Oceanagold Provides Notice of Second Quarter 2017 Results Release Date and Conference Call / Webcast

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MEDIA RELEASE

11 July 2017

OCEANAGOLD PROVIDES NOTICE OF SECOND QUARTER 2017 RESULTS

RELEASE DATE AND CONFERENCE CALL / WEBCAST

(MELBOURNE) OceanaGold Corporation ( TSX/ASX: OGC) (the “Company”) will release its financial and

operational results for the second quarter ending 30 June 2017 before the TSX market open on Thursday 27

July 2017 (Toronto, Eastern Daylight Time). The results will be posted on the Company’s website at

www.oceanagold.com.

The Company will host a conference call / webcast to discuss the results at 7:30 am on Friday 28 July 2017

(Melbourne, Australia n Eastern Standard Time) / 5:30 pm on Thursday 27 July 2017 (Toronto, Eastern

Daylight Time).

Webcast Participants

To register, please copy and paste the link below into your browser:

http://event.on24.com/r.htm?e=1462822&s=1&k=3BC20600AC3044BA5401F93244445492

Teleconference Participants (required for those who wish to ask questions)

Local (toll free) dial in numbers are:

Australia: 1 800 076 068

New Zealand: 0 800 453 421

Canada & North America: 1 888 390 0605

All other countries (toll): + 1 416 764 8609

Playback of Webcast

If you are unable to attend the call, a recording will be available for viewing on the Company’s website.

- ENDS -

For further information please contact:

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Investor Relations

Sam Pazuki

Tel: +1 416 915 3123

Jeffrey Sansom

Tel: +61 3 9656 5300

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

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. OceanaGold also has a

significant pipeline of organic growth and exploration opportunities in the Americas and Asia-Pacific regions.

OceanaGold has operated sustainab ly over the past 27 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 socia l programs that are

designed to build capacity and not dependency.

In 2017, the Company expects to produce 550,000 to 600,000 ounces of gold and 18,000 to 19,000 tonnes

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

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