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10-Q - FORM 10-Q - NORTHWEST NATURAL GAS COnwn-2014x630x10q.htm
EX-31.1 - EXHIBIT 31.1 CEO CERTIFICATION - NORTHWEST NATURAL GAS COnwn-2014x630x10qxexhibit311.htm
EX-32.1 - EXHIBIT 32.1 CEO AND CFO CERTIFICATION - NORTHWEST NATURAL GAS COnwn-2014x630x10qxexhibit321.htm
EXCEL - IDEA: XBRL DOCUMENT - NORTHWEST NATURAL GAS COFinancial_Report.xls
EX-31.2 - EXHIBIT 31.2 CFO CERTIFICATION - NORTHWEST NATURAL GAS COnwn-2014x630x10qxexhibit312.htm

EXHIBIT 12
NORTHWEST NATURAL GAS COMPANY  
Ratios of Earnings to Fixed Charges
(Unaudited) 
 
Year Ended December 31,
 
12 Months Ended June 30,
 
Six Months(1) Ended June 30,
In thousands, except share data
2013
 
2012
 
2011
 
2010
 
2009
 
2014
 
2014
Fixed Charges, as defined:
 
 
 
 
 
 
 
 
 
 
 
 
 
Interest on Long-Term Debt
$
40,825

 
$
39,175

 
$
37,515

 
$
39,198

 
$
37,447

 
$
41,697

 
$
20,942

Other Interest
2,709

 
2,314

 
2,976

 
1,587

 
1,937

 
2,667

 
1,265

Amortization of Debt Discount and Expense
1,877

 
1,848

 
1,729

 
1,766

 
1,503

 
2,036

 
1,086

Interest Portion of Rentals
1,910

 
1,864

 
2,213

 
2,130

 
1,735

 
2,045

 
1,073

Total Fixed Charges, as defined
47,321

 
45,201

 
44,433

 
44,681

 
42,622

 
48,445

 
24,366

Earnings, as defined:
 
 
 
 
 
 
 
 
 
 
 
 
 
Net Income
60,538

 
58,779

 
63,044

 
72,013

 
74,632

 
59,728

 
38,955

Taxes on Income
41,705

 
43,403

 
42,825

 
49,033

 
46,349

 
42,172

 
27,765

Fixed Charges, as above
47,321

 
45,201

 
44,433

 
44,681

 
42,622

 
48,445

 
24,366

Total Earnings, as defined
$
149,564

 
$
147,383

 
$
150,302

 
$
165,727

 
$
163,603

 
$
150,345

 
$
91,086

Ratios of Earnings to Fixed Charges(2)
3.16

 
3.26

 
3.38

 
3.71

 
3.84

 
3.10

 
3.74


(1) A significant part of the business of NW Natural is of a seasonal nature; therefore, the ratios of earnings to fixed charges for the interim periods are not necessarily indicative of full year results.