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Kainantu Resources Announces Acquisition of Kili Teke Copper-Gold Project from Harmony Gold (PNG) Exploration Limited

Vancouver, B.C. – April 6, 2022 – Kainantu Resources Ltd. (“KRL” or the “Company”) (TSX-V: KRL, FSE: 6J0) is pleased to announce that it has entered into a definitive agreement with Harmony Gold (PNG) Exploration Limited (“HGEL”), a wholly-owned subsidiary of Harmony Gold Mining Company Limited (“Harmony”) to acquire 100% ownership of the Kili Teke Gold-Copper Project (“Kili Teke” or the “Project”) in Papua New Guinea (“PNG”) (the “Acquisition” or “Transaction”) . 

Kili Teke is a significant advanced exploration porphyry gold-copper project with an existing mineral resource, and potential for further re-optimization and discoveries to increase overall value.

Highlights:

  • KRL to acquire 100% of the Kili Teke project from HGEL:
  • advanced exploration Au-Cu project in premier region of PNG;
  • has an existing defined Inferred Mineral Resource of 237Mt @ 0.34% Cu (=0.8Mt Cu), 0.24g/t Au (=1.8Moz Au) and 168ppm Mo (=0.04Mt Mo), with an effective date of 30 June 2021;
  • over 36,000m of drilling completed to date;
  • significant exploration resource upside, with near surface, high-grade Au skarn mineralisation not yet included in the defined Mineral Resource;
  • potential for re-optimisation, bringing Kili Teke significantly closer to production as an open-pit mine to increase economic returns;    
  • Terms of Agreement:
  • initial cash consideration of US$1 million, payable in two instalments: US$500,000 on closing (targeted for May 31, 2022); and US$500,000 on receipt of post-closing regulatory approvals (expected in late 2022 or early 2023);
  • KRL intends to work towards a Preliminary Economic Assessment (“PEA”), then a Feasibility Study. If KRL views the Project positively at each step, KRL to make further payments to HGEL of US$3 million and US$4 million respectively;
  • KRL to pay HGEL a 1.5% net smelter royalty from future mine revenue;
  • potential for Harmony to become a strategic investor in KRL under the Transaction, with HGEL to be issued warrants equal to 9.9% of the issued share capital of KRL on closing (with each warrant exercisable at C$0.28 per share or a 25% premium to the KRL 30-day VWAP to April 5, 2022).

Matthew Salthouse, CEO of KRL, commented:

“We are delighted to announce the acquisition of Kili Teke which aligns with our strategy of building shareholder returns by executing value accretive acquisitions.  In this regard, our extensive due diligence indicates Kili Teke will be a transformative and accretive acquisition for KRL and will elevate our asset portfolio, adding an established gold copper resource which has potential for significant growth.”

“The Project lies on the highly prospective Papuan Fold Belt which hosts world class projects, such as Ok Tedi, Frieda River and Porgera.  We look forward to exploring and developing another potential world class project for the region.”

“This transaction moves KRL from a greenfield high potential explorer into being a resource development company with upside.  For a junior to achieve this after a year of listing is a testament to the team’s vision on growing KRL via accretive transactions in combination with on-going field work.

HGEL has already made excellent progress to date in developing the Project, delineating an impressive copper gold resource of 800Kt copper and 1.8Moz gold; with the deposit remaining open to the southeast and down depth.  Through the grant of warrants to acquire equity in KRL of up to 9.9%, HGEL has an option to engage further.”

“KRL will continue to deliver on our strategic objectives with Kili Teke a key catalyst in driving shareholder value as we develop as an Asia Pacific gold-copper mining company.


Johannes van Heerden, CEO for Harmony South East Asia and senior executive for New Business at Harmony Gold Mining Company Limited commented:

“Harmony remains focused on permitting and delivering the much anticipated Wafi-Golpu project alongside its existing Hidden Valley mine life extension project. In addition to these on-going projects, Harmony has identified additional potential growth opportunities in and around the Hidden Valley mine. These multiple workstreams demonstrate our long-term commitment to Papua New Guinea, and will require significant investment and management resources over the next 5 years. We believe it makes strategic sense for the Kili Teke exploration project to continue with dedicated focus, allowing further value to be unlocked for all stakeholders in Papua New Guinea.”

Definitive Agreement

KRL and HGEL have executed a definitive agreement for KRL to purchase Kili Teke by way of an asset acquisition.  The acquisition is inclusive of the transfer of the Exploration Licence 2310 (“EL 2310”) and all associated assets and know-how, such as drill core, logs and data used to support the Mineral Resource. 

The initial acquisition price payable by KRL is US$1 million, payable by two instalments of (i) US$500,000 on closing of the transaction and (ii) $500,000 on receipt of post-closing regulatory approvals (expected in late 2022 or early 2023).    

Closing of the transaction is subject to customary closing conditions, including the approval of the TSX Venture Exchange (the “TSX-V”), PNG regulatory approval and registration of the sale agreement and all schedules to it, and KRL (at its discretion) raising financing of up to US$1 million.  The parties are targeting closing of the transaction by May 31, 2022, at which point KRL will assume 100% ownership of the Project. 

In future years, as the Project is advanced, KRL will move to complete a PEA.  If KRL publishes a PEA (at KRL’s discretion), then the Company will pay US$3 million to HGEL within six months of publication and move to complete a Preliminary Feasibility Study or Feasibility Study. 

If KRL completes and publishes such Preliminary Feasibility Study or Feasibility Study (at KRL’s discretion), then a further and final payment of US$4 million will be made to HGEL within six months of publication. 

In addition to the cash payments, KRL will grant HGEL a 1.5% net smelter royalty upon the commencement of commercial production in the future. 

KRL will also grant HGEL common share purchase warrants on closing of the Transaction exercisable for up to 9.9% of the Company’s issued share capital as of closing the Transaction, with each warrant being exercisable at an exercise price of C$0.28 per share, representing a 25% premium to KRL’s 30-day VWAP to April 5, 2022.  HGEL has also been granted anti-dilutions rights with respect to future financings of KRL to maintain its equity ownership in KRL.

The definitive agreement also contains other terms and conditions as are customary for a transaction of this nature. 

Strategic Rationale

The acquisition of Kili Teke will provide KRL with immediate ownership of a quality exploration project in a region well known to KRL management and stakeholders.  The Company views the acquisition as transformational for KRL, given the clear development nature of Kili-Teke (beyond early-stage greenfield exploration).   

Amongst other objectives, the Transaction:

  • allows KRL to incorporate a sizeable Au-Cu resource into the Company’s asset base, potentially enabling a re-rating of KRL in due course;
  • increases exposure to Cu as well as Au (in addition to KRL’s other exciting projects in Kainantu and May River);
  • moves KRL’s overall portfolio further along the development curve, given Kili Teke’s advanced stage; and
  • provides upside potential to KRL, with identified exploration targets and options to re-optimise the preliminary mining approach.

Project Overview

The Project comprises of EL 2310 and is located approximately 40km west-northwest of the Porgera Gold Mine, in the Koroba-Kopiago District of Hela Province, PNG.  EL 2310 was granted to HGEL in May 2014 and has been renewed three times.  The EL remains in good standing and is currently subject to a further renewal application at the end of the current term in May 2022.  Pending renewal, the EL remains on foot with KRL entitled to continue to explore the project as is customary under PNG mining law. 

An Inferred Mineral Resource of 237Mt @ 0.34% Cu (=0.8Mt Cu), 0.24g/t Au (=1.8Moz Au) and 168ppm Mo (=0.04Mt Mo), with an effective date of 30 June 2021 has been established by Harmony for the Project in accordance with the South African Code for the Reporting of Exploration Results, Mineral Resources and Mineral Reserves (SAMREC, 2016 Edition) (www.samcode.co.za), which is recognised and accepted for the purposes of National Instrument 43-101, Standards of Disclosure for Mineral projects (“NI 43-101”).  As part of the Transaction, KRL intends to file with applicable Canadian securities regulators and the TSX-V, within 45 days of this news release, an NI 43-101 compliant technical report in respect of the project.

In developing the Project, HGEL drilled 54 holes (for 36,325m), at an estimated cost of US$20 million.  With multiple work streams ongoing in PNG, Harmony has taken a strategic decision to sell the Project to KRL as a credible junior explorer to allow exploration on the project to continue with a dedicated focus.

Regional and Local Geology

The Project lies within the Papuan Fold Belt, a mixed terrane of limestone and clastic sediments which have been strongly folded and thrusted during the evolution of the New Guinea magmatic island arc, on the northern margin of the Australian tectonic plate. 

Numerous felsic and intermediate plutons, generated from the subducting Australian plate, are intruded into these sediments, and several are host to, or are associated with, large porphyry Au-Cu and epithermal Au deposits, respectively, including Ok Tedi (3.4Mt Cu, 12.5Moz Au*), Frieda River (12.9Mt Cu, 21.1Moz Au), Porgera (10.4Moz Au), and Mt Kare (2.1Moz Au).  *Pre-production figures.

These world-class ore deposits are all located close to major deep-seated transfer faults which accommodate lateral slip between adjacent segments of the Australian plate, as it moves northwards.  Kili Teke is located on the strike extension of a transfer fault and is highly prospective, as shown in Figure 1.

Figure 1: Kili Teke Regional Project Location

Kili Teke Regional Project Location

Kili Teke is hosted by a late Miocene (3.59±0.5Ma to 3.50±0.04Ma) multi-phase, intermediate-composition, intrusive complex (including diorite, microdiorite and hornblende porphyry lithologies), and associated breccias and skarns, as indicated in Figure 2.  The latter occur both within (along structures), and on the margins of the intrusive complex, in limestone host rock.

Figure 2: Kili Teke Geology

Kili Teke Geology

Mineralisation is exposed at surface.  This is of particular interest to KRL, as it indicates the upper part of the deposit could be mined via an open pit, even though part of the deposit is covered by a limestone cap.

Studies indicate the strongest mineralisation is developed as disseminated and vein infill chalcopyrite, with lesser bornite, pyrite, gold and molybdenum, in two classic, porphyry-style stockworks: the Northern and Southern Stockwork Zones (NSZ and SSZ).  Both of these high-grade zones are offset at depth by post-mineralisation faulting.  A single drill intercept, from KTDD013, reported 319m@0.8% Cu & 0.57g/t Au, which demonstrates that this is a significant deposit, with high-grade potential.

Several zones of high-grade skarn mineralisation are also recognised, but the drill density is insufficient to confirm continuity at this stage and they have been excluded from the current Mineral Resource estimate.  In due course, a priority for KRL will be further investigation of this skarn mineralisation.

The dominant alteration is an early potassic assemblage, composed of pervasive fine-grained biotite±K-feldspar±magnetite±sulphide (py+cp+mo).  This is overprinted in turn by a secondary potassic event, restricted to breccia zones, pervasive phyllic alteration (sericite±quartz±sulphide), and late-stage argillic to intermediate argillic alteration (kaolinite±smectite clays), also restricted to major fault zones.

Importantly, the controls on high-grade mineralisation have not been defined.  There remains residual upside potential to expand high-grade zones.

Potential Upside to the Mineral Resource Estimate

Since acquiring the Project in June 2014, HGEL has drilled 54 holes (for 36,325m), including 7 (for 3,683m) to test exploration targets.  Using all currently available data, an Inferred Mineral Resource of 237Mt @ 0.34% Cu (=0.8Mt Cu), 0.24g/t Au (=1.8Moz Au) and 168ppm Mo (=0.04Mt Mo) has been defined for the Project.    

Importantly, and as noted above, this defined Mineral Resource excludes all high-grade skarn intercepts because the drill density was considered insufficient to prove the continuity of these mineralised zones: see Figure 3, indicating the high-grade skarn area.  These remain a viable exploration target, and an opportunity to increase the metal inventory significantly. (The inclusion of skarn mineralisation in a previously reported Mineral Resource potentially added 11% and 10% more Cu and Au metal, respectively, to that estimate.) 

Figure 3: Kili Teke Project: High Grade Skarn Area

Kili Teke Project: High Grade Skarn Area

In addition to the deposit drill-out, in 2016 HGEL drill-tested 3 exploration targets close to Kili Teke.  Of interest is the Ridge Gold Anomaly (RGA) target, located within 1km of the main resource, which has not been adequately explored as yet.  This target was defined by surface geochemistry in stream sediments, and has subsequently been confirmed in soils and bedrock, via trench sampling (5m@0.37g/t Au & 0.77% Cu) and anomalous rock chips (up to 3.5g/t Au). The bedrock anomaly potentially extends beneath a limestone cap cover sequence, which means that RGA may be a much larger target than has been considered before.  This will be another area of focus for KRL with the likelihood of further drilling at this target. 

Concept Mining Study

A conceptual mining study has been completed for the Project (completed by Advisian, a consulting business of the WorleyParsons Group) to investigate the economic potential of an open pit and underground block cave development.  This study was independently reviewed by AMC in 2017.  KRL is keen to test the viability of an open pit operation.  Compared to Harmony as a smaller operator, KRL will consider ways to re-optimise the Project with a focus on higher grades and lower through-puts, with an open-pit approach as one way to potentially optimise economic value.

To date, desk top studies by KRL suggest that an open pit operation is potentially viable (with a robust economic return) on the definition of more high-grade ore.  In due course, this would require further infill drilling, focused initially on the two high-grade stockwork zones (NSZ and SSZ) and the marginal skarns; and any other features that can be targeted if the controls of mineralisation can be determined.   KRL expects further investigation on the viability of these options are part of the intended work towards a PEA and Feasibility Study.

Infrastructure, Logistics and Community Relations

Local infrastructure to support a new mine at Kili Teke is favourable.  The Hides gas power station, which supplies power to the Porgera Gold Mine, is 50km south of Kili Teke; and the largest sealed airstrip in PNG, at Komo, is 80km to the south (and there are dirt strips much closer, at Auwi and Tari).  The government has announced funding to build sealed roads between the local towns of Komo, Tari, Korobo and Mendi, all of which would serve a future mine at Kili Teke.

KRL stakeholders have significant experience operating in the Hela District where the Project is located.  Based on initial discussions with relevant community groups, KRL is confident it can develop a viable community programme at Kili Teke. 

Next Steps

KRL will continue to work co-operatively with the management of HGEL to obtain all necessary regulatory approvals to close the acquisition and consolidate the Project into KRL.

Although KRL remains fully funded in order to complete the Transaction in the short term, closing of the Transaction is subject to KRL raising financing of up to US$1 million (or waiving this condition).

Qualified Person

The scientific and technical information disclosed in this release has been reviewed and approved by Graeme Fleming, B. App. Sc., MAIG, an independent “qualified person” as defined under National Instrument 43-101, Standards of Disclosure for Mineral Projects.

About KRL

Kainantu Resources ‘KRL’ is an Asia-Pacific focused gold mining company with three highly prospective gold-copper projects, KRL South, KRL North and the May River Project. All projects are located in premier mining regions in PNG.

Both KRL North and KRL South show potential to host high-grade epithermal and porphyry mineralisation, as seen elsewhere in the high-grade Kainantu Gold District. The May River project is in close proximity to the world-renowned Frieda River Copper-Gold Project, with historical drilling indicating the potential for significant copper-gold projects. KRL has a highly experienced board and management team with a proven track record of working together in the region; and an established in-country partner.

Enquiries:

Kainantu Resources
Matthew Salthouse, Chief Executive Officer (Tel: + 65 8318 8125)
Callum Jones, Corporate Development Co-ordinator (Tel: + 61 450 969 697)
Email: info@krl.com.sg

IR / Financial PR: Camarco
Gordon Poole / Charlotte Hollinshead / Tessa Gough-Allen
Tel: +44(0) 20 3757 4980

Financial PR North America: Jemini Capital
Kevin Shum / Jerry Huang  Kevin@jeminicapital.com
Tel: +1 (212) 219-4680 | +1 (647) 725-3888 ext 702

For further information please visit https://kainanturesources.com/

Neither the TSX-V nor its Regulation Services Provider (as that term is defined in the policies of the TSX-V) accepts responsibility for the adequacy or accuracy of this release.

Disclaimer and Forward-Looking Information Mineralization hosted on adjacent and/or nearby properties is not necessarily indicative of mineralization hosted on the Company’s property. The data disclosed in this release relating to drilling results is historical in nature. Neither the Company nor a qualified person has yet verified this data and therefore investors should not place undue reliance on such data, and no representation or warranty, express or implied, is made by the Company, its affiliated companies, or any other person as to its fairness, accuracy, completeness, or correctness. This release contains forward-looking statements, which relate to future events or future performance and reflect management’s current expectations and assumptions. Such forward-looking statements reflect management’s current beliefs and are based on assumptions made by and information currently available to the Company. All statements, other than statements of historical fact, are forward-looking statements or information. Forward-looking statements or information in this news release relate to, among other things: expectations regarding completion of the Acquisition and the terms thereof, including timing, the results of Preliminary Economic Assessments and Feasibility Studies, further exploration activities or development programs on the Project, receipt of necessary regulatory approvals and the formulation of plans for drill testing; the effect of the Acquisition on KRL and its portfolio; further growth of the Project; timing of the renewal of EL 2310; the ability of the Company to raise financing; the description and viability of the Project; the preparation and filing of a NI 43-101 Technical Report; and the ability of the Company to deliver on its strategic objectives and create shareholder value.  These forward-looking statements and information reflect the Company’s current views with respect to future events and are necessarily based upon a number of assumptions that, while considered reasonable by the Company, are inherently subject to significant operational, business, economic and regulatory uncertainties and contingencies. These assumptions include; success of the Company’s projects; prices for gold remaining as estimated; currency exchange rates remaining as estimated; availability of funds for the Company’s projects; capital, decommissioning and reclamation estimates; prices for energy inputs, labour, materials, supplies and services (including transportation); no labour-related disruptions; no unplanned delays or interruptions in scheduled construction and production; all necessary permits, licenses and regulatory approvals are received in a timely manner; and the ability to comply with environmental, health and safety laws. The foregoing list of assumptions is not exhaustive.  The Company cautions the reader that forward-looking statements and information involve known and unknown risks, uncertainties and other factors that may cause actual results and developments to differ materially from those expressed or implied by such forward-looking statements or information contained in this news release and the Company has made assumptions and estimates based on or related to many of these factors. Such factors include, without limitation: fluctuations in gold prices; fluctuations in prices for energy inputs, labour, materials, supplies and services (including transportation); fluctuations in currency markets (such as the Canadian dollar versus the U.S. dollar); operational risks and hazards inherent with the business of mineral exploration; inadequate insurance, or inability to obtain insurance, to cover these risks and hazards; our ability to obtain all necessary permits, licenses and regulatory approvals in a timely manner; changes in laws, regulations and government practices, including environmental, export and import laws and regulations; legal restrictions relating to mineral exploration; increased competition in the mining industry for equipment and qualified personnel; the availability of additional capital; title matters and the additional risks identified in our filings with Canadian securities regulators on SEDAR in Canada (available at www.sedar.com). Although the Company has attempted to identify important factors that could cause actual results to differ materially, there may be other factors that cause results not to be as anticipated, estimated, described, or intended. Investors are cautioned against undue reliance on forward-looking statements or information. These forward-looking statements are made as of the date hereof and, except as required under applicable securities legislation, the Company does not assume any obligation to update or revise them to reflect new events or circumstances.

Drill hole ONED26-007 returns 12 m at 3.1 g/t Au, including 1 m at 18.1 g/t Au, at the new Megabe target; two rigs turning at Ontenu NE within the Osena Project, with a porphyry test being prepared at Ontenu Central; surface exploration and drill-target definition advancing at the Anga Project, adjacent to K92 Mining’s operation; reconnaissance at May River secures community consent and site access

Vancouver, British Columbia – June 16, 2026 – South Pacific Metals Corp. (TSXV: SPMC; OTCQB: SPMEF; FSE: 6J00) (“SPMC” or “South Pacific Metals” or the “Company”) is pleased to report new high-grade gold drill results from its Ontenu NE project and to provide a corporate update across its portfolio of gold-copper exploration projects in Papua New Guinea (“PNG”). Drill hole ONED26-007, the first hole testing the new Megabe target at Ontenu NE, returned 12 m at 3.1 g/t Au, including 1 m at 18.1 g/t Au. The Company has two diamond drills turning at Ontenu NE, within the Osena Project on the southwest border of K92 Mining Inc.’s Kainantu Gold Mine, while drill targeting is being finalised at the adjacent Ontenu Central prospect; surface exploration and drill targeting are underway at the Anga Project (northeast of, and adjacent to, K92); and field work is restarting at May River following a recent reconnaissance visit that secured community consent and confirmed site access.

Executive Chairman, Michael Murphy, commented:

“This is an important stretch for SPMC. Two rigs are turning at Ontenu NE, where our first hole into the new Megabe target has returned high-grade gold, a porphyry test is taking shape at Ontenu Central, and we have completed a reconnaissance visit to May River that secured community consent and site access. We built this position deliberately, and this is the stage where years of groundwork start to show up in the drill core.”

Figure 1: SPMC exploration progress and H2 2026 outlook, showing work completed across the portfolio through 2025 and anticipated activity and news flow at the Ontenu NE, Ontenu Central, Anga, Kili Teke and May River projects. Sequencing and timing are indicative only and subject to change.

OSENA PROJECT – Active Drilling

Ontenu NE is the engine of the current campaign. Two rigs are now turning, with Exploration Manager Octavio Garcia overseeing the program. The Company has drilled both the Onki target and the Jorkol vein system and is currently drilling newly identified NW-trending structures at Megabe (between Onki and Jorkol). Assays from the first Megabe hole, ONED26-007, have now been received and are reported below; holes ONED26-008 (Jorkol) and ONED26-009B (Megabe) have recently been completed and are pending assay results.

New High-Grade Gold at the Megabe Target

  • New high-grade gold zone intersected at the Megabe target, in the corridor between the Jorkol and Onki prospects at Ontenu NE.
  • 12 m @ 3.1 g/t Au and 15.4 g/t Ag from 185 m downhole, including 1 m @ 18.1 g/t Au and 84 g/t Ag.
  • Mineralisation hosted in NW-SE-striking fault breccia within metasediments — a comparable geological host and orientation to K92 Mining’s nearby Kora-Judd operations.
  • The Megabe area is located at Otitapa Creek, a notable source of alluvial gold mined by local artisanal miners.
  • Two drill rigs continue to operate at Ontenu NE; a second Megabe hole, ONED26-009, has been completed and dispatched to the laboratory for assay.

Hole ONED26-007 was the first hole into the Megabe area, which lies within a package of interlayered metasediments and porphyry rocks, proximal to the Onki Diorite contact, and is transected by Otitapa Creek. The hole intersected a recently surface-mapped NW-SE structure in the hanging wall of the main Megabe structure and returned 1 m @ 18.1 g/t Au within 12 m @ 3.1 g/t Au. Other assays within the intercept include up to 1,462 ppm copper and 84 g/t silver. Reported intervals are downhole (core) lengths; based on the interpreted orientation of the host structure relative to the drill hole, true width is estimated at approximately 30% of the downhole interval, preliminary and subject to confirmation by further drilling. Mineralisation is dominantly gold and silver associated with sulphides (mainly pyrite) within a fault breccia zone. The hole was terminated at 198.8 m.

Figure 2: Cross-section through hole ONED26-007 at the Megabe target, Ontenu NE.

Table 1 – Assay results from ONED26-007

Hole_ID

From (m)

To (m)

Intercept (m)

Gold (g/t)

Silver (g/t)

Copper (ppm)

ONED26-007

140

158

18

0.24

3

83

ONED26-007

185

197

12

3.10

15

540

INCLUDING:

      

ONED26-007

185

186

1

18.10

84

153

ONED26-007

186

187

1

0.99

4

71

ONED26-007

187

188

1

0.11

3

109

ONED26-007

188

189

1

0.04

2

93

ONED26-007

189

190

1

2.97

5

126

ONED26-007

190

191

1

1.48

14

1462

ONED26-007

191

192

1

0.69

18

1371

ONED26-007

192

193

1

1.03

14

1347

ONED26-007

193

194

1

0.17

7

830

ONED26-007

194

194.4

0.4

5.47

14

0.5

ONED26-007

194.4

195.2

0.8

4.33

15

375

ONED26-007

195.2

196

0.8

3.58

11

641

ONED26-007

196

197

1

3.18

7

104

Intervals are downhole (core) lengths. True width is estimated at approximately 30% of the downhole interval and is preliminary.

Figure 3: Regional geology and drill plan at the Ontenu Project.

The Ontenu NE Target Areas

Ontenu NE is a single project area that contains several distinct drill targets along one mineralised corridor. To date the Company has reported drilling from three of these — Jorkol, Onki and, for the first time in this release, Megabe.

Jorkol — the western target. Hosts gold-silver mineralisation in structurally controlled zones; drilling to date has returned assays up to 3.16 g/t Au (holes ONED25-001 and ONED26-001, -004 and -005).

Onki — the north-eastern target, centred on the Onki Diorite. Carries copper-gold porphyry-style and higher-grade vein mineralisation; drilling to date has returned peak assays of 9.92 g/t Au and 2.35% Cu (holes ONED26-002, -003 and -006).

Megabe — the new central target reported in this release, in the corridor between Jorkol and Onki and transected by the gold-bearing Otitapa Creek. First-hole results (ONED26-007) returned 12 m at 3.1 g/t Au, including 1 m at 18.1 g/t Au.

All three targets sit within the same NW-SE structural corridor, which the Company interprets as analogous to the setting of K92 Mining’s nearby Kora-Judd system.

Table 2 – Drill hole details

Hole ID

Target

Easting

Northing

Elev (m)

Length (m)

Azimuth

Dip

Assay Status

ONED25-001

Jorkol

365,693

9,295,361

1,771

318.8

45

-61

Received Au+Full ME

ONED26-001

Jorkol

365,745

9,295,652

1,762

400.0

235

-57

Received Au+Full ME

ONED26-002

Onki

366,382

9,296,303

1,817

348.8

290

-55

Received Au+Full ME

ONED26-003

Onki

366,254

9,296,133

1,823

401.9

290

-55

Partial Received preliminary Au-Cu-Ag

ONED26-004

Jorkol

365,667

9,295,561

1,769

171.1

347

-55

Received Au+Full ME

ONED26-005

Jorkol

365,667

9,295,561

1,760

123.0

0

-55

Received Au+Full ME

ONED26-006

Onki

366,261

9,296,122

1,851

304.0

93

-55

Received preliminary Au-Cu-Ag

ONED26-007

Megabe

366,147

9,295,620

1,824

198.8

325

-55

Received preliminary Au-Cu-Ag for part of hole.

ONED26-008

Jorkol

365,670

9,295,560

1,760

167

7

-56

Pending assay

ONED26-009

Megabe

366,160

9,295,800

1,889

371

220

-59

Pending assay

Ontenu NE Drill Program Highlights to Date

(see news release dated May 20, 2026)

  • Gold mineralisation confirmed in 7 of 8 holes at Ontenu NE. Seven holes for 2,804 m completed within the wider Osena Project area on the Kainantu Transfer Zone, the same regional structural corridor that hosts K92 Mining’s producing Kainantu gold-copper mine.
  • Onki Zone, hole ONED26-006: 92 m @ 0.34 g/t Au from 67 m, including 2 m @ 5.74 g/t Au, 1.49% Cu and 35 g/t Ag from 119 m (peak re-assay of 9.92 g/t Au and 2.35% Cu over 1 m).
  • Jorkol Zone, hole ONED26-001:5 m @ 0.77 g/t Au, 0.14% Cu and 19 g/t Ag from 203.5 m, including a 0.5 m peak sample assaying 3.16 g/t Au, 0.62% Cu and 96 g/t Ag with 602 ppm Bi — the strongest bismuth signature of the program. Elevated Bi-Te with Au is a recognised indicator of intermediate- to high-sulfidation epithermal systems.
  • Wide low-grade halos surrounding both high-grade peaks, with multi-element pathfinder signatures (As, Sb, Bi, Te) consistent with the upper levels of such a system.
  • Geological evidence of an intact, vertically zoned hydrothermal system at Onki. Probable phreatic breccia overlying an intensely silicified horizon, interpreted as a silica cap above a preserved system, implying the productive levels of the system may sit at depth, intact and as yet untested.
  • Ontenu Central advancing in parallel: a 2 km zoned alteration footprint with a classic porphyry signature and a relatively shallow (~400 m) porphyry target. Recently identified NW-trending mineralised zones overlying the northern margin of the porphyry signature continue to indicate the potential for K92 Mining Kora-Judd-style structures in the Ontenu area.
  • Two rigs now active: continued drilling at Ontenu NE, with ONED26-007 (Megabe) reported above and holes ONED26-008 and ONED26-009B pending assay; holes ONED26-010 and ONED26-011 in progress; and additional holes planned.

CEO Timo Jauristo commented:

“Our new hole at the Megabe target returned 12 m at 3.1 g/t Au, including 1 m at 18.1 g/t Au, finding gold in another one of the NW trending structures, within a fault-breccia setting similar to K92 Mining’s nearby Kora-Judd system. Our maiden holes had already confirmed that the Ontenu area hosts gold-copper mineralisation within these NW-trending structures, and the multi-element pathfinders are pointing us deeper and along strike, toward where we’d expect the higher-grade mineralisation to sit. With two rigs turning, the assays and the alteration are telling the story and guiding us towards the better parts of the system. We are looking forward to commencing drilling at Ontenu Central — where there are near-surface epithermal targets as well as the makings of a porphyry target at depth.”

Ontenu Central may be the most important target of the campaign. Partially completed detailed geological mapping has outlined three NW-trending mineralised zones overlying and along the northern margin of a 2 km zoned porphyry alteration footprint. The current program contemplates a minimum of three drill holes as a first-pass test of these new NW-trending trends. The Company is also planning a first hole of approximately 600 m to test the porphyry target, the top of which is interpreted at a relatively shallow depth of around 400 m.

The Company is conducting detailed geological mapping over both the Ontenu NE and Ontenu Central projects and has planned a drone-based LiDAR survey across the broader Ontenu area to further tighten the geological understanding and drill targeting.

ANGA PROJECT – Surface Exploration

SPMC’s Anga Project borders K92 Mining’s operations to the northeast, 1.5 km east of K92’s plant and 3 km along strike from K92’s Arakompa–Maniape vein systems. Within a 4 × 3 km footprint, coincident gold-in-soil and magnetic-low geophysical anomalies define prospective structural corridors. Mapping and rock-chip sampling at Golkona are continuing with the objective of locating the sources of these large soil anomalies and defining drill targets to test them. Previously reported Au-Cu-As-Ag soils anomalies up to 1,080 ppb Au, 3,397 ppm Cu, 2,160 ppb Ag and nearby stream-sediment pan concentrates including 281.8 ppm Au, 79.1 ppm Au, 64.9 ppm Au, and 51.6 ppm (see news release dated October 14, 2025). The Company recently commenced first-pass reconnaissance and sampling, which will continue.

Figure 4: Anga Project geophysics and soil geochemistry compilation, showing apparent conductivity (709 Hz), Au-in-soil anomalies, and mapped vein and shear structures along the SPMC-K92 property boundary. Target prospects (Golkona, Golkona South, Binano, Satup) and surface rock-chip results are annotated.

KILI TEKE PROJECT – 4.2 Moz AuEq Inferred Resource

SPMC’s wholly-owned Kili Teke Project in Hela Province hosts an NI 43-101 Inferred Mineral Resource of 4.2 Moz AuEq* (effective 18 November 2022), comprising 1.81 Moz Au, 802 kt Cu and 40 kt Mo, and remains the largest defined resource in the Company’s portfolio. Prior operator Harmony Gold completed extensive drilling and metallurgical testwork at the project; results outside the current resource include 7.8 m @ 12.98% Cu plus 11.75 g/t Au, with surface samples up to 27.5% Cu (see news release dated October 1, 2024).

* Au-equivalent contained ounces based on equal recoveries of Au and Cu only and prices of US$3,300/oz Au and US$4.45/lb Cu. Preliminary metallurgical testwork by Harmony Gold shows gold reporting to copper minerals, indicating the two can be co-recovered. Molybdenum is not included in the Au-equivalent figure.

MAY RIVER PROJECT – Data Compilation & Validation

May River is a district-scale gold-copper system adjacent to PanAust’s Frieda River deposit in PNG’s East Sepik region. Historical drilling at the project includes a copper-gold intercept of 19 m @ 11.47% Cu, 2.17 g/t Au (hole 010UF97) and gold intercepts of 109 m @ 1.53 g/t Au, 57 m @ 1.1 g/t Au and 58 m @ 1.5 g/t Au at the Skirasia prospect (holes 006SK98, 001SK98 and 011SK98), highlighting the scale and grade potential the Company is now working to advance (see news release dated October 30, 2024).

SPMC’s technical team recently completed a reconnaissance visit to the project, which set out to secure community consent for exploration, locate historical drill collars at the Skirasia prospect, and confirm site access — and achieved all three. Communities within proximity to the work area were consulted and briefed on the program, welcoming the Company to begin work.

At Skirasia, a target located within the broader Skygate Cu-Au Porphyry-Epithermal Trend, the team relocated four historical drill sites (one cemented collar and three drill pads) and recorded eight historical trenches and soil-sampling sites, with further historical holes still to be relocated. Field observations during the visit included active local alluvial mining, diatreme breccia, and highly deformed calcareous schist with secondary copper staining in creek float.

Access to the remote site was confirmed, and operational contacts were established with the PNG Defence Force, police, and PanAust at Frieda River. The reconnaissance positions May River for a renewed, community-supported exploration program, with planning for the Company’s first phase of exploration underway.

Figure 5: May River Project regional tenement map showing SPMC tenement boundaries over regional topography, prospect and target locations, historical drill-hole intercepts (including 010UF97: 19 m @ 11.47% Cu, 2.17 g/t Au and 006SK98: 109 m @ 1.53 g/t Au), existing and proposed access, and PanAust’s Frieda River deposit and proposed open pit to the southeast.

The Company will report further results from its ongoing drilling and exploration programs as they are received and reviewed.

Surface assay values referenced above are from selective rock-chip, grab and stream-sediment samples; such samples are selective by nature and are not necessarily representative of the mineralisation hosted on the Company’s properties.

Quality Assurance and Quality Control

All drill holes are logged on site by the Company’s geology team. Drill core (PQ or HQ) is half-cut, with samples secured and shipped to Intertek Laboratory in Lae, Papua New Guinea. Gold is assayed by 50 g fire assay with AAS finish (FA50/AA); copper and silver are assayed by 3-acid digest with AAS finish (PGGA03) at Intertek Lae (“preliminary” in Table 2 above). Sample pulps are subsequently sent to Intertek in Perth, Western Australia for multi-element ICP-MS analysis using a 4-acid digest (4A/MS) (“Full ME” in Table 2 above). Two certified reference materials (standards), one blank and one duplicate are inserted within each batch of 100 samples to monitor laboratory performance.

Qualified Person

The scientific and technical information disclosed in this news release is compiled by Company geologists and consultants and reviewed and approved by Darren Holden, BSc(Hons) (Geology), PhD, FAusIMM, a “Qualified Person” as defined in National Instrument 43-101 *Standards of Disclosure for Mineral Projects*. Dr. Holden is a Technical Advisor to the Company.

Marketing Agreement

The Company is providing supplemental disclosure to its news release dated June 5, 2026, in which it announced that it had entered into an online marketing agreement dated June 5, 2026, with i2i Marketing Group, LLC (“i2i”), pursuant to which i2i will provide corporate marketing and investor awareness services to the Company, including, but not limited to, content creation management, author sourcing, project management and media distribution (the “Agreement”).

The Company had agreed to an initial creation and media budget of US$300,000 (the “Initial Media Budget”) with services contemplated to commence on or about June 12, 2026, and continue until the Initial Media Budget had been fully expended. In order to comply with the policies of the TSX Venture Exchange, the Agreement has been amended to provide that the Initial Media Budget will cover a period of four months, with services contemplated to commence on or about June 22, 2026, subject to acceptance by the TSX Venture Exchange.

Following the initial four-month term, the Agreement may continue on a month-to-month basis for additional campaign expenditures as agreed upon by the parties in advance, subject to acceptance by the TSX Venture Exchange.

About South Pacific Metals Corp.

South Pacific Metals Corp. is an emerging gold-copper exploration company operating in the heart of Papua New Guinea’s proven gold and copper production corridors. SPMC has four exploration properties:

  • Ontenu (Osena) – Bordering K92 to the southwest. Drilling underway on K92-style targets with surface assays up to 21% Cu, 13.9 g/t Au, 645 g/t Ag and 73 g/t Au defining kilometre-scale corridors.
  • Anga – Bordering K92 to the northeast, along strike from K92’s Arakompa discovery; soils to 1,080 ppb Au, 3,397 ppm Cu and stream samples up to 8 g/t Au.
  • Kili Teke2 Moz AuEq* NI 43-101 Inferred Resource (effective 18 November 2022) containing 1.81 Moz Au, 802 kt Cu, & 40 kt Mo; results outside of resource include drilling 7.8 m @ 12.98% Cu plus 11.75 g/t Au, surface samples up to 27.5% Cu.
  • May River – District-scale system beside Frieda River; high-grade drilling includes 19 m @ 11.47% Cu, 2.17 g/t Au and 109 m @ 1.53 g/t Au.

* Au-equivalent contained ounces based on equal recoveries of Au and Cu only and prices of US$3,300/oz Au and US$4.45/lb Cu. Preliminary metallurgical testwork by Harmony Gold shows gold reporting to copper minerals, indicating the two can be co-recovered. Molybdenum is not included in the Au-equivalent figure.

SPMC common shares are listed on the TSX Venture Exchange (TSX.V: SPMC), the OTCQB Marketplace (OTCQB: SPMEF) and Frankfurt Stock Exchange (FSE: 6J00).

For further information please contact:

Michael Murphy, Executive Chairman

Tel: +1-604-260-0309

Email: info@southpacificmetals.ca

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautionary Note Regarding Forward-Looking Information

This news release contains “forward-looking information” within the meaning of applicable Canadian securities laws. Forward-looking information is often, but not always, identified by words and phrases such as “anticipates”, “expects”, “intends”, “plans”, “believes”, “estimates”, “may”, “could”, “would”, “will”, “potential”, “proposed”, “subject to” and similar expressions, or statements that certain actions, events or results “may”, “could”, “would” or “will” occur or be achieved. Forward-looking information in this news release includes, among other things, statements regarding the Company’s planned and ongoing drilling and exploration programs, the timing and expected results of those programs, the interpretation of geological, geochemical and geophysical data, the potential for mineralisation on the Company’s properties.

Forward-looking information is based on the Company’s current expectations, estimates, forecasts and projections, as well as assumptions that the Company considers reasonable as of the date of this news release. These assumptions include, among others: the continuity of mineralisation; the accuracy of the Company’s interpretation of geological, geochemical and geophysical data; the timing and results of planned and ongoing drilling and exploration; the timeliness of assay results from third-party laboratories; the Company’s ability to obtain and maintain required permits and regulatory approvals; the continued support of local communities and government stakeholders in PNG; the availability of equipment, personnel and consultants; continued access to project sites; and general business, economic and capital market conditions.

Forward-looking information is subject to known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to differ materially from those expressed or implied by such forward-looking information. These risks and uncertainties include, among others: risks inherent in mineral exploration and development, including that exploration may not result in the discovery of an economically viable mineral deposit; the risk that drilling results, assays and geological interpretations may not be indicative of the presence, continuity or grade of mineralisation; delays in receiving assay results or in the progress of exploration programs; the risk that historical results and third-party data may not be verified or replicated; uncertainties relating to mineral resource estimates, including the Kili Teke Inferred Mineral Resource; the risk that planned exploration activities may be delayed, modified, suspended or terminated; risks relating to title, permitting and access to mineral properties; risks relating to operations in Papua New Guinea, including political, security, infrastructure, community-relations and logistical risks; the Company’s ability to fund its business and exploration activities; commodity price volatility; currency fluctuations; and the other risks described in the Company’s public disclosure documents filed under its profile on SEDAR+.

Readers are cautioned not to place undue reliance on forward-looking information. The forward-looking information contained in this news release is made as of the date hereof, and the Company does not undertake any obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, except as required by applicable securities laws.