MARKET WIRE NEWS

Atomic Minerals Plans Lisbon Valley East Radon Survey

MWN-AI** Summary

Atomic Minerals Corporation has announced plans to conduct a radon cup survey at its South Lisbon Valley East property, spanning 1,516.5 acres (614 hectares) in the Colorado Plateau uranium district, located approximately 35 kilometers northeast of Monticello, Utah. The survey aims to take place as weather conditions permit and once a radon survey specialist is available. The company will run a series of equally spaced northeastern trending lines across the property to detect radon gas emanating from the Chinle Formation, which is known for its uranium mineralization. This data will help refine drilling targets ahead of a scheduled drilling program planned for late H1 to early H2 of 2026.

Clive Massey, CEO of Atomic Minerals, expressed confidence in the potential for significant uranium mineralization within the target area, drawing parallels to the historically productive uranium belt on the southwest side of the Lisbon Valley Fault, which yielded about 78 million pounds of uranium. The Colorado Plateau itself is a major uranium province in the USA, with a historical production of 597 million pounds, and the Chinle Formation has been a significant source of uranium since mining began in 1946.

Previous exploratory drilling in the region has already indicated promising gamma ray readings suggesting potential uranium presence, notably on the northeast side of the Lisbon Valley Fault where drilling has found anomalously high radioactivity. Historical data, including oil and gas exploration findings, will guide Atomic Minerals in planning their upcoming drilling efforts. The company is committed to leveraging various geological tools to mitigate risks as it advances its exploration initiatives in these historically rich uranium zones.

MWN-AI** Analysis

Atomic Minerals Corporation's recent announcement about its planned radon cup survey at the South Lisbon Valley East property represents a significant step forward in its exploration strategy, particularly in the potentially lucrative Colorado Plateau uranium district. The company's proactive approach to utilize geophysical surveys as a tool for derisking its upcoming drill program underscores its commitment to meticulous resource exploration.

Investors should pay close attention to a few key indicators from this announcement. First, the Colorado Plateau’s history as one of the largest uranium-producing regions globally positions Atomic Minerals in a favorable sector. The previous production figures of 597 million pounds validate the area's potential. Additionally, Atomic Minerals' assertion that its targets are analogous to historic discoveries enhances confidence in the viability of their exploration efforts.

The planned radon survey is particularly noteworthy. By detecting radon gas emissions from the Triassic Chinle formation, the company aims to refine its drilling targets, which could lead to more precise extraction of uranium. Notably, the intrusion of known historical data, such as the anomalous gamma ray readings from prior drilling, offers a compelling context for potential findings at the SLVE property.

From a market perspective, Atomic Minerals' stock (TSXV: ATOM) is likely to react positively to successful survey outcomes. Investors should monitor the timing of survey implementation and results, as favorable outcomes may catalyze increased interest and investment in the stock. However, it’s essential to remain cautious and consider risks inherent in mining ventures, including regulatory changes and potential market volatility.

Overall, Atomic Minerals appears well-positioned for potential growth. Engaging with this company could yield rewarding opportunities, particularly as the uranium market remains buoyed by increasing energy demands and a global pivot towards sustainable sources of energy. Nevertheless, potential investors should conduct comprehensive due diligence before making decisions.

**MWN-AI Summary and Analysis is based on asking OpenAI to summarize and analyze this news release.

Source: TMX Newsfile

Vancouver, British Columbia--(Newsfile Corp. - March 17, 2026) - Atomic Minerals Corporation (TSXV: ATOM) (OTCQB: ATMMF) (FSE: DO8) ("Atomic Minerals" or the "Company") announces plans to undertake a radon cup survey at is 1,516.5 acre (614 hectare) South Lisbon Valley East property ("SLVE") located with the Colorado Plateau uranium district, approximately 35 kilometres NE of Monticello, Utah. The survey will take place shortly, as soon as weather permits and the Radon Survey specialist is available.

The Company will run a series of equally spaced NE trending lines across the property and the full width of the suspected arcuate belt of uranium mineralization hosted in the Moss Back member of the of the Triassic Chinle Formation. The objective of the survey is to detect radon gas emanating from the Chinle formation through faults to surface to assist in refining drilling targets prior to the planned late H1 early H2 drill program.

Figure 1. South Lisbon Valley East Property

To view an enhanced version of this graphic, please visit:
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"We are utilizing as many tools in the geological toolbox as we can to derisk our upcoming Lisbon Valley East drill program," commented Atomic Minerals' CEO Clive Massey. "We strongly believe significant uranium mineralization lies within the target belt, analogous to the previously producing uranium belt on the SW side of the Lisbon Valley Fault where 78 million lbs. was previously produced," he concluded.

Figure 2. Lisbon Valley Historic Production

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Colorado Plateau and Lisbon Valley Uranium
The roughly 130,000 square mile (336,700 square kilometre) Colorado Plateau, hosts the largest uranium province in the USA and one of the largest in the world, having previously produced 597 million pounds to date. Most of the Colorado Plateau uranium deposits are hosted in the Triassic Chinle and Jurassic Morrison Formations that formed in mostly arid environments. These deposits are exposed today along cliffs and drainages that transect the Plateau and have been mined for vanadium since 1909 and for uranium since 1946. The two main areas of uranium production were Morrison Formation Grants Mineral Belt in New Mexico and the Chinle Formation Lisbon Valley in Utah.1

The Chinle Formation deposits are located in arcuate belts associated with a series of NW-SE trending anticlines developed as a result of salt movement in the underlying strata within the Paradox Basin. Paleo rivers flowed along each side of these anticlines with uranium mineralization found within these paleo-channels along the lengths of the anticlines. Lisbon Valley is the type location for Chinle deposits.

Lisbon Valley produced approximately 78 million pounds of U3O8 between 1952 and 1982 from an arcuate belt some 16 miles long by 1 mile wide with approximately 1/3 of the belt eroded away post mineral. Individual ore bodies ranged from a few hundred pounds to 20,000,000 pounds of U3O8, hosted in the basal Moss Back member of the Triassic Chinle formation along the southwest flank of the Lisbon Valley anticline. A northwest trending, post-mineral normal fault, the Lisbon Valley Fault abruptly cut-off and displaced the uranium mineralization associated with the northeast flank, speculatively dropping it + 2500 feet on the northeast side of the fault.2

The Rio Algom mine produced 13 million pounds at an average grade of 0.25% U3O8 at a depth 2550 feet on the downfaulted side of the fault, supporting the presence of an arcuate belt on the northeast side of the fault2. Oil and gas drilling, largely between 2006 and 2014, on the northeast down-faulted side of the Lisbon Valley anticline located anomalous to extremely anomalous gamma ray readings in the suspected Moss Back Member in 28 of 51 hole drilled throughout a northwest trending belt 20 kilometres in length by + 750 metres in width, outlining the suspected eastern arcuate belt.

Within Atomic's SLVE property nine widely-spaced historic oil and gas wells appear to define the southern end of this 20km by +750m belt as 'off-scale' radioactivity was recorded within the favorable Chinle Formation host rock over widths of 1.8 to 4.5 m (6 to 15 feet) from depths of 760 to 880 m (2,495 to 2,890 feet).3

Sources of Information:

  1. Hall, S.M., Van Gosen, B.S. and Zielinski, R.A. (2023). Sandstone-Hosted Uranium Deposits of the Colorado Plateau, USA. Ore Geology Reviews Volume 155. 39p. https://doi.org/10.1016/j.oregeorev.2023.105353
  2. Chenoweth, W.L. (1990). Lisbon Valley, Utah's Premier Uranium Area, a Summary of Exploration and Ore Production. Utah Geological Survey Open File Report 188, July 1990.
  3. Utah Division of Oil, Gas and Mining Drill Hole Database API#'s 4303716221, 4303720318, 4303731848, 4303731850, 4303731859, 4303731860, 4303731883, 4303731891, and 4303750041

The data disclosed in this news release relates to historical drilling. Atomic has not undertaken any independent investigation of the sampling, nor has it independently analyzed the results of the historical exploration work in order to verify the results. Atomic considers these historical drill results relevant as the Company will use this data as a guide to plan exploration programs. The Company's current and future exploration work includes verification of the historical data through drilling.

R. Tim Henneberry, PGeo (BC) and an advisor to Atomic, and a Qualified Person under National Instrument 43-101 has reviewed and approved the technical content of the news release.

About Atomic Minerals Corporation

Atomic Minerals Corporation is a publicly listed exploration company on the TSXV, trading under the symbol ATOM, led by a highly skilled management and technical team with a proven track record in the junior mining sector. Atomic's objective is to identify exploration opportunities in regions that have been previously overlooked but are geologically similar to those with previous uranium discoveries. These underexplored areas hold immense potential and are in stable geopolitical and economic environments.

Currently, the Company's property portfolio contains Uranium projects with significant technical merit in three locations known for hosting Uranium production in the past. We have four on the Colorado Plateau, within the continental United States. The plateau has previously produced 597 million pounds of U3O8. The other two recently acquired properties are located in the prolific Athabasca region in Saskatchewan, Canada and the Mount Laurier property located in Quebec, Canada.

For additional information about the Company and its projects, please visit our website at www.atomicminerals.ca.

ON BEHALF OF THE BOARD OF DIRECTORS

"Clive Massey"
Clive H. Massey
President & CEO

For further information, please contact:
Investor Relations, Ray Lagace
Tel: (604) 418-6950

Neither TSX Venture Exchange nor their 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.

Forward-Looking Statements:

This news release contains certain statements that may be deemed "forward-looking" statements. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "will", "would", "may", "could" or "should" occur. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results may differ materially from those in forward looking statements. Forward-looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made. Except as required by law, the Company undertakes no obligation to update these forward-looking statements in the event that management's beliefs, estimates or opinions, or other factors, should change.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/288757

FAQ**

How does Atomic Minerals Corp. ATMMF plan to mitigate geological risks prior to the upcoming drill program in the South Lisbon Valley East property?
Atomic Minerals Corp. (ATMMF) plans to mitigate geological risks prior to the upcoming drill program in the South Lisbon Valley East property by conducting comprehensive geological surveys, utilizing advanced modeling techniques, and engaging qualified experts for site assessments.
What are the expected outcomes of the radon cup survey in relation to the historical uranium production in the Colorado Plateau?
The radon cup survey is expected to reveal correlations between radon levels and historical uranium production in the Colorado Plateau, highlighting potential health risks and informing future mining regulations and public health initiatives in the region.
Can you elaborate on the significance of the Chinle Formation in relation to Atomic Minerals Corp. ATMMF’s exploration strategy?
The Chinle Formation is significant to Atomic Minerals Corp. (ATMMF) as it presents a promising geological setting for uranium deposits, aligning with the company's exploration strategy focused on identifying and developing high-potential atomic mineral resources.
What measures is Atomic Minerals Corp. ATMMF taking to ensure accurate historical data verification in their exploration projects?
Atomic Minerals Corp. ATMMF is implementing rigorous data validation processes, including cross-referencing historical records, utilizing advanced geological software, and collaborating with geologists to ensure the accuracy and reliability of data in their exploration projects.

**MWN-AI FAQ is based on asking OpenAI questions about Atomic Minerals Corp. (OTC: ATMMF).

Atomic Minerals Corp.

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