OceanaGold is a significant multinational gold producer, with a

portfolio of operating, development and exploration assets. The

Companys assets consist of two open pit and one underground

mine in the South Island of New Zealand and an open pit mine in

northern Philippines.

Our Vision

at a glance

Solid production growth with declining cash cost profile

High quality, world-class Didipio gold-copper mine in the Philippines which began commercial production on 1 April 2013

The Didipio Mine is estimated to be one of the lower cost gold mines (net of by-product credits) globally

Strong board & management team with significant experience & proven track record in delivering consistent positive results

A proven track record in operating sustainably and being a valued member of the communities we operate in

1. Excluding gain / (loss) on undesignated hedges and impairment charge 2. Net of by-product credits

Year Ended 31 December 2013 2012 2011

Gold Sales US$m 553.6 385.4 395.6

EBITDA1 US$m 262.4 144.6 163.9

Earnings before tax1 US$m 106.1 31.7 65.2

Underlying profit after tax before impairment

US$m 91.3 20.3 44.2

Net earnings/(loss) US$m (47.9) 20.3 44.2

EPS (diluted) US$ (0.16) 0.08 0.17

Gold Produced oz 325,732 232,909 252,499

Gold Price (avg recd) US$/oz 1,382 1,675 1,587

Cash Operating Cost2 US$/oz 426 940 875

Cash Operating Margin US$/oz 956 735 712

OceanaGold Today

Operating: Financial Results

Production Profile

Investment Proposition: Experienced low-cost gold producer with significant free cash flow generation

Picture: Didipio Mine, Philippines, June 2013

www.oceanagold.com

Our Values: Respect I Integrity I Teamwork I Innovation I Action I Accountability

Total Company Production Gold: 275,000 - 305,000 oz Copper: 21,000 - 24,000 t Cash cost: $400 - $450 /oz * All-In Sustaining Cash cost: $750 - $850 /oz* *net of by-product credits

2014 Guidance

* The Didipio Mine in the Philippines commenced commercial production 1 April 2013, cash costs assume copper by-product credits of US$3.10 to US$3.40 / lb Cu.

We will be a mid tier, multinational gold producer delivering superior shareholder returns in a safe and sustainable manner by developing and operating high quality assets. We will be the partner, employer and mining company of choice. We are a values based organisation and will achieve this through:

World class skills in operational efficiency, mine design optimisation and converting opportunities

Being the partner and employer of choice with a clear focus on safety, environment, employees, communities and government

Maintaining a strong balance sheet with low debt, strategic capital allocation and a strong investor base

Historical closing share price relative performance Jan 2010 to Aug 2014

at a glance

Senior Management Chairman: James (Jim) Askew MD & CEO: Michael (Mick) Wilkes CFO: Mark Chamberlain Share Information Listings: OGC on Toronto (TSX), Australian (ASX) and New Zealand (NZX) Indices: ASX 300, TSX Composite, TSX Global Gold, TSX Global Mining, GDXJ, GDX, NZX 50 Market Capitalisation ~C$900m Shares Outstanding ~300m Free Float 100% Investor Relations (Canada & Australia) t: +1 416 915 3123 or +61 3 9656 5300 info@oceanagold.com

Other Information

As at 31/12/13 Gold (Moz)

Copper (kt)

Silver (Moz)

Total Reserves 3.14 210 -

- New Zealand 1.54 - -

- Didipio 1.59 210 -

Total Resources 12.04 290 11.38

Meas. & Indic. 8.34 260 9.48

- New Zealand 4.98 - -

- Didipio 2.06 260 -

- El Dorado 1.30 - 9.48

Inferred 3.70 30 1.9

Liquidity Share Price

New Zealand Operations Didipio mine

Mineral Reserves Production Profile

Located in northern Luzon, Philippines

High grade goldcopper porphyry

16 year life of mine

Expected to be one of the lower operating cost gold mines in the world

Commissioning started Q4 2012, first concentrate trucked to port Jan 2013

Commercial production commenced 1 April 2013

Nominal Life of Mine production: 100,000 ounces gold 14,000 tonnes copper

Estimated cash costs in 2014 of: Negative ($725) - negative ($650)/oz

(net of copper by-product credits)

Macraes Frasers Reefton

Mine Type Open Pit Under-ground

Open Pit

Current Mine Life

~end 2017

~end 2015

~end 2015

Au Prod (koz/yr)

90 - 100

40 - 55

50 - 70

Macraes: operating >24 years

Frasers: ongoing exploration program, deposit still open down dip

Reefton: significant exploration upside, >10Moz historically mined from district

Social integrity, environmental diversity and equitable development; real lasting value to communities beyond life cycle of project.

Sponsored medical missions (health, dental, optical) to Didipio communities

320 ha reforestation, >250,000 seedlings and agricultural program in Didipio region, to date

Scholarships and educational support in Philippines

Macraes Trout Hatchery est. 2004

Macraes Heritage Art Park

15ha rehabilitation planting at Reefton

World class mine site rehabilitation deployed in New Zealand

Sustainability

www.oceanagold.com

Operating Margin

Picture: Macraes process plant February 2013 Our Values: Respect I Integrity I Teamwork I Innovation I Action I Accountability

As at 30 June 2014

US$m

Cash 46

Interest Bearing Liabilities

- Capital leases 38

- Drawn banking facilities 118

Total interest bearing loans 156

Net Debt 110

- Undrawn facilities available 82

* Net of by-product credits