----

| SOCIEDAD DE SERVICIOS TECNICOS GEOLOGICOS GEOTEC BOYLES BROS S.A. |   |
|-------------------------------------------------------------------|--------|
|                                                              |   |   |   |   |   |   |   |   |   |
| BALANCE SHEETS AS OF DECEMBER 31, 2010 AND 2009                   |   |   |   |   |   |   |   |   |   |
| (In thousands of United States dollars - ThUS$)                   |   |   |   |   |   |   |   |   |   |
| (The 2010 financial statements are unaudited)                     |   |   |   |   |   |   |   |   |   |
|                                                              |   |   |   |   |   |   |   |   |   |
|                                                              |   | Notes |   |   | 2010 |   |   | 2009 |   |
| ASSETS                                                            |   |   |   |   | ThUS$ |   |   | ThUS$ |   |
|                                                              |   |   |   |   | (Unaudited) |   |   |   |   |
| CURRENT ASSETS:                                                   |   |   |   |   |   |   |   |   |   |
| Cash and cash equivalents                                         |   |   |   |   | 7,484 |   |   | 3,632 |   |
| Trade receivables, net                                            |   | 3 |   |   | 37,109 |   |   | 29,516 |   |
| Accounts receivable from related companies                        |   | 6 |   |   | 466 |   |   | 1,580 |   |
| Inventories, net                                                  |   | 3 |   |   | 11,203 |   |   | 8,482 |   |
| Prepaid expenses and other current assets                         |   | 3 |   |   | 974 |   |   | 681 |   |
| Deferred income taxes                                             |   | 9 |   |   | 1,235 |   |   | 1,114 |   |
|                                                              |   |   |   |   |   |   |   |   |   |
| Total current assets                                              |   |   |   |   | 58,471 |   |   | 45,005 |   |
|                                                              |   |   |   |   |   |   |   |   |   |
| PROPERTY, PLANT AND EQUIPMENT:                                    |   |   |   |   |   |   |   |   |   |
| Buildings                                                         |   |   |   |   | 1,322 |   |   | 1,322 |   |
| Camps                                                             |   |   |   |   | 216 |   |   | 216 |   |
| Machinery and equipment                                           |   |   |   |   | 28,912 |   |   | 26,805 |   |
| Vehicles                                                          |   |   |   |   | 15,430 |   |   | 14,198 |   |
| Office furniture and equipment                                    |   |   |   |   | 67 |   |   | 67 |   |
| Machinery and vehicles acquired under capital leases              |   |   |   |   | 11,789 |   |   | 20,117 |   |
|                                                              |   |   |   |   |   |   |   |   |   |
|                                                              |   |   |   |   | 57,736 |   |   | 62,725 |   |
| Less - accumulated depreciation                                   |   |   |   |   | (31,829 | ) |   | (35,531 | ) |
|                                                              |   |   |   |   |   |   |   |   |   |
| Net property, plant and equipment                                 |   |   |   |   | 25,907 |   |   | 27,194 |   |
|                                                              |   |   |   |   |   |   |   |   |   |
| OTHER ASSETS:                                                     |   |   |   |   |   |   |   |   |   |
| Account receivables from related companies                        |   | 6 |   |   | - |   |   | 100 |   |
| Investment in affiliate                                           |   | 5 |   |   | 103 |   |   | 116 |   |
|                                                              |   |   |   |   |   |   |   |   |   |
| Total other assets                                                |   |   |   |   | 103 |   |   | 216 |   |
|                                                              |   |   |   |   |   |   |   |   |   |
| TOTAL ASSETS                                                      |   |   |   |   | 84,481 |   |   | 72,415 |   |

----

|                                       |   |   |   |   |        |   |   |   |   |
|--------------------------------------------|--------|--------|--------|--------|-------------|--------|--------|--------|--------|
|                                       |   | Notes  |   |   | 2010        |   |   | 2009   |   |
| LIABILITIES AND STOCKHOLDERS' EQUITY       |   |   |   |   | ThUS$       |   |   | ThUS$  |   |
|                                       |   |   |   |   | (Unaudited) |   |   |   |   |
| CURRENT LIABILITIES:                       |   |   |   |   |        |   |   |   |   |
| Current maturities of long-term debt       |   | 7      |   |   | 112         |   |   | 253    |   |
| Current maturities of capital leases       |   | 8      |   |   | 3,133       |   |   | 5,162  |   |
| Accounts payable                           |   | 3      |   |   | 10,914      |   |   | 9,755  |   |
| Accounts payable to related companies      |   | 6      |   |   | 1,425       |   |   | 1,108  |   |
| Withholdings and accrued expenses          |   | 3      |   |   | 8,766       |   |   | 5,843  |   |
| Unearned income                            |   | 3      |   |   | 1,682       |   |   | 908    |   |
| Income taxes payable                       |   |   |   |   | 1,303       |   |   | 1,258  |   |
| Other current liabilities                  |   |   |   |   | 739         |   |   | 1,848  |   |
|                                       |   |   |   |   |        |   |   |   |   |
| Total current liabilities                  |   |   |   |   | 28,074      |   |   | 26,135 |   |
|                                       |   |   |   |   |        |   |   |   |   |
| LONG-TERM LIABILITIES:                     |   |   |   |   |        |   |   |   |   |
| Long-term debt                             |   | 7      |   |   | -           |   |   | 107    |   |
| Capital leases                             |   | 8      |   |   | 1,457       |   |   | 848    |   |
| Unearned income                            |   | 3      |   |   | 2,705       |   |   | 3,286  |   |
| Deferred income taxes                      |   | 9      |   |   | 2,158       |   |   | 1,987  |   |
|                                       |   |   |   |   |        |   |   |   |   |
| Total long-term liabilities                |   |   |   |   | 6,320       |   |   | 6,228  |   |
|                                       |   |   |   |   |        |   |   |   |   |
| STOCKHOLDERS' EQUITY:                      |   |   |   |   |        |   |   |   |   |
| Common stock                               |   |   |   |   | 310         |   |   | 310    |   |
| Retained earnings                          |   |   |   |   | 49,777      |   |   | 39,742 |   |
|                                       |   |   |   |   |        |   |   |   |   |
| Total stockholders' equity                 |   |   |   |   | 50,087      |   |   | 40,052 |   |
|                                       |   |   |   |   |        |   |   |   |   |
|                                       |   |   |   |   |        |   |   |   |   |
|                                       |   |   |   |   |        |   |   |   |   |
| TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY |   |   | 84,481 |   |        | 72,415 |   |

----

| SOCIEDAD DE SERVICIOS TECNICOS GEOLOGICOS GEOTEC BOYLES BROS S.A. |   |
|-------------------------------------------------------------------|--------|
|                                                              |   |   |   |   |   |   |   |   |   |   |
| STATEMENTS OF INCOME                                              |   |   |   |   |   |   |   |   |   |   |
| FOR THE YEARS ENDED DECEMBER 31, 2010, 2009 AND 2008              |   |   |   |   |   |   |   |
| (In thousands of United States dollars - ThUS$)                   |   |   |   |   |   |   |   |   |   |   |
| (The 2010 and 2008 financial statements are unaudited)            |   |   |   |   |   |   |   |   |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |
|                                                              | Notes  |   | 2010 |   |   | 2009 |   |   | 2008 |   |
|                                                              |   |   | ThUS$ |   |   | ThUS$ |   |   | ThUS$ |   |
|                                                              |   |   | (Unaudited) |   |   |   |   |   | (Unaudited) |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| REVENUES                                                          |   |   | 169,134 |   |   | 144,866 |   |   | 136,922 |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| COST OF REVENUES                                                  |   |   | (147,105 | ) |   | (121,583 | ) |   | (119,471 | ) |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| GROSS PROFIT                                                      |   |   | 22,029 |   |   | 23,283 |   |   | 17,451 |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| SELLING, GENERAL AND ADMINISTRATIVE EXPENSES                      |   | (7,604 | ) |   | (6,191 | ) |   | (4,125 | ) |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| OPERATING INCOME                                                  |   |   | 14,425 |   |   | 17,092 |   |   | 13,326 |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| OTHER INCOME (EXPENSE):                                           |   |   |   |   |   |   |   |   |   |   |
| Equity in net earnings of affiliate                               |   |   | 40 |   |   | 50 |   |   | 33 |   |
| Financial expense                                                 |   |   | (491 | ) |   | (939 | ) |   | (958 | ) |
| Foreign exchange gains (losses)                                   |   |   | 822 |   |   | (144 | ) |   | (111 | ) |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| Other income (expense)                                            |   |   | 371 |   |   | (1,033 | ) |   | (1,036 | ) |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| Income before income taxes                                        |   |   | 14,796 |   |   | 16,059 |   |   | 12,290 |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| Income tax expense                                                | 9      |   | (1,761 | ) |   | (3,031 | ) |   | (1,491 | ) |
|                                                              |   |   |   |   |   |   |   |   |   |   |
| Net income                                                        |   |   | 13,035 |   |   | 13,028 |   |   | 10,799 |   |

----

| SOCIEDAD DE SERVICIOS TECNICOS GEOLOGICOS GEOTEC BOYLES BROS S.A. |   |
|-------------------------------------------------------------------|--------|
|                                                              |   |   |   |   |   |   |   |   |   |   |   |   |
| STATEMENTS OF STOCKHOLDERS' EQUITY                                |   |   |   |   |   |   |   |   |   |   |
| FOR THE YEARS ENDED DECEMBER 31, 2010, 2009 AND 2008              |   |   |   |   |   |   |   |
| (In thousands of United States dollars - ThUS$)                   |   |   |   |   |   |   |   |   |   |   |
| (The 2010 and 2008 financial statements are unaudited)            |   |   |   |   |   |   |   |   |   |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                              |   | Common |   |   | Common |   |   | Retained |   |   | Total |   |
|                                                              |   | Shares |   |   | stock |   |   | earnings |   |   | equity |   |
|                                                              |   |   |   |   | ThUS$ |   |   | ThUS$ |   |   | ThUS$ |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |   |   |
| Balance as of January 1, 2008                                     |   | 3,600,000 |   |   | 310 |   |   | 20,815 |   |   | 21,125 |   |
| Dividends distribution                                            |   |   |   |   | - |   |   | (2,000 | ) |   | (2,000 | ) |
| Comprehensive income:                                             |   |   |   |   |   |   |   |   |   |   |   |   |
|    Net income as of december 31, 2008              |   |   |   |   | - |   |   | 10,799 |   |   | 10,799 |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |   |   |
| Balance as of December 31, 2008                                   |   | 3,600,000 |   |   | 310 |   |   | 29,614 |   |   | 29,924 |   |
| Dividends distribution                                            |   |   |   |   | - |   |   | (2,900 | ) |   | (2,900 | ) |
| Comprehensive income:                                             |   |   |   |   |   |   |   |   |   |   |   |   |
|    Net income as of december 31, 2009              |   |   |   |   | - |   |   | 13,028 |   |   | 13,028 |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |   |   |
| Balance as of December 31, 2009                                   |   | 3,600,000 |   |   | 310 |   |   | 39,742 |   |   | 40,052 |   |
| Dividends distribution                                            |   |   |   |   | - |   |   | (3,000 | ) |   | (3,000 | ) |
| Comprehensive income:                                             |   |   |   |   |   |   |   |   |   |   |   |   |
|    Net income as of december 31, 2010              |   |   |   |   | - |   |   | 13,035 |   |   | 13,035 |   |
|                                                              |   |   |   |   |   |   |   |   |   |   |   |   |
| Balance as of December 31, 2010                                   |   |   |   |   | 310 |   |   | 49,777 |   |   | 50,087 |   |

----

| SOCIEDAD DE SERVICIOS TECNICOS GEOLOGICOS GEOTEC BOYLES BROS S.A. |   |        |   |   |      |   |   |
|-------------------------------------------------------------------|--------|-------------|--------|--------|-----------|--------|--------|
|                                                              |   |        |   |   |      |   |   |   |   |
| STATEMENTS OF CASH FLOWS                                          |   |        |   |   |      |   |   |   |   |
| FOR THE YEARS ENDED DECEMBER 31, 2010, 2009 AND 2008              |   |        |   |   |      |   |   |   |   |
| (In thousands of United States dollars - ThUS$)                   |   |        |   |   |      |   |   |   |   |
| (The 2010 and 2008 financial statements are unaudited)            |   |        |   |   |      |   |   |   |   |
|                                                              |   |        |   |   |      |   |   |   |   |
|                                                              |   | 2010        |   |   | 2009      |   |   | 2008 |   |
|                                                              |   | ThUS$       |   |   | ThUS$     |   |   | ThUS$ |   |
|                                                              |   | (Unaudited) |   |   |      |   |   | (Unaudited) |   |
| CASH FLOWS FROM OPERATING ACTIVITIES:                             |   |        |   |   |      |   |   |   |   |
| Collection of trade account receivables                           |   | 193,115     |   |   | 167,105   |   |   | 155,747 |   |
| Other income received                                             |   | 432         |   |   | 494       |   |   | 1,376 |   |
| Payments to suppliers and personnel                               |   | ( 158,619   | )      |   | ( 133,182 | )      |   | ( 128,754 | ) |
| Payment of interest                                               |   | ( 599       | )      |   | ( 939     | )      |   | ( 953 | ) |
| VAT and similar items paid                                        |   | (16,083     | )      |   | (13,529   | )      |   | (9,153 | ) |
|                                                              |   |        |   |   |      |   |   |   |   |
| Total net cash flows provided by operating activities             |   | 18,246      |   |   | 19,949    |   |   | 18,263 |   |
|                                                              |   |        |   |   |      |   |   |   |   |
| CASH FLOWS FROM FINANCING ACTIVITIES:                             |   |        |   |   |      |   |   |   |   |
| Payment of leasing                                                |   | (5,427      | )      |   | (4,119    | )      |   | (3,949 | ) |
| Leaseback                                                         |   | -           |   |   | -         |   |   | 9,159 |   |
| Loans                                                             |   | -           |   |   | 8,027     |   |   | 16,188 |   |
| Dividend payments                                                 |   | (3,000      | )      |   | (2,900    | )      |   | (2,000 | ) |
| Bank short term borrowings                                        |   | (257        | )      |   | (13,646   | )      |   | (21,162 | ) |
|                                                              |   |        |   |   |      |   |   |   |   |
| Total net cash flow used in financing activities                  |   | (8,684      | )      |   | (12,638   | )      |   | (1,764 | ) |
|                                                              |   |        |   |   |      |   |   |   |   |
| CASH FLOWS FROM INVESTMENT ACTIVITIES:                            |   |        |   |   |      |   |   |   |   |
| Sales of fixed assets                                             |   | 5,914       |   |   | -         |   |   | - |   |
| Purchases of fixed assets                                         |   | ( 11,624    | )      |   | ( 6,296   | )      |   | ( 15,732 | ) |
|                                                              |   |        |   |   |      |   |   |   |   |
| Total net cash flow used in investment activities                 |   | (5,710      | )      |   | (6,296    | )      |   | (15,732 | ) |
|                                                              |   |        |   |   |      |   |   |   |   |
| NET INCREASE (DECREASE) IN CASH FLOWS FOR THE YEAR                |   | 3,852       |   |   | 1,015     |   |   | 767 |   |
|                                                              |   |        |   |   |      |   |   |   |   |
| CASH AND CASH EQUIVALENTS AT BEGINING OF YEAR                     |   | 3,632       |   |   | 2,617     |   |   | 1,850 |   |
|                                                              |   |        |   |   |      |   |   |   |   |
| CASH AND CASH EQUIVALENTS AT THE END OF YEAR                      |   | 7,484       |   |   | 3,632     |   |   | 2,617 |   |

----

| SOCIEDAD DE SERVICIOS TECNICOS GEOLOGICOS GEOTEC BOYLES BROS S.A.                 |   |
|-----------------------------------------------------------------------------------|--------|
|                                                                              |   |   |   |   |   |   |   |   |   |
| STATEMENT OF CASH FLOWS                                                           |   |   |   |   |   |   |   |   |   |
| FOR THE YEARS ENDED DECEMBER 31, 2010, 2009 AND 2008                              |   |   |   |   |   |   |   |
| (In thousands of United States dollars - ThUS$)                                   |   |   |   |   |   |   |   |   |   |
| (The 2010 and 2008 financial statements are unaudited)                            |   |   |   |   |   |   |   |   |   |
|                                                                              |   |   |   |   |   |   |   |   |   |
|                                                                              |   | 2010 |   |   | 2009 |   |   | 2008 |   |
|                                                                              |   | ThUS$ |   |   | ThUS$ |   |   | ThUS$ |   |
|                                                                              |   | (Unaudited) |   |   |   |   |   | (Unaudited) |   |
| RECONCILIATION BETWEEN NET CASH FLOWS PROVIDED BY                                 |   |   |   |   |   |   |
|    OPERATING ACTIVITIES AND NET INCOME FOR THE YEAR:                    |   |   |   |   |   |   |   |
| Net income                                                                        |   | 13,035 |   |   | 13,028 |   |   | 10,799 |   |
|                                                                              |   |   |   |   |   |   |   |   |   |
| Adjustments to reconcile net income to net cash provided by operating activities: |   |   |   |   |
|    Depreciation                                                         |   | 9,024 |   |   | 7,809 |   |   | 5,648 |   |
|    Net foreign exchange differences                                     |   | (822 | ) |   | 144 |   |   | 111 |   |
|    Equity share in net income of related company                   |   | (40 | ) |   | (50 | ) |   | (33 | ) |
|    Allowance for inventory reserve                                 |   | 652 |   |   | 220 |   |   | 315 |   |
|    Deferred income taxes                                           |   | (22 | ) |   | 593 |   |   | (267 | ) |
|                                                                              |   |   |   |   |   |   |   |   |   |
| Changes in operating assets (increases) decreases:                                |   |   |   |   |   |   |   |   |   |
|    Trade account receivables                                            |   | (7,593 | ) |   | (5,521 | ) |   | (4,066 | ) |
|    Inventories                                                          |   | (2,721 | ) |   | 924 |   |   | (5,167 | ) |
|    Other assets                                                         |   | 426 |   |   | (150 | ) |   | 1,263 |   |
|    Due from related companies                                      |   | 1,114 |   |   | (962 | ) |   | 1,314 |   |
|                                                                              |   |   |   |   |   |   |   |   |   |
| Changes in operating liabilities increases (decreases):                           |   |   |   |   |   |   |   |   |   |
|    Accounts payable related to operating income                         |   | 1,159 |   |   | 575 |   |   | 2,239 |   |
|    Other accounts payable                                               |   | 3,215 |   |   | 3,928 |   |   | 478 |   |
|    Unearned revenues                                               |   | 774 |   |   | 94 |   |   | 4,100 |   |
|    VAT and similar payables                                             |   | 45 |   |   | (683 | ) |   | 1,529 |   |
|                                                                              |   |   |   |   |   |   |   |   |   |
| NET CASH PROVIDED BY OPERATING ACTIVITIES                                         |   | 18,246 |   |   | 19,949 |   |   | 18,263 |   |

----

----

----

|                    | Years  |
|-------------------------|--------|
| Buildings               | 20     |
| Camps                   | 1      |
| Machinery and equipment | 5      |
| Vehicles                | 3 to 5 |
| Leased assets           | 5      |

----

|                                                                |   | December 31, |   |
|---------------------------------------------------------------------|--------|--------------|--------|
|                                                                |   | 2010         |   |   | 2009 |   |
|                                                                |   | (unaudited)  |   |   |   |   |
| (in thousands of U.S. dollars - ThUS$)                              |   | ThUS$        |   |   | ThUS$ |   |
|                                                                |   |         |   |   |   |   |
| Accounts receivable, net                                            |   |         |   |   |   |   |
|    Accounts receivable                                    |   |         | 37,109 |   |   |   | 29,516 |   |
|       Less allowance for doubtful accounts |   |         | -      |   |   |   | - |   |
|                                                                |   |         |   |   |   |   |   |   |
|                                                                |   |         | 37,109 |   |   |   | 29,516 |   |
|                                                                |   |         |   |   |   |   |   |   |
| Inventories, net                                                    |   |         |   |   |   |   |   |   |
|    Bits and diamonds                                      |   |         | 543    |   |   |   | 956 |   |
|    Bars and casings                                       |   |         | 6,432  |   |   |   | 5,330 |   |
|    Spare parts and other                                  |   |         | 4,651  |   |   |   | 3,081 |   |
|    Less inventory reserve                                 |   |         | (423   | ) |   |   | (885 | ) |
|                                                                |   |         |   |   |   |   |   |   |
|                                                                |   |         | 11,203 |   |   |   | 8,482 |   |
|                                                                |   |         |   |   |   |   |   |   |
| Prepaid expenses and other current assets                           |   |         |   |   |   |   |   |   |
|    Prepaid expenses                                       |   |         | 821    |   |   |   | 469 |   |
|    Other receivable                                       |   |         | 153    |   |   |   | 212 |   |
|                                                                |   |         |   |   |   |   |   |   |
|                                                                |   |         | 974    |   |   |   | 681 |   |
|                                                                |   |         |   |   |   |   |   |   |
| Accounts payable                                                    |   |         |   |   |   |   |   |   |
|    Foreign suppliers                                      |   |         | 267    |   |   |   | 51 |   |
|    Domestic suppliers                                     |   |         | 10,647 |   |   |   | 9,704 |   |
|                                                                |   |         |   |   |   |   |   |   |
|                                                                |   |         | 10,914 |   |   |   | 9,755 |   |
|                                                                |   |         |   |   |   |   |   |   |
| Withholdings and Accrued expenses                                   |   |         |   |   |   |   |   |   |
|    Vacation benefits                                      |   |         | 3,909  |   |   |   | 2,571 |   |
|    Withholdings                                           |   |         | 2,228  |   |   |   | 2,133 |   |
|    Other                                                  |   |         | 2,629  |   |   |   | 1,139 |   |
|                                                                |   |         |   |   |   |   |   |   |
|                                                                |   |         | 8,766  |   |   |   | 5,843 |   |
|                                                                |   |         |   |   |   |   |   |   |
| Unearned income - current portion                                   |   |         |   |   |   |   |   |   |
|    Advances from customers                                |   |         | 1,682  |   |   |   | 908 |   |
|                                                                |   |         |   |   |   |   |   |   |
|                                                                |   |         | 1,682  |   |   |   | 908 |   |
|                                                                |   |         |   |   |   |   |   |   |
| Unearned income - long term portion                                 |   |         |   |   |   |   |   |   |
|    Advances from customers                                |   |         | 2,705  |   |   |   | 3,286 |   |
|                                                                |   |         |   |   |   |   |   |   |
|                                                                |   |         | 2,705  |   |   |   | 3,286 |   |

----

|                                                                       |   | December 31, |   |
|----------------------------------------------------------------------------|--------|--------------|--------|
|                                                                       |   | 2010         |   |   | 2009 |   |
|                                                                       |   | Short term   |   |   | Long term |   |   | Short term |   |   | Long term |   |
|                                                                       |   | ThUS$        |   |   | ThUS$ |   |   | ThUS$ |   |   | ThUS$ |   |
|                                                                       |   | (unaudited)  |   |   | (unaudited) |   |   |   |   |   |   |   |
|                                                                       |   |         |   |   |   |   |   |   |   |   |   |   |
| Minera Escondida (1)                                                       |   | 984          |   |   | 2,705 |   |   | 908 |   |   | 3,286 |   |
| Minera Escondida (2)                                                       |   | 378          |   |   | - |   |   | - |   |   | - |   |
| Compañía Minera Doña Inés de Collahuasi  (3) |   | 320          |   |   | - |   |   | - |   |   | - |   |
|                                                                       |   |         |   |   |   |   |   |   |   |   |   |   |
| Totals                                                                     |   | 1,682        |   |   | 2,705 |   |   | 908 |   |   | 3,286 |   |

| (1)    |   | Relates to an advance payment received from customer Minera Escondida for a total amount of ThUS$3,689 and ThUS$4,194, respectively, for drilling integral services provided, which will be recognized over 60 monthly installments in accordance to actual footage or meterage drilled. As of December 31, 2010 and 2009 the outstanding balance correspond to 36 and 48 monthly installments, respectively. For this transaction the Company has issued letters of guarantee (see Note 11). |
|--------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| (2)    |   | Relates to an advance payment received from customer Minera Escondida for a total amount of ThUS$378 for drilling services to be provided the first months of 2011.                                                                                                                                                                                                                                                                                                                           |
|   |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| (3)    |   | Relates to an advance payment received from customer Compañía Minera Doña Inés de Collahuasi for a total amount of ThUS$320 for purchases of materials, that were delivered in January 2011.                                                                                                                                                                                                                                                                              |

|                                 |   | Beginning |   |   | Charged to |   |   |        |   |   | Ending  |   |
|--------------------------------------|--------|-----------|--------|--------|------------|--------|--------|-------------|--------|--------|---------|--------|
|                                 |   | balance   |   |   | expense    |   |   | Written-off |   |   | balance |   |
| in thousands of U.S. dollars - ThUS$ |   | ThUS$     |   |   | ThUS$      |   |   | ThUS$       |   |   | ThUS$   |   |
| 2010 (unaudited)                     |   |      |   |   |       |   |   |        |   |   |    |   |
| Allowance for doubtful accounts      |   | -         |   |   | -          |   |   | -           |   |   | -       |   |
|                                 |   |      |   |   |       |   |   |        |   |   |    |   |
| Allowance for inventory reserve      |   | 885       |   |   | 120        |   |   | (582        | )      |   | 423     |   |
|                                 |   |      |   |   |       |   |   |        |   |   |    |   |
| 2009                                 |   |      |   |   |       |   |   |        |   |   |    |   |
| Allowance for doubtful accounts      |   | -         |   |   | -          |   |   | -           |   |   | -       |   |
|                                 |   |      |   |   |       |   |   |        |   |   |    |   |
| Allowance for inventory reserve      |   | 665       |   |   | 220        |   |   | -           |   |   | 885     |   |

----

|                                 |   | For the Year Ended |   |   | For the Year Ended |   |   | For the Year Ended |   |
|--------------------------------------|--------|--------------------|--------|--------|--------------------|--------|--------|--------------------|--------|
|                                 |   | December 31, 2010  |   |   | December 31, 2009  |   |   | December 31, 2008  |   |
|                                 |   | (unaudited)        |   |   |               |   |   | (unaudited)        |   |
| in thousands of U.S. dollars - ThUS$ |   | ThUS$              |   |   | ThUS$              |   |   | ThUS$              |   |
|                                 |   |               |   |   |               |   |   |               |   |
| Income taxes paid                    |   | 2,570              |   |   | 2,050              |   |   | 1,436              |   |
| Non-cash items                       |   | -                  |   |   | -                  |   |   | -                  |   |

| 12.31.2010                                  |   | Non-current |   | Current     |   | Non-current |   | Current     |   |        |   | Net         |   | Undistributed |   |
|---------------------------------------------|--------|-------------|--------|-------------|--------|-------------|--------|-------------|--------|-------------|--------|-------------|--------|---------------|--------|
|                                        |   | assets      |   | assets      |   | liabilities |   | liabilities |   | Equity      |   | income      |   | earnings      |   |
| Company                                     |   | (unaudited) |   | (unaudited) |   | (unaudited) |   | (unaudited) |   | (unaudited) |   | (unaudited) |   | (unaudited)   |   |
|                                        |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$         |   |
| Centro Internacional de Formación S.A. |   | 4           |   | 162         |   | -           |   | 9           |   | 157         |   | 69          |   | 69            |   |
| Geoestrella S.A.                            |   | 253         |   | 2,196       |   | -           |   | 2,400       |   | 49          |   | 10          |   | 39            |   |
|                                        |   |        |   |        |   |        |   |        |   |        |   |        |   |          |   |
| 12.31.2009                                  |   | Non-current |   | Current     |   | Non-current |   | Current     |   |        |   | Net         |   | Undistributed |   |
| Company                                     |   | assets      |   | assets      |   | liabilities |   | liabilities |   | Equity      |   | income      |   | earnings      |   |
|                                        |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$         |   |
| Centro Internacional de Formación S.A. |   | 4           |   | 207         |   | -           |   | 17          |   | 194         |   | 61          |   | 89            |   |
| Geoestrella S.A.                            |   | 1,042       |   | 4,174       |   | 106         |   | 5,071       |   | 39          |   | 39          |   | -             |   |
|                                        |   |        |   |        |   |        |   |        |   |        |   |        |   |          |   |
| 12.31.2008                                  |   | Non-current |   | Current     |   | Non-current |   | Current     |   |        |   | Net         |   | Undistributed |   |
|                                        |   | assets      |   | assets      |   | liabilities |   | liabilities |   | Equity      |   | income      |   | earnings      |   |
| Company                                     |   | (unaudited) |   | (unaudited) |   | (unaudited) |   | (unaudited) |   | (unaudited) |   | (unaudited) |   | (unaudited)   |   |
|                                        |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$       |   | ThUS$         |   |
| Centro Internacional de Formación S.A. |   | 2           |   | 136         |   | -           |   | 30          |   | 108         |   | 66          |   | 31            |   |
| Geoestrella S.A.                            |   | -           |   | -           |   | -           |   | -           |   | -           |   | -           |   | -             |   |

----

|                                                                                  |   | Accounts receivable / payables |   | Transactions |   |
|---------------------------------------------------------------------------------------|--------|--------------------------------|--------|--------------|--------|
|                                                                                  |   | Short                          |   | Long         |   | Short |   | Long |   | Sales and |   | Purchases and |   |
|                                                                                  |   | term                           |   | term         |   | term |   | term |   | other revenues |   | other costs |   |
|                                                                                  |   | 2010                           |   | 2009         |   | 2010 |   | 2009 |   | 2008 |   | 2010 |   | 2009 |   | 2008 |   |
|                                                                                  |   | (unaudited)                    |   |         |   |   |   | (unaudited) |   |   |   | (unaudited) |   | (unaudited) |   |   |   | (unaudited) |   |
|                                                                                  |   | ThUS$                          |   | ThUS$        |   | ThUS$ |   | ThUS$ |   | ThUS$ |   | ThUS$ |   | ThUS$ |   | ThUS$ |   | ThUS$ |   | ThUS$ |   |
| Due from related companies:                                                           |   |                           |   |         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Inmobiliaria Plantel Industrial Ltda.   (Ex - Plantel Industrial S.A.) |   | -                              |   | -            |   | - |   | - |   | - |   | - |   | - |   | 1,160 |   | 747 |   | 773 |   |
| Geoductos Chile S.A.                                                                  |   | -                              |   | -            |   | - |   | - |   | - |   | - |   | 3 |   | - |   | - |   | 12 |   |
| Geotec Perú S.A.                                                                 |   | 28                             |   | -            |   | - |   | - |   | 28 |   | - |   | 37 |   | - |   | 2,018 |   | 59 |   |
| Boytec Sondajes de México S.A.                                                   |   | 104                            |   | -            |   | 247 |   | 100 |   | 207 |   | 70 |   | 1,030 |   | - |   | 9 |   | 18 |   |
| Sondajes Colombia S.A.                                                                |   | -                              |   | -            |   | - |   | - |   | 17 |   | - |   | 318 |   | - |   | - |   | - |   |
| Diamantina Christensen Inc.                                                           |   | -                              |   | -            |   | - |   | - |   | - |   | - |   | 277 |   | - |   | - |   | - |   |
| Geoestrella S.A                                                                       |   | 334                            |   | -            |   | 1,333 |   | - |   | 293 |   | 316 |   | - |   | - |   | - |   | - |   |
|                                                                                  |   |                           |   |         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Totals                                                                                |   | 466                            |   | -            |   | 1,580 |   | 100 |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                  |   |                           |   |         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Due to related companies:                                                             |   |                           |   |         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Christensen Comercial S.A.                                                            |   | 1                              |   | -            |   | 5 |   | - |   | 8 |   | 7 |   | 8 |   | 18 |   | 6 |   | 3 |   |
| Christensen Chile S.A.                                                                |   | 1,424                          |   | -            |   | 1,103 |   | - |   | 992 |   | 516 |   | 618 |   | 16,424 |   | 14,099 |   | 17,851 |   |
|                                                                                  |   |                           |   |         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Totals                                                                                |   | 1,425                          |   | -            |   | 1,108 |   | - |   |   |   |   |   |   |   |   |   |   |   |   |   |

|                |   | 2010        |   |   | 2009   |   |
|---------------------|--------|-------------|--------|--------|--------|--------|
|                |   | (unaudited) |   |   |   |   |
|                |   | ThUS$       |   |   | ThUS$  |   |
|                |   |        |   |   |   |   |
| 2009                |   | -           |   |   | -      |   |
| 2010                |   | -           |   |   | 702    |   |
| 2011                |   | 1,160       |   |   | -      |   |
| 2012                |   | -           |   |   | -      |   |
| 2013                |   | -           |   |   | -      |   |
| 2014 and thereafter |   | -           |   |   | -      |   |

----

| Financial      |   | Transaction |   | Currency |   | Short-term portion                                                    |   | Long-term                                                                         |   |
|----------------|--------|-------------|--------|----------|--------|-----------------------------------------------------------------------|--------|-----------------------------------------------------------------------------------|--------|
| Institution    |   |        |   |     |   | 2010                                                                  |   | 2009                                                                              |   | 2010 |   | 2009 |   |
|           |   |        |   |     |   | (unaudited)                                                           |   |                                                                              |   | (unaudited) |   |   |   |
|           |   |        |   |     |   | ThUS$                                                                 |   | ThUS$                                                                             |   | ThUS$ |   | ThUS$ |   |
|           |   |        |   |     |   |                                                                  |   |                                                                              |   |   |   |   |   |
| Banco Security |   | Loans       |   | Ch$      |   |            112 |   |              253 |   |              - |   |             107 |   |

----

| In thousands of U.S. dollars - ThUS$ |   | 2010        |   |   | 2009   |   |
|--------------------------------------|--------|-------------|--------|--------|--------|--------|
|                                 |   | (unaudited) |   |   |   |   |
| 2010                                 |   | -           |   |   | 253    |   |
| 2011                                 |   | 112         |   |   | 107    |   |
|                                 |   |        |   |   |   |   |
| Totals                               |   | 112         |   |   | 360    |   |

| Years to maturity |   | 2010        |   |   | 2009   |   |
|-------------------|--------|-------------|--------|--------|--------|--------|
|              |   | (unaudited) |   |   |   |   |
|              |   | ThUS$       |   |   | ThUS$  |   |
|              |   |        |   |   |   |   |
| 2010              |   | -           |   |   | 5,162  |   |
| 2011              |   | 3,133       |   |   | 828    |   |
| 2012              |   | 1,457       |   |   | 20     |   |
|              |   |        |   |   |   |   |
| Totals            |   | 4,590       |   |   | 6,010  |   |

|                                 |   | For the Year Ended December 31,                  |   |
|--------------------------------------|--------|--------------------------------------------------|--------|
|                                 |   | 2010                                             |   |   | 2009 |   |   | 2008 |   |
|                                 |   | ThUS$                                            |   |   | ThUS$ |   |   | ThUS$ |   |
| in thousands of U.S. dollars - ThUS$ |   | (unaudited)                                      |   |   |   |   |   | (unaudited) |   |
|                                 |   |                                             |   |   |   |   |   |   |   |
| Income before income taxes           |   |        14,796 |   |   |       16,059 |   |   |         12,290 |   |

----

|                                 |   | For the Year Ended December 31, |   |
|--------------------------------------|--------|---------------------------------|--------|
|                                 |   | 2010                            |   |   | 2009 |   |   | 2008 |   |
|                                 |   | ThUS$                           |   |   | ThUS$ |   |   | ThUS$ |   |
| in thousands of U.S. dollars - ThUS$ |   | (unaudited)                     |   |   |   |   |   | (unaudited) |   |
|                                 |   |                            |   |   |   |   |   |   |   |
| Current taxes                        |   | (1,783                          | )      |   | (2,438 | ) |   | (1,758 | ) |
|                                 |   |                            |   |   |   |   |   |   |   |
| Deferred taxes                       |   | 22                              |   |   | (593 | ) |   | 267 |   |
|                                 |   |                            |   |   |   |   |   |   |   |
| Total, net                           |   | (1,761                          | )      |   | (3,031 | ) |   | (1,491 | ) |

|                                 |   | Short term   |   |   | Long-term    |   |
|--------------------------------------|--------|--------------|--------|--------|--------------|--------|
|                                 |   | December 31, |   |   | December 31, |   |
|                                 |   | 2010         |   |   | 2009         |   |   | 2010 |   |   | 2009 |   |
|                                 |   | ThUS$        |   |   | ThUS$        |   |   | ThUS$ |   |   | ThUS$ |   |
| in thousands of U.S. dollars - ThUS$ |   | (unaudited)  |   |   |         |   |   | (unaudited) |   |   |   |   |
|                                 |   |         |   |   |         |   |   |   |   |   |   |   |
| Deferred income tax assets:          |   |         |   |   |         |   |   |   |   |   |   |   |
| Vacation accruals                    |   | 782          |   |   | 437          |   |   | - |   |   | - |   |
| Unearned income                      |   | 224          |   |   | 178          |   |   | 119 |   |   | - |   |
| Other provision                      |   | 448          |   |   | 310          |   |   | - |   |   | - |   |
| Inventory reserve                    |   | 123          |   |   | 189          |   |   | - |   |   | - |   |
|                                 |   |         |   |   |         |   |   |   |   |   |   |   |
| Deferred income tax assets           |   | 1,577        |   |   | 1,114        |   |   | 119 |   |   | - |   |
|                                 |   |         |   |   |         |   |   |   |   |   |   |   |
| Deferred income tax liabilities:     |   |         |   |   |         |   |   |   |   |   |   |   |
| Property, plant and equipment        |   | 51           |   |   | -            |   |   | 1,357 |   |   | 787 |   |
| Capital leases                       |   | 291          |   |   | -            |   |   | 920 |   |   | 1,200 |   |
|                                 |   |         |   |   |         |   |   |   |   |   |   |   |
| Deferred income tax liabilities      |   | 342          |   |   | -            |   |   | 2,277 |   |   | 1,987 |   |

----

|                                      |   | For the year ended |   |   |               |   |   |              |   |   | For the year ended |   |
|-------------------------------------------|--------|--------------------|--------|--------|--------------------|--------|--------|-------------------|--------|--------|--------------------|--------|
|                                      |   | December 31, 2010  |   |   | For the year ended |   |   | December 31, 2008 |   |
|                                      |   | (unaudited)        |   |   | December 31, 2009  |   |   | (unaudited)       |   |
|                                      |   | Amount             |   |   | Effective          |   |   | Amount            |   |   | Effective          |   |   | Amount |   |   | Effective |   |
| in thousands of U.S. dollars - ThUS$      |   | ThUS$              |   |   | Rate               |   |   | ThUS$             |   |   | Rate               |   |   | ThUS$ |   |   | Rate |   |
|                                      |   |               |   |   |               |   |   |              |   |   |               |   |   |   |   |   |   |   |
| Income tax at statutory tax rate          |   | 2,515              |   |   | 17.00              | %      |   | 2,730             |   |   | 17.00              | %      |   | 2,089 |   |   | 17.00 | % |
| Difference in tax expense resulting from: |   |               |   |   |               |   |   |              |   |   |               |   |   |   |   |   |   |   |
|    Non deductible expenses |   | (6                 | )      |   | -0.04              | %      |   | (8                | )      |   | -0.05              | %      |   | - |   |   | 0.00 | % |
|    Permanent differences   |   | -                  |   |   | 0.00               | %      |   | (122              | )      |   | -0.76              | %      |   | 12 |   |   | 0.10 | % |
|    Other                   |   | (748               | )      |   | -5.06              | %      |   | 431               |   |   | 2.68               | %      |   | (610 | ) |   | -4.96 | % |
|                                      |   |               |   |   |               |   |   |              |   |   |               |   |   |   |   |   |   |   |
|                                      |   | 1,761              |   |   | 11.90              | %      |   | 3,031             |   |   | 18.87              | %      |   | 1,491 |   |   | 12.13 | % |

----

|            |   |                             |   | Letter of |   | Issuance   |   | Expire     |   | Amount      |
|-----------------|--------|----------------------------------|--------|-----------|--------|------------|--------|------------|--------|-------------|
| Bank issuer     |   | Beneficiary                      |   | guarantee |   | date       |   | date       |   | (unaudited) |
|            |   |                             |   |      |   |       |   |       |   | ThUS$       |
|            |   |                             |   |      |   |       |   |       |   |        |
| CorpBanca       |   | Central Restaurant Aramark       |   | 68519     |   | 14-05-2010 |   | 05-05-2011 |   | 128         |
| BBVA            |   | Cia. Min. Ines de Collahuasi SCM |   | 62421     |   | 17-03-2010 |   | 31-03-2011 |   | 1,401       |
| Santander Stgo. |   | Inversiones Quilapilum S.A.      |   | 22393     |   | 21-10-2010 |   | 28-02-2011 |   | 4           |
| CorpBanca       |   | Inversiones Quilapilum S.A.      |   | 68659     |   | 25-05-2010 |   | 31-01-2011 |   | 2           |
| Security        |   | Codelco Chile Div. Norte         |   | 287562    |   | 31-12-2010 |   | 02-05-2011 |   | 76          |
| Santander Stgo. |   | Codelco Chile Div. Norte         |   | 22110     |   | 14-10-2010 |   | 01-04-2011 |   | 594         |
| BBVA            |   | Codelco Chile Div. Norte         |   | 70682     |   | 29-10-2009 |   | 26-03-2011 |   | 100.49      |
| BBVA            |   | Codelco Chile Div. Norte         |   | 70683     |   | 29-10-2009 |   | 28-02-2011 |   | 518.30      |
| BBVA            |   | Andina Minerals                  |   | 67633     |   | 28-10-2010 |   | 15-04-2011 |   | 173.00      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8835      |   | 01-07-2008 |   | 30-01-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8853      |   | 01-07-2008 |   | 28-02-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8858      |   | 01-07-2008 |   | 30-03-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8857      |   | 01-07-2008 |   | 30-04-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8855      |   | 01-07-2008 |   | 30-05-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8861      |   | 01-07-2008 |   | 30-06-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8871      |   | 01-07-2008 |   | 30-07-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8873      |   | 01-07-2008 |   | 30-08-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8875      |   | 01-07-2008 |   | 30-09-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8754      |   | 01-07-2008 |   | 30-10-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8759      |   | 01-07-2008 |   | 30-11-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8761      |   | 01-07-2008 |   | 30-12-2011 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8767      |   | 01-07-2008 |   | 30-01-2012 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8878      |   | 01-07-2008 |   | 28-02-2012 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8880      |   | 01-07-2008 |   | 30-03-2012 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8795      |   | 01-07-2008 |   | 30-04-2012 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8801      |   | 01-07-2008 |   | 30-05-2012 |   | 129.67      |
| Santander Stgo. |   | Min. Escondida Ltda.             |   | 8796      |   | 01-07-2008 |   | 30-06-2012 |   | 129.67      |
|            |   |                             |   |      |   |       |   |       |   |        |
|            |   |                             |   |      |   |       |   | Totals     |   | 5,331       |

----

|            |   |                               |   | Letter of |   | Issuance   |   | Expire     |   |   |
|-----------------|--------|------------------------------------|--------|-----------|--------|------------|--------|------------|--------|--------|
| Bank issuer     |   | Beneficiary                        |   | guarantee |   | date       |   | date       |   | Amount |
|            |   |                               |   |      |   |       |   |       |   | ThUS$  |
|            |   |                               |   |      |   |       |   |       |   |   |
| CorpBanca       |   | Central Restaurant Aramark         |   | -         |   | -          |   | 01-05-2010 |   | 41     |
| Security        |   | Cia. Min. Ines de Collahuasi SCM   |   | 200786    |   | 08-06-2007 |   | 01-07-2010 |   | 405    |
| BBVA            |   | Codelco Chile                      |   | 70823     |   | 10-12-2009 |   | 16-04-2010 |   | 256    |
| CorpBanca       |   | Codelco Chile Div. Norte           |   | 50324     |   | 02-12-2008 |   | 28-02-2010 |   | 1,438  |
| CorpBanca       |   | Codelco Chile Div. Norte           |   | 57872     |   | 23-07-2009 |   | 30-05-2010 |   | 1,252  |
| CorpBanca       |   | Codelco Chile Div. Norte           |   | 61053     |   | 14-10-2009 |   | 08-04-2010 |   | 146    |
| BBVA            |   | Codelco Chile Div. Norte           |   | 70682     |   | 29-10-2009 |   | 26-03-2011 |   | 91     |
| BBVA            |   | Codelco Chile Div. Norte           |   | 70683     |   | 29-10-2009 |   | 28-02-2011 |   | 467    |
| CorpBanca       |   | Compass Catering S.A.              |   | 59102     |   | 14-09-2009 |   | 31-10-2010 |   | 71     |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8798      |   | 01-07-2008 |   | 30-01-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8802      |   | 01-07-2008 |   | 28-02-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8808      |   | 01-07-2008 |   | 30-03-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8804      |   | 01-07-2008 |   | 30-04-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8806      |   | 01-07-2008 |   | 30-05-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8810      |   | 01-07-2008 |   | 30-06-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8812      |   | 01-07-2008 |   | 30-07-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8825      |   | 01-07-2008 |   | 30-08-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8826      |   | 01-07-2008 |   | 30-09-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8829      |   | 01-07-2008 |   | 30-10-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8831      |   | 01-07-2008 |   | 30-11-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8833      |   | 01-07-2008 |   | 30-12-2010 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8835      |   | 01-07-2008 |   | 30-01-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8853      |   | 01-07-2008 |   | 28-02-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8858      |   | 01-07-2008 |   | 30-03-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8857      |   | 01-07-2008 |   | 30-04-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8855      |   | 01-07-2008 |   | 30-05-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8861      |   | 01-07-2008 |   | 30-06-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8871      |   | 01-07-2008 |   | 30-07-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8873      |   | 01-07-2008 |   | 30-08-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8875      |   | 01-07-2008 |   | 30-09-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8754      |   | 01-07-2008 |   | 30-10-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8759      |   | 01-07-2008 |   | 30-11-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8761      |   | 01-07-2008 |   | 30-12-2011 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8767      |   | 01-07-2008 |   | 30-01-2012 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8878      |   | 01-07-2008 |   | 28-02-2012 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8880      |   | 01-07-2008 |   | 30-03-2012 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8795      |   | 01-07-2008 |   | 30-04-2012 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8801      |   | 01-07-2008 |   | 30-05-2012 |   | 120    |
| Santander Stgo. |   | Min. Escondida Ltda.               |   | 8796      |   | 01-07-2008 |   | 30-06-2012 |   | 120    |
| BBVA            |   | Min. Escondida Ltda.               |   | 60269     |   | 02-06-2009 |   | 02-06-2010 |   | 460    |
| BBVA            |   | Min. Escondida Ltda.               |   | 59753     |   | 08-05-2009 |   | 08-05-2010 |   | 414    |
| BBVA            |   | Minera Spence S.A.                 |   | 59752     |   | 08-05-2009 |   | 30-04-2010 |   | 499    |
| CorpBanca       |   | Soc Contractual Minera Tres Valles |   | 63997     |   | 28-12-2009 |   | 30-04-2010 |   | 6      |
|            |   |                               |   |      |   |       |   |       |   |   |
|            |   |                               |   |      |   |       |   | Totals     |   | 9,146  |
|            |   |                               |   |      |   |       |   |       |   |   |

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