Waihi Surface Explosives Principal Management Plan Approved by: General Manager Approval Date: 15/10/2017 Next Review: Archived OceanaGold Waihi Doc ID: WAI-350-PLN-003 Page 2 of 31 Document Issuance and Revision History Document Name: Waihi Surface Explosives Principal Management Plan Document Reference: WAI-350-PLN-003 Revision No. Revision Date Section Page Description of Issuance or Revision Effective Date 1.0 20/1/2016 Update to Waihi Gold Co Ltd 21/1/2016 2.0 1/6/2016 Update to OGNZL 1/6/2016 3.0 Dec 2016 Review 19/12/2016 4.0 Oct 2017 Archived – pit on care and maintenance, no explosives stored/used 15/10/2017
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