Update on Receipt of Show Cause Notice from GST Department.

16th October 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”) – Update on Receipt of Show Cause Notice from GST Department. Dear Sir, In continuation of our earlier intimations dated 26th August 2026 and 25th September 2026, wherein the Company had informed regarding the receipt of a Show Cause Notice in Form GST DRC-01 from the Office of the Joint Commissioner of State Tax, Ratlam Division, Indore, Madhya Pradesh, under Section 74 of the Central Goods and Services Tax Act, 2017 and the Madhya Pradesh Goods and Services Tax Act, 2017, and the subsequent filing of a writ petition before the Hon’ble High Court of Madhya Pradesh, Indore challenging the said Show Cause Notice, we wish to inform you that the Company has now received an order passed by the Hon’ble High Court, whereby the aforesaid Show Cause Notice has been quashed. The brief details as required under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) read with SEBI Master Circular dated January 30, 2026, are 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 the details of any change in the status The Company has received an order passed by and / or any development in relation the Hon’ble High Court of Madhya Pradesh, to such proceedings; Indore, whereby the Show Cause Notice dated 25th August 2026 issued by the Office of the Joint Commissioner of State Tax, Ratlam Division, Indore, Madhya Pradesh and the proceedings started on the basis of the show cause notice have been quashed. 2 in the case of litigation against key Not Applicable management personnel or its promoter or ultimate person in control, regularly provide details of any change in the status and / or any development in relation to such proceedings; 3 in the event of settlement of the Not Applicable proceedings, details of such settlement including - terms of the settlement, compensation/penalty paid (if any) and impact of such settlement on the financial position of the listed entity.