20260410_SRSN_Pengumuman RUPS_32069744_lamp1.pdf

                                                   (“Company”)

                                            Domiciled in West Jakarta

                                     ANNOUNCEMENT TO SHAREHOLDERS


It is hereby announced to the Shareholders that PT. Indo Acidatama Tbk (the “Company”), shall convene the Annual
General Meeting of Shareholders (the “Meeting”) on Tuesday, Mei 19, 2026.

In accordance with the provisions in the Company's Articles of Association Article 12 paragraph 9 point (3) and Finan-
cial Services Authority Regulation No. 15 / POJK.04 / 2020 concerning the Plan and Organization of General Meeting
of Shareholders of Public Companies ("POJK 15/2020") Article 17, Summons for Meetings will be announced on Mon-
day, April 27, 2026 through Indonesian Stock Exchange website, e-RUPS provider website and the Company's web-
site ("Notice of Meeting").

Those who are entitled to attend or be represented at the Meeting are:

    1. For the Company's shares which have not been included in Collective Custody, are only Shareholders or the
       Company's authorized Shareholders whose names are recorded in the Company's Register of Shareholders
       as on Friday, April 24, 2026 at 16.00 WIB; and

    2. For the Company's shares which are in KSEI Collective Custody Shareholders or Authorized Shareholders
       whose names are registered in the Register of Shareholders of the Company as on Friday, April 24, 2026 at
       16.00 WIB issued by KSEI.

Proposals from the Shareholders of the Company can be included in the agenda of the Meeting if it meets the require-
ments as specified in the Articles of Association of the Company article 12 paragraph 8 and POJK 15/2020 Article 16.
Proposed agenda of the Meeting must have been received by the Directors of the Company as the organizer of the
Meeting, at least 7 (seven) days before the date of the invitation for the Meeting.

The Company hereby appeals to Shareholders not to be physically present, but the Shareholder can authorize an
Independent Party, such as the Company's Registrar, namely PT. Sinartama Gunita and based on Article 27 POJK
15/2020 the Company provides an alternative electronic authorization provided by the Indonesian Central Securities
Depository (KSEI).

Further information regarding the power of attorney mechanism and other procedures related to the holding of the
Meeting will be conveyed by the Company in the Invitation to the Meeting.

                                              Jakarta, April 10, 2026
                                           PT. INDO ACIDATAMA Tbk.
                                          The Directors of the Company