Data as at 18 October 2026 · from Western Australian Government registers and open data

Western Australian mining project · Operating

North Monger - Kal East Gold Project

North Monger - Kal East Gold Project is a Western Australian mining project (operating) in MINEDEX, owned by Black Cat Syndicate Limited 100%; Silver Lake Resources Ltd; Black Cat (Bulong) Pty Ltd, on 24 current tenements held by BLACK CAT (KAL EAST) PTY LTD; SILVER LAKE (INTEGRA) PTY LIMITED. Commodities: Gold, Copper, Silver.

MINEDEX project: J02818
Stage: Operating
Owners (MINEDEX): Black Cat Syndicate Limited 100%; Silver Lake Resources Ltd; Black Cat (Bulong) Pty Ltd
Tenement holders: BLACK CAT (KAL EAST) PTY LTD
SILVER LAKE (INTEGRA) PTY LIMITED
Parent groups: Black Cat Syndicate
Vault Minerals
Commodities: Gold, Copper, Silver
Rehabilitation liability: Its rehabilitation liability is in the MCF Mining Index (subscribers): the Mining Rehabilitation Fund estimate, its trend since 2014, company provisions and closure-plan costs

Resources and reserves

Commodity	Resources	Reserves	Latest estimate
Gold	18 Mt at 1.66 g/t, 984 koz contained	4.65 Mt at 1.47 g/t, 219 koz contained	30 September 2026

Current MINEDEX estimates over all the project's sites; resources may include reserves. MINEDEX (DMPE), CC BY 4.0.

Mine closure plans

Site	Operator	Latest plan approved	Plan (PDF on GeoDocs)	Closure year
North Monger - Kal East Gold Project	BLACK CAT SYNDICATE Limited	30 August 2023	MINE CLOSURE PLAN - North Monger - Kal East Gold Project - J02818	2025
MT MONGER OPERATIONS - SILVERLAKE RESOURCES - MF25 & 26	Silver Lake Resources Limited	18 April 2018	MINE CLOSURE PLAN - MT MONGER OPERATIONS - SILVERLAKE RESOURCES - MF25 & 26

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 25/136 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	31 January 2037	Gold, Copper	84
M 25/350 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	23 May 2033	Gold, Copper, Silver	989
M 25/360 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	5 July 2037	Gold	128
M 26/59 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	21 June 2026	Gold, Copper	5
M 26/148 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	6 August 2029	Gold, Silver, Copper	9
M 26/197 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	13 March 2030	Gold, Copper, Silver	87
M 26/248 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	22 November 2030	Gold, Silver, Copper	346
M 26/249 Mining lease	SILVER LAKE (INTEGRA) PTY LIMITED	Granted	22 November 2030	Gold	321
M 26/278 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	21 May 2031	Gold, Copper	121
M 26/352 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	14 November 2032	Gold, Copper	34
M 26/357 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	11 April 2033	Gold, Silver, Copper	466
M 26/364 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	11 April 2033	Gold, Copper	132
M 26/406 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	17 November 2034	Gold	6
M 26/409 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	3 November 2034	Gold, Copper	39
M 26/417 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	7 March 2035	Gold, Copper	75
M 26/437 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	1 June 2036	Gold, Copper	117
M 26/440 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	12 September 2036	Gold, Copper	110
M 26/642 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	27 May 2028	Gold, Copper	389
M 26/657 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	27 May 2028	Gold, Copper	5
M 26/791 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	27 May 2028	Gold, Copper	5
M 26/802 Mining lease	BLACK CAT (KAL EAST) PTY LTD	Granted	27 May 2028	Gold, Copper	4
L 26/162 Miscellaneous licence	BLACK CAT (KAL EAST) PTY LTD	Granted	30 April 2031	Gold, Copper	7
L 26/262 Miscellaneous licence	BLACK CAT (KAL EAST) PTY LTD	Granted	2 November 2032	Gold, Copper	16
E 25/526 Exploration licence	BLACK CAT (KAL EAST) PTY LTD	Granted	14 December 2027	Gold, Silver	1,636