STOCKHOLDERS’ INFORMATION Corporate Offices Mailing Address Stock Transfer  and Dividend  Dispersing Agent Independent Auditors Telephone Facsimile Web site PACCAR’s transfer agent  maintains the company’s  shareholder records, issues  stock certificates and  distributes dividends and  IRS Form 1099. Requests  concerning these matters  should be directed to  Wells Fargo. PACCAR Building 777 106th Avenue N.E. Bellevue, Washington 98004 P.O. Box 1518 Bellevue, Washington 98009 425.468.7400 425.468.8216 www.paccar.com Wells Fargo Bank Minnesota, N.A. Shareowner Services P.O. Box 64854 St. Paul, Minnesota  55164-0854 800.468.9716 www.wellsfargo.com/ shareownerservices PACCAR’s 2011 Annual  Report and the 2012 Proxy  Statement are available on PACCAR’s Web site at  www.paccar.com/  2012annualmeeting/  Stockholders who hold  PACCAR stock in street name may inquire of their  bank or broker about the  availability of electronic  delivery of annual meeting documents. This report was printed  on recycled paper. An Equal Opportunity  Employer April 24, 2012, 10:30 a.m.  Meydenbauer Center 11100 N.E. Sixth Street Bellevue, Washington 98004 PACCAR’s annual report  to the Securities and  Exchange Commission  will be furnished to  stockholders on request  to the Corporate  Secretary, PACCAR Inc,  P.O. Box 1518, Bellevue,  Washington 98009. It is also available online at www.paccar.com/investors/ investor_resources.asp,  under SEC Filings. Ernst & Young LLP Seattle, Washington DAF, Kenmex, Kenworth,  Kenworth Premier Care,  Leyland, NavPlus, PACCAR,  PACCAR MX, PACCAR PR,  PACCAR PX, PacLease,  Peterbilt, Peterbilt TruckCare,  SmartNav, SmartSound, The World's Best, TRP and  TruckerLink are trademarks  owned by PACCAR Inc and  its subsidiaries.  SEC Form 10-K Online Delivery of  Annual Report and Proxy  Statement Annual Stockholders’ Meeting