HILLGROVE RESOURCES LIMITED — Regulatory Filings 2021

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1 December 2021

ADDITIONAL INFORMATION – QUARTERLY ACTIVITIES REPORT

Hillgrove Resources Limited (Hillgrove, the Company) (ASX:HGO) hereby refers to the recent ASX release on 29 October 2021 titled “Activity Report for Quarter Ended 30 September 2021”.

Hillgrove acknowledges that this Quarterly Activity Report was not in compliance with ASX Listing Rule 5.1 as it did not provide a summary of the expenditure incurred for development and exploration activities. As such, the Company advises that the following expenditures were incurred for the quarter ended 30 September 2021:

• Exploration activities = $1.4 million; and

• Development activities = $0.4 million.

This announcement has been authorised for release by the Board of Hillgrove Resources Limited.

For more information contact:

Lachlan Wallace

CEO & Managing Director Tel: +61 8 7070 1698

Joe Sutanto

CCO & Company Secretary Tel: +61 8 7070 1698

IIII HILLGROVE RESOURCES LIMITED 5 – 7 King William Rd, Unley SA 5061, Australia ACN 004 297 116

www.hillgroveresources.com.au T +61 8 7070 1698