Name of Mine, Production Facility or Transport Operation
Hidden Valley Plant
Signatory Ownership Position
100%
Name of Operating Company
Harmony Gold Mining Co Ltd
Operation Address / Location
Consort Building, PO Box 4015Lae, Morobe Province 411
Papua New Guinea
Date of Certification
June 30, 2025
Date of Initial Certification
Signatory Date*
October 30, 2008
Archived Audit Documents
Additional Information or Comments
The Hidden Valley Plant was initially certified in substantial compliance on April 7, 2014 and announced in full compliance on May 11, 2015 upon completion of its Corrective Action Plan. In 2017 Hidden Valley became temporarily inactive and its certification expired.