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Midasco Capital Corp. Completes Acquisition of Tungsten and Critical Metals Project from Ridgeline Minerals Midasco Capital Corp. Announces Name Change to Spartan Metals Corp.

Mergers & Acquisitions Corporate Actions

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Midasco Capital Corp. Completes Acquisition of Tungsten and Critical

Metals Project from Ridgeline Minerals

Midasco Capital Corp. Announces Name Change to Spartan Metals Corp.

Vancouver, Canada, July 31, 2025 – Ridgeline Minerals Corp. (“Ridgeline”) (TSX-V: RDG | OTCQB: RDGMF |

FRA: 0GC0) and Midasco Capital Corp. (“Midasco”) (TSX-V: MGC-H) are pleased to announce that they have

completed the previously announced arm’s length sale and purchase of Spartan Exploration Nevada

Corporation (“Spartan”) in accordance with the terms of a share purchase agreement dated June 2, 2025

(the “Agreement”). On closing, Midasco acquired 100% of the issued and outstanding shares of Spartan, an

entity which holds 244 lode minera l claims located in White Pine County, Nevada which are referred to as

the Eagle Property (the “Property”) (Figure 1).

The Eagle Property is a tungsten -copper porphyry and skarn system which hosts one of the highest -grade

past producing tungsten districts in the United States with the Tungstonia and Rees mine operations

producing a reported 8,352 tonnes of tungsten trioxide at average grades of 0.6-1.0% between 1917-19561.

The Property also exhibits significant concentrations of rubidium, copper, silver, antimony as well as lesser

lead and zinc, which is interpreted as part of the larger metal zonation pattern of the porphyry system across

the district.

In accordance with the terms of the Agreement on closing, Midasco issued Ridgeline 5,830,466 of its

common shares (the “ Midasco Shares”) representing 19.9% of Midasco’s total issued and outstanding

shares. In addition, on the one-year anniversary of the closing date, Midasco will issue Ridgeline additional

Midasco Shares equal to the lesser of: (i) 5,000,000; and (ii) such number of Midasco Shares as would result

in Ridgeline’s holding 19.9% of Midasco’s total issued and outstanding shares.

Ridgeline has also been granted a 1% net smelter return royalty on the Property as well as on any additional

ground staked within a 2-mile area of interest around the Property.

In connection with the transaction, Midasco had its listing reactivated by the TSX Venture Exchange (the

“Exchange”) and is now a Tier 2 mining issuer.

In addition, Midasco announces that it has changed its name to “Spartan Metals Corp.” It is anticipated that

the Midasco Shares will begin trading on the Exchange under its new name and ticker symbol “W” on or

about August 5, 2025. The ISIN/CUSIP for Spartan Metals Corp. is: CA8468111072/846811107.

The Midasco Shares issued to Ridgeline are subject to a four -month hold period in accordance with

applicable securities laws. In addition, the Midasco Shares are subject to a contractual restriction on transfer

for a period of 12 months ending August 31 , 2026 with 1/12th of the securities being released to Ridgeline

1 Source¹: NBMG Open File Report 91-1 https://epubs.nsla.nv.gov/statepubs/epubs/446833.pdf

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on each one- month anniversary of the closing date, subject to acceleration at the sole discretion of the

Midasco.

Early Warning

Upon closing of the acquisition, Ridgeline acquired an aggregate of 5,830,466 Midasco Shares, representing

approximately 19.9% of the issued and outstanding Midasco Shares on a non -diluted basis. Immediately

prior to the completion of the a cquisition, Ridgeline did not have ownership of , or exercise control and

direction over, any Midasco Shares. The consideration paid by Ridgeline for the Midasco Shares consisted of

all of the issued and outstanding common shares in the capital of Spartan. Ridgeline is acquiring the Midasco

Shares for investment purposes. Ridgeline may, from time to time, take such actions in respect of its holdings

in securities of Midasco as they may deem appropriate in light of the circumstances then existing, including

the purchase of additional Midasco Shares or other securities of Midasco or the disposition of all or a portion

of its security holdings in Midasco, subject in each case to applicable securities laws and the terms of such

securities.

Pursuant to National Instrument 62-103 - The Early Warning System and Related Take -Over Bid and Insider

Reporting Issues, following the closing of the private placement, Ridgeline will file an early warning report in

respect of the acquisition of Midasco Shares with the applicable Canadian securities regulators, copies of

which will be available under Midasco’s profile at www.sedarplus.ca. Following closing of the acquisition, a

copy of the early warning report relating to the acquisition of Midasco Shares can be obtained by contacting

Chad Peters, CEO of Ridgeline, at Suite 1650 – 1066 West Hastings Street, Vancouver, British Columbia V6E

3X1. Midasco’s head office is located at 228 - 1122 Mainland St., Vancouver, British Columbia, V6B 5L1.

Figure 1: Map showing the location of the Rees and Tungstonia claim blocks, which collectively form the

Eagle Project, located in White Pine County, Nevada.

On behalf of the Board of Spartan

“William Pettigrew”

CEO

On behalf of the Board of Ridgeline

“Chad Peters”

President & CEO

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Further Information:

William Pettigrew

Chief Executive Officer

Spartan Metals Corp.

+1 604-313-8585

[email protected]

Further Information:

Chad Peters, P.Geo.

President, CEO & Director

Ridgeline Minerals Corp.

+1 775-304-9773

[email protected]

About Spartan Metals Corp.

Spartan Metals is focused on developing critical minerals projects in top -tier mining jurisdictions in the

Western United States, with an emphasis on building a portfolio of diverse strategic defense minerals such

as Tungsten, Rubidium, Antimony, Bismuth, and Arsenic.

Spartan’s flagship project is the Eagle Project in eastern Nevada that consists of the highest -grade historic

tungsten resource in the USA (the past -producing Tungsonia Mine) along with significant under -defined

resources consisting of: high-grade rubidium; antimony; bismuth; indium; as well as precious and base

metals. More information about Spartan Metals can be found at www.SpartanMetals.com

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. Forward-Looking Information includes, but is not limited to, the

completion of the Proposed Transaction , the Reactivation, the Company’s name and ticker change, and the

timing thereof and all other statements that are not historical in nature. 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, Midasco and Ridgeline have applied several material assumptions, including, but not

limited to, assumptions that Exchange approval for the Proposed Transaction and the Reactivation will be

granted in a timely manner; the Company’s 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

Midasco or 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 and Midasco’s

public disclosure record. Although Ridgeline and Midasco has attempted to identify important factors that

could affect them 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

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

as required by law, Ridgeline and Midasco assumes 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.