What is the Org number of ATDL AS?

ATDL AS is registered with Brønnøysundsregistrene under Org 927458942.

Who is the chairman of ATDL AS?

Tom Henning Slethei chairs the board of ATDL AS, in role since 2025.

ATDL AS's registered address is Fridtjof Nansens Vei 19, 0369 Oslo.

ASActive

Org 927458942Fridtjof Nansens Vei 19, 0369 OsloSupport activities for petroleum and natural gas extraction· NACE 0910Est. 2021 · 4 years old0 employees

Actively employed in the business

No data on file.

Non-executive oversight

Name	Role	Member since
Current (5)
JA Jonas Alexander Advocaat Kraft Board of Directors	Board of Directors	2025
EP Erland Peter Bassøe Board of Directors	Board of Directors	2024
OH Ole Henry Slorer Board of Directors	Board of Directors	2025
RM Rune Magnus Lundetræ Board of Directors	Board of Directors	2021
TH Tom Henning Slethei Chairman	Chairman	2025
Former (4)
GO Glen Ole Rødland Board of Directors	Board of Directors	2021 – 2025
JC Jon Christian Syvertsen Chairman	Chairman	2024 – 2025
CP Christopher Paus Board of Directors	Board of Directors	2021 – 2025
AM Anders Myklebust Chairman	Chairman	2021 – 2021

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Pelmer Securities S.A	Company	29.03%	29.03%	2025
Uthalden As	Company	14.59%	14.59%	2025
Songa Investments As	Company	11.35%	11.35%	2025
Ponderus Invest Ab	Company	8.76%	8.76%	2025
Tfr Invest As	Company	5.67%	5.67%	2025
Alto Holding As	Company	5.37%	5.37%	2025
Syneco As	Company	3.97%	3.97%	2025
Bass Invest Holding As	Company	3.75%	3.75%	2025
Gross Management As	Company	3.21%	3.21%	2025
Firecon As	Company	2.34%	2.34%	2025
Larsson Shipping Ab	Company	2.21%	2.21%	2025
Christopher Paus	Individual	1.83%	1.83%	2025
Melesio Capital As	Company	1.59%	1.59%	2025
Raspart Förvaltning Ab	Company	1.57%	1.57%	2025
Pharos Invest I As	Company	1.28%	1.28%	2025
Sebastian Brooke	Company	1.12%	1.12%	2025

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