Pursuant to an internal review, certain inadvertent clerical, typographical and cross referencing errors have been noticed in the said annual report. A corrigendum dated September 08,2026 correcting the said errors, has accordingly been issued by the Company.

Date: September 08, 2026 The Listing Department, BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai - 400 001. Reference: Scrip Code: 530457 / ISIN: INE959B01017 Dear Sir/Madam, Subject: Corrigendum to the Annual Report of the Company for FY 2025-26. Pursuant to Regulations 30 and 34 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, please take note that certain inadvertent errors have been noticed in the Annual Report of the Company for the financial year 2025-26, which was submitted to the Exchange and circulated to the Members of the Company on August 21, 2026. A Corrigendum setting out the details of the said corrections is enclosed herewith for your record and dissemination. The said Corrigendum is also being published in the respective newspapers in Marathi and English language and also being uploaded on the website of the Company at https://gttdata.ai/ There is no change to the date, time, mode, agenda, resolutions, record date/cut-off date (September 5, 2026) or remote e-voting period (September 9, 2026 to September 11, 2026) already intimated for the 40th AGM scheduled to be held on Saturday, September 12, 2026 at 5:00 p.m. (IST) through Video Conferencing (“VC”)/Other Audio-Visual Means (“OAVM”). We request you to kindly take the above on record and bring the same to the notice of all concerned. Thanking You, Yours Faithfully By order of the Board GTT Data Solutions Limited (formerly known as Cinerad Communications Limited) Ebrahim Nimuchwala Company Secretary & Compliance Officer Membership No. A60947 Date: September 08, 2026 Place: Pune Encl: Corrigendum to the Annual Report FY 2025-26 Pa g e | 1 Date: September 08, 2026 CORRIGENDUM TO THE ANNUAL REPORT FOR THE FINANCIAL YEAR 2025-26 This Corrigendum forms an integral part of the Annual Report of GTT Data Solutions Limited ("Company") for the Financial Year 2025-26 submitted to the Bombay Stock Exchange and circulated to the Members of the Company on August 21, 2026. Dear Members, Subsequent to circulation, and pursuant to an internal error-audit and management review, certain inadvertent clerical, typographical and cross-referencing errors were noticed in the Annual Report. This Corrigendum is issued to correct such errors. Save and except the corrections set out in the table below, all other contents, businesses, resolutions and explanatory statements contained in the Notice, and all other disclosures contained in the Annual Report, remain unchanged and unaffected. This Corrigendum shall be read as forming an integral part of, and shall be read together with, the Annual Report FY 2025-26 and the Notice of the 40th AGM. The details of the corrections are set out below: Sr. Page / Section Particulars / As Stated in the Annual Corrected to Read As No. Reference Nature of Error Report / Notice 1 Corporate Incorrect CIN, Incorrect CIN: CIN: L62099PN1986PLC249493; Governance Registered Office L62099WB1986PLC218825;, Registered Office: 1143, Samani Certificate (p. 158); address; Director old Registered Office: 80 Compound, C.T.S. No. 1143, Certificate of Non- cessation date Burtolla Street, Kolkata, West North Shivaji Nagar, Timber Area, Disqualification of incorrectly Bengal – 700007; address and Miraj, Sangli, Maharashtra – Directors (pp. 160– mentioned in incorrect cessation date of 416416; cessation date: 15-06- 161)160–161); Certificate of Mr. Deepak Abasaheb 2026. Standalone & Non- Shinde. Consolidated Disqualification Financial of Directors. Statements and other relevant pages 2 AGM Notice – Incorrect cross- Reference made to Item No. Correct reference: Item No. 13. Item 7 (p. 31) reference 12. 3 AGM Notice – Rationale for Rationale not stated. Rationale has been mentioned in Item 15 (p. 65) consideration the explanatory statement. other than cash omitted 4 Board’s Report – Incorrect financial Year ended March 31, 2025. Year ended March 31, 2026. Directors’ year Responsibility Statement, Point 20(i) (p. 80) Pa g e | 1 Sr. Page / Section Particulars / As Stated in the Annual Corrected to Read As No. Reference Nature of Error Report / Notice 5 Standalone & Various errors / Incorrect authorised share Financial statement notes and Consolidated omissions in capital; ROU note and disclosures corrected/revised, Financial financial consequential note numbering including authorised capital of Statements – statement notes, errors; incorrect positioning 7,00,00,000 shares / Rs. 70 crore; Various Notes and disclosures, of Schedule III disclosure; consequential note renumbering; Disclosures classifications and duplicate note numbering; repositioning of Schedule III (including Notes 3, presentation revenue classification; disclosure; correction of revenue 14, 27, 34/33, 39, incorrect standalone ROU classification and standalone ROU Related Party figures; related party figures; restructuring/restatement Disclosures, Note disclosures/comparatives; of related party disclosures; PP&E 44 and PP&E classification; financial reclassification; restatement of consequential ratios; and minor rounding financial ratios; and correction of notes) differences. minor rounding differences. Total revenue and primary financial statement figures remain unaffected except where specifically stated. Effect on Voting and General Except for the corrections set out above, there is no other change to the Annual Report FY 2025-26 or to the Notice of the 40th AGM, including the businesses to be transacted, the resolutions proposed, the explanatory statements to any other item, the record date/cut-off date (September 5, 2026), the remote e-voting period (September 9, 2026, 9:00 a.m. IST to September 11, 2026, 5:00 p.m. IST), and the date, time and mode of the 40th AGM (Saturday, September 12, 2026 at 5:00 p.m. IST through Video Conferencing/Other Audio-Visual Means), all of which remain unchanged and shall continue to apply. This Corrigendum is being (a) uploaded on the website of the Company at www.gttdata.ai; (b) submitted to BSE Limited in compliance with Regulations 30 and 34 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015; (c) communicated to all Members through email; and (d) published in the newspapers in which the Notice of the AGM was originally published. The corrected Certificate of Compliance with Corporate Governance Requirements and the Certificate of Non- Disqualification of Directors and corrected financial statement have been obtained and are being uploaded along with this Corrigendum. Members are requested to take the above corrections on record. The Company regrets the inconvenience caused. By order of the Board For GTT Data Solutions Limited (formerly known as Cinerad Communications Limited) Sd/- Ebrahim Nimuchwala Company Secretary & Compliance Officer Membership No. A60947 Pa g e | 2 Date: September 08, 2026 Place: Pune CIN: L62099PN1986PLC249493 Regd. Office: 1143 Samani Compound, C.T.S No. 1143, North Shivaji Nagar, Timber Area, Miraj, Sangli, Maharashtra, India, 416416 Website: www.gttdata.ai | E-mail: compliance@gttdata.ai Pa g e | 3 Page | 1 Page | 2 CORPORATEINFORMATION BOARDOFDIRECTORS KEYMANAGERIALPERSONNEL ManagingDirector ChiefExecutiveOfficer GopalGangadharraoPatwardhan Mr.PankajRameshSamani(DIN:06799990) ChiefFinancialOfficer CAGovindPaliwal Non-ExecutiveNon-IndependentDirectors (Appointedw.e.f.May12,2026) Mr.GaneshNatarajan(DIN:00176393) CompanySecretary&ComplianceOfficer (change in designation to Non-Executive Director CSEbrahimNimuchwala w.e.f.July1,2026) Mr.KaushalUttamShah(DIN:02175130) STATUTORYAUDITORS Mr.NitinNeminathPatil(DIN:07686672) M/s.MehtaandMehta,Chartered (resignedw.e.fJune15,2026) Accountants,(FRN:016513C) Mr. Hamad Jabor Jassim Al-Thani (DIN: 24,Ifloor,MainRoad,Bhupalpura,Udaipur 11473252) –313001. (Resignedw.e.f.August13,2026) Non-ExecutiveIndependentDirectors M/s.NAMM&Associates,Chartered Ms.RuchikaMehta(DIN:09099762) Accountants(FRN:037143C) Ms.PallabiSaboo(DIN:11281694) 10-B,lRoad,Bhupalpura,Uda [Showing first 8,000 characters — download PDF for full document]