| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| ten Bruggencate Marco | President, Ind Interm & Infras | 2211 H.H. DOW WAY, MIDLAND | /s/ Marco ten Bruggencate | 17 Feb 2026 | 0002048178 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DOW | Common Stock | Award | $0 | +1,453 | +6% | $0.000000 | 25,771 | 12 Feb 2026 | Direct | F1 |
| transaction | DOW | Common Stock | Award | $0 | +9,170 | +36% | $0.000000 | 34,941 | 12 Feb 2026 | Direct | F2, F3 |
| holding | DOW | Common Stock | 1,168 | 12 Feb 2026 | By Spouse | F4 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DOW | Non-Qualified Stock Option (Right to Buy) | Award | $0 | +49,880 | $0.000000 | 49,880 | 12 Feb 2026 | Common Stock | 49,880 | $32.65 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | Performance share units not previously reportable were determined after certification of the applicable performance metrics. Performance share units will be settled in one installment on or about February 26, 2026, subject to continued employment. |
| F2 | Restricted stock units to be delivered in one installment on or about February 12, 2029, subject to continued employment. |
| F3 | Total includes previously reported restricted stock units, 715 shares acquired under the Issuer's Employee Stock Purchase Plan on October 3, 2025, and shares acquired pursuant to dividend reinvestment. |
| F4 | Total includes shares acquired pursuant to dividend reinvestment. |
| F5 | This option will vest in three equal annual installments beginning on February 12, 2027. Option shares will be used to satisfy withholding taxes as applicable. |