Mineral Resource Estimates

Table 1: Edikan Measured and Indicated Mineral Resources - 30 June 2018 7,8,9

 

Notes:
1. Based on January 2017 Mineral Resource models constrained to US$1,800/oz pit shells.
2. Depleted to 30 June 2018 mining surfaces.
3. 0.4g/t gold cut-off grade applied.
4. Includes Bokitsi North lode.
5. 0.7g/t gold cut-off grade applied.
6. At zero cut-off grade.
7. All Mineral Resources are current as at 30 June 2018.
8. Mineral Resources are inclusive of Ore Reserves.
9. Rounding of numbers to appropriate precisions may have resulted in apparent inconsistencies.
 

Table 2: Edikan's Inferred Mineral Resources - 30 June 2018 6,7

 
Notes:
1. Based on January 2017 Mineral Resource models constrained to US$1,00/oz pit shells.
2. Depleted to 30 June 2018 mining surfaces.
3. 0.4g/t gold cut-off grade applied
4. Includes Bokitsi North lode
5. 0.7g/t gold cut-off grade applied.
6. All Mineral Resources are current as at 30 June 2018.
7. Rounding of numbers to appropriate precisions may have resulted in apparent inconsistencies. 

 

Table 3: Edikan Closing Stockpiles - 30 June 2018

 

 Table 4: Sissingué Measured and Indicated Mineral Resources - 30 June 2018 6,7,8,9

 
 Notes:
1. Based on December 2016 Mineral Resource model constrained to US$1,800/oz pit shell.
2. Depleted to 30 June 2018 mining surface.
3. 0.6g/t gold cut-off grade applied to in situ material.
4. Based on February 2017 Mineral Resource models constrained to US$1,800/oz pit shells.
5. 0.8g/t gold cut-off grade applied.
6. All Mineral Resources current at 30 June 2018.
7. Mineral Resources are inclusive of Ore Reserves.
8. Rounding of numbers to appropriate precisions may have resulted in apparent inconsistencies.
9. Fimbiasso East and West were previously called Bélé East and West respectively.

 Table 5: Sissingué Inferred Mineral Resources - 30 June 2018 6,7,8

Notes:

1. Based on December 2016 Mineral Resource model constrained to US$1,800/oz pit shell.
2. Depleted to 30 June 2018 mining surface.
3. 0.6g/t gold cut-off grade applied to in situ material.
4. Based on February 2017 Mineral Resource models constrained to US$1,800/oz pit shells.
5. 0.8g/t gold cut-off grade applied.
6. All Mineral Resources current at 30 June 2018.

 

Table 6: Yaouré Mineral Resources – 30 June 2018

 Notes:
1. Based on November 2017 Mineral Resource estimate.
2. Depleted for previous mining.
3. 0.4g/t gold cut-off grade applied to in situ open pit material.
4. In situ resources constrained to US$1,800/oz pit shells.
5. Heap leach resources stated at 0.0g/t gold cut-off; only heap components with average grade above 0.4g/t included.
6. Mineral Resources current at 30 June 2018.
7. Indicated Mineral Resources are inclusive of Ore Reserves.
8. Rounding of numbers to appropriate precisions may have resulted in apparent inconsistencies.

 

Ore Reserve Estimates

Table 7: Edikan Gold Mine Proved and Probable Ore Reserves as at 30 June 2018 3,6,7

Notes:
1. Based on June 2018 Mineral Resource estimate which is depleted to 30th June 2018.
2. Based on stockpile balance as at 30th June 2018.
3. All Ore Reserves current as at 30th June 2018.
4. Variable gold grade cut-off based on recovery of each material type in each deposit: Oxide 0.40 – 0.55 g/t, Transition 0.55 – 0.75 g/t and Fresh 0.50 – 0.60 g/t.
5. Based on 0.40 g/t gold grade cut-off.
6. Inferred Mineral Resource is considered as waste, t : t.
7. Rounding of numbers to appropriate precisions may have resulted in apparent inconsistencies.
 

Table 8: Sissingué Gold Mine Proved and Probable Ore Reserves as at 30 June 2018 7,8

Notes:
1. Based on January 2017 Ore Reserve estimation.
2. Variable gold grade cut-off based on recovery of each material type: Oxide 0.45 g/t, Transition 0.85 g/t, Granite – Porphyry 0.85 g/t and Sediment 1.05 g/t.
3. Based on March 2017 Ore Reserve estimation.
4. Variable gold grade cut-off based on recovery of each material type: Oxide 0.65 g/t, Transition 0.95 g/t, Granite 1.05 g/t and Mafic 1.20 g/t.
5. Variable gold grade cut-off based on recovery of each material type: Oxide 0.65 g/t, Transition 1.00 g/t, Granite 1.05 g/t and Mafic 1.20 g/t.
6. Allows for mining depletion to 30th June 2018.
7. Ore Reserve current as at 30th June 2018.
8. Rounding of numbers to appropriate precisions may have resulted in apparent inconsistencies.
 
9. Fimbiasso East and West were previously called Bélé East and West respectively.
 

Table 9: Yaouré Gold Proved and Probable Ore Reserves as at 30 June 2018 4,5

Notes:
1. Based on September 2017 Ore Reserve estimation.
2. Variable gold grade cut-off based on recovery of each material type: Weathered 0.40 g/t, Transition 0.45 g/t, CMA Fresh 0.50 g/t and Yaouré Fresh 0.65 g/t.
3. Based on 0.45 g/t gold grade cut-off.
4. Ore Reserve current as at 30th June 2018.
 
5. Rounding of numbers to appropriate precisions may have resulted in apparent inconsistencies.

 

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