TECT.V · 2026-02-05

Tectonic Metals Drills 272 Metres of 0.50 g/t Au and 277 Metres of 0.49 g/t Au; Confirms Bulk-Tonnage Potential at Heap-Leachable Chicken Mountain, Flat Gold Project, Alaska Unconstrained Growth Potential: 3.3 km Drilled Mineralized Strike x 700 m Width x 300 m

Drill Results Exploration Programs

Unconstrained Growth Potential: 3.3 km Drilled Mineralized Strike x 700 m Width x 300 m Vertical Depth and Remaining Open in All Directions

100% Drill Success Continues: 191 of 191 Drill Holes Intersecting Gold Mineralization

VANCOUVER, B.C. – February 5, 2026 – Tectonic Metals Inc. (“Tectonic” or the “Company”) (TSX- V: TECT; OTCQB: TETOF) today announced final assay results from the 2025 drill program at Chicken Mountain. Today’s results delivered thick, at or near-surface intercepts that reinforce Chicken Mountain as a bulk-tonnage, heap leachable Reduced Intrusion Related Gold System (“RIRGS”) within the Company's flagship 99,800-acre Flat Gold Project (“Flat”) in Southwest Alaska.

The 2025 drilling program has successfully advanced Chicken Mountain from an exploration target into a kilometre-scale resource growth opportunity, expanding the continuously mineralized footprint and delineating higher-grade corridors that may support potential starter-pit development scenarios.

Tectonic plans to resume drilling in early May 2026, and additional metallurgical test work is now underway, including 2-inch crush heap-leach column tests to investigate the viability of run-of-mine (“ROM”) gold processing. A more detailed news release outlining the Company’s 2026 plans and objectives is expected to be announced in the coming months.

CEO Commentary

“Chicken Mountain demonstrates a combination of scale, continuity and favorable metallurgy in a bulk-tonnage gold system. Unlike narrow vein deposits that rely on selective mining, this style of mineralization has the potential to support simpler, straightforward open-pit development, with broad, continuous zones that begin at surface and remain open in all directions.”

What differentiates Chicken Mountain is the convergence of three key value drivers. First, scale: we’ve defined approximately 3.3 kilometres of mineralized strike to date, with widths approaching 700 metres, while drill testing only a fraction of the mapped intrusive complex. Second, predictability: a 100% drill success rate across 191 holes demonstrates a fertile and strong mineralizing system that can be targeted effectively. Third, metallurgy: previously reported heap- leach recoveries of up to 96%, together with ongoing work evaluating run-of-mine potential, point to a processing profile with meaningful capital and operating advantages.”

“Within this large mineralized, envelope, we’ve identified multiple higher-grade corridors that could represent potential mining starter-pit opportunities. Beyond the intrusion itself, the hornfelsed sedimentary rocks surrounding Chicken Mountain represent an additional, untested and underexplored opportunity. At Black Creek, located 6 km away, drilling intersected 4.50 g/t Au over 48.77 m with 7.79 g/t Au over 24.38 m hosted in hornfels — the same prospective host rock that surrounds Chicken Mountain.”

“As we move forward, our focus is clear: continued step-out drilling to define the ultimate scale of the Chicken mountain RIRGS system, advancing metallurgical work toward a potential run-of-mine flowsheet, and progressing toward a maiden mineral resource estimate. Each of these workstreams is aimed at systematically de-risking Chicken Mountain while preserving its significant growth potential.”

Assay results from 16 drill holes are reported herein – 9 diamond core holes and 7 reverse circulation (“RC”) holes – representing approximately 3,535 metres (“m”) of drilling from the Company’s 18,373 m 2025 program. Drilling targeted step-out expansion and early-stage resource delineation in the central area of the Chicken Mountain intrusion. All assay results from the Companies 2025 drill program are now reported.

Drill Highlights

CMD25-031: Entire Drill Hole Mineralized

0.70 g/t Au over 32.00 m, and 15.05 g/t Au over 1.00 m, and 1.14 g/t Au over 19.00 m, all within

0.50 g/t Au over 272.00 m

Diamond core drill hole; total hole length 303.58 m

CMD25-028: Entire Drill Hole Mineralized

1.02 g/t Au over 11.00 m, and 1.27 g/t Au over 13.00 m, and 1.16 g/t Au over 12.00 m, within 0.74 g/t Au over 61.00 m, and all within

0.49 g/t Au over 277.55 m

Ended in mineralization; total hole length 327.6 m (diamond core drill hole)

CMD25-021

2.20 g/t Au over 14.00 m, within 1.39 g/t Au over 24.00 m, all within

0.44 g/t Au over 192.48 m

Ended in mineralization with the final 5.00 m at 2.45 g/t Au; total hole length 297.48 m (diamond core drill hole)

CMD25-023

2.33 g/t Au over 10.00 m, within 1.09 g/t Au over 29.00 m, all within

0.59 g/t Au over 120.00 m

Diamond core drill holes; total hole length 306.63 m

CMD25-019

0.82 g/t Au over 52.00 m, and 1.18 g/t Au over 25.00 m, and 0.92 g/t Au over 26.00 m, and 0.92 g/t Au over 29.00 m, all within

0.58 g/t Au over 186.06 m

Diamond drill core total hole length 303.58 m

CMR25-118

5.18 g/t Au over 4.57 m, within

2.08 g/t Au over 12.19 m

Ended in in mineralization; total hole 48.77 m (RC drill)

CMD25-018

0.86 g/t Au over 23.00 m, and 0.86 g/t Au over 17.00 m, all within

0.49 g/t Au over 141.00 m

Ended in mineralization; total hole length 361.00 m (diamond drill core)

CMD25-025

0.77 g/t Au over 22.65 m, all within

0.44 g/t Au over 144.00 m

Ended in mineralization; diamond drill core total hole length 352.96 m

Chicken Mountain Video and Figures

Video: Please watch a video highlighting the 2025 drilling at Chicken Mountain: Click Here

to View Video

Maps: Drill plan maps and images can be found below and by clicking here to view: Click

Here to View Plan Maps and Images

2025 Drilling Successfully Transitions Chicken Mountain from Exploration Target into a Multi- kilometre Gold Resource Growth Opportunity

1. Scale & Continuity: Chicken Mountain is interpreted as a Reduced Intrusion-Related Gold System hosted within a receptive monzonitic intrusive complex. Drilling has defined a mineralized envelope measuring 3.3 km in strike, up to 700 m in width, and extending to 300 m vertical depth, see figure 1 and 2.

Multiple drill holes intersect ~275 m of continuous gold mineralization starting at surface and indicating a coherent body of mineralized rock, see figures 5 and 6.

While drilling to date has defined a significant envelope of mineralization, the broader Chicken Mountain system extends well beyond current drilling:

Gold-in-soil anomaly: ~4.0 km in length
Mapped intrusive (monzonitic) complex: ~4.5 km × 3.0 km
Geophysical intrusive footprint: ~6.5 km × 6.0 km

Untested Hornfels Target: The Chicken Mountain intrusion is surrounded by hundreds of metres of hornfels, a baked sedimentary rock that commonly hosts gold in intrusion-related systems. This prospective host rock remains entirely untested at Chicken Mountain but has been validated at Tectonic's Black Creek intrusion target, located 6 km from Chicken Mountain, where recent drilling intersected 4.50 g/t Au over 48.77 m, including 7.79 g/t Au over 24.38 m (see January 29, 2025, news release) confirming the fertility of hornfels units at Flat.

2. Unconstrained Growth Potential: Mineralization remains open in all directions and is constrained only by drilling, not geology.

3. 100% Drill Success Rate Continues: 191 of 191 Chicken Mountain holes intersected gold mineralization.

4. 61% of all drill holes (117 of 191 holes) ended in mineralization, including today’s reported drill holes CMD25-021, which ended in 5.00 m of 2.45 g/t Au, and CMR25-120 which ended in 4.57 m at 1.94 g/t Au implying the ultimate depth and strike of the system have not yet been bracketed.

5. Reduced Exploration Risk: With 100% of the drill holes intersecting mineralization, the exploration risk regarding continuity is reduced. The system appears to be targetable, robust, and pervasive.

6. Higher-Grade Internal Architecture: The identification of higher-grade corridors, 6 in total now across the 3.3 kms of drilled strike, within the broader lower-grade envelope warrants drill follow up, see figure 4. These zones have the potential to represent, mining starter-pit opportunities for early capex payback.

7. Two Strategic Fences Drilled and Reported Today:

Results reported from two drill fences L1 (4 core holes) and L2 (6 RC and 4 core holes) drilled across the Chicken Mountain intrusion.
Width of mineralization envelope along both drilled sections is 700 m.
Core drilling on both sections confirms mineralization to 300 m vertical depth and remains open.
Multiple holes ended in mineralization (see Tables 1 and 2), supporting potential for downdip and along-strike expansion.

Results Summary

A summary of the results released today for the 7 RC holes are presented by drill section in Table 1, and a summary of the 9 core results are presented in Table 2. Data pertaining to locations of drill holes included in the announcement are presented in Table 3. Full assay results for the 7 RC and 9 core results can be found at this link: Click Here for Full Assay Results.

Chicken Mountain Video and Figures: Please watch a video highlighting the scale and potential of the Chicken Mountain: Click Here to View Video

Drill Plan Maps and Images: Click Here to View. Select images below.

Exploration Outlook 2026

Chicken Mountain/Alpha Bowl Drilling:

Expansion and targeted drilling of six identified higher-grade corridors for grade-tonnage optimization.
Systematic step-out drilling to define system limits and test depth extensions.
Infill drilling to support maiden mineral resource estimate.

Regional Target Testing:

Follow-up expansion drilling at Black Creek (4.50 g/t Au over 48.77m), Golden Apex and Jam – each representing kilometer-scale intrusive targets.
Surficial geochemical sampling across the property.
Demonstrate Flat as a potential district-scale gold camp, not a single-intrusion story.

Technical De-Risking:

Metallurgical optimization additional testing, including column testing, to evaluate crush size reduction and ROM potential.
3D geological, geochemical, and structural modeling to refine drill targeting.
Continued engagement with independent mineral resource and engineering groups to advance pre-development studies.

To learn more about the 2025 Drill Programs, click here: Tectonic Metals Delivers Record 18,372 Metres Across 125 Drill Holes at Flat Gold Project, Alaska

Figure 1: Oblique view of Chicken Mountain and Alpha Bowl, drill results assays can be viewed at:

CLICK HERE TO VIEW FIGURE 1

Figure 2: Plan View, new drill results assays can be viewed at: CLICK HERE TO VIEW FIGURE 2

Figure 3: Long Section View Looking Northeast, drill results assays can be viewed at: CLICK HERE

TO VIEW FIGURE 3

Figure 4: Plan View of Chicken Mountain, highlighting the higher-grade corridors, drilling lines, drill results assays can be viewed at: CLICK HERE TO VIEW FIGURE 4

Figure 5: Cross Section Looking North of Drilling Line 1, highlighting drill results and higher grade corridors can be viewed at: CLICK HERE TO VIEW FIGURE 5 Figure 6: Cross Section Looking North of Drilling Line 2, highlighting drill results and higher grade corridors can be viewed at: CLICK HERE TO VIEW FIGURE 6

Table 1. Significant Highlights Chicken Mountain RC Drill Results Line 1*

Hole ID		From (m)	To (m)	Length (m)	Au (g/t)
CMR25-114		3.05	64.01	60.96	0.52
RC	including	13.72	59.44	45.72	0.62
TD=170.69m	with	25.91	48.77	22.86	0.92
End in Min: Yes	with	33.53	42.67	9.14	1.47
		80.77	97.54	16.76	0.43
	including	82.30	83.82	1.52	1.29
	and including	88.39	97.54	9.14	0.48
	with	96.01	97.54	1.52	1.83
		102.11	170.69	68.58	0.43
	including	105.16	138.68	33.53	0.51
	with	105.16	108.20	3.05	0.70
	and with	115.82	117.35	1.52	1.06
	and with	137.16	138.68	1.52	4.20
	and including	152.40	169.16	16.76	0.52
	with	163.07	164.59	1.52	1.80

*All reported intercepts are reported as downhole lengths, as insufficient data exists to determine true widths. Select composites utilizing 0.10, 0.30 or 0.50 g/t Au cut-off with a maximum 3.2m continuous (two sample) below the cutoff inclusion.

Table 1. Significant Highlights Chicken Mountain RC Drill Results Line 2*

Hole No.		From (m)	To (m)	Length (m)	Au g/t
CMR25-109		35.05	54.86	19.81	0.95
RC	including	39.62	47.24	7.62	2.17
L2
TD=82.97m
End in Min: No
CMR25-112		33.53	54.86	21.34	0.20
RC	including	33.53	35.05	1.52	0.50
L2	and including	42.67	44.20	1.52	0.79
TD=68.58m
End in Min :No
CMR25-115		0.00	16.76	16.76	0.20
RC	including	6.10	7.62	1.52	0.53
L2	and including	15.24	16.76	1.52	0.57
TD=99.06m
End in Min: No		36.58	41.15	4.57	0.35
		47.24	48.77	1.52	0.62
		59.44	74.68	15.24	0.31
	including	70.10	71.63	1.52	2.10
CMR25-117		16.76	19.81	3.05	0.92
RC	including	16.76	18.29	1.52	1.71
L2
TD=115.82		70.10	115.82	45.72	0.33
End in Min: Yes	including	77.72	80.77	3.05	0.63
	and including	105.16	112.78	7.62	0.76
	with	109.73	112.78	3.05	1.44
CMR25-118		0.00	12.19	12.19	2.08
RC	including	4.57	9.14	4.57	5.18
L2	with	4.57	6.10	1.52	14.35
TD=48.77mm
End in Min: No
CMR25-120		9.14	65.53	56.39	0.45
RC	including	24.38	25.91	1.52	3.26
L2	including	30.48	65.53	35.05	0.49

TD=124.97m	with	35.05	41.15	6.10	0.63
End in Min: Yes	and with	56.39	62.48	6.10	1.11
Final 4.57m @ 1.94 g/t Au
		70.10	115.82	45.72	0.50
	including	70.10	108.20	38.10	0.53
	with	73.15	86.87	13.72	0.77
	and with	94.49	103.63	9.14	0.59
		120.40	147.83	27.43	0.70
	including	120.40	121.92	1.52	5.58
	and including	141.73	147.83	6.10	1.08

Table 2. Significant Highlights Chicken Mountain Diamond Drill Core Assay Results Line 1*

Hole ID		From (m)	To (m)	Length (m)	Au (g/t)
CMD25-020		7.00	8.00	1.00	1.96
DD
TD=230.73		14.00	23.00	9.00	1.95
End in Min: Yes	including	20.00	23.00	3.00	5.53
	with	20.00	21.00	1.00	16.06
		29.00	39.00	10.00	0.40
	including	31.00	38.00	7.00	0.49
		66.00	69.00	3.00	0.50
		106.00	107.00	1.00	1.20
		117.00	149.00	32.00	0.72
	including	117.00	142.00	25.00	0.89
	with	120.00	136.00	16.00	1.09
		162.00	179.00	17.00	0.56
	including	170.00	173.00	3.00	2.56
		183.00	188.00	5.00	0.34
	including	187.00	188.00	1.00	1.21
		208.00	230.73	22.73	1.41
	including	209.00	226.00	17.00	1.81
	with	221.00	226.00	5.00	4.71

CMD25-025		28.00	35.00	7.00	0.36
DD	including	32.00	34.00	2.00	0.80
L1
TD=352.96m		78.00	90.00	12.00	1.48
End in Min: Yes	including	79.00	83.00	4.00	4.07
	with	81.00	82.00	1.00	14.91
		108.00	114.00	6.00	0.43
	including	109.00	112.00	3.00	0.73
		136.00	280.00	144.00	0.44
	including	156.35	195.00	38.65	0.64
	with	156.35	179.00	22.65	0.77
	with	161.00	173.00	12.00	0.92
	and with	188.00	195.00	7.00	0.60
	and including	213.00	215.00	2.00	0.59
	and including	219.00	229.00	10.00	0.62
	and including	263.00	264.00	1.00	1.47
	with	268.00	269.00	1.00	1.33
		285.00	339.00	54.00	0.25
	including	325.00	332.00	7.00	0.55
		337.00	338.00	1.00	1.40
		343.00	351.00	8.00	0.37
	including	348.00	349.00	1.00	1.46
CMD25-28		0.45	278.00	277.55	0.49
DD	and including	5.00	8.00	3.00	0.61
L1	and including	15.00	19.00	4.00	0.79
TD=327.96	with	52.00	70.00	18.00	0.83
End in Min: Yes	or with	52.00	63.00	11.00	1.02
	and with	76.00	78.00	2.00	1.63
	and including	86.00	99.00	13.00	0.67
	with	88.00	92.00	4.00	1.09
	and with	96.00	98.00	2.00	0.96
	and including	108.00	124.00	16.00	0.69
	with	109.00	115.00	6.00	1.31
	and including	128.00	131.00	3.00	0.77
	with	130.00	131.00	1.00	1.84
	and including	139.00	152.00	13.00	1.27

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