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Kalgoorlie Gold Project - Drilling Results

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Oracle Power PLC has announced the final assay results from its 2025 drilling program at the Kalgoorlie Gold Project, revealing continued shallow gold mineralization at the Northern Zone. Significant intercepts include 8m at 5.81 g/t Au from 46m in hole NZAC179 and 4m at 4.09 g/t Au from 54m in hole NZAC174, expanding the gold footprint and infilling the central Saddle area. The company is progressing towards a mining lease, with Native Title agreements signed and the Mine Development and Closure Plan advancing. Drilling is set to recommence on February 10, 2026, to further expand the shallow gold mineralization.

Full announcement

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Oracle Power PLC (AIM: ORCP), an international project developer, is pleased to announce the last of the 2025 drilling programme assay results with the last 16 drillholes at the Northern Zone Intrusive Hosted Gold Project ("Northern Zone" or the "Project"), located within the Company's Kalgoorlie Gold Project just 25 km east of Kalgoorlie in Western Australia (refer to Figure 1 for location). These results represent the final assays from the 2025 drilling programme. New results for the 2026 drilling campaign are expected to follow shortly after drilling recommences on 10 February 2026.

Highlights

  • Riversgold continues intersecting shallow gold mineralisation as it expands it gold footprint at the Northern Zone Gold Project near Kalgoorlie in Western Australia.
  • The balance of the 2025 drilling campaign has now been received, with a further 16 drillholes reported.
  • Gold mineralisation continues to expand the northeastern zone and infill the central Saddle area.
  • Significant results following on from previously announced selection intercepts, include:
· 4m @ 4.09 g/t Au from 54m (NZAC174) · 1m @ 4.15 g/t Au from 46m (NZAC174) · 1m @ 4.82 g/t Au from 43m (NZAC178) · 8m @ 1.23 g/t Au from 44m (NZAC188)· 8m at 5.81 g/t Au from 46m (NZAC179) · 7m at 3.48 g/t Au from 48m (NZAC181) · 5m at 3.13 g/t Au from 41m (NZAC170) · 4m at 2.28 g/t Au from 43m (NZAC182)
  • Conversion of the tenement to a mining lease continues on course with the Native Title agreements signing in December 2025 being a major step forward.[1]
  • The Mine Development and Closure Plan (MDCP) and the associated environmental assessments is progressing with Resource WA.
  • Rig booked for 10 February, to begin the 2026 drilling campaign to continue expanding the shallow gold footprint.

Naheed Memon, CEO of Oracle, commented:

"These latest results, the last of our 2025 drilling campaign, are excellent and continue to excite us and as we continue to enlarge the north-eastern zone gold mineralised zone, and more importantly have confirmed the continuity of the previously undrilled central saddle zone between the eastern and western mineralised zones. Our modelling suggests that this could constitute part of a ~600m wide zone of shallow oxide mineralisation overlying the Northern Zone porphyry system. I would also like to remind shareholders that we have drilled this porphyry to a depth of around 500m[2] and we anticipate deeper drilling after we start the mining process with MEGA Resources.

"Overall, the outcomes from the 2025 drilling have been very effective in enlarging the shallow, oxide gold footprint at our Kalgoorlie Gold Project, and to strengthen the MEGA Resources mining scenario for 2026[3]. We are consistently achieving the goal of making the Project bigger in the oxide zone and we will continue to make this shallow gold project significantly larger in Q1 and Q2. I look forward to updating shareholders as we progress the Project further."

The latest drill programme results (Tables 1-3) continue to successfully intersect the mineralised host porphyry over an increasing footprint and consistently validate the broader gold mineralisation model. Gold mineralisation continues to be intersected in the northeastern area, which remains open laterally and at depth (see Figure 2). The recent results have also successfully infilled the central Saddle area, in a previous undrilled area. A key SW-NE cross-section derived from 3D Leapfrog software is illustrated in Figure 3. The interpretation illustrates gold grade shells derived from all the significant intercepts reported to April 2025. The Leapfrog model will be updated in the next few weeks.

This drilling will be used by MEGA Resources in their mine planning for our joint plans to start mining in the first half of 2026.

<END>

Oracle Power PLC

Naheed Memon - CEO +44 (0) 203 580 4314

Strand Hanson Limited (Nominated Adviser & Broker)

Rory Murphy, Matthew Chandler, Rob Patrick +44 (0) 20 7409 3494

St Brides Partners Limited (Financial PR)

Susie Geliher, Will Turner +44 (0) 20 7236 1177

APPENDIX 1: Drilling Information

Table 1: Northern Zone Significant Intercepts from all 2025 grade control drill rig drillholes and extensional drill rig holes with previously reported results in grey.

Hole IDFrom (m)To (m)Width (m)Au g/tIntercept
NZAC146566591.339m @ 1.33 g/t Au from 56m , NZAC146
NZAC149454834.393m @ 4.39 g/t Au from 45m , NZAC149
including474810.93Including 1m @ 11.78 g/t Au from 47m , NZAC149
NZAC150485131.893m @ 1.89 g/t Au from 48m , NZAC150
NZAC150616651.755m @ 1.75 g/t Au from 61m (EOH) , NZAC150
including646623.49Including 2m @ 3.49 g/t Au from 64m (EOH) , NZAC150
NZAC151475140.834m @ 0.83 g/t Au from 47m , NZAC151
NZAC152475253.095m @ 3.09 g/t Au from 47m, NZAC152
NZAC152667260.726m @ 0.72 g/t Au from 66m (EOH), NZAC152
NZAC153323860.656m @ 0.65 g/t Au from 32m, NZAC153
NZAC15346471111m @ 11.0 g/t Au from 46m, NZAC153
NZAC153545620.742m @ 0.74 g/t Au from 54m, NZAC153
NZAC154627080.628m @ 0.62 g/t Au from 32m, NZAC154
NZAC154454611.11m @ 1.10 g/t Au from 45m, NZAC154
NZAC155495121.472m @ 1.47 g/t Au from 49m, NZAC155
NZAC156424971.587m @ 1.58 g/t Au from 42m, NZAC156
NZAC157333630.73m @ 0.70 g/t Au from 33m, NZAC157
NZAC157444621.322m @ 1.32 g/t Au from 44m, NZAC157
NZAC158384020.982m @ 0.98 g/t Au from 38m, NZAC158
NZAC159394011.011m @ 1.01 g/t Au from 39m, NZAC159
NZAC159616211.261m @ 1.26 g/t Au from 61m, NZAC159 (EOH)
NZAC160394561.616m @ 1.61 g/t Au from 39m, NZAC160
NZAC160606111.831m @ 1.83 g/t Au from 60m, NZAC160 (EOH)
NZAC161343510.991m @ 0.99g/t Au from 34m, NZAC161
NZAC162No significant Intercept
NZAC163No significant Intercept
NZAC164No significant Intercept
NZAC165No significant Intercept
NZAC166No significant Intercept
NZAC167No significant Intercept
NZAC168444512.101m @ 2.10 g/t Au from 44m, NZAC168
NZAC170414653.135m @ 3.13 g/t Au from 41m, NZAC170
NZAC170777812.941m @ 2.94 g/t Au from 77m, NZAC170
NZAC170949511.961m @ 1.96 g/t Au from 94m, NZAC170
NZAC171505331.313m @ 1.31 g/t Au from 50m, NZAC171
NZAC172363820.972m @ 0.97 g/t Au from 36m, NZAC172
NZAC172424312.101m @ 2.10 g/t Au from 42m, NZAC172
NZAC172616321.792m @ 1.79 g/t Au from 61m, NZAC172
NZAC173No significant Intercept
NZAC174464714.151m @ 4.15 g/t Au from 46m, NZAC174
NZAC174545844.094m @ 4.09 g/t Au from 54m, NZAC174
NZAC175No significant Intercept
NZAC176434411.061m @ 1.06 g/t Au from 43m, NZAC176
NZAC177No significant Intercept
NZAC178434414.821m @ 4.82 g/t Au from 43m, NZAC178
NZAC179465485.818m @ 5.81 g/t Au from 46m, NZAC179
NZAC180No significant Intercept
NZAC181485573.487m @ 3.48 g/t Au from 48m, NZAC181
NZAC182434742.284m @ 2.28 g/t Au from 43m, NZAC182
NZAC183No significant Intercept
NZAC184No significant Intercept
NZAC185No significant Intercept
NZAC186No significant Intercept
NZAC187No significant Intercept
NZAC188445281.238m @ 1.23 g/t Au from 44m, NZAC188
NZAC189No significant Intercept
NZAC190No significant Intercept
NZAC191No significant Intercept
NZAC192No significant Intercept
NZAC193No significant Intercept
NZAC194No significant Intercept

Table 2: Northern Zone Drill Collar Locations from the most recent drill 2025 programs.

Hole IDTypeMGA_EMGA_NElevation (m)Total Depth (m)Dip ( o )AZM_MGADate
NZAC146GC381899.86592682.5356.7660-9020/10/25
NZAC147GC381912.26592694.9356.8630-9021/10/25
NZAC148GC381919.86592682.5356.7660-9022/10/25
NZAC149GC381932.26592 694.9356.8600-9022/10/25
NZAC150GC381939.86592682.5356.8660-9023/10/25
NZAC151GC381952.26592694.9356.7660-9023/10/25
NZAC152GC381959.86592682.5356.7720-9024/10/2025
NZAC153GC381702.76592645.4356.4660-9025/10/2025
NZAC154GC381690.36592633356.4640-9025/10/2025
NZAC155GC3816986592620.6356.3600-9025/10/2025
NZAC156GC381705.66592608.2356.2630-9026/10/2025
NZAC157GC3816816592608.2356.3620-9026/10/2025
NZAC158GC381673.26592595.9356.3610-9027/10/2025
NZAC159GC381680.86592583.5356.2620-9028/10/2025
NZAC160GC3816956592592356.2610-9029/10/2025
NZAC161GC381643.76592546.4356.2650-9030/10/2025
NZAC162GC381651.36592534356.2690-9030/10/2025
NZAC163GC381663.76592546.4356.1680-9031/10/2025
NZAC164GC381671.36592534356.1630-9031/10/2025
NZAC165GC381676.16592558.7356.1660-901/11/2025
NZAC166GC381668.56592569356.1620-901/11/2025
NZAC167AC381782.86592917.7357.2380-9017/11/2025
NZAC168AC381795.16592929.9356.8630-9017/11/2025
NZAC169AC381807.66592942.4356.5750-9018/11/2025
NZAC170AC381858.86592965.4356.5990-9018/11/2025
NZAC171AC381846.56592953356.5720-9018/11/2025
NZAC172AC381834.36592940.9356.6880-9019/11/2025
NZAC179AC3817126592632356.3620-9024/11/2025
NZAC180AC3817206592658356.5600-9024/11/2025
NZAC181AC3817256592646356.4620-9025/11/2025
NZAC182AC3817396592658356.5690-9025/11/2025
NZAC183AC3817526592675356.6710-9026/11/2025
NZAC184AC3817336592673356.5650-9026/11/2025
NZAC173AC381784.66592891.2357.5590-9021/11/2025
NZAC174AC381810.96592889.1357.4710-9021/11/2025
NZAC175AC381840.86592860.7357.1710-9021/11/2025
NZAC176AC381851.56592873.2357.1810-9022/11/2025
NZAC177AC381863.96592885.6357.2770-9023/11/2025
NZAC178AC381876.36592898357.3580-9024/11/2025
NZAC185AC3817506592686356.6680-9027/11/2025
NZAC186AC3817146592674356.6660-9027/11/2025
NZAC187AC3817296592687356.6370-9027/11/2025
NZAC188AC3817096592688356.5630-9028/11/2025
NZAC189AC3817236592701356.6510-9029/11/2025
NZAC190AC3817426592701356.6600-9029/11/2025
NZAC191AC3816896592567356.1620-9029/11/2025
NZAC192AC3816966592555356620-9029/11/2025
NZAC193AC3816546592558356.2650-9030/11/2025
NZAC194AC3816836592545356.1620-901/12/2025

Table 3: Northern Zone assay results above 0.3 g/t Au from all drill holes

Hole IDDepth FromDepth ToWidthAu ppm
NZAC146565713.46
NZAC146575811.71
NZAC146585911.5
NZAC146596011.39
NZAC146606110.76
NZAC146626311.01
NZAC146636411.28
NZAC146646510.65
NZAC148474810.44
NZAC148606110.43
NZAC149424310.98
NZAC149454611.35
NZAC1494748111.78
NZAC150484912.04
NZAC150495013.33
NZAC150505110.3
NZAC150616210.5
NZAC150626310.66
NZAC150636410.59
NZAC150646514.26
NZAC150656612.72
NZAC151474812.01
NZAC151484910.52
NZAC151505110.59
NZAC152676810.69
NZAC152686910.37
NZAC152697010.49
NZAC152707111.47
NZAC152717210.91
NZAC153323310.46
NZAC153343510.3
NZAC153373812.9
NZAC1534647111
NZAC153545510.97
NZAC153555610.51
NZAC153606110.33
NZAC154323310.31
NZAC154343510.66
NZAC154353612.14
NZAC154373810.4
NZAC154394011.16
NZAC154454611.1
NZAC155313210.82
NZAC155404110.66
NZAC155495011.94
NZAC155505111
NZAC155535410.35
NZAC156323310.41
NZAC156424311.88
NZAC156434410.45
NZAC156454616.43
NZAC156464711.74
NZAC156484910.42
NZAC157333410.35
NZAC157343511.05
NZAC157353610.7
NZAC157444512.34
NZAC157454610.3
NZAC15834350.33
NZAC15838390.65
NZAC15839401.3
NZAC15934350.56
NZAC15939401.01
NZAC15949500.52
NZAC15961621.26
NZAC16035360.75
NZAC16039400.44
NZAC16040413.44
NZAC16044452.81
NZAC16060611.83
NZAC16127280.46
NZAC16128290.56
NZAC16134350.99
NZAC16142430.36
NZAC161272810.46
NZAC161282910.56
NZAC161343510.99
NZAC161424310.36
NZAC163353610.41
NZAC164424310.31
NZAC165363710.33
NZAC165404110.79
NZAC166353610.39
NZAC166383910.62
NZAC166606110.33
NZAC166616210.33
NZAC168272810.54
NZAC168444512.10
NZAC169353610.31
NZAC170414210.35
NZAC170424313.38
NZAC170444519.86
NZAC170454612.03
NZAC170777812.94
NZAC170888910.30
NZAC170899010.39
NZAC170939410.39
NZAC170949511.96
NZAC170979810.43
NZAC171404111.25
NZAC171414211.50
NZAC171424311.19
NZAC171454610.37
NZAC171656610.53
NZAC171676810.36
NZAC172363710.98
NZAC172373810.95
NZAC172404110.30
NZAC172424312.10
NZAC172616213.21
NZAC172626310.36
NZAC172868710.44
NZAC179394010.30
NZAC179414210.42
NZAC1794647114.67
NZAC179474810.95
NZAC179495010.46
NZAC1795051115.35
NZAC1795152112.48
NZAC179525311.17
NZAC179535411.17
NZAC179575810.46
NZAC180424310.33
NZAC180434410.37
NZAC1814849116.74
NZAC181495011.18
NZAC181505111.53
NZAC181515210.91
NZAC181545513.55
NZAC182434411.25
NZAC182444512.97
NZAC182464711.14
NZAC184424310.72
NZAC173363710.61
NZAC173575810.37
NZAC174464714.15
NZAC1745455115.49
NZAC174565710.31
NZAC174575810.47
NZAC174686910.40
NZAC175343510.33
NZAC175444510.79
NZAC176434411.06
NZAC177686910.58
NZAC177717210.32
NZAC177757610.70
NZAC177767710.45
NZAC178404110.41
NZAC178434414.82
NZAC186373810.66
NZAC186383910.42
NZAC188444518.19
NZAC188505110.74
NZAC188515210.46
NZAC189394010.82
NZAC191353610.30
NZAC191404110.85
NZAC192394010.94
NZAC193363710.30
NZAC193373810.59
NZAC193414210.35
NZAC194404110.97
NZAC194424310.79
APPENDIX 2: JORC INFORMATION
Section 1: Sampling Techniques and Data
(Criteria in this section applies to all succeeding sections)
CriteriaJORC Code explanationCommentary
Sampling techniquesNature and quality of sampling (eg cut channels, random chips, or specific specialised industry standard measurement tools appropriate to the minerals 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.Every metre drilled was placed on the ground. 6m composites were collected using a scoop method of sampling the coarse reject sample for the first 24m. 1m sampling using a rifle splitter was trialed on the clays, from 24m, with sampling deemed to create a high degree risk of smearing. The clays are not wet, but have a damp characteristic. A large metal scoop was used to sample between 70-90% of material from each metre drilled, to total between 2-3kg samples. Standard reference material, sample duplicates and blanks, were undertaken at 25m sample intervals. Samples were sent to the laboratory for crushing, splitting and analysis. Analysis was undertaken by Jinnings laboratories (Kalgoorlie) for gold assay by 50g fire assay.
Sub-sampling techniques and sample preparationIf 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.1m sampling using a rifle splitter was trialed on the clays, from 24m, with sampling deemed to create a high degree risk of smearing. The clays are not wet, but have a damp characteristic. A large metal scoop was used to sample between 70-90% of material from each metre drilled, to total between 2-3kg samples. Standard reference material, sample duplicates and blanks, were undertaken at 25m sample intervals. Samples were sent to the laboratory for crushing, splitting and analysis. The use of fire assay with 50g charge for all AC drilling provides a level of confidence in the assay database. The sampling and assaying are considered representative of the in-situ material. The sample size of 2-3 kilograms is appropriate and representative of the grain size and mineralisation style of the deposit.
Quality of assay data and laboratory testsThe 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.Jinnings (Kalgoorlie) were used for all analysis of drill samples submitted by Riversgold. The laboratory techniques below are for all samples submitted to Jinnings and are considered appropriate for the style of mineralisation defined within the Northern Zone Project area: Samples above 3Kg were riffle split. Pulverise to 95% passing 75 microns 50-gram Fire Assay (FA50A) - Au Duplicates, Standards and Blanks were used for external laboratory checks by RGL

Section 2: Reporting of Exploration Results

(Criteria listed in the preceding section also apply to this section)

CriteriaJORC Code explanationCommentary
Mineral tenement and land tenure statusType, 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. The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the area.The Northern Zone Project is comprised of one granted prospecting licence (P25/2651) which covers an area of 82 hectares, and is held in the name of Riversgold (Australia) Pty Ltd 80/100, Oracle Gold (WA) Pty Ltd 20/100. The JV documents are to be formalised by December 2025. Oracle will be required to contribute pro-rata or dilute.
Exploration done by other partiesAcknowledgment and appraisal of exploration by other parties.The majority of previous exploration in the area was by Northern Mining during 2007 to 2012 under the Blair North project, multiple small resource areas were identified at the George's Reward area to the south of P25/2651. Numerous gold intersections were recorded.
Data aggregation methodsIn 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 equivalent values should be clearly stated.Intersections are weighted average grades based on a 0.001 g/t Au cut-off with unlimited waste zones but with a targeted grade of 0.4-0.6g/t Au.
Relationship between mineralisation widths and intercept lengthsThese 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').The diamond drilling program in 2023 confirmed the apparent widths of mineralisation as being perpendicular to foliation and veining. Step out RC drilling to be the same as the diamond drilling. Mineralisation has been determined from structural logging to be horizontal and vertical drilling is therefore true width drilling.
Further workThe 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.· Follow up phases of drilling to further test strike to be undertaken. · Complete a maiden MRE

[2]

Cleaned text: letterheads, contacts and legal notices removed. View the original announcement ↗ · Company filings. Not investment advice.

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