Annual report 2025

Table of contents

‌HIGHLIGHTS

Our strategic report

Our governance

Supervisory Board report

Remuneration report

Our sustainability statements

Financial

statements 3

People Planet Profit

Safety

5.37LTIF

Gross CO2e emission

(market-based)

10,G48mT

Participation in projects resulting in

1,153 MW

Order book

533Kton

Contribution (in €)

mln

187.1

Contribution per Kton (in €)

1.0 Million

Adjusted EBITDA (in €)

48.0mln

EBITDA (in €)

27.5

mln

Reference is made to the sustainability statements and the section Definition and Explanation of use of non-IFRS financial measures of the annual report for further details

Table of contents

2025

Our strategic report

Our governance

Supervisory Board report

Remuneration report

Our sustainability statements

Financial

statements 4

Sif appoints Paul van Warmerdam Business Unit Director Roermond

First load-out Empire Wind 1 completed

Visit by Prime Minister of Saarland, Anke Rehlinger

Sif appoints Boudewijn van Schaïk CFO

Sif appoints Neil McArthur Chair of Supervisory Board and Mathijs Koster member of Supervisory Board

Minister Sophie Hermans officially opens expanded factory at Maasvlakte 2

Sif starts employee engagement surveys

New order for 32 jacket piles for Dolwin 4 and Borwin 4

Sif completes Monopile top sections for Ecowende project

Sif adds a 200 kton exclusivity contract to the order book for 2027

Final load-out for Empire Wind 1 project in USA

Launch new website and brand movie

EcoVadis awards Sif the silver medal

Sif organizes Safety days 2025

Sif Academy live

Completion of Vibrojet jetrings

Sif appoints Pepijn Timmermans COO

Final load-out of Doggerbank project

First load-out for Ecowende project

Sif appoints Fridus Rijnten Business Unit Director Maasvlakte 2

Table of contents

Our strategic report

Our governance

Supervisory Board report

Remuneration report

Our sustainability statements

Financial

statements 5

Financial statements 104

Consolidated financial statements 105

Notes to the consolidated 111

financial statements

page G page 2G page 48

Separate financial statements 151

Notes to the separate 154

Our strategic report 6

Sif Holding at a glance 7

Message from our CEO 13

Fred van Beers

Strategy, business model 16

and our value chain

Our governance 30

Corporate governance 31

Risk management 37

Executive board statements 43

Executive and Supervisory boards 45

Supervisory Board report 48

Remuneration report 53

Our sustainability statements 5G

General disclosures 61

Environmental disclosures 72

Social disclosures 84

Governance disclosures G0

financial statements

Other information 158

Independent auditor's report 161

Reconciliation of non-IFRS 173

financial measures

page3

page C