Ann: OceanaGold Q3 2017 Results Presentation, page-2

Q3 2017 Summary
HIGHER GOLD PRODUCTION 9% quarter-on-quarter increase in production due to Haile & Waihi

DIVIDEND DECLARED Semi-annual dividend of $0.01/sh payable in December HAILE BACK ON-TRACK Rebound in operations following stronger August & September performance

DEBT REPAYMENT Reduced debt by $13.7 million, including $12 million off Revolving Credit Facility

REVENUE AND PROFIT TIMING Lower due to quarter end sales timing and continued capitalisation of Haile

ADDITIONAL HEDGING Zero-cost collars implemented at Macraes (NZ$1,750 to NZ$1,938) Copper price locked in at $3.19/lb between January and December 2018

SOLID EXPLORATION RESULTS FROM
MARTHA DRILLING (WAIHI) 18.1m @ 7.9 g/t and 11.1m @ 8.1 g/t, both true widths