Exhibit 99.1 Adagene Announces Updates to its Board of Directors SAN DIEGO and SUZHOU, China, April 28, 2023 – Adagene Inc. (“Adagene”) (Nasdaq: ADAG), a platform-driven, clinical-stage biotechnology company transforming the discovery and development of novel antibody-based therapies today announced updates to its board of directors (the “Board”), including the following: ● Mervyn Turner, Ph.D., is appointed as a director. Dr. Turner accumulated over 25 years of experience at Merck Research Laboratories in ...