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

Tenement holder · Western Australia

SO4 PTY LTD

SO4 PTY LTD holds 47 current Western Australian mining tenements (16 mining leases, 2 general purpose leases, 19 miscellaneous licences, 10 exploration licences) covering 55,717 hectares; part of the Sev.en Global Investments group.

47tenements

55,717hectares

3projects

1EPA statement

2closure plans

Open SO4 PTY LTD in the MCF Mining Index All holders

Parent group: Sev.en Global Investments

Projects (MINEDEX)

Project	Stage	Owners (MINEDEX)	Its tenements
Lake Way Potash / Sev.en	Operating	Sev.En Global Investments Pty Ltd 100%; Wiluna Mining Corporation Limited; Kimba Resources Pty Ltd	28
Matilda	Operating	Wiluna Mining Corporation Limited 100%; Kimba Resources Pty Ltd; Wiluna Operations Pty Ltd; Bml Ventures Pty Ltd; a private holder	6
Lake Way South	Not Applicable	Salt Lake Potash Limited 100%; Piper Preston Pty Ltd	1

Rehabilitation liability

Its rehabilitation liability, per tenement and in total, is in the MCF Mining Index (subscribers): the Mining Rehabilitation Fund estimate, its trend since 2014, company provisions and closure-plan costs.

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 over its ground

Statement	Proposal	Date	Status
MS 1165	Lake Way Sulphate of Potash Project	28 April 2021	in force

Tenements

Tenement	Holder	Status	Expires	Commodities	Project	Hectares
M 53/121 Mining lease	SO4 PTY LTD	Granted	2 March 2031	K, Sulphate of potash	Lake Way Potash / Sev.en	656
M 53/122 Mining lease	SO4 PTY LTD	Granted	2 March 2031	Gold	Matilda	911
M 53/123 Mining lease	SO4 PTY LTD	Granted	2 March 2031	K, Sulphate of potash	Lake Way Potash / Sev.en	929
M 53/147 Mining lease	SO4 PTY LTD	Granted	4 October 2031	K, Sulphate of potash	Lake Way Potash / Sev.en	648
M 53/253 Mining lease	SO4 PTY LTD	Granted	13 October 2034	K, Sulphate of potash	Lake Way Potash / Sev.en	967
M 53/796 Mining lease	SO4 PTY LTD	Granted	20 November 2043	K, Sulphate of potash	Lake Way Potash / Sev.en	953
M 53/797 Mining lease	SO4 PTY LTD	Granted	20 November 2043	K, Sulphate of potash, Gold, Silver	Matilda	948
M 53/798 Mining lease	SO4 PTY LTD	Granted	20 November 2043	K, Sulphate of potash, Gold, Silver	Matilda	568
M 53/910 Mining lease	SO4 PTY LTD	Granted	22 May 2044	K, Sulphate of potash	Lake Way Potash / Sev.en	211
M 53/1102 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	Lake Way Potash / Sev.en	9,366
M 53/1103 Mining lease	SO4 PTY LTD	Granted	20 May 2042	K, Sulphate of potash	Lake Way Potash / Sev.en	716
M 53/1104 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	Lake Way Potash / Sev.en	232
M 53/1105 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	Lake Way Potash / Sev.en	150
M 53/1106 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	Lake Way Potash / Sev.en	124
M 53/1107 Mining lease	SO4 PTY LTD	Granted	9 May 2042	K, Sulphate of potash	Lake Way Potash / Sev.en	395
M 53/1109 Mining lease	SO4 PTY LTD	Granted	14 July 2042	K, Sulphate of potash	Lake Way Potash / Sev.en	9,767
G 53/24 General purpose lease	SO4 PTY LTD	Granted	6 February 2041			42
G 53/25 General purpose lease	SO4 PTY LTD	Granted	27 August 2041	K, Sulphate of potash	Lake Way Potash / Sev.en	54
L 53/21 Miscellaneous licence	SO4 PTY LTD	Granted	24 June 2027	Gold, Silver	Matilda
L 53/22 Miscellaneous licence	SO4 PTY LTD	Granted	24 June 2027	Gold, Silver	Matilda
L 53/23 Miscellaneous licence	SO4 PTY LTD	Granted	24 June 2027	Gold, Silver	Matilda	2
L 53/51 Miscellaneous licence	SO4 PTY LTD	Granted	12 January 2028	K, Sulphate of potash	Lake Way Potash / Sev.en	57
L 53/207 Miscellaneous licence	SO4 PTY LTD	Granted	31 August 2041			274
L 53/211 Miscellaneous licence	SO4 PTY LTD	Granted	31 March 2041			94
L 53/212 Miscellaneous licence	SO4 PTY LTD	Granted	31 March 2041	K, Sulphate of potash	Lake Way Potash / Sev.en	305
L 53/214 Miscellaneous licence	SO4 PTY LTD	Granted	28 September 2041	K, Sulphate of potash	Lake Way Potash / Sev.en	82
L 53/215 Miscellaneous licence	SO4 PTY LTD	Granted	28 September 2041	K, Sulphate of potash	Lake Way Potash / Sev.en	135
L 53/216 Miscellaneous licence	SO4 PTY LTD	Granted	29 September 2041	K, Sulphate of potash	Lake Way Potash / Sev.en	123
L 53/217 Miscellaneous licence	SO4 PTY LTD	Granted	30 September 2041	K, Sulphate of potash	Lake Way Potash / Sev.en	28
L 53/218 Miscellaneous licence	SO4 PTY LTD	Granted	2 April 2041	K, Sulphate of potash	Lake Way Potash / Sev.en	54
L 53/219 Miscellaneous licence	SO4 PTY LTD	Granted	30 September 2041	K, Sulphate of potash	Lake Way Potash / Sev.en	13
L 53/225 Miscellaneous licence	SO4 PTY LTD	Granted	5 January 2042			1
L 53/226 Miscellaneous licence	SO4 PTY LTD	Granted	5 January 2042	K, Sulphate of potash	Lake Way Potash / Sev.en	99
L 53/228 Miscellaneous licence	SO4 PTY LTD	Granted	15 November 2041			10
L 53/229 Miscellaneous licence	SO4 PTY LTD	Granted	3 May 2042			287
L 53/238 Miscellaneous licence	SO4 PTY LTD	Granted	23 September 2042			18
L 53/318 Miscellaneous licence	SO4 PTY LTD	Granted	8 June 2046			3,047
E 53/1862 Exploration licence	SO4 PTY LTD	Granted	26 April 2028			1
E 53/1863 Exploration licence	SO4 PTY LTD	Granted	14 July 2026			881
E 53/1878 Exploration licence	SO4 PTY LTD	Granted	11 October 2026	K, Sulphate of potash, Uranium	Lake Way Potash / Sev.en	7,440
E 53/1897 Exploration licence	SO4 PTY LTD	Granted	19 February 2029	K, Sulphate of potash	Lake Way Potash / Sev.en	2,373
E 53/2057 Exploration licence	SO4 PTY LTD	Granted	18 December 2029	K, Sulphate of potash	Lake Way Potash / Sev.en	4,815
E 53/2059 Exploration licence	SO4 PTY LTD	Granted	3 December 2029			305
E 53/2060 Exploration licence	SO4 PTY LTD	Granted	3 December 2029			609
E 53/2352 Exploration licence	SO4 PTY LTD	Application				4,278
E 53/2372 Exploration licence	SO4 PTY LTD	Application				2,138
E 53/2373 Exploration licence	SO4 PTY LTD	Application				610