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SLAM DRILLS 74.80 METER COPPER, NICKEL COBALT CORE INTERVAL AT GOODWIN A Breakout Critical Element Core Intercept In The Bathurst Mining Camp

Drill Results

T SXV: SXL

SLAM DRILLS 74.80 METER COPPER, NICKEL

COBALT CORE INTERVAL AT GOODWIN

A Breakout Critical Element Core Intercept In The Bathurst Mining Camp

For Release 7:23 EST, December 11, 2025

Miramichi, New Brunswick ‐ SLAM Exploration Ltd. (TSXV: SXL) (“SLAM” or the “Company”) is

pleased to announce it has drilled a 74.80 meter (“m”) core interval grading 0.96% copper equivalent (Cu

Eq) in hole GW25- 19 on the Farquharson zone at the wholly owned Goodwin Copper -Nickel-Cobalt

Project. The Goodwin project covers 11,860 hectares (29,300 acres) of prospective mineral land located

35 kilometers southwest of the Caribou Mine in the mineral- rich Bathurst Mining Camp of New

Brunswick.

Diamond Drilling Highlights:

Hole No From To Length Copper% Nickel% Cobalt% Cu Eq%

GW25-19 76.10 150.90 74.80m 0.37 0.38 0.05 0.96

Based on the core length of 74.8 meters, the true width is estimated at 50 meters at a recovered grade of

0.96% copper equivalent . The known s trike length of 360 meters and depth of 200 meters point to

significant tonnage potential for the Farquharson zone. The copper equivalent (Cu Eq%) values are

“recovered” grades calculated using a recovery rate of 90% and based upon copper, nickel, cobalt, silver

and gold prices published December 09, 2025 on the website Daily Metal Price.

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Figure 1 Farquharson Zone Cross Section DDH GW24-05 and GW25-19

The Company drilled 10 holes of NQ size core for a total of 2,603 meters in the 2025 Goodwin drilling

campaign including one hole on the Granges Zone and nine holes on the Farquharson Zone. Drilling

extended the strike length of the Farquharson Zone to 360 meters and the Zone is open in both directions.

(see Figure 2).

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Figure 2 Farquharson Zone Drilling Plan – Aeromagnetic Calculated Vertical Gradient (CVD)

Figure 2 is derived from SLAM’s historic airborne MegaTEM survey that covered the entire Bathurst

Mining Camp. This survey suggests potential for Farquharson zone extensions over a 7,000 meter strike

length. With momentum building , the Company has initiated the next phase by requesting quotes from

geophysics contractors for airborne and down -hole EM surveys. These surveys are intended to support

target generation and drill planning for the promising 2026 diamond drilling campaign. The location

details for hole GW25-19 are as follows:

Hole_ID East_UTM North_UTM Elev Az Dip Length_m

GW2519 698094 5238571 501 44 -65 191

QA-QC Procedures: Core was collected from the drill in trays and delivered to a secure logging facility

in Bathurst, New Brunswick. After logging, samples were sawn using a diamond blade. Sawn half -core

samples were numbered, collected in bags, tagged and delivered to Activation Laboratories Ltd.

(“Actlabs”) in Fredericton. Actlabs completed multi -element analysis using assay method UT7. Samples

returning over-limit results (greater than 1%) for the UT7 are re-analyzed using method 8-AR. Blanks and

standards are included in each sample series.

About SLAM Exploration Ltd: SLAM Exploration Ltd. is a publicly listed resource company with a

40,000-hectare portfolio of mineral claim holdings in the mineral- rich province of New Brunswick.

Diamond drilling is in progress on the Goodwin copper -nickel-cobalt project in the Bathurst Mining

Camp (“BMC”) of New Brunswick. The drilling program follows significant copper, nickel and cobalt

intercepts from 15 diamond drill holes reported by the Company in 2024 on the Goodwin project. These

include a 64.90 meter core interval, grading 2.19% Cu-Eq (copper-nickel-cobalt), including 3.84% Cu-Eq

over a 31.20 meter core interval from hole GW24- 02 as reported in a news release August 7, 2024 .

Significant gold values were also reported with up to 3.31 grams per tonne over 0.5m in hole GW24-01.

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The Company launched its 2025 exploration program with two new gold discoveries on its

wholly-owned Jake Lee claims. SLAM reported eight grab samples with assays ranging from 7.42 grams

per tonne (“g/t”) to 94.80 g/t gold in the initial discovery on July 9, 2025. A second discovery comprised

quartz float grading 16.20 and 3.78 g/t gold respectively 100 meters southwest of the initial discovery as

reported August 28, 2025 . The Jake Lee claims are located 25 kilometers southeast of the Clarence

Stream gold deposit where Galway Metals Inc. Clarence Stream is host to a 12.4M tonne i ndicated

resource of 922,000 ounces at a grade of 2.31 g/t gold plus an inferred resource of 16.1m tonnes with

1,334,000 ounces at a grade of 2.60 g/t gold. (Reference: “Updated Mineral Resource Statement, Clarence

Stream Deposits, New Brunswick, Canada, by SLR Consulting (Canada) Ltd., March 31, 2022”).

SLAM’s exploration team recently mobilized back to Jake Lee.

SLAM reported gold bearing core intervals including 162.5 g/t gold over 0.2 m and 56.90 g/t gold

over 0.5 m from the Maisie vein in news releases on December 13, 2021 and November 22, 2022. The

Company had previously reported a core interval grading 3,955 g/t (127oz) gold Au over 0.1m from the

No. 18 vein. These veins are associated with a soil geochemical anomaly that stretches for 3,000 meters

along strike. Assays are pending on 900 additional samples to expand the soil coverage and further define

the target on this extensive vein system.

The Company is a project generator and expects to receive significant cash and share payments in

2026. SLAM received 1,200,000 shares plus cash from Nine Mile Metals Inc. (NINE) on February 28,

2025 pursuant to the Wedge project agreement. On March 29, 2025, the Company received a cash

payment of $60,000 as well as 180,000 shares of a private company pursuant to the Ramsay gold

agreement. The Company holds NSR royalties and expects to receive additional cash and share payments

on the Wedge copper zinc project and on the Ramsay gold project.

To view SLAM’s corporate presentation , click SXL -Presentation. Additional information is

available on SLAM’s website and on SEDAR+ at www.sedarplus.ca. Follow us on X @SLAMGold. Join

our company newsletter by clicking SXL -News to receive timely company updates and press releases

relating to SLAM Exploration.

Qualifying Statements: Mike Taylor P.Geo, President and CEO of SLAM Exploration Ltd., is a

qualified person as defined by National Instrument 43- 101, and has approved the contents of this news

release.

CONTACT INFORMATION:

Mike Taylor, President & CEO

Contact: 506-623-8960

[email protected]

Jimmy Gravel, Vice-President

Contact 902-273-2387

[email protected]

SEDAR+: 00012459

Forward-Looking Statements

This news release contains “forward-looking statements” and “forward-looking information” within the meaning of

applicable Canadian securities laws. Forward- looking statements are not historical facts but instead represent

management’s expectations, estimates and projections regarding future events or circumstances. Forward- looking

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statements are often, but not always, identified by words such as “expects,” “plans,” “anticipates,” “believes,”

“intends,” “estimates,” “projects,” “potential,” “may,” “could,” “would,” “might,” or “will,” and similar

expressions.

Forward-looking statements in this news release include, but are not limited to: statements regarding the

Company’s exploration plans at the Goodwin Project, the anticipated scope, timing and results of the current and

future drill programs, the potential extension of mineralized zones, and the potential to identify additional mineral

resources.

Forward-looking statements are based on reasonable assumptions made by the Company as of the date of this

release, including assumptions that geological interpretations and mineralization continuity are reasonable; that

planned drill and geophysical programs can be completed as scheduled; that equipment, contractors and personnel

will be available on acceptable terms; that assay and geophysical results will be received within expected

timeframes; that commodity prices and economic conditions will remain generally supportive; and that required

permits and approvals will be obtained in a timely manner.

These forward-looking statements involve known and unknown risks, uncertainties, and other factors that may cause

actual results, performance, or achievements to differ materially from those expressed or implied. Such risks and

uncertainties include, without limitation: exploration results that may not confirm current interpretations or

expectations; geophysical survey results that may not define viable drill targets; delays in exploration programs;

availability of drill equipment, contractors, and personnel; increases in costs; changes in commodity prices;

availability of financing on acceptable terms; general economic, market and business conditions; regulatory

changes; environmental risks; operating hazards; delays or inability to obtain required approvals; and other risk

factors described in the Company’s most recently filed Management’s Discussion and Analysis and other filings

with Canadian securities regulators.

Readers are cautioned not to place undue reliance on forward- looking statements. The Company does not undertake

to update or revise any forward- looking statements, whether as a result of new information, future events or

otherwise, except as required by applicable securities 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 this release.