Lithium Argentina AG

For the period ended Dec 31, 2025. Filed Mar 20, 2026.

About this filing

What a company based outside the US has published at home or sent to its shareholders. It is how many foreign companies share results and news between annual reports.

Dec 31, 2025 · Filed Mar 20, 2026

Use the contents to explore the available documents and sections.

LAR$4.25+4.4%Stored close · as of Nov 6, 2026

See the whole filing, with its images and exhibits

Contents

EX-99.1 · Table 25: Brine Samples Analysis

Table 25: Brine Samples Analysis

SP-2017-02	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	446	911	3333	4107	11443	314719
Maximum	507	1281	3625	4764	15669	322100
Minimum	360	502	3024	3312	4700	303800
Standard Deviation	49	278	188	485	4743	5867

Lithium Argentina AG, Scoping Study Report
PPG Salars, Argentina	114

SP-2017-05	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	245	1287	2202	2932	6233	313344
Maximum	290	1412	2426	3241	11236	324950
Minimum	169	1000	2056	2809	4717	295100
Standard Deviation	34	157	109	157	2082	10627
SP-2017-06	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	283	1519	2350	3029	5235	324642
Maximum	296	1814	2471	3126	5672	328900
Minimum	272	1433	2285	2972	4783	322100
Standard Deviation	9	147	67	53	351	2460
SP-2017-07	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	279.7	1389.2	1950.0	3169.7	4984.3	319100
Maximum	290.6	1535.1	1968.4	3273.7	5474.1	327300
Minimum	250.9	1319.2	1930.3	2936.4	4297.0	310400
Standard Deviation	15	95	15	125	441	5843
SP-2017-08	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	294	932	1836	3196	9309	321944
Maximum	426	1159	3152	4324	17402	325700
Minimum	253	435	785	2483	5984	312250
Standard Deviation	61	251	812	634	4216	4300
SP-2017-09	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	238	1176	1699	2322	5863	318119
Maximum	268	1407	1898	2577	6775	326450
Minimum	218	1049	1482	2077	4750	311500
Standard Deviation	17	110	142	201	767	5663
SP-2017-10	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	457.77	1814.73	2633.21	4243.56	7110.56	308866.67
Maximum	576.10	2540.86	3427.25	5271.32	12051.24	312100.00
Minimum	370.82	1069.11	2095.52	3500.95	2724.70	307200.00
Standard Deviation	106	736	702	919	4688	2801
SP-2017-11	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	467	2478	2967	4127	3586	305633
Maximum	557	3106	3398	5097	6211	309300
Minimum	402	1595	2676	3496	1881	302200
Standard Deviation	80	787	381	853	2307	3556
SP-2017-12	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	409	2801	2564	3505	3054	325175
Maximum	450	3048	2728	3726	5211	329700
Minimum	378	2326	2493	3358	2021	320750
Standard Deviation	26	313	91	152	1361	3263

Lithium Argentina AG, Scoping Study Report
PPG Salars, Argentina	115

SP-2017-13	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	452	2465	2506	3700	4357	315783
Maximum	508	2730	2611	4322	5829	323450
Minimum	430	2332	2412	3517	2314	311500
Standard Deviation	28	140	69	309	1550	5034
SP-2017-14	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	395	2528	2107	3161	2456	320825
Maximum	444	2951	2333	3565	2823	329700
Minimum	272	1887	1575	2161	2107	313800
Standard Deviation	83	454	357	668	311	6684
SP-2017-15	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	370	2165	2600	2800	3107	300829
Maximum	385	2267	2698	3041	4075	310900
Minimum	361	1816	2517	2666	2803	285600
Standard Deviation	8	161	77	141	444	11371
DDH-400	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	522	1644	2466	4833	6138	328709
Maximum	614	1988	2923	5780	13702	335900
Minimum	467	1085	2282	4404	3169	316700
Standard Deviation	33	342	158	290	2920	4983
PZ-18-02	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	572	1105	3120	4494	9482	314229
Maximum	622	1746	3918	5044	14731	329400
Minimum	386	543	2186	3056	4126	282500
Standard Deviation	44	279	384	383	2889	6892
PZ-2023-26	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	637	1516	3900	5629	11213	325083
Maximum	908	3283	5547	7479	21415	334000
Minimum	426	383	2608	3870	1904	319000
Standard Deviation	193	1261	1181	1405	8501	5265
PZ-2024-03	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	606	558	3707	5431	15595	328579
Maximum	710	1104	4046	6764	19941	334000
Minimum	478	394	2893	4934	11400	323000
Standard Deviation	60	157	258	400	2016	2893
PZ-2024-07	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	483	546	3128	4393	19155	325429
Maximum	620	823	3656	5132	27029	338000
Minimum	299	338	2152	2995	12986	315000
Standard Deviation	106	162	497	681	4111	6630

Lithium Argentina AG, Scoping Study Report
PPG Salars, Argentina	116

PZ-2024-13	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	536	623	3508	4357	15039	315286
Maximum	698	1194	4088	5224	16997	327000
Minimum	266	475	1976	2080	10751	277000
Standard Deviation	145	188	675	983	1900	13842
PZ-2024-22	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	385	832	3000	3202	10257	315000
Maximum	526	1085	3422	5169	21081	332000
Minimum	230	376	2084	2237	7176	267000
Standard Deviation	70	206	411	728	3681	15389
PZ-2024-11	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	340	539	2220	2891	11706	219267
Maximum	698	1194	4088	5224	27029	338000
Minimum	60	157	258	400	1900	2893
Standard Deviation	217	353	1374	1841	7930	146811
PZ-2024-25	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	636	711	4094	4892	14009	325000
Maximum	739	2131	4967	5985	26130	336000
Minimum	336	430	2414	2775	2910	311000
Standard Deviation	129	492	890	872	5477	7841
PzW1-35-5	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	613	1913	2542	6084	3518	332925
Maximum	627	1999	2592	6617	3634	338300
Minimum	575	1853	2458	4929	3305	324800
Standard Deviation	16	44	39	533	112	5124
PzW2-90-50	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	499	642	2194	4867	15039	324700
Maximum	509	1408	2525	5060	27687	333600
Minimum	480	307	1960	4641	5071	312000
Standard Deviation	11	383	178	151	7249	6440
PZ-2023-20	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
One Sample	590	177	2935	5983	41070	356000
PZ_2023_14	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	559	599	3602	4563	14640	309169
Maximum	694	942	4587	5718	18120	327000
Minimum	287	389	2364	2126	10103	246000
Standard Deviation	94	125	484	816	1806	20561
PZ_2023_24	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	545	1136	3015	4926	10524	318609
Maximum	739	2425	4580	6307	21202	339000
Minimum	387	470	2161	3963	2673	304000
Standard Deviation	76	587	654	585	5048	8419

Lithium Argentina AG, Scoping Study Report
PPG Salars, Argentina	117

PZ-2023-04	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	462	1096	2799	4165	14814	330500
Maximum	574	2448	3877	5060	33029	352000
Minimum	365	270	2317	2981	2378	318000
Standard Deviation	71	839	483	776	13087	10309
PZ-2023-12 & 12Bis	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	578	519	3929	4079	15817	318098
Maximum	702	863	4510	5723	19107	333000
Minimum	297	394	2674	2381	8550	268000
Standard Deviation	91	112	425	855	2285	13641
PZ-2023-19	Li mg/L	Ca mg/L	Mg mg/L	K mg/L	SO42- mg/L	TDS (180°)
Average	536	553	3635	4186	14529	326611
Maximum	688	1003	4794	5042	17934	336000
Minimum	343	443	1398	3119	7361	313000
Standard Deviation	115	143	1013	531	3235	5337

Figure 56 shows the box plot of de lithium concentration for all the samples collected since 2017. The minimum lithium grade is 169 mg/L, the maximum of 908 mg/L, the arithmetic average is 518 mg/L, and the Standard Deviation of all the samples is 111 mg/L.

Samples with lower concentrations are mostly from shallow wells.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.