Schedule of Shareholders' meeting Subject : Schedule of Annual General Meeting of Shareholders Date of Board resolution : 26-Feb-2026 Shareholder's meeting date : 27-Apr-2026 Beginning time of meeting (hh:mm) : 10 : 00 Record date for the right to attend the : 23-Mar-2026 meeting Ex-meeting date : 20-Mar-2026 Significant agenda item (Update) : - Cash dividend payment - The issuance of convertible securities - Changing / renewal of the term of the director(s) - To consider and approve the amendment of company's article of association - To consider and approve the amendment of company's objectives Type of meeting : Electronic meeting Venue of the meeting : Electronic meeting Agenda Item : 1 Agenda Detail : To consider and approve the Minutes of Annual General Meeting of Shareholders for the year 2025 Type : To Consider and approve Agenda Item : 2 Agenda Detail : To acknowledge the Board of Director's report of the Company's performance for the year 2025 Type : To acknowledge Agenda Item : 3 Agenda Detail : To consider and approve the separate and consolidated financial statements of the Company and subsidiaries of the Company for the year ended December 31, 2025 Type : To Consider and approve Agenda Item : 4 Agenda Detail : To consider and approve the allocation of net profit to the legal reserve and approve the payment of dividend deriving from the operating results for the year 2025 Type : To Consider and approve Agenda Item : 5 Agenda Detail : To consider and approve the re-election of Directors to replace those retired by rotation for the year 2026 Type : To consider and approve the appointment of directors Agenda Item : 6 Agenda Detail : To consider and approve the remuneration to the Board of Directors and subcommittee for the year 2026 Type : To Consider and approve Agenda Item : 7 Agenda Detail : To consider and approve for the appointment of the auditors and audit fee for the year 2029 Type : To Consider and approve Agenda Item : 8 Agenda Detail : To consider and approve the reduction of registered capital and the amendment to the company's Memorandum of Association to reflect the capital reduction Type : To Consider and approve Agenda Item : 9 Agenda Detail : To consider the approval for issuance of convertible securities Type : To Consider and approve More detail : For more information regarding this agenda, please read the Full Detailed News file. Agenda Item : 10 Agenda Detail (Update) : To consider and approve the increase of registered capital and the amendment to the company's Memorandum of Association to reflect the capital increase Type : To Consider and approve Agenda Item : 11 Agenda Detail (Update) : To consider and approve for the amendment of the Company's Articles of Association, Type : To Consider and approve Agenda Item : 12 Agenda Detail (Update) : (General Mandate) Type : To Consider and approve Agenda Item : 13 Agenda Detail (Update) : To transact other matters (if any). Type : To Consider and approve ______________________________________________________________________ Increasing Capital Status : Canceled Reason : Due to the company's adjustment of the allocation ratio based on paid-up capital, the offering to existing shareholders (Rights Offering) has been revised to approximately 20%, while the offering to specific investors (Private Placement) has been revised to not exceeding 10% Subject : Issuance of Additional Shares Under a General Mandate Date of Board resolution : 26-Feb-2026 Number of additional common shares : 144,227,293 (shares) Number of additional preferred shares : 576,909,174 (shares) Total of additional shares (shares) : 576,909,174 Par value (baht per share) : 1.00 Type of allocated securities : Preferred shares Allocated to : All common shares' shareholders Number of allotted shares (shares) : 432,681,881 % of Paid-Up capital as of capital : 0.00 increase BOD resolution date Allocated to : Private placement (PP) Number of allotted shares (shares) : 144,227,293 % of Paid-Up capital as of capital : 0.00 increase BOD resolution date Total shares allocated to Private : 144,227,293 Placement (Shares) ______________________________________________________________________ Dividend payment / Omitted dividend payment Subject : Cash dividend payment Date of Board resolution : 26-Feb-2026 Type of dividend payment : Cash dividend payment Record date for the right to receive : 14-May-2026 dividends Ex-dividend date : 13-May-2026 Payment for : Common shareholders Cash dividend payment (baht per share) : 0.138295 Par value (baht) : 1.00 Payment date : 25-May-2026 Paid from : Operating period from 01-Jan-2025 to 31-Dec-2025 ______________________________________________________________________ Change of director/Executive Re-election Director Name : Mr. THEERAWAT THANYALAKPHARK Position in company (1) : DIRECTOR Effective Date (1) : 13-Dec-2005 Position in company (2) : CHIEF EXECUTIVE OFFICER Effective Date (2) : 11-May-1993 Position in company (3) : Chairman of the Executive Committee ______________________________________________________________________ Change of director/Executive Re-election Director Name : Mr. CHAIYOS HEMARAJATA Position in company (1) : INDEPENDENT DIRECTOR Effective Date (1) : 13-Dec-2005 Position in company (2) : CHAIRMAN OF THE AUDIT COMMITTEE Effective Date (2) : 27-Feb-2017 ______________________________________________________________________ Change of director/Executive Re-election Director Name : Miss BENYALAK THANYALAKPARK Position in company (1) : DIRECTOR Effective Date (1) : 25-Oct-2001 Position in company (2) : Executive Director ______________________________________________________________________ Change of director/Executive Re-election Director Name : Mr. WORAVIT CHAILIMPAMONTRI Position in company (1) : INDEPENDENT DIRECTOR Effective Date (1) : 13-May-2021 Position in company (2) : AUDIT COMMITTEE Effective Date (2) : 13-May-2021 ______________________________________________________________________ Auditors Appointment No : 1 Auditor Name : Mr. JADESADA HUNGSAPRUEK CPA License No. : 3759 Accounting and Audit firm : KARIN AUDIT COMPANY LIMITED Audit End Date : 31-Dec-2026 No : 2 Auditor Name : Ms. KOJCHAMON SUNHUAN CPA License No. : 11536 Accounting and Audit firm : KARIN AUDIT COMPANY LIMITED Audit End Date : 31-Dec-2026 No : 3 Auditor Name : Ms. KANWARAT SAKSRIBORWORN CPA License No. : 13273 Accounting and Audit firm : KARIN AUDIT COMPANY LIMITED Audit End Date : 31-Dec-2026 No : 4 Auditor Name : Ms. KANITA SAWANGWONG CPA License No. : 14943 Accounting and Audit firm : KARIN AUDIT COMPANY LIMITED Audit End Date : 31-Dec-2026 ______________________________________________________________________ Issued Convertible Securities Subject : Issued convertible securities Date of Board resolution : 26-Feb-2026 Type of allocated securities : Convertible debentures Allocate to : Private placement (PP) Person receiving allotment : The Board of Directors will determine this at a later date. Number of allotted convertible : 500,000 debentures (units) Reserved shares for the exercise of : Common shares convertible debentures Number of additional shares (shares) : 308,641,975 Offering price (baht per unit) : 1,000.00 Offering date : From 27-Apr-2026 to 26-Apr-2027 Description of convertible debentures Name of convertible debentures : Convertible debentures to be issued and offered by Sena Development Public Company Limited Conversion ratio(debentures : 0.00 : 0.00 :shares) Conversion price (baht per share) : 1.62 Term of convertible debentures : Not exceeding five (5) years from the date of issuance of the convertible debentures on each occasion. The offering price is lower than the market price : To be specified later. ______________________________________________________________________ More detail : The details regarding the issuance and offering of the convertible debentures, including the type of private placement investors to whom the debentures will be offered, the offering price, and the conversion price and ratio, shall be in accordance with the resolutions of the Board of Directors and the attached documents, with reference to Document No. IR 2026.002 ______________________________________________________________________ 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.