Corrigendum to the Outcome of the Board Meeting held on Wednesday, 19th August, 2026.

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: 26th 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. Dear Sir/ Madam, Sub.: Corrigendum to the Outcome of the Board Meeting held on Wednesday, 19th August, 2026 Ref: Symbol: DUCON | Scrip Code: 534674 | ISIN: INE741L01018 With reference to our letter dated 19th August, 2026, submitted under Regulation 30 of the Securities and Exchange Board of India (Listing Obligations and Disclosure Requirements) Regulations, 2015 (“SEBI LODR Regulations”), intimating the outcome of the Board Meeting of the Company held on Wednesday, 19th August, 2026 (“said Outcome”), we wish to bring to your kind notice that an inadvertent clerical/typographical error has occurred in Agenda Item No. 1 of the said Outcome and the Annexure – I annexed thereto, in the number of Rights Equity Shares proposed to be issued and the consequential aggregate issue size and post-issue outstanding share capital, and we hereby place on record the correction thereof, as under: Particulars As Erroneously Stated As Corrected Number of Rights Equity Shares offered 24,99,42,758 24,99,42,759 Aggregate Issue Size ₹ 24,99,42,758/- ₹ 24,99,42,759/- Outstanding Equity Shares Post Rights Issue 57,48,68,345 57,48,68,346 (assuming full subscription) Accordingly, Agenda Item No. 1 of the said Outcome stands corrected and shall, with immediate effect, be read as under: “Rectified Agenda Item No. 1: Issue of 24,99,42,759 Rights Equity Shares of face value of Re. 1.00/- each for cash, at an issue price of Re. 1.00/- per equity share, aggregating up to Rs. 24,99,42,759/-, to all the eligible equity shareholders of the Company on rights basis (“Rights Issue”) as on the Record Date, in consultation with the Rights Issue Committee. The brief terms of the Rights Issue as approved by the Board are attached herewith as Annexure The revised Annexure – I, incorporating the aforesaid correction, is enclosed herewith and shall supersede, in its entirety, the Annexure – I enclosed with the said Outcome dated 19th August, 2026. Save and except the aforesaid rectification, all other particulars, terms and contents of the said Outcome dated 19th August, 2026 — including, without limitation, the Record Date of Tuesday, 25th August, 2026, and the Rights Entitlement ratio of 10 (Ten) Rights Equity Shares for every 13 (Thirteen) fully paid-up equity shares held by the eligible equity shareholders of the Company as on the Record Date — remain unchanged and stand reaffirmed. 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 You are requested to take the above on record and treat this Corrigendum as forming an integral part of the said Outcome. Thanking you, For, Ducon Infratechnologies Limited Arun Govil Managing Director DIN: 01914619 Encl.: Revised Annexure – I 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 Annexure – I (Revised) Sr. No. Particulars Details 1. Details of the securities Equity Shares of Re. 1.00/- each 2. Type of issue Rights issue of Equity Shares 3. Equity shares offered through the issue 24,99,42,759 Equity Shares 4. Face value per equity share Re. 1.00/-each 5. Issue price per equity share Re. 1.00/-each 6. Rights entitlement ratio 10 (Ten) Rights Equity Shares for every 13 (Thirteen) fully paid-up equity shares held by the Eligible Equity Shareholders in the Company as on the Record Date. 7. Outstanding equity shares before Rights 32,49,25,587 Equity Shares having face value of Issue Re. 1.00/- each 8. Outstanding equity shares post Rights 157,48,68,346 Equity Shares having face value of Issue (assuming fully subscription) Re. 1.00/- each 9. Terms of Payment Full amount of Re. 1.00/- per equity share is payable on application by eligible equity shareholders. The detailed terms of the Rights Issue, including the procedure for the Rights Issue, will be specified in the Letter of Offer which will be sent by the Company to the Eligible Equity Shareholders holding Equity Shares of the Company as on the Record Date, in due course. 1 Outstanding equity shares post Rights Issue, subject to full subscription and allotment of the Shares; the said figure shall vary in the event of partial subscription and/or allotment.