Shareholders meeting

Date: 27th June, 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 Dalal Street, Kurla Complex, Bandra (E), Mumbai – 400001 Mumbai – 400051 Scrip Code: 544198 Symbol: DEEDEV Sub: Proceedings of Extraordinary General Meeting (‘EGM’) of DEE Development Engineers Limited (the ‘Company’) held on June 27, 2026. Dear Sir/ Madam, This is to inform you that the EGM of the Company was held today i.e. Saturday, June 27, 2026 at 01:00 p.m. through two-way video conferencing (‘VC’) / other audio-visual means (‘OAVM’) facility in compliance with the applicable provisions of the Companies Act, 2013 and circulars issued by the Ministry of Corporate Affairs in this regard and the business as mentioned in the Notice dated June 3, 2026 read with corrigendum dated June 18, 2026, convening the EGM were transacted thereat. The EGM of the Company commenced at 01:00 p.m. and concluded at 01:20 p.m. (including e-voting facility) A summary of the proceedings of the EGM pursuant to Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 is enclosed as Annexure A. The details of the voting results (remote e-voting and e-voting at the EGM) on the resolution as set out in the Notice of EGM along with the Scrutinizer’s Report will be disseminated to the Stock Exchanges and will be placed on the Company’s website, in due course. Please take the above information on record. 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 Encl.: as above 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 ANNEXURE A PROCEEDINGS OF THE EXTRA-ORDINARY GENERAL MEETING OF DEE DEVELOPMENT ENGINEERS LIMITED ITEM NO. PARTICULARS RESOLUTION TYPE 1. Preferential Issue of Securities on Private Placement Special basis The above item was open for voting by both remote e-voting as well as e-voting during the EGM. The Chairman has authorised the Company Secretary to declare the voting results. 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