Oshkosh Corporation (NYSE: OSK) today announced that it has successfully priced its public offering of 13,000,000 shares of common stock at $25.00 per share to the public. The company has also granted the underwriters of the offering an option for 30 days to purchase up to 1,950,000 additional shares of common stock. These shares will be offered on the same terms and conditions solely to cover over-allotments, if any. The closing of the offering is subject to customary closing conditions, and the shares are expected to be delivered on August 12, 2009.

Assuming no exercise of the overallotment option, the company expects to receive net proceeds from this offering of approximately $311.4 million after deducting underwriting discounts and commissions and estimated expenses of the offering. The company plans to use the net proceeds of the offering to repay a portion of the term loan borrowings under its credit agreement.

BofA Merrill Lynch, J.P. Morgan, and Goldman, Sachs & Co. are the joint book-running managers for the offering.

The offering is being made only by means of a prospectus supplement and accompanying prospectus. The company has filed a registration statement (including a related prospectus and preliminary prospectus supplement) with the Securities and Exchange Commission (the SEC) for the offering to which this communication relates. Before you invest, you may obtain more information about the Company and this offering by reading the prospectus in that registration statement, the preliminary prospectus supplement and other documents the company has filed or will file with the SEC. You may get these documents for free by visiting EDGAR on the SEC website at www.sec.gov. Alternatively, copies may be obtained from BofA Merrill Lynch, Attention: Prospectus Department, 4 World Financial Center, New York, NY 10080 (1-212-449-1000), from J.P.