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First Scotia Drilling Defines Large Gold System

Operational Update11 February 2026MEXMaterials

mineralsexploration.com.au

12 February 2026


Waitekauri Gold Project, NZ

Large mineralised gold system identified

from first holes drilled at Scotia Prospect


Wide zones of gold mineralisation intersected in first holes below

historic gold workings at Scotia; First diamond hole at historic Jubilee

Gold Mine drilling ahead towards main target zone

Highlights

• The Company’s flagship Waitekauri Gold Project is located near Waihi on New

Zealand’s North Island and 4.5km directly along strike from OceanaGold’s 2.2Moz @

14g/t Au WKP deposit – which include the historic Scotia and Jubilee Gold Mines


• The Waitekauri Gold Project is only 8km west of OceanaGold’s Waihi Gold Mine

(+13Moz Au produced to date) and in the centre of a heavily gold-mineralised

structural corridor hosting four +1Moz gold deposits


• Two holes underneath the historic Scotia gold workings intersected wide zones of

mineralisation, in oxidised and altered dacite including:

o 94.4m @ 0.46g/t Au from 3.5m to 97.9m (see comments), including 3.9m @

5.53g/t Au from 94.0m to 97.9m (TGW002)

o 71m @ 0.52g/t Au from 30.0m to 101.0m, including 3.5m @ 5.02g/t Au from

97.5m to 101.0m (TGW002A)


• The Jubilee diamond drilling program is targeting historical underground trenching

results of up to 80.0g/t Au

1

, supported by historical drill data and new MEX rock

chip assays of up to 68.8g/t Au


• Another 13 holes are planned for Jubilee as part of the initial 3,000m diamond

drilling program at Waitekauri, with a second rig planned to start drilling in April-

May


• The prospectivity of Scotia and Jubilee has been further highlighted by more strong

assays from rock chip samples taken at both locations. Results include 68.8g/t Au

at Jubilee and 27.5g/t Au at Scotia South



1

https://wcsecure.weblink.com.au/pdf/UVA/02987512.pdf



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Minerals Exploration Limited (ASX: MEX, NZX: MEX) is pleased to announce strong

assays from its initial drilling at its flagship Waitekauri Gold Project in New Zealand.

Minerals Exploration Executive Director, Brett Mitchell said: “This is an outstanding

start to our maiden Waitekauri drilling program.

“While it is early days in the drilling program, these assays confirm the presence of high-

grade gold below historic workings at Scotia.”

”Geological modelling is being updated iteratively including a void model on the Jubilee

and regional prospects to allow accurate drill planning around and into workings where

required where it is interpreted high grades remain. This is normal operations in a

brownfield, high grade epithermal drill out as at Jubilee.

“We intend to drill another 13 holes at Jubilee with a second rig planned to commence

drilling at Jubilee in April. Once we have the full assay results and analysis from this

program, the Company will be planning a detailed follow up drill program for both Scotia

and Jubilee.”



Figure 1: Jubilee drilling program designed to target historical high grade zones





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Positive Drilling Results from first holes at Scotia Gold Prospect

TGW001 was the first hole drilled at Waitekauri in October 2025, with the diamond

program starting at the Scotia South prospect as it was the first hole granted full drilling

permits and with access approval with the private landowner at this location. The South

Scotia diamond hole TGW001 was a regional hole testing out-cropping quartz boulder

trend south of the Scotia central prospect, which had never been previously drill tested.

The drill hole was collared in post mineral andesitic sequence before reaching

intensively hydrothermally altered dacite at 57.0m depth. The drill hole encountered

massive fault zone from 141.6m to 171.2m depth and strongly clay/pyrite altered andesite

with calcite veinlets in 171.2m to 221.1m.

The second hole (TGW002) was drilled directly underneath the historic Scotia gold

workings and intercepted a significant wide zone of mineralisation from 9.0m to 97.9m.

TGW002 was terminated at 106.0m due to significant water ingress due to porous quartz

impacting core recovery from within the mineralised zone from 95.1m to 100.7m. The

decision was made to drill a second hole, TGW002A, from the same drill pad drilled to

191.2m final depth to attempt to generate good quality core for assaying.

TGW002A intersected the same geological sequence with satisfactory core recovery

(>90%). The assays reported in this release are from 30.0m to 128.0m downhole depth,

with the remaining 63.2m of core from TGW002A still pending. TGW002A confirmed the

presence of wide low grade mineralisation observed in the original TGW002 hole, with

the high grade 3.5m @ 5.02g/t Au interval from 97.5m to 101.0m.


Figure 2: TGW002 and TGW002A cross section



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Figure 3: TGW002A core tray photo, high-grade zone 3.5m @5.02g/t Au, 97.5m – 101.0m

Scotia Geology Summary and Follow Up Drilling Plans

Thick mineralised supergene mineralisation has been intersected at the Scotia prospect

by TGW002 and TGW002A drillholes. The mineralisation is hosted in hydrothermally

altered and oxidised dacite with common epithermal quartz-pyrite veinlets. High grade

intercept of 3.5m @ 5.02g/t Au from TGW002A (97.5m to 101.0m) is linked to a 45cm

wide banded quartz vein and a base of oxidation.



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An interpreted feeder structure at depth or along strike of the known low grade

stockwork remains the priority target for the follow up drilling programs at Scotia and

Scotia South.

Priority Jubilee Gold Project Drilling Program Underway

Following the completion of drilling at Scotia and Scotia South, drilling commenced at

Jubilee in late January with the first hole, TGW003 and is now drilling ahead towards

its planned target depth of approximately 150m. The main mineralised zone is expected

to be intersected from approximately 80m and the rig is currently drilling ahead towards

this main target zone. The drill rig is averaging between 10m-12m per day, due to the

friable, mineralised nature of the core.

The Jubilee Gold Project is a historical mine located in the middle of the Company’s

Waitekauri project tenement, which represents the Company’s priority drilling prospect

at Waitekauri. Jubilee is directly south-west of the historical Golden Cross mine and

northeast of the Karangahake mine, in the centre of the NE-SW structural trend that

also hosts the +2.2Moz Au (at 14.3g/t Au)

2

deposit at WKP, developed by OceanaGold

Corporation (OceanaGold).

The historical Jubilee Gold Mine produced approximately 29koz Au+Ag bullion @ 48g/t

Au+Ag

3

, and the focus of the drilling program is to define depth and strike extensions

of the known ore body from the historical producing ore zones.

The priority drill targets at Jubilee were generated by the Company’s technical team

from historical mining reports, drill database of previous project operators, historical

high grade underground trenching results and interpretations of surface observations

(Figure 1).

New High Grade Rock Chips assays delivered from Jubilee and Scotia


Figure 4: Rock chip samples TGR0020 (left) 27.5g/t Au from Scotia South and TGR0013

(right) 68.8g/t Au from Jubilee





2

https://oceanagold.com/operations/reserves-and-resources

3

Downey, J.F., 1935, Gold mines of the Hauraki district: Wellington, New Zealand, Government Printer, 315 p.



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Sample ID Project Prospect Au Ag NZGD E NZGD N

FAA505 IMS12R

TGR0006 Waitekauri Jubilee 17.3 6.7 5859379 1844235

TGR0007 Waitekauri Jubilee 2.45 1.3 5859393 1844254

TGR0008 Waitekauri Jubilee 7.35 4.9 5859393 1844254

TGR0009 Waitekauri Jubilee 5.01 32.6 5859393 1844254

TGR0010 Waitekauri Jubilee 0.27 3.3 5859393 1844254

TGR0011 Waitekauri Jubilee 0.3 0.5 5859393 1844254

TGR0012 Waitekauri Jubilee 1.92 29.3 5859386 1844249

TGR0013 Waitekauri Jubilee 68.8 100 5859396 1844260

TGR0014 Waitekauri Scotia 0.36 0.4 5859405 1845550

TGR0015 Waitekauri Scotia 0.29 0.7 5859389 1845541

TGR0016 Waitekauri Scotia 0.25 0.8 5859373 1845487

TGR0017 Waitekauri Scotia 1.21 2.8 5859033 1845436

TGR0018 Waitekauri Jubilee 3.21 1.9 5859393 1844254

TGR0019 Waitekauri Jubilee 2.51 1.4 5859391 1844249

TGR0020 Waitekauri Scotia-South 27.5 100 5858667 1845067

TGR0021 Waitekauri Scotia-South 0.02 0.3 5858667 1845067

TGR0022 Waitekauri Scotia-South 0.38 1.2 5858667 1845067

TGR0023 Waitekauri Grace Darling 0.17 94.3 5861543 1845868

TGR0024 Waitekauri Grace Darling 0.08 0.7 5861293 1845911

TGR0025 Waitekauri Grace Darling 0.04 5 5861543 1845868

TGR0026 Waitekauri Grace Darling 0.18 54.2 5861543 1845868

TGR0027 Waitekauri Grace Darling 0.02 8.2 5861543 1845868

TGR0028 Waitekauri Grace Darling 0.04 4.4 5861543 1845868

TGR0029 Waitekauri Grace Darling 0.02 1.5 5861543 1845868

TGR0030 Waitekauri Grace Darling 0.07 5.6 5861543 1845868

TGR0031 Waitekauri Grace Darling 0.07 7.2 5861543 1845868

TGR0032 Waitekauri Grace Darling 0.03 1.5 5861543 1845868

TGR0033 Waitekauri Grace Darling 0.22 5.9 5861543 1845868

TGR0034 Waitekauri Grace Darling 0.05 3.8 5861543 1845868

TGR0035 Waitekauri Grace Darling 0.2 8.4 5861543 1845868

TGR0036 Waitekauri Grace Darling 0.08 31.5 5861543 1845868

TGR0037 Waitekauri Grace Darling 0.09 4.2 5861543 1845868

TGR0038 Waitekauri Grace Darling 0.03 3.8 5861543 1845868

TGR0039 Waitekauri Grace Darling 0.01 2 5861543 1845868

TGR0040 Waitekauri Grace Darling 0.07 5.4 5861543 1845868

TGR0041 Waitekauri Grace Darling 0.12 30.6 5861543 1845868

TGR0042 Waitekauri Grace Darling <0.01 4.1 5861543 1845868


Table 1. New rock chips assays averaging 8 ppm Au for Jubilee (all assayed as per drill

core by Au Fire Assays FAA505 SGS Code and Silver IMS12R)


The Company is pleased to report it has received new rock chips assays from the

sampling program around Jubilee Vein, Scotia South and Grace Darling. Grace Darling is

located about 2.5km along NE strike of Jubilee Vein. Prospectivity of Jubilee is

highlighted with 68.8g/t Au and 17.5g/t Au rock chips from the near surface shallow

historical pits. Sampling at Scotia South returned up to 27.5g/t Au from nicely banded

quartz discovered in the float in nearby creek (Figure 4). This highlights the prospectivity

of the Scotia South prospect.



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Geochemical and geophysical surveys are planned to locate the source of high grade

float samples in this area.

Rock chip samples from the Grace Darling prospect returned anomalous Au grades up

to 0.45g/t Au (TRG0043) and are indicating possible strike extension of the Jubilee

mineralised system approx. 2.5km to the NE from the central zone.


Figure 5. Jubilee and Scotia drill hole and rock chip locations map

Waitekauri Gold Project Overview

The Waitekauri Gold Project covers 58km

2

in the Hauraki goldfield. The Waitekauri

tenement eastern boundary is located only 1km west of OceanaGold’s Waihi gold mine.

The Waitekauri project area displays the hallmarks of a major goldfield in a region with

a compelling mineral resource endowment, located in the middle of the

northeast/southwest structural trend that hosts numerous multi-million ounce

deposits including OceanaGold’s WKP, Karangahake and Golden Cross deposits.

The Waitekauri Gold Project is within an 18km long mineralised corridor hosting multiple

targets and historical workings and holds three high priority prospects for gold

exploration based on their historical gold production profile: Jubilee, Scotia and

Sovereign (Figure 6).



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Figure 6: Gold prospects occur in a defined NE-SW structural trend which extends from

the WKP discovery down through the Waitekauri Gold Project

-ENDS-

This announcement has been authorised by the Board of Minerals Exploration Ltd.

For enquiries contact:

Brett Mitchell Paul Armstrong

Executive Director Read Corporate

+61 8 6319 1900 +61 8 9388 1474

BMitchell@mineralsexploration.com.au






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About Minerals Exploration Ltd – NZ Gold Focused Explorer

Minerals Exploration Ltd (ASX/NZX: MEX) is implementing an aggressive brownfields

exploration strategy at its portfolio of New Zealand gold assets. These assets host

known high-grade mineralisation from historical production and exploration activities,

are located in the historical Hauraki and Otago Goldfields and sit close to major

deposits. The Company is led by Directors and Management with an outstanding track

record of exploration success and value creation and is dual-listed on the ASX and NZX.

Competent Person’s Statement

The information in this Report that relates to Exploration Results is based on

information compiled by Mr Jason Beckton, who is a Member of the Australian Institute

of Geoscientists. Mr Beckton, who is Director of Otagold Limited, a wholly owned

subsidiary of Uvre Limited, has sufficient experience which is relevant to the style of

mineralisation and type of deposit under consideration and to the activity which he is

undertaking to qualify as a Competent Person as defined in the 2012 edition of the

‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore

Reserves’. Mr Beckton consents to the inclusion in this Report of the matters based on

the information in the form and context in which it appears.

There is information in this announcement relating to exploration results which were

previously announced by the Company on 1 September 2025. Other than as disclosed in

the announcement, the Company confirms that it is not aware of any new information

or data that materially affects the information included in the original market

announcement.















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JORC Code, 2012 Edition – Table 1 Waitekauri, New Zealand

Section 1 Sampling Techniques and Data

Criteria JORC Code explanation Commentary

Sampling

techniques

• Nature and quality of sampling (eg cut channels,

random chips, or specific specialised industry

standard measurement tools appropriate to the

minerSGS Waihi under investigation, such as down

hole gamma sondes, or handheld XRF instruments,

etc). These examples should not be taken as

limiting the broad meaning of sampling.

• Include reference to measures taken to ensure

sample representivity and the appropriate

calibration of any measurement tools or systems

used.

• Aspects of the determination of mineralisation that

are Material to the Public Report.

• In cases where ‘industry standard’ work has been

done this would be relatively simple (eg ‘reverse

circulation drilling was used to obtain 1 m samples

from which 3 kg was pulverised to produce a 30 g

charge for fire assay’). In other cases more

explanation may be required, such as where there

is coarse gold that has inherent sampling problems.

Unusual commodities or mineralisation types (eg

submarine nodules) may warrant disclosure of

detailed information.

Rock chip grab samples were collected from outcrops, spoil

heaps and accessible surface soil assumed from the internal

workings.

Samples were taken to understand the style and tenor of

mineralisation prior to more detailed work being undertaken.



Drilling

techniques

• Drill type (eg core, reverse circulation, open-hole

hammer, rotary air blast, auger, Bangka, sonic, etc)

and details (eg core diameter, triple or standard

tube, depth of diamond tails, face-sampling bit or

other type, whether core is oriented and if so, by

what method, etc).

• Small diameter diamond drilling – approximately NQ and HQ

size


Drill sample

recovery

• Method of recording and assessing core and chip

sample recoveries and results assessed.

• Measures taken to maximise sample recovery and

ensure representative nature of the samples.

• Whether a relationship exists between sample

recovery and grade and whether sample bias may

have occurred due to preferential loss/gain of

fine/coarse material.


Logging

• Whether core and chip samples have been

geologically and geotechnically logged to a level of

detail to support appropriate Mineral Resource

estimation, mining studies and metallurgical

studies.

• Whether logging is qualitative or quantitative in

nature. Core (or costean, channel, etc)

photography.

• The total length and percentage of the relevant

intersections logged.

• The complete core is to be relogged.

Sub-sampling

techniques and

sample

preparation

• If core, whether cut or sawn and whether quarter,

half or all core taken.

• If non-core, whether riffled, tube sampled, rotary

split, etc and whether sampled wet or dry.

• For all sample types, the nature, quality and

appropriateness of the sample preparation

technique.

• Quality control procedures adopted for all sub-

sampling stages to maximise representivity of

samples.

• Measures taken to ensure that the sampling is

representative of the in situ material collected,

including for instance results for field

duplicate/second-half sampling.

• Whether sample sizes are appropriate to the grain

size of the material being sampled.

• ½ or ¼ core cut with a thin diamond blade (due to the small

diameter of the core)

• At this early stage no QC samples have been collected



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Criteria JORC Code explanation Commentary

Quality of assay

data and

laboratory tests

• The nature, quality and appropriateness of the

assaying and laboratory procedures used and

whether the technique is considered partial or total.

• For geophysical tools, spectrometers, handheld

XRF instruments, etc, the parameters used in

determining the analysis including instrument make

and model, reading times, calibrations factors

applied and their derivation, etc.

• Nature of quality control procedures adopted (eg

standards, blanks, duplicates, external laboratory

checks) and whether acceptable levels of accuracy

(ie lack of bias) and precision have been

established.

Samples are stored in the Waihi facility. Core in good

condition.

Assays will be carried out by SGS Waihi, an internationally

certified laboratory. Technique FAA303 was used with lower

detection limit of 0.01 and upper detection limit of 100 ppm Au.

The SGS FAA303 technique refers to the fire assay method

used for analyzing gold and platinum group elements (PGEs)

in high-grade ores. This technique involves several steps:

The sample is pulverized and mixed with a fluxing agent,

typically lead or nickel, to facilitate melting and separation of

the precious metals from gangue.


The sample is heated in a furnace, where it fuses and

separates into a "button" containing the precious metals.


The button is then subjected to cupellation, where the lead in

the button is oxidized and absorbed into a cupel, leaving a

metallic bead known as a prill.


The prill is analyzed for gold content by spectroscopy.


Verification of

sampling and

assaying

• The verification of significant intersections by either

independent or alternative company personnel.

• The use of twinned holes.

• Documentation of primary data, data entry

procedures, data verification, data storage

(physical and electronic) protocols.

• Discuss any adjustment to assay data.

• TGW002 and TGW002A are effective twinned holes albeit 002

was terminated at 106m due to poor ground conditions and

002A commenced diamond drilling at 30m.


Location of data

points

• Accuracy and quality of surveys used to locate drill

holes (collar and down-hole surveys), trenches,

mine workings and other locations used in Mineral

Resource estimation.

• Specification of the grid system used.

• Quality and adequacy of topographic control.

• Hole locations determined from historical records and

converted to NZD 2000 Grid.





Data spacing

and distribution

• Data spacing for reporting of Exploration Results.

• Whether the data spacing and distribution is

sufficient to establish the degree of geological and

grade continuity appropriate for the Mineral

Resource and Ore Reserve estimation

procedure(s) and classifications applied.

• Whether sample compositing has been applied.

• Nominal 2m and 1m spacing for NQ and HQ sampling.


Orientation of

data in relation

to geological

structure

• Whether the orientation of sampling achieves

unbiased sampling of possible structures and the

extent to which this is known, considering the

deposit type.

• If the relationship between the drilling orientation

and the orientation of key mineralised structures is

considered to have introduced a sampling bias, this

should be assessed and reported if material.

• No bias is believed to be introduced by the sampling method.


Sample security

• The measures taken to ensure sample security. • Samples were collected by Otagold NZ - MEX employed

personnel, bagged and immediately dispatched to the

laboratory by independent courier

Audits or

reviews

• The results of any audits or reviews of sampling

techniques and data.

• No audits or reviews of the data management system have

been carried out.


Section 2 Reporting of Exploration Results

Criteria JORC Code explanation Commentary

Mineral

tenement and

land tenure

status

• Type, reference name/number, location and

ownership including agreements or material issues

with third parties such as joint ventures, partnerships,

overriding royalties, native title interests, historical

sites, wilderness or national park and environmental

settings.

• Minerals Exploration Limited has 100% interest in Otagold

Ltd NZ (‘Otagold’), a company incorporated in New

Zealand

The laws of New Zealand relating to exploration and

mining have various requirements. As the exploration

advances specific filings and environmental or other



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Criteria JORC Code explanation Commentary

• The security of the tenure held at the time of reporting

along with any known impediments to obtaining a

license to operate in the area.

studies may be required. There are ongoing requirements

under New Zealand mining laws that will be required at

each stage of advancement. Those filings and studies are

maintained and updated as required by Uvre’s

environmental and permit advisors specifically engaged for

such purposes.

• The Company is the manager of operations in accordance

with generally accepted mining industry standards and

practices.

Exploration

done by other

parties

• Acknowledgment and appraisal of exploration by

other parties.

• The areas discussed have been mapped, geochemically

sampled (not reported) and drilled historically..

Geology

• Deposit type, geological setting and style of

mineralisation.

• Epithermal gold silver mineralisation in a volcanic

sequence..


Criteria JORC Code explanation Commentary

Drill hole

Information

• A summary of all information material to the

understanding of the exploration results including

a tabulation of the following information for all

Material drill holes:

o easting and northing of the drill hole collar

o elevation or RL (Reduced Level – elevation above

sea level in metres) of the drill hole collar

o dip and azimuth of the hole

o down hole length and interception depth

o hole length.

• If the exclusion of this information is justified on

the basis that the information is not Material and

this exclusion does not detract from the

understanding of the report, the Competent

Person should clearly explain why this is the

case.

• Drill Hole – Channel - Collar Information NZD 2000 Grid



Survey Information. Downhole surveys using continuous logging

equipment.






Data

aggregation

methods

• In reporting Exploration Results, weighting

averaging techniques, maximum and/or minimum

grade truncations (eg cutting of high grades) and

cut-off grades are usually

Material and should be stated.

• Where aggregate intercepts incorporate short

lengths of high grade results and longer lengths of

low grade results, the procedure used for such

aggregation should be stated and some typical

examples of such aggregations should be shown

in detail.

• The assumptions used for any reporting of metal

A minimum sample length is 1m generally but can be as low as

0.5m. Average sample length is 2m. No lower cut or bulk and

carry rules are applied apart from a minimum reported grade of

0.1 ppm Au. Yellow highlighted broad zones report above in

summary.



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equivalent values should be clearly stated.



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Criteria JORC Code explanation Commentary




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Criteria JORC Code explanation Commentary



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Criteria JORC Code explanation Commentary

Relationship

between

mineralisation

widths and

intercept

lengths

• These relationships are particularly important in

the reporting of Exploration Results.

• If the geometry of the mineralisation with respect

to the drill hole angle is known, its nature should

be reported.

• If it is not known and only the down hole lengths

are reported, there should be a clear statement to

this effect (eg ‘down hole length, true width not

known’).

• In general the holes have intersected the a supergene enriched

zone about narrow feeder structures with a main feeder

remaining the target of exploration in the Scotia area.

Diagrams

• Appropriate maps and sections (with scales) and

tabulations of intercepts should be included for

any significant discovery being reported These

should include, but not be limited to a plan view of

drill hole collar locations and appropriate sectional

views.

• The location and results received for the drill campaign are

displayed in the attached maps and/or tables.


Balanced

reporting

• Where comprehensive reporting of all Exploration

Results is not practicable, representative

reporting of both low and high grades and/or

widths should be practiced to avoid misleading

reporting of Exploration Results.

• Results for all samples collected in the past are displayed on the

attached maps and/or tables.

Other

substantive

exploration data

• Other exploration data, if meaningful and material,

should be reported including (but not limited to):

geological observations; geophysical survey

results; geochemical survey results; bulk samples

– size and method of treatment; metallurgical test

results; bulk density, groundwater, geotechnical

and rock characteristics; potential deleterious or

contaminating substances.

• No metallurgical or bulk density tests were conducted at the

project by MEX.

Further work

• The nature and scale of planned further work (eg

tests for lateral extensions or depth extensions or

large-scale step-out drilling).

• Diagrams clearly highlighting the areas of

possible extensions, including the main geological

interpretations and future drilling areas, provided

this information is not commercially sensitive.

• MEX continues out drilling the Project area at report date as per

the northern and southern extensions of both Scotia and Jubilee

prospects.

Data sourced from publicly available filings. Our datasets may not be complete. Automated analysis can produce errors. If you believe any data on this page is incorrect, please contact us at hello@nzxplorer.co.nz. For informational purposes only. Not investment advice.

Other issuers discussed similar conditions around this time

Matched by meaning across NZX announcement text, not keywords — based on our semantic index of announcement bodies.

  • RGI — Rua Gold Inc: RUA GOLD - Listing Materials
    2026-02-22

    10 New Glamorgan Claim ~15k hectares OceanaGold – Wharekirauponga (WKP) 1.37Moz @ 17.88g/t Au (Ind) 1 NPV5% $621 million and IRR of 24% 2 1: Source: OceanaGold Pre-Feasibility Study, December 11, 2024 2: Gold price of $2,400 per ounce OceanaGold – Waihi ~10Moz gold produced to…”