Update on Key Managerial Personnel authorised for determining Materiality of Events as per Regulation 30(5) of SEBI (LODR) Regulations, 2015

Ref: GSL/SEC/2026-27/49 November 2, 2026 BSE Limited National Stock Exchange of India Limited Dept of Corporate Services The Listing Department Phiroze Jeejeebhoy Towers Exchange Plaza, C-1, Block G, SDcarlaipl SCtoredeet:, 5F4or3t8, 29 BSyamndbroal K: GurSlLaS CUo mplex, Bandra (East), Mumbai 400 001 (Maharashtra) Mumbai 400 051 (Maharashtra) Subject: Disclo sure under Regulation 30(5) of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 – Key Managerial Personnel authorised for determining materiality of events or information Dear Sir / Madam, Pursuant to Regulation 30(5) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (‘SEBI Listing Regulations’), this is to inform you that the Board of Directors of the Company, at its meeting held on November 2, 2026, has approved the amendment in the Policy on Determination of Materiality of Events / Information of the Company, by authorising the following Key Managerial Personnel (KMP) for the purpose of determining the materiality of an event or information and for making disclosures to the Stock Exchange(s) under the SEBI Listing Regulations. The list of KMPs so authorised along with their contact details, are as under: Name Designation Email address Correspondence Address & Contact No. Address: Chairman and Plot No. PA-010- 1. Mr. Mayank Shah mayank@globalsurfaces.com Managing Director 006, Engineering and Related Industries SEZ, Company Secretary Mr. Dharam Singh Mahindra World City, Tehsil 2. and Compliance cs@globalsurfaces.com Rathore Sanganer, Jaipur – 302 037, Officer RTaejlaespthhaonn.e : 3. Mr. Ashish Agarwal Chief Financial Officer ashish@globalsurfaces.com 0141-7191000 The above information will also be hosted on the website of the Company and can be accessed at www.globalsurfaces.com. You are kindly requested to take the same on record. TFohra nGklionbga Yl oSuu rfaces Limited Y ours Faithfully, Dharam Singh Rathore Company Secretary and Compliance Officer ICSI Mem. No.: A57411 Place: Jaipur