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Comet Lithium Discovers First Spodumene- Bearing Pegmatite at Elmer East Property

Exploration Programs

Comet Lithium Discovers First Spodumene-

Bearing Pegmatite at Elmer East Property

ROUYN-NORANDA, QC

,

July 9, 2025

/CNW/ - Comet Lithium Corporation (TSXV: CLIC) (FSE:

8QY) ("Comet Lithium" or the "Corporation") is pleased to announce the discovery of a spodumene-

bearing pegmatite dyke (see Figure 1) at its wholly-owned Elmer East property, as part of its

ongoing summer fieldwork campaign targeting the Triple L and Elmer East properties in the Eeyou-

Istchee James Bay region of Québec. This initial program was designed as a targeted and first-pass

exploration effort across high-priority targets.

The newly identified dyke (see Figure 1), located in the southwestern portion of the southern claim

block, measures approximately 1 to 2 metres in width and has been traced over at least 80 metres

along strike, remaining open to the east. Mineralogical observations confirm the presence of very

pale green spodumene crystals (see Figure 2), accompanied by muscovite and trace amounts of

black tourmaline – consistent with classic LCT-type (lithium-cesium-tantalum) pegmatite systems.

"The discovery of spodumene mineralization at the Elmer East property is an exciting development

for Comet Lithium and a strong validation of our systematic exploration strategy" said

Vincent

Metcalfe

, Chair and CEO of Comet Lithium. "This marks the first confirmed lithium-bearing zone on

the property and highlights the significant exploration upside across our land package in the

James

Bay

region in the province of Québec. We look forward to following up with additional work to

assess the scale and continuity of this emerging mineralized trend."

The 2025 field program at the Elmer East property was conducted by Dahrouge Geological

Consulting Ltd.

between June 25 and June 30, 2025

. The program included geological mapping,

structural measurements, and rock sampling over prioritized outcrops identified through geophysical

anomalies and satellite imagery. A total of 66 samples were collected, including certified control

samples, and select samples were sent to AGAT Laboratories in

Thunder Bay, Ontario

, for lithium

and gold analysis. Final assay results are pending.

Following the reception of assay results, the Corporation may carry out follow-up exploration,

including trenching and channel sampling to test the eastern extension of the mineralized dyke and

evaluate additional lithium potential across the southern claim block.

The Elmer East property is located in the Eastmain Greenstone Belt, approximately 100 kilometres

north-northwest of the Nemiscau Cree community, and comprises 37 claims totaling 1,942 hectares.

It forms part of Comet's strategic position in one of

Canada's

most prospective and active lithium

districts.

The exploration program on the Elmer East property was part of Comet's 17-day field campaign. At

Elmer East property, priority targets were identified via satellite image analysis, with a focus on

zones where bedrock was likely exposed or near-surface. Several outcrops, especially in the

southern block, were mapped and sampled, including the now-confirmed spodumene-bearing

pegmatite. Two select samples (E6481494 and E6481203) were collected from separate outcrops

along a west-to-east trend and aligned along with one another (see Figure 3).see Figure 3 sample

location E6481494 and E64812031).

The collected samples have been submitted to AGAT Laboratories in

Val d'Or

, Québec, for

geochemical analysis. Assay results are pending and will be released once available.

Figure 1: Elmer East – Spodumene-Bearing White Pegmatite Dyke (Sample E6481494 Location)

(CNW Group/Comet Lithium Corporation)

Figure 2: Elmer East – Close-Up of Spodumene-Bearing White Pegmatite Dyke (Sample E6481494)

(CNW Group/Comet Lithium Corporation)

Figure 3: Elmer East – Map of Samples and Geological Mapping of the South Block (CNW

Group/Comet Lithium Corporation)

Qualified Person

Vincent Cardin-Tremblay

, P. Geo (ogq #1386, PGO #3347), registered in the Provinces of Québec,

and

Ontario

is Vice President Exploration to Comet Lithium, is a qualified person

under

National

Instrument 43–101

– Standards of Disclosure for Mineral Projects.

He has reviewed the technical

contents of this news release and has approved the disclosure of the technical information contained

herein.

About Dahrouge Geological Consulting Ltd.

Dahrouge Geological Consulting Ltd. Is a global mining and mineral exploration consulting group

providing expertise in professional geological, logistical, and project management services through all

stages of the mining value chain.

Based in

Edmonton, AB

, CAN,

Montreal, QC

, CAN, and

Denver, CO

, USA, Dahrouge and its

predecessor, Halferdahl and Associates, have advised and assisted clients in identifying, exploring,

developing, and optimizing mineral projects and resources since 1971.

About Comet Lithium Corporation

Comet Lithium is a dynamic exploration company with a growing portfolio of highly prospective

assets located in Québec, including several properties in the prolific

James Bay

District. The

Company's land package includes the Liberty Property, located adjacent to Winsome Resources'

Adina lithium discovery, and the Troilus East Property, positioned next to Troilus Gold's gold-copper

project. Comet's strategy is focused on systematic exploration and unlocking the value of its diverse

property portfolio through targeted fieldwork and strategic partnerships.

Forward-Looking Statements

This news release contains statements that may constitute "forward-looking information" within the

meaning of applicable Canadian securities legislation. Forward-looking information may include,

among others, statements regarding the future plans, costs, objectives or performance of Comet

Lithium, or the assumptions underlying any of the foregoing. In this news release, words such as

"may", "would", "could", "will", "likely", "believe", "expect", "anticipate", "intend", "plan", "estimate"

and similar words and the negative form thereof are used to identify forward-looking statements.

Forward-looking statements should not be read as guarantees of future performance or results, and

will not necessarily be accurate indications of whether, or the times at or by which, such future

performance will be achieved. No assurance can be given that any events anticipated by the

forward-looking information will transpire or occur, including the results from the 2025 field program,

including the results to be obtained from the 66 rock samples collected and sent to AGAT

Laboratories, if any follow-up exploration programs will be completed on the Triple L and Elmer East

properties, including any trenching and channel sampling to test the eastern extension of the

mineralized dyke and evaluate additional lithium potential across the southern claim block of the

Elmer East property , will occur, the timing to conduct such exploration program and the results of

such exploration programs, and if it does so, what benefits Comet Lithium will derive from any such

exploration programs. Forward-looking information is based on information available at the time

and/or management's good-faith belief with respect to future events and are subject to known or

unknown risks, uncertainties, assumptions and other unpredictable factors, many of which are

beyond Comet Lithium's control. These risks, uncertainties and assumptions include, but are not

limited to the risks, uncertainties and assumptions described under "Financial Instruments" and "Risk

and Uncertainties" in Comet Lithium's Annual Report for the fiscal year ended

December 31, 2024

, a

copy of which is available on SEDAR+ at

www.sedarplus.ca

, and could cause actual events or

results to differ materially from those projected in any forward-looking statements. Comet Lithium

does not intend, nor does it undertake any obligation, to update or revise any forward-looking

information contained in this news release to reflect subsequent information, events or

circumstances or otherwise, except if required by applicable laws.

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

the release.

Website:

CometLithium.com

SOURCE

Comet Lithium Corporation

View original content to download multimedia:

http://www.newswire.ca/en/releases/archive/July2025/09/c1845.html

%SEDAR: 00035962E

For further information:

For further information: Comet Lithium Corporation, Vincent Metcalfe,

Chairman and CEO, [email protected], +1.514.249.9960; 147 Québec Avenue (back

door), Rouyn-Noranda, Québec J9X 6M8, Email: [email protected]

CO: Comet Lithium Corporation

CNW 08:00e 09-JUL-25