X0101 4 2003-05-15 0 0000073020 NORTHWEST NATURAL GAS CO NWN 0001192728 CARTER JOHN D 1 0 0 0 Common Stock, $3-1/6 par value 2003-05-15 4 A 0 97.543 26.655 A 1815.963 I See footnote Reporting person has indirect beneficial ownership of shares of Northwest Natural Gas Company Common Stock, $3-1/6 par value, in the following form: 1,815.963 shares have been credited to reporting person's account under the issuer's Directors Deferred Compensation Plan, of which 97.543 shares were credited to reporting person's account on 5/15/03. Direct beneficial ownership of shares of Northwest Natural Gas Company Common Stock, $3-1/6 par value: 7,884.073 shares. /s/ C.J. Rue, Attorney-in-Fact 2003-05-16