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              [html]<thead><tr><td>Consolidated 31 December 2014 ( US $/ 000 )</td><td>Level 1</td><td>Level 2</td><td>Level 3</td><td>Total</td></tr></thead><tbody><tr><td>< underline > Assets measured at fair value </ underline ></td><td>Derivative commodity contracts</td><td>-</td><td>9.476</td><td>-</td></tr><tr><td>9.476</td><td>Interest rate swap contracts</td><td>-</td><td>107</td><td>-</td></tr><tr><td>107</td><td>Development and production assets ( 1 )</td><td>-</td><td>-</td><td>455.084</td></tr><tr><td>455.084</td><td>< underline > Liabilities measured at fair value </ underline ></td><td>Interest rate swap contracts</td><td>_</td><td>( 130 )</td></tr><tr><td>__</td><td>( 130 )</td><td>Net fair value</td><td>P</td><td>9.453</td></tr><tr><td>__455.084</td><td>__464.537</td><td>( 1 ) Excludes work - in - progress and restoration provision assets totaling S63.9 million.</td><td>Consolidated 31 December 2013</td><td>( US $‘ 000 )</td></tr><tr><tdcolspan="5">Level 1</td></tr><tr><td>Level 2</td><td>Level 3</td><td>Total</td><td>< underline > Assets measured at fair value </ underline ></td><td>Interest rate swap contract</td></tr><tr><td>-</td><td>176</td><td>-</td><td>176</td><td>< underline > Liabilities measured at fair value </ underline ></td></tr><tr><td>Derivative commodity contracts</td><td>-</td><td>( 219 )</td><td>-</td><td>( 219 )</td></tr><tr><td>Interest rate swap contracts</td><td>____</td><td>( 147 )</td><td>-</td><td>( 147 )</td></tr></tbody>
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