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OGC.TO ·

Oceanagold Announces First GOLD Pour at the Haile GOLD MINE IN South Carolina

Production Results Mine Development & Operations

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MEDIA RELEASE

20 January 2017

OCEANAGOLD ANNOUNCES FIRST GOLD POUR AT THE HAILE GOLD MINE IN

SOUTH CAROLINA

(MELBOURNE) OceanaGold Corporation ( TSX/ASX: OGC) (the “Company”) is pleased to announce first

gold production at the Haile Gold Mine. Today, the operation poured its first gold doré bars totalling 445

ounces.

Mick Wilkes, President and CEO of OceanaGold said, “ The f irst gold pour at Haile is another significant

achievement for the Company, the valued communities of Kershaw and Lancaster, and the state of South

Carolina. This achievement marks the first gold production from the Haile Gold Mine in 25 years, and nearly

190 years since gold was first produced there. The Haile Gold Mine is a world -class asset with leading

margins, a growing resource, and significant expansion potential.”

He added, “Construction is complete and commissioning activities are progressing to plan as we move closer

to putting the newest gold mine in the United States into commercial production early in the second quarter

this year. We are also advancing the Haile optimisation study which is expected to be complete by mid-2017.”

Figure 1 – OceanaGold Team with First Gold Bars from the Haile Gold Mine

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Figure 2 – First Gold Bars from OceanaGold’s Haile Gold Mine – Kershaw, South Carolina

Commissioning activities initially commenced with the grinding and leaching circuits with mill feed from

stockpiled oxide ore. With these circuits now up and running, commissioning is now moving to the flotation

and fine grinding circuits as part of the planned sequential introduction of transitional and sulphide ore into

the mill.

- ENDS -

For further information please contact:

Investor Relations

Sam Pazuki (Toronto) Jeffrey Sansom (Melbourne)

Tel: +1 416 915 3123 Tel: +61 3 9656 5300

Media Relations

Jill Thomas (Melbourne)

Tel: +61 3 9656 5300

[email protected] | www.oceanagold.com | Twitter: @OceanaGold

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About OceanaGold

OceanaGold Corporation is a mid-tier, high-margin, multinational gold producer with assets located in the

Philippines, New Zealand and the United States. The Company’s assets encompass its flagship operation,

the Didipio Gold-Copper Mine located on the island of Luzon in the Philippines. On the North Island of New

Zealand, the Company operates the high-grade Waihi Gold Mine while on the South Island of New Zealand,

the Company operates the largest gold mine in the country at the Macraes Goldfield which is made up of a

series of open pit mines and the Frasers underground mine. In the United States, the Company is currently

commissioning the Haile Gold Mine, a top-tier asset located in South Carolina along the Carolina Terrane.

The Company expects the Haile Gold Mine to commence commercial production in early 2017. OceanaGold

also has a significant pipeline of organic growth and exploration opportunities in the Australasia and Americas

regions.

OceanaGold has operated sustainably over the past 2 6 years with a proven track record for environmental

management and community and social engagement. The Company has a strong social license to operate

and works collaboratively with its valued stakeholders to identify and invest in social programs that are

designed to build capacity and not dependency.

In 2017, the Company expects to produce 550,000 to 610,000 ounces of gold and 15,000 to 17,000 tonnes

of copper with sector leading All-In Sustaining Costs that range from $600 to $650 per ounce sold.

Cautionary Statement for Public Release

Certain information contained in this public 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 Corporation 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" o r "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 the 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 Information Form prepared and filed with

securities regulators which is available on SEDAR at www.sedar.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 Company's control. Although the Company believes

that any forward-looking statements and information contained in this press release is based on reasonable

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assumptions, readers cannot be assured that actual outcomes or results will be consiste nt with such

statements. 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, whe ther 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.

NOT FOR DISSEMINATION OR DISTRIBUTION IN THE UNITED STATES AND NOT FOR DISTRIBUTION

TO US NEWSWIRE SERVICES.