Day/Date: Friday, June 12, 2026
Time: 10:00 a.m. WIB – finish
Venue: PT Tembaga Mulia Semanan, Tbk. Jl. Daan Mogot KM. 16, Kalideres, West Jakarta 11850

Agenda:

1. Approval of the Annual Report, including the Report on the Implementation of Supervisory Duties of the Company’s Board of Commissioners for the financial year ending on December 31, 2025 and Ratification of the Company’s Financial Report for the financial year ending on December 31, 2025. Based on the provisions of Article 69 and Article 78 of Law No. 40 of 2007 concerning Limited Liability Companies as amended by Law No. 6 of 2023 concerning the Stipulation of Government Regulation in Lieu of Law No. 2 of 2022 concerning Job Creation to Become Law (“UUPT”). The Annual Report including the Supervisory Duties Report of the Company’s Board of Commissioners must obtain approval from the Company’s Annual General Meeting of Shareholders (“GMS”) and the Company’s Financial Report must obtain ratification from the Meeting.
2. Determination of the use of the Company’s Net Profit for the financial year ending December 31, 2025.
   Based on the provisions of Article 70 and Article 71 paragraph (1) of the Company Law, the use of the Company’s net profit is decided at the Meeting.
3. Appointment of a Public Accountant (AP) and/or Public Accounting Firm (KAP) to audit the Company’s books for the financial year ending December 31, 2026
   Based on the provisions of Article 19 of the Company’s Articles of Association in conjunction with Article 59 of Financial Services Authority Regulation (“POJK”) No. 15/POJK.04/2020 concerning the Planning and Implementation of General Meetings of Shareholders of Public Companies (“POJK No. 15/2020”) in conjunction, the GMS is required to decide on the appointment of an AP and/or KAP.
4. Determination of Salaries and Honorariums, along with facilities and other allowances for members of the Company’s Board of Directors and Board of Commissioners for 2026
   Based on the provisions of Article 11 paragraph (6) and Article 14 paragraph (6) of the Company’s Articles of Association in conjunction with Article 113 of the Company Law, the provisions regarding the amount of salaries and allowances for members of the Company’s Board of Directors and Board of Commissioners are determined by a resolution of the GMS. Therefore, the Company has proposed the above agenda item to the GMS.
5. Amendments to the Company’s Articles of Association in Relation to KBLI Adjustments.
   In connection with the issuance of BPS (Central Bureau of Statistics) Regulation No. 7 of 2025 concerning the Indonesian Standard Industrial Classification (KBLI), the Company intends to adjust its Articles of Association in accordance with said Regulation.

Notes :

1. The Company will not send a special invitation to the Company’s Shareholders, as this Notice serves as an official invitation. This Notice can also be viewed on the website of PT Kustodian Sentral Efek Indonesia (“KSEI”), the website of PT Bursa Efek Indonesia (“BEI”), and the Company’s website.
2. Materials related to the Meeting agenda are available at the Company’s office from the date of this Notice until the Meeting is held on June 12, 2026.
3. Shareholders entitled to attend or be represented and to vote at the Meeting are:

   a. Shareholders whose names are registered in the Company’s Shareholder Register or whose names are registered in the Securities Account in KSEI’s Collective Custody at the close of trading hours on the Stock Exchange on May 20, 2026, at 4:00 PM WIB.
   b. Shareholders whose shares are placed in KSEI’s collective custody are required to bring and submit the original Written Confirmation for the Meeting (“KTUR”).

4. The meeting will be held using the KSEI Electronic General Meeting System application provided by KSEI (“eASY.KSEI Application”).
5. In connection with the holding of the Meeting through the eASY.KSEI application, Shareholder participation in the Meeting is carried out using the following mechanism:a. Attend the Meeting electronically through the eASY.KSEI application
   b. Attend by granting power of attorney electronically through eASY.KSEI (e-proxy)
   c. Attend the Meeting physically
   d. Attend by granting power of attorney using the Power of Attorney form
6. Shareholders who can attend in person electronically or provide electronic power of attorney (e-proxy) through the eASY.KSEI application are Shareholders whose shares are held in KSEI’s collective custody. To use the eASY.KSEI application, Shareholders can access the eASY.KSEI menu on the AKSes.KSEI facility (http://akses.ksei.co.id), by observing the following provisions:
   a. Shareholders must notify their attendance or appoint a proxy and/or submit their voting choice via the eASY.KSEI application no later than 12:00 PM Western Indonesian Time (WIB) one business day prior to the Meeting date.
   b. Shareholders who will attend electronically or provide their proxy electronically to the Meeting via the eASY.KSEI application must pay attention to the following:
   I. Registration Process
   II. Electronic Question and/or Opinion Submission Process
   III. Voting Process
   IV. GMS Broadcast
   Guidelines for registration, usage, and further explanation regarding eASY.KSEI can be downloaded from the eASY.KSEI website (http://akses.ksei.co.id).
7. The Company urges the Company’s Shareholders to attend the Meeting electronically or to provide their power of attorney to the Company’s Securities Administration Bureau, namely PT Raya Saham Registra, Plaza Central Building, 2nd Floor, Jalan Jenderal Sudirman kav. 47-48 Karet Semanggi, Setiabudi, Jakarta 12930, by using:
   a. Electronic Power of Attorney (e-proxy) which can be executed electronically through the eASY.KSEI application or
   b. Conventional Power of Attorney which can be downloaded from the Company’s website www.pttms.co.id. The Conventional Power of Attorney must be completed and sent along with the required documents via email to corpsec@pttms.co.id or anton@registra.co.id.
   c. The original signed Power of Attorney and its required documents must be received by registered mail at the Company’s office, Jalan Daan Mogot KM 16, Semanan, Kalideres, Jakarta, 11850, at the address: Corporate Secretary, no later than
   3 (three) days prior to the Meeting date or no later than June 9, 2026.
8. When granting power of attorney by means of a Conventional Power of Attorney, members of the Board of Directors, members of the Board of Commissioners, and employees of the Company are permitted to act as proxies for the Company’s Shareholders at the Meeting. However, their votes as proxies at the Meeting will not be counted in the voting.
9. Shareholders and/or their proxies who will be physically present are required to complete the attendance list and submit a photocopy of their ID card or other form of identification to the Company’s registration officer before entering the Meeting room. Shareholders in the form of legal entities are required to bring proof of their authority to represent the legal entity, such as the Articles of Association and any amendments thereto, letters of ratification/approval from the relevant authorities, and a deed containing changes to the management and the most recent Shareholders still in office at the time of the Meeting.
10. To facilitate the organization and orderliness of the Meeting, Shareholders or their proxies who will be physically present are kindly requested to be present at the Meeting venue no later than 30 (thirty) minutes before the Meeting begins.

1. Shareholders entitled to attend/be represented and vote at the Meeting are the Company’s Shareholders whose names are registered in the Company’s Shareholder Register or Shareholders in sub-accounts at PT Kustodian Sentral Efek Indonesia (“KSEI”) at the close of trading of the Company’s shares on the Indonesia Stock Exchange (“IDX”) on Wednesday, May 20, 2026, at 4:00 PM Western Indonesian Time.
2. The Company’s shareholders may propose items for the Meeting agenda if they meet the requirements stipulated in Article 16 paragraph (3) of POJK 15/2020 and Article 12 of the Company’s Articles of Association, with the following provisions:
   1. 1 (one) or more shareholders representing at least 1/20 (one twentieth) of the total number of shares issued by the Company with valid voting rights;
   2. submitted in writing to the Company’s Board of Directors;
   3. the proposal must be received by the Company’s Board of Directors no later than 7 (seven) days prior to the date of the Meeting notice;
   4. the proposal must be made in good faith; take into account the interests of the Company; constitute an agenda item requiring a decision by the Meeting; include the reasons and materials for the proposed Meeting agenda item; and not conflict with the Company’s Articles of Association and laws and regulations.
3. The Meeting Invitation and Meeting Agenda will be announced on the IDX website, the Company’s website, and the KSEI website on Thursday, May 21, 2026.
4. Shareholders may attend electronically by providing electronic power of attorney through the KSEI Electronic General Meeting System (“eASY.KSEI”) facility, which will be provided by KSEI as an electronic power of attorney (“e-Proxy”) mechanism for holding the Meeting. The e-Proxy facility is available to Shareholders entitled to attend the Meeting from the date of the Meeting Invitation until 1 (one) business day prior to the Meeting, namely Thursday, June 11, 2026, at 4:00 PM WIB. In accordance with Article 8 paragraph (3) of POJK 16/2020, Shareholders or their Proxies may attend physically or electronically through the e-RUPS provided by KSEI.

We hereby inform you that we will hold the Annual General Meeting of Shareholders of PT Tembaga Mulia Semanan Tbk, which will be held on:

Day / Date : Friday, June 12, 2026
Time : 10:00 WIB – Finish
Location : PT Tembaga Mulia Semanan, Tbk. Jl. Daan Mogot KM 16, Kalideres, Jakarta Barat 11850

With Agenda:

1. Approval of the Annual Report, including the Report on the Implementation of Supervisory Duties of the Company’s Board of Commissioners for the last financial year on December 31, 2025 and Ratification of the Company’s Financial Report for the financial year ending on December 31, 2025.
2. Determination of the use of the Company’s Net Profit for the financial year ending December 31, 2025.
3. Appointment of a Public Accountant and/or Public Accounting Firm (KAP) to audit the Company’s books for the financial year ending on December 31, 2026.
4. Determination of Salaries and Honorariums along with facilities and other allowances for the Company’s Board of Directors and Board of Commissioners for 2026.
5. Changes to the Company’s Articles of Association in connection with adjustments to the KBLI.

Thus we convey, so that it can be well received. We thank you for your attention and cooperation.

Best regards,
PT Tembaga Mulia Semanan, Tbk.

Tsuyoshi Kobayashi
President Director

1. Furukawa Electric Co., Ltd. 42.42%
2. PT SUCACO 33.81 %
3. Toyota Tsusho Corporation 10.00 %
4. Public (each below 5%) 13.77%

PT TMS continues to improvise by increasing the machine capacity of copper bars by 155,000 MT/year and aluminum bars by 52,000 MT/year. In 2025, TMS distributed dividends of 0.006/share

TMS Future Major Planning

1. Re-efficiency on all aspect in Management, Manufacturing and Organization by improving and optimizing IT System.
2. Continue to implementing Management Development Program (MDP).
3. Improve cash flow by using tax and duty facility and improve cash management.
4. Continuous improvement in products quality, production process, safety, health and environment.
5. Continue to promote aluminum wire for automotive business in overseas and penetrate in domestic market.
6. Increase market share in domestic and continue to develop overseas market.
7. Enhancing company contribution toward environment preservation.
8. Continue company contribution to society through CSR activity.

For full paper please download here.

Contains:

1. Independent Auditor’s Report
2. Statement of Financial Position
3. Statement of Profit or Loss and Other Comprehensive Income
4. Statement of Changes in Equity
5. Statement of Cash Flows

The Company assesses the potential implications on the results of the Company’s operations, financial position and financial performance which may arise through several factors, including:
1. volatility in global commodity and energy prices
2. disruptions in global supply chains and logistics
3. broader macroeconomic uncertainty affecting customer demand
4. volatility in foreign exchange and financial markets.

Click link below to download:

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