Tribunal, Mumbai Bench on June 28, 2019). Registered Office: Reliance Communications Limited. H Block, 1st Floor, Dhirubhai Ambani Knowledge City, Navi Mumbai - 400 710 CIN No.: L45309MH2004PLC147531