RIO TINTO AMERICA INC. has sponsored the creation of one or more 401k plans.
Submission information for form 5500 for 401k plan RIO TINTO AMERICA INC. SAVINGS PLAN TRUST
401k plan membership statisitcs for RIO TINTO AMERICA INC. SAVINGS PLAN TRUST
| Measure | Date | Value |
|---|
| 2017 : RIO TINTO AMERICA INC. SAVINGS PLAN TRUST 2017 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2017-02-01 | $4,168,202 |
| Total unrealized appreciation/depreciation of assets | 2017-02-01 | $4,168,202 |
| Total transfer of assets to this plan | 2017-02-01 | $13,154,414 |
| Total transfer of assets from this plan | 2017-02-01 | $726,769,719 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-02-01 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2017-02-01 | $0 |
| Total income from all sources (including contributions) | 2017-02-01 | $15,505,015 |
| Total loss/gain on sale of assets | 2017-02-01 | $0 |
| Total of all expenses incurred | 2017-02-01 | $232,970 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2017-02-01 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2017-02-01 | $0 |
| Value of total assets at end of year | 2017-02-01 | $0 |
| Value of total assets at beginning of year | 2017-02-01 | $698,343,260 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2017-02-01 | $232,970 |
| Total interest from all sources | 2017-02-01 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2017-02-01 | $333,441 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2017-02-01 | $333,394 |
| Administrative expenses professional fees incurred | 2017-02-01 | $155,862 |
| Were there any nonexempt tranactions with any party-in-interest | 2017-02-01 | No |
| Value of net income/loss | 2017-02-01 | $15,272,045 |
| Value of net assets at end of year (total assets less liabilities) | 2017-02-01 | $0 |
| Value of net assets at beginning of year (total assets less liabilities) | 2017-02-01 | $698,343,260 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2017-02-01 | No |
| Were any leases to which the plan was party in default or uncollectible | 2017-02-01 | No |
| Investment advisory and management fees | 2017-02-01 | $77,108 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2017-02-01 | $0 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2017-02-01 | $383,615,539 |
| Value of interest in common/collective trusts at end of year | 2017-02-01 | $0 |
| Value of interest in common/collective trusts at beginning of year | 2017-02-01 | $285,244,945 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2017-02-01 | $0 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2017-02-01 | $5,270,515 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2017-02-01 | $5,270,515 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2017-02-01 | $8,603,991 |
| Net investment gain or loss from common/collective trusts | 2017-02-01 | $2,399,381 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2017-02-01 | No |
| Assets. Invements in employer securities at end of year | 2017-02-01 | $0 |
| Assets. Invements in employer securities at beginning of year | 2017-02-01 | $24,212,261 |
| Income. Dividends from common stock | 2017-02-01 | $47 |
| Did the plan have assets held for investment | 2017-02-01 | No |
| 2016 : RIO TINTO AMERICA INC. SAVINGS PLAN TRUST 2016 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2016-12-31 | $5,997,588 |
| Total unrealized appreciation/depreciation of assets | 2016-12-31 | $5,997,588 |
| Total transfer of assets to this plan | 2016-12-31 | $101,339,236 |
| Total transfer of assets from this plan | 2016-12-31 | $155,266,179 |
| Total income from all sources (including contributions) | 2016-12-31 | $55,108,114 |
| Total of all expenses incurred | 2016-12-31 | $612,252 |
| Value of total assets at end of year | 2016-12-31 | $698,343,260 |
| Value of total assets at beginning of year | 2016-12-31 | $697,774,341 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2016-12-31 | $612,252 |
| Total dividends received (eg from common stock, registered investment company shares) | 2016-12-31 | $13,191,867 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2016-12-31 | $12,202,739 |
| Were there any nonexempt tranactions with any party-in-interest | 2016-12-31 | No |
| Value of net income/loss | 2016-12-31 | $54,495,862 |
| Value of net assets at end of year (total assets less liabilities) | 2016-12-31 | $698,343,260 |
| Value of net assets at beginning of year (total assets less liabilities) | 2016-12-31 | $697,774,341 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2016-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2016-12-31 | No |
| Investment advisory and management fees | 2016-12-31 | $207,402 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2016-12-31 | $383,615,539 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2016-12-31 | $379,642,576 |
| Value of interest in common/collective trusts at end of year | 2016-12-31 | $285,244,945 |
| Value of interest in common/collective trusts at beginning of year | 2016-12-31 | $292,897,983 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2016-12-31 | $5,270,515 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2016-12-31 | $5,311,752 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2016-12-31 | $5,311,752 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2016-12-31 | $21,575,655 |
| Net investment gain or loss from common/collective trusts | 2016-12-31 | $14,343,004 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2016-12-31 | No |
| Assets. Invements in employer securities at end of year | 2016-12-31 | $24,212,261 |
| Assets. Invements in employer securities at beginning of year | 2016-12-31 | $19,922,030 |
| Income. Dividends from common stock | 2016-12-31 | $989,128 |
| Contract administrator fees | 2016-12-31 | $404,850 |
| Did the plan have assets held for investment | 2016-12-31 | Yes |
| 2015 : RIO TINTO AMERICA INC. SAVINGS PLAN TRUST 2015 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2015-12-31 | $-11,454,292 |
| Total unrealized appreciation/depreciation of assets | 2015-12-31 | $-11,454,292 |
| Total transfer of assets to this plan | 2015-12-31 | $112,765,957 |
| Total transfer of assets from this plan | 2015-12-31 | $150,961,371 |
| Total income from all sources (including contributions) | 2015-12-31 | $-11,399,134 |
| Total of all expenses incurred | 2015-12-31 | $476,183 |
| Value of total assets at end of year | 2015-12-31 | $697,774,341 |
| Value of total assets at beginning of year | 2015-12-31 | $747,845,072 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2015-12-31 | $476,183 |
| Total dividends received (eg from common stock, registered investment company shares) | 2015-12-31 | $19,069,199 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2015-12-31 | $17,568,958 |
| Were there any nonexempt tranactions with any party-in-interest | 2015-12-31 | No |
| Value of net income/loss | 2015-12-31 | $-11,875,317 |
| Value of net assets at end of year (total assets less liabilities) | 2015-12-31 | $697,774,341 |
| Value of net assets at beginning of year (total assets less liabilities) | 2015-12-31 | $747,845,072 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2015-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2015-12-31 | No |
| Investment advisory and management fees | 2015-12-31 | $476,183 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2015-12-31 | $379,642,576 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2015-12-31 | $407,199,400 |
| Value of interest in common/collective trusts at end of year | 2015-12-31 | $292,897,983 |
| Value of interest in common/collective trusts at beginning of year | 2015-12-31 | $303,054,107 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2015-12-31 | $5,311,752 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2015-12-31 | $5,682,118 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2015-12-31 | $5,682,118 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2015-12-31 | $-16,753,624 |
| Net investment gain or loss from common/collective trusts | 2015-12-31 | $-2,260,417 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2015-12-31 | No |
| Assets. Invements in employer securities at end of year | 2015-12-31 | $19,922,030 |
| Assets. Invements in employer securities at beginning of year | 2015-12-31 | $31,909,447 |
| Income. Dividends from common stock | 2015-12-31 | $1,500,241 |
| Did the plan have assets held for investment | 2015-12-31 | Yes |
| 2014 : RIO TINTO AMERICA INC. SAVINGS PLAN TRUST 2014 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2014-12-31 | $-7,390,241 |
| Total unrealized appreciation/depreciation of assets | 2014-12-31 | $-7,390,241 |
| Total transfer of assets to this plan | 2014-12-31 | $707,185 |
| Total transfer of assets from this plan | 2014-12-31 | $85,904,831 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2014-12-31 | $0 |
| Total income from all sources (including contributions) | 2014-12-31 | $30,739,898 |
| Total loss/gain on sale of assets | 2014-12-31 | $0 |
| Total of all expenses incurred | 2014-12-31 | $439,936 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2014-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2014-12-31 | $0 |
| Value of total assets at end of year | 2014-12-31 | $747,845,072 |
| Value of total assets at beginning of year | 2014-12-31 | $716,837,925 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2014-12-31 | $439,936 |
| Total interest from all sources | 2014-12-31 | $0 |
| Total dividends received (eg from common stock, registered investment company shares) | 2014-12-31 | $19,430,060 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2014-12-31 | $19,430,060 |
| Administrative expenses professional fees incurred | 2014-12-31 | $439,936 |
| Were there any nonexempt tranactions with any party-in-interest | 2014-12-31 | No |
| Value of net income/loss | 2014-12-31 | $30,299,962 |
| Value of net assets at end of year (total assets less liabilities) | 2014-12-31 | $747,845,072 |
| Value of net assets at beginning of year (total assets less liabilities) | 2014-12-31 | $716,837,925 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2014-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2014-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2014-12-31 | $407,199,400 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2014-12-31 | $366,628,760 |
| Value of interest in common/collective trusts at end of year | 2014-12-31 | $303,054,107 |
| Value of interest in common/collective trusts at beginning of year | 2014-12-31 | $299,514,470 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2014-12-31 | $5,657,535 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2014-12-31 | $6,307,743 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2014-12-31 | $6,307,743 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2014-12-31 | $8,654 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2014-12-31 | $9,394,138 |
| Net investment gain or loss from common/collective trusts | 2014-12-31 | $9,305,941 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2014-12-31 | No |
| Assets. Invements in employer securities at end of year | 2014-12-31 | $31,934,030 |
| Assets. Invements in employer securities at beginning of year | 2014-12-31 | $44,386,952 |
| Income. Dividends from common stock | 2014-12-31 | $1,482,639 |
| Did the plan have assets held for investment | 2014-12-31 | Yes |
| 2013 : RIO TINTO AMERICA INC. SAVINGS PLAN TRUST 2013 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2013-12-31 | $-2,086,587 |
| Total unrealized appreciation/depreciation of assets | 2013-12-31 | $-2,086,587 |
| Total transfer of assets to this plan | 2013-12-31 | $44,532,778 |
| Total transfer of assets from this plan | 2013-12-31 | $131,127,226 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2013-12-31 | $0 |
| Total income from all sources (including contributions) | 2013-12-31 | $103,864,880 |
| Total loss/gain on sale of assets | 2013-12-31 | $0 |
| Total of all expenses incurred | 2013-12-31 | $669,903 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2013-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2013-12-31 | $0 |
| Value of total assets at end of year | 2013-12-31 | $716,837,925 |
| Value of total assets at beginning of year | 2013-12-31 | $700,237,396 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2013-12-31 | $669,903 |
| Total interest from all sources | 2013-12-31 | $90,220 |
| Total dividends received (eg from common stock, registered investment company shares) | 2013-12-31 | $20,007,366 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2013-12-31 | $17,854,326 |
| Administrative expenses professional fees incurred | 2013-12-31 | $75,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2013-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2013-12-31 | $161,009,250 |
| Assets. Other investments not covered elsewhere at beginning of year | 2013-12-31 | $194,572,398 |
| Administrative expenses (other) incurred | 2013-12-31 | $555,528 |
| Value of net income/loss | 2013-12-31 | $103,194,977 |
| Value of net assets at end of year (total assets less liabilities) | 2013-12-31 | $716,837,925 |
| Value of net assets at beginning of year (total assets less liabilities) | 2013-12-31 | $700,237,396 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2013-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2013-12-31 | No |
| Investment advisory and management fees | 2013-12-31 | $39,375 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2013-12-31 | $366,628,760 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2013-12-31 | $321,715,507 |
| Value of interest in common/collective trusts at end of year | 2013-12-31 | $138,505,220 |
| Value of interest in common/collective trusts at beginning of year | 2013-12-31 | $125,736,983 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2013-12-31 | $6,307,743 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2013-12-31 | $5,474,520 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2013-12-31 | $5,474,520 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2013-12-31 | $90,220 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2013-12-31 | $64,807,651 |
| Net investment gain or loss from common/collective trusts | 2013-12-31 | $21,136,450 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2013-12-31 | No |
| Assets. Invements in employer securities at end of year | 2013-12-31 | $44,386,952 |
| Assets. Invements in employer securities at beginning of year | 2013-12-31 | $52,737,988 |
| Income. Dividends from common stock | 2013-12-31 | $2,153,040 |
| Contract administrator fees | 2013-12-31 | $408,566 |
| Did the plan have assets held for investment | 2013-12-31 | Yes |
| 2012 : RIO TINTO AMERICA INC. SAVINGS PLAN TRUST 2012 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2012-12-31 | $9,187,061 |
| Total unrealized appreciation/depreciation of assets | 2012-12-31 | $9,187,061 |
| Total transfer of assets to this plan | 2012-12-31 | $158,910,020 |
| Total transfer of assets from this plan | 2012-12-31 | $77,270,541 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2012-12-31 | $0 |
| Total income from all sources (including contributions) | 2012-12-31 | $69,438,550 |
| Total loss/gain on sale of assets | 2012-12-31 | $0 |
| Total of all expenses incurred | 2012-12-31 | $213,327 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2012-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2012-12-31 | $0 |
| Value of total assets at end of year | 2012-12-31 | $700,237,396 |
| Value of total assets at beginning of year | 2012-12-31 | $549,372,694 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2012-12-31 | $213,327 |
| Total interest from all sources | 2012-12-31 | $-2,036 |
| Total dividends received (eg from common stock, registered investment company shares) | 2012-12-31 | $14,710,354 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2012-12-31 | $13,127,338 |
| Administrative expenses professional fees incurred | 2012-12-31 | $75,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2012-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2012-12-31 | $194,572,398 |
| Assets. Other investments not covered elsewhere at beginning of year | 2012-12-31 | $168,540,617 |
| Administrative expenses (other) incurred | 2012-12-31 | $116,072 |
| Value of net income/loss | 2012-12-31 | $69,225,223 |
| Value of net assets at end of year (total assets less liabilities) | 2012-12-31 | $700,237,396 |
| Value of net assets at beginning of year (total assets less liabilities) | 2012-12-31 | $549,372,694 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2012-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2012-12-31 | No |
| Investment advisory and management fees | 2012-12-31 | $22,255 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2012-12-31 | $321,715,507 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2012-12-31 | $330,260,110 |
| Value of interest in common/collective trusts at end of year | 2012-12-31 | $125,736,983 |
| Value of interest in common/collective trusts at beginning of year | 2012-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2012-12-31 | $5,474,520 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2012-12-31 | $2,156,593 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2012-12-31 | $2,156,593 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2012-12-31 | $-2,036 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2012-12-31 | $38,850,403 |
| Net investment gain or loss from common/collective trusts | 2012-12-31 | $6,690,732 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2012-12-31 | No |
| Assets. Invements in employer securities at end of year | 2012-12-31 | $52,737,988 |
| Assets. Invements in employer securities at beginning of year | 2012-12-31 | $48,415,374 |
| Income. Dividends from common stock | 2012-12-31 | $1,583,016 |
| Contract administrator fees | 2012-12-31 | $97,056 |
| Did the plan have assets held for investment | 2012-12-31 | Yes |
| 2011 : RIO TINTO AMERICA INC. SAVINGS PLAN TRUST 2011 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2011-12-31 | $-20,536,646 |
| Total unrealized appreciation/depreciation of assets | 2011-12-31 | $-20,536,646 |
| Total transfer of assets to this plan | 2011-12-31 | $59,636,451 |
| Total transfer of assets from this plan | 2011-12-31 | $39,811,439 |
| Total liabilities at end of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total liabilities at beginning of year (benefit claims payable, operating payabales, acquisition indebtedness and other liabilities) | 2011-12-31 | $0 |
| Total income from all sources (including contributions) | 2011-12-31 | $-19,881,402 |
| Total loss/gain on sale of assets | 2011-12-31 | $0 |
| Total of all expenses incurred | 2011-12-31 | $7,806 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2011-12-31 | $0 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2011-12-31 | $0 |
| Value of total assets at end of year | 2011-12-31 | $549,372,693 |
| Value of total assets at beginning of year | 2011-12-31 | $549,436,889 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2011-12-31 | $7,806 |
| Total interest from all sources | 2011-12-31 | $377 |
| Total dividends received (eg from common stock, registered investment company shares) | 2011-12-31 | $3,309,516 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2011-12-31 | $2,233,820 |
| Administrative expenses professional fees incurred | 2011-12-31 | $75,000 |
| Were there any nonexempt tranactions with any party-in-interest | 2011-12-31 | No |
| Assets. Other investments not covered elsewhere at end of year | 2011-12-31 | $168,540,617 |
| Assets. Other investments not covered elsewhere at beginning of year | 2011-12-31 | $77,915,618 |
| Other income not declared elsewhere | 2011-12-31 | $3,027,273 |
| Value of net income/loss | 2011-12-31 | $-19,889,208 |
| Value of net assets at end of year (total assets less liabilities) | 2011-12-31 | $549,372,693 |
| Value of net assets at beginning of year (total assets less liabilities) | 2011-12-31 | $549,436,889 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2011-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2011-12-31 | No |
| Investment advisory and management fees | 2011-12-31 | $7,806 |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2011-12-31 | $330,260,110 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2011-12-31 | $286,709,808 |
| Value of interest in common/collective trusts at end of year | 2011-12-31 | $168,540,619 |
| Value of interest in common/collective trusts at beginning of year | 2011-12-31 | $195,007,055 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2011-12-31 | $2,716,414 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2011-12-31 | $79,427,324 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2011-12-31 | $79,427,324 |
| Interest earned from interest bearing cash (including money market accounts and certificates of deposit) | 2011-12-31 | $377 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2011-12-31 | $-10,705,682 |
| Net investment gain or loss from common/collective trusts | 2011-12-31 | $8,051,033 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2011-12-31 | No |
| Assets. Invements in employer securities at end of year | 2011-12-31 | $47,855,550 |
| Assets. Invements in employer securities at beginning of year | 2011-12-31 | $67,720,026 |
| Income. Dividends from preferred stock | 2011-12-31 | $0 |
| Income. Dividends from common stock | 2011-12-31 | $1,075,696 |
| Did the plan have assets held for investment | 2011-12-31 | Yes |
| 2010 : RIO TINTO AMERICA INC. SAVINGS PLAN TRUST 2010 401k financial data |
|---|
| Unrealized appreciation/depreciation of other (non real estate) assets | 2010-12-31 | $19,338,999 |
| Total unrealized appreciation/depreciation of assets | 2010-12-31 | $19,338,999 |
| Total transfer of assets to this plan | 2010-12-31 | $568,872,034 |
| Total income from all sources (including contributions) | 2010-12-31 | $95,060,878 |
| Total of all expenses incurred | 2010-12-31 | $114,496,023 |
| Benefit payments and payments to participlants,beneficiaries,insurance carriers and others | 2010-12-31 | $114,407,158 |
| Total contributions o plan (from employers,participants, others, non cash contrinutions) | 2010-12-31 | $34,829,747 |
| Value of total assets at end of year | 2010-12-31 | $549,436,889 |
| Value of total assets at beginning of year | 2010-12-31 | $0 |
| Total of administrative expenses incurred including professional, contract, advisory and management fees | 2010-12-31 | $88,865 |
| Total dividends received (eg from common stock, registered investment company shares) | 2010-12-31 | $1,737,601 |
| Total dividends received from registered investment company shares (eg mutual funds) | 2010-12-31 | $1,288,928 |
| Administrative expenses professional fees incurred | 2010-12-31 | $88,865 |
| Were there any nonexempt tranactions with any party-in-interest | 2010-12-31 | No |
| Contributions received from participants | 2010-12-31 | $17,780,698 |
| Participant contributions at end of year | 2010-12-31 | $8,344,459 |
| Participant contributions at beginning of year | 2010-12-31 | $0 |
| Income. Received or receivable in cash from other sources (including rollovers) | 2010-12-31 | $607,638 |
| Other income not declared elsewhere | 2010-12-31 | $849,249 |
| Value of net income/loss | 2010-12-31 | $-19,435,145 |
| Value of net assets at end of year (total assets less liabilities) | 2010-12-31 | $549,436,889 |
| Value of net assets at beginning of year (total assets less liabilities) | 2010-12-31 | $0 |
| Were any loans by the plan or fixed income obligations due to the plan in default | 2010-12-31 | No |
| Were any leases to which the plan was party in default or uncollectible | 2010-12-31 | No |
| Value of interest in registered invesment companies (eg mutual funds) at end of year | 2010-12-31 | $278,365,349 |
| Value of interest in registered invesment companies (eg mutual funds) at beginning of year | 2010-12-31 | $0 |
| Value of interest in common/collective trusts at end of year | 2010-12-31 | $37,664,113 |
| Value of interest in common/collective trusts at beginning of year | 2010-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at end of year | 2010-12-31 | $79,427,324 |
| Interest-bearing cash (include money market accounts & certificates of deposit) at beginning of the Year | 2010-12-31 | $0 |
| Value of interest bearing cash (including money market accounts and certificates of deposits) at beginning of year | 2010-12-31 | $0 |
| Value of funds held in insurance company general accounts (unallocated contracts) at end of year | 2010-12-31 | $77,915,618 |
| Value of funds held in insurance company general accounts (unallocated contracts) at beginning of year | 2010-12-31 | $0 |
| Net investment gain/loss from registered investment companies (e.g. mutual funds) | 2010-12-31 | $33,330,440 |
| Net investment gain or loss from common/collective trusts | 2010-12-31 | $4,974,842 |
| Were any plan transactions or series of transactions in excess of 5% of the current value of the plan assets | 2010-12-31 | No |
| Assets. Invements in employer securities at end of year | 2010-12-31 | $67,720,026 |
| Assets. Invements in employer securities at beginning of year | 2010-12-31 | $0 |
| Contributions received in cash from employer | 2010-12-31 | $16,441,411 |
| Income. Dividends from common stock | 2010-12-31 | $448,673 |
| Benefit payments and payments to provide benefits directly to participlants or beneficiaries including direct rollovers | 2010-12-31 | $114,407,158 |
| Did the plan have assets held for investment | 2010-12-31 | No |
