Report on the results of the Exercise of IROYAL-W1 (F53-5) (Revised)

The results of the exercise of Warrants/TSR (F53-5) Report date of securities allocation : 06-Nov-2026 Exercised Securities Warrants Common shares Warrant of trading symbol : IROYAL-W1 Name of warrant : Warrant of Interroyal Engineering Public Company Limited No. 1 Number of exercised warrants (units) : 56,579,226 Number of unexercised warrants : 879,602 (units) (Update) Ratio (Warrant : shares) : 1.00 : 1.0257 Exercise Price (baht/share) : 2.92 Exercise Date : From 28-Oct-2026 to 28-Oct-2026 Number of shares derived from : 58,033,232 exercised warrants (shares) Number of remaining shares reserved : 471,768 (shares) Remark (New) : The 2026 Annual General Meeting of Shareholders, held on April 22, 2026, resolved to approve an increase in the Company's registered capital by 1,005,000 baht through the issuance of 2,010,000 new ordinary shares, for which the Company has The allocation of shares to accommodate the adjustment of rights under the warrants to purchase the Company's ordinary shares Series 1 (IROYAL-W1) and Series 2 (IROYAL-W2) is as follows, with an equal number of shares allocated for each series: (1) 1,005,000 shares to accommodate the adjustment of rights under the IROYAL-W1 warrants. (2) 1,005,000 shares to accommodate the adjustment of rights under the IROYAL-W2 warrants. Consequently, the total number of shares issued by the Company to accommodate the exercise of rights under the IROYAL-W1 warrants is 58,505,000 shares, with the following details: (1) 57,500,000 shares issued to accommodate the exercise of rights under the IROYAL-W1 warrants, pursuant to the resolution of the Extraordinary General Meeting of Shareholders No. 1/2025, held on October 7, 2025. (2) 1,005,000 shares issued to accommodate the adjustment of rights under the IROYAL-W1 warrants, pursuant to the resolution of the 2026 Annual General Meeting of Shareholders, held on April 22, 2026. Following the final exercise of the warrants on October 28, 2026, the number of shares remaining that were issued to accommodate the exercise of rights under the warrants is 471,768 shares. Authorized to sign on behalf of the : Mr.Panapat Mekasuwandumrong company Position : Chief Executive Officer Miss Prapapan Prapatpotipong Deputy Chief Executive Officer This announcement was prepared and disseminated by listed company or issuer through the electronic system which is provided for the purpose of dissemination of the information and related documents of listed company or issuer to the Stock Exchange of Thailand only. The Stock Exchange of Thailand has no responsibility for the correctness and completeness of any statements, figures, reports or opinions contained in this announcement, and has no liability for any losses and damages in any cases. In case you have any inquiries or clarification regarding this announcement, please directly contact listed company or issuer who made this announcement. If you would like to see the full details of this information, please click view "full details" in attached file.