E3 Lithium Outlines an Inaugural Measured and Indicated Mineral Resource Estimate of 5.0 Mt LCE for the Garrington District
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E3 Lithium Outlines an Inaugural Measured and Indicated Mineral
Resource Estimate of 5.0 Mt LCE for the Garrington District
Calgary, June 25, 2025 – E3 LITHIUM LTD. (TSXV: ETL) (FSE: OW3) (OTCQX: EEMMF), “E3 Lithium” or the
“Company,” a leader in Canadian lithium, is pleased to release an updated mineral resource report for its
Garrington District in central Alberta. The NI 43-101 Technical Report for the Garrington District Lithium
Resource Estimate (the “Garrington Report”) outlines a n updated M easured and Indicated mineral resource
estimate of 5.0 million tonnes (“Mt”) of lithium carbonate equivalent (“LCE”).
Highlights:
• The Garrington District includes 273,449 hectares of land
• Measured and Indicated mineral resource estimate of 5.0 Mt LCE
• Inferred mineral resource estimate of 0.3 Mt LCE
• E3 Lithium’s total Measured and Indicated mineral resources in Alberta is now 21.2 Mt LCE
The Garrington District is located in south -central Alberta directly southwest of the city of Edmonton at the
north end, and it extends southwest of Edmonton to the town of Sundre (Figure 1) . Within the Garrington
District, the Company’s brine -hosted mineral rights cover approximately 155,236 hectares, lease d from the
crown, with the remaining area being unleased freehold mineral rights. The lithium concentrations on or near
E3 Lithium’s Land holdings range from 45 mg/L to 61 mg/L, with an average of 54mg/L. The property sits
directly to the west of E3 Lithium’s Bashaw District where the Company is currently developing its Clearwater
Project. Similar to the Bashaw District, the Garrington District lithium brine deposit is hosted in the carbonate
reef complex deposits of the Leduc Formation.
“Alberta’s lithium resources stand out globally as some of the most significant in size, thanks to the scale of
the brine aquifers in the province,” said Chris Doornbos, President and CEO of E3 Lithium. “The resource update
in the Garrington District highlights a separate region containing vast volumes of lithium-enriched brines to the
west of our existing Bashaw District resources. E3 Lithium continues to focus our efforts on the development
of the Clearwater Project and the additional Garrington resources expand our sizable inventory for long-term
value creation.”
The disclosure in this news release of scientific and technical information pertaining to the Garrington District
has been reviewed and approved by Meghan Klein, P.Eng., Head of Reservoir Engineering, Americas of Sproule
ERCE, and Alexey Romanov, PhD., P.Geo., Principal Geoscientist of Sproule ERCE. Both Ms. Klein, and Mr.
Romanov are “Qualified Person’s” as defined under NI 43-101– Standards of Disclosure for Mineral Projects.
The technical report will be available on the Company’s website (www.e3lithium.ca/technical-reports/) and
SEDAR (www.sedar.com) within 45 days of this announcement.
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Figure 1: Outline of E3 Lithium’s Garrington District and Bashaw District Permit Areas
Garrington District Brine Resource Estimate
The Garrington Report follows from the NI 43-101 Technical Report for the North Rocky Property, effective
October 27, 2017, which included a small subsection of the area encompassed in the Garrington Report. The
Garrington mineral resource estimate has been calculated across the Garrington Lithium District and was
developed as outlined below.
First, data compilation and review of existing reports within the Garrington Lithium District were conducted.
Then, a reservoir depositional framework was developed based on core descriptions and lithofacies analysis.
Thirdly, petrophysical modeling on geophysical wireline logs, validated against core analysis where possible,
was performed. Finally, geological models were generated and leveraged for reservoir volume calculations.
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The updated mineral resource estimate for the Garrington District is summarized in the table below. The
mineral resource estimate is categorized as Measured, Indicated, and I nferred d epending on geological
confidence.
Table 1: E3 Lithium’s Garrington District Brine Resource Estimates
Resource Category1 Brine Volume (m3) Weighted Average
Li Grade (mg/L)2 OLIP (t Li)3 OLIP (t LCE) 3
Measured 560,000,000 55 30,000 163,000
Indicated 17,005,000,000 54 905,000 4,817,000
Total Measured &
Indicated 17,565,000 54 935,000 4,980,000
Inferred 1,485,000,000 42 60,000 319,000
1. The Intervals reported follow the following definitions: Measured - evidence is sufficient to confirm geological, and grade or quality continuity between
points of observation; Indicated - evidence is sufficient to assume geological, and grade or quality continuity between points of observation and Inferred
- evidence is sufficient to imply but not verify geological, grade or quality continuity.
2. Based on LCE tonnage.
3. Brine Resource estimates are inclusive of unleased freehold mineral rights.
The mineral resource estimate was completed by a multi- disciplinary team led by E3 Lithium and supervised
by Meghan Klein and Alexey Romanov of Sproule ERCE, acting as Qualified Persons using volumetric analysis
based on geological parameters of reservoir geometry, effective porosity, permeability, and dissolved lithium
concentrations. The mineral resource estimate benefited from a considerable amount of data compiled by the
oil and gas industry and made public by the Government of Alberta. Key data sets used to determine reservoir
brine parameters in the resource area include core plug analyses (porosity and permeability), and wireline logs
geological and petrophysical interpretation (stratigraphic tops, lithology, volume of shale, and porosity).
To calculate the brine volume for each zone within the Leduc Formation , the brine volume was exported from
the geological model, incorporating three district brine saturations . The brine volume is multiplied by the
lithium grade to calculate the Original Lithium in Place (OLIP) in tonnes of elemental lithium and in tonnes of
lithium carbonate equivalent.
Resource categorization reflects the confidence in both the data sets and the interpretations. Measured
resources exist within the conceptual development area and are restricted to volumes exceeding a 6% porosity
cut-off within a single connected geobody volume with lithium grade measurements. Indicated resources exist
across the Garrington District and are restricted to volumes exceeding a 2% porosity cut -off within a single
connected geobody with lithium grade measurements. Inferred resources make up all geobody volumes above
the 2% porosity cut-off.
With the updated Garrington Resource Estimate, E3 Lithium’s total Measured and Indicated lithium resources
in Western Canada are now in excess of 21 Mt LCE with an additional 2.9 Mt of Inferred resources. Included in
this number is approximately 1.13 Mt of Proven and Probable mineral reserves in the Bashaw District that
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provide the basis for the Clearwater Project currently under development and outlined in the Pre -Feasibility
Study published in July 2024.
Table 2: E3 Lithium’s Total Lithium Brine Reserves and Brine Resources
Lithium Carbonate Equivalent (tonnes) Average
Lithium Grade (mg/L) Brine Reserves Brine Resources1
District
(Province)
Proven &
Probable Measured Indicated
Measured
& Indicated Inferred
Measured
& Indicated Inferred
Bashaw (AB) 1,137,850 6,687,200 9,530,900 16,218,100 N/A 75 N/A
Garrington (AB) N/A 163,000 4,817,000 4,980,000 319,000 54 42
Estevan (SK) N/A N/A N/A N/A 2,545,000 N/A 98
Total 1,137,850 6,850,200 14,347,900 21,198,100 2,864,000
1. Brine Resources are reported using the 2014 CIM definition standards, and are inclusive of those Brine Resources converted to Brine Reserves. Brine
Resource estimates are inclusive of unleased freehold mineral rights.
ON BEHALF OF THE BOARD OF DIRECTORS
Chris Doornbos, President & CEO
E3 Lithium Ltd.
E3 Lithium - Investor and Media Relations
Rob Knowles
Investor Relations
587-324-2775
E3 Lithium - Media Inquiries
Kati Dolyniuk
External Relations
587-324-2775
About E3 Lithium
E3 Lithium is a development company with a total of 21.2 million tonnes of lithium carbonate equivalent (LCE)
Measured and Indicated 1 as well as 0.3 Mt LCE Inferred mineral resources2 in Alberta and 2.5 Mt LCE Inferred mineral
resources3 in Saskatchewan. The Clearwater Pre-Feasibility Study outlined a 1.13 Mt LCE proven and probable mineral
reserve with a pre-tax NPV8% of USD 5.2 Billion with a 29.2% IRR and an after-tax NPV8% of USD 3.7 Billion with a 24.6%
IRR1.
1: The Clearwater Project NI 43-101 Pre-Feasibility Study, effective June 20, 2024, is available on the E3 Lithium’s website
(www.e3lithium.ca/technical-reports/) and SEDAR+ (www.sedarplus.ca).
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2: The mineral resource NI 43-101 Technical Report for the Garrington District Lithium Resource Estimate , effective June
25, 2025, identified 5.0 Mt LCE (measured and indicated) and 0.3 Mt LCE (inferred) and will be available on the E3 Lithium’s
website (www.e3lithium.ca/technical-reports/) and SEDAR+ (www.sedarplus.ca) within 45 days of this news release.
3: The mineral resource NI 43-101 Technical Report for the Estevan Lithium District, effective May 23, 2024, identified 2.5
Mt LCE (inferred) and is available on the E3 Lithium’s website (www.e3lithium.ca/technical-reports/) and SEDAR+
(www.sedarplus.ca).
Kevin Carroll, P. Eng., Chief Development Officer and a Qualified Person under National Instrument 43 -101, has reviewed
and approved the technical information contained on this news release.
Forward-Looking and Cautionary Statements
This news release includes certain forward -looking statements as well as management’s objectives, strategies, beliefs
and intentions or forward- looking information within the meaning of applicable securities laws. Forward -looking
statements are frequently identified by such words as “believe”, “may”, “will”, “plan”, “expect”, “anticipate”, “estimate”,
“intend”, “project”, “potential”, “possible”, “could” and similar words referring to future events and results. Forward-looking
statements are based on the cu rrent opinions, expectations, estimates and assumptions of management in light of its
experience, perception of historical trends, and results of the Garrington Report, but such statements are not guarantees
of future performance. In particular, this news release contains forward -looking information relating to: the mineral
resource estimate at the Garrington District; timing of the availability and filing of the Garrington Report; the potential f or
future development and inventory expansion of the Clearwater Project and value creation; and the anticipated benefits of
the foregoing. In preparing the forward-looking information in this news release, the Company has applied several material
assumptions, including, but not limited to, the assumption that the G arrington Report will be delivered on the expected
timeline and will not contain any material variations to the information contained in this news release; that activities
relating to the Garrison District and the Company’s other projects will not be adversely disrupted or impeded by regulatory,
political, community, economic, environmental and/or healthy and safety risks; ; that the current price and demand for
lithium will be sustained or will improve; that general business and economic conditions will no t change in a materially
adverse manner and that all necessary governmental approvals for the planned activities on the Garrington District will
be obtained in a timely manner and on acceptable terms; the continuity of the price of lithium; that the result s of the
mineral resource estimate will be delivered in a timely manner consistent with the Company’s projected timelines; and
that the results will be in line with management’s expectations.
All forward-looking information (including future-orientated financial information) is inherently uncertain and subject to a
variety of assumptions, risks and uncertainties, including the speculative nature of mineral exploration and development,
fluctuating commodity prices, the effectiveness and feasibility of emerging lithium extraction technologies which have
not yet been tested or proven on a commercial scale or on the Company’s brine, risks related to the availability of financing
on commercially reasonable terms and the expected use of proceeds; operations and contractual obligations; changes in
estimated mineral reserves or mineral resources; future prices of lithium and other metals; availability of third party
contractors; availability of equipment ; failure of equipment to operate as anticipated; accidents, effects of weather and
other natural phenomena and other risks associated with the mineral exploration industry; the Company’s lack of operating
revenues; currency fluctuations; risks related to dependence on key personnel; estimates used in financial statements
proving to be incorrect; risks related to the results of the testing program not being in delivered in a timely manner and/or
not being in line with management’s expectations; competitive risks and the availability of financing, as described in more
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detail in our recent securities filings available under the Company’s profile on SEDAR+ at www.sedarplus.ca. Actual events
or results may differ materially from those projected in the forward -looking statements and we caution against placing
undue reliance thereon. We assume no obligation to revise or update these forward-looking statements except as required
by applicable law.