Mount Morgan Mine Upper Mundic Gully TSF EA Amendment

Mount Morgan Mine - Upper Mundic Gully TSF Seepage Management Plan

Heritage Minerals

WSP Level 12, 900 Ann Street Fortitude Valley QLD 4006 GPO Box 2907 Brisbane QLD 4001

Tel: +61 7 3854 6200 Fax: +61 7 3854 6500 wsp.com

Rev

Date

Details

A

8/05/2026

Draft A – issue for client review

B

26/05/2026

Draft B – update on client’s review

Name

Date

Signature

Prepared by:

Alessandro Felci

26/05/2026

26/05/2026

Reviewed by:

Damien Tol

26/05/2026

Approved by:

Mike Gowan

WSP acknowledges that every project we work on takes place on First Peoples lands. We recognise Aboriginal and Torres Strait Islander Peoples as the first scientists and engineers and pay our respects to Elders past and present.

This document may contain confidential and legally privileged information, neither of which are intended to be waived, and must be used only for its intended purpose. Any unauthorised copying, dissemination or use in any form or by any means other than by the addressee, is strictly prohibited. If you have received this document in error or by any means other than as authorised addressee, please notify us immediately and we will arrange for its return to us.

PS213278-WSP-BNE-MNG-REP-058 RevC_PM

May 2026

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