Saturday, September 26, 2026
MiningNewsTerminal
Saturday, September 26, 2026 Admin

OGC.TO ·

Oceanagold Releases 2023 Sustainability Report

Corporate Updates

1

May 8, 2024 News Release

Oceanagold Releases 2023 Sustainability Report

(VANCOUVER) OceanaGold Corporation (TSX: OGC , OTCQX:OCANF ) ("OceanaGold" or the "Company") is

pleased to publish its annual Sustainability Report and related documents for the year ended December 31, 2023.

Gerard Bond, President and CEO of OceanaGold, said “We made good progress on our sustainability commitments

in 2023, consistent with our Purpose of mining gold for a better future. Sustainability remains central to our strategy

and Company performance. It matters to our investors who rely on sustainability performance in their investment

decisions, to our employees who want to work for a purpose -driven organization and to other stakeholders who

expect us to manage the impacts associated with our opera tions. We are committed to integrating sustainable

practices throughout our business, with a particular focus on keeping our people safe and healthy, reducing our

environmental impacts, and creating benefits and opportunities beyond our mines.”

Megan Saussey, Chief Sustainability Officer of OceanaGold , said “2023 was a year of building on our strong

foundations of operating safely and responsibly. Our goal is to be excellent in sustainability, to further enhance the

trust we have with our stakeholders and build an even more resilient business.”

2023 Sustainability Performance Highlights

• Total Recordable Injury Frequency Rate (TRIFR) of 4.41 and injury severity rate of 0.22.

• Zero material environmental incidents2.

• Independently assured OceanaGold’s conformance with the World Gold Council’s Responsible Gold

Mining Principles (RGMPs) and Conflict-Free Gold Standard.

• Achieved Morgan Stanley Capital International (MSCI) AA and Leader rating.

• Completed a gap assessment against the Global Industry Standard on Tailings Management.

• Board approval of an updated Sustainability Strategy and Climate Change Strategy.

• Energy and greenhouse-gas emission-reduction plans developed for all sites.

1 Per million hours worked on a 12-month moving average basis for the year ended 31 December 2023.

2 Category 4 environmental event - measurable medium-term impact off site (lasting less than six months post remediation).

2

• Spent over US$198 million with local suppliers and over US$9 million on social investment contributions.

• Developed a Supplier Code of Conduct.

• New Culture Survey launched with above average engagement; 76% of employees report an intent to

stay with the Company for over three years.

• Completed collective bargaining negotiations with no industrial downtime.

• Launched values-based recognition program with over 200 nominations received across the Company.

• Significant progress made on Reefton Restoration Project, an industry-leading mine closure rehabilitation

project in the process of relinquishment to New Zealand’s’ Department of Conservation.

Links to OceanaGold’s Sustainability-related Reports

• 2023 Sustainability Report is available here.

• 2023 Interactive ESG Data is available here.

• 2023 Basis of Preparation is available here.

• 2023 RGMP Implementation and Conformance Report is available here.

• 2023 Conflict-Free Gold Statement is available here.

About OceanaGold

OceanaGold is a growing intermediate gold and copper producer committed to safely and responsibly maximizing

the generation of Free Cash Flow from our operations and delivering strong returns for our shareholders. We have

a portfolio of four operating mine s: the Haile Gold Mine in the United States of America; Didipio Mine in the

Philippines; and the Macraes and Waihi operations in New Zealand.

For further information please contact:

Investor Relations:

Rebecca Harris, Director, Investor Relations

Tel: +1 604 678 4095

[email protected]

Media Relations:

Louise Burgess, Director, Communications

Tel: 1 (604) 403-2019

[email protected]

www.oceanagold.com

3

Cautionary Statement for Public Release

Certain information contained in this news release may be deemed “forward -looking” within the meaning of

applicable securities laws. Forward-looking statements and information relate to future performance and reflect the

Company’s expectations regarding the generation of free cash flow, execution of business strategy, future growth,

future production, estimated costs, results of operations, business prospects and opportunities of OceanaGold and

its related subsidiaries. Any statements that express or involve discussions with respect to predictions, expectations,

beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, using

words or phrases such as "expects" or "does not expect", "is expected", "anticipates" or "does not anticipate",

"plans", "estimates" or "intends", or stating that certain actions, events or results "may", "could", "would", "might" or

"will" be taken, occur or be achieved) are not statements of historical fact and may be forward-looking statements.

Forward-looking statements are subject to a variety of risks and uncertainties which could cause actual events or

results to differ materially from those expressed in t he forward-looking statements and information. They include,

among others, the accuracy of mineral reserve and resource estimates and related assumptions, inherent operating

risks and those risk factors identified in the Company’s most recent Annual Inform ation Form prepared and filed

with securities regulators which is available on SEDAR+ at www.sedarplus.com under the Company’s name. There

are no assurances the Company can fulfil forward -looking statements and information. Such forward -looking

statements and information are only predictions based on current information available to management as of the

date that such predictions are made; actual events or results may differ materially as a result of risks facing the

Company, some of which are beyond the Co mpany's control. Although the Company believes that any forward -

looking statements and information contained in this press release is based on reasonable assumptions, readers

cannot be assured that actual outcomes or results will be consistent with such s tatements. Accordingly, readers

should not place undue reliance on forward-looking statements and information. The Company expressly disclaims

any intention or obligation to update or revise any forward-looking statements and information, whether as a result

of new information, events or otherwise, except as required by applicable securities laws. The information contained

in this release is not investment or financial product advice.