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Midnight Sun Initiates Exploration Across Solwezi Project

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Midnight Sun Mining (TSXV: MMA) (OTC: MDNGF) has launched its 2025 phase one exploration campaign at the Solwezi Project in Zambia. The program targets three key areas: Dumbwa, Kazhiba, and Mitu.

At Dumbwa, a 56-line kilometer IP geophysical survey will examine a 20-kilometer copper-in-soil anomaly. The Kazhiba program includes 4,000 meters of reverse circulation drilling across 125 holes for oxide copper exploration, plus 6-8 diamond drill holes totaling 1,000 meters targeting a newly identified 4x2 kilometer sulphide copper zone.

The Mitu campaign will collect approximately 1,800 Partial Ionic Leach samples along the entire trend to identify copper targets, followed by IP surveys and drilling later in the year. This comprehensive exploration approach aims to advance both oxide and sulphide copper targets across all three zones.

Midnight Sun Mining (TSXV: MMA) (OTC: MDNGF) ha avviato la sua campagna di esplorazione fase uno per il 2025 presso il Progetto Solwezi in Zambia. Il programma si concentra su tre aree chiave: Dumbwa, Kazhiba e Mitu.

Presso Dumbwa, un'indagine geofisica IP di 56 chilometri lineari esaminerà un'anomalia di rame nel suolo lunga 20 chilometri. Il programma di Kazhiba prevede 4.000 metri di perforazione a circolazione inversa su 125 fori per l'esplorazione del rame ossidato, oltre a 6-8 fori di perforazione con diamante per un totale di 1.000 metri, mirati a una zona di rame solfuro recentemente identificata di 4x2 chilometri.

La campagna Mitu raccoglierà circa 1.800 campioni di leach parziale ionico lungo l'intero trend per identificare i target di rame, seguita da indagini IP e perforazioni più avanti nell'anno. Questo approccio di esplorazione completo mira a far avanzare sia i target di rame ossidato che quelli di rame solfuro in tutte e tre le zone.

Midnight Sun Mining (TSXV: MMA) (OTC: MDNGF) ha lanzado su campaña de exploración fase uno para 2025 en el Proyecto Solwezi en Zambia. El programa se centra en tres áreas clave: Dumbwa, Kazhiba y Mitu.

En Dumbwa, se llevará a cabo una encuesta geofísica IP de 56 kilómetros lineales para examinar una anomalía de cobre en el suelo de 20 kilómetros. El programa de Kazhiba incluye 4,000 metros de perforación de circulación inversa en 125 agujeros para la exploración de cobre oxidado, además de 6-8 agujeros de perforación de diamante que totalizan 1,000 metros, dirigidos a una zona de cobre sulfurosa recién identificada de 4x2 kilómetros.

La campaña Mitu recogerá aproximadamente 1,800 muestras de lixiviación iónica parcial a lo largo de toda la tendencia para identificar objetivos de cobre, seguidas de encuestas IP y perforaciones más adelante en el año. Este enfoque integral de exploración tiene como objetivo avanzar tanto en los objetivos de cobre oxidado como en los de cobre sulfuros en las tres zonas.

Midnight Sun Mining (TSXV: MMA) (OTC: MDNGF)는 잠비아의 솔웨지 프로젝트에서 2025년 1단계 탐사 캠페인을 시작했습니다. 이 프로그램은 덤바(Dumbwa), 카지바(Kazhiba), 미투(Mitu)라는 세 가지 주요 지역을 목표로 하고 있습니다.

덤바에서는 56킬로미터의 IP 지구물리 조사로 20킬로미터의 토양 구리 이상을 조사할 예정입니다. 카지바 프로그램은 산화 구리 탐사를 위한 125개의 구멍에서 4,000미터의 역순환 굴착을 포함하며, 최근에 확인된 4x2킬로미터의 황화구리 지역을 목표로 하는 1,000미터의 다이아몬드 드릴 홀 6-8개도 포함됩니다.

미투 캠페인은 전체 트렌드에 걸쳐 약 1,800개의 부분 이온 침출 샘플을 수집하여 구리 목표를 식별하고, 이후에 IP 조사 및 굴착이 연말에 진행될 예정입니다. 이 종합적인 탐사 접근 방식은 세 가지 지역 모두에서 산화 및 황화 구리 목표를 발전시키는 것을 목표로 하고 있습니다.

Midnight Sun Mining (TSXV: MMA) (OTC: MDNGF) a lancé sa campagne d'exploration phase un pour 2025 sur le Projet Solwezi en Zambie. Le programme cible trois zones clés : Dumbwa, Kazhiba et Mitu.

À Dumbwa, une enquête géophysique IP de 56 kilomètres examinera une anomalie de cuivre dans le sol de 20 kilomètres. Le programme Kazhiba comprend 4 000 mètres de forage à circulation inversée sur 125 trous pour l'exploration du cuivre oxydé, ainsi que 6 à 8 trous de forage diamantés totalisant 1 000 mètres ciblant une zone de cuivre sulfure nouvellement identifiée de 4x2 kilomètres.

La campagne Mitu collectera environ 1 800 échantillons de lixiviation ionique partielle le long de toute la tendance pour identifier des cibles de cuivre, suivis d'enquêtes IP et de forages plus tard dans l'année. Cette approche d'exploration complète vise à faire avancer à la fois les cibles de cuivre oxydé et sulfure dans les trois zones.

Midnight Sun Mining (TSXV: MMA) (OTC: MDNGF) hat seine Erkundungskampagne Phase eins für 2025 im Solwezi-Projekt in Sambia gestartet. Das Programm konzentriert sich auf drei Schlüsselbereiche: Dumbwa, Kazhiba und Mitu.

In Dumbwa wird eine 56 Kilometer lange IP-geophysikalische Untersuchung eine 20 Kilometer lange Kupferanomalie im Boden untersuchen. Das Programm in Kazhiba umfasst 4.000 Meter Reverse-Circulation-Bohrungen über 125 Löcher zur Erkundung von oxidiertem Kupfer sowie 6-8 Diamantbohrlöcher mit insgesamt 1.000 Metern, die auf eine neu identifizierte 4x2 Kilometer große Sulfid-Kupferzone abzielen.

Die Kampagne Mitu wird etwa 1.800 partielle ionische Laugemuster entlang des gesamten Trends sammeln, um Kupferziele zu identifizieren, gefolgt von IP-Untersuchungen und Bohrungen später im Jahr. Dieser umfassende Erkundungsansatz zielt darauf ab, sowohl oxidierte als auch sulfidische Kupferziele in allen drei Zonen voranzubringen.

Positive
  • Comprehensive exploration program targeting three key areas simultaneously
  • Large-scale potential with 20km strike extent at Dumbwa copper anomaly
  • New 4x2km sulphide copper target identified at Kazhiba
  • Previous high-grade oxide copper mineralization confirmed in 2024 drilling at Kazhiba
Negative
  • Results from exploration program not guaranteed
  • Additional capital may be required for future exploration phases
  • Extended timeline before potential commercial production

Exploration Campaigns on Dumbwa, Kazhiba, and Mitu Targets Underway - To Include Drilling, Partial Ionic Leach Sampling and IP Survey

Vancouver, British Columbia--(Newsfile Corp. - April 2, 2025) - Midnight Sun Mining Corp. (TSXV: MMA) (OTC Pink: MDNGF) ("Midnight Sun" or the "Company") is pleased to announce that the 2025 phase one exploration campaign is now underway on the Company's Solwezi Project in Zambia. This phase of exploration has been designed to significantly advance all three of Midnight Sun's key target areas; Dumbwa, Kazhiba and Mitu. The exploration work will address sulphide copper targets at Dumbwa, and both oxide and sulphide copper targets at Kazhiba and Mitu, following up on known mineralization as well as brand-new targets generated in the 2024 exploration campaign at Kazhiba. 

Midnight Sun's President & CEO, Al Fabbro, states: "We have launched an aggressive exploration program, intended to rapidly advance all three of our key targets. While our approach to exploration is measured, methodical and concise, it is also cost effective, and we believe this phase of work can deliver maximum impact on those key targets and driving highly targeted follow-up drill programs at Dumbwa and Mitu. We are setting the stage for success at Dumbwa, with Kevin Bonel utilizing the same logical steps employed by his previous team at Lumwana, where they moved that analogous asset from tier-two to tier-one status in just 24 months, giving Barrick a world-class 1.62 billion tonne, 0.52% copper depositi. At Kazhiba, we are drilling to advance the scale of known oxide copper mineralization, and testing a large, brand-new target for sulphide copper mineralization. At Mitu, we are utilizing Partial Ionic Leach sampling to cover the entire mineralized trend, directing drilling later this year. This is an incredibly exciting time at the Solwezi Project, as we seek to transform ideas into discoveries, and pushing Midnight Sun to the next level."

*Graphics detailing the Dumbwa IP Survey, Kazhiba Oxide and Sulphide Copper Drill Plan, and Mitu Partial Ionic Leach Sampling Program are provided below.

Dumbwa Program Details:

An extensive dipole-dipole induced polarization ("IP") geophysical survey will be utilized to test the 20-kilometre strike extent of the Dumbwa copper-in-soil anomaly, to guide targeted drilling. This drilling will be scheduled to begin following the completion of the IP survey and interpretation of results. The survey is expected to produce an effective picture of the dip direction, depth of targeted geology, and correlation of the geochemical anomaly at surface with sulphide copper mineralization at depth. The survey will have a line spacing of 500 metres with variable lengths from one to two-and-a-half kilometres, for a total of 56 line-kilometres.

Kazhiba Program Details:

The results of the recently completed 2024 exploration program at Kazhiba confirmed high-grade oxide copper mineralization in drill intercepts, identified mineralized extensions to the initial oxide copper zone, and highlighted significant new sulphide and oxide copper targets (see news releases dated January 29th, 2025, and February 27, 2025). The 2025 phase one exploration campaign will follow up on the 2024 program, with continued drilling on extensions of the high-grade transported oxide copper blanket and addressing the new geochemical and geophysical targets with a combination of drilling and additional IP lines.

Approximately 4,000 metres of reverse circulation drilling across 125 holes is planned to both follow up on potential extensions of oxide mineralization indicated by the 2024 drill campaign as well as test the three new oxide copper targets identified by Partial Ionic Leach sampling.

Six to eight diamond drill holes totalling approximately 1,000 metres are planned on the recently identified ~four-kilometre by two-kilometre Kazhiba sulphide copper target. This target has demonstrated a significantly elevated copper signature in Partial Ionic Leach testing, coupled with high chargeability / low resistivity responses from IP geophysics, coinciding with a subtle traditional geochemical response, and situated in geology consistent with most deposits within the Zambian Copperbelt. This correlation of key characteristics has led the Company to theorize that this is a very strong target for the discovery of a copper mineralised stratigraphic unit and the potential sulphide source of the transported oxide material discovered on the Kazhiba License.

Mitu Program Details:

At Mitu, an extensive Partial Ionic Leach sampling program will be launched to test the entire Mitu Trend along the western flank of the Solwezi Dome. Given the positive results generated using Partial Ionic Leach sampling at Kazhiba, the Company plans to collect approximately 1,800 samples for Partial Ionic Leach analysis along the entire Mitu target trend. Mitu has similar regolith to Kazhiba, which is generally unresponsive to traditional geochemical analysis, so Partial Ionic Leach is expected to more effectively identify and track further copper targets.

Oxide and sulphide copper mineralization has previously been identified at Mitu, and the Partial Ionic Leach sampling program will cover all highly prospective geology, the results of which will drive a follow up IP survey to finalize drill targets on each of the identified mineralized zones for follow up drilling later in the year.

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Qualified Person: Darin Labrenz, P.Geo., a Qualified Person under NI 43-101, has reviewed and approved the technical data and contents of this release.

About Midnight Sun

Midnight Sun is focused on exploring our flagship Solwezi Project, located in Zambia. Situated in the heart of the Zambia-Congo Copperbelt, the second largest copper producing region in the world, our property is vast and highly prospective. Our Solwezi Project is surrounded by world-class producing copper mines, including Africa's largest copper mining complex right next door, First Quantum's Kansanshi Mine. Led by an experienced geological team with multiple discoveries and mines around the world to their credit, Midnight Sun's goal is to find and develop Zambia's next generational copper deposit.

ON BEHALF OF THE BOARD OF MIDNIGHT SUN MINING CORP.

Al Fabbro
President & CEO

For Further Information Contact:
Adrian O'Brien
Director of Marketing and Communications
Tel: +1 604 809 6890
Em: adrian@midnightsunmining.com

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 NEWS RELEASE.

This news release contains "forward-looking statements" within the meaning of the applicable Canadian securities legislation that are based on expectations, estimates, assumptions, geological theories, and projections as at the date of this news release. The information in this news release about any information herein that is not a historical fact may be "forward looking statements." Any statement that involves discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions, future events or performance (which may, but not always, include phrases such as "anticipates", "plans", "scheduled", "believed" or "intends" or variations of such words and phrases or stating that certain actions, events or results "may" or "could", "would", "might" or "will" be taken to occur or be achieved) are not statements of historical fact and may be forward-looking statements and are intended to identify forward-looking statements.

Although the forward-looking statements contained in this news release are based upon what management believes, or believed at the time, to be reasonable assumptions, the Company cannot assure readers that actual results will be consistent with such forward-looking statements, as there may be other factors that cause results not to be as anticipated, estimated or intended. Such factors include, among others, risks relating to the timing and ability of the Company to obtain and the timing of the approval of relevant regulatory bodies, if at all; risks relating to property interests; risks related to access to the project; risks inherent in mineral exploration, including the fact that any particular phase of exploration may be unsuccessful; the availability of contractors; geo-political risks; the global economic climate; metal prices; environmental risks; political risks; and community and non-governmental actions. Neither the Company nor any other person assumes responsibility for the accuracy and completeness of any such forward-looking statements. The Company does not undertake, and assumes no obligation, to update or revise any such forward-looking statements or forward-looking information contained herein to reflect new events or circumstances, except as may be required by law.


i Barrick Gold Corp. Presentation. February, 24, 2025. BMO Capital Markets Global Metals, Mining & Critical Minerals Conference. Available https://www.barrick.com/English/investors/presentations/event-details/2025/BMO-Capital-Markets-Global-Metals-Mining--Critical-Minerals-Conference/default.aspx

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/247051

FAQ

What is the scope of Midnight Sun Mining's (MDNGF) 2025 exploration program at Solwezi?

The program covers three key areas: Dumbwa (56-line km IP survey), Kazhiba (5,000m total drilling), and Mitu (1,800 Partial Ionic Leach samples), targeting both oxide and sulphide copper deposits.

How many drill holes is MDNGF planning for the Kazhiba target in 2025?

MDNGF plans 125 reverse circulation holes (4,000m) for oxide copper exploration and 6-8 diamond drill holes (1,000m) for the sulphide copper target.

What is the size of the new sulphide copper target identified at MDNGF's Kazhiba site?

The newly identified sulphide copper target at Kazhiba measures approximately four kilometers by two kilometers.

How many Partial Ionic Leach samples will MDNGF collect at the Mitu target?

MDNGF plans to collect approximately 1,800 Partial Ionic Leach samples along the entire Mitu trend.
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