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PRESS RELEASE

from Murchison Minerals Ltd. (CVE:MUR)

Murchison Minerals Announces Assay Results From 2025 Diamond Drill Program At BMK VMS Deposit, All Holes Intersecting Significant Near-surface High-grade VMS Mineralization Including Precious Metals, Grades Up To 5.52% CuEq Or 21.97% ZnEq Including, 208g/

BURLINGTON, ON / ACCESS Newswire / February 4, 2026 / Murchison Minerals Ltd.

HIGHLIGHTS

  • Diamond drilling was Phase II of III of the Company's 2025 BMK Exploration Program (the "Program") (See October 2nd, 2025, News Release) at its 100%-owned BMK VMS Project in Saskatchewan, located approximately 175 km northwest of Foran Mining Corporations' Mcllvenna Bay VMS mine development (Figure 1);

  • All holes were drilled at the BMK VMS Deposit (the "Deposit") and intersected significant zinc-copper-lead-silver-gold (Zn-Cu-Pb-Ag-Au) mineralization (within the upper 150 m), testing 550 m of the total 1,100 m strike length of the Deposit (Figure 2);

  • Diamond drilling highlights:

  • BMK25-005 successfully targeted expansion of mineralization along strike to the south of the indicated domain, within in the upper 150 m of the Deposit. The hole intersected 14.23 m of total composite mineralization over five intervals from 113.34 m to 143.10 m (Table 2 & Figure 3), highlighted by:

  • 5.75 m (from 113.34 m to 119.09 m) grading 3.17% ZnEq or 0.80% CuEq (0.08g/t Au, 7.59g/t Ag, 0.39% Cu, 0.02% Pb, 0.86% Zn), including 0.52 m grading 13.04% ZnEq or 3.28% CuEq (0.34g/t Au, 21.70g/t Ag, 1.35% Cu, 0.03% Pb, 5.13% Zn);

  • 3.80 m (from 139.30 m to 143.10 m) grading 7.13% ZnEq or 1.79% CuEq (0.07g/t Au, 4.83g/t Ag, 0.34% Cu, 0.05% Pb, 5.21% Zn), including 1.60 m grading 11.52% ZnEq or 2.90% CuEq (0.14g/t Au, 3.80g/t Ag, 0.28% Cu, 0.05% Pb, 9.70% Zn);

  • BMK25-004 successfully targeted expansion of mineralization along strike to the north of the indicated domain, within in the upper 150 m of the Deposit. The hole confirmed an upper Zn-rich interval and discovered a lower Au-Ag-Pb rich interval, with 14 m of total composite mineralization over three intervals from 60.03 m to 82.00 m (Table 2 & Figure 4), highlighted by:

  • 5.68 m (from 68.0 m to 73.68 m) grading 3.98% ZnEq or 1.00% CuEq (0.4g/t Au, 5.55g/t Ag, 0.60% Cu, 0.04% Pb, 1.12% Zn), including 0.50 m grading 9.24% ZnEq or 2.32% CuEq (0.19g/t Au, 20.01g/t Ag, 1.74% Cu, 0.06% Pb, 0.5% Zn);

  • 6.82 m (from 79.18 m to 86.00 m) grading 4.99% ZnEq or 1.25% CuEq (0.35g/t Au, 37.74g/t Ag, 0.14% Cu, 0.88% Pb, 0.04% Zn), including 0.66 m grading 21.97% ZnEq or 5.52% CuEq (1.43g/t Au, 208g/t Ag, 0.14% Cu, 2.19% Pb, 0.08% Zn);

  • Phase II - Diamond Drilling: Comprised five holes totaling 853 m, targeting the Deposit (Table 2) and successfully achieved all objectives:

  • Objective I: Expansion of near-surface (<150 m depth) high-grade mineralization, amenable for potential open-pit mining;

  • Objective II: Testing for previously unidentified zones of cryptic precious metals (Gold and Silver) within the footprint of mineralization at the Deposit;

  • Objective III: Enhancing the understanding of the structural controls on mineralization identified by an on-going SRK structural study - with the end goal of de-risking future delineation and regional exploration drilling.

  • Phase III (November 2025 - Q1 2026): 3D Geological Modeling and data compilation - supporting target development and de-risking, in advance of the Company's 2026 exploration campaign;

  • The BMK Project comprises 859 km2 mineral claims, situated along the underexplored MacLean Lake Prospective VMS Belt, hosting the high-grade Deposit (Table 1) and numerous additional VMS showings along the 37 km long BMK Trend.

Table 1: BMK VMS Deposit - 2018 Mineral Resource Summary

Indicated Resources

Tonnes

Cu (%)

Zn (%)

Ag (g/t)

Pb (%)

Au (g/t)

Cu Eq. (%)

Zn Eq. (%)

Lower Zone

1,200,000

0.75

8.13

48

0.67

0.28

4.19

14.6

Upper Zone

900,000

0.6

5.7

28.52

0.24

0.17

2.87

9.98

Total

2,100,000

0.69

7.08

39.6

0.49

0.23

3.62

12.62

Inferred Resources

Tonnes

Cu (%)

Zn (%)

Ag (g/t)

Pb (%)

Au (g/t)

Cu Eq. (%)

Zn Eq. (%)

Lower Zone

2,700,000

0.55

4.88

29.02

0.42

0.14

2.59

9.02

Upper Zone

4,900,000

0.57

4.22

12.46

0.06

0.08

2.05

7.16

Total

7,600,000

0.57

4.46

18.42

0.19

0.1

2.25

7.85

The above mineral resource estimate for the Brabant-McKenzie VMS Deposit was prepared by an independent qualified person ("QP") Finley Bakker, P. Geo., and has an effective date of September 4, 2018. The NI 43-101 Technical Report named Technical Report on the Resource Estimate Update for the Brabant-McKenzie Property, Brabant Lake, Saskatchewan is available on the Company's website and on SEDAR. The Mineral Resource of the Brabant-McKenzie VMS Deposit was estimated based on metal prices of USD $1.20/lb Zn, $2.50/lb Cu, $1.00/lb Pb, $16.00/Oz. Ag, and $1,200/Oz. Au, and a USD exchange rate of $1.25. A Net Smelter Return (NSR) cut-off of $90/tonne and a 3.5% zinc equivalent based on above metal prices and an average recovery of 75% for all metals. Copper equivalent is in substitution for zinc equivalent and not in addition to. Equivalent Values in the table are calculated utilizing the following USD metal prices from Sept 19, 2025; $4.59/lb Cu, $1.31/lb Zn, $0.91/lb Pb, $42.24/Oz. Ag, and $3657.85/Oz. Au.

Table 2 - 2025 BMK Exploration Program Assay Results Diamond Drillholes

Hole ID

Includes

From(m)

To(m)

Length(m)

Au g/t

Ag g/t

Cu %

Pb %

Zn %

Zn Eq%

Cu Eq%

BMK25-001

60.50

62.75

2.25

0.06

7.12

0.21

0.01

0.08

1.63

0.41

67.43

73.20

5.77

0.04

9.53

0.44

0.04

1.83

4.34

1.09

Includes

69.50

70.50

1.00

0.05

7.64

0.58

0.08

4.31

7.27

1.83

Includes

71.70

72.70

1.00

0.06

28.10

0.81

0.02

5.02

10.31

2.59

BMK25-002

47.27

54.00

6.73

0.02

4.13

0.30

0.04

2.81

4.31

1.08

Includes

52.53

53.00

0.47

0.10

15.80

1.57

0.03

6.58

14.03

3.52

63.75

66.50

2.75

0.11

20.25

0.02

0.47

0.04

2.23

0.56

BMK25-003

115.87

120.25

4.38

0.03

8.40

0.45

0.02

0.77

3.18

0.80

Includes

115.87

116.37

0.50

0.20

30.30

1.52

0.06

1.03

9.72

2.44

Includes

119.75

120.25

0.50

0.04

27.70

1.64

0.02

4.43

12.79

3.21

123.25

127.50

4.25

0.06

8.92

0.49

0.03

2.28

5.00

1.26

Includes

124.80

126.47

1.67

0.13

17.46

0.90

0.03

5.64

10.78

2.71

BMK25-004

60.03

61.53

1.50

0.01

2.27

0.08

0.00

5.18

5.70

1.43

68.00

73.68

5.68

0.04

5.55

0.60

0.04

1.12

3.98

1.00

Includes

72.68

73.18

0.50

0.19

20.10

1.74

0.06

0.50

Murchison Minerals Ltd. Copper Gold Zinc BMK VMS Project
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