Corporate action - Fixes record date for the purpose of declartion of Dividend is 16- sep - 2026

Date: 21st 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 RECORD DATE FOR DECLARATION OF DIVIDEND Dear Sir/ Madam, ln terms of provisions of Regulation 42 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, (LODR Regulations"), this is to inform that September 16, 2026 has been fixed as the record date for determining the names of Members eligible for dividend on Equity Shares, if declared at the Annual General Meeting scheduled to be held on Wednesday, September 23, 2026. Final Dividend @ Rs. 1.00 per equity share of the Company for the Financial Year 2025-26, if declared at the Annual General Meeting, will be paid to the Members whose names appear in the Register of Members of the Company holding Shares in physical form on September 16, 2026 and in respect of shares held in electronic form, the dividend will be paid to those 'beneficiaries' whose name appear on the statements of beneficial ownership furnished by National Securities Depository Limited and Central Depository Services (lndia) Limited for this purpose, at the end of the business hours on September 16, 2026. You are requested to take the same on your records. 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