PACCAR Announces Quarterly Cash Dividend

July 7, 2009, Bellevue, Washington PACCARs Board of Directors declared that PACCARs regular quarterly dividend will be reduced from $.18 (eighteen cents) to $.09 (nine cents) per share, payable September 8, 2009, to stockholders of record at the close of business on August 18, 2009.  PACCAR has earned a net profit for 70 consecutive years and has paid a dividend every year since 1941.

We are adjusting the quarterly dividend payment as a prudent business measure in response to the global challenges affecting all industries, shared Mark Pigott, PACCAR chairman and chief executive officer.  We recognize the importance of the dividend to our shareholders and the significance of this decision.  PACCAR has increased its regular quarterly dividend 200 percent since 1998, including this adjustment, and looks forward to resuming the growth of the dividend when business markets normalize. Pigott added, Todays proactive decision will enhance PACCARs strong balance sheet and liquidity and enable the company to further invest in important projects such as new truck models including diesel-electric hybrid vehicles, industry-leading factory productivity and customer-focused aftermarket distribution centers.

PACCAR is a global technology leader in the design, manufacture and customer support of high-quality light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates.  It also provides financial services and information technology and aftermarket support for its customers worldwide.  PACCAR shares are traded on the Nasdaq Stock Market, symbol PCAR, and its homepage is www.paccar.com.