On January 16, 2024, the Board of Directors of Apellis Pharmaceuticals, Inc. appointed Adam Townsend, the Company?s Chief Commercial Officer, to serve as the Company?s Chief Operating Officer, effective immediately. Mr. Townsend, 47, has served as the Company?s Chief Commercial Officer since November 2018. From March 2010 to October 2018 he served in a variety of leadership roles at Biogen, including as Senior Vice President of Corporate Development from March 2018 to October 2018, as Senior Vice President, Specialty Medicines and Rare Disease Group from April 2017 to March 2018, as Vice President, Asset Executive for Spinraza from May 2016 to April 2017, Vice President ?

Account Executive for Hemophilia from November 2015 to May 2016, and Vice President Global Marketing ? Head of Multiple Sclerosis from July 2013 to November 2015. Mr. Townsend received his medical biochemistry degree from Royal Holloway, University of London.