4.3.32Independent Auditor’s Fees and Services

Auditor fees included in ’Other operating costs’ are the agreed fees with Deloitte, the Company’s external independent auditor in 2025 and 2024, are summarized as follows:

in thousands of US$

2025

2024

Audit of financial statements

4,214

4,030

Out of which:

- invoiced by Deloitte Accountants B.V.

2,655

2,941

- invoiced by Deloitte network firms

1,559

1,089

Tax advisory services by Deloitte network firms

60

17

Other assurance services by Deloitte network firms

303

308

Total

4,577

4,355

Total audit fees increased mainly due to the new scope of the audit of financial statements, also following the award of new projects for the company and the increased regulatory environment relating to tax.

In both 2025 and 2024, the other assurance services were mainly related to the review of the Company sustainability report. No other non-assurance services were conducted, other than the ones already disclosed.