X0306 4 2020-03-06 0000012927 BOEING CO BA 0001775883 Gerry Brett C. 100 N. RIVERSIDE PLAZA M/C 5003-1001 CHICAGO IL 60606 1 EVP and General Counsel Common Stock 2020-03-06 4 F 0 12.0700 257.0500 D 5320.0100 D Common Stock 3.1700 I 401(k) plan Common Stock 7470.0000 I By Trust Shares withheld for payment of taxes on vesting of restricted stock units and performance-based restricted stock units; not an open market transaction. Includes adjustments for dividends accrued. Reflects periodic contributions to the issuer's common stock fund in the issuer's 401(k) plan. Ownership in the issuer's 401(k) plan is represented by units in the issuer's common stock fund in the plan rather than shares of common stock. /s/ Gregory C. Vogelsperger, Attorney-in-Fact 2020-03-10