Mineral Reserves and Resources

PROPERTY Mana1,2,5,6 Tapoa1,2,5,6
(Boungou Mine)
Yactibo1,3,5,6
(Nabanga Project)
Kongolokoro1,4,5,6
(Bantou Project)
Total
MINERAL RESERVES
Proven
Tonnes 7,405,000 2,680,000 10,085,000
Grade (g/t Au) 3.04 5.50 3.69
Ounces 723,800 474,000 1,197,800
Probable
Tonnes 8,582,000 8,259,000 16,841,000
Grade (g/t Au) 2.89 3.44 3.16
Ounces 798,200 913,000 1,711,200
TOTAL MINERAL RESERVES
Tonnes 15,987,000 10,939,000 26,926,000
Grade (g/t Au) 2.96 3.94 3.36
Ounces 1,522,000 1,387,000 2,909,300
MINERAL RESOURCES (exclusive of reserves)
Measured
Tonnes 8,683,000 118,000 8,801,000
Grade (g/t Au) 1.49 3.28 1.51
Ounces 415,600 12,000 427,600
Indicated
Tonnes 34,784,000 3,502,000 38,286,000
Grade (g/t Au) 2.04 2.88 2.12
Ounces 2,279,700 324,000 2,603,700
TOTAL M&I
Tonnes 43,467,000 3,620,000 47,087,000
Grade (g/t Au) 1.93 2.89 2.00
Ounces 2,695,300 336,000 3,031,300
Inferred
Tonnes 9,028,000 1,874,000 3,402,000 2,101,000 16,405,000
Grade (g/t Au) 2.66 2.78 7.69 5.35 4.06
Ounces 772,100 167,000 841,000 361,000 2,141,100

1 The Corporation indirectly owns a 100% interest in all of its permits, except for the permits held by SEMAFO Burkina Faso S.A. and SEMAFO Boungou S.A., respectively, in which the Government of Burkina Faso holds a 10% interest.
2 Mineral reserves and resources at Mana and at Tapoa (Boungou project) were estimated using a gold price of $1,200 and $1,400 per ounce, respectively.
3 Mineral resources at Yactibo Permit Group (Nabanga project) were reported above a 3.0 g/t Au cut-off grade.
4 Mineral resources at Kongolokoro Permit Group (Bantou project) were estimated using a gold price of $1,500 per ounce.
5 Rounding of numbers of tonnes and ounces may present slight differences in the figures.
6 All mineral resources reported are exclusive of mineral reserves.


Consolidated Reserves and Resources by Deposit

 

DEPOSITS DECEMBER 31, 2018
PROVEN RESERVES PROBABLE RESERVES TOTAL RESERVES
Tonnage Grade
(g/t Au)
Ounces5 Tonnage Grade
(g/t Au)
Ounces5 Tonnage Grade
(g/t Au)
Ounces5
MANA1,2,6 WONA-KONA 5,265,000 2.37 401,200 5,753,000 2.20 406,000 11,018,000 2.28 807,200
NYAFÉ 265,000 5.81 49,600 6,000 3.96 700 271,000 5.77 50,300
FOFINA 24,000 5.20 4,000 3,000 3.95 300 27,000 4.95 4,300
SIOU OP 733,000 3.84 90,400 181,000 1.79 10,400 914,000 3.43 100,800
SIOU UG 1,047,000 5.10 171,600 1,988,000 5.38 344,200 3,035,000 5.29 515,800
YAMA 651,000 1.75 36,600 651,000 1.75 36,600
ROMPAD 71,000 3.07 7,000 71,000 3.07 7,000
TOTAL 7,405,000 3.04 723,800 8,582,000 2.89 798,200 15,987,000 2.96 1,522,000
TAPOA1,2,6 BOUNGOU 2,179,000 6.28 440,000 8,259,000 3.44 913,000 10,438,000 4.03 1,353,000
ROMPAD 501,000 2.12 34,000 501,000 2.12 34,000
TOTAL 2,680,000 5.50 474,000 8,259,000 3.44 913,000 10,939,000 3.94 1,387,000
TOTAL 10,085,000 3.69 1,197,800 16,841,000 3.16 1,711,200 26,926,000 3.36 2,909,000

 

DEPOSITS DECEMBER 31, 2018
MEASURED INDICATED TOTAL RESOURCES
Tonnage Grade
(g/t Au)
Ounces5 Tonnage Grade
(g/t Au)
Ounces5 Tonnage Grade
(g/t Au)
Ounces5
MANA1,2,6 WONA-KONA 1,307,000 2.07 87,100 21,619,000 2.55 1,775,400 22,926,000 2.53 1,862,500
NYAFÉ 286,000 3.94 36,300 223,000 5.97 42,700 509,000 4.83 79,000
FOFINA 292,000 4.25 40,000 253,000 4.45 36,100 545,000 4.34 76,100
YAHO 5,738,000 0.91 168,500 11,636,000 0.88 330,800 17,374,000 0.89 499,300
FILON 67 26,000 2.72 2,300 9,000 3.59 1,000 35,000 2.93 3,300
FOBIRI 469,000 1.80 27,100 114,000 1.52 5,600 583,000 1.74 32,700
SIOU OP 52,000 0.64 1,100 44,000 0.66 900 96,000 0.65 2,000
SIOU UG 513,000 3.23 53,200 787,000 3.25 82,300 1,300,000 3.24 135,500
YAMA - - - 99,000 1.56 4,900 99,000 1.54 4,900
TOTAL 8,683,000 1.49 415,600 34,784,000 2.04 2,279,700 43,467,000 1.93 2,695,300
TAPOA1,2,6 BOUNGOU 118,000 3.28 12,000 3,502,000 2.88 324,000 3,620,000 2.89 336,000
TOTAL M&I 8,801,000 1.51 427,600 38,286,000 2.12 2,603,700 47,087,000 2.00 3,031,300

 

DEPOSITS DECEMBER 31, 2018
INFERRED
Tonnage Grade
(g/t Au)
Ounces5
MANA1,2,6 WONA-KONA 3,465,000 2.96 329,600
NYAFÉ 151,000 5.87 28,400
FOFINA 67,000 4.20 9,100
YAHO 223,000 0.78 5,600
FILON 67 6,000 6.32 1,100
FOBIRI 578,000 1.39 25,800
MAOULA 2,628,000 1.62 137,100
SIOU 1,852,000 3.91 232,900
YAMA 58,000 1.33 2,500
TOTAL 9,028,000 2.66 772,100
TAPOA1,2,6 BOUNGOU 1,874,000 2.78 167,000
YACTIBO1,3,6 NABANGA 3,402,000 7.69 841,000
KONGOLOKORO1,4,6 BANTOU 2,101,000 5.35 361,000
TOTAL 16,405,000 4.06 2,141,100

1 The Corporation indirectly owns a 100% interest in all of its permits, except for the permits held by SEMAFO Burkina Faso S.A. and SEMAFO Boungou S.A., respectively, in which the Government of Burkina Faso holds a 10% interest.
2 Mineral reserves and resources at Mana and at Tapoa (Boungou project) were estimated using a gold price of $1,200 and $1,400 per ounce, respectively.
3 Mineral resources at Yactibo Permit Group (Nabanga project) were reported above a 3.0 g/t Au cut-off grade.
4 Mineral resources at Kongolokoro Permit Group (Bantou project) were estimated using a gold price of $1,500 per ounce.
5 Rounding of numbers of tonnes and ounces may present slight differences in the figures.
6 All mineral resources reported are exclusive of mineral reserves.