Submission of Newspaper Advertisement of Extract of Notice of Opening of Rights Issue

DUCON INFRATECHNOLOGIES LIMITED Regd. Office: Ducon House, Plot No. A/4, Road No.1, MIDC, Wagle Industrial Estate, Thane (W) – 400 604. India Tel. : 91-22-41122114, Fax 022 41122115 URL : www.duconinfra.co.in CIN: L72900MH2009PLC191412 Date: 31st August, 2026 To, To, National Stock Exchange of India Limited. BSE Limited, “Exchange Plaza”, C-1, Block G, Phiroze Jeejeebhoy Towers, Bandra-Kurla Complex, Bandra (East), Dalal Street, Mumbai – 400 051. Mumbai- 400001. Sub: Newspaper Advertisement of Extract of Notice of Opening of Rights Issue Ref: Symbol: DUCON | Scrip Code: 534674 | ISIN: INE741L01018 Pursuant to Regulation 47 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 and Regulation 84 of the SEBI (Issue of Capital and Disclosure Requirements) Regulations, 2018, we hereby inform you that the Company has published the newspaper advertisement containing the extract of the Notice of Opening of the Rights Issue of Equity Shares on 31st August, 2026. A copy of the said newspaper advertisement is enclosed herewith for your information and records. Kindly take the same on your record and oblige us. For, Ducon Infratechnologies Limited Arun Govil Managing Director DIN: 01914619 www.pratahkal.com