Hidden Valley Plant

Name of Mine, Production Facility or Transport Operation

Hidden Valley Plant

Signatory Ownership Position


Name of Operating Company

Harmony Gold Mining Co Ltd

Operation Address / Location

Consort Building, PO Box 4015
Morobe Province
Papua New Guinea

Date of Certification

Date of Initial Certification

Signatory Date*

October 30, 2008

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.  The operation is currently operating, but is not currently certified.