| Fri, May 29, 2009 | | | Friday Stock Trades: Utilities, Agriculture & More... at CNBC (Fri, May 29)
| | Mon, May 4, 2009 | | | NORTHWEST NATURAL GAS CO Files SEC form 10-Q, Quarterly Report EDGAR Online (Mon, May 4)
| | | Northwest Natural Gas Beats 1Q Estimates at TheStreet.com (Mon, May 4)
| | | Northwest Natural Gas Beats 1Q Estimates at TheStreet.com (Mon, May 4)
| | Fri, May 1, 2009 | | | NORTHWEST NATURAL GAS CO Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and EDGAR Online (Fri, May 1)
| | Wed, Apr 15, 2009 | | | NORTHWEST NATURAL GAS CO Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits EDGAR Online (Wed, Apr 15)
| | Tue, Mar 31, 2009 | | | NORTHWEST NATURAL GAS CO Files SEC form 8-K, Other Events, Financial Statements and Exhibits EDGAR Online (Tue, Mar 31)
| | Mon, Mar 23, 2009 | | | NORTHWEST NATURAL GAS CO Files SEC form 8-K, Other Events, Financial Statements and Exhibits EDGAR Online (Mon, Mar 23)
| | Mon, Mar 2, 2009 | | | NW Natural Names New VP of Finance and Regulation Marketwire (Mon, Mar 2)
| | | NW Natural Names New VP of Finance and Regulation Marketwire (Mon, Mar 2)
| | | NORTHWEST NATURAL GAS CO Files SEC form 10-K, Annual Report EDGAR Online (Mon, Mar 2)
| | Fri, Feb 13, 2009 | | | Stocks For the Stimulus: NatGas & Military at CNBC (Fri, Feb 13)
| | Thu, Feb 12, 2009 | | | NORTHWEST NATURAL GAS CO Files SEC form 8-K, Results of Operations and Financial Condition EDGAR Online (Thu, Feb 12)
| | Tue, Dec 23, 2008 | | | NORTHWEST NATURAL GAS CO Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhi EDGAR Online (Tue, Dec 23)
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