Kilroy Realty Supplemental Financial Report Q4 2025 Exhibit 99.1 Where Innovation Works KILROY REALTY CORPORATION REPORTS FOURTH QUARTER AND FULL YEAR FINANCIAL RESULTS --------------- LOS ANGELES, February 9, 2026 - Kilroy Realty Corporation (NYSE: KRC) ("Kilroy" or the "Company") today reported financial results for the fourth quarter and full year ended December 31, 2025. "Our strong performance in the fourth quarter capped off an exceptional year of execution by the entire Kilroy Team," said Angela Aman ...