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EXHIBIT 11
NORTHWEST NATURAL GAS COMPANY
Statement re: Computation of Per Share Earnings
(Thousands, Except Per Share Amounts)
Three Months Ended Nine Months Ended
Sept. 30, Sept. 30,
2000 1999 2000 1999
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<S> <C> <C> <C> <C>
Earnings (Loss) Applicable to Common Stock $ (5,489) $ (4,183) $ 27,392 $ 29,374
Debenture Interest Less Taxes 100 105 299 315
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Net Income (Loss) Available for Diluted Common
Stock $ (5,389) $ (4,078) $ 27,691 $ 29,689
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Average Common Shares Outstanding 25,203 25,007 25,175 24,946
Stock Options 29 31 8 15
Convertible Debentures 453 476 453 476
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Diluted Common Shares 25,685 25,514 25,636 25,437
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Diluted Earnings (Loss) Per Share of Common Stock $ (0.22) $ (0.17) $ 1.08 $ 1.17
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