WGL (WGL) 10-Q 2010 Q1 Quarterly report

Exhibit 99.4

WASHINGTON GAS LIGHT COMPANY

Computation of Ratio of Earnings to Fixed Charges
and Preferred Stock Dividends (Unaudited)

	Twelve Months Ended
($ in thousands)	December 31, 2009
FIXED CHARGES AND PRE-TAX PREFERRED STOCK DIVIDENDS:
Preferred Stock Dividends	$	1,320
Effective Income Tax Rate		0.3801
Complement of Effective Income Tax Rate (1-Tax Rate)		0.6199
Pre-Tax Preferred Stock Dividends	$	2,129
FIXED CHARGES:
Interest Expense	$	41,212
Amortization of Debt Premium, Discount and Expense		463
Interest Component of Rentals		1,239
Total Fixed Charges		42,914
Pre-Tax Preferred Stock Dividends		2,129
Total Fixed Charges and Preferred Stock Dividends	$	45,043
EARNINGS:
Net Income before Dividends on Preferred Stock	$	93,507
Add:
Income Taxes		57,329
Total Fixed Charges		42,914
Total Earnings	$	193,750
Ratio of Earnings to Fixed Charges and Preferred Stock Dividends		4.3