Disclosure for resignation of Statutory Auditor

Date: August 13, 2026 The Listing Department, BSE Limited Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai - 400001. Scrip Code: 530457 Sub: Sub: Disclosure under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 - Change in Statutory Auditors. Dear Sir/Madam, Pursuant to the provisions of Regulation 30 read with Schedule III of the SEBI Listing Regulations, 2015 and SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026, last updated on January 30, 2026, we would like to inform that a Meeting of the Board of Directors of the Company held today i.e., 13th August, 2026 has noted and accepted the resignation M/s. Mehta & Mehta, Chartered Accountants (FRN: 016513C), Statutory Auditors of the Company, who have tendered their resignation from the position of Statutory Auditors of the Company effective from the close of business hours on August 13, 2026, upon completion of the issuance/signing of the Limited Review Report on the financial results of the Company for the quarter ended June 30, 2026, for the reasons stated in their resignation letter. A copy of the resignation letter dated 13th August 2026, along with Annexure A, received from M/s. Mehta & Mehta in accordance with the aforesaid SEBI Master Circular, is enclosed herewith. The Audit Committee and Board members placed on record their appreciation to M/s. Mehta & Mehta, Chartered Accountants (FRN: 016513C) for their contribution to the Company with their audit processes and standards of auditing. Pursuant to Section 139 and other applicable provisions of the Companies Act, 2013, the Board of Directors at its the meeting held on 13th August, 2026 based on recommendation of the Audit committee and subject to approval of shareholders at the ensuing General meeting of the Company, have approved the appointment of M/s. N A M M & Associates, Chartered Accountants (FRN: 037143C), as the Statutory Auditors of the Company to fill the casual vacancy caused due to the resignation of M/s. Mehta & Mehta, with effect from 13th August 2026 and thereafter for a further period of 5 (five) consecutive years up to the conclusion of the Forty- Fifth Annual General Meeting, subject to approval of the members. Details thereof are enclosed as Annexure Pa ge | 1 This is for your information and records. Thanking You. Yours faithfully, For GTT Data Solutions Limited (Formerly known as Cinerad Communications Limited) Ebrahim Nimuchwala Company Secretary & Compliance Officer Pa ge | 2 ANNEXURE-A Details as required under Regulation 30 of LODR read with SEBI Master Circular No. Ho/49/14/14(7)2025-CFD-POD2/I/3762/2026, last updated on January 30, 2026. Resignation of Statutory Auditor Sl. Particulars Details 1. Name of the Company GTT Data Solutions Limited 2. Name of the Auditor M/s. Mehta & Mehta, Chartered Accountants (FRN: 016513C) 3. Reason for change viz. appointment, reappointment, The detailed reason(s) for resignation, removal, death or otherwise resignation is mentioned in the enclosed resignation letter dated August 13th, 2026. 4. Date of appointment/re-appointment/cessation (as Resignation effective from the applicable) and term of appointment/re-appointment close of business hours on August 13, 2026, upon completion of the issuance/signing of the Limited Review Report on the financial results of the Company for the quarter ended June 30, 2026. 5. Brief Profile (in case of appointment) Not Applicable. 6. Disclosure of relationships between Directors (in case of Not Applicable. appointment of a director) Pa ge | 3 Mehta and Mehta Date: August 13, 2026 Chartered Accountants The Board of Directors GTT Data Solutions Limited 1143 Samani Compound, C.T.S No. 1143, North Shivaji Nagar, Timber Area, Sangli, Maharashtra, India, 416416 Subject: Resignation from the Office of Statutory Auditors Dear Sir We wish to place on record our sincere appreciation for the cooperation and support extended to us during our tenure as the Statutory Auditors of GTT Data Solutions Limited (“the Company”). It has been a privilege to be associated with the Company and to contribute to its governance and reporting processes. After careful consideration, we hereby tender our resignation as the Statutory Auditors of the Company w.e.f. close of business hours on 13th August 2026, upon completion of issuance/signing of Limited Review Report of the financial results for quarter ended 30 June 2026. The decision has been taken primarily due to capacity and resource realignment within our firm, as we continue to manage our professional commitments in line with internal quality control and engagement planning policies. We wish to clarify that this decision is driven purely by our internal considerations and does not arise from any matter relating to the functioning, performance, or conduct of the management, the Board, or the affairs of the Company. We also confirm that there are no other circumstances connected with our resignation that we consider necessary to be brought to the attention of the shareholders or creditors of the Company. Please find attached in Annexure A the information to be obtained by the Company from the auditor for the resignation as required by Securities and Exchange Board of India Master Circular HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30th January 2026. We request you to submit applicable declarations to the Stock Exchanges as may be required under the SEBI (Listing Obligations and Disclosure Requirements Regulation) 2015, as amended, within the prescribed timelines. We take this opportunity to express our gratitude to the Board, the Audit Committee, and the management team for their support and cooperation during our association and wish the Company continued success in all its future endeavours. Should you require any assistance in the future. Please, feel free to contact us. Thanking You Yours Faithfully For Mehta and Mehta Chartered Accountants FRN: 016513C CA Namrata Mehta Partner M. No.: 444456 10-B, I Road, Bhupalpura, Udaipur – 313001 Ph: 9636649484 | 9413118508 | 9414165569 e-mail id: ho@mehtanmehta.com | camehtaandmehta@gmail.com Our Presence: Udaipur | Jodhpur Mehta and Mehta Continuation Sheets Annexure A Information of Resignation of Auditor (In accordance with SEBI Master Circular No. HO/49/14/14(7)2025-CFD-POD2/I/3762/2026 dated 30th January 2026) S. Particulars Explanation 1. Name of the Listed Entity/ Material GTT Data Solutions Limited Subsidiary 2. Details of the Statutory Auditor a. Name Mehta and Mehta b. Address 10-B, I Road, Bhupalpura, Udaipur c. Phone Number +91-9636649484 d. Email ho@mehtanmehta.com 3. Details of association with the Listed Entity/ Material Subsidiary a. Date on which the statutory auditor 23/09/2024 was appointed b. Date on which the term of the Till the conclusion of AGM to be held Statutory Auditor was schedule to in year 2029 expire c. Prior to resignation, the latest audit Statutory Audit Report for the Financial report/limited review report year ended March 31, 2026 dated 26th submitted by the auditor and date May 2026 and Limited Review Report of its submission. for Quarter ended June 30, 2026 dated 13th August 2026. 4. Detailed reason for resignation: Primarily due to the capacity and resource realignment within our firm. 5. In case of any concerns, efforts made by the auditor prior to resignation (including approaching the Audit Committee/Board of Not Applicable Directors along with the date of communication made to the Audit Committee/Board of Directors) 6. In case the information requested by the Auditor was not provided, then following should be disclosed: a. Whether the inability to obtain sufficient appropriate audit evidence was due to a management-imposed limitation or circumstances beyond the control Not Applicable of the management. b. Whether the lack of information would have significant impact on the financial statements/results. Page 2 of 3 Mehta and Mehta Continuation Sheets c. Whether the audit [Showing first 8,000 characters — download PDF for full document]