Dee Development Engineers Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 21/08/2026 ,inter alia, to consider and approve Intimation of Board Meeting

Date: 18th August, 2026 Listing Compliance Department BSE Limited The National Stock Exchange of India Ltd. Phiroze Jeejeebhoy Tower, Exchange Plaza, Plot No. C/1, G Block, Bandra Kurla Dalal Street, Complex, Bandra (E), Mumbai – 400001 Mumbai – 400051 Scrip Code: 544198 Symbol: DEEDEV Sub: Intimation of Board Meeting under Regulation 29 of SEBI (Listing Obligations and Disclosures Requirements) Regulations 2015 Dear Sir/ Madam, Pursuant to Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this is to inform that a meeting of the Board of Directors of the Company will be held on Friday, 21st August, 2026 at 10:00 A.M., through video conferencing/audio-visual means to inter-alia to consider and recommends a Final Dividend on Equity Shares of the Company for the financial year ended 31st March, 2026, subject to approval of the shareholders at the ensuing Annual General Meeting and any other matter with the permission of the Chairperson. The recommendation of final dividend, if any, shall be subject to the applicable provisions of the Companies Act, 2013, rules made thereunder, SEBI Listing Regulations, Articles of Association of the Company and other applicable laws. Further, pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company's Code of Conduct for Prevention of Insider Trading, the Trading Window for dealing in the securities of the Company shall remain closed for the Designated Persons and their immediate relatives and shall re-open not earlier than 48 hours after the outcome of the Board Meeting is made generally available to the public. This is for your information and record please. Yours faithfully, For DEE Development Engineers Limited Ranjan Kumar Sarangi Company Secretary and Compliance Officer Membership No.: F8604 Address: Unit 1, Prithla - Tatarpur Road, Village Tatarpur Dist. Palwal, Faridabad, Haryana – 121 102 DEE DEVELOPMENT ENGINEERS LIMITED Regd. Office: Unit 1, Prithla-Tatarpur Road, Village Tatarpur, Dist. Palwal, Haryana- 121102, India Works: Unit 1, 2 & 3, Village Tatarpur, Dist. Palwal, Haryana- 121102, India T: +91 1275 248200, F: +91 1275 248314, E: info@deepiping.com, W: www.deepiping.com CIN: L74140HR1988PLC030225 GST Registration No. 06AACCD0207H1ZA