Heliostar Drills 101 Metres Grading 5.34 g/t Gold in the Ana Paula Expansion Zone
TSX.V: HSTR
OTCQX: HSTXF
Heliostar Drills 101 Metres Grading 5.34 g/t Gold in the
Ana Paula Expansion Zone
HIGHLIGHTS:
• Expansion Zone
o 101.0 m grading 5.34 g/t gold from 512.5m
o 8.75 m grading 9.11 g/t gold from 484.65m
o 27.2 m grading 2.26 g/t gold from 647.0m
o 7.15 m grading 6.98 g/t gold from 464.3m
• Headline intercept open to north and south
• Results pending from an additional five holes in the Expansion Zone
Vancouver, Canada – April 9 , 202 6 – Heliostar Metals Ltd. (TSX.V: HSTR, OTCQX: HSTXF, FRA: RGG1)
(“Heliostar” or the “Company”) is pleased to announce additional results from the Expansion Zone at its
100% owned Ana Paula project in Guerrero, Mexico. Drilling in this area is testing the down-dip extension
of the current Ana Paula resource envelope.
Heliostar CEO, Charles Funk, commented, “The results reported today continue to increase our confidence
that the high-grade deposit at Ana Paula continues at depth. The success of the program so far has been
twofold – continuing to hit impressive broad intervals of high grade and providing additional data allowing
our team to refine the targeting model in the Expansion Zone. With two bodies of gold mineralization
beginning to be defined, the 101 m of 5.34 g/t gold in hole AP-25-374 builds on the previously reported
result of 25.45 m of 8.26 g/t gold also in the west pod. Today’s headline hit is open to the north and south
with assays pending for step-out drill holes.”
“We interpret Ana Paula to be higher in the same geological setting as its large neighbours in the Guerrero
Gold Belt. As such, we are keen to restart work on the mine decline in the second half of this year to
provide improved access for further potential resource extensions. We anticipate releasing additional
results from five holes drilled in the Expansion Zone within the quarter as assays are received.”
Drilling Program
Heliostar has completed 84 holes and 28,318 metres as part of its ongoing 20 25-26 drill program at Ana
Paula. The drill program is defining additional mineralization near planned underground mine
infrastructure through step-out drilling and continuing to explore at depth for down-plunge extensions of
mineralization in the Expansion Zone.
Today’s release covers six holes in the Expansion Zone drilled as part of the expanded 28,000m drill
program started in 2025. There are five holes from the Expansion Zone area awaiting assay results.
Where appropriate, these holes are also being used to collect rock strength data, hydrogeologic data and
samples for further metallurgical studies that will expedite bringing these zones into a future mine plan
in the upcoming Ana Paula Feasibility Study.
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Expansion Zone Drill Results Summary
Holes AP-25-374 and AP-25-377 were drilled in the western pod of mineralization in the Expansion Zone.
Hole AP-25-374 stepped out 20 metres to the east from nearby stopes proposed in the Preliminary
Economic Assessment (“PEA”) mine plan. It intercepted mineralization as modelled in the stope area, but
that mineralization continued approximately 80 metres deeper than predicted. The intercept shows
excellent potential to include additional high-grade material into a future mine plan from this area. The
hole has been followed up by AP-26-385, which is located 25 m to the north and is awaiting assays. The
101.0 m grading 5.34 grams per tonne (“g/t”) gold is a 36 m step out to the east of AP -13-215, which
returned 52.9 m at 5.21 g/t gold. Hole AP-25-377 was designed to infill a portion of inferred mineralization
currently in the PEA mine plan.
Holes AP-25-358, AP-25-365 and AP-25-368 were designed to test mineralization in the east pod of the
Expansion Zone. These holes successfully intersected intervals of gold mineralization above the 2.1 g/t
gold cut-off grade of the resource that supported the November 2025 Ana Paula PEA.
Mineralization is open to the north and south along an interpreted east-west-trending structure that
controls the high-grade mineralization, as well as at depth.
Figure 1: Cross-Section through newly reported hole AP-25-374
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Figure 2: Plan Map of the current drill program at Ana Paula
True widths are unknown. Mineralization at Ana Paula occurs as disseminations or vein stockworks with
variable controls including rock porosity, lithology and fault networks.
Drilling continues throughout the High Grade Panel and its less well-defined west edge, and the Expansion
Zone. Two of the drills have continued to target deeper inferred mineralization and the 250 m corridor
between the High Grade Panel and a northern exploration zone.
The next Ana Paula drill results are expected to be released in late April.
Drilling Results and Coordinates Tables
Hole Name From
(metres)
To
(metres)
Interval
(metres)
Au
(g/t)
Topcut
Au
(g/t)
Intercept Zone
AP-25-321A 396.65 418.0 21.35 1.89
and 590.95 594.55 3.6 7.81
AP-25-358 222.0 229.75 7.75 5.96 High Grade Panel
and 464.3 471.45 7.15 6.98 6.61 1
and 540.2 541.3 1.1 60.7
and 623.0 640.9 17.9 2.09
and 661.1 664.3 3.2 3.78
AP-25-365 484.65 493.4 8.75 9.11 4.02 2
and 557.8 567.05 9.25 2.12
and 647.0 674.2 27.2 2.26
AP-25-368 174.85 178.4 3.55 6.05 High Grade Panel
and 561.15 566.1 4.95 3.47
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and 596.8 598.0 1.2 25.4
AP-25-374 17.5 20.6 3.1 6.15 High Grade Panel
and 288.5 317.5 29.0 1.96 High Grade Panel
and 512.5 613.5 101.0 5.34 5.09 1, 3
including 580.0 613.5 33.5 8.98 8.50 1
AP-26-377 271.5 288.5 17.0 3.24 High Grade Panel
and 393.4 395.5 2.1 4.02
and 510.1 510.85 0.75 39.7 38.0 1
and 535.0 547.65 12.65 2.49
and 643.3 647.4 4.1 3.85
and 668.1 669.25 1.15 21.7
Table 1: Significant Drill Intersections. All intercepts are from the Expansion Zone target unless labelled. Drill
Holes are non-sequential due to multiple rigs drilling multiple targets at Ana Paula
1 Top cut to 38 ppm Au based on resource model domains
2 Top cut to 47 ppm Au based on resource model domains
3 Includes geotechnical samples assigned 0 g/t gold
Drilling Coordinates Table
Hole ID Easting
(WGS84 Zone 14N)
Northing
(WGS84 Zone 14N)
Elevation
(metres)
Azimuth
(°)
Inclination
(°)
Length
(metres)
AP-25-321A 410,124 1,998,161 928.4 180 -55 638.0
AP-25-358 410,180 1,998,179 907.2 180 -60 789.0
AP-25-365 410,205 1,998,207 903.3 180 -60 827.0
AP-25-368 410,179 1,998,227 908.3 180 -60 847.6
AP-25-374 410,106 1,998,171 932.8 180 -60 689.0
AP-26-377 410,054 1,998,155 954.4 177 -64 696.0
Table 2: Drill Hole Details
Ana Paula Preliminary Economic Assessment Note
Heliostar announced the results of a Preliminary Economic Assessment on November 6, 2025. References
to the results in this release are provided in greater detail here.
Quality Assurance / Quality Control
Drill core is PQ and HQ size, and the core is cut in half, with half sent for analysis. Core samples were
shipped to ALS Limited in Zacatecas, Zacatecas and Hermosillo, Sonora, Mexico, for sample preparation
and for analysis at the ALS laboratory in North Vancouver. The Zacatecas , Hermosillo , and North
Vancouver ALS facilities are ISO/IEC 17025 certified. Gold was assayed by 30-gram fire assay with atomic
absorption spectroscopy finish, and overlimits were analyzed by 30-gram fire assay with gravimetric finish.
Control samples comprising certified reference and blank samples were systematically inserted into the
sample stream and analyzed as part of the Company’s quality assurance / quality control protocol.
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Statement of Qualified Person
Stewart Harris, P.Geo., a Qualified Person, as such term is defined by National Instrument 43 -101 –
Standards of Disclosure for Mineral Projects, has reviewed the scientific and technical information that
forms the basis for this news release and has appro ved the disclosure herein. Mr. Harris is employed as
Exploration Manager of the Company.
About Heliostar Metals Ltd.
Heliostar is a growing gold producer with a goal to produce 500,000 ounces per year by the end of the
decade. The cash flow from the Company’s La Colorada Mine in Sonora and the San Agustin Mine in
Durango supports the development of its 100% owned pipeline of growth projects in Mexico and the USA.
These include the flagship Ana Paula development project in Guerrero, the Cerro del Gallo project in
Guanajuato, the San Antonio project in Baja Sur , the Goldstrike project in Utah and the Unga project in
Alaska.
FOR ADDITIONAL INFORMATION, PLEASE CONTACT:
Charles Funk
President and Chief Executive Officer
Heliostar Metals Limited
Email: [email protected]
Phone: +1 844-753-0045
Rob Grey
Investor Relations Manager
Heliostar Metals Limited
Email: [email protected]
Phone: +1 844-753-0045
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Cautionary Statement Regarding Forward-Looking Information
This news release includes certain "Forward–Looking Statements" within the meaning of the United States
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Forward-looking statements and forward–looking information relating to the terms and completion of the
Facility, any future mineral production, liquidity, and future exploration plans are based on management’s
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projects; and the Company’s ability to operate in a safe and effective manner and its ability to obtain
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