EXHIBIT 11
NORTHWEST NATURAL GAS COMPANY
Statement re: Computation of Per Share Earnings
(Thousands, except per share amounts)
(Unaudited)
<TABLE>
<CAPTION>
Three Months Ended Six Months Ended
June 30, June 30,
-------------------- ---------------------
2000 1999 2000 1999
--------- ---------- ---------- ----------
<S> <C> <C> <C> <C>
Earnings Applicable to Common Stock $ 1,841 $ 10,151 $ 32,881 $ 33,557
Debenture Interest Less Taxes 100 106 201 212
--------- ---------- ---------- ----------
Net Income Available for Diluted Common
Stock $ 1,941 $ 10,257 $ 33,082 $ 33,769
========= ========== ========== ==========
Average Common Shares Outstanding 25,195 24,946 25,162 24,915
Stock Options 9 16 3 17
Convertible Debentures 456 483 456 483
--------- ---------- ---------- ----------
Diluted Common Shares 25,660 25,445 25,621 25,415
========= ========== ========== ==========
Diluted Earnings per Share of Common Stock $ 0.07 $ 0.40 $ 1.29 $ 1.33
========= ========== ========== ==========
</TABLE>