Mr. Chris Doornbos reports

E3 LITHIUM ANNOUNCES PARTIAL OVER-ALLOTMENT EXERCISE AND LISTING OF WARRANTS

The agents (as defined below) have exercised in part their previously disclosed overallotment option, resulting in the issuance of an additional one million E3 Lithium Ltd. common shares at an issue price of $1.07 per additional share and 761,250 warrants at an issue price of 26 cents per additional warrant for additional aggregate gross proceeds of $1,267,925. Each additional warrant entitles the holder thereof to acquire one common share of the company at a price of $1.50 per share until Oct. 14, 2028.

The company has made an application to the TSX Venture Exchange for the listing of the 761,250 additional warrants, as well as the 5,075,000 warrants issued in connection with the company's public offering of 10.15 million units for gross proceeds of $12.18-million, completed on Oct. 14, 2025.

An aggregate of 5,836,250 warrants are expected commence trading on the TSX Venture Exchange on Nov. 5, 2025, under the symbol ETL.WT. The ISIN and Cusip number of the warrants are CA 26925V 13 2 5 and 26925V 13 2, respectively. The warrants are governed by the terms of the warrant indenture dated Oct. 14, 2025, between the company and Odyssey Trust Company as warrant agent. A copy of the warrant indenture is available under the company's profile on SEDAR+.

The offering was led by TD Securities Inc., as co-lead agent and sole bookrunner, and Roth Canada Inc., as co-lead agent, together with a syndicate of agents, including ATB Securities Inc. and Stifel Nicolaus Canada Inc. In consideration for their services under the offering, the agents received a cash commission in the aggregate amount of $756,745.32.

About E3 Lithium Ltd.

E3 Lithium is a development company with a total of 21.2 million tonnes of lithium carbonate equivalent (LCE) measured and indicated (1) resources, as well as 300,000 tonnes of LCE inferred mineral resources (2) in Alberta, and 2.5 million tonnes of LCE inferred mineral resources (3) in Saskatchewan. The Clearwater prefeasibility study outlined a 1.13-million-tonne LCE proven and probable mineral reserve with a pretax NPV (net present value) (8 per cent) of $5.2-billion (U.S.) with a 29.2-per-cent IRR and an after-tax NPV (8 per cent) of $3.7-billion (U.S.) with a 24.6-per-cent IRR (1).

(1) The Clearwater project National Instrument 43-101 prefeasibility study (PFS), effective June 20, 2024, identified 16.2 million tonnes of LCE (measured and indicated), and is available on the E3 Lithium website and on SEDAR+.

(2) The mineral resource NI 43-101 technical report for the Garrington district lithium resource estimate, effective June 25, 2025, identified 5.0 million tonnes of LCE (measured and indicated) and 300,000 tonnes t LCE (inferred), and is available on the E3 Lithium website and on SEDAR+.

(3) The mineral resource NI 43-101 technical report for the Estevan lithium district, effective May 23, 2024, identified 2.5 million t LCE (inferred), and is available on the E3 Lithium website and on SEDAR+.

Unless otherwise indicated, Kevin Carroll, PEng, chief development officer and a qualified person under NI 43-101, has reviewed and is responsible for the technical information contained in this news release.

We seek Safe Harbor.