Soledad Mountain Mine

Name of Mine, Production Facility or Transport Operation

Soledad Mountain Mine


Signatory Ownership Position

100%

Name of Operating Company

Golden Queen Mining Company, LLC


Operation Address / Location

2818 Silver Queen Road
Mojave,
California
93501
United States


Date of Certification

October 25, 2022

Date of Initial Certification

January 25, 2019

Signatory Date*

May 15, 2013

Additional Information or Comments

The Soledad Mountain Mine was certified in substantial compliance on October 25, 2022 and must complete all corrective actions identified in its Corrective Action Plan by October 25, 2023. Completion of corrective actions from the January 25, 2019 certification was delayed due to extended temporary shutdowns, COVID-19, and ownership change.