AVANTOR AS

Roles

Daglig lederØystein Frederik Thorup

Revisor

Styrets lederDag Rasmussen

StyremedlemLars Erik Larsson

Auditor

Auditor at related companies

None of the 20 related companies use the same auditor.

Company	Auditor
ANTHON WALLESVEI 43B AS	CEDRA NORGE AS	different
AVANTOR GJERDRUMS VEI 11 AS	CEDRA NORGE AS	different
AVANTOR NYDALSVEIEN 21 AS	CEDRA NORGE AS	different
AVANTOR NYDALSVEIEN 30A AS	CEDRA NORGE AS	different
AVANTOR P N12-26 AS	CEDRA NORGE AS	different
AVANTOR PARKERING AS	CEDRA NORGE AS	different
AVANTOR SANDAKERVEIEN 113-119 AS	CEDRA NORGE AS	different
AVANTOR SLEMMESTAD AS	CEDRA NORGE AS	different
CRESSIDA AS	CEDRA NORGE AS	different
NORDIC KINGFISH FREDRIKSTAD AS	BDO AS	different
OCEANIC SEISMIC VESSELS AS	PRICEWATERHOUSECOOPERS AS	different
POLYSERVICES AS	CEDRA NORGE AS	different
PORTIA AS	CEDRA NORGE AS	different
SHEARWATER GEOASSETS AS	PRICEWATERHOUSECOOPERS AS	different
SHEARWATER GEOSERVICES AS	PRICEWATERHOUSECOOPERS AS	different
SHEARWATER GEOSERVICES ASSETS VI AS	PRICEWATERHOUSECOOPERS AS	different
SHEARWATER GEOSERVICES ASSETS VIII AS	PRICEWATERHOUSECOOPERS AS	different
SHEARWATER GEOSERVICES HOLDING AS	PRICEWATERHOUSECOOPERS AS	different
STADION HØYHUS AS	CEDRA NORGE AS	different
STADION NÆRING AS	CEDRA NORGE AS	different

Shareholders

Name	Stake	Shares	Year
RASMUSSENGRUPPEN AS	100.0%	18895000.000000	2025

Holdings in other companies

Company	Status	Stake	Shares
AVANTOR GJERDRUMS VEI 11 AS	Active	100.0%	100.000000
SJØSENTERET VALLØ TØNSBERG AS	Active	100.0%	2700.000000
AVANTOR GULLHAUG TORG 1 AS	Active	100.0%	100.000000
AVANTOR NYDALSVEIEN 18 OG 24 AS	Active	100.0%	119329350.000000
AVANTOR NYDALSVEIEN 12 AS	Active	100.0%	71574140.000000
SLEMMESTAD ENERGI AS	Active	100.0%	3000000.000000
AVANTOR SLEMMESTAD AS	Active	100.0%	2328.000000
AVANTOR NYDALSVEIEN 33 AS	Active	100.0%	32087212.000000
AVANTOR GULLHAUG TORG 5 AS	Active	100.0%	217286.000000
STADION PARKERING AS	Active	100.0%	85000.000000
AVANTOR EIENDOMSFORVALTNING AS	Active	100.0%	1000.000000
HUSØY HAVN AS	Active	100.0%	80600.000000
STADION NÆRING AS	Active	100.0%	150000.000000
AVANTOR NYDALSVEIEN 32B AS	Active	100.0%	178280.000000
AVANTOR VITAMINVEIEN 5B AS	Active	100.0%	301290.000000
AVANTOR NYDALEN ALLÉ 37 AS	Active	100.0%	250843814.000000
AVANTOR NYDALSVEIEN 30A AS	Active	100.0%	25107410.000000
AVANTOR NYDALSVEIEN 21 AS	Active	100.0%	368215.000000
AVANTOR GULLHAUG TORG 2A AS	Active	100.0%	100000.000000
AVANTOR P N12-26 AS	Active	100.0%	9579261.000000
ANTHON WALLESVEI 43B AS	Active	100.0%	100000.000000
AVANTOR NYDALSVEIEN 30B AS	Active	100.0%	168423.000000
AVANTOR GJERDRUMS VEI 6 AS	Active	100.0%	316906.000000
AVANTOR GJERDRUMS VEI 4 AS	Active	100.0%	859902.000000
AVANTOR NYDALSVEIEN 28 AS	Active	100.0%	221061.000000
AVANTOR GJERDRUMS VEI 10A AS	Active	100.0%	20100000.000000
AVANTOR SANDAKERVEIEN 128 AS	Active	100.0%	100000.000000
STADION HØYHUS AS	Active	100.0%	25000.000000
AVANTOR PARKERING AS	Active	100.0%	100.000000
AVANTOR SANDAKERVEIEN 113-119 AS	Active	100.0%	170100.000000

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.