Exhibit 99.1 INTERNATIONAL SEAWAYS REPORTS FIRST QUARTER 2024 RESULTS New York, NY – May 8, 2024– International Seaways, Inc. (NYSE: INSW) (the “Company,” “Seaways,” or “INSW”), one of the largest tanker companies worldwide providing energy transportation services for crude oil and petroleum products, today reported results for the first quarter 2024. HIGHLIGHTS & RECENT DEVELOPMENTS Strong Quarterly Earnings: · Net income for the first quarter of 2024 was $144.5 million, or$2.92 per diluted share. · Adjus ...