Great Pacific Gold Provides Field Exploration Update at Wild Dog Project:
TSX-V: GPAC OTCQX: GPGCF GER: 0B3
www.gpacgold.com | 1
Great Pacific Gold Provides Field Exploration Update at Wild Dog Project:
Morgan Vein Channel Sampling Yields 19.3m @ 4.13 g/t AuEq, and
Magiabe West Follow-Up Channel Sampling Yields 8.0m @ 18.12g/t AuEq
(see highlights below for details)
March 16, 2026 – Vancouver, BC, Canada – Great Pacific Gold Corp. ("Great Pacific Gold," "GPAC," or
the "Company") (TSXV: GPAC | OTCQX: GPGCF | Germany: 0B3) reports high-grade results from follow-
up channel, rock-chip sampling and mapping completed at the Magiabe West vein discovery and the
emerging Morgan Vein system at its flagship Wild Dog Project (“Wild Dog” or the “Project”), located on
the island of New Britain, East New Britain Province, Papua New Guinea ("PNG").
A channel sampling program was designed to follow up the recently announced Magiabe West vein
discovery, where exceptionally high-grade rock-chip samples returned up to 137 g/t Au, 3.97% Cu and
76 g/t Ag, confirming the presence of high-grade polymetallic epithermal vein mineralization within the
southern portion of the Wild Dog Structural Corridor (see news release dated February 19, 2026). In
addition, field work in preparing the Morgan Vein for upcoming drill testing was conducted, including
trenching and vein mapping.
Highlights - Magiabe West Vein
• 8 metres at 18.12 g/t AuEq (17.10 g/t Au, 7.63 g/t Ag and 0.60% Cu), including 3 metres at 48 g/t
AuEq (45.26 g/t Au, 20.33 g/t Ag and 1.59% Cu) from channel sampling.
• New rock-chip sampling 85m southwest of the Magiabe West discovery yielded 1.3 g/t Au, 20 g/t Ag
and 0.93% Cu from a newly identified quartz–sulphide outcrop, indicating the Magiabe West vein
system is significantly more extensive than previously recognized.
Highlights – Morgan Vein
• Morgan Vein channel sampling returned 19.30 metres at 4.13 g/t AuEq (4.01 g/t Au, 6.0 g/t Ag and
0.03% Cu), including 2.5 metres at 30.68 g/t AuEq (29.90 g/t Au, 46 g/t Ag and 0.16% Cu).
• Mapping and sampling have expanded the Morgan Vein system from a historically defined ~200 m
long quartz vein to an approximately 850 m long NNE–SSW trending mineralized corridor,
representing more than a four-fold increase in the interpreted strike extent of the system.
"These results continue to demonstrate the scale and exploration potential of the Wild Dog Structural
Corridor. Ongoing mapping and sampling around Sinivit are revealing that the system is significantly
larger and more structurally complex than previously recognized, with multiple fertile parallel vein
systems emerging along this underexplored corridor” stated Callum Spink, VP Exploration.
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“Our team has been systematically revisiting historically mineralized areas through detailed field
mapping and sampling, and the discoveries at Magiabe West Vein and the emerging Morgan Vein
System west of Sinivit are direct outcomes of that work. Importantly, these targets share key geological
characteristics with the Sinivit target, including structural orientation, vein style and sulphide
mineralization, reinforcing the broader district-scale potential of the corridor.”
Figure 1: Pipeline of epithermal gold-copper targets on the Wild Dog Structural Corridor and the
location of the Magiabe Vein and Morgan Vein systems. Diamond drilling is continuing with Rig #1
deployed at the Kavasuki target and Rig #2 at Kasie Ridge.
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Figure 2: Plan map of the Magiabe and Morgan Vein prospects along the Wild Dog Structural Corridor,
showing surface geochemical results, mapped and inferred vein extensions, and their relationship to
Sinivit and Kavasuki.
Magiabe West Vein System – Follow-Up Mapping and Sampling
Recent fieldwork by the Company’s geological team focused on follow-up mapping and systematic
sampling south of the Magiabe West discovery, where previous rock-chip sampling (see news release
dated February 19, 2026) returned exceptional grades including:
• 137 g/t Au, 3.97% Cu, 76 g/t Ag;
• 123 g/t Au, 4.01% Cu, 66 g/t Ag, and
• 113 g/t Au, 2.47% Cu, 71 g/t Ag.
These earlier results demonstrated the presence of high-grade polymetallic epithermal mineralization
hosted within steeply dipping quartz–sulphide veins located approximately 700 metres southwest of the
Sinivit Deposit within the Wild Dog Structural Corridor (Figure 2).
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To further evaluate the extent and geometry of the Magiabe system, the Company completed
systematic channel and rock-chip sampling along strike and across adjacent structures. Channel
sampling across a trench exposure intersected an approximately 8-metre-wide zone of quartz–sulphide
veining and silicification. Within this interval, three consecutive one-metre channel samples returned
3.77 g/t Au, 41.1 g/t Au and 90.9 g/t Au, defining a high-grade mineralized shoot within the broader
structural corridor. The composite channel sample across the 8-metre interval returned 17.10 g/t Au,
7.63 g/t Ag and 0.60% Cu (18.12 g/t AuEq).
These results are consistent with epithermal vein systems, where high-grade mineralization commonly
occurs in discrete shoots within broader zones of quartz veining and hydrothermal alteration, and where
multiple high-grade shoots may occur within a single mineralized corridor.
Significant assay results from the Magiabe follow-up sampling include:
- WDGS260099: 41.1 g/t Au, 31 g/t Ag, 4.3% Cu
- WDGS260100: 90.9 g/t Au, 30 g/t Ag, 0.45% Cu
- WDGS260098: 3.77 g/t Au, 0 g/t Ag, 0.02% Cu
- WDGS260124: 1.3 g/t Au, 20 g/t Ag, 0.93% Cu
Figure 3: Plan map of the Magiabe and Magiabe West vein systems showing rock-chip sample locations,
interpreted vein trends and associated fault structures within the Wild Dog Structural Corridor.
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Structural interpretation indicates that the Magiabe vein system occurs at the intersection of northeast–
southwest and northwest–southeast structural corridors, where zones of dilation likely focused
hydrothermal fluid flow and led to the development of quartz–sulphide veins and associated silicified
structural zones.
These results confirm that quartz–sulphide mineralization continues along strike and within adjacent
structures, supporting the interpretation that the Magiabe area represents a broader mineralized
structural corridor rather than a single isolated vein, and highlighting the potential for additional high-
grade shoots along strike and at depth.
In addition, grab sample WDGS260124 (1.3 g/t Au, 20 g/t Ag and 0.93% Cu) indicates the vein extends
at least 85 metres to the south, with limited sampling highlighting potential for further discoveries along
this emerging structural corridor.
Figure 4: Hand specimen from the Magiabe West vein comprising a ~1 m thick quartz–sulphide vein
hosted within intensely sericite–illite–pyrite altered wall rock. Mineralization consists of approximately
9–10% disseminated to locally semi-massive chalcopyrite, pyrite and bornite with minor chalcocite.
The Magiabe West Vein System is characterized by:
• Northeast-striking, steeply dipping quartz–sulphide veins forming a coherent mineralized structural
corridor.
• Polymetallic sulphide mineralization including chalcopyrite, pyrite and bornite.
• Broad silicified structural zones locally exceeding several metres in width.
• Multiple intersecting vein sets developed along north–south and east–west trending structures.
• Location along the interpreted Magiabe caldera margin, a favourable structural setting for
epithermal mineralization.
Representative samples collected from the Magiabe West Vein Prospect are shown in Table 1 and the
photos in Figures 5 and 6.
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Figure 5: Rock-chip sample WDGS260099 from the Magiabe West Vein showing a clay-filled fault zone
with disseminated to locally massive pyrite, bornite and chalcopyrite (41.1 g/t Au, 31 g/t Ag, 4.3% Cu).
Figure 6: Rock-chip sample WDGS260100 from the Magiabe West Vein showing a fault-hosted, clay-
filled zone with disseminated to locally massive pyrite, bornite, and chalcopyrite (90.9 g/t Au, 30 g/t Ag,
0.45% Cu).
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Table 1: Channel sampling results from the Magiabe West Vein and Morgan Vein system showing an 8-
metre-wide vein zone containing a high-grade shoot defined by three consecutive 1-metre samples
grading up to 90.9 g/t Au.
Morgan Vein – Emerging Epithermal Corridor
Recent reconnaissance mapping and systematic sampling have expanded the Morgan Vein system into a
much larger mineralized corridor than previously recognised within the Wild Dog Structural Corridor.
Previously interpreted as an approximately 200-metre-long north–south striking quartz vein, recent
geological mapping, rock-chip and channel sampling indicates that the Morgan structure represents a
broader mineralized fault–shear corridor developed within the Wild Dog structural architecture. To
date, field mapping completed by the exploration team has delineated an approximately 850-metre-
long NNE–SSW trending mineralized corridor, representing more than a four-fold increase in the
interpreted strike extent of the system.
Channel sampling across the Morgan vein returned locally high-grade gold values, including 29.9 g/t Au,
46 g/t Ag and 0.16% Cu from channel sample WDGS250178 (Figure 7).
Figure 7: Rock-chip sample WDGS250178 from the Morgan Vein Prospect showing moderately oxidized
vein material comprising milky white and grey sulphidic quartz with limonitic iron oxide staining localised
along vein margins and fracture surfaces. The sample returned 29.9 g/t Au, 46 g/t Ag, and 0.16% Cu.
SAMPLEID FROM TO Interval (m) Au_ppm Ag_GA03_ppm Cu1_GA03_ppm
WDGS260095 0 2 2 0.02 0.00 29.00
WDGS260096 2 4 2 0.01 0.00 32.00
WDGS260097 4 6 2 0.06 0.00 36.00
WDGS260098 6 7 1 3.77 0.00 184.00
WDGS260099 7 8 1 41.10 31.00 42940.00
WDGS260100 8 9 1 90.90 30.00 4468.00
WDGS260101 9 10 1 0.50 0.00 33.00
WDGS260102 10 11 1 0.22 0.00 28.00
WDGS260104 11 12 1 0.02 0.00 48.00
WDGS260105 12 13 1 0.05 0.00 52.00
WDGS260106 13 14 1 0.21 0.00 25.00
WDGS260107 14 15 1 0.03 0.00 18.00
WDGS260108 15 16 1 0.01 0.00 76.00
MAGIABE W VEIN
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In addition to this high-grade result, multiple adjacent channel samples returned anomalous gold values,
including 0.54 g/t Au (WDGS250175), 0.16 g/t Au (WDGS250180), 0.15 g/t Au (WDGS250179) and 0.12
g/t Au (WDGS250173). These results demonstrate that gold mineralization occurs across a broader
structural corridor, with higher-grade shoots developed within the system.
Recent mapping also demonstrates the continuation of this structure toward the Kavasuki area, where
associated parallel vein sets and cross-cutting structures have been identified within the main fault–
shear corridor.
Table 2: Channel sampling results from the Morgan Vein showing a 19.30 metre-wide vein zone
containing a high-grade shoot defined by a 2.5 metre sample grading up to 29.90 g/t Au.
Located approximately 600 metres northwest of the Wild Dog Deposit, early geological interpretation
suggests the Morgan system represents a parallel mineralized structure to the Wild Dog vein system,
supported by several key geological similarities:
• Comparable strike orientation and structural geometry.
• Curvilinear vein geometries typical of epithermal vein systems.
• Spatial association with a coincident west-dipping resistivity lineament defined by MobileMT
geophysics.
Together, these characteristics suggest the Morgan Vein system forms part of a larger hydrothermal
system developed along the Wild Dog Structural Corridor, reinforcing the interpretation that the district
hosts multiple parallel epithermal vein systems developed along the 15-kilometre corridor.
SAMPLEID FROM TO Interval (m) Au_ppm Ag_GA03_ppm Cu1_GA03_ppm
WDGS250170 0 2 2 0.02 0.00 62.00
WDGS250171 2 4.8 2.8 0.05 0.00 48.00
WDGS250172 4.8 7.6 2.8 0.05 0.00 42.00
WDGS250173 7.6 9.2 1.6 0.13 1.00 28.00
WDGS250174 9.2 11.6 2.4 0.06 0.00 50.00
WDGS250175 11.6 13.9 2.3 0.54 0.00 51.00
WDGS250176 13.9 16.2 2.3 0.02 0.00 56.00
WDGS250177 16.2 18.7 2.5 0.05 0.00 58.00
WDGS250178 18.7 21.2 2.5 29.90 46.00 1600.00
WDGS250179 21.2 24.4 3.2 0.15 0.00 314.00
WDGS250180 24.4 26.9 2.5 0.16 0.00 145.00
MORGAN VEIN