Saturday, September 26, 2026
MiningNewsTerminal
Saturday, September 26, 2026 Admin

GRSL.V ·

GR Silver Mining Announces Loss of President, CEO, and Founder, Márcio Fonseca

Corporate Updates

GR Silver Mining Announces Loss of

President, CEO, and Founder, Márcio Fonseca

VANCOUVER, BC

,

March 25, 2026

/CNW/ - GR Silver Mining Ltd. (TSXV: GRSL) (OTCQX:

GRSLF) (FRA: GPE) ("GR Silver Mining" or the "Company") is very sad to announce the sudden

passing of Mr. Márcio Fonseca, the Company's President, Chief Executive Officer, and Director. Mr.

Fonseca was not only a founder of GR Silver Mining, but also an integral part of the Company's

management team and operations team in Mexico, a friend and a mentor. Mr. Fonseca spent his

entire career, spanning over 30 years, working in the mining and mining finance sectors. Mr.

Fonseca was a long-standing member of the Association of Professional Engineers and

Geoscientists of the Province of BC, as well as the Australasian Institute of Mining and Metallurgy.

Executive Chair Eric Zaunscherb commented:

"Our hearts are heavy today with the passing of our

dear friend and colleague M

á

rcio. Our deepest condolences go out to Márcio's close family and

friends in this time of immense sadness. Márcio did everything with absolute passion and integrity;

his big heart and dedication radiated through our Company. M

á

rcio is a great example of true and

honest leadership to all of us in the mining industry and we will miss him greatly. One of Márcio's

legacies is a talented team of explorationists and administrators in Canada and Mexico that will

continue to make him proud as we move the Company forward."

The Board of Directors of GR Silver Mining has appointed Mr. Zaunscherb Interim President and

Interim CEO. Mr. Zaunscherb previously served as the Company's CEO from February 28, 2022 to

June 30, 2025.

About GR Silver Mining Ltd

.

GR Silver Mining is a Canadian-based, Mexico-focused mineral exploration company engaged in

cost-effective silver-gold resource expansion on its 100%-owned assets, located on the eastern

edge of the Rosario Mining District, at the border of Durango and Sinaloa States, Mexico. GR Silver

Mining controls 100% of the Plomosas Project, including the former Plomosas underground mine and

wide, high-grade silver mineralized zones at the San Marcial Area. Recent discoveries in the 78 km²

of highly prospective, advanced-stage exploration concessions position the Company well for

resource expansion at the Plomosas Project.

GR Silver Mining Ltd.

Eric Zaunscherb, Executive Chairman,

Interim President & CEO

Cautionary Statement Regarding Forward-Looking Information

This press release contains "forward-looking statements" within the meaning of applicable

Canadian securities legislation and information that are based on the beliefs of management and

reflect the Company's current expectations. When used in this press release, the words "estimate",

"project", "belief", "anticipate", "intend", "expect", "plan", "predict", "may" or "should" and the

negative of these words or such variations thereon or comparable terminology are intended to

identify forward-looking statements and information. Such

statements

and

information

reflect

the

current

view

of

the

Company.

Risks

and

uncertainties may cause actual results to differ materially

from those contemplated in those forward-looking statements and information. By their nature,

forward-looking statements involve known and unknown risks, uncertainties and other factors

which may cause our actual results, performance or achievements, or other future events, to be

materially different from any future results, performance or achievements expressed or implied by

such forward-looking

statements.

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 press release.

SOURCE GR Silver Mining Ltd.

View original content to download multimedia:

http://www.newswire.ca/en/releases/archive/March2026/25/c9618.html

%SEDAR: 00040149E

For further information:

For further information, please contact: Telephone: +1 647-293-8457,

Email: [email protected]

CO: GR Silver Mining Ltd.

CNW 21:08e 25-MAR-26