General Updates

17th September 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers Exchange Plaza, Plot No. C-1 Dalal Street, Fort G Block, Bandra-Kurla Complex, Bandra(E) Mumbai – 400001 Mumbai -400051 Scrip Code: 543317 Symbol: GRINFRA Subject: Intimation under Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) – Invocation of Mobilization advance Bank Guarantee & Insurance Performance Surety bonds. Dear Sir, Pursuant to Regulation 30 read with Clause 20 of Para A, Part A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Company has received communications on 17th September 2026 regarding invocation by NTPC Limited of (i) the Mobilization Advance Bank Guarantee amounting to Rs. 49,52,59,040/- issued by HDFC Bank Limited in favour of NTPC Limited on behalf of the Company; and (ii) three Insurance Performance Surety Bonds aggregating to Rs. 41,33,70,998/- issued in favour of NTPC Limited on behalf of the Company issued by Bajaj General Insurance Limited. The Company is examining the matter and evaluating the appropriate course of action in accordance with the terms of the Contract Agreement and applicable law, including the remedies available to it. The details required as per SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 is enclosed herewith as an “Annexure-A”. You are kindly requested to take the same on record. Yours sincerely, For G R Infraprojects Limited Sudhir Mutha Company Secretary ICSI Membership No. ACS18857 Encl: As above. ANNEXURE-A Disclosure of Material Events or Information pursuant to Regulation 30 of Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015, read with the SEBI Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30th January 2026. S.No. Particulars Description 1 Name of the Authority NTPC Limited. 2 Nature and details of the action(s) taken, The Company has received communications initiated or order(s) passed regarding invocation by NTPC Limited of: (i) Mobilization Advance Bank Guarantee amounting to Rs. 49,52,59,040/- issued by HDFC Bank Limited in favour of NTPC Limited on behalf of the Company; (ii) Three Insurance Performance Surety Bonds, for Rs. 34,51,72,694/-, Rs. 4,08,91,016/- and Rs. 2,73,07,288/-, respectively, aggregating to Rs. 41,33,70,998/-, issued in favour of NTPC Limited on behalf of the Company by Bajaj General Insurance Limited. 3 Date of receipt of direction or order, Communication received by the Company on 17th including any ad-interim or interim orders, September 2026. or any other communication from the authority; 4 Details of the violation(s) / NTPC Limited has sought invocation of the aforesaid contravention(s) committed or alleged to Bank Guarantee and Insurance Performance Surety be committed Bonds in relation to Contract Nos. CS-9575-171A-9- FC-COA-7978, CS-9575-171A-9-SC-COA-7979 and CS- 9575-171A-9-TC-COA-7980. In respect of aforesaid contracts, the Company had issued a notice of termination on 15th September 2026. 5 Impact on financial, operation or other The financial impact, if any, shall be limited to the activities of the listed entity, quantifiable amounts encashed/paid pursuant to the aforesaid in monetary terms to the extent possible invocation. The Bank Guarantee amounts to Rs. 49,52,59,040/- and the three Insurance Performance Surety Bonds aggregate to Rs. 41,33,70,998/-. The Company is evaluating the matter and exploring the appropriate legal and contractual remedies available to it. There is presently no material impact on the business operations or other activities of the Company arising from the aforesaid invocation.