Aggregated presentation by day and by marketStatement of transactions in own shares from September 15th to September 19th 2025 Name of the issueIdentity code of the issuer (Legal Entity Identifier) Day of the transactionIdentity code of the financial instrument Total daily volume (in number of shares)Daily weighted average purchase price of the sharesMarket (MIC Code) IPSEN549300M6SGDPB4Z94P1115/09/2025FR0010259150300118,40AQEUIPSEN549300M6SGDPB4Z94P1115/09/2025FR0010259150600118,40CCXEIPSEN549300M6SGDPB4Z94P1115/09/2025FR0010259150300118,40TQEXIPSEN549300M6SGDPB4Z94P1115/09/2025FR00102591503400119,279XPARIPSEN549300M6SGDPB4Z94P1116/09/2025FR0010259150300117,10AQEUIPSEN549300M6SGDPB4Z94P1116/09/2025FR0010259150600117,30CCXEIPSEN549300M6SGDPB4Z94P1116/09/2025FR0010259150300117,20TQEXIPSEN549300M6SGDPB4Z94P1116/09/2025FR00102591503226117,19544XPARIPSEN549300M6SGDPB4Z94P1117/09/2025FR0010259150300115,70AQEUIPSEN549300M6SGDPB4Z94P1117/09/2025FR0010259150600115,90CCXEIPSEN549300M6SGDPB4Z94P1117/09/2025FR0010259150300115,63333TQEXIPSEN549300M6SGDPB4Z94P1117/09/2025FR00102591503299115,75171XPARIPSEN549300M6SGDPB4Z94P1118/09/2025FR0010259150192114,46875AQEUIPSEN549300M6SGDPB4Z94P1118/09/2025FR0010259150600114,80CCXEIPSEN549300M6SGDPB4Z94P1118/09/2025FR0010259150300114,00TQEXIPSEN549300M6SGDPB4Z94P1118/09/2025FR00102591503239115,16554XPARIPSEN549300M6SGDPB4Z94P1119/09/2025FR0010259150300115,30AQEUIPSEN549300M6SGDPB4Z94P1119/09/2025FR0010259150600115,60CCXEIPSEN549300M6SGDPB4Z94P1119/09/2025FR0010259150300115,30TQEXIPSEN549300M6SGDPB4Z94P1119/09/2025FR00102591503400114,85218XPAR 22456116,41844
Attachment
EN_IPSEN – Buy-back programme – Art 5 of MAR – Week 38_2025