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Frontier Lithium Announces C$15 Million Bought Deal Prospectus Offering

Financings

FRONTIER LITHIUM ANNOUNCES C$15 MILLION BOUGHT DEAL PROSPECTUS OFFERING

Not for distribution to U.S. news wire services or dissemination in the United States.

Greater Sudbury, Ontario (April 8, 2026) – Frontier Lithium Inc. (TSXV: FL) (OTC: LITOF) (“Frontier” or the

“Company”) has announced today that it has entered into an agreement with a syndicate of underwriters

led by BMO Capital Markets (collectively the “Underwriters”), under which the Underwriters have agreed

to buy on a bought deal basis 20,000,000 units (the “Units”), at a price of C$0.75 per Unit for gross proceeds

of approximately C$15 million (the “Offering”). The offering is expected to close on or about April 22, 2026

and is subject to Frontier receiving all necessary regulatory approvals , including approvals from the TSX

Venture Exchange.

Each Unit will be comprised of one common share of the Company (a " Common Share") and half of one

Common Share purchase warrant (each whole warrant, a " Warrant"). Each Warrant shall be exercisable

to acquire one Common Share (a "Warrant Share") at a price of C$1.00 per Warrant Share for a period of

two years from the closing of the Offering.

The Company has granted the Underwriters an option, exercisable at the offering price for a period of 30

days following the closing of the Offering, to purchase up to an additional 15% of the Offering to cover over-

allotments, if any. Securities sold on ex ercise of the over-allotment option may be comprised of additional

Units, Common Shares, Warrants or any combination thereof.

The net proceeds of the Offering will be used for advancing the PAK Lithium Project. These funds will

support the completion of an updated mine and mill technical report, facilitate activities related to

government-funded or cost-shared infrastructure initiatives, permitting, advancement of Lithium Conversion

Study and cover general administrative as well as corporate expenses.

The Units will be offered by way of a short form prospectus in all of the provinces of Canada (except

Quebec) and may also be offered in the United States or to, or for the account or benefit of, U.S. persons,

by way of private placement pursuant to the exemptions from the registration requirements provided for

under the United States Securities Act of 1933, as amended (the “U.S. Securities Act”); and in jurisdictions

outside of Canada and the United States on a private placement or equivalent basis, in each case in

accordance with all applicable laws, provided that no prospectus, registration statement or other similar

document is required to be filed in such jurisdiction.

The securities offered have not been registered under the U.S. Securities Act , as amended, and may not

be offered or sold in the United States absent registration or an applicable exemption from the registration

requirements. This press release shall not constitute an offer to sell or the solicitation of an offer to buy nor

shall there be any sale of the securities in any jurisdiction in which such offer, solicitation or sale would be

unlawful.

ON BEHALF OF THE BOARD OF DIRECTORS

Trevor Walker, President & CEO

About Frontier Lithium

Frontier Lithium Inc. is a pre- production mining company with an objective to become a strategic and

integrated supplier of premium spodumene concentrates as well as battery -grade lithium salts to the

growing electric vehicle, and energy storage markets in North America. The Company's PAK Lithium Project

maintains the largest land position and resource in a premium lithium mineral district located in Ontario's

Great Lakes region.

About the PAK Lithium Project

The PAK Lithium Project is a fully integrated critical minerals initiative in Ontario, developing a high- grade,

large scale lithium resource. Operated as a joint venture between Frontier (92.5%) and Mitsubishi

Corporation (7.5%), the project is advancing in parallel with a mine and mill, north of Red Lake, Ontario and

a downstream lithium conversion facility in Thunder Bay, Ontario, which are both key to supporting a secure

domestic lithium supply for the clean energy transition. A 2025 Mine and Mill Feasib ility Study (FS),

prepared by DRA Global Limited and entitled National Instrument 43-101 Technical Report FS PAK Lithium

Project, Mine and Mill, outlines a 31- year Project life with an after -tax net present value of $932 million at

an 8% discount rate and an after-tax internal rate of return of 17.9%.These results have been disclosed in

the Company's press release dated May 28, 2025, and the accompanying technical report was filed on

SEDAR+ (www.sedarplus.ca) on July 9, 2025.

Company Contact Information

Bora Ugurgel

Senior Manager, Investor Relations

2614 Belisle Drive, Val Caron

Greater Sudbury, Ontario

P3N 1B3 CANADA

T. +001 705.897.7622

F. +001 705.897.7618

Forward-Looking Statements

This release includes certain statements that may be deemed "forward-looking statements". All

statements in this release, other than statements of historical facts are forward-looking

statements. Examples of certain forward looking statements relate to closing of the Offering, use of

proceeds of the Offering and the receipt of all necessary approvals. Although the Company believes the

expectations expressed in such forward-looking statements are based on reasonable assumptions, such

statements are not guarantees of future performance and actual results or developments may differ

materially from those in the forward-looking statements. Factors that could cause actual results to differ

materially from those in forward looking statements include market prices, exploitation and exploration

successes, continued availability of capital and financing, and general economic, market or business

conditions. Investors are cautioned that any such statements are not guarantees of future performance

and those actual results or developments may differ materially from those projected in the forward-looking

statements. For more information on the Company, Investors should review the Company's registered

filings available at www.sedarplus.ca.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in

the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of

this release.