Exhibit 99.1 XERIS BIOPHARMA REPORTS FIRST QUARTER 2024 FINANCIAL RESULTS AND RECENT EVENTS Q1 2024 Total Revenue of $40.6M – up 22% over Q1 2023 Tightening full-year 2024 total revenue guidance to $175M-$200M Ended Q1 with $87.4M in cash, cash equivalents, and short-term investments, lowered borrowing rate of Hayfin debt by 2.05% Entered into a worldwide license agreement for XeriJect® formulation of teprotumumab Announced an exclusive worldwide agreement with Beta Bionics for development of a new XeriSol™ ...