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Gold Resource Corporation Announces 2024 Drill Results

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Gold Resource (NYSE American: GORO) has announced positive results from its 2024 exploration drilling program at the Don David Gold Mine in Oaxaca, Mexico. The program revealed significant findings in the Three Sisters and Gloria vein systems, with 23 underground drill holes totaling 7,671 meters.

Key highlights include high-grade intersections with gold equivalent values up to 36.10 g/t and NSR values reaching $2,314/t. The Three Sisters area showed a remarkable 307% increase in mineral resources compared to 2023. The total Life of Mine (LOM) plan reflects a 10% increase in estimated Mineral Resources, with measured and indicated resources showing an 88% conversion rate.

The newly discovered vein systems are strategically located near the current mine portal at higher elevations, which is expected to reduce haulage and production costs. The 2024 year-end estimates show total resources of 3,160,000 tonnes with an 80% conversion rate in the LOM plan.

Gold Resource (NYSE American: GORO) ha annunciato risultati positivi dal suo programma di perforazione esplorativa 2024 presso la Miniera d'Oro Don David in Oaxaca, Messico. Il programma ha rivelato scoperte significative nei sistemi vein delle Tre Sorelle e Gloria, con 23 fori di perforazione sotterranea per un totale di 7.671 metri.

I punti salienti includono intersezioni ad alta gradazione con valori equivalenti d'oro fino a 36,10 g/t e valori NSR che raggiungono $2.314/t. L'area delle Tre Sorelle ha mostrato un notevole aumento del 307% delle risorse minerarie rispetto al 2023. Il piano totale di Vita della Miniera (LOM) riflette un aumento del 10% nelle Risorse Minerarie stimate, con risorse misurate e indicate che mostrano un tasso di conversione dell'88%.

I nuovi sistemi vein scoperti sono strategicamente situati vicino al portale attuale della miniera a elevazioni superiori, il che dovrebbe ridurre i costi di trasporto e produzione. Le stime di fine anno 2024 mostrano risorse totali di 3.160.000 tonnellate con un tasso di conversione dell'80% nel piano LOM.

Gold Resource (NYSE American: GORO) ha anunciado resultados positivos de su programa de perforación de exploración 2024 en la Mina de Oro Don David en Oaxaca, México. El programa reveló hallazgos significativos en los sistemas de vetas Tres Hermanas y Gloria, con 23 agujeros de perforación subterránea que suman 7,671 metros.

Los aspectos destacados incluyen intersecciones de alta ley con valores equivalentes de oro de hasta 36.10 g/t y valores NSR que alcanzan $2,314/t. El área de Tres Hermanas mostró un notable aumento del 307% en los recursos minerales en comparación con 2023. El plan total de Vida de la Mina (LOM) refleja un aumento del 10% en los Recursos Minerales estimados, con recursos medidos e indicados mostrando una tasa de conversión del 88%.

Los nuevos sistemas de vetas descubiertos están ubicados estratégicamente cerca del portal actual de la mina a elevaciones más altas, lo que se espera que reduzca los costos de transporte y producción. Las estimaciones de fin de año 2024 muestran recursos totales de 3,160,000 toneladas con una tasa de conversión del 80% en el plan LOM.

Gold Resource (NYSE American: GORO)는 멕시코 오악사카에 있는 돈 다비드 금광에서 2024년 탐사 드릴링 프로그램의 긍정적인 결과를 발표했습니다. 이 프로그램은 23개의 지하 드릴 홀에서 총 7,671미터에 걸쳐 세 자매와 글로리아 광맥 시스템에서 중요한 발견을 밝혀냈습니다.

주요 하이라이트로는 금 등가 가치가 최대 36.10 g/t에 달하는 고품질 교차점과 NSR 가치가 $2,314/t에 도달하는 것입니다. 세 자매 지역은 2023년에 비해 307%의 광물 자원 증가를 보였습니다. 총 광산 생애(LOM) 계획은 추정된 광물 자원이 10% 증가했음을 반영하며, 측정 및 지시된 자원은 88%의 전환율을 나타냅니다.

새롭게 발견된 광맥 시스템은 현재 광산 포털 근처의 높은 고도에 전략적으로 위치해 있어 운반 및 생산 비용을 줄일 것으로 예상됩니다. 2024년 연말 추정치는 LOM 계획에서 80%의 전환율로 총 자원 3,160,000톤을 보여줍니다.

Gold Resource (NYSE American: GORO) a annoncé des résultats positifs de son programme de forage d'exploration 2024 à la mine d'or Don David à Oaxaca, au Mexique. Le programme a révélé des découvertes significatives dans les systèmes de veines des Trois Sœurs et de Gloria, avec 23 trous de forage souterrains totalisant 7 671 mètres.

Les points forts incluent des intersections de haute qualité avec des valeurs équivalentes en or allant jusqu'à 36,10 g/t et des valeurs NSR atteignant 2 314 $/t. La zone des Trois Sœurs a montré une augmentation remarquable de 307% des ressources minérales par rapport à 2023. Le plan total de durée de vie de la mine (LOM) reflète une augmentation de 10% des ressources minérales estimées, avec des ressources mesurées et indiquées affichant un taux de conversion de 88%.

Les nouveaux systèmes de veines découverts sont stratégiquement situés près du portail actuel de la mine à des altitudes plus élevées, ce qui devrait réduire les coûts de transport et de production. Les estimations de fin d'année 2024 montrent des ressources totales de 3 160 000 tonnes avec un taux de conversion de 80% dans le plan LOM.

Gold Resource (NYSE American: GORO) hat positive Ergebnisse aus seinem Erkundungsbohrprogramm 2024 in der Don David Goldmine in Oaxaca, Mexiko, bekannt gegeben. Das Programm hat bedeutende Funde in den Erzgängen der Three Sisters und Gloria enthüllt, mit 23 Untertagebohrungen, die insgesamt 7.671 Meter umfassen.

Zu den wichtigsten Punkten gehören hochgradige Schnittstellen mit Goldäquivalentwerten von bis zu 36,10 g/t und NSR-Werten von bis zu $2.314/t. Der Bereich Three Sisters zeigte einen bemerkenswerten 307% Anstieg der Mineralressourcen im Vergleich zu 2023. Der gesamte Lebenszyklusplan (LOM) reflektiert einen Anstieg der geschätzten Mineralressourcen um 10%, wobei gemessene und angezeigte Ressourcen eine Umwandlungsrate von 88% aufweisen.

Die neu entdeckten Erzgänge sind strategisch in der Nähe des aktuellen Minenportals auf höheren Höhenlagen gelegen, was voraussichtlich die Transport- und Produktionskosten senken wird. Die Schätzungen zum Jahresende 2024 zeigen insgesamt 3.160.000 Tonnen Ressourcen mit einer Umwandlungsrate von 80% im LOM-Plan.

Positive
  • 307% increase in Three Sisters area mineral resources
  • 10% overall increase in estimated Mineral Resources
  • High conversion rate of 88% for measured and indicated resources
  • Strategic location of new veins promising lower production costs
  • High-grade intersections with gold equivalent values up to 36.10 g/t
Negative
  • 56% decrease in Switchback zone measured and indicated resources
  • 17% decrease in Arista zone measured and indicated resources
  • Investment required for additional equipment and development

Insights

Gold Resource 's 2024 drill results at Don David Gold Mine reveal significant high-grade discoveries that substantially enhance the company's resource potential. The new Three Sisters and Gloria vein systems represent a strategic addition to GORO's mineral inventory, with impressive intercepts including 4.7m at 15.53 g/t gold equivalent and NSR values approaching $1,000 per tonne.

What makes these discoveries particularly valuable is their favorable location - positioned closer to the mine portal and at higher elevations than current production areas. This strategic positioning translates to potentially lower haulage and production costs, which could meaningfully improve operating margins. The company has already begun development access, with initial sampling confirming the high grades identified in drilling.

The updated Life of Mine plan reflects a 10% increase in estimated Mineral Resources, with the Three Sisters area showing a remarkable 307% increase. For a company with a market capitalization of only $56.7 million, this resource expansion represents a material development.

The location of these new vein systems creates two significant advantages: reduced capital intensity for development due to proximity to existing infrastructure, and improved operating economics through shorter haulage distances. The company's ability to define these resources through targeted drilling demonstrates technical competence in resource delineation. While development timelines and capital requirements will be important factors to monitor, these discoveries provide a clear pathway to potential production growth and extended mine life.

New Vein System With Higher Grades Adds to Future Potential

DENVER--(BUSINESS WIRE)-- Gold Resource Corporation (NYSE American: GORO) (the “Company”) is pleased to announce a summary of the 2024 exploration drill results at the Companies Don David Gold Mine (“DDGM”) in Oaxaca, Mexico.

Cross-section looking northwest at the North Arista, Three Sisters and Switchback vein systems with 2024 drill holes.

Cross-section looking northwest at the North Arista, Three Sisters and Switchback vein systems with 2024 drill holes.

“We are excited to share the positive results of our 2024 exploration drilling program that indicate that the Three Sisters and Gloria vein systems will be significant contributors to our future resource at Don David,” stated Allen Palmiere. “The discovery and definition of the system is exciting and is a testament to our team's dedication and expertise. These new vein systems have the potential to not only add to our resource potential but to also will enhance our bottom line with improved accessibility and reduced production costs. Underground development has recently intersected the system and the sample results thus far have confirmed the previous drill results. We remain committed to developing this system into the future mine plan and further advancing our exploration efforts with the goal of maximizing shareholder value and organic growth.”

2024 EXPLORATION SUMMARY

The 2024 exploration drill program focused on underground infill and expansion drilling within the Three Sisters and Gloria vein systems as well as in veins of the North Arista system. Significant vein widths and grades identified through drilling have reinforced the emergence of the Three Sisters and Gloria systems as a major third vein system at DDGM, located between and north of the Arista and Switchback systems. The program yielded encouraging results, which were included in the updated S-K 1300 Technical Report Summary for DDGM released on March 5, 2025 (the “Report”), further demonstrating the potential of these vein systems.

The Company believes that the mine has significant potential to generate positive cash flow from the new areas of Three Sisters and Gloria, as well as other areas that have been discovered near the existing mining zones. These new vein systems offer easily accessible resources, situated close to the current mine portal and at significantly higher elevations than current production areas. The location of these vein systems should result in reduced haulage costs and reduced total production costs. In order to develop access and better define these new areas, an investment must be made in additional equipment and development.

2024 Drill Results: The exploration program included 23 underground infill and expansion drill holes, totaling 7,671 meters of diamond drilling at DDGM. Notable high-grade intersections were identified, advancing our exploration objectives by confirming the continuity and quality of polymetallic mineralization up-dip and along strike. The program confirmed and upgraded mineral resources from previous drilling campaigns within the Three Sisters and Gloria vein systems as well as in veins of the North Arista system. The Company expects to conduct additional exploration development in 2025 to enable further infill and expansion drilling to the northwest of the current defined vein extents in the Three Sisters/Gloria zone.

Below are select 2024 exploration infill drill results, including Gold Equivalent1 (“AuEq”) and Net Smelter Return2 (“NSR”) values from the Three Sisters and Gloria vein systems. All drill hole length composites are presented as Estimated True Widths3 (“ETW”) in meters.

  • Hole No. 524001: Sandy 1 vein
    • 6.85 m with 3.40 g/t AuEq and NSR value of $242/t
      • Includes: 2.07 m with 6.71 g/t AuEq and NSR value of $476/t
  • Hole No. 524005: Sandy 2 vein
    • 4.70 m with 15.53 g/t AuEq and NSR value of $966/t
      • Includes: 2.01 m with 21.08 g/t AuEq and NSR value of $1,298/t
  • Hole No. 524005: Gloria vein
    • 3.00 m with 7.67 g/t AuEq and NSR value of $535/t
      • Includes: 1.22 m with 16.47 g/t AuEq and NSR value of $1,142/t
  • Hole No. 524008: Gloria vein
    • 12.30 m with 4.77 g/t AuEq and NSR value of $348/t
      • Includes: 3.71 m with 6.17 g/t AuEq and NSR value of $487/t
  • Hole No. 524011: Sandy 1 vein
    • 8.03 m with 1.04 g/t AuEq and NSR value of $152/t
      • Includes: 4.58 m with 1.35 g/t AuEq and NSR value of $199/t
  • Hole No. 524011: Sandy 2 vein
    • 3.89 m with 6.22 g/t AuEq and NSR value of $435/t
      • Includes: 3.13 m with 9.20 g/t AuEq and NSR value of $632/t
  • Hole No. 524015: Sadie 2 vein
    • 6.00 m with 5.53 g/t AuEq and NSR value of $405/t
      • Includes: 3.14 m with 9.70 g/t AuEq and NSR value of $691/t
  • Hole No. 524027: Sadie 2 vein
    • 4.48 m with 16.65 g/t AuEq and NSR value of $1,073/t
      • Includes: 1.01 m with 36.10 g/t AuEq and NSR value of $2,314/t
  • Hole No. 524031: Sandy 2 vein
    • 8.72 m with 5.03 g/t AuEq and NSR value of $347/t
      • Includes: 1.39 m with 25.09 g/t AuEq and NSR value of $1,667/t
  • Hole No. 524042: Sadie 2 vein
    • 5.33 m with 10.26 g/t AuEq and NSR value of $666/t
      • Includes: 1.98 m with 13.77 g/t AuEq and NSR value of $893/t
__________________________

1

Gold Equivalent (“AuEq”) g/t is calculated using only gold and silver grades using an Au:Ag ratio of 89:11 and metal prices of y $2,760/oz gold and $31oz silver.

2

Net Smelter Return (“NSR”) is a calculated value of the estimated net revenues per tonne less transportation and refining costs and other miscellaneous payables. The NSR values calculated utilize metal price estimates of $2,760/oz gold, $31/oz silver, $4.15/lb copper, $0.89/lb lead and $1.31/lb zinc.

3

Estimated True Width (“ETW”) for reported vein intercepts are based on 3D models of the individual veins. Estimates are determined in cross-section by measuring the modelled vein thickness perpendicular to the vein margins and through the midpoint of the drill hole intercept. Differences between individual ETW’s and downhole interval lengths will vary between drill holes, depending on drill hole inclination, variations in vein strike and dip, and overall geometries of the different vein systems.

Three Sisters and Gloria Vein Systems

Initial drill intercepts into what is now referred to as the Three Sisters vein system were made in 2017 from underground drill stations in the Arista vein system while targeting northern extensions of veins in the Switchback system. Significant progress in defining this third vein system at DDGM occurred in 2022 and 2023, thanks to targeted underground exploration drilling guided by geologic re-interpretation. In 2024, the geologic model for the Three Sisters and Gloria vein systems was refined and improved using all available underground drill data in preparation for the 2024 year-end resource update.

The Three Sisters and Gloria vein systems remain open to the northwest, up-dip and at depth. Positive results to date have guided the direction of both infill and expansion (step-out) drill programs at DDGM.

Mine Development – Three Sisters

In December 2024, DDGM commenced drift development to access the Three Sisters vein system. The development on Level 4 has successfully intersected the Sandy 1 and Sandy 2 veins, revealing widths of up to 7.5 meters within a complex of colloform banded, hydrothermal breccia quartz veins. Detailed production channel sampling of these veins has confirmed high-grade results, with individual samples returning up to 44.23 AuEq and $2,780/t NSR4.

__________________________

4

Individual production channel sample of 0.8 m width. Assays by Corporacion Quimica Platinum S.A. de C.V., Guanajuato, Mexico, an independent laboratory accredited by the Mexican Accreditation Entity, A.C. (Entidad Mexicana de Acreditacion, A.C. (EMA)).

Life of Mine Plan

The 2024 year-end estimates of Mineral Reserves and Mineral Resources included in the report are the base of DDGM’s Life of Mine (“LOM”) plan. Conceptual stopes were created using Deswik Stope Optimizer software, applying a $120/t NSR cut-off grade. These stopes were then integrated into mine designs and schedules within Deswik to obtain the updated LOM plan. All stopes were evaluated for economic viability, with non-viable stopes excluded from the plan.

As of year-end 2024, measured and indicated Mineral Resources have a conversion rate of 88% to the LOM plan while inferred Mineral Resources have a conversion rate of 74%, resulting in a total average conversion rate of 80% of estimated Mineral Reserves and Mineral Resources.

Compared to the 2023 LOM plan, the 2024 LOM plan reflects a 10% increase in estimated Mineral Resources, primarily driven by a 307% increase of Mineral Resources in the Three Sisters area. Conversely, the Arista and Switchback areas show a decrease in Mineral Resources due to depletion. Additionally, some of the observed increase can be attributed to higher metal prices used in the NSR calculations.

 

Total Resource in LOM

 
 

Category

YE 2024

Tonnes

Conversion Rate

%

 
 

Measured & Indicated

1,322,000

88

 
 

Inferred

1,838,000

74

 
 

TOTAL

3,160,000

80

 

Measured and Indicated Resource in LOM

Zone

YE 2023

Tonnes

YE 2024

Tonnes

Difference

Tonnes

%

Arista

505,356

421,770

(83,586)

-17

Switchback

500,260

218,770

(281,722)

-56

Three Sisters

57,890

526,152

468,262

809

TOTAL

1,063,506

1,166,460

102,954

10

Inferred Resource in LOM

Zone

YE 2023

Tonnes

YE 2024

Tonnes

Difference

Tonnes

%

Arista

297,180

414,054

116,874

39

Switchback

219,069

285,658

66,589

30

Three Sisters

234,014

662,749

428,735

183

TOTAL

750,263

1,362,461

612,198

82

All Resource in LOM

Zone

YE 2023

Tonnes

YE 2024

Tonnes

Difference

Tonnes

%

Arista

802,536

835,824

33,288

4

Switchback

719,329

504,196

(215,133)

-30

Three Sisters

291,904

1,188,901

896,997

307

TOTAL

1,813,769

2,528,921

715,152

39

NI43-101 Technical Report for Don David Gold Mine filed on SEDAR+

As per Canadian securities laws, the Company is pleased to announce that following the release of the Report, the Company has filed a corresponding National Instrument 43-101 Technical Report for DDGM (the “43-101 Report”). The qualified persons for purposes of the 43-101 Report are the same individuals named in the Company’s March 5, 2025 news release who prepared the S-K 1300 Technical Report. The 43-101 Report is available for review on SEDAR+ at www.sedar.com

Select 2024 Infill and Expansion Drill Results5 – Three Sisters, Goria and North Arista Vein Systems

 

HOLE

VEIN FROM TO INTERVAL ETW* AU AG AuEq CU PB ZN NSR

ID

(m) (m) (m) (m) ( g/t ) ( g/t ) (g/t) ( % ) ( % ) ( % ) ($/t)

524001

Sadie 2

291.55

294.22

2.67

2.63

1.47

60

2.14

0.06

0.18

0.43

130

 

Incl.

293.00

294.22

1.22

1.20

2.68

76

3.53

0.12

0.36

0.86

215

524001

Sandy 1

298.87

305.82

6.95

6.85

1.51

168

3.40

0.17

0.97

2.01

242

 

Incl.

303.72

305.82

2.10

2.07

2.41

383

6.71

0.38

1.69

3.39

476

524005

Sandy 2

338.57

343.54

4.97

4.70

14.13

125

15.53

0.32

2.83

7.13

966

 

Incl.

338.57

340.69

2.12

2.01

18.55

226

21.08

0.40

3.77

8.15

1,298

524005

Sasha 2

351.61

355.82

4.21

3.65

2.22

31

2.56

0.12

0.98

2.70

187

 

Incl.

352.79

355.12

2.33

2.02

3.32

35

3.71

0.15

1.30

3.85

267

524005

Gloria

365.78

369.70

3.92

3.00

0.86

607

7.67

0.38

1.09

2.42

535

 

Incl.

365.78

367.37

1.59

1.22

1.79

1309

16.47

0.72

2.30

5.06

1,142

524008

Sandy 2

287.44

295.48

8.04

3.35

1.85

155

3.59

0.03

0.09

0.23

213

 

Incl.

292.24

294.75

2.51

1.04

5.14

245

7.89

0.04

0.15

0.31

453

524008

Gloria

317.73

330.07

12.34

12.30

3.97

71

4.77

0.29

2.27

4.15

348

 

Incl.

322.47

326.19

3.72

3.71

5.16

90

6.17

0.25

5.09

6.85

487

524008

Splay Gloria

385.65

391.78

6.13

2.59

1.55

30

1.89

0.22

0.83

3.68

166

 

Incl.

387.63

389.40

1.77

0.75

3.44

36

3.84

0.24

0.59

2.76

257

524011

Sandy 1

335.62

346.10

10.48

8.03

0.60

40

1.04

0.17

2.35

4.93

152

 

Incl.

338.93

344.91

5.98

4.58

0.83

47

1.35

0.19

3.14

6.60

199

524011

Sandy 2

347.16

353.38

6.22

3.89

5.86

33

6.22

0.24

1.62

6.18

435

 

Incl.

349.44

353.38

3.94

3.13

8.72

42

9.20

0.32

2.36

8.51

632

524011

Sasha 2

357.83

361.67

3.84

3.24

1.67

32

2.02

0.16

1.34

3.47

174

 

Incl.

360.08

361.67

1.59

1.34

2.97

50

3.53

0.19

2.40

6.04

299

524015

Sadie 2

324.72

331.64

6.92

6.00

1.36

372

5.53

0.60

1.06

2.63

405

 

Incl.

325.88

329.50

3.62

3.14

2.10

677

9.70

0.87

1.54

3.73

691

524022

Sandy 1

241.28

245.85

4.57

2.94

0.73

257

3.61

0.15

0.44

1.05

245

 

Incl.

242.33

243.50

1.17

0.75

0.54

321

4.14

0.17

0.56

1.38

287

524022

Sandy 2

255.72

259.58

3.86

2.48

0.61

233

3.23

0.15

0.51

1.18

224

 

Incl.

258.61

259.58

0.97

0.62

1.28

362

5.34

0.13

0.74

1.78

360

524024

Gloria

248.86

254.31

5.45

3.86

1.48

39

1.92

0.44

2.64

9.89

272

 

Incl.

250.27

253.00

2.73

1.93

2.10

35

2.49

0.44

3.31

14.66

366

524027

Sadie FW

142.61

146.00

3.39

2.60

0.26

364

4.35

0.01

0.05

0.13

276

 

Incl.

145.41

146.00

0.59

0.45

0.21

769

8.84

0.01

0.15

0.27

564

524027

Sadie 2

261.99

267.16

5.17

4.48

2.08

1299

16.65

0.32

0.63

1.53

1,073

 

Incl.

266.00

267.16

1.16

1.01

3.01

2950

36.10

0.81

0.44

1.44

2,314

524027

Sandy 1

270.22

272.87

2.65

2.29

0.85

435

5.73

0.23

0.33

0.84

378

 

Incl.

271.15

272.25

1.10

0.95

1.34

793

10.24

0.45

0.64

1.69

681

524029

Sadie HW

217.00

219.75

2.75

2.25

0.61

310

4.09

0.04

0.09

0.25

259

 

Incl.

218.11

219.75

1.64

1.34

0.89

438

5.80

0.05

0.14

0.36

367

524029

Sadie 2

295.68

297.92

2.24

1.93

0.21

363

4.28

0.01

0.11

0.37

275

 

Incl.

297.10

297.92

0.82

0.71

0.56

963

11.36

0.03

0.29

0.92

730

524031

Sandy 2

302.92

315.17

12.25

8.72

1.69

298

5.03

0.24

0.96

2.08

347

 

Incl.

302.92

304.73

1.81

1.39

4.80

1809

25.09

0.55

3.32

5.53

1,667

524033

Splay Gloria

295.29

302.06

6.77

4.35

0.45

42

0.91

1.18

1.37

2.97

153

 

Incl.

297.90

300.16

2.26

1.45

0.26

50

0.82

1.70

1.81

3.21

178

524034

Splay Gloria FW

459.64

466.03

6.39

5.53

0.19

28

0.50

0.12

0.85

5.65

112

 

Incl.

459.64

461.76

2.12

1.83

0.47

37

0.88

0.23

1.63

7.44

168

524037

Sandy 1

334.70

336.93

2.23

1.83

1.07

288

4.29

0.05

0.08

0.12

266

 

Incl.

334.70

335.67

0.97

0.80

2.26

504

7.91

0.02

0.07

0.15

481

524037

Sandy 2

339.75

342.91

3.16

2.24

0.57

461

5.74

0.06

0.14

0.30

365

 

Incl.

340.96

342.91

1.95

1.38

0.89

733

9.12

0.06

0.19

0.40

578

524042

Sadie HW

296.60

300.42

3.82

2.93

1.30

127

2.72

0.03

0.08

0.14

163

 

Incl.

297.24

298.31

1.07

0.82

2.41

144

4.03

0.02

0.09

0.16

234

524042

Sadie 2

301.48

309.06

7.58

5.33

1.89

746

10.26

0.21

0.78

1.46

666

 

Incl.

306.25

309.06

2.81

1.98

1.98

1051

13.77

0.26

1.16

1.37

893

524046

Splay 31

253.08

258.40

5.32

2.66

1.54

116

2.84

0.30

11.33

12.69

456

 

Incl.

256.19

257.94

1.75

0.88

1.63

225

4.15

0.22

27.84

17.48

780

524048

Marena North

122.71

125.26

2.55

2.51

0.52

56

1.15

0.25

2.45

3.65

149

 

Incl.

124.31

125.26

0.95

0.94

1.29

133

2.78

0.30

6.36

9.16

356

524054

Marena North

118.02

120.94

2.92

2.24

0.43

38

0.86

0.21

2.34

2.83

119

 

Incl.

118.02

119.21

1.19

0.91

0.99

83

1.92

0.29

5.59

5.80

256

524055

Splay 31

248.06

252.00

3.94

3.02

0.27

52

0.86

0.10

0.78

11.68

203

 

Incl.

250.78

252.00

1.22

0.94

0.43

104

1.60

0.09

1.69

17.75

331

___________________________

5

Assays by ALS, Vancouver, BC Canada. The Company conducts a significant QA/QC program which includes the insertion of assay standards, blanks, and duplicates in the sample stream to ensure the assay lab results are within specified performance levels.

About GRC:

Gold Resource Corporation is a gold and silver producer, developer, and explorer with its operations centered on the Don David Gold Mine in Oaxaca, Mexico. Under the direction of an experienced board and senior leadership team, the Company’s focus is to unlock the significant upside potential of its existing infrastructure and large land position surrounding the mine in Oaxaca, Mexico and to develop the Back Forty Project in Michigan, USA. For more information, please visit the Company’s website, located at www.goldresourcecorp.com.

Forward-Looking Statements:

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Forward-looking words such as “plan,” “target,” “anticipate,” “believe,” “estimate,” “intend” and “expect” and similar expressions are intended to identify such forward-looking statements. Such forward-looking statements include, without limitation, (i) the potential of the Three Sisters and Gloria vein systems and the Company’s expectation regarding its drilling and exploration activities in 2025. All forward-looking statements in this press release are based upon information available to the Company as of the date of this press release, and the Company assumes no obligation to update any such forward-looking statements. Forward-looking statements involve a number of risks and uncertainties, and there can be no assurance that such statements will prove to be accurate. The Company’s actual results could differ materially from those discussed in this press release. Forward-looking statements are subject to risks and uncertainties, including delays or challenges in satisfying the closing conditions of the offering. Additional risks related to the Company may be found in the periodic and current reports filed with the Securities and Exchange Commission by the Company, including the Company’s Annual Report on Form 10-K for the year ended December 31, 2023, which are available on the SEC’s website at www.sec.gov.

Allen Palmiere

Chief Executive Officer and President

www.goldresourcecorp.com

303-320-7708

Source: Gold Resource Corporation

FAQ

What are the key drilling results from GORO's 2024 exploration program?

The program included 23 underground holes totaling 7,671 meters, with notable intersections showing gold equivalent values up to 36.10 g/t and NSR values reaching $2,314/t in the Three Sisters and Gloria vein systems.

How much did GORO's mineral resources increase in the Three Sisters area for 2024?

The Three Sisters area showed a 307% increase in mineral resources compared to 2023, growing from 291,904 to 1,188,901 tonnes.

What is the total resource conversion rate in GORO's 2024 Life of Mine plan?

The total resource conversion rate is 80%, with measured and indicated resources at 88% conversion and inferred resources at 74% conversion.

How will the new Three Sisters and Gloria vein systems benefit GORO's operations?

The new vein systems are located closer to the mine portal at higher elevations, which should result in reduced haulage costs and lower total production costs.
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