Consolidated Financial Results for the Fiscal Year Ended March 31, 2026(Under Japanese GAAP)

May 13, 2026

Company name: Mitsui Kinzoku Company, Limited Listing: Tokyo Stock Exchange

Securities code: 5706

URL: https://www.mitsui-kinzoku.com

Representative: IKENOBU Seiji President and Representative Director

Inquiries: MITSUI Koki General Manager, Corporate Communications Dept. Telephone: +81-3-5437-8028

Scheduled date of annual general meeting of shareholders: June 26, 2026 Scheduled date to commence dividend payments: June 29, 2026 Scheduled date to file annual securities report: June 24, 2026

Preparation of supplementary material on financial results: Yes Holding of financial results briefing: Yes

(Yen amounts are rounded down to millions, unless otherwise noted.)

1. Consolidated financial results for the fiscal year ended March 31, 2026 (from April 1, 2025 to March 31, 2026)
   1. Consolidated operating results (Percentages indicate year-on-year changes.)

      	Net sales		Operating profit		Ordinary profit		Profit attributable to owners of parent
      Fiscal year ended March 31, 2026 March 31, 2025	Millions of yen 758,532 712,344	% 6.5 10.2	Millions of yen 130,912 74,743	% 75.1 135.8	Millions of yen 136,736 76,410	% 78.9 71.7	Millions of yen 91,263 64,662	% 41.1 148.8

      Note: Comprehensive income	For the fiscal year ended March 31, 2026:	¥	94,768 million [	46.5%]
      	For the fiscal year ended March 31, 2025:	¥	64,675 million [	63.0%]

      	Basic earnings per share	Diluted earnings per share	Rate of return on equity	Ordinary profit to total assets ratio	Operating profit to net sales ratio
      Fiscal year ended	Yen	Yen	%	%	%
      March 31, 2026	1,595.45	-	24.5	20.2	17.3
      March 31, 2025	1,130.95	-	21.2	11.8	10.5

      Reference: Share of profit (loss) of entities accounted for using equity method

      For the fiscal year ended March 31, 2026:	¥	7,372 million
      For the fiscal year ended March 31, 2025:	¥	4,617 million

   2. Consolidated financial position

      	Total assets	Net assets	Equity-to-asset ratio	Net assets per share
      As of March 31, 2026 March 31, 2025	Millions of yen 697,481 657,944	Millions of yen 420,910 340,856	% 59.1 50.4	Yen 7,202.10 5,798.07

      Reference: Equity

      As of March 31, 2026:	¥	412,048 million
      As of March 31, 2025:	¥	331,546 million

   3. Consolidated cash flows

   	Cash flows from operating activities	Cash flows from investing activities	Cash flows from financing activities	Cash and cash equivalents at end of period
   Fiscal year ended March 31, 2026 March 31, 2025	Millions of yen 87,541 76,697	Millions of yen (24,465) (20,873)	Millions of yen (53,157) (43,634)	Millions of yen 58,271 44,465

2. Cash dividends

   	Annual dividends per share					Total cash dividends (Total)	Payout ratio (Consolidated)	Ratio of dividends to net assets (Consolidated)
   	First quarter-end	Second quarter-end	Third quarter-end	Fiscal year-end	Total
   	Yen	Yen	Yen	Yen	Yen	Millions of yen	%	%
   Fiscal year ended March 31, 2025	-	90.00	-	90.00	180.00	10,292	15.9	3.4
   Fiscal year ended March 31, 2026	-	100.00	-	145.00	245.00	14,017	15.4	3.8
   Fiscal year ending March 31, 2027 (Forecast)	-	140.00	-	140.00	280.00		21.9

   Note: Breakdown of the year-end dividend for the fiscal year ended March 31, 2026 : Commemorative dividend - yen

   Special dividend - yen

3. Consolidated financial result forecasts for the fiscal year ending March 31, 2027 (from April 1, 2026 to March 31, 2027)

(Percentages indicate year-on-year changes.)

1. Significant changes in the scope of consolidation during the period: Yes

   Newly included:	-	companies(	)
   Excluded:	10	companies( Mitsui Kinzoku ACT Corporation and consolidated subsidiaries	)

2. Changes in accounting policies, changes in accounting estimates, and restatement

   1. Changes in accounting policies due to revisions to accounting standards and other regulations: None

   2. Changes in accounting policies due to other reasons: None

   3. Changes in accounting estimates: None

   4. Restatement: None

3. Number of issued shares (common shares)

   1. Total number of issued shares at the end of the period (including treasury shares)

      As of March 31, 2026	57,415,430 shares
      As of March 31, 2025	57,381,552 shares

   2. Number of treasury shares at the end of the period

      As of March 31, 2026	203,126 shares
      As of March 31, 2025	199,361 shares

   3. Average number of shares outstanding during the period

1. Non-consolidated operating results (Percentages indicate year-on-year changes.)

   	Net sales		Operating profit		Ordinary profit		Profit
   Fiscal year ended March 31, 2026 March 31, 2025	Millions of yen 436,712 356,352	% 22.6 18.0	Millions of yen 57,796 19,272	% 199.9 -	Millions of yen 77,175 31,100	% 148.1 72.4	Millions of yen 84,428 40,459	% 108.7 223.8

   	Basic earnings per share	Diluted earnings per share
   Fiscal year ended	Yen	Yen
   March 31, 2026	1,475.96	-
   March 31, 2025	707.64	-

2. Non-consolidated financial position

Reference: Equity

• Financial results reports are exempt from audit conducted by certified public accountants or an audit firm.

• Proper use of earnings forecasts, and other special matters None

  Contents of the Attachment

  1. Consoridated Financial Statements and Primary Notes 2

     1. Consolidated Balance Sheets 2

     2. Consolidated Statements of Income and Comprehensive Income 4

        Consolidated Statements of Income 4

        Consolidated Statements of Comprehensive Income 5

     3. Consolidated Statements of Changes in Equity 6

     4. Consolidated Statements of Cash Flows 8

     5. Key notes related to consolidated financial statements 10

Notes on going concern assumptions 10

Segment information 10

Per share information 13

1

Consolidated Financial Statements and Primary Notes

(1) Consolidated Balance Sheet

(Millions of yen)

As of March 31, 2025

As of March 31, 2026

Assets

Current assets

2