Exhibit 99.1 Lanvin Group Holdings Limited Semi-Annual Report As of and for the six months ended June 30, 2023 TABLE OF CONTENTS Page CERTAIN DEFINED TERMS 2 INTRODUCTION 2 NOTE ON PRESENTATION 2 CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS 2 MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS 4 INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED) AT AND FOR THE SIX MONTHS ENDED JUNE 30, 2023 AND 2022 INTERIM CONDENSED CONSOLIDATED STATEMENTS OF PROFIT OR ...