| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Restrepo William J | Former Chief Financial Officer | C/O NABORS CORPORATE SERVICES, INC., 515 W. GREENS RD., SUITE 1200, HOUSTON | /s/ Mark D. Andrews by Power of Attorney for William Restrepo | 05 Jan 2026 | 0001334321 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NBR | Common Stock | Options Exercise | $0 | +17,105 | +15% | $0.000000 | 128,434 | 01 Jan 2026 | Direct | F1 |
| transaction | NBR | Common Stock | Tax liability | $235,825 | -4,343 | -3.4% | $54.30 | 124,091 | 01 Jan 2026 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NBR | 2025 Performance Share Units | Award | $0 | +17,105 | $0.000000 | 17,105 | 01 Jan 2026 | Common Stock | 17,105 | Direct | F3, F4 | ||
| transaction | NBR | 2025 Performance Share Units | Options Exercise | $0 | -17,105 | -100% | $0.000000 | 0 | 01 Jan 2026 | Common Stock | 17,105 | Direct | F1, F3 | |
| holding | NBR | 2021 Warrants | 44,212 | 01 Jan 2026 | Common Stock | 44,212 | $166.67 | Direct |
William J. Restrepo is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
| Id | Content |
|---|---|
| F1 | Reflects the number of shares vesting on January 1, 2026 in respect of the 17,105 earned and vested Performance restricted stock units originally granted on January 1, 2025. |
| F2 | Reflects the number of shares surrendered on January 1, 2026 to satisfy the tax withholding on the vesting and issuance of 17,105 shares of the 17,105 Performance restricted stock units originally granted on January 1, 2025. The remaining 12,762 vested performance shares were retained by Mr. Restrepo. |
| F3 | Performance restricted stock units convert into common shares on a 1-for-1 basis. |
| F4 | These Performance restricted stock units were earned by Mr. Restrepo pursuant to his employment agreement and the terms therein upon his qualifying retirement on October 1, 2025 as Chief Financial Officer, based on the achievement of certain objectives for the year 2025, as determined on December 31, 2025, by the Compensation Committee. 185.78% of the target number of performance restricted stock units granted pursuant to the terms of Mr. Restrepo's employment agreement were determined to have been earned, subject to proration to reflect the partial year of employment. The number reported above reflects the number of earned performance restricted stock units, prorated through September 30, 2025, that are payable in share-settled restricted stock units. The Performance restricted stock units that settle in shares are scheduled to fully vest, in accordance with Mr. Restrepo's employment agreement, on the first anniversary of the date of grant, January 1, 2026. |