| Schedule of calculations of basic and diluted earnings per unit |
| | | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | | | June 30, | | June 30, | | (U.S. Dollars in thousands, except per unit data) | | 2026 | | 2025 | | 2026 | | 2025 | | Net income (loss) | | $ | 3,411 | | $ | 6,810 | | $ | 6,038 | | $ | 14,391 | | Less: Series A Preferred unitholders’ interest in net income (loss) | | | 1,700 | | | 1,700 | | | 3,400 | | | 3,400 | | Net income (loss) attributable to the unitholders of KNOT Offshore Partners LP | | | 1,711 | | | 5,110 | | | 2,638 | | | 10,991 | | Less: Distributions (2) | | | 2,573 | | | 901 | | | 4,287 | | | 1,803 | | Under (over) distributed earnings | | | (862) | | | 4,209 | | | (1,649) | | | 9,188 | | Under (over) distributed earnings attributable to: | | | | | | | | | | | | | | Common unitholders | | | (846) | | | 4,130 | | | (1,618) | | | 9,018 | | Class B unitholders (3) | | | — | | | — | | | — | | | — | | General Partner | | | (16) | | | 79 | | | (31) | | | 170 | | Weighted average units outstanding (basic) (in thousands): | | | | | | | | | | | | | | Common unitholders | | | 33,660 | | | 34,045 | | | 33,660 | | | 34,045 | | Class B unitholders | | | 252 | | | 252 | | | 252 | | | 252 | | General Partner | | | 640 | | | 640 | | | 640 | | | 640 | | Weighted average units outstanding (diluted) (in thousands): | | | | | | | | | | | | | | Common unitholders | | | 37,910 | | | 38,324 | | | 37,910 | | | 38,324 | | Class B unitholders | | | 252 | | | 252 | | | 252 | | | 252 | | General Partner | | | 640 | | | 640 | | | 640 | | | 640 | | Earnings per unit (basic): | | | | | | | | | | | | | | Common unitholders | | $ | 0.05 | | $ | 0.15 | | $ | 0.08 | | $ | 0.32 | | Class B unitholders (3) | | | — | | | — | | | — | | | — | | General Partner | | | 0.05 | | | 0.15 | | | 0.08 | | | 0.32 | | Earnings per unit (diluted): | | | | | | | | | | | | | | Common unitholders (4) | | $ | 0.05 | | $ | 0.15 | | $ | 0.08 | | $ | 0.32 | | Class B unitholders (3) | | | — | | | — | | | — | | | — | | General Partner | | | 0.05 | | | 0.15 | | | 0.08 | | | 0.32 | | Cash distributions declared and paid in the period per unit (5) | | $ | 0.08 | | $ | 0.03 | | $ | 0.13 | | $ | 0.05 | | Subsequent event: Cash distributions declared and paid per unit relating to the period (6) | | $ | 0.08 | | $ | 0.03 | | $ | 0.13 | | $ | 0.05 | |
| (1) | Earnings per unit have been calculated in accordance with the cash distribution provisions set forth in the Partnership’s agreement of limited partnership (the “Partnership Agreement”). |
| (2) | This refers to distributions made or to be made in relation to the period irrespective of the declaration and payment dates and based on the number of units outstanding at the record date. |
| (3) | When the distribution target is not met, there is no allocation of net income (loss) to Class B units. |
| (4) | Diluted weighted average units outstanding and earnings per unit diluted for the three and six months ended June 30, 2026 and 2025 does not reflect any potential common units relating to the Series A Preferred Units since the assumed issuance of any additional units would be anti-dilutive. |
| (5) | Refers to cash distributions declared and paid during the period. |
| (6) | Refers to cash distributions declared and paid subsequent to the period end. |
|