InZinc Commences Diamond Drill Program at High-Grade Apex Discovery; Indy Sedex (Zn-Pb-Ag-Ga) Project, Central BC

Rhea-AI Summary

InZinc Mining (OTCQB:LTHIF, TSXV:IZN) started its 2026 diamond drill program at the 100%-owned Indy Sedex zinc-lead-silver-gallium project in central BC. Up to 7 holes (1,500 m) will target expansion of the high-grade B-9 Apex Zone and broader B-9 strike.

InZinc also granted 1,600,000 stock options at $0.08, vesting over 12 months.

AI-generated analysis. Not financial advice.

Positive

• 2026 diamond drill program includes up to 7 holes totaling 1,500 m
• B-9 Zone previously extended 125% to over 1,000 m strike length in 2025
• High-grade Apex intersection: 20.1% Zn, 1.7% Pb, 9.5 g/t Ag over 3.2 m
• Apex Zone mineralization remains open with 350 m strike and 1,200 m untested corridor
• InZinc holds 50% indium NSR royalty on West Desert project in Utah

Negative

• Grant of 1,600,000 stock options at $0.08 may increase share count over time

Vancouver, British Columbia--(Newsfile Corp. - May 12, 2026) - InZinc Mining Ltd. (TSXV: IZN) ("InZinc" or the "Company") is pleased to announce commencement of 2026 diamond drilling at the 100% owned Indy Sedex (zinc-lead-silver-gallium-barite) project, well-located 90 km southeast of Prince George in central BC, Canada.

In 2025, exploration drilling achieved a 125% extension of the near-surface B-9 Zone to over 1000 m in strike length and culminated with the discovery, at the current northern extension, of the high-grade Apex Zone which remains open for expansion. Significant drill results at Apex included 15.4% Zn, 1.3% Pb and 7.2 g/t Ag over 4.2 m which included a very high-grade interval of 20.1% Zn, 1.7% Pb and 9.5 g/t Ag over 3.2 m at the B-9 Apex Zone (Figure 1).

The 2026 diamond drill program, including up to 7 planned drill holes (1500 m), will focus on expansion of the high-grade discovery at the B-9 Apex Zone, now recognised as replacement-style Sedex mineralization. Drilling will test for up-dip and down-dip extensions and along strike for up to 350 m. Untested soil geochemical and EM geophysical signatures continue for at least another 1200 m to the northwest of the B-9 Apex Zone representing a high potential corridor for both extension and additional discoveries (Figure 2).

"We are very excited to get an early start on follow-up expansion of the high-grade discovery at Apex and to continue the achievements gained across 2025 at Indy," stated Wayne Hubert, CEO. "Separately, relating to other assets in InZinc's portfolio," added Mr. Hubert, "We would like to congratulate American West Metals on the success of an additional financing to advance the West Desert project in Utah where InZinc retains a 50% indium production royalty (NSR) interest."

Figure 1: Vertical Longitudinal Section - Highlighted Drill Intersections

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/6480/297016_a55b9b1934510878_001full.jpg

Focus on Further Expansion and Exploration of High-Grade Mineralization

• B-9 Apex Expansion: Depth extension and up-dip definition of the 58 m wide mineralized envelope with high-grades intersected (20.1% Zn, 1.7% Pb and 9.5 g/t Ag over 3.2 m in Hole IB25-043).
• B-9 Strike Extension: Wide-spaced drilling to explore the >1200 m B-9 Zone strike to the north of Hole IB25-043.

Figure 2: Indy Project - Mineralization and Exploration Potential 

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/6480/297016_a55b9b1934510878_002full.jpg

Annual Grant of Stock Options

InZinc announces the annual grant of incentive stock options to certain directors, officers and consultants to purchase a total of 1,600,000 common shares of the Company for a period of five (5) years at an exercise price of $0.08 per share effective May 11, 2026. These stock options will vest over the next 12 months.

About InZinc

InZinc has discovered and is advancing near-surface exploration at the Indy Sedex zinc-lead-silver-gallium-barite project (100%) in central BC, Canada. The extensive tenure at Indy covers 200 square km and a 30 km length of under-explored, prospective strata in central BC. The project is well located with respect to road access, rail, power, port and smelter infrastructure. In 2025 the Company announced the extension of the B-9 mineralized trend to a drill defined strike length of greater than 1000 m:

Significant drill results from B-9 Apex Zone (replacement mineralization):

• 15.4% Zn, 1.3% Pb and 7.2 g/t Ag over 4.2 m, including
  20.1% Zn, 1.7% Pb and 9.5 g/t Ag over 3.2 m

Significant drill results from the near-surface B-9 Discovery Zone (primary mineralization):

• 8.0% Zn, 2.0% Pb and 16.2 g/t Ag over 9.9 m
• 11.0% Zn, 2.3% Pb and 27.1 g/t Ag over 3.0 m
• 9.3% Zn, 2.4% Pb and 18.0 g/t Ag over 3.1 m
• 5.5% Zn, 0.5% Pb and 3.4 g/t Ag over 6.7 m
• 3.3% Zn, 0.7% Pb and 7.4 g/t Ag over 19.1 m

South32 Limited (ASX, LSE, JSE) became a major tenure holder in the Indy belt by staking approximately 200 km² of adjacent claims in late 2021.

Additionally, InZinc will receive 50% of the revenue (NSR) from the sale of indium mined from American West Metals' (ASX) West Desert project, Utah. Through its equity investment in American West, InZinc is also exposed to a portfolio of North American base metals projects.

InZinc Mining Ltd.

Wayne Hubert

____________

Chief Executive Officer Phone: 604.687.7211 Website: www.inzincmining.com

For further information, contact: Joyce Musial Vice President, Corporate Affairs Phone: 604.317.2728 Email: joyce@inzincmining.com

 

Qualified Person

Patrick McLaughlin, P.Geo., an Independent Qualified Person as defined in National Instrument 43-101 - Standards of Disclosure for Mineral Projects and a registered professional geoscientist in British Columbia, has approved the technical content of this news release.

Cautionary Note Regarding Forward-Looking Statements

This news release contains forward-looking statements or forward-looking information within the meaning of applicable securities laws (collectively, "forward-looking statements"). All statements herein, other than statements of historical fact, are forward-looking statements. Forward-looking statements, include but are not limited to, statements that address activities, events of developments that the Company expects or anticipates will or may occur in the future. Forward-looking statements are typically identified by words such as: believe, expect, anticipates, intends, estimates, plans, postulate, indicate and similar expressions, or are those, which, by their nature, refer to future events. Although InZinc believes that such statements are reasonable, it can give no assurance that such expectations will prove to be correct. The Company cautions investors that any forward-looking statements are not guarantees of future results, performance or actions, and that actual results or actions may differ materially from those in forward-looking statements as a result of various factors, including, but not limited to, those risks and uncertainties disclosed in the Company's Management's Discussion and Analysis for the year ended December 31, 2025 filed with certain securities commissions in Canada and other information released by the Company and filed with the appropriate regulatory agencies. Any forward-looking statement speaks only as of the date on which it is made and, except as may be required by applicable securities laws, InZinc disclaims any intent or obligation to update any forward-looking statement, whether as a result of new information, future events or results or otherwise. All of the Company's Canadian public disclosure filings may be accessed via www.sedarplus.ca.

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 release.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/297016

FAQ

What is InZinc Mining’s (OTCQB:LTHIF) 2026 drill program at the Indy project?

InZinc’s 2026 program plans up to 7 diamond drill holes totaling 1,500 m at the Indy Sedex project. According to InZinc, drilling will focus on expanding the high-grade B-9 Apex Zone and testing along strike for additional mineralization.

Where is InZinc’s Indy Sedex (LTHIF) zinc-lead-silver project located?

The Indy Sedex project is located about 90 km southeast of Prince George in central British Columbia. According to InZinc, the company owns 100% of this zinc-lead-silver-gallium-barite asset and is targeting replacement-style Sedex mineralization at the B-9 Apex Zone.

What high-grade drill results has InZinc (LTHIF) reported from the B-9 Apex Zone?

Key B-9 Apex results include 20.1% zinc, 1.7% lead and 9.5 g/t silver over 3.2 m. According to InZinc, this interval lies within a mineralized envelope 58 m wide and supports the high-grade character of the Apex discovery.

How much did InZinc (LTHIF) extend the B-9 Zone strike length in 2025?

In 2025, InZinc achieved a 125% extension of the near-surface B-9 Zone to more than 1,000 m in strike length. According to InZinc, this expansion culminated in discovery of the high-grade Apex Zone at the northern extension.

What exploration upside does InZinc (LTHIF) see beyond the B-9 Apex Zone?

According to InZinc, untested soil geochemical and EM geophysical signatures continue at least 1,200 m northwest of B-9 Apex. The 2026 drilling will also test up-dip, down-dip and along-strike extensions over roughly 350 m of the Apex trend.

What stock options did InZinc Mining (LTHIF) grant in May 2026?

InZinc granted 1,600,000 incentive stock options effective May 11, 2026 at an exercise price of $0.08 per share. According to InZinc, the options have a five-year term and will vest over the next 12 months for directors, officers and consultants.

What royalty interest does InZinc (LTHIF) hold in the West Desert project?

InZinc retains a 50% indium production royalty (NSR) interest on the West Desert project in Utah. According to InZinc, American West Metals recently completed additional financing intended to advance this project, which could benefit the royalty position.