Corporate Events

Mitsui Mining & Smelting Co., Ltd. has completed a Fixed-Income Offering in the amount of ¥10 billion. Security Name: 1.113% Unsecured Bonds due November 28, 2029 Security Type: Corporate Bond/Note (Non Convertible) Principal Amount: ¥10 billion Price\Range: 100% Security Features: Unsecured Coupon Type: Fixed

Mitsui Mining & Smelting Co., Ltd. announced that at the Board of Directors meeting held on May 13, 2025, it was resolved to change dividend policy as follows: Reason for the change: In order to clarify dividend policy, the company have reviewed it in light of the improvements in business conditions and financial position. Details of the change: Before the change (previous policy): basic policy for dividends is to distribute profits appropriately while securing the necessary internal reserves for future business development and strengthening management structure. Specifically, place emphasis on paying continuous and stable dividends, and aim to pay dividends at a DOE (dividend on consolidated shareholders' equity) of 3.0%. After the change (adoption of progressive dividend policy and change in DOE figures) basic policy for dividends is to distribute profits appropriately while securing the necessary internal reserves for future business development and strengthening management structure. Specifically, will adopt a progressive dividend policy and aim to pay dividends at a DOE (dividend on consolidated shareholders' equity) of 3.5%.

Mitsui Mining & Smelting Co., Ltd. provided consolidated earnings guidance for the six months ending September 30, 2025 and full year ending March 31, 2026. For the six months ending September 30, 2025, the company expects net sales of JPY 355,000 million, operating profit of JPY 23,000 million, profit attributable to owners of parent of JPY 2,500 million and basic earnings per share of JPY 43.73 per share. For the full year ending March 31, 2026, the company expects net sales of JPY 650,000 million, operating profit of JPY 42,000 million, profit attributable to owners of parent of JPY 14,000 million and basic earnings per share of JPY 244.86 per share.

Mitsui Mining & Smelting Co., Ltd. announced year-end dividend of JPY 90.00 per share for the fiscal year ended March 31, 2025 compared to JPY 70.00 per share a year ago. Scheduled date to commence dividend payments: June 30, 2025. The company provided second quarter-end dividend guidance of JPY 100.00 per share for the fiscal year ending March 31, 2026 compared to JPY 75.00 per share a year ago. The company provided year-end dividend guidance of JPY 95.00 per share for the fiscal year ending March 31, 2026 compared to JPY 90.00 per share a year ago.

Hi-Lex Corporation (TSE:7279) entered into share transfer agreement to acquire Mitsui Kinzoku ACT Corporation from Mitsui Mining & Smelting Co., Ltd. (TSE:5706) for ¥11.3 billion on May 13, 2025. A cash consideration of ¥11.3 billion will be paid by Hi-Lex Corporation for 14,800,000 shares. For the period ending March 31, 2025, Mitsui Kinzoku ACT Corporation reported total revenue of ¥95.83 billion, EBIT of ¥1.01 billion and net loss of ¥370 million. As of March 31, 2025, Mitsui Kinzoku ACT Corporation reported total assets of ¥78.21 billion and total common equity of ¥43.8 billion. The transaction is subject to approval by Japanese and foreign competition law authorities and other conditions, such as approval or authorization by the relevant authorities as required by law. The expected completion of the transaction is from October 2025 to December 2025.

Mitsui Mining & Smelting Co., Ltd., Annual General Meeting, Jun 27, 2025, at 10:00 Tokyo Standard Time. Location: Gate City Hall, Underground Level 1, Gate City Ohsaki-West Tower, 1-11-1 Osaki, Shinagawa-ku Japan Agenda: To consider business report, consolidated financial statements, and reports from the financial auditor and the Audit and Supervisory Committee on consolidated financial statements for the 100th fiscal year (April 1, 2024 to March 31, 2025); to consider reports on financial statements for the 100th fiscal year (April 1, 2024 to March 31, 2025); to consider appropriation of retained earnings; to consider partial amendment of the Articles of Incorporation; to consider election of six directors excluding those who are Audit and Supervisory Committee members; to consider revisions to the restricted stock compensation plan for directors excluding those who are Audit and Supervisory Committee members; to consider determination of amounts of restricted stock compensation for directors who are Audit and Supervisory Committee members.

On May 13, 2025, Mitsui Mining & Smelting Co., Ltd., received shareholder proposals from Hidesho Co., Ltd. to be presented at its 100th Annual General Meeting scheduled for June 27, 2025. The proposals included (1) Dismissal of the Representative Director, Takeshi No, due to the company's insufficient compensation for victims of cadmium-related Itai-itai disease, which the Board of Directors opposes, citing Takeshi No's qualifications and leadership in driving sustainable growth. The Board believes he meets the human resource requirements defined by the Nomination Review Committee. (2) Dividend Distribution, proposing an annual dividend amount of 500 yen per share, which the Board also opposes, emphasizing the need for necessary internal reserves for future business development and a balanced approach to profit distribution.

Mitsui Mining & Smelting Co., Ltd., Board Meeting, May 13, 2025. Agenda: To consider to change dividend policy and to consider other matters.

New Medium Term Business Plan Briefing Session

Mitsui Mining & Smelting Co., Ltd., Board Meeting, Apr 16, 2025. Agenda: To revise the restricted stock compensation system for Directors introduce the System for Directors who are Audit & Supervisory Committee Members and submit proposals regarding the foregoing to the 100 Annual General Meeting of Shareholders scheduled to be convened on June 27, 2025; and to consider other business matters.

Mitsui Mining & Smelting Co., Ltd., 2025 Earnings Call, May 13, 2025

Mitsui Mining & Smelting Co., Ltd. announced that they will report fiscal year 2025 results on May 13, 2025

Kinik Company (TWSE:1560) entered into a formal acquisition agreement to acquire Mitsui Grinding Wheel Co., Ltd. from Mitsui Mining & Smelting Co., Ltd. (TSE:5706) for ¥1.9 billion on January 22, 2025. The transaction is subject to approval of offer by acquirer board. The deal has been approved by the board. Wu, Meng-da of Crowe (TW) CPAs/Taipei acted as the accountant for Kinik Company (TWSE:1560).

CK SAN-ETSU Co., Ltd. (TSE:5757) agreed to acquire an additional 71.15% stake in Mitani Shindo Co., Ltd. from Mitsui Mining & Smelting Co., Ltd. (TSE:5706) for ¥2.6 billion on January 21, 2025. Upon completion, CK SAN-ETSU Co., Ltd. will own 75.20% stake in Mitani Shindo Co., Ltd. For the period ending March 31, 2024, Mitani Shindo Co., Ltd. reported total revenue of ¥11.86 billion, EBIT of ¥46 million, net income of ¥120 million, total assets of ¥7.11 billion and total common equity of ¥2.94 billion. The expected completion of the transaction is April 1, 2025.

Mitsui Mining & Smelting Co., Ltd., Q3 2025 Earnings Call, Feb 12, 2025

Mitsui Mining & Smelting Co., Ltd. expected to report Fiscal Year 2025 results on May 9, 2025. This event was calculated by S&P Global (Created on January 2, 2025).

Explanation Meeting on the Engineered Materials Business

Mitsui Mining & Smelting Co., Ltd., ¥ 15.0, Cash Dividend, Sep-27-2024

ESG Briefing Session

Alpha Fusion Inc announced that it has received ¥1.02 billion in an equity round of funding on October 8, 2024. The transaction included the participation from new investors SBI Investment Co., Ltd., a fund co-managed by SBI Venture Fund2023A Investment LPS and SBI Venture Fund2023B Investment LPS, Mitsui Kinzoku-SBI Material Innovation Fund, a fund managed by Mitsui Mining & Smelting Co., Ltd., KUC No. 1 Fund, a fund co-managed by Kobe University Capital Co., Ltd and SBI Daigaku Hatsu Venture Ikusei Shien Co., Ltd., Tsukuba Exceed No. 2 Fund, a fund managed by Joyo Capital Partners Co., Ltd., returning investors D3 Bio Healthcare Fund, a fund managed by D3 LLC, JGC MIRAI Innovation Fund L.P., a fund managed by Global Brain Corporation and OUVC Fund 2 Limited Partnership, a fund managed by Osaka University Venture Capital Co., Ltd.

Mitsui Mining & Smelting Co., Ltd., Q2 2025 Earnings Call, Nov 08, 2024

Mitsui Mining & Smelting Co., Ltd., ¥ 75.0, Cash Dividend, Sep-27-2024

Mitsui Mining & Smelting Co., Ltd., Q1 2025 Earnings Call, Aug 08, 2024