| Thu, Jul 2, 2009 | | | NW Natural Schedules Conference Call to Review Financial Results for Quarter & Year-to-Date Period Ending June 30, 2009 Business Wire (Thu, Jul 2)
| | Fri, May 29, 2009 | | | NORTHWEST NATURAL GAS CO Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits EDGAR Online (Fri, May 29)
| | | Friday Stock Trades: Utilities, Agriculture & More... at CNBC (Fri, May 29)
| | Thu, May 28, 2009 | | | NW Natural Reports Strong Year in 2008 and Celebrates its 150th Year as a Company with a Solid Start to 2009 at Annual Meeting of Shareholders Business Wire (Thu, May 28)
| | Wed, May 27, 2009 | | | NW Natural Gas upgraded by UBS Briefing.com (Wed, May 27)
| | Tue, May 12, 2009 | | | NORTHWEST NATURAL GAS CO Financials EDGAR Online Financials (Tue, May 12)
| | 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)
| | Sun, May 3, 2009 | | | New Star Analyst Rankings for NORTHWEST NAT GAS StarMine (Sun, May 3)
| | 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)
| | | Q1 2009 NW Natural Earnings Release - Before Market Open CCBN (Fri, May 1)
| | | Northwest Natural Gas profit up, boosts guidance at MarketWatch (Fri, May 1)
| | | Northwest Natural Gas profit up, boosts guidance at MarketWatch (Fri, May 1)
| | | NW Natural Reports Strong Results for the Quarter Ended March 31, 2009 Business Wire (Fri, May 1)
| | Tue, Apr 21, 2009 | | | Form 10 K for NorthWest Natural Gas Co. WILink (Tue, Apr 21)
| | 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)
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