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GRSL.V ·

GR Silver Mining Grants Options

Share Capital & Compensation

GR Silver Mining Grants Options

VANCOUVER, BC

,

Oct. 2, 2025

/CNW/ -

GR Silver Mining Ltd.

("

GR Silver Mining

" or the

"

Company

") (TSXV: GRSL) (OTCQB: GRSLF) (FRANKFURT: GPE) announces that it has granted

incentive stock options to certain eligible persons to purchase up to an aggregate of 600,000

common shares of the Company pursuant to the Company's Omnibus Long-Term Incentive Plan and

the policies of the TSX Venture Exchange ("

TSXV

"). The options have a five-year term, with 1/3

vesting on the date of grant and a further 1/3 vesting on each of the first and second anniversaries of

the date of grant. All of the foregoing options are exercisable at a price of

$0.33

per common share.

The options, and any common shares issued on exercise thereof, have a hold period expiring on

February 3, 2026

, in accordance with the policies of the TSXV.

About the Plomosas Project

The Plomosas Project, including the recent high-grade silver discovery in the San Marcial SE Area,

is progressing in 2025 as an emerging high-grade silver district located in southwestern edge of the

Sierra Madre Occidental,

Sinaloa, Mexico

. The Plomosas Project, covering 7,823 ha, including the

historical Plomosas Underground mine. benefits from mine infrastructure, road access and existing

permits associated with past-producing mining sites. The district contains intermediate to low-

sulfidation epithermal silver and gold mineralization, hosted in hydrothermal breccias and veins.

Recent success in exploration and drilling has delineated wide, high-grade, shallow hydrothermal

breccias in the San Marcial Area, including the SE Area discovery, where step-out drilling is

underway in 2025, aiming for continuous resource growth. At the historical Plomosas Mine, where

Grupo Mexico operated the underground mine from 1985 to 2000, exploration, underground

sampling and metallurgical programs are being conducted to support future decisions regarding the

implementation of a Bulk Sampling Test Mining Program

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, in the southeast of Sinaloa State,

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.

Márcio Fonseca, 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/October2025/02/c5617.html

%SEDAR: 00040149E

For further information:

For further information, please contact: Telephone: +1 236-270-2057,

Email: [email protected]

CO: GR Silver Mining Ltd.

CNW 05:00e 02-OCT-25