Exhibit 99.1 KNOT OFFSHORE PARTNERS LP EARNINGS RELEASE—INTERIM RESULTS FOR THE PERIOD ENDED SEPTEMBER 30, 2025 Financial Highlights For the three months ended September 30, 2025 ("Q3 2025"), KNOT Offshore Partners LP ("KNOT Offshore Partners" or the "Partnership"; NYSE:KNOP): Other Partnership Highlights and Events 1 EBITDA and Adjusted EBITDA are non-GAAP financial measures used by management and external users of the Partnership's financial statements. Please see Appendix A for definitions of EBITDA and ...