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Ridgeline Minerals Commences Drill Program at the Selena CRD Project, Nevada

Exploration Programs

Ridgeline Minerals Commences Drill Program

at the Selena CRD Project, Nevada

Vancouver, British Columbia--(Newsfile Corp. - June 23, 2025) - Ridgeline Minerals Corp. (TSXV: RDG)

(OTCQB: RDGMF) (FSE: 0GC0) ("

Ridgeline

" or the "

Company

") is pleased to announce the

commencement of its 2025 drill program at the Selena Carbonate Replacement ("CRD") project

("Selena" or "Project") (

Figure 1

). The Project is currently being operated by Ridgeline under Phase 1 of

an earn-in agreement with a wholly owned subsidiary of South32 Limited ("South32"). All dollars noted

are US dollars.

South32 has approved a Year-2 exploration budget of

$3,450,000

to drill up to three deep core holes

(4,500 metres total) targeting the highly conductive Magnetotellurics ("MT") anomaly that was identified

at the Chinchilla Sulfide CRD target (

Figure 2

) in early 2025. All three core holes will target specific

stratigraphic and structural horizons across the known strike of the MT anomaly, with the first of three

holes targeting the shallowest expression of the Chinchilla Sulfide target. The anomaly plunges roughly

45 degrees north to south and is bound on both sides by a series of east verging thrust faults, interpreted

as key fluid conduits to the CRD system (

Figure 3

).

Figure 1

: Plan view map of the Selena project showing the locations of the three planned core holes (red

stars) that will test the multikilometer-scale MT anomaly at the Chinchilla Sulfide target.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/7298/256431_b6f8e37f142e2b1e_003full.jpg

Figure 2

: Simplified Long Section A-A' showing planned core hole #2 (1,600m) testing the highly

conductive MT anomaly on both sides of the interpreted thrust faults, which are inferred as key structural

controls to the CRD system.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/7298/256431_b6f8e37f142e2b1e_004full.jpg

Figure 3

: Simplified Chinchilla Sulfide Cross Section B-B' showing planned core holes 1-3 testing the 2+

kilometer strike extent of the MT anomaly, which is interpreted as a highly conductive sulfide CRD target.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/7298/256431_b6f8e37f142e2b1e_005full.jpg

QA/QC Procedures

Samples are submitted to American Assay Laboratories (AAL) of Sparks, Nevada, which is a certified

and accredited laboratory, independent of the Company. Independent check samples are sent to

Paragon Geochemical Labs (PAL) of Sparks, Nevada.

Samples are prepared using industry-standard

prep methods and analysed using FA-PB30-ICP (Au; 30g fire assay) and ICP-5AM48 (48 element

Suite; 0.5g 5-acid digestion/ICP-MS) methods. AAL also undertakes its own internal coarse and pulp

duplicate analysis to ensure proper sample preparation and equipment calibration. Ridgeline's QA/QC

program includes regular insertion of CRM standards, duplicates, and blanks into the sample stream

with a stringent review of all results completed by the Company's Qualified Person, Michael T. Harp,

Vice President, Exploration.

The technical information contained in this news release has been prepared under the supervision of,

and approved by Michael T. Harp, CPG, the Company's Vice President, Exploration. Mr. Harp is a

"qualified person" as defined under National Instrument 43-101 -

Standards of Disclosure for Mineral

Projects

.

Selena Project

Selena is located in White Pine County, Nevada, approximately 64 kilometers ("km") north of the town of

Ely, NV. The Project is currently being operated by Ridgeline under Phase 1 of an earn-in agreement

with a wholly owned subsidiary of South32 Limited ("South32") and shares a property boundary with the

Butte Valley project, a $33M earn-in agreement between Freeport-McMoRan and the underlying owner,

Falcon Butte Minerals. The Project is comprised of 39 square kilometers of highly prospective

exploration ground including Ridgeline's shallow-oxide Ag-Au ± Pb-Zn Chinchilla Oxide and deeper

Chinchilla Sulfide discoveries. Subsequent drilling has continued to highlight the potential for high-grade

CRD type mineralization (Ag-Au-Pb-Zn ±Cu-W) between Chinchilla Oxide and Freeport-McMoRan's

Butte Valley Cu-Au-Ag-Zn porphyry located directly west of the property (

View the Selena VRIFY Deck

Here

). For additional information regarding the South32 earn-in agreement terms, view the August 22,

2024 news release

HERE

.

About Ridgeline Minerals Corp.

Ridgeline Minerals is a discovery focused precious and base metal explorer with a proven management

team and a 200 km

2

exploration portfolio across seven projects in Nevada, USA. The Company is a

hybrid explorer with a mix of 100%-owned exploration assets (Big Blue, Atlas, Bell Creek & Coyote) as

well as two earn-in exploration agreements with Nevada Gold Mines at its Swift and Black Ridge

projects and a third earn-in with South32 at its Selena project. More information about Ridgeline can be

found at

www.ridgelineminerals.com

.

On behalf of the Board

"Chad Peters"

President & CEO

Further Information:

Chad Peters, P.Geo.

President, CEO & Director

Ridgeline Minerals Corp.

+1 775 304 9773

[email protected]

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

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

accuracy of this press release

Cautionary Note regarding Forward-Looking Statements

Statements contained in this press release that are not historical facts are "forward-looking

information" or "forward-looking statements" (collectively, "Forward-Looking Information") within the

meaning of applicable Canadian securities legislation and the United States Private Securities

Litigation Reform Act of 1995. Forward-Looking Information includes, but is not limited to, the

anticipated benefits of the Earn-In Agreement and the transaction contemplated thereby. The words

"potential", "anticipate", "meaningful", "discovery", "forecast", "believe", "estimate", "expect", "may",

"will", "project", "plan", "historical", "historic" and similar expressions are intended to be among the

statements that identify Forward-Looking Information. Forward-Looking Information involves known

and unknown risks, uncertainties and other factors which may cause the actual results to be materially

different from any future results expressed or implied by the Forward-Looking Information. In preparing

the Forward-Looking Information in this news release, Ridgeline has applied several material

assumptions, including, but not limited to, assumptions that TSX Venture Exchange approval will be

granted in a timely manner subject only to standard conditions; the current objectives concerning the

Project can be achieved and that its other corporate activities will proceed as expected; that general

business and economic conditions will not change in a materially adverse manner; and that all

requisite information will be available in a timely manner. Forward-Looking Information involves

known and unknown risks, uncertainties and other factors which may cause the actual results,

performance, or achievements of Ridgeline to be materially different from any future results,

performance or achievements expressed or implied by the Forward-Looking Information. Such risks

and other factors include, among others, risks related to dependence on key personnel; risks related

to unforeseen delays; risks related to historical data that has not been verified by the Company; as

well as those factors discussed in Ridgeline's public disclosure record. Although Ridgeline has

attempted to identify important factors that could affect Ridgeline and may cause actual actions,

events, or results to differ materially from those described in Forward-Looking Information, there may

be other factors that cause actions, events or results not to be as anticipated, estimated or intended.

There can be no assurance that Forward-Looking Information will prove to be accurate, as actual

results and future events could differ materially from those anticipated in such statements.

Accordingly, readers should not place undue reliance on Forward-Looking Information. Except as

required by law, Ridgeline does not assume any obligation to release publicly any revisions to

Forward-Looking Information contained in this news release to reflect events or circumstances after

the date hereof or to reflect the occurrence of unanticipated events.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/256431