ST BARBARA LIMITED — M&A Activity 2020

Sep 6, 2020

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----- Start of picture text ----- ASX Release / 7 September 2020----- End of picture text -----

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St Barbara completes acquisition of Moose River Resources Inc

St Barbara Ltd (ASX: SBM) (“St Barbara”) is pleased to confirm that it has finalised all outstanding conditions relating to its previously announced acquisition of Moose River Resources Incorporated (“MRRI”) with completion achieved on 4 September 2020 (Halifax time). The acquisition was first announced on 27 July 2020.

St Barbara’s wholly owned subsidiary Atlantic Mining NS (“Atlantic Mining”) acquired the remaining ~93% of issued capital in MRRI that it did not already own, under a court approved Canadian Plan of Arrangement. The net consideration paid (after working capital adjustments) of A$61 million (C$59 million) was funded from St Barbara’s existing cash reserves.

Further details of the acquisition are set out in the corresponding announcement of 27 July 2020.

New ownership structure

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----- Start of picture text ----- Atlantic Mining NS100%Moose River60%Resources Inc40%Touquoy Operations----- End of picture text -----

Investor Relations Mr David Cotterell Manager Investor Relations +61 3 8660 1959 ASX: SBM Media Relations Mr Ben Wilson GRACosway +61 407 966 083 ADR: STBMY Authorised by Mr Rowan Cole Company Secretary +61 3 8660 1900 St Barbara Limited Level 10, 432 St Kilda Road, Melbourne VIC 3004 T +61 3 8660 1900 F +61 3 8660 1999 ACN 009 165 066 Locked Bag 9, Collins Street East, Melbourne VIC 8003 W www.stbarbara.com.au