Summary of Consolidated Financial Results for the Year Ended March 31, 2026(Unaudited)

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Nihon Seiko Co., Ltd.

https://www.nihonseiko.co.jp

Tokyo

5729

Noritaka Ueda, President & CEO

Yoshitaro Oonishi, Director, General Manager, Corporate Planning ＆ Administration Dept.

Tel +81-3-3235-0021

Net sales

Operating income

Ordinary income

Profit attributable to owners of parent

For the years ended

Millions of Yen

%

Millions of Yen

%

Millions of Yen

%

Millions of Yen

%

March 31,2026

40,866

62.3

6,080

69.0

6,025

70.6

4,214

71.6

March 31,2025

25,179

61.5

3,598

433.4

3,531

400.0

2,456

388.5

1.Consolidated Financial Results for the Years Ended March 31,2026 and 2025

(1) Operating Results

EPS

Return on equity

Recurring profit to total assets ratio

Operating income to net sales ratio

For the years ended

Yen

%

%

%

March 31,2026

430.14

30.8

26.4

14.9

March 31,2025

251.00

22.7

19.2

14.3

Operating activities

Investing activities

Financing activities

Cash & cash equivalents

at the end of the period

For the years ended

Millions of Yen

Millions of Yen

Millions of Yen

Millions of Yen

March 31,2026

7,619

(1,053)

(2,016)

6,682

March 31,2025

(919)

(628)

645

2,128

Net sales

Operating income

Ordinary income

Profit attributable to owners of parent

EPS

Year ending March 31,2027

Millions of Yen

%

Millions of Yen

%

Millions of Yen

%

Millions of Yen

%

Yen

34,400

(15.8)

1,710

(71.9)

1,670

(72.3)

1,120

(73.4)

114.25

4. Others

(1) Changes in major subsidiaries during the fiscal year ended March 31,2026 : No

(2) Changes in accounting policies, accounting estimates and retrospective restatements in the consolidated financial

statements

1. Changes due to amendment of accounting standards : No

2. Changes due to other reasons : No

3. Changes in accounting estimates : No

4. Retrospective restatements : No

(3) Number of outstanding shares at the end of the period

1. Number of outstanding shares at the end of the period:

As of March 31, 2026: 10,423,600

As of March 31, 2025: 10,423,600

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

As of March 31, 2026: 620,608

As of March 31, 2025: 634,468

3. Average number of outstanding shares during period:

As of March 31, 2026: 9,798,554

As of March 31, 2025: 9,785,101

Note: The Company has conducted a 4-for-1 stock split of its common shares as of April 1, 2026. "Number of outstanding

shares at the end of the period", "Number of treasury shares at the end of the period" and "Average number of

outstanding shares during period" have been calculated based on the assumption that the stock split had been

implemented at the beginning of the previous fiscal year.

Note concerning the Appropriate Use of Forecast

The aforementioned forecasts are based on certain assumptions that Company has deemed relevant and

appropriate as of the date of publication.

Actual results may differ materially from the forecast due to many factors.

(Thousands of yen)

As of March 31, 2025

As of March 31, 2026

Assets

Current assets

Cash and deposits

2,128,680

6,682,480

Notes and accounts receivable - trade

5,109,073

3,335,633

Merchandise and finished goods

3,823,709

4,361,893

Work in process

404,737

846,683

Raw materials and supplies

3,100,380

2,619,056

Other

423,614

489,655

Allowance for doubtful accounts

(17,346)

(10,441)

Total current assets

14,972,851

18,324,961

Non-current assets

Property, plant and equipment

Buildings and structures

5,605,958

5,749,937

Accumulated depreciation

(3,122,827)

(3,289,845)

Buildings and structures, net

2,483,130

2,460,092

Machinery, equipment and vehicles

7,894,256

8,161,782

Accumulated depreciation

(6,956,643)

(7,285,118)

Machinery, equipment and vehicles, net

937,612

876,663

Tools, furniture and fixtures

770,323

814,340

Accumulated depreciation

(684,372)

(722,645)

Tools, furniture and fixtures, net

85,951

91,695

Land

1,436,191

1,436,191

Leased assets

374,126

372,366

Accumulated depreciation

(94,836)

(114,742)

Leased assets, net

279,289

257,623

Construction in progress

58,935

550,396

Total property, plant and equipment

5,281,110

5,672,663

Intangible assets

Other

136,406

117,393

Total intangible assets

136,406

117,393

Investments and other assets

Investment securities

173,118

229,993

Retirement benefit asset

75,451

90,592

Deferred tax assets

125,503

130,047

Other

173,111

165,367

Allowance for doubtful accounts

-

(1,312)

Total investments and other assets

547,184

614,688

Total non-current assets

5,964,701

6,404,745

Total assets

20,937,553

24,729,706

(Thousands of yen)

As of March 31, 2025

As of March 31, 2026

Liabilities

Current liabilities

Notes and accounts payable - trade

2,388,240

1,723,307

Electronically recorded obligations - operating

333,459

433,549

Short-term borrowings

2,965,100

1,242,656

Accounts payable - other

153,321

202,142

Lease liabilities

28,750

28,654

Income taxes payable

1,121,760

1,313,340

Contract liabilities

1,282

1,275,810

Provision for bonuses

252,515

309,309

Provision for bonuses for directors (and other

officers)

71,009

148,997

Other

226,875

679,607

Total current liabilities

7,542,314

7,357,374

Non-current liabilities

Long-term borrowings

726,400

1,222,954

Lease liabilities

282,938

260,047

Deferred tax liabilities

33,198

33,141

Retirement benefit liability

365,295

352,663

Asset retirement obligations

38,391

38,832

Other

16,173

17,703

Total non-current liabilities

1,462,397

1,925,341

Total liabilities

9,004,711

9,282,715

Net assets

Shareholders' equity

Share capital

1,018,126

1,018,126

Capital surplus

580,107

597,130

Retained earnings

10,412,225

13,867,701

Treasury shares

(149,730)

(149,303)

Total shareholders' equity

11,860,730

15,333,654

Accumulated other comprehensive income

Valuation difference on available-for-sale

securities

54,382

92,641

Foreign currency translation adjustment

17,728

20,694

Total accumulated other comprehensive income

72,111

113,335

Total net assets

11,932,841

15,446,990

Total liabilities and net assets

20,937,553

24,729,706

(Thousands of yen)

Fiscal year ended March 31, 2025

Fiscal year ended March 31, 2026

Net sales

25,179,512

40,866,654

Cost of sales

20,227,084

33,155,204

Gross profit

4,952,427

7,711,450

Selling, general and administrative expenses

Freight-out and storage expense

162,399

192,717

Salaries and allowances

417,201

493,696

Provision for bonuses

66,140

102,871

Provision for bonuses for directors (and other

officers)

71,009

148,997

Retirement benefit expenses

8,064

4,228

Welfare expenses

78,941

94,683

Depreciation

40,578

44,149

Travel and communication expenses

33,528

32,458

Rent expenses

31,583

31,275

Other

444,975

485,587

Total selling, general and administrative expenses

1,354,422

1,630,665

Operating profit

3,598,004

6,080,784

Non-operating income

Interest income

1,783

798

Dividend income

5,184

7,632

Insurance claim income

-

5,401

Subsidy income

5,010

11,619

Surrender value of insurance policies

13,493

11,595

Reversal of allowance for doubtful accounts

-

5,593

Other

4,362

7,086

Total non-operating income

29,833

49,726

Non-operating expenses

Interest expenses

41,322

76,881

Foreign exchange losses

37,774

18,065

Care and maintenance costs of suspended mine

15,429

8,831

Other

2,122

1,342

Total non-operating expenses

96,649

105,121

Ordinary profit

3,531,188

6,025,390

Extraordinary income

Gain on sale of non-current assets

845

-

Total extraordinary income

845

-

Extraordinary losses

Loss on retirement of non-current assets

1,570

4,807

Total extraordinary losses

1,570

4,807

Profit before income taxes

3,530,463

6,020,582

Income taxes - current

1,160,803

1,829,049

Income taxes - deferred

(86,422)

(23,218)

Total income taxes

1,074,381

1,805,831

Profit

2,456,081

4,214,750

Profit attributable to owners of parent

2,456,081

4,214,750

(Thousands of yen)

Fiscal year ended March 31, 2025

Fiscal year ended March 31, 2026

Profit

2,456,081

4,214,750

Other comprehensive income

Valuation difference on available-for-sale securities

3,963

38,258

Foreign currency translation adjustment

4,321

2,966

Total other comprehensive income

8,284

41,224

Comprehensive income

2,464,366

4,255,975

Comprehensive income attributable to

Comprehensive income attributable to owners of

parent

2,464,366

4,255,975

Shareholders' equity

Accumulated other comprehensive income

Total net assets

Share capital

Capital surplus

Retained earnings

Treasury shares

Total shareholder s' equity

Valuation difference on available-for-sale

securities

Foreign currency translation adjustment

Total accumulate d other comprehen sive income

Balance at

beginning of period

1,018,126

580,107

10,412,225

(149,730)

11,860,730

54,382

17,728

72,111

11,932,841

Changes during

period

Dividends of

surplus

(759,275)

(759,275)

(759,275)

Profit attributable to

owners of parent

4,214,750

4,214,750

4,214,750

Purchase of

treasury shares

(3,132)

(3,132)

(3,132)

Disposal of treasury shares

17,022

3,559

20,582

20,582

Net changes in items other than shareholders'

equity

38,258

2,966

41,224

41,224

Total changes

during period

-

17,022

3,455,475

426

3,472,924

38,258

2,966

41,224

3,514,149

Balance at end of

period

1,018,126

597,130

13,867,701

(149,303)

15,333,654

92,641

20,694

113,335

15,446,990

(Thousands of yen)

Fiscal year ended March 31, 2025

Fiscal year ended March 31, 2026

Cash flows from operating activities

Profit before income taxes

3,530,463

6,020,582

Depreciation

671,605

653,973

Increase (decrease) in provision for bonuses

95,405

56,794

Increase (decrease) in provision for bonuses for

directors (and other officers)

63,383

77,988

Increase (decrease) in allowance for doubtful

accounts

8,307

(5,593)

Increase (decrease) in retirement benefit liability

10,801

(12,632)

Decrease (increase) in retirement benefit asset

1,088

(15,141)

Interest and dividend income

(6,967)

(8,430)

Interest expenses

41,322

76,881

Foreign exchange losses (gains)

(258)

(775)

Loss (gain) on sale of property, plant and equipment

(845)

-

Loss on retirement of property, plant and equipment

1,570

4,807

Decrease (increase) in trade receivables

(2,240,270)

1,772,247

Decrease (increase) in inventories

(3,777,766)

(501,556)

Increase (decrease) in trade payables

1,067,555

(563,224)

Increase (decrease) in contract liabilities

(61,197)

1,277,954

Other, net

(98,471)

503,190

Subtotal

(694,274)

9,337,066

Interest and dividends received

6,967

8,430

Interest paid

(40,148)

(77,257)

Income taxes paid

(196,934)

(1,648,790)

Income taxes refund

5,158

-

Net cash provided by (used in) operating activities

(919,232)

7,619,449

Cash flows from investing activities

Purchase of property, plant and equipment

(624,376)

(1,044,689)

Proceeds from sale of property, plant and equipment

1,239

-

Payments for retirement of property, plant and

equipment

(570)

(3,965)

Purchase of intangible assets

(7,176)

(2,607)

Other, net

2,230

(2,104)

Net cash provided by (used in) investing activities

(628,653)

(1,053,365)

Cash flows from financing activities

Net increase (decrease) in short-term borrowings

1,200,000

(1,700,000)

Proceeds from long-term borrowings

-

1,000,000

Repayments of long-term borrowings

(279,200)

(525,890)

Repayments of lease liabilities

(28,486)

(28,590)

Purchase of treasury shares

(2,451)

(3,132)

Dividends paid

(244,583)

(759,274)

Net cash provided by (used in) financing activities

645,278

(2,016,887)

Effect of exchange rate change on cash and cash

equivalents

8,012

4,603

Net increase (decrease) in cash and cash equivalents

(894,594)

4,553,799

Cash and cash equivalents at beginning of period

3,023,275

2,128,680

Cash and cash equivalents at end of period

2,128,680

6,682,480

Reportable segments

Others

Total

Reconciling items

Per consolidated financial statements

Antimony products

Atomized metal powders

Reportable segments

Sales

Revenues from external customers

29,373,076

11,453,355

40,826,432

40,222

40,866,654

-

40,866,654

Transactions with other

segments

-

73,128

73,128

1,649

74,777

(74,777)

-

Net sales

29,373,076

11,526,483

40,899,560

41,871

40,941,432

(74,777)

40,866,654

Operating profit (loss)

5,391,828

653,667

6,045,495

2,075

6,047,571

33,213

6,080,784

Assets

13,763,724

10,915,975

24,679,699

50,006

24,729,706

-

24,729,706

Other items

Depreciation

151,986

496,700

648,686

5,287

653,973

-

653,973

Increase in property, plant and equipment and intangible assets

177,533

806,832

984,366

26,505

1,010,871

-

1,010,871