NEWS

Oshkosh Defense and Armed Forces Foundation Announce Final Rumble With a Cause Sweepstakes Events

OSHKOSH, Wis. — March 25, 2010 — Oshkosh Defense, a division of Oshkosh Corporation (NYSE: OSK), is continuing its support of the Armed Forces Foundation (AFF) Rumble With a Cause sweepstakes with its final events as the sweepstakes comes to a close on April 15. The sweepstakes has raised more than $120,000 for the AFF to date, with a goal of raising $150,000 in total. Two sweepstakes winners will be chosen with each receiving either a custom-painted, U.S. Army- or Marine Corps-themed Harley-Davidson® Fat Boy® motorcycle, donated to the AFF for the sweepstakes by Oshkosh Defense.

Oshkosh will be supporting the sweepstakes next at the Texas National Guard State Conference March 26-28 in Austin, Texas. With the support of Oshkosh, the AFF launched the Rumble With a Cause sweepstakes in October 2009. Donations raised through the sweepstakes will support the AFF and its wide range of assistance to active and retired military members and their families, including counseling, living expenses, funeral arrangements, housing improvements and career counseling.

“The men and women who serve in our armed forces can face a wide range of challenges upon their return home. The assistance the AFF provides goes a long in way in helping them cope with the mental and physical effects of war, as well as the process of transitioning back to civilian life,” said Andy Hove, Oshkosh Corporation executive vice president and president, Defense. “Rumble With a Cause is a very worthy effort that we are pleased to support to help make the AFF’s tremendous services available to military members and their families.”

AFF employees will be on-site at the Texas event to collect donations and sweepstakes entries. Those not able to attend the events may enter online at www.rumblewithacause.org.

NO DONATION OR PURCHASE IS NECESSARY TO ENTER. Individuals will receive one entry for each $10 donation made up to a total of $200 or 20 entries. All rules, including instructions for entry without donation and eligibility requirements, are on the sweepstakes Web site.

About The Armed Forces Foundation:

The Armed Forces Foundation (AFF) was established in 2001 as a national 501 (c) (3) non-profit organization. A part of the U.S. Department of Defense’s America Supports You program, AFF considers it their duty; honor and privilege to serve the needs of those that have bravely served our country. AFF issues direct aid to our wounded warriors, as well as active-duty, retired personnel, Guard, Reserve Components, and their families through a variety of programs. From financial assistance to morale, welfare and recreation, AFF’s dedication to our troops help them get back on their feet and care for their loved ones at home. For more information, please visit www.armedforcesfoundation.org. “Serving Those Who Serve” • 16 North Carolina Ave. SE, Washington, DC 20003 • T: 202.547.4713 • Tax ID No.: 75-3070368 • CFC # 12247

About Oshkosh Defense

Oshkosh Defense, a division of Oshkosh Corporation, is an industry-leading global designer and manufacturer of tactical military trucks and armored wheeled vehicles, delivering a full product line of conventional and hybrid vehicles, advanced armor options, proprietary suspensions and vehicles with payloads that can exceed 70 tons. Oshkosh Defense provides a global service and supply network including full life-cycle support and remanufacturing, and its vehicles are recognized the world over for superior performance, reliability and protection. For more information, visit www.oshkoshdefense.com.

About Oshkosh Corporation

Oshkosh Corporation is a leading designer, manufacturer and marketer of a broad range of specialty access equipment, commercial, fire & emergency and military vehicles and vehicle bodies. Oshkosh Corp. manufactures, distributes and services products under the brands of Oshkosh®, JLG®, Pierce®, McNeilus®, Medtec®, Jerr-Dan®, Oshkosh Specialty Vehicles, Frontline™, SMIT™, CON-E-CO®, London® and IMT®. Oshkosh products are valued worldwide in businesses where high quality, superior performance, rugged reliability and long-term value are paramount. For more information, log on to www.oshkoshcorporation.com.

®, ™ All brand names referred to in this news release are trademarks of Oshkosh Corporation or its subsidiary companies.

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Forward-Looking Statements

This press release contains statements that the Company believes to be “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact, including, without limitation, statements regarding the Company’s future financial position, business strategy, targets, projected sales, costs, earnings, capital expenditures, debt levels and cash flows, and plans and objectives of management for future operations, are forward-looking statements. When used in this press release, words such as “may,” “will,” “expect,” “intend,” “estimate,” “anticipate,” “believe,” “should,” “project” or “plan” or the negative thereof or variations thereon or similar terminology are generally intended to identify forward-looking statements. These forward-looking statements are not guarantees of future performance and are subject to risks, uncertainties, assumptions and other factors, some of which are beyond the Company’s control, which could cause actual results to differ materially from those expressed or implied by such forward-looking statements. These factors include risks related to sustaining the required rate of production for the M-ATV contract and the amount, if any, of additional orders for M-ATVs that the Company may receive; the cyclical nature of the Company’s access equipment, commercial and fire & emergency markets, especially during a global recession and tight credit markets; the duration of the global recession, which could lead to additional impairment charges related to many of the Company’s intangible assets; the expected level and timing of U.S. Department of Defense procurement of products and services and funding thereof, risks related to reductions in government expenditures, the potential for the government to competitively bid the Company’s Army and Marine contracts and the uncertainty of government contracts generally; the consequences of financial leverage associated with the JLG acquisition, which could limit the Company’s ability to pursue various opportunities; risks related to the collectability of receivables during a recession, particularly for those businesses with exposure to construction markets; risks related to production delays as a result of the economy’s impact on the Company’s suppliers; the potential for commodity costs to rise sharply, including in a future economic recovery; risks associated with international operations and sales, including foreign currency fluctuations; and the potential for increased costs relating to compliance with changes in laws and regulations. Additional information concerning these and other factors is contained in the Company’s filings with the Securities and Exchange Commission. All forward-looking statements speak only as of the date of this press release. The Company assumes no obligation, and disclaims any obligation, to update information contained in this press release. Investors should be aware that the Company may not update such information until the Company’s next quarterly earnings conference call, if at all

NEWS CONTACTS

For further information
please contact:
Alexandra Hittle
Sr. Manager, Global Brand Management
Oshkosh Defense
920.966.5978

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