Exhibit 99.1 Copa Holdings Reports Financial Results for the First Quarter of 2023 Panama City, Panama --- May 10, 2023. Copa Holdings, S.A. (NYSE: CPA), today announced financial results for the first quarter of 2023 (1Q23). The terms “Copa Holdings” and the “Company” refer to the consolidated entity. The following financial information, unless otherwise indicated, is presented in accordance with International Financial Reporting Standards (IFRS). See the accompanying reconciliation of non-IFRS financial i ...