Closure of Trading Window

McNally Bharat Engineering Company Limited CIN: L45202WB1961PLC025181 Registered Office: Ecospace Campus 2B 11F/12 New Town Rajarhat North 24 Parganas Kolkata-700160 Telephone +91 33 68311001/+91 33 68311212 Email: mbe.corp@mbecl.co.in Website: www.mcnallybharat.com An ISO 9001:2015, ISO 14001:2015 & ISO 45001:2018 Certified Company 22nd June 2026 The National Stock Exchange of India Limited Exchange Plaza, 5th floor, Plot # C/1, ‘G’ Block Bandra Kurla Complex, Bandra (East), Mumbai – 400 051 BSE Limited Corporate Relations Department 1st Floor, New Trading Ring, Rotunda Building Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai – 400 001 Dear Sir/Madam Sub: Intimation of Closure of Trading Window Scrip Code/Symbol: 532629 / MBECL In terms of the Company’s Code of Conduct for Prevention of Insider Trading and Circular issued by stock exchanges, the trading window for purchase / sale of Company’s shares shall remain closed for all Directors, Auditors and Designated Persons from Wednesday, 1st July 2026 till 48 hours after the declaration of the Unaudited Financial Results of the Company for the quarter ending on 30th June 2026. The date of the Company’s Board Meeting for consideration and approval of said Results will be intimated in due course. This Notice is being uploaded on the Company website www.mcnallybharat.com. Yours faithfully, For McNally Bharat Engineering Company Limited Indrani Ray Company Secretary Page 1 of 1