Saffron Capital Advisors Pvt Ltd ("Manager to the Open Offer") has submitted to BSE a copy of Post Offer Advertisement under Regulation 18(12) of the Securities and Exchange Board of India ....

Saffron Capital Advisors Private Limited 304, A Wing, 215 Atrium, M V Road, Chakala, Andheri East, Mumbai-400093 Tel.: +91-22-49730394 Email: info@saffronadvisor.com Website: www.saffronadvisor.com CIN No.: U67120MH2007PTC166711 August 28, 2026 Listing Department BSE Limited Phiroze Jeejeebhoy Towers Dalal Street Mumbai – 400 001 Scrip Code: 531471 Dear Sir/Madam, Subject: Open Offer by Aspect Global Ventures Private Limited ("Acquirer"), to acquire up to 25,62,872 (Twenty Five Lakh Sixty Two Thousand Eight Hundred and Seventy Two) fully paid-up Equity Shares of face value of ₹ 10/- (Rupees Ten only) each for cash at a price of ₹ 30/- (Rupees Thirty only) per Equity Shares aggregating up to ₹ 7,68,86,160/- (Rupees Seven Crore Sixty Eight Lakhs Eighty Six Thousand One Hundred Sixty only), representing 26% (Twenty Six Percent) of the Voting Share Capital of the Target Company, to the Public Shareholders of Duke Offshore Limited (“Target Company”) pursuant to and in compliance with the requirements of the Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011, as amended (“SEBI (SAST) Regulations, 2011”) (“Offer” Or “Open Offer”). We have been appointed as ‘Manager’ to the captioned Open Offer by the Acquirer in terms of Regulation 12(1) of the SEBI (SAST) Regulations, 2011. In this regard, we are enclosing the following for your kind reference and records: A copy of Post Offer Advertisement (“POA”) dated August 27, 2026. The Post Offer Advertisement was published today, August 28, 2026, in the following newspapers: - Sr. No. Newspapers Language Editions 1 Financial Express English All Editions 2 Jansatta Hindi All Editions 3 Navshakti Marathi Mumbai Edition – Place where registered office of the Target Company is situated and Place of Stock Exchange at which shares of the Target Company are listed In case of any clarification required, please contact the person as mentioned below: Contact Person Designation Contact Number E-mail Id Pooja Jain Senior Manager pooja@saffronadvisor.com +91 22 49730394 Shivam Sharma Assistant Manager shivam@saffronadvisor.com We request you to kindly consider the attachments as good compliance and disseminate it on your website. For Saffron Capital Advisors Private Limited Pooja Jain Senior Manager Equity Capital Markets Encl: a/a Registered Office: 605, Sixth Floor, Centre Point, J B Nagar, Andheri East, Mumbai-400059/ SEBI Registration No: INM000011211 AdBaaz J A U S S P O L Y M E R S L I M I T E D POST OFFER ADVERTISEMENT UNDER REGULATION 18(12) OF THE SECURITIES AND EXCHANGE BOARD OF INDIA (SUBSTANTIAL ACQUISITION OF SHARES AND TAKEOVERS) REGULATIONS, 2011, AS AMENDED FOR THE ATTENTION OF THE PUBLIC SHAREHOLDERS OF DUKE OFFSHORE LIMITED Corporate Identification Number: L45209MH1985PLC038300 Registered Office: 403-Urvashi HSG Society Ltd, Off Sayani Road, Prabhadevi, 400025, Mumbai, Maharashtra, India. Tel: +91 8828846847 | Email: info@dukeoffshore.com | Website: www.dukeoffshore.com Open Offer by Aspect Global Ventures Private Limited (“Acquirer”), to acquire up to 25,62,872 (Twenty Five Lakh Sixty Two Thousand Eight Hundred and Seventy Two) fully paid-up Equity Shares of face value of ` 10/- (Rupees Ten only) each for cash at a price of ` 30/- (Rupees Thirty only) per Equity Shares aggregating up to ` 7,68,86,160/- (Rupees Seven Crore Sixty Eight Lakhs Eighty Six Thousand One Hundred Sixty only), representing 26% (Twenty Six Percent) of the Voting Share Capital of the Target Company, to the Public Shareholders of Duke Offshore Limited (“Target Company”) pursuant to and in compliance with the requirements of the Securities and Exchange Board of India (Substantial Acquisition of Shares and Takeovers) Regulations, 2011, as amended (“SEBI (SAST) Regulations, 2011”) (“Offer” Or “Open Offer”). This Post Offer Advertisement (“Post Offer Advertisement”) is being issued by Saffron Capital Advisors Private Limited (“Manager to the Open Offer”), on behalf of the Acquirer, in connection with the offer made by the Acquirer, pursuant to and in accordance with Regulation 18(12) of the SEBI (SAST) Regulations, 2011. This Post Offer Advertisement is to be read in continuation of and in conjunction with: (a) the Public Announcement dated June 11, 2026 (“PA”); (b) the Detailed Public Statement dated June 17, 2026 published on June 18, 2026 in Financial Express (English) all editions, Jansatta (Hindi) all editions, Navshakti (Marathi) (Mumbai Edition- being the place where the registered office of the Target Company and the place of the Stock Exchange at which the Shares of the Target Company are listed) (“DPS”); (c) the Draft Letter of Offer dated June 25, 2026 (“DLOF”) (d) the Letter of Offer dated July 28, 2026 (“LOF”) along with Form of Acceptance-Cum- Acknowledgement; and (e) the Offer Opening Public Announcement and Corrigendum to the Detailed Public Statement and Letter of Offer was published on August 05, 2026 in all the newspapers in which the DPS was published. This Post Offer Advertisement is being published in all the newspapers in which the DPS was published. Capitalized terms used but not defined in this Post Offer Advertisement shall have the meaning assigned to such terms in the Letter of Offer. The Public Shareholders of the Target Company are requested to kindly note the following information with respect to the Open Offer: Sr. No Particulars Details 1 Name of the Target Company: Duke Offshore Limited 2 Name of the Acquirer: Aspect Global Ventures Private Limited (“Acquirer”) 3 Name of the Manager to the Open Offer: Saffron Capital Advisors Private Limited 4 Name of the Registrar to the Open Offer: Cameo Corporate Services Limited Offer Details: 5 a. Date of Opening of the Offer: Thursday, August 06, 2026 b. Date of Closing of the Offer: Wednesday, August 19, 2026 Wednesday, August 26, 2026* 6 Date of Payment of Consideration *No shares have been tendered in the Open Offer. 7 Details of the Acquisition Proposed in the LOF (1) Sr. No. Particulars (assuming full acceptances Actuals (1) in this Offer) 7.1 Offer Price (per equity share) ` 30/- ` 30/- 7.2 Aggregate number of shares tendered 25,62,872(2) 0 7.3 Aggregate number of shares accepted 25,62,872(2) 0 Size of the Offer (Number of Equity shares 7.4 ` 7,68,86,160/- ` 0/- multiplied by the offer price per equity share) Shareholding of the Acquirer before Agreements/ NIL NIL Public Announcement (0.00%) (0.00%) Equity Shares proposed to be acquired which 69,59,800 69,59,800 triggered the regulations(3) (70.61%) (70.61%) Equity Shares acquired after Detailed Public Statement 7.7 • Number of shares acquired Nil Nil • Price of the shares acquired NA NA • % of the shares acquired (0.00%) (0.00%) Equity Shares Acquired by way of Open Offer 7.8 • Number 25,62,872(2) 0 • % of Voting Share Capital (26.00%) (0.00%) Post offer shareholding of Acquirer 7.9 • Number 95,22,672 69,59,800 • % of Voting Share Capital (96.61%) (70.61%) Pre and Post Offer Shareholding of Public (3) Pre-Offer Post-Offer Pre-Offer Post-Offer 7.10 • Number 28,97,400 3,34,528 28,97,400 28,97,400 • % of Voting Share Capital 29.39% 3.39% 29.39% 29.39% Notes: (1) T he percentages disclosed in the table are calculated based on Total Voting Share Capital of the Target Company, other than those specifically disclosed in the notes below. (2) Assuming full acceptance of the Open Offer. (3) T he Acquirer has acquired the Sale Shares pursuant to the consummation of the Underlying Transaction on July 21, 2026 (i.e. after expiry of 21 working days from the date of the Detailed Public Announcement (“DPS”)). Upon the completion of the Underlying Transaction on July 21, 2026, the Acquirer has directly acquired: (a) equity share capital and voting rights in excess of 25% (Twenty Five percent) of the Target Company, and (b) control over the Target Company and became a promoter and has appointed the additional directors on the board of Target Company in accordance and in com [Showing first 8,000 characters — download PDF for full document]