Pendency of Litigation(s)/dispute(s) or the outcome impacting the Company

26th August 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”) - Receipt of Show Cause Notice from GST Department. Dear Sir, Pursuant to Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“Listing Regulations”) read with Part A of Schedule III and SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated January 30, 2026 and in accordance with the Company's Policy on Determination of Materiality for Disclosure of Events or Information, we would like to inform the exchanges that the Company has received show cause notice (DRC-01) from “Office of the Joint Commissioner of State Tax, Ratlam Division, Indore, Madhya Pradesh”, under Section 74 of the CGST Act, 2017 & MPGST Act, 2017. The details as required under Listing Regulations read with SEBI Master Circular 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 Brief details of litigation viz. name(s) of Opposing Party/Agency: Office of the Joint the opposing party, court/ Commissioner of State Tax, Ratlam Division, tribunal/agency where litigation is Indore, Madhya Pradesh filed, brief details of dispute/litigation; Brief Details: The Company has received a Show Cause Notice in Form GST DRC-01 dated August 25, 2026, issued by the Joint Commissioner of State Tax, Ratlam Division, Madhya Pradesh, under Section 74 of the CGST Act, 2017, for the tax period April 2020 to March 2021. The notice relates to certain GST- related discrepancies, including alleged excess/ineligible availment of input tax credit, mismatch in e-way bill and GSTR-3B data, and other related GST matters. The notice proposes an aggregate demand of Rs. 321.60 crore, comprising tax, interest and penalty. 2 Expected financial implications, if any, Since the matter is presently at the Show Cause due to compensation, penalty etc.; Notice stage, the Company is in the process of preparing its response and firmly believes that it has strong legal and factual grounds to defend its position. The Company will take all necessary steps to present and defend its case before the relevant authorities. Accordingly, the Company does not presently anticipate any material financial impact or material liability arising from the proposed demand. 3 Quantum of claims, if any; As per the Show Cause Notice, the proposed demand, including tax, interest and penalty, is Rs. 321.60 crore under Section 74 of the CGST Act, 2017 and the MPGST Act, 2017.