Noble Plains Uranium Drill Results Achieve Success Rate of 85% at Duck Creek Project in Wyoming

Rhea-AI Summary

Noble Plains Uranium (OTCQB: NBLXF) reported results from 20 new drill holes at the Duck Creek Project, Wyoming, with an 85% success rate of holes meeting industry thresholds for Wyoming ISR deposits. The 20-hole set averaged 0.069% eU3O8, stated as 38% higher than the prior exploration-target upper range of 0.05% eU3O8. Notable intercepts include 26 ft @ 0.117% eU3O8 (incl. 3 ft @ 0.369%), 19.5 ft @ 0.137% eU3O8 (incl. 7 ft @ 0.212%), and multiple 18–23 ft intercepts above 0.11% eU3O8. Results extend mineralization along a 2.25 km strike and support advancing toward a first NI 43-101 compliant uranium resource planned for later this spring.

Caveats disclosed: grades are geophysical equivalent eU3O8 (gamma probe) and may not equal laboratory-measured uranium due to potential disequilibrium; the previously filed exploration target remains conceptual.

Positive

• 85% of the 20 holes met industry thresholds
• Average grade of 0.069% eU3O8 (stated)
• Average grade 38% above prior 0.05% upper exploration target
• Notable intercept: 26 ft @ 0.117% eU3O8 including 3 ft @ 0.369% eU3O8
• Mineralization confirmed along a 2.25 km strike length
• Drill program permitted up to 37,400 ft across ~150 holes

Negative

• Reported grades are eU3O8 (gamma equivalent) and may not reflect true uranium due to possible disequilibrium
• Exploration target is conceptual and does not constitute an NI 43-101 mineral resource

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Vancouver, British Columbia--(Newsfile Corp. - January 15, 2026) - Noble Plains Uranium Corp. (TSXV: NOBL) (OTCQB: NBLXF) (FSE: INE0) ("Noble Plains" or the "Company") a U.S. focused uranium exploration and development company, is pleased to announce the drill results from the next twenty drill holes completed at its flagship Duck Creek Project in Wyoming's Powder River Basin.

This latest set of results continue to demonstrate consistent uranium mineralization across the Duck Creek roll-front system, with a high success rate of 85% of the holes meeting or exceeding industry-standard thresholds for Wyoming ISR deposits. These additional results reinforce the growing confidence in the Company's geological model, validate the expanded project footprint, and further de-risk Duck Creek as it advances toward a scalable uranium resource.

"Confidence is earned through consistency, and this latest batch of results continues to deliver exactly that," said Drew Zimmerman, CEO of Noble Plains Uranium. "A success rate of 85% on this set of results reinforces the predictability of the Duck Creek system and validates both our geological model and our decision to expand the project footprint. We are methodically building scale, reducing risk, and advancing Duck Creek toward a meaningful, compliant uranium resource."

Of special note, hole 25-21-069 intersected 26 feet of 0.117% eU308 including 3.0 feet of 0.369% eU308. Hole 25-21-079 intersected 19.5 feet of 0.137% eU308, including 7 feet of 0.212% eU308. Hole 25-21-076 intersected 18 feet 0.112% eU308, including 6.0 feet of 0.263% eU308 and hole 25-21-068 intersected 18 feet of 0.116 eU308, including 6.5 feet of 0.25% eU308.

Table 1: Drill Intercept Highlights

Hole ID	Easting	Northing	Hole Depth (ft)	From (ft)	To (ft)	Length (ft)	Grade (% eU3O8)*
25-21-063	449,203	4,778,930	170	134.0	147.0	13.0	0.037
25-21-065	449,234	4,778,992	160	125.5	137.0	11.5	0.037
25-21-067	449,189	4,778,962	160	46.0	49.0	3.0	0.082
including				46.5	48.5	2.0	0.112
and				121.0	135.5	14.5	0.071
including				131.0	134.0	3.0	0.256
25-21-068	449,143	4,779,039	160	107.0	125.0	18.0	0.116
including				108.5	115.0	6.5	0.250
and				125.5	133.5	8.0	0.071
including				125.5	130.5	5.0	0.095
25-21-069	449,115	4,779,040	140	35.0	61.0	26.0	0.117
including				38.5	41.5	3.0	0.369
and				86.5	89.0	2.5	0.093
including				87.0	89.0	2.0	0.113
25-21-070	449,114	4,779,055	140	65.0	78.5	13.5	0.072
including				71.0	74.0	3.0	0.212
25-21-071	449,115	4,779,070	130	82.0	97.5	15.5	0.073
25-21-072	449,239	4,779,126	160	95.5	103.5	8.0	0.084
including				96.5	101.5	5.0	0.120
25-21-073	449,239	4,779,151	200	59.0	74.0	15.0	0.017
25-21-074	449,157	4,779,180	120	61.0	77.5	16.5	0.016
25-21-075	449,144	4,779,238	120	36.0	45.0	9.0	0.040
25-21-076	449,176	4,779,238	120	6.5	24.5	18.0	0.112
including				13.0	19.0	6.0	0.263
25-21-078	449,144	4,779,289	100	6.0	29.0	23.0	0.053
including				14.5	18.0	3.5	0.180
25-21-079	449,144	4,779,326	100	6.5	26.0	19.5	0.137
including				7.5	14.5	7.0	0.212
25-21-081	449,208	4,779,709	100	13.5	41.0	27.5	0.073
including				22.5	27.5	5.0	0.123
and				41.5	53.5	12.0	0.059
including				43.0	48.0	5.0	0.098
25-21-082	449,236	4,778,872	100	30.0	58.5	28.5	0.063
including				31.5	35.5	4.0	0.184
and				60.0	70.5	10.5	0.019

 

* All of the holes drilled are vertical and the geological units are essentially flat so that intercept widths are interpreted to be true thickness. The water table in the first 82 holes ranges from a depth of 5 feet to 45 feet and averages 16.75 feet deep.

"The results continue to confirm the strength and predictability of the Duck Creek roll-front system to date along a 2.25km (1.4 miles) strike length," said Paul Cowley, P.Geo., COO of Noble Plains Uranium. "The average grade of this next set of results is 0.069% eU3O8, 38% higher grade than the upper range of the Exploration Target of 0.05% eU3O8 used in the August 14, 2025 Duck Creek Technical Report. Furthermore, mineralization is occurring where our model predicts, across a wider area of the project's uranium trend. This level of consistency is exactly what supports the definition of a scalable uranium resource and materially reduces geological uncertainty as we progress toward a compliant estimate."

Figure 1 shows the location of the twenty new holes in red with the first sixty-two holes in green within the 3-mile-long trend of historic drilling.

Figure 1 - New Drillhole Locations

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/3717/280473_61abf7ecb4eec99e_001full.jpg

Ongoing Drill Program Overview

The Duck Creek drill program, permitted for up to 37,400 ft across ~150 holes, is structured around three key objectives:

1. Confirmation of Historic Data - 16 Holes

To verify 1,317 historic intercepts in the Wasatch Formation and support a uranium resource prepared in accordance with National Instrument 43-101 standards.

2. Expansion of Shallow Mineralization ~ 130 Holes

Designed to extend mineralized boundaries and target higher-grade areas along the 3-mile-long Wasatch roll-front corridor.

3. First-Ever Drilling of the Fort Union Formation ~ 10 Holes

For the first time, Noble Plains will drill to ~1,200 ft to test the Fort Union, where neighbouring projects host the majority of their compliant resources.

The Company filed a Technical Report, available on SEDAR+ under the Company's profile, on the Duck Creek Project on August 14, 2025, which outlined an exploration target ranging from 2.37 million tons at 0.03% U₃O₈ to 5.45 million tons at 0.05% U₃O₈. These ranges were based on assumed Grade-Thickness ("GT") values of 0.2 for the lower case and 0.598 for the upper case. The exploration target is conceptual in nature, does not meet the standards to be classified as mineral resources or mineral reserves, and there is no certainty that the exploration target will be realized.

Details of the Drilling Program
* The geophysical results are based on equivalent uranium (eU3O8) of the gamma-ray probes calibrated at the Department of Energy's Test Facility in Casper, Wyoming. A geophysical tool with gamma-ray, spontaneous potential, resistivity, and drift detectors was utilized. The reader is cautioned that the reported uranium grades may not reflect actual concentrations due to the potential for disequilibrium between uranium and its gamma emitting daughter products. The drill results were determined using thickness and grade % cutoffs of 2-ft, 0.02% eU3O8 and GT >0.2.

The drilling is being done by Tyler Exploration Inc. utilizing a truck mounted mud-rotary rig and the geophysical logging by Hawkins CBM Logging, both of Wyoming. Bradley Parkes P.Geo, VP Exploration and Paul Cowley P.Geo, Chief Operating Officer for Noble Plains Uranium Corp., supervised the drilling activities.

Next Steps and Outlook

With more than half the planned drilling now complete, the Company believes Duck Creek remains well positioned to continue building confidence, scale, and definition through the remainder of the program as it advances toward its first NI 43-101 compliant uranium resource later this spring.

About Noble Plains Uranium

Noble Plains Uranium Corp. is a U.S.-focused uranium exploration and development company advancing a portfolio of high-potential projects amenable to In Situ Recovery (ISR) - the most capital-efficient and environmentally responsible method of uranium extraction. Our strategy targets historically drilled and underexplored assets in proven jurisdictions, with the objective of rapidly delineating NI 43-101 compliant resources and building a scalable inventory of domestic uranium.

On Behalf of the Board of Directors,

"Drew Zimmerman", CEO & President

For further information, please contact: Drew Zimmerman: (778) 686-0973
Website: www.nobleplains.com

Bradley Parkes, P.Geo., VP Exploration of Noble Plains Uranium Corp., is the Qualified Person as defined in National Instrument 43-101, who has read and approved the technical content of this news release.

This news release includes certain forward-looking statements as well as management's objectives, strategies, beliefs and intentions. Forward looking statements are frequently identified by such words as "may", "will", "plan", "expect", "anticipate", "estimate", "intend" and similar words referring to future events and results. Forward-looking statements include, but are not limited to, statements regarding the planned drill program, the timing of drilling and results, the potential to outline a uranium resource prepared in accordance with National Instrument 43-101 standards, the potential to confirm or expand mineralization, and the potential of the Duck Creek Project to become a significant uranium asset. Forward-looking statements are based on the current opinions and expectations of management. All forward-looking information is inherently uncertain and subject to a variety of assumptions, risks and uncertainties, including but not limited to: exploration results that may not be consistent with historical data or expectations, geological or technical issues, regulatory approvals, availability of equipment and personnel, the speculative nature of mineral exploration and development, and fluctuating commodity prices, as described in more detail in our recent securities filings available at www.sedarplus.ca. Actual events or results may differ materially from those projected in the forward-looking statements and we caution against placing undue reliance thereon. We assume no obligation to revise or update these forward-looking statements except as required by applicable law.

Neither the TSX Venture Exchange nor its Regulations Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accept 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/280473

FAQ

What did Noble Plains (NBLXF) report on January 15, 2026 for Duck Creek drill results?

Noble Plains reported 20 new holes with an 85% success rate and an average grade of 0.069% eU3O8 from geophysical logging.

Which Duck Creek holes had the highest reported intercepts in the NBLXF update?

Highlighted intercepts include 26 ft @ 0.117% eU3O8 (incl. 3 ft @ 0.369%) and 19.5 ft @ 0.137% eU3O8 (incl. 7 ft @ 0.212%).

Does the January 15, 2026 NBLXF release confirm a NI 43-101 resource at Duck Creek?

No; the company said results support progress toward a first NI 43-101 compliant resource, but no compliant resource is yet reported.

Are the reported NBLXF grades from lab assays or geophysical measurements?

Grades reported are equivalent eU3O8 from gamma-ray probes and the company warns they may differ from laboratory uranium assays due to disequilibrium.

How large is the permitted Duck Creek drilling program referenced by NBLXF?

The program is permitted for up to 37,400 ft across approximately 150 holes, including planned deeper tests of the Fort Union.