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E3 Lithium Provides Activity Update on Phase Two of its Demonstration Facility and Details Employee Incentives for 2026 Executing Phase 2 of the Demonstration Facility will advance critical design and engineering for the Clearwater

Metallurgy & Processing

Suite 1520 – 300 5th Ave SW

Calgary, AB T2P 3C4

Tel: +1 (587) 324-2775

Email: [email protected]

Website: e3lithium.ca

E3 Lithium Provides Activity Update on Phase Two of its Demonstration

Facility and Details Employee Incentives for 2026

Executing Phase 2 of the Demonstration Facility will advance critical design and engineering for the Clearwater

Project’s commercial facility while enabling continued production of battery-grade lithium carbonate

CALGARY, ALBERTA, March 9, 2026 – E3 LITHIUM LTD. (TSXV: ETL) (FSE: OW3) (OTCQX: EEMMF), “E3”, “E3

Lithium” or the “Company,” a leader in Canadian lithium development, provides an update on its Demonstration

Facility Progress and outlines employee equity incentives for 2026.

Demonstration Facility Progress Update

In late 2025, the Company successfully completed the drilling of two wells at its Demonstration Facility located

east of Olds, Alberta. The well pair consists of one well designed to produce brine and the other designed for

injection. The wells were drilled to collect additional reservoir and brine chemistry data and to complete a

reservoir characterization test. These two wells were drilled next to each other on surface, targeting the Leduc

reservoir roughly 2,500 meters below the surface, with the wells approximately 200 meters apart at depth. Flow

results will provide additional data for reservoir development planning, including the placement of commercial

wells and expected production profile for the commercial development plan.

Earlier this year, E3 ordered the required surface equipment for Phase 2 of the Demonstration Facility, prepared

the pad site, and mobilized the completions equipment. A service rig is currently on site finishing the

completion of the wells and installing a downhole brine pump. Surface equipment will be installed to enable

the reservoir testing as well as data collection and analysis. Samples will be collected for the duration of the

operation to analyze the brine and entrained gasses , which will provide essential data to refine the inlet

equipment design of the commercial facility. E3 expects to be operating the facility in April 2026.

The data collected through Phase 2 of the Demonstration Facility will enable the completion of the Company's

Front End Engineering and Design (FEED) and Feasibility Study for the Clearwater Project.

Following the successful execution of the Global Partnerships Initiative (GPI) contribution agreement for up to

C$36.5 million, announced on March 2, 2026 ( E3 Lithium - News Releases), (the "Agreement"), E3 will begin

ordering the required equipment for the third and final phase of the Demonstration Facility. This includes re -

deploying the 30 column Direct Lithium Extraction (DLE) skids and producing battery-grade lithium carbonate

at the new site. The Company will also procure and construct a larger, commercial scale single column (1:1 on

a per column basis) DLE system for commercial testing and validation. E3 expects to execute Phase 3 in stages

through the second and third quarter of 2026, starting with the 30 -column unit, with the goal of being fully

operational within six months of executing the Agreement. The detailed plan for the work contemplated under

the Agreement will be published once executed.

Suite 1520 – 300 5th Ave SW

Calgary, AB T2P 3C4

Tel: +1 (587) 324-2775

Email: [email protected]

Website: e3lithium.ca

Successful Achievement of 2025 Goals and 2026 Objectives

E3 had a successful 2025 achieving major project development and organizational milestones. In recognition

of its 2025 accomplishments, E3’s Board of Directors has approved the grant of 738,000 restricted share units

(“RSUs”), under its Omnibus Equity Incentive plan (the “Plan”), as a form of noncash compensation, to officers

and employees, helping maintain the Company’s financial strength by supporting the staff without using the

company's cash reserves.

In support of its strategic objectives, the Company’s Board of Directors has also approved the grant of

Performance Share Units (“PSUs”) to officers and employees. The PSUs may be settled through the issuance

of up to 613,500 common shares upon vesting. No PSUs will vest earlier than one year from the date of grant.

The PSUs will vest upon the achievement of the following performance goals during a 24-month performance

period:

1. Successful Completion of Phase 2 of the Demonstration Facility

2. Completion of Clearwater Project to "Shovel Ready"

3. Continued financing, including grant funding, of the Company

ON BEHALF OF THE BOARD OF DIRECTORS

Chris Doornbos, President, CEO & Chair

E3 Lithium Ltd.

E3 Lithium - Investor Relations

[email protected]

587-324-2775

E3 Lithium - Media Inquiries

[email protected]

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 Indicated1 as well as 0.3 Mt LCE Inferred mineral resources2 in Alberta. The Clearwater Pre -

Feasibility Study outlined a 1.13 Mt LCE proven and probable mineral reserve with a pre -tax NPV(8%) of USD

5.2 Billion with a 29.2% IRR and an after-tax NPV(8%) of USD 3.7 Billion with a 24.6% IRR1.

1: The Clearwater Project NI 43 -101 Pre-Feasibility Study, effective June 20, 2024, identified 16.2 Mt LCE

(measured and indicated) and is available on the E3 Lithium’s website (www.e3lithium.ca/technical-reports/)

and SEDAR+ (www.sedarplus.ca).

Suite 1520 – 300 5th Ave SW

Calgary, AB T2P 3C4

Tel: +1 (587) 324-2775

Email: [email protected]

Website: e3lithium.ca

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 is

available on the E3 Lithium’s website ( www.e3lithium.ca/technical-reports/) and SEDAR+

(www.sedarplus.ca).

Unless otherwise indicated, Chris Doornbos, P.Geo., 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” and similar words referring to

future events and results. Forward -looking statements are based on the current opinions, expectations,

estimates and assumptions of management in light of its experience and perception of historical trends, but

such statements are not guarantees of future performance. In particular, this news release contains forward-

looking information relating to: the anticipated use, and impacts, of results from the reservoir characterization

test; expected timing for installation of surface equipment and operation of brine production test; plans in

respect of Phase 3 of the Demonstration Facility, including the ordering of equipment therefor and re -

deployment of 30 column DLE skids, and plans to publish a full and detailed plan for the work contemplated

under the Agreement; and plans and objectives of management for the Company’s operations of the

Demonstration Facility. In preparing the forward -looking information in this news release, the Company has

applied several material assumptions, including, but not limited to, that all conditions precedent to provision

of GPI funding under the Agreement will be satisfied in a timely manner and on reasonable terms; results of

the reservoir characterization test will align with management’s expectations; the necessary equipment will be

available on time and on reasonable commercial terms; the exchange rates for the U.S. and Canadian

currencies will be consistent with the Company’s expectations; that the current exploration, development,

environmental and other objectives concerning the Demonstration Facility can be achieved and that its other

corporate activities will proceed as expected; that general business and economic conditions will not change

in a materially adverse manner and that all necessary governmental approvals for the planned activities on the

Demonstration Facility will be obtained in a timely manner and on acceptable terms.

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 reas onable 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; competitive risks and the availability of financing, as described in more

detail in our recent securities filings available under the Company’s profile on SEDAR+ (www.sedarplus.ca).

Suite 1520 – 300 5th Ave SW

Calgary, AB T2P 3C4

Tel: +1 (587) 324-2775

Email: [email protected]

Website: e3lithium.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.