ANNOUNCEMENTTO THE SHAREHOLDERS OFPT OSCAR MITRA SUKSES SEJAHTERA Tbk(“Company")

The Directors of the Company hereby notifies the shareholders of the Company that the Company will hold an Extraordinary General Meeting of Shareholders (EGMS) on Wednesday, 5 November 2025 (the “Meeting”).

In accordance with the provisions of the Company's Articles of Association and subject to Financial Services Authority Regulation Number 15/POJK.04/2020 concerning the Planning and Implementation of the General Meeting of Shareholders of Public Company (“POJK 15/2020”) and Financial Services Authority

Regulation Number 16/POJK.04/2020 concerning the Implementation of General

Meetings of Shareholders of Public Companies Electronically (“POJK 16/2020”), it is hereby conveyed that:

1. In accordance with the provisions of Article 8 of POJK 16/2020, the Meeting will be held physically, as well as electronically through the KSEI Electronic General Meeting System (“eASY.KSEI”) facility provided by PT Kustodian Sentral Efek Indonesia (“KSEI”). The Company’s shareholders may participate in the Meeting by: (i) being present, either physically and voting directly at the Meeting, or online and voting electronically through the eASY.KSEI facility, or (ii) being represented by their proxies, based on a conventional power of attorney or based on the granting of power of attorney electronically through the eASY.KSEI facility (“e-Proxy”), which also includes the power to vote at the Meeting, based on the provisions of applicable laws and regulations. The granting/change of power of attorney, including electronic voting options, must be made no later than 1 (one) business day prior to the holding of the Meeting, namely no later than Tuesday, 4 November 2025

2. In accordance with the provisions of Article 17 paragraph (1) of POJK 15/2020, the

Meeting Summon will be made on Tuesday, 14 October 2025, through the eASY.KSEI provider website, the Indonesia Stock Exchange (“IDX”) website, and the Company's website, using Indonesian and English (“Meeting Summon”). Further information regarding the Meeting, including the venue, time, agenda of the Meeting, will be conveyed through the Meeting Summon.

3. In accordance with the provisions of Article 23 paragraph (1) and paragraph (2) of POJK 15/2020, the Company's shareholders who are entitled to attend or be represented at the Meeting are the Company's shareholders whose names are recorded in the Company's Shareholder Register, 1 (one) working day before the Meeting Summon, namely on Monday, 13 October 2025 until 16.00 WIB.

4. In accordance with the provisions of Article 16 POJK 15/2020 and Article 10 paragraph (12), paragraph (13), and paragraph (14) of the Company's Articles of Association, shareholders who can propose agenda items for the Meeting are 1 (one) or more shareholders representing 1/20 (one twentieth) or more of the total number of shares with voting rights, no later than 7 (seven) days before the date of the Meeting Summon, with the provision that each shareholder proposal to be included in the Meeting agenda must comply with the provisions of the Company's Articles of Association and POJK 15/2020, namely the proposal in question :

a. Proposed in a good Faith

b. Consider the interest of the company

c. Constitues an agenda that requires a resolution of the meeting

d. include reasons and materials for proposed agenda items, and

e. Does not conflict with the prevailing laws and the articles of association of the company.

5. The announcement of this Meeting is also available and can be accessed on the

Company's website (www.oscarliving.co.id), the IDX website, and the eASY.KSEI website (www.easy.ksei.co.id).

Jakarta 29 September 2025

PT Oscar Mitra Sukses Sejahtera Tbk

Board Directors of the company