4DMedical Limited advises that Ms. Lusia Guthrie has resigned as Non-Executive Director of the Company, effective as of the conclusion of 4DMedical's 2021 Annual General Meeting, held October 28, 2021. Ms. Guthrie continues to be engaged with the 4DMedical group of companies through her important role as Non-Executive Director and Chair of the Company's wholly owned subsidiary, Australian Lung Health Initiative Pty Ltd, which is seeking to deliver the world's first dedicated lung scanner integrated with XV TechnologyTM.