Investor Presentaiton

Transaction rationale 1 Logical combination of highly complementary assets¹ For personal use only NORTHERN STAR Saracen Logical, accretive M&A - A unique and significant opportunity to combine complementary assets and management teams Transaction creates a Top-10 global gold miner, with three large-scale Tier-1 production centres Secures an unrivalled position in the long life, world-class geological district of Kalgoorlie: • . 1.1 Mozpa production centre through the logical combination of KCGM, Northern Star's Kalgoorlie Operations and Saracen's Carosue Dam Consolidates ownership of KCGM and respective Kalgoorlie district operations into one company for the first time in its history Consolidates North-Eastern Goldfields assets, creating a 600kozpa production centre with the addition of Saracen's Thunderbox to Northern Star's Yandal Operations (Jundee and Bronzewing) leveraging combined infrastructure and ore sources Establishes 300kozpa² North American production centre in a high grade, relatively new gold district in Alaska Common shareholdings of >50% consolidated into one company 1. Refer to page 3 of this presentation in relation to production targets for Northern Star and Saracen. 2. Targeting 300kozpa by FY23 PAGE 8

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