Complaints procedure

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Hans D. Krieger offers internal and external parties and interest groups the opportunity to report complaints, grievances and concerns relating to aspects related to the RJC-COP standard.

Complaints may include the following

Violations related to the procurement of raw materials, diamonds and precious stones
Disregard of human rights or illegal working conditions
Violations of environmental regulations
Bribes or bribes
Other violations of all types

The management of Hans D. Krieger GmbH & Co. KG is directly responsible for monitoring, reviewing and evaluating the complaint procedure. Complaints can be submitted in writing, by telephone or by e-mail to the following addresses:

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Hans D. Krieger GmbH & Co. KG

Telephone +49 6781 94900

compliance@kriegernet.com

www.kriegernet.com

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We will handle incoming legitimate complaints and comments in accordance with the procedure described below.

Classification for internal or external violations of RJC guidelines, human rights, or environmental regulations

Preparation of a complaint report
Root cause analysis, develop possible solutions
Inform, listen to and work towards solutions to affected parties
Monitoring of measures taken
Informing the complainant of measures and decisions taken
Retention of complaints and related processes for a period of at least 5 years

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management

Andreas Krieger

September, 2025