Supporting Technical Assessments

18 | P a g e Class 1 Storage Location Assessment_Oceana Gold NZ Ltd Wharekirauponga Underground Mine with other underground magazines in regions with a greater density of underground mining operations. Ongoing and future mining operations and extraction of material, will have a beneficial effect and further reduce calculated controlled zone offsets due to the increase in tunnel volume. Prior to final commissioning of underground class 1 storage facility – assessment will be undertaken by an independent Compliance Certifier that will ensure the site is appropriate in its design, positioning and proposed capacities to enable Location Compliance Certification. Reported compiled and submitted – 10th December 2021 Nathan Cotter Technical and Operations Manager Global Seismic Solutions Ltd Suite 3, Level 1, 666 Dominion Rd | Mt Eden | Auckland 1041| New Zealand Phone | Head Office: +64 9 631 0467 | Fax: +64 9 631 0392 | Mobile: +64 21 792 485 Email | [email protected] Confidential The Information in this report is provided in good faith by Global Seismic Solutions Ltd, for the sole consideration and use of the recipient and on the understanding and expectation that it will not be communicated to or relied upon by any other person or organisation. No responsibility or duty toward any other person or entity is assumed, expressly or by implication, by Global Seismic Solutions Ltd or by any of its related or subsidiary entities. Disclaimer of Liability In preparing this Information, Global Seismic Solutions Ltd has relied upon information provided and requirements communicated to it by the recipient, but are not able to anticipate or control the circumstances and conditions under which the Information may be relied upon by the recipient. Accordingly, Global Seismic Solutions Ltd, on behalf of itself and its subsidiary and related entities, expressly disavows and rejects, to the fullest extent permitted by law, any liability of whatever nature and however arising, including by reason of any actual or alleged negligence on the part of Global Seismic Solutions Ltd and/or its related or subsidiary entities, servants or agents, directly or indirectly out of or in connection with its provision of the Information and/or reliance upon the Information by the recipient or by any other person, entity or organisation. No express or implied warranties are given except to the minimum extent provided by law. The total liability of Global Seismic Solutions Ltd, its related or subsidiary entities, in respect of all matters directly or indirectly arising out of or in connection with the provision of the Information or the reliance upon it by any person, entity or organisation, shall not exceed the amount paid or payable to Global Seismic Solutions Ltd as consideration for the provision of the Information. Copyright© All rights reserved. No part of this document may be reproduced, published, adapted or transmitted in any from or by any other means without written permission of Global Seismic Solutions Ltd.

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