American Bonanza Gold Mining Corp - Bonanza
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RESOURCES

Table 1. MEASURED & INDICATED GOLD MINERAL RESOURCES

Property

Classification

Tonnes

Average Grade
(grams/tonne Au)

Contained
Ounces of Gold

Copperstone

Measured + Indicated

 970,700

10.73

 334,929

Fenelon

Measured + Indicated

  47,927

19.61

  30,217

TOTAL

Measured + Indicated

 

 

365,146

Table 2. ADDITIONAL INFERRED GOLD MINERAL RESOURCES

Property

Classification

Tonnes

Average Grade
(grams/tonne Au)

Contained
Ounces of Gold

Copperstone

Inferred

 189,604

10.87

 66,000

Fenelon

Inferred

27,245

12.97

  11,000

Taurus

Inferred

21,150,000

  1.07

725,000

Northway

Inferred (a)

13,650,000

  1.48

650,000

Gold Bar

Inferred (b)

1,475,000

  3.12

148,000

TOTAL

Inferred

  

 

1,600,000  

Resources shown in Table 2 are in addition to the Measured and Indicated resources shown in Table 1.  All resources shown in Tables 1 and 2 are NI 43-101 compliant resources except (a) represents Bonanza’s 75% share of the total historic, non NI 43-101 compliant resources completed by Cyprus Canada Inc in 1994 and (b) historic, non NI 43-101 compliant resources recently shown to extend to the north and east with additional follow-up drilling planned (see Dec. 1, 2005 news release).  Investors are cautioned not to rely upon these historic estimates. 

Table 3. COPPERSTONE MINERAL RESOURCE (Cutoff grade = 5.1 g/t Au)

Zones

Classification

Tonnes

Average Grade
(grams/tonne Au)

Contained Ounces of Gold

A, B, C and D

Measured + Indicated

970,700

10.73

334,929

A, B, C and D

Inferred

189,604

 10.87

  66,000