DEKRA Certification GmbH * Handwerkstraße 15 * D-70565 Stuttgart * www.dekra-certification.de page 1 of 4

CERTIFICATE

ISO 9001:2015

DEKRA Certification GmbH hereby certifies that the organization

Wilhelm Hoyer GmbH & Co. KG Hoyer G.m.b.H. Finke Mineralölwerk GmbH Hoyer Strom & Erdgas GmbH Scope of certification:

Sales of energy products and technologies, production of lubricants and AdBlue, laboratory services Certified location:

Rudolf-Diesel-Straße 1, 27374 Visselhövede, Deutschland (further locations see annex)

has established and maintains a quality management system according to the above mentioned standard. The conformity was adduced with audit report no. A19041431.

Certificate registration no.: 81216744/1 Validity of previous certificate: 2019-12-28

Certificate valid from: 2019-12-29 Certificate valid to: 2022-12-28

Dr. Gerhard Nagel

DEKRA Certification GmbH, Stuttgart, 2019-12-23

DEKRA Certification GmbH * Handwerkstraße 15 * D-70565 Stuttgart * www.dekra-certification.de page 2 of 4

Annex to the Certificate No. 81216744/1

valid from 2019-12-29 to 2022-12-28 The following locations / companies belong to the certificate above:

Headquarter Certified location Scope of certification

Wilhelm Hoyer GmbH & Co. KG

Rudolf-Diesel-Str. 1; D-27374 Visselhövede

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

at the following locations / at the companies at the following locations

Scope of certification

1. Hoyer G.m.b.H. Rudolf-Diesel-Straße 1 27374 Visselhövede

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

2. Finke Mineralölwerk GmbH

Rudolf-Diesel-Straße 1 27374 Visselhövede

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

3. Hoyer Strom & Erdgas GmbH

Rudolf-Diesel-Straße 1 27374 Visselhövede

Sales of electricity and natural gas products

4. Wilhelm Hoyer GmbH & Co. KG

Dessauer Str.10; D-39619 Arendsee

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

5. Hoyer G.m.b.H. Dessauer Str.10; D-39619 Arendsee

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

6. Wilhelm Hoyer GmbH & Co. KG

Mindener Str. 5; D-14822 Linthe

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

7. Wilhelm Hoyer GmbH & Co. KG

Große Riehen 10; D-28239 Bremen

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

8. Wilhelm Hoyer GmbH & Co. KG

Hogrevestr. 8; D-29223 Celle

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

9. Wilhelm Hoyer GmbH & Co. KG

Billwerder Ring 21, D-21035 Hamburg

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

10. Wilhelm Hoyer GmbH & Co. KG

Tuchheimer Str. 3; D-39126 Magdeburg

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

11. Wilhelm Hoyer GmbH & Co. KG

An der Autobahn 49 – 52; D-19306 Neustadt-Glewe

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

DEKRA Certification GmbH * Handwerkstraße 15 * D-70565 Stuttgart * www.dekra-certification.de page 3 of 4

Annex to the Certificate No. 81216744/1

valid from 2019-12-29 to 2022-12-28 The following locations / companies belong to the certificate above:

Headquarter Certified location Scope of certification

Wilhelm Hoyer GmbH & Co. KG

Rudolf-Diesel-Str. 1; D-27374 Visselhövede

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

at the following locations / at the companies at the following locations

Scope of certification

12. Hoyer G.m.b.H

Mindener Straße 5; D-14822 Linthe

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

13. Finke Mineralölwerk GmbH

Große Riehen 10, D-28239 Bremen

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

14. Wilhelm Hoyer GmbH & Co. KG

Hansator; D-28217 Bremen

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

15. Wilhelm Hoyer GmbH & Co. KG

Sülzbührener Straße 7; D-49685 Emstek

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

16. Wilhelm Hoyer GmbH & Co. KG

Büchnerstraße 3; D-38118 Braunschweig

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

17. Wilhelm Hoyer GmbH & Co. KG

Poststraße 18; D-04158 Leipzig

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

18. Wilhelm Hoyer GmbH & Co. KG

Schlepelsberg 2; D-21629 Neu Wulmstorf

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

19. Wilhelm Hoyer GmbH & Co. KG

Kleiner Holzhägen 1; D-30559 Hannover

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

20. Wilhelm Hoyer GmbH & Co. KG

Güterbahnhofstraße 11c; D-37154 Northeim

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

21. Wilhelm Hoyer GmbH & Co. KG

Am Kanal 5-7; 29378 Wittingen

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

22. Wilhelm Hoyer GmbH & Co. KG

An der B245 39343 Hundisburg

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

DEKRA Certification GmbH * Handwerkstraße 15 * D-70565 Stuttgart * www.dekra-certification.de page 4 of 4

Annex to the Certificate No. 81216744/1

valid from 2019-12-29 to 2022-12-28 The following locations / companies belong to the certificate above:

Headquarter Certified location Scope of certification

Wilhelm Hoyer GmbH & Co. KG

Rudolf-Diesel-Str. 1; D-27374 Visselhövede

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

at the following locations / at the companies at the following locations

Scope of certification

23. Hoyer G.m.b.H

An der Autobahn 49-52 19306 Neustadt-Glewe

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

24. Wilhelm Hoyer GmbH & Co. KG

An der Autobahn 7 19306 Neustadt-Glewe

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

25. Wilhelm Hoyer GmbH & Co. KG

Kastanienweg 2 25578 Dägeling

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

26. Wilhelm Hoyer GmbH & Co. KG

Lübecker Straße 12 49124 Georgsmarienhütte

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

27. Wilhelm Hoyer GmbH & Co. KG

Gottlieb Daimler Straße 2c 29614 Soltau

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

28. Wilhelm Hoyer GmbH & Co. KG

An der B71 29416 Flecken Apenburg Winterfeld

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

29. Wilhelm Hoyer GmbH & Co. KG

Treuenbrietzener Straße 30 14823 Niemegk

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

30. Wilhelm Hoyer GmbH & Co. KG

Industriegelände 1 17219 Möllenhagen

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

31. Wilhelm Hoyer GmbH & Co. KG

Dampfhammerstraße 8 26689 Apen/Augustfehn

Sales of energy products and technologies, production of lubricats and AdBlue, laboratory services

Dr. Gerhard Nagel

DEKRA Certification GmbH, Stuttgart, 2019-12-23