6.3.34Auditor’s Fees and Services

Fees included in Other operating costs related to PwC, the 2015 and 2014 Company’s external auditor, are summarized as follows:

in thousands of US$

2015

2014

Audit fees

2,162

1,878

Out of which:

- invoiced by PwC Accountants N.V.

748

548

- invoiced by PwC network firms

1,414

1,330

Tax fees

92

64

Other

555

927

Total

2,810

2,869

The other auditor’s fees mainly relate to other auditing services carried out in the course of the development of a master limited partnership (MLP) project.

The other fees paid in 2014 relate to forensic activities, initiated in 2012, and which were completed during the period.