v3.26.1
Income and deferred tax (Tables)
12 Months Ended
Dec. 31, 2025
Income and deferred tax  
Summary of income tax benefit and expense

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

  ​ ​ ​

in k€

in k€

  ​ ​ ​

in k€

Current taxes

 

  ​

 

  ​

- Tax expense for the year

(4,843)

(7,761)

(5,251)

- Income (expense) relating to other periods

2,785

328

(2,666)

Total current income taxes

(2,058)

(7,433)

(7,917)

Deferred taxes

 

- Tax loss carry forwards

(33,136)

34,786

1,606

- Temporary differences

18,443

(29,455)

2,991

Total deferred income taxes

(14,693)

5,331

4,597

Tax income (expense) recognized in the income statement

 

(16,751)

(2,102)

(3,320)

Schedule of effective income tax rate

  ​ ​ ​

2025

  ​ ​ ​

2024

2023

 

  ​ ​ ​

in k€

  ​ ​ ​

in k€

in k€

 

Income (loss) before taxes

(86,766)

(193,977)

(80,593)

Expected German income tax rate

32.28

%

32.28

%

32.28

%

Expected income tax benefit (expense)

28,008

62,616

26,015

Non-deductible expenses

(8,202)

(33,773)

(8,274)

R&D tax credits

8,297

8,667

8,558

Tax free income

2,322

13,106

7,968

Permanent differences from GILTI

(649)

(778)

(156)

Tax effects from investments accounted for using the equity method

2,494

(683)

(8,373)

Deviation tax rates to expected tax rate

6,137

(992)

(1,343)

Change in tax rates

(2,254)

(251)

Change in recognition of deferred tax assets

(52,791)

(49,359)

(25,568)

Taxes related to prior years

Current Taxes

2,784

328

(2,666)

Deferred Taxes

(2,455)

(1,736)

556

Other

(442)

502

213

Effective income tax income (expense)

(16,751)

(2,102)

(3,320)

Effective income tax rate

(19.31)

%

(1.08)

%

(4.12)

%

Schedule of deferred income tax assets and liabilities

January 1, 2025

December 31, 2025

Recognized in

Recognized

 other

Foreign 

Deferred

Deferred

 in

comprehensive

currency 

 tax

 tax

Net balance

 profit or loss

income

translation

Net

 assets

 liabilities

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

Property, plant and equipment

(29,391)

890

(28,501)

1,990

(30,491)

Intangible assets

2,610

(2,427)

183

321

(138)

Rights of use assets

 

(24,114)

(5,770)

 

(29,884)

 

 

(29,884)

Financial assets

 

(35,620)

26,507

24

 

(9,089)

 

5,821

 

(14,909)

Provisions and deferred income

 

(322)

509

(235)

 

(48)

 

3,035

 

(3,083)

Lease obligations

 

23,849

6,391

 

30,240

 

30,240

 

Other liabilities

 

17,007

(7,656)

 

301

9,652

 

10,689

 

(1,037)

Tax credits

 

142

(1)

141

 

141

 

Loss carryforward

 

48,656

(33,135)

15,521

 

15,521

 

Total

 

2,817

(14,693)

(211)

 

301

(11,786)

 

67,758

 

(79,543)

Offsetting of tax

 

 

(64,809)

 

64,809

Net

 

2,817

(14,693)

(211)

 

301

(11,786)

 

2,949

 

(14,735)

January 1, 2024

December 31, 2024

Recognized in

Recognized

other

Foreign 

Deferred

Deferred

 in

comprehensive

currency

 tax 

 tax 

Net balance

 profit or loss

income

 translation

Net

assets

liabilities

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

  ​ ​ ​

in k€

Property, plant and equipment

(11,533)

(18,057)

199

(29,391)

2,252

(31,643)

Intangible assets

(13,300)

15,910

2,610

3,563

(953)

Rights of use assets

(29,609)

5,495

 

(24,114)

 

 

(24,114)

Financial assets

 

(2,830)

(33,209)

419

 

(35,620)

 

978

 

(36,598)

Provisions and deferred income

 

8,121

(8,127)

(316)

 

(322)

 

4,856

 

(5,178)

Lease obligations

 

24,701

(852)

 

23,849

 

23,849

 

Other liabilities

 

6,312

9,704

1,774

 

(783)

17,007

 

17,201

 

(194)

Tax credits

 

461

(319)

142

 

142

 

Loss carryforward

 

13,870

34,786

48,656

 

48,656

 

Total

 

(3,807)

5,331

1,877

 

(584)

2,817

 

101,497

 

(98,680)

Offsetting of tax

 

 

(84,164)

 

84,164

Net

 

(3,807)

5,331

1,877

 

(584)

2,817

 

17,333

 

(14,516)

Summary of tax loss, interest carryforwards and tax credits

  ​ ​ ​

2025

  ​ ​ ​

2024

  ​ ​ ​

2023

  ​ ​ ​

in k€

in k€

  ​ ​ ​

in k€

Tax loss carryforwards (not expiring)

1,215,300

865,323

 

572,204

Time-limited tax losses

- expiring until 2030 (2024: 2029)

198

31,648

 

24,768

- expiring 2031 to 2035 (2024: 2030 - 2034)

17,248

32,019

 

32,179

- expiring after 2035 (2024: 2034)

25,978

27,303

 

38,243

Tax credits

1,192

1,337

 

1,181

Total

 

1,259,916

957,630

 

668,575