First Quarter 2023 Financial Results Conference Call May 4, 2023 Apellis Participants C E D R I C F R AN C O I S , M . D . , P h . D . Co-Founder, President & Chief Executive Officer AD A M T O W N S E N D Chief Commercial Officer C AR O L I N E B AU M A L , M . D . Chief Medical Officer T I M O T H Y S U L L I VAN Chief Financial Officer 2 APELLIS PROPRIETARY INFORMATION / FOR APELLIS USE ONLY Forward-looking statements Statements in this presentation about future expectations, plans and prospects, as well ...