Letter to the shareholders - Annual Report FY 2025-26.

SEC/045/2026-27 August 14, 2026 Listing Department Listing Department BSE Limited The National Stock Exchange of India Limited 25th Floor, Phiroze Jeejeebhoy Towers Exchange Plaza, C-1, Block G, Dalal Street, Fort Bandra Kurla Complex, Mumbai - 400 001 Bandra (E), Mumbai - 400 051 SCRIP CODE: 523704 SYMBOL: MASTEK ISIN INE759A01021 Dear Sir(s) / Ma’am(s), Sub: Intimation under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI Listing Regulations”) Pursuant to Regulation 36(1)(b) of the SEBI Listing Regulations, the Company has sent a letter containing the web-link, QR Code and exact path of the Annual Report for the financial year 2025-26 to those Members who have not registered their e-mail addresses with the Company/Depositories. A copy of the letter is enclosed for your record. The above information is also available on the website of the Company at www.mastek.com. This is for your information and records. Thanking you, Yours faithfully, For Mastek Limited Reena Raje Company Secretary & Compliance Officer Membership No.: A21440 Encl: A/A Mastek Limited 804/805, President House, Opp. C. N. Vidyalaya, Near Ambawadi Circle, Ahmedabad – 380 006 Tel: +91-79-2656-4337 | Email: info@mastek.com | Web: www.mastek.com | CIN: L74140GJ1982PLC005215 MASTEK LIMITED CIN: L74140GJ1982PLC005215 Registered Office: 804 / 805, President House, Opp. C. N. Vidyalaya, Near Ambawadi Circle, Ambawadi, Ahmedabad - 380 006 Tel: +91-79-4855-6432; Email: investor_grievances@mastek.com; Website: www.mastek.com. Date: 14th August 2026 Ref: Folio / DP Id & Client Id No: Name of the Member: Sub.: Mastek Limited – 44th Annual General Meeting scheduled on Monday, September 07, 2026 Dear Shareholder, We are pleased to inform you that the 44th Annual General Meeting ('AGM') of the Members of Mastek Limited (‘the Company') will be held on Monday, September 07, 2026 at 5:00 P.M. (IST) through Video Conferencing ('VC') / Other Audio Visual Means ('OAVM') in compliance with various circulars issued by the Ministry of Corporate Affairs and Securities and Exchange Board of India (“SEBI”) from time to time. In terms of Regulation 36(1)(b) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, (‘SEBI Listing Regulations, 2015'), as amended, a communication containing the web-link, QR Code and exact path of the Annual Report for the financial year 2025-26 is being sent to those Member(s) whose email address(es) are not registered with the Company/ Depository/KFin Technologies Limited, Registrar to an Issue & Share Transfer Agent (RTA) of the Company. You may access the soft copy of the Annual Report for the financial year 2025-26 and the Notice convening the 44th AGM by visiting the following web link or QR Code: https://www.mastek.com/wp- QR CODE Weblink: content/uploads/2026/08/Mastek- Limited-AR-2025-26.pdf https://www.mastek.com/wp- content/uploads/2026/08/Mastek- Limited-AGM-Notice-2026.pdf Exact path of Annual Investors→ Annual Report 2025-26 Report 2025-26: The Annual Report of the Company, including the Notice of the AGM, is also available on the website of stock exchanges i.e BSE Limited, National Stock Exchange of India Limited and National Securities Depository Limited at www.bseindia.com, www.nseindia.com and www.evoting.nsdl.com. In case you wish to obtain a physical copy of Annual Report for FY 2025-26, you may write to us at investor_grievances@mastek.com mentioning your Folio No/DPID and Client ID. You are requested to update your email address with the Company/ Depository/ RTA to ensure easy access to Company documents and records as per your mode of shareholding: • For shares held in Electronic Mode: Please update your email address through your DPs. • For shares held in Physical Mode: You may register your email address by sending a request to investor_grievances@mastek.com or einward.ris@kfintech.com, with subject: ‘Email Id Registration’. We look forward to your participation at the AGM. Thanking you. Yours faithfully, For Mastek Limited Sd/- Reena Raje Company Secretary & Compliance Officer M. No A21440