Certificate under SEBI (Depositories and Participants) Regulations, 2018

WINDSOR MACHINES LIMITED Registered Office: Floor No. 3 & 4, Corporate Email : contact@windsormachines.com House No. 6, Block B, Magnet Corporate Park, Website : www.windsormachines.com Off. S G Highway, Thaltej, Ahmedabad, Gujarat, Contact Number: +91 79 69360300/01 Partner in progress India, 380054 CIN : L99999GJ1963PLC168458 July 08, 2026 BSE Limited. National Stock Exchange of India Limited. Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot No. C/ 1, G Block, Dalal Street, Fort, Bandra- Kurla Complex, Bandra (E), Mumbai - 400 001 Mumbai - 400 051 Scrip Code: 522029 Trading Symbol: WINDMACHIN Subject: Submission of a Confirmation Certificate under Regulation 74(5) of SEBI DP Regulations. Reference: Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018 (“SEBI DP Regulations”) Dear Sir/Madam, With reference to the captioned subject and pursuant to the applicable regulation of SEBI DP Regulations, we hereby submit the confirmation certificate issued by MUFG Intime India Private Limited, the Registrar and Share Transfer Agent of the Company, for the quarter ended June 30, 2026. Kindly take the above information on your records. For Windsor Machines Limited Rohit Sojitra Company Secretary and Compliance Officer Encl.: a/a Rajkot Plant: Survey No 1147, 1148, 1149 and 1177, Village: Chibhda, Sub-District: Lodhika, District: Rajkot, Gujarat, PIN: 360035 MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) CIN: U67190MH1999PTC118368 Registered Address: C-101, Embassy 247, L.B.S. Marg, Vikhroli (West), Mumbai - 400083. Tel: +91 22 4918 6000 www.in.mpms.mufg.com To, Date : 01-07-2026 The Compliance Officer/ Company Secretary WINDSOR MACHINES LIMITED FLOOR 3 & 4 CORPORATE HOUSE NUMBER 06 BLOCK B MAGNET CORPORATE PARK OFF. S G HIGHWAY THALTEJ ROAD AHMEDABAD AHMEDABAD PINCODE : 380054 Sub : Confirmation Certificate under Regulation 74(5) of Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018. Dear Sir/Madam, In reference to the above captioned regulation, we hereby confirm that the securities received from the depository participants for dematerialisation during the quarter ended 30th June 2026, were confirmed (accepted/rejected) to the depositories by us and that securities comprised in the said certificates have been listed on the stock exchanges where the earlier issued securities are listed. We hereby also confirm that the security certificates received for dematerialisation have been confirmed/rejected and the security certificates received were mutilated and cancelled after due verification by the depository participant and the name of the depositories have been substituted in the register of members as the registered owner within the prescribed timelines. We request you to kindly take note of the above in your records. Thanking you, Yours faithfully, For MUFG Intime India Private Limited (Formerly Link Intime India Private Limited) Ashok Shetty Sr. Vice President-Corporate Registry MUFG Intime India Private Limited A part of MUFG Corporate Markets, a division of MUFG Pension & Market Services