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The results of operations for oil and gas producing activities shown below exclude sales of purchased natural gas, non- operating income (including gains on sales of oil and gas properties), interest expense and gains and losses resulting from foreign exchange transactions. Therefore, these results 

## RESULTS OF OPERATIONS FOR OIL AND GAS PRODUCING ACTIVITIES 

are on a different basis than the net income from exploration and production operations reported in management’s dis- cussion and analysis of results of operations and in Note 19 to the financial statements. 

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