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

Western Australian mining project · Operating

Lake Way Potash / Sev.en

Lake Way Potash / Sev.en is a Western Australian mining project (operating) in MINEDEX, owned by Sev.En Global Investments Pty Ltd 100%; Wiluna Mining Corporation Limited; Kimba Resources Pty Ltd, on 30 current tenements held by KIMBA RESOURCES PTY LTD; SO4 PTY LTD. Commodities: Gold, Silver, K, Sulphate of potash, Uranium.

MINEDEX project: J05331
Stage: Operating
Owners (MINEDEX): Sev.En Global Investments Pty Ltd 100%; Wiluna Mining Corporation Limited; Kimba Resources Pty Ltd
Tenement holders: KIMBA RESOURCES PTY LTD
SO4 PTY LTD
Parent groups: Sev.en Global Investments
Wiluna Mining Corporation
Commodities: Gold, Silver, K, Sulphate of potash, Uranium
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
Potash - Potassium sulphate (SOP, K2SO4)	9.85 Mt at 100.0%, 9.8 Mt contained	—	10 March 2022
Potassium	4.17 Mt at 100.0%, 4.2 Mt contained	2.40 Mt at 100.0%, 2.4 Mt contained	10 March 2022

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
Lake Way Potash Project, Application, No 3	SALT LAKE POTASH Limited	30 January 2020	Lake Way Potash Project, Mining Proposal Application, Revision No 3
Galaxy Mi ID 60778 Notification of minor	WILUNA MINING CORPORATION Limited	13 June 2017	Galaxy Mi ID 60778 Notification of minor amendment

EPA Ministerial Statements

MS 1165 Lake Way Sulphate of Potash Project

Tenements

Tenement	Holder	Status	Expires	Commodities	Hectares
M 53/41 Mining lease	KIMBA RESOURCES PTY LTD	Granted	18 November 2028	Gold, Silver, K, Sulphate of potash	875
M 53/52 Mining lease	KIMBA RESOURCES PTY LTD	Granted	5 July 2029	Gold, Silver, K, Sulphate of potash	952
M 53/121 Mining lease	SO4 PTY LTD	Granted	2 March 2031	K, Sulphate of potash	656
M 53/123 Mining lease	SO4 PTY LTD	Granted	2 March 2031	K, Sulphate of potash	929
M 53/147 Mining lease	SO4 PTY LTD	Granted	4 October 2031	K, Sulphate of potash	648
M 53/253 Mining lease	SO4 PTY LTD	Granted	13 October 2034	K, Sulphate of potash	967
M 53/796 Mining lease	SO4 PTY LTD	Granted	20 November 2043	K, Sulphate of potash	953
M 53/797 Mining lease	SO4 PTY LTD	Granted	20 November 2043	K, Sulphate of potash, Gold, Silver	948
M 53/798 Mining lease	SO4 PTY LTD	Granted	20 November 2043	K, Sulphate of potash, Gold, Silver	568
M 53/910 Mining lease	SO4 PTY LTD	Granted	22 May 2044	K, Sulphate of potash	211
M 53/1102 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	9,366
M 53/1103 Mining lease	SO4 PTY LTD	Granted	20 May 2042	K, Sulphate of potash	716
M 53/1104 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	232
M 53/1105 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	150
M 53/1106 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	124
M 53/1107 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	395
M 53/1109 Mining lease	SO4 PTY LTD	Granted	14 July 2042	K, Sulphate of potash	9,767
G 53/25 General purpose lease	SO4 PTY LTD	Granted	27 August 2041	K, Sulphate of potash	54
L 53/51 Miscellaneous licence	SO4 PTY LTD	Granted	12 January 2028	K, Sulphate of potash	57
L 53/212 Miscellaneous licence	SO4 PTY LTD	Granted	31 March 2041	K, Sulphate of potash	305
L 53/214 Miscellaneous licence	SO4 PTY LTD	Granted	28 September 2041	K, Sulphate of potash	82
L 53/215 Miscellaneous licence	SO4 PTY LTD	Granted	28 September 2041	K, Sulphate of potash	135
L 53/216 Miscellaneous licence	SO4 PTY LTD	Granted	29 September 2041	K, Sulphate of potash	123
L 53/217 Miscellaneous licence	SO4 PTY LTD	Granted	30 September 2041	K, Sulphate of potash	28
L 53/218 Miscellaneous licence	SO4 PTY LTD	Granted	2 April 2041	K, Sulphate of potash	54
L 53/219 Miscellaneous licence	SO4 PTY LTD	Granted	30 September 2041	K, Sulphate of potash	13
L 53/226 Miscellaneous licence	SO4 PTY LTD	Granted	5 January 2042	K, Sulphate of potash	99
E 53/1878 Exploration licence	SO4 PTY LTD	Granted	11 October 2026	K, Sulphate of potash, Uranium	7,440
E 53/1897 Exploration licence	SO4 PTY LTD	Granted	19 February 2029	K, Sulphate of potash	2,373
E 53/2057 Exploration licence	SO4 PTY LTD	Granted	18 December 2029	K, Sulphate of potash	4,815