Exhibit 99.1

NEWS RELEASE

Skyline Corporation

2520 By-Pass Road

P.O. Box 743

Elkhart, Indiana 46515-0743

(574) 294-6521

Subject: THIRD QUARTER REPORT Approved by: JON S. PILARSKI

ELKHART, INDIANA — APRIL 5, 2013

SKYLINE REPORTS RESULTS FOR THIRD QUARTER AND FIRST NINE MONTHS

Skyline’s net sales for the third quarter of fiscal year 2013 were $36,986,000 as compared to $36,805,000 in the third quarter of fiscal 2012. For the first nine months of fiscal 2013, net sales were $128,742,000 as compared to $132,385,000 in the first nine months of fiscal 2012.

Net sales for Skyline’s housing segment were $22,114,000 in the third quarter of fiscal 2013 as compared to $19,065,000 in the third quarter of fiscal 2012. For the first nine months of fiscal 2013, net sales were $81,571,000 as compared to $80,368,000 in the first nine months of fiscal 2012.

Net sales for Skyline’s recreational vehicle segment were $14,872,000 in fiscal 2013’s third quarter as compared to $17,740,000 for the third quarter of fiscal 2012. For the first nine months of fiscal 2013, net sales were $47,171,000 as compared to $52,017,000 for the same period a year ago.

Skyline reported a net loss of $5,365,000, or $.64 per share, in the third quarter of fiscal 2013 as compared to a net loss of $7,387,000, or $.88 per share, in the third quarter of fiscal 2012. For the first nine months of fiscal 2013, net loss was $10,558,000, or $1.26 per share, compared to a net loss of $17,654,000, or $2.10 per share, for a year ago. Included in current year’s pretax loss for the first nine months was a $1,411,000 gain on the sale of idle property, plant and equipment. Likewise, prior year’s pretax loss for the first nine months included a $2,500,000 gain on the sale of idle property, plant and equipment.

Skyline continues to maintain a balance sheet with no debt and a significant position of its working capital in cash and U.S. Treasury Bills. This financial strength, along with experienced employees and initiatives to increase revenues and reduce costs, should assist the Corporation in meeting challenges as they occur.

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BRINGING AMERICA HOME. BRINGING AMERICA FUN.

SKYLINE CORPORATION AND SUBSIDIARY COMPANIES

CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS

(Dollars in thousands, except share and per share data)

	Three Months Ended						Nine Months Ended
	(Unaudited)						(Unaudited)
	February 28,			February 29,			February 28,			February 29,
	2013			2012			2013			2012
Net sales	$	36,986		$	36,805		$	128,742		$	132,385
Loss before income taxes		(5,365	)		(7,387	)		(10,558	)(A)		(17,654	)(B)
Benefit from income taxes		—			—			—			—
Net loss	$	(5,365	)	$	(7,387	)	$	(10,558	)	$	(17,654	)
Basic loss per share	$	(.64	)	$	(.88	)	$	(1.26	)	$	(2.10	)
Number of weighted average common shares outstanding		8,391,244			8,391,244			8,391,244			8,391,244

(A) Includes $1,411 gain on sale of idle property, plant and equipment.

(B) Includes $2,500 gain on sale of idle property, plant and equipment.

SKYLINE CORPORATION AND SUBSIDIARY COMPANIES

CONSOLIDATED CONDENSED BALANCE SHEETS

(Dollars in thousands)

	(Unaudited)
	February 28,			February 29,
	2013			2012
ASSETS
Cash, restricted cash and temporary cash investments	$	16,258		$	30,744
Accounts receivable		13,714			11,716
Note receivable, current		46			—
Inventories		10,340			9,170
Other current assets		3,183			2,614
Total Current Assets		43,541			54,244
Note receivable, long-term		1,643			—
Property, Plant and Equipment, net		19,039			21,947
Other Assets		6,165			6,019
Total Assets	$	70,388		$	82,210
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accounts payable, trade	$	3,560		$	3,093
Accrued liabilities		13,244			13,611
Total Current Liabilities		16,804			16,704
Other Deferred Liabilities		7,978			7,632
Common stock		312			312
Additional paid-in capital		4,928			4,928
Retained earnings		106,110			118,378
Treasury stock, at cost		(65,744	)		(65,744	)
Total Shareholders’ Equity		45,606			57,874
Total Liabilities and Shareholders’ Equity	$	70,388		$	82,210