X0508 4 2026-02-06 0000075362 PACCAR INC PCAR 0002050054 Bloch Laura J 777 - 106TH AVE. N.E. BELLEVUE WA 98004 1 Senior Vice President 0 Common Stock 6102.0000 D Common Stock 2344.9760 I By PACCAR Savings Investment Plan (SIP) Stock Option 127.3500 2026-02-06 4 A 0 13260.0000 A 2029-01-01 2036-02-06 Common Stock 13260.0000 13260.0000 D Stock Units (LTIP) 2026-02-06 4 A 0 4244.0000 127.3500 A Common Stock 4244.0000 6450.0000 D Stock Option 71.9500 2026-01-01 2033-02-08 Common Stock 9668.0000 9668.0000 D Stock Option 104.1600 2027-01-01 2034-02-05 Common Stock 7504.0000 7504.0000 D Stock Option 109.1300 2028-01-01 2035-02-03 Common Stock 13588.0000 13588.0000 D Option to buy awarded under PACCAR Long Term Incentive Plan (LTIP). Restricted stock units held in deferred phantom stock account under Long Term Incentive Plan (LTIP) convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions. Restricted stock units awarded under PACCAR Long Term Incentive Plan (LTIP) and convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions. Each award vests in four equal installments commencing on March 1 following the award and January 1 of the next three years. Michael R. Beers, by Power of Attorney 2026-02-06