EXHIBIT 99.1 For Immediate Release MERCER INTERNATIONAL INC. REPORTS FIRST QUARTER 2024 RESULTS AND ANNOUNCES QUARTERLY CASH DIVIDEND OF 0.075SelectedHighlightsNEWYORK,NY,May9,2024‑MercerInternationalInc.(Nasdaq:MERC)todayreportedfirstquarter2024OperatingEBITDAof63.6 million, an increase from 27.5millioninthesamequarterof2023and21.1 million in the fourth quarter of 2023. In the first quarter of 2024, net loss was 16.7million(or0.25 per share), which included a non-ca ...