Fourth Quarter and Full Year 2022 Financial and Operating Results NASDAQ: HALO February 21, 2023 1 Forward Looking Statements In addition to historical information, the statements set forth in this presentation include forward-looking statements including, without limitation, statements concerning the Company's expected future financial performance (including the Company's financial outlook for 2023) and expectations for profitability, revenue (including expectations for future royalties, milestones and pro ...