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Frontier Lithium Files Year-End

Financials

FRONTIER LITHIUM FILES YEAR-END MARCH

31, 2025 FINANCIAL RESULTS

GREATER SUDBURY, ON

,

July 29, 2025

/CNW/ - Frontier Lithium Inc. (TSXV: FL) (OTCQX:

LITOF) ("Frontier" or the "Company") is pleased to report its financial and operational results for the

year ended

March 31, 2025

("FY 2025") and to outline recent milestones that have been achieved

by the Company that support its plan to become a critical supplier of battery-grade lithium chemicals

for the nascent North American electric vehicle (EV) market.

FY2025 Highlights and Recent Developments

As at

March 31, 2025

, Frontier held approximately

$17.9 million

in cash, an increase from

$12.6

million

the prior year period. The increase was driven by a strategic financing, including proceeds

from the previously announced Mitsubishi Corporation joint venture transaction. Frontier's financial

position will allow it to execute on the next phase of its project development.

Feasibility Study Confirms Robust Mine & Mill Project

In

May 2025

, Frontier released results of its independent Mine and Mill Feasibility Study ("Feasibility

Study"), demonstrating strong project economics for the standalone development of its PAK and

Spark deposits. The Feasibility Study outlined average annual production of 200,000 tonnes of

spodumene concentrate (SC6) over a 31-year mine life, with an after-tax net present value of

$932

million

at an 8% discount rate and an internal rate of return of 17.9%. C1 operating costs for the

project are estimated at

$602

per tonne of SC6 and these metrics position the project to be among

one of the most competitive globally.

Advancing Environmental and Infrastructure Work

Frontier continued work on environmental baseline studies to support permitting efforts. Through

Canada's

Critical Minerals Infrastructure Fund, the Company secured up to

$6 million

in non-

repayable funding for pre-construction activities on mine access and power infrastructure.

Significant Government Support for Downstream Facility

In

March 2025

, the federal and

Ontario

governments jointly announced conditional funding to support

Frontier's proposed lithium salts conversion facility in

Thunder Bay, Ontario

. The funding will

supplement capital costs for the facility, which is intended to supply North American cathode and

battery makers.

Exploration Success and Ember Pegmatite Discovery

The Company completed over 11,000 metres of drilling in FY 2025, including geomechanical,

hydrogeological, and condemnation drilling in support of project feasibility. A new lithium-bearing

zone, the Ember pegmatite, was identified 1 kilometre from the Spark deposit. Initial drilling at the

Ember Pegmatite has confirmed high-grade mineralization beneath a surface outcrop previously

sampled through channel sampling.

Land Secured for Lithium Chemical Facility

In

February 2025

, Frontier secured a vacant industrial site on Mission Island in

Thunder Bay, Ontario

to host its proposed lithium conversion facility. The purchase was funded by a

$3.35 million

unsecured convertible loan that was completed in

February 2025

.

Outlook

With one of

North America's

highest-grade spodumene resources, a positive feasibility study, a

global strategic partner, and strong government support for downstream infrastructure, Frontier is

well positioned to become a key player in

North America's

critical minerals supply chain. The

Company will focus on advancing project permitting, completing technical studies, and finalizing

Indigenous partnership agreements. Feasibility work on the lithium conversion facility will continue in

parallel, with the goal of converting strong expressions of interest from both the Federal Government

and Provincial Government of

Ontario

into contribution agreements.

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

North

America's

highest-grade known 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

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

Feasibility Study (FS), prepared by DRA 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 were disclosed in a press release dated

May 28, 2025

, and the accompanying technical

report was filed on

July 9, 2025

on SEDAR+ (

www.sedarplus.ca

).

Cautionary Note Regarding Forward-Looking Statements

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

All statements in this release, other than statements of historical fact constitute forward-looking

statements. Forward looking statements contained in this news release may include, but are not

limited to, statements with respect to: capital requirements and private and/or public financing

initiatives and completion of these financings (if any), estimated mineral resources, estimated capital

costs to construct mine facilities, estimated operating costs, the duration of payback periods,

estimated amounts of future production, estimated cash flows, net present value, the Feasibility

Study and statements that address future production, resource and reserve potential, exploration

drilling, exploitation activities and events or developments that the Company expects, including but

not limited to capital and operating costs, timelines, internal rates of return, and project development

milestones.

Forward-looking statements involve inherent risks and uncertainties. Risk factors that could cause

actual results to differ materially from those in forward looking statements include: market prices for

commodities, increases in capital or operating costs, construction risks, availability of infrastructure

including roads, regulatory and permitting risks, exploitation and exploration successes, continued

availability of capital and financing, financing costs, 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, please review the

Company's public 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.

SOURCE

Frontier Lithium Inc.

View original content to download multimedia:

http://www.newswire.ca/en/releases/archive/July2025/29/c6405.html

%SEDAR: 00008434E

For further information:

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

CO: Frontier Lithium Inc.

CNW 17:00e 29-JUL-25