Other Information
−Removed: During the three months ended March 31, 2026, none of our directors or officers adopted , modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” as such terms are defined under Item 408 of Regulation S-K.
−Removed: 10.1 Form of U.S.
−Removed: Notice of Terms of Long-Term Incentive Performance Stock Units (Free Cash Flow)*
−Removed: 10.2 Form of Non-U.S.
−Removed: Notice of Terms of Long-Term Incentive Performance Stock Units (Free Cash Flow)*
−Removed: 10.3 Form of U.S.
−Removed: Notice of Terms of Long-Term Incentive Performance Stock Units (Relative TSR)*
−Removed: 10.4 Form of Non-U.S.
−Removed: Notice of Terms of Long-Term Incentive Performance Stock Units (Relative TSR)*
−Removed: 10.5 Form of U.S.
−Removed: Notice of Terms of Long-Term Incentive Restricted Stock Units (Post-Vesting Hold)*
−Removed: 10.6 Form of Non-U.S.
−Removed: Notice of Terms of Long-Term Incentive Restricted Stock Units (Post-Vesting Hold)*
−Removed: 10.7 Form of U.S.
−Removed: Notice of Terms of Long-Term Incentive Restricted Stock Units*
−Removed: 10.8 Form of Non-U.S.
−Removed: Notice of Terms of Long-Term Incentive Restricted Stock Units*
−Removed: 10.9 Letter Agreement with Quantz Advisory LLC*
+Added: During the three months ended June 30, 2026, none of our directors or officers adopted , modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” as such terms are defined under Item 408 of Regulation S-K.
+Added: 10.1 Supplemental Executive Retirement Plan for Employees of The Boeing Company, as amended and restated effective June 23, 2026*
+Added: 10.2 The Boeing Company Executive Supplemental Savings Plan, as amended and restated effective June 23, 2026*
+Added: 10.3 The Boeing Company Executive Layoff Benefits Plan, as amended and restated effective June 23, 2026*
15 Letter from Independent Registered Public Accounting Firm regarding unaudited interim financial information
14 unchanged sentences
THE BOEING COMPANY
−Removed: April 22, 2026 /s/ Michael J.
+Added: July 28, 2026 /s/ Michael J.
(Date) Michael J.
1 unchanged sentence
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.