# Operational Costs

Below is the estimated monthly cost structure for mining operations, including equipment usage, workforce, and administrative expenses.

#### Fuel Consumption

| Equipment         | Quantity | Monthly Consumption | Cost Share (%) |
| ----------------- | -------- | ------------------- | -------------- |
| Excavator         | 2        | 6,080               | 23.03%         |
| Mechanical Shovel | 2        | 4,800               | 18.18%         |
| Dump Truck (16m³) | 5        | 6,400               | 24.24%         |
| Water Truck       | 1        | 1,280               | 485%           |
| Motor Grader      | 1        | 2,400               | 9.09%          |
| Generator         | 1        | 4,800               | 18.18%         |
| Support Vehicles  | 2        | 640                 | 2.42%          |
| **Total**         | **14**   | **26,400**          | **100%**       |

#### Machinery & Equipments Rent Costs

| Equipment         | Quantity | Unity Monthly Value (BRL) | Total Monthly Value (BRL) |
| ----------------- | -------- | ------------------------- | ------------------------- |
| Excavator         | 2        | R$ 30,000                 | R$ 60,000                 |
| Mechanical Shovel | 2        | R$ 25,000                 | R$ 50,000                 |
| Dump Truck (16m³) | 4        | R$ 25,000                 | R$ 100,000                |
| Water Truck       | 1        | R$ 20,000                 | R$ 20,000                 |
| Motor Grader      | 1        | R$ 50,000                 | R$ 50,000                 |
| Generator         | 1        | R$ 0.00                   | R$ 0.00                   |
| Support Vehicles  | 2        | R$ 0.00                   | R$ 0.00                   |
| **Total**         |          |                           | **R$ 280,000**            |

#### **Employee Payroll**

<table><thead><tr><th>Role</th><th>Quantity</th><th>Salary (BRL)</th><th width="138">Total (BRL)</th><th>Total (USD)</th><th>Share (%)</th></tr></thead><tbody><tr><td>Geologist</td><td>1</td><td>R$10,000.00</td><td>R$10,000.00</td><td>$1,748.25</td><td>9.14%</td></tr><tr><td>Mining Engineer</td><td>1</td><td>R$10,000.00</td><td>R$10,000.00</td><td>$1,748.25</td><td>9.14%</td></tr><tr><td>Production Engineer</td><td>1</td><td>R$7,000.00</td><td>R$7,000.00</td><td>$1,223.78</td><td>6.40%</td></tr><tr><td>Supervisor</td><td>1</td><td>R$5,000.00</td><td>R$5,000.00</td><td>$874.13</td><td>4.57%</td></tr><tr><td>Crushing Team</td><td>1</td><td>R$30,000.00</td><td>R$30,000.00</td><td>$5,244.76</td><td>27.43%</td></tr><tr><td>Security Guards</td><td>2</td><td>R$2,187.00</td><td>R$4,374.00</td><td>$764.69</td><td>4.00%</td></tr><tr><td>Truck Drivers</td><td>5</td><td>R$2,380.00</td><td>R$11,900.00</td><td>$2,080.42</td><td>10.88%</td></tr><tr><td>Machine Operators</td><td>5</td><td>R$4,000.00</td><td>R$20,000.00</td><td>$3,496.50</td><td>18.29%</td></tr><tr><td>General Services</td><td>1</td><td>R$2,500.00</td><td>R$2,500.00</td><td>$437.06</td><td>2.29%</td></tr><tr><td>Assistant</td><td>1</td><td>R$1,600.00</td><td>R$1,600.00</td><td>$279.72</td><td>1.46%</td></tr><tr><td>Cook</td><td>1</td><td>R$2,000.00</td><td>R$2,000.00</td><td>$349.65</td><td>1.83%</td></tr><tr><td>Surveyor (Topography)</td><td>1</td><td>R$5,000.00</td><td>R$5,000.00</td><td>$874.13</td><td>4.58%</td></tr><tr><td><strong>Total</strong></td><td><strong>21</strong></td><td>—</td><td><strong>R$109,374.00</strong></td><td><strong>$19,121.33</strong></td><td><strong>100%</strong></td></tr></tbody></table>

#### **Operational Costs**

| Description              | Quantity | Cost (BRL)       | Cost (USD)      | Cost Share (%) |
| ------------------------ | -------- | ---------------- | --------------- | -------------- |
| Electricity              | 1        | R$1,000.00       | $174.83         | 0.17%          |
| Internet                 | 2        | R$400.00         | $69.93          | 0.07%          |
| Food                     | 1,012    | R$20,240.00      | $3,537.41       | 3.41%          |
| Office Supplies          | 1        | R$400.00         | $69.93          | 0.07%          |
| Equipment Maintenance    | 1        | R$10,000.00      | $1,748.25       | 1.69%          |
| Fuel Consumption         | 26,400   | R$171,600.00     | $30,000.00      | 28.94%         |
| Employee Payroll         | 1        | R$109,374.00     | $19,121.33      | 18.44%         |
| Machinery & Truck Rental | 1        | R$280,000.00     | $48,951.05      | 47.22%         |
| **Total**                |          | **R$593.014,00** | **$103,672.73** | **100%**       |



The BRL/USD conversion was made at 5.72, which is the price at the time of this writing.
