Investor Presentaiton

Mount Percy - Little Wonder Mount Percy Long Section, New Drill Results N 9.0m @4.2g/t 13.2m @2.9g/t b 15.4m @ 2.6g/t 28.9m @ 2.0g/t 16.7m @ 2.1g/t 35.7m @1.8g/t 4.0m @ 11.4g/t 10.3m @2.4g/t City of Kalgoorlie Boulder Mt Percy /Section Line Mt Charlotte 7.4m @ 3.9g/t Golden Pike UG Drill Drive Sam Pearce Decline Fimiston Pit Fimiston Processing Plant Legend Drillhole Trace Resource Shell Mineralisation Drilling Intercepts (DHW) > 50 gm > 25-50 gm > 15-25 gm <15 gm Labels >50 gm <50 gm Previous Result NORTHERN STAR RESOURCES LIMITED 2.7m @-21.7g/t [email protected]/t 11.7m @ 3.9g/t 42.4m @ 1:0g/t 25.4m @ 1.6g/t 14.5m @ 1.9g/t 1.5m @ 27.3g/t 5.9m @ 12.4g/t [email protected]/t 34.8m @ 5.0g/t 77.0m @ 2.2g/t 3.1m @ 14.7g/t 20.6m @ 1.3g/t 14.1m @ 3.9g/t 22.6m @ 2.0g/t 29.0m @2.7g/t 49.3m @ 2.0g/t [email protected]/t 46.6m @ 0.7g/t 46.9m @ 0.8g/t 81.2m @ 1.6g/t 182.4m @ 2.3g/t (Incl 129.2m @ 2.8g/t) 39.4m @ 1.0g/t 40.8m @ 2.5g/t | 54,000mN 53,500mN 53,000mN Mt Percy/Little Wonder Long Section S NORTHERN STAR RESOURCES LIMITED 4km north of the Fimiston processing plant 1-200mRL -400mRL 12.2m @ 2.3g/t -600mRL 40.1m @ 1.3g/t- -800mRL -1,000mRL | 52,500mN 200m Multiple mineralisation styles in multiple host rocks Targeting bulk tonnage stockwork mineralisation over large area Initial drilling delivered 100% resource increase, outstanding long-term exploration potential of this northern corridor 11

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