Silver Storm Mining Drills 661 g/t Ag.Eq over 3.7 m and 328 g/t Ag.Eq over 15.4 m at San Marcos

TSXV: SVRS | OTCQX: SVRSF | FSE: SVR

Overview

Silver Storm Mining Ltd. ("Silver Storm" or the "Company") (TSXV:SVRS)(OTCQX:SVRSF)(FSE:SVR) announced drill results from the diamond drilling program at the Company's 100%-owned La Parrilla Silver Mine Complex ("La Parrilla") located in Durango State, Mexico. According to the company, the results in this release are from the mineralized oxide zones within the past-producing San Marcos underground mine.

Greg McKenzie, President and CEO, stated: "We are impressed with the infill and exploration drill results at San Marcos that demonstrate the potential to grow the La Parrilla oxide Mineral Resource. We plan to follow up on these high-grade near-surface results with further drilling from our recently approved surface drill pads."

Key Highlights

• Hole IDP-SM-26-003A returned 661 g/t Ag.Eq over 3.70 m (ETW 3.48 m), including 1,231 g/t Ag.Eq over 1.60 m (ETW 1.50 m).
• Hole EDP-SM-26-006 returned 328 g/t Ag.Eq over 15.35 m (ETW 11.76 m), including 1,461 g/t Ag.Eq over 2.00 m (ETW 1.53 m).
• Hole IDP-SM-26-015 returned 617 g/t Ag.Eq over 3.90 m (ETW 2.24 m), including 969 g/t Ag.Eq over 1.90 m (ETW 0.75 m).
• Hole IDP-SM-26-010 returned 366 g/t Ag.Eq over 5.05 m (ETW 4.97 m), including 554 g/t Ag.Eq over 1.70 m (ETW 1.67 m).
• Hole IDP-SM-26-002 returned 221 g/t Ag.Eq over 8.05 m (ETW 7.56 m), including 744 g/t Ag.Eq over 1.50 m (ETW 1.41 m).
• Hole IDP-SM-26-017 returned 468 g/t Ag.Eq over 2.85 m (ETW 2.85 m), including 728 g/t Ag.Eq over 1.00 m (ETW 1.00 m).
• Hole IDP-SM-26-018 returned 399 g/t Ag.Eq over 1.20 m (ETW 0.98 m) and 241 g/t Ag.Eq over 5.00 m (ETW 4.10 m).
• The infill and exploration drill results from San Marcos demonstrated the potential to extend the Indicated Resources by an additional 100 m toward the surface over a strike length of 425 m, while the Inferred Resources have the potential to be extended by approximately 65 m toward the surface.
• A total of 93 holes have been completed to date (approximately 9,395 m).

Operational Context

The San Marcos zone is comprised of quartz-carbonate vein mineralization, striking north-northwest and dipping 60 degrees to the northeast, hosted within a fault zone marking the eastern contact of the granodiorite stock. According to the company, the zone has a known strike length of approximately 650 m and a thickness of up to 17 m, with mineralization extending vertically for 450 m. The zone is mainly characterized by oxide mineralization, while the southern section below the 1875 m elevation is characterized by sulphide replacement mineralization.

Underground rehabilitation and development activities within the past-producing San Marcos mine are underway, and the company states that all mineralized intersections reported in this release are proximal to existing development within the mine. Silver Storm has two underground drill rigs and one surface drill rig in operation to advance the current drilling program.

Permitting and Next Steps

Silver Storm has secured permits authorizing the construction of drill pads and access roads to carry out drilling on 13 sites at San Marcos. The permits have been issued by the Mexican federal authority, Secretaría de Medio Ambiente y Recursos Naturales ("SEMARNAT"), and are valid for a period of five (5) years. These permits are in addition to those announced in the June 18, 2026 news release titled "Silver Storm Receives La Parrilla Surface Drilling Permits." The company plans to conduct follow-up drilling on the near-surface high-grade oxide mineralization encountered in the current underground drilling campaign to increase the Mineral Resources at San Marcos.

What to Watch Next

• The company plans to follow up on near-surface high-grade results with further drilling from recently approved surface drill pads.
• The company intends to conduct follow-up drilling to increase the Mineral Resources at San Marcos.
• Ongoing underground rehabilitation and development activities at the past-producing San Marcos mine continue.

About Silver Storm Mining Ltd.

Silver Storm Mining Ltd. is a silver focused junior mining company with the goal of becoming a mid-tier silver producer. The Company's primary asset is the 100%-owned La Parrilla Silver Mine Complex, a past-producing silver-gold mine located in Durango State, Mexico. La Parrilla has produced over 30 million oz Ag since 2005 and hosts Indicated Mineral Resources of 23.8 Moz AgEq (18.6 Mt at 40 g/t AgEq) and Inferred Mineral Resources of 52.3 Moz AgEq (29.5 Mt at 55 g/t AgEq) (refer to Technical Report titled "Independent Technical Report for the La Parrilla Silver Mine, Durango State, Mexico" with an effective date of March 24, 2025). The Company's management team has a proven track record of building and operating silver mines in Mexico.

Read full press release here.

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