Exhibit 99.1 SEAPORT ENTERTAINMENT GROUP REPORTS SECOND QUARTER 2025 RESULTS NEW YORK, NY, August 11, 2025 – Seaport Entertainment Group Inc. (NYSE: SEG) ("Seaport Entertainment Group," "SEG", "we," "our," or the "Company") announced today its operating and financial results for the quarter ended June 30, 2025. "In just our first year as a standalone publicly traded company, we've made tremendous progress in establishing a strong foundation for success and future growth. I'm proud of our team's relentless f ...