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INTEGRA ANNOUNCES RESULTS FROM NEAR-MINE OXIDE GOLD DRILLING AT FLORIDA CANYON; GROWTH POTENTIAL CONFIRMED AND DRILL PROGRAM EXPANDED

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Integra Resources (NYSE American: ITRG) has announced promising initial results from its 2025 resource growth drilling program at the Florida Canyon Mine in Nevada. The company has expanded its drilling program from 10,000 meters to 16,000 meters due to successful early results.

Key highlights include significant gold mineralization in the North Mine Dump, with top intercepts of 0.36 g/t oxide gold over 71.6m and 0.37 g/t oxide gold over 47.2m. Approximately 70% of drill intercepts exceeded the current mine cut-off grade of 0.11 g/t Au. The program also revealed promising results in Inter-Pit areas, with notable intercepts including 0.47 g/t Au over 39.6m in the North Pit area.

The company plans to update its mineral resource and reserve estimates and revise its life-of-mine plan in H1 2026. The program focuses on three key areas: near-surface oxide potential from historical waste material, expanding in-situ resources between existing mine pits, and testing lateral extensions.

[ "Drill program expanded by 60% (from 10,000m to 16,000m) due to successful initial results", "70% of North Dump drill intercepts exceed current mine cut-off grade", "Significant gold mineralization confirmed with consistent grades and excellent heap leach potential", "Low-strip, near-surface oxide gold material identified with minimal mining cost requirements", "Potential for immediate resource expansion and mine life extension" ]

Integra Resources (NYSE American: ITRG) ha annunciato risultati iniziali promettenti dal suo programma di perforazione per l'espansione delle risorse 2025 presso la Florida Canyon Mine in Nevada. L'azienda ha ampliato il programma di perforazione da 10.000 metri a 16.000 metri grazie ai positivi risultati iniziali.

I punti salienti includono una significativa mineralizzazione aurifera nel North Mine Dump, con intercetti principali di 0,36 g/t oro ossidato per 71,6 m e 0,37 g/t oro ossidato per 47,2 m. Circa il 70% degli intercetti di perforazione ha superato la soglia di taglio attuale della miniera di 0,11 g/t Au. Il programma ha inoltre mostrato risultati promettenti nelle aree Inter-Pit, con intercetti notevoli come 0,47 g/t Au per 39,6 m nell'area North Pit.

L'azienda prevede di aggiornare le stime delle risorse minerarie e delle riserve e di rivedere il piano di vita della miniera nella prima metà del 2026. Il programma si concentra su tre aree chiave: potenziale ossidato vicino alla superficie derivante da materiale di scarto storico, espansione delle risorse in situ tra le miniere esistenti e verifica delle estensioni laterali.

  • Programma di perforazione ampliato del 60% (da 10.000 m a 16.000 m) grazie ai risultati iniziali positivi
  • Il 70% degli intercetti di perforazione nel North Dump supera la soglia di taglio attuale della miniera
  • Confermata significativa mineralizzazione aurifera con grade costanti e ottimo potenziale per heap leach
  • Individuato oro ossidato vicino alla superficie con bassi costi di scavo
  • Potenziale per immediata espansione delle risorse e prolungamento della vita della miniera

Integra Resources (NYSE American: ITRG) ha anunciado resultados iniciales prometedores de su programa de perforación para el crecimiento de recursos 2025 en la mina Florida Canyon, Nevada. La compañía ha ampliado su programa de perforación de 10,000 metros a 16,000 metros debido a los exitosos resultados tempranos.

Los aspectos destacados incluyen una mineralización significativa de oro en el North Mine Dump, con interceptaciones principales de 0,36 g/t oro óxido sobre 71,6 m y 0,37 g/t oro óxido sobre 47,2 m. Aproximadamente el 70% de las interceptaciones de perforación superaron el grado de corte actual de la mina de 0,11 g/t Au. El programa también reveló resultados prometedores en áreas Inter-Pit, con interceptaciones notables como 0,47 g/t Au sobre 39,6 m en el área North Pit.

La compañía planea actualizar sus estimaciones de recursos minerales y reservas, y revisar su plan de vida útil de la mina en el primer semestre de 2026. El programa se enfoca en tres áreas clave: potencial de óxido cerca de la superficie a partir de material de desecho histórico, expansión de recursos in situ entre las minas existentes y prueba de extensiones laterales.

  • Programa de perforación ampliado en un 60% (de 10,000 m a 16,000 m) debido a resultados iniciales exitosos
  • El 70% de las interceptaciones en North Dump superan el grado de corte actual de la mina
  • Mineralización significativa de oro confirmada con grados consistentes y excelente potencial para lixiviación en pilas
  • Material de oro óxido cerca de la superficie con bajos costos de extracción identificado
  • Potencial para expansión inmediata de recursos y extensión de la vida útil de la mina

Integra Resources (NYSE American: ITRG)는 네바다 플로리다 캐년 광산에서 2025년 자원 확장 시추 프로그램의 유망한 초기 결과를 발표했습니다. 회사는 초기 성공적인 결과에 힘입어 시추 프로그램을 10,000미터에서 16,000미터로 확대했습니다.

주요 내용으로는 North Mine Dump에서의 상당한 금 광화가 포함되며, 주요 시추 구간은 71.6m 구간에서 0.36 g/t 산화 금47.2m 구간에서 0.37 g/t 산화 금입니다. 시추 구간의 약 70%가 현재 광산의 컷오프 등급인 0.11 g/t Au를 초과했습니다. 또한 Inter-Pit 지역에서도 유망한 결과가 나타났으며, North Pit 지역에서 39.6m 구간에서 0.47 g/t Au가 확인되었습니다.

회사는 2026년 상반기에 광물 자원 및 매장량 추정치를 업데이트하고 광산 수명 계획을 수정할 예정입니다. 프로그램은 세 가지 주요 영역에 집중합니다: 과거 폐기물에서 나오는 근표면 산화 금 잠재력, 기존 광산 구덩이 사이의 현장 자원 확장, 그리고 측면 확장 시험입니다.

  • 초기 성공적인 결과로 시추 프로그램 60% 확대(10,000m에서 16,000m로)
  • North Dump 시추 구간의 70%가 현재 광산 컷오프 등급 초과
  • 일관된 등급과 우수한 힙 리치 잠재력을 가진 상당한 금 광화 확인
  • 낮은 스트립 비용과 근표면 산화 금 자원 확인
  • 즉각적인 자원 확장과 광산 수명 연장 가능성

Integra Resources (NYSE American : ITRG) a annoncé des résultats initiaux prometteurs de son programme de forage pour l’augmentation des ressources 2025 à la mine Florida Canyon au Nevada. La société a étendu son programme de forage de 10 000 mètres à 16 000 mètres en raison des premiers résultats positifs.

Les points clés comprennent une minéralisation aurifère significative dans le North Mine Dump, avec des intersections principales de 0,36 g/t d’or oxydé sur 71,6 m et 0,37 g/t d’or oxydé sur 47,2 m. Environ 70 % des intersections de forage ont dépassé le seuil de coupure actuel de la mine de 0,11 g/t Au. Le programme a également révélé des résultats prometteurs dans les zones Inter-Pit, avec des intersections notables telles que 0,47 g/t Au sur 39,6 m dans la zone North Pit.

La société prévoit de mettre à jour ses estimations de ressources minérales et de réserves et de réviser son plan de vie de mine au premier semestre 2026. Le programme se concentre sur trois zones clés : le potentiel d’oxyde en surface issu de matériaux de déchets historiques, l’expansion des ressources in situ entre les fosses minières existantes et le test des extensions latérales.

  • Programme de forage étendu de 60 % (de 10 000 m à 16 000 m) grâce à des résultats initiaux réussis
  • 70 % des intersections de forage dans le North Dump dépassent le seuil de coupure actuel de la mine
  • Minéralisation aurifère significative confirmée avec des teneurs constantes et un excellent potentiel de lixiviation en tas
  • Matériau aurifère oxydé proche de la surface identifié avec des coûts miniers faibles
  • Potentiel d’expansion immédiate des ressources et de prolongation de la durée de vie de la mine

Integra Resources (NYSE American: ITRG) hat vielversprechende erste Ergebnisse seines Bohrprogramms zur Ressourcenerweiterung 2025 in der Florida Canyon Mine in Nevada bekannt gegeben. Aufgrund erfolgreicher erster Ergebnisse wurde das Bohrprogramm von 10.000 Metern auf 16.000 Meter ausgeweitet.

Wichtige Highlights sind eine signifikante Goldmineralisierung im North Mine Dump mit Spitzenabschnitten von 0,36 g/t oxidisches Gold über 71,6 m und 0,37 g/t oxidisches Gold über 47,2 m. Etwa 70 % der Bohrabschnitte übertrafen den aktuellen Abbau-Grenzwert der Mine von 0,11 g/t Au. Das Programm zeigte zudem vielversprechende Ergebnisse in den Inter-Pit-Bereichen, mit bemerkenswerten Abschnitten wie 0,47 g/t Au über 39,6 m im North Pit-Bereich.

Das Unternehmen plant, seine Schätzungen der mineralischen Ressourcen und Reserven zu aktualisieren und den Lebenszyklusplan der Mine in der ersten Hälfte 2026 zu überarbeiten. Das Programm konzentriert sich auf drei Hauptbereiche: oberflächennahe Oxidpotenziale aus historischem Abfallmaterial, Erweiterung der in-situ-Ressourcen zwischen bestehenden Gruben und Prüfung seitlicher Erweiterungen.

  • Bohrprogramm aufgrund erfolgreicher erster Ergebnisse um 60 % erweitert (von 10.000 m auf 16.000 m)
  • 70 % der Bohrabschnitte im North Dump übersteigen den aktuellen Abbau-Grenzwert der Mine
  • Signifikante Goldmineralisierung mit konsistenten Gehalten und ausgezeichnetem Heap-Leach-Potenzial bestätigt
  • Nah an der Oberfläche liegendes oxidisches Goldmaterial mit geringen Abbaukosten identifiziert
  • Potenzial für sofortige Ressourcenerweiterung und Verlängerung der Lebensdauer der Mine
Positive
  • None.
Negative
  • Some drill intervals contain sulphide content exceeding 1%, which may impact metallurgical recoveries
  • Further metallurgical testing required to determine recovery profiles
  • Resource and reserve update not available until H1 2026

Insights

Integra's Florida Canyon drilling confirms low-strip resource growth potential in previously uneconomic waste material, with 70% of samples exceeding cut-off grade.

Integra's initial drilling results at Florida Canyon Mine demonstrate significant near-term growth potential from an often-overlooked source: historical waste dumps. The company has identified broad zones of oxide gold mineralization in material previously considered uneconomic at lower gold prices, with intercepts including 0.36 g/t gold over 71.6 meters and 0.37 g/t gold over 47.2 meters. Most notably, approximately 70% of these intercepts exceed the current mine cut-off grade of 0.11 g/t gold.

The significance of these results cannot be overstated in the current gold price environment. This material represents immediate, low-strip, near-surface ounces that could be added to reserves with minimal capital investment. Such material wouldn't require blasting, potentially reducing operational costs while providing readily available feed for the heap leach operation.

The expanded drilling program (from 10,000 to 16,000 meters) indicates management confidence in this approach. Their two-pronged strategy also targets the promising "Inter-Pit" areas, with standout intercepts including 0.47 g/t gold over 39.6 meters in the North Pit and 0.27 g/t gold over an impressive 114.3 meters in the Central/Radio Tower Saddle.

This drilling program exemplifies how higher gold prices can transform previously sub-economic material into valuable resources. The metallurgical testing underway will be crucial in determining recovery rates, but preliminary indications suggest favorable heap leach characteristics. With resource and reserve updates expected in H1 2026, these initial results validate a key thesis behind Integra's 2024 acquisition of Florida Canyon – that significant near-mine growth potential exists beyond the current production profile.

TSXV: ITR; NYSE American: ITRG

www.integraresources.com

VANCOUVER, BC, Aug. 5, 2025 /PRNewswire/ - Integra Resources Corp. ("Integra" or the "Company") (TSXV: ITR) (NYSE American: ITRG) is pleased to announce initial results from the 2025 resource growth drilling program at the Company's primary operating asset, the Florida Canyon Mine ("Florida Canyon") located in Nevada. The drill program marks the first phase of a multi-year growth strategy designed to expand mineral reserves and resources, extend mine life, and enhance the value of Florida Canyon.

The 2025 growth drilling program is focused on three key areas: (1) Near-surface oxide potential from historical low-grade gold-mineralized waste material that was uneconomic at lower gold prices; (2) Expanding in-situ resources between existing mine open pits; and (3) Testing lateral extensions and in-pit infill drilling. Due to the success of initial drilling, the scope of the program has been increased from ~10,000 meters ("m") to ~16,000 m of reverse circulation ("RC") and sonic drilling. At the date of this news release, ~5,700 m of RC drilling has been completed.

Highlights:

  • Opportunity 1: Near-surface oxide potential from historical dump material: Drilling targeting large volumes of historical gold-mineralized low-grade waste material previously estimated to be below the mining cut-off grade in a significantly lower gold price environment. These areas demonstrate the greatest near-term opportunity to increase mineral resources and potentially extend mine life.
    • Initial results from the North Mine Dump ("North Dump") confirmed broad, near-surface intervals of oxide gold mineralization with consistent gold grades and excellent heap leach potential. Top intercepts include (see detailed table below):
      • FCM25-0569: 0.28 grams per tonne ("g/t") oxide gold ("Au") over 68.6 m
      • FCM25-0570: 0.36 g/t oxide Au over 71.6 m
      • FCM25-0575: 0.37 g/t oxide Au over 47.2 m, incl. 4.53 g/t oxide Au over 1.5 m
      • ~70% of drill intercepts exceed the current mine cut-off grade of 0.11 g/t Au
    • Due to the initial success of drilling at the North Dump, the drill program has been increased by ~6,000 m (from ~10,000 m to ~16,000 m). Additional drilling will be focused on the North Dump and South Mine Dump ("South Dump"), another large volume of potentially gold-mineralized low-grade material adjacent to the active mining area.
    • Preliminary volume and grade estimation work is underway for the North Dump and South Dump with further detail expected in the coming months.
  • Opportunity 2: Expand in-situ resources between existing mine open pits: Drilling targeting "saddle" and "ridge" ("Inter-Pit") areas located between active and historical pits. Many of these areas have been sparsely drilled historically and offer meaningful growth potential directly adjacent to current and future mining phases.
    • Initial results from Inter-Pit areas confirmed broad, near-surface intervals of gold mineralization with consistent gold grades and heap leach potential. Top intercepts include (see detailed table below):
      • FCM25-0588: 0.47 g/t Au over 39.6 m (North Pit)
      • FCM25-0591: 0.27 g/t Au over 114.3 m (Central / Radio Tower Saddle)
      • FCM25-0600: 0.25 g/t oxide Au over 73.2 m (Central / Radio Tower Saddle)
      • ~40% of drill intercepts within the Radio Tower Pit exceed the current mine cut-off grade of 0.14 g/t Au
      • ~35% of drill intercepts within the remaining Inter-Pit areas exceed the current mine cut-off grade of 0.11 g/t Au
  • Metallurgical bottle roll leach tests are underway on material gathered through the drill program to assess potential gold recoveries and other ore characteristics; preliminary indications suggest favorable heap leach characteristics.
  • The 2025 drill program at Florida Canyon is expected to support a mineral resource and reserve update and a revised life-of-mine plan in the first half ("H1") of 2026.

George Salamis, President, CEO and Director of Integra commented: "A key driver behind the acquisition of Florida Canyon in late 2024 was not only the cash flow that the mine could generate, but also the significant near-mine growth potential. We are very encouraged by the initial results from our 2025 drill program, particularly from the high-priority North Dump area. Broad, consistent oxide gold-mineralized intercepts confirm excellent grade continuity and underscore the potential to grow resources and extend mine life. We also see promising results from the drilling in the Inter-Pit areas, which suggest the potential for pit expansions. Based on the success of initial drilling, the Company has increased the scope of the drill program by ~6,000 meters. Pursuing low-strip, near-surface gold-mineralized material at Florida Canyon in the current gold price environment offers compelling rationale. We look forward to sharing the continued progress as drilling advances through the summer and fall."

Key Figures 

Figure 1 – Florida Canyon Mine 2025 Growth Drilling Target Areas:
https://wp-integraresources-2024.s3.ca-central-1.amazonaws.com/media/2025/08/FCM-NR2-Fig-1-Mine-Targets-2025-08-05.pdf 

Figure 2 – Historical North Mine Dump 2025 Drill Collars:
https://wp-integraresources-2024.s3.ca-central-1.amazonaws.com/media/2025/08/FCM-NR2-Fig-2-North-Mine-Dump-Drilling-2025-08-05.pdf 

Figure 3 – Historical North Mine Dump Material Cross Section A-A':
https://wp-integraresources-2024.s3.ca-central-1.amazonaws.com/media/2025/08/FCM-NR2-Fig-3-A-A-N-Waste-Dump-Section-2025-08-05.pdf 

Figure 4 – Historical North Mine Dump Material Cross Section B-B':
https://wp-integraresources-2024.s3.ca-central-1.amazonaws.com/media/2025/08/FCM-NR2-Fig-4-B-B-N-Waste-Dump-Section-2025-08-05.pdf 

Figure 5 – Inter-Pit 2025 Drill Collars:
https://wp-integraresources-2024.s3.ca-central-1.amazonaws.com/media/2025/08/FCM-NR2-Fig-5-Inter-Pit-In-Situ-Drilling-2025-08-05-v2.pdf 

Figure 6 – Inter-Pit Cross Section C-C': 
https://wp-integraresources-2024.s3.ca-central-1.amazonaws.com/media/2025/08/FCM-NR2-Fig-6-C-C-Inter-Pit-In-Situ-Section-2025-08-05.pdf 

Figure 7 – North-Pit Cross Section D-D':
https://wp-integraresources-2024.s3.ca-central-1.amazonaws.com/media/2025/08/FCM-NR2-Fig-7-D-D-North-Pit-2025-08-05.pdf 

Opportunity 1 Drilling Overview: Near-Surface Oxide Potential from Historical Dump Material

Within the permitted Florida Canyon mine boundary there are several large volumes of historically mined low-grade gold-mineralized dump material, averaging below the historical mine cut-off grades. This gold-mineralized material, which was historically uneconomic at lower gold prices, is a product of decades of past mining and has been identified as a high-potential, low-strip, near-surface oxide gold target for growth. Potential has already been demonstrated by the historical in-pit mine dumps (historical backfill material), which are being partially utilized by current operations. The historical dump material presents an immediate opportunity to expand reserves and resources with minimal mining cost.

The North Dump was identified as a high-priority target for the 2025 growth drilling program at Florida Canyon and was therefore drilled at the outset of the program in May 2025. Initial drill results from the North Dump have been successful in demonstrating the potential for near-term oxide growth at Florida Canyon.

Top intercepts from drilling at the North Dump (see detailed table below):

  • FCM25-0569: 0.28 g/t oxide Au over 68.6 m
  • FCM25-0570: 0.36 g/t oxide Au over 71.6 m
  • FCM25-0575: 0.37 g/t oxide Au over 47.2 m, incl. 4.53 g/t oxide Au over 1.5 m
  • ~70% of drill intercepts exceed the current mine cut-off grade of 0.11 g/t Au

Key observations and achievements of initial drilling at the North Dump:

  • Confirmed gold grade continuity and distribution
  • Collected material for metallurgical testing, including bottle rolls, column tests, and permeability assessments
  • Initial results support potential conversion of this material into mineral resources and reserves through inclusion in the updated resource and reserve block model and mine plan
  • Material offers potential to increase future operational flexibility by providing readily available, gold-mineralized material suitable for heap leaching, that will not require blasting
  • Material is expected to improve near- to medium-term ore feed without significant capital investment, while potentially reducing reliance on higher-strip in-situ material

Due to the success of the initial drilling at the North Dump, the Company has planned for additional drilling within the North Dump and South Dump, focused on resource and reserve conversion and gathering additional material for the ongoing metallurgical testing of the area to determine potential for future heap leaching. The 2025 growth drilling program has been increased by ~6,000 meters (from ~10,000 m to ~16,000 m) to include additional drilling at the North Dump and South Dump areas.

Preliminary volume and grade estimation work is underway for the North Dump and South Dump with further detail expected in the coming months. The 2025 drill program at Florida Canyon and supporting analysis is expected to support a mineral resource and reserve update and a revised life-of-mine plan in H1 2026.

Opportunity 2 Drilling Overview: Expanding In-Situ Resources Between Existing Mine Open Pits

A secondary focus of the drill program is on gold resource expansion opportunities within "saddle" and "ridge" zones located between existing open pits. Several of the Inter-Pit areas remain sparsely drilled and offer significant upside gold potential, with historical drilling demonstrating encouraging intercepts of mineralization at or near-surface. Inter-Pit areas targeted as part of the drill program include the Central/Radio Tower Pit Saddle, Florida Canyon Saddle, North Pit Saddle and within the Radio Tower Pit.

Top intercepts from the Inter-Pit areas (see detailed table below):

  • FCM25-0588: 0.47 g/t Au over 39.6 m (North Pit)
  • FCM25-0591: 0.27 g/t Au over 114.3 m (Central / Radio Tower Saddle)
  • FCM25-0600: 0.25 g/t oxide Au over 73.2 m (Central / Radio Tower Saddle)
  • ~40% of drill intercepts within the Radio Tower Pit exceed the current mine cut-off grade of 0.14 g/t Au
  • ~35% of the remaining drill intercepts within the Inter-Pit areas exceed the current mine cut-off grade of 0.11 g/t Au

Key observations and achievements of initial drilling in the Inter-Pit areas:

  • Confirmed gold grade continuity and distribution within targeted zones
  • Collected material for metallurgical testing, including bottle rolls, column tests, and permeability assessments
  • Initial results support potential pit expansion, specifically between the Central and Radio Tower Pits, two of the largest areas of known gold mineralization at Florida Canyon
  • Excellent results within the North Pit Saddle, location of a potential satellite pit adjacent to an existing pit; further drilling is required to follow up on a gold vein system that was historically underexplored

Success within the identified Inter-Pit areas has the potential to meaningfully increase mineral resources and reserves by extending existing pit limits within the current Florida Canyon Mine Plan of Operations.

Detailed Drilling Results:

The following table highlights selected intercepts from the 2025 Florida Canyon drill program announced within this news release.

Table 1 – Detailed Drilling Results 1,2,3,4:

Drill Hole

Area

From (m)

To (m)

Interval (m)

g/t Au

FCM25-0566

North Dump

0.0

50.3

50.3

0.19

FCM25-0567

North Dump

0.0

54.9

54.9

0.17

FCM25-0568

North Dump

0.0

59.4

59.4

0.23

FCM25-0569

North Dump

0.0

68.6

68.6

0.28

FCM25-0570

North Dump

0.0

71.6

71.6

0.36

FCM25-0571

North Dump

0.0

67.1

67.1

0.17

FCM25-0572

North Dump

0.0

57.9

57.9

0.18

FCM25-0573

North Dump

0.0

44.2

44.2

0.21

FCM25-0574

North Dump

0.0

54.9

54.9

0.19

FCM25-0575

North Dump

0.0

47.2

47.2

0.37

including

North Dump

13.7

15.2

1.5

4.53

FCM25-0576

North Dump

0.0

45.7

45.7

0.20

FCM25-0577

North Dump

0.0

30.5

30.5

0.16

FCM25-0588

North Pit

24.4

64.0

39.6

0.47

including

North Pit

32.0

33.5

1.5

3.05

including

North Pit

59.4

61.0

1.5

3.85

FCM25-0590

Central / Radio Tower Saddle

45.7

85.3

39.6

0.45

FCM25-0591

Central / Radio Tower Saddle

0.0

114.3

114.3

0.27

FCM25-0593

Central / Radio Tower Saddle

0.0

64.0

64.0

0.16

FCM25-0594

Central / Radio Tower Saddle

54.9

91.4

36.6

0.16

FCM25-0595

Central / Radio Tower Saddle

38.1

83.8

45.7

0.16

FCM25-0596

Central / Radio Tower Saddle

25.9

68.6

42.7

0.22

FCM25-0597

Central / Radio Tower Saddle

53.3

97.6

44.2

0.35

including

Central / Radio Tower Saddle

53.3

54.9

1.5

2.39

FCM25-0598

Central / Radio Tower Saddle

13.7

76.2

62.5

0.22

FCM25-0599

Central / Radio Tower Saddle

0.0

18.3

18.3

0.21

FCM25-0600

Radio Tower

0.0

73.2

73.2

0.25

FCM25-0602

Central / Radio Tower Saddle

36.6

73.2

36.6

0.16

FCM25-0603

Central / Radio Tower Saddle

12.2

30.5

18.3

0.23

FCM25-0603

Central / Radio Tower Saddle

67.1

68.6

1.5

2.47

FCM25-0604

Central / Radio Tower Saddle

21.3

57.9

36.6

0.22

FCM25-0605

Central / Radio Tower Saddle

6.1

99.1

93.0

0.14

1

Downhole thickness is true thickness.

2

Intervals reported are uncapped.

3

An economical cut-off of 0.14 g/t Au within Radio Tower and 0.11 g/t Au for the rest of the mine site was considered during the creation of intersects.

4

Some of the reported intervals within Inter-Pit areas contain sulphide content exceeding ~1%, as determined by laboratory analysis. These sulphide concentrations may impact metallurgical recoveries and are not necessarily representative of the bulk tonnage of the zone. The reported intervals include both oxide and sulphide material as encountered in drilling. Further metallurgical testing is required to accurately characterize recovery profiles.

About Integra

Integra is a growing precious metals producer in the Great Basin of the Western United States. Integra is focused on demonstrating profitability and operational excellence at its principal operating asset, the Florida Canyon Mine, located in Nevada. In addition, Integra is committed to advancing its flagship development-stage heap leach projects: the past producing DeLamar Project located in southwestern Idaho and the Nevada North Project located in western Nevada. Integra creates sustainable value for shareholders, stakeholders, and local communities through successful mining operations, efficient project development, disciplined capital allocation, and strategic M&A, while upholding the highest industry standards for environmental, social, and governance practices.

ON BEHALF OF THE BOARD OF DIRECTORS

George Salamis
President, CEO and Director

Qualified Person

The scientific and technical information contained in this news release has been reviewed and approved by Gregory Robinson (P.E., SME Registered Member), Integra's General Manager of the Florida Canyon Mine. Mr. Robinson is a "qualified person" as defined in National Instrument 43-101 – Standards of Disclosure for Mineral Projects ("NI 43-101").

To verify the information related to the 2025 drilling programs at Florida Canyon, Mr. Robinson frequently visits the property; discussed logging, sampling, and sample shipping processes with responsible site staff; discussed and reviewed assay and QA/QC results with responsible personnel; and reviewed supporting documentation, including drill hole location and orientation and significant assay interval calculations.

Sampling and QA/QC Procedure

RC samples were collected at 5-foot intervals directly at the drill rig using pre-labeled bags. Samples were submitted to American Assay Laboratories ("AAL") in Reno, Nevada, an ISO/IEC 17025 accredited laboratory. AAL is independent of Integra. Sample preparation involved drying, jaw crushing to >70% passing 2 mm (10 mesh) and pulverizing a 300 g split to >85% passing 75 microns.

Gold analysis was performed on a 30-gram pulp using fire assay with ICP-AES finish. Samples returning >10 ppm Au were re-assayed using a gravimetric finish. Additionally, samples with Au >0.156 ppm underwent cyanide-soluble (0.3% NaCN/0.3%NaOH using a sample to solution ratio of 1:2 or 10g/20mL) analysis and preg-robbing (0.3% NaCN/0.3%NaOH + 1.71ppm/mL Au spike using 1:2 ratio calculates to 3.42ppm in the 10g/20mL) tests to assess metallurgical characteristics. Quality control protocols included the routine insertion of blank samples, certified reference materials (standards), and field and pulp duplicates. Blank material and standards were purchased from Moment Exploration Geochemistry. AAL also inserted internal control samples and duplicates within each batch.

Forward Looking Statements

Certain information set forth in this news release contains "forward–looking statements" and "forward–looking information" within the meaning of applicable Canadian securities legislation and in applicable United States securities law (referred to herein as forward–looking statements). Except for statements of historical fact, certain information contained herein constitutes forward–looking statements which includes, but is not limited to, statements with respect to: the timing, scope, and objectives of the 2025 drill program at the Florida Canyon, the potential to expand mineral resources and reserves, extend mine life, optimize mine planning, and maximize project value, as well as the anticipated timing of results and a future mineral resource and reserve update and revised life-of-mine plan for Florida Canyon; the future financial or operating performance of the Company and the Wildcat and Mountain View deposits (the "Nevada North Project"), the Florida Mountain and DeLamar deposits (the "DeLamar Project") and the Florida Canyon mine (the "Florida Canyon Mine" and together with the Nevada North Project and the DeLamar Project, the "Projects"). Forward-looking statements are often identified by the use of words such as "may", "will", "could", "would", "anticipate", 'believe", "expect", "intend", "potential", "estimate", "budget", "scheduled", "plans", "planned", "forecasts", "goals" and similar expressions.

Forward-looking statements are based on a number of factors and assumptions made by management and considered reasonable at the time such statement was made. Assumptions and factors include: expected synergies from acquisition of Florida Canyon; the Company's ability to complete its planned exploration and development programs; the absence of adverse conditions at the Projects; satisfying ongoing covenants under the Company's loan facilities; no unforeseen operational delays; no material delays in obtaining necessary permits; results of independent engineer technical reviews; the possibility of cost overruns and unanticipated costs and expenses; the price of gold remaining at levels that continue to render the Projects economic, as applicable; the Company's ability to continue raising necessary capital to finance operations; and the ability to realize on the mineral resource and reserve estimates. Forward–looking statements necessarily involve known and unknown risks and uncertainties, which may cause actual performance and financial results in future periods to differ materially from any projections of future performance or result expressed or implied by such forward–looking statements. These risks and uncertainties include, but are not limited to: general business, economic and competitive uncertainties; the actual results of current and future exploration activities; conclusions of economic evaluations; meeting various expected cost estimates; benefits of certain technology usage; changes in project parameters and/or economic assessments as plans continue to be refined; future prices of metals; possible variations of mineral grade or recovery rates; the risk that actual costs may exceed estimated costs; geological, mining and exploration technical problems; failure of plant, equipment or processes to operate as anticipated; accidents, labour disputes and other risks of the mining industry; delays in obtaining governmental approvals or financing; risks related to local communities; the speculative nature of mineral exploration and development (including the risks of obtaining necessary licenses, permits and approvals from government authorities); title to properties; and other factors beyond the Company's control and as well as those factors included herein and elsewhere in the Company's public disclosure. Although the Company has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in the forward-looking statements, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. Readers are advised to study and consider risk factors disclosed in Integra's Annual Information Form dated March 26, 2025 for the fiscal year ended December 31, 2024, which is available on the SEDAR+ issuer profile for the Company at www.sedarplus.ca and available as Exhibit 99.1 to Integra's Form 40-F, which is available on the EDGAR profile for the Company at www.sec.gov.

Investors are cautioned not to put undue reliance on forward-looking statements. The forward-looking statements contained herein are made as of the date of this news release and, accordingly, are subject to change after such date. The Company disclaims any intent or obligation to update publicly or otherwise revise any forward-looking statements or the foregoing list of assumptions or factors, whether as a result of new information, future events or otherwise, except in accordance with applicable securities laws. Investors are urged to read the Company's filings with Canadian securities regulatory agencies, which can be viewed online under the Company's profile on SEDAR+ at www.sedarplus.ca.

Cautionary Note for U.S. Investors Concerning Mineral Resources and Reserves

NI 43-101 is a rule of the Canadian Securities Administrators which establishes standards for all public disclosure an issuer makes of scientific and technical information concerning mineral projects. Technical disclosure contained in this news release has been prepared in accordance with NI 43-101 and the Canadian Institute of Mining, Metallurgy and Petroleum Classification System. These standards differ from the requirements of the U.S. Securities and Exchange Commission ("SEC") and resource information contained in this news release may not be comparable to similar information disclosed by domestic United States companies subject to the SEC's reporting and disclosure requirements.

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.

Cision View original content to download multimedia:https://www.prnewswire.com/news-releases/integra-announces-results-from-near-mine-oxide-gold-drilling-at-florida-canyon-growth-potential-confirmed-and-drill-program-expanded-302521831.html

SOURCE Integra Resources Corp.

FAQ

What were the key drilling results from Integra Resources' Florida Canyon Mine in 2025?

The top intercepts included 0.36 g/t oxide gold over 71.6m and 0.37 g/t oxide gold over 47.2m in the North Mine Dump, with 70% of drill intercepts exceeding the current mine cut-off grade of 0.11 g/t Au.

Why did ITRG expand its Florida Canyon drilling program in 2025?

Integra expanded the program from 10,000m to 16,000m due to successful initial results, particularly in the North Dump area, which showed consistent oxide gold mineralization and excellent heap leach potential.

What are the three main focus areas of Integra's Florida Canyon drilling program?

The program focuses on 1) near-surface oxide potential from historical waste material, 2) expanding in-situ resources between existing mine pits, and 3) testing lateral extensions and in-pit infill drilling.

When will ITRG release updated mineral resources for Florida Canyon?

Integra plans to release an updated mineral resource and reserve estimate along with a revised life-of-mine plan in the first half of 2026.

What is the significance of the North Mine Dump results for ITRG?

The North Mine Dump results represent a low-cost growth opportunity as the material requires minimal mining cost, doesn't need blasting, and could provide readily available ore for heap leaching, potentially improving operational flexibility.
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