Mediacom Broadband 10-K 2007 FY Annual report

Exhibit 12.1

Mediacom Broadband LLC

Schedule of Computation of Ratio of Earnings to Fixed Charges and Preferred Dividends

	For the Years Ended December 31,
	2007			2006			2005			2004		2003
	(In thousands, except ratio amounts)
Earnings:
Income (loss) before income taxes	$	5,274		$	(15,238	)	$	11,003		$	34,852	$	10,082
Interest expense, net		120,673			109,869			97,282			86,125		82,536
Amortization of capitalized interest		1,114			962			821			695		503
Amortization of debt issuance costs		1,989			2,622			4,600			2,099		2,365
Interest component of rent expense(1)		2,904			2,803			2,289			2,137		2,086
Earnings available for fixed charges	$	131,954		$	101,018		$	115,995		$	125,908	$	97,572
Fixed Charges:
Interest expense, net	$	120,673		$	109,869		$	97,282		$	86,125	$	82,536
Capitalized interest		2,045			1,675			1,558			1,270		3,425
Amortization of debt issuance costs		1,989			2,622			4,600			2,099		2,365
Interest component of rent expense(1)		2,904			2,803			2,289			2,137		2,086
Preferred dividends		18,000			18,000			18,000			18,000		18,000
Total fixed charges	$	145,611		$	134,969		$	123,729		$	109,631	$	108,412
Ratio of earnings to fixed charges and preferred dividends		—			—			—			1.15		—
Deficiency of earnings over fixed charges	$	(13,657	)	$	(33,951	)	$	(7,734	)	$	—	$	(10,840	)

⁽¹⁾ A reasonable approximation (one-third) is deemed to be the interest factor included in rental expense.