ABIONYX Pharma

Earnings Release • May 16, 2024

ABIONYX Pharma provides an update on its activity and cash position for the 1 st quarter 2024

• Consolidated revenue of €1.4 million at the end of March 2024
• Cash position of €2.7 million as of March 31, 2024, before receipt of Research Tax Credit of €1.4 million

Toulouse, FRANCE, Lakeland, USA, May 16, 2024, 6:00 pm CEST - ABIONYX Pharma, (FR0012616852 - ABNX - eligible for PEA PME), a new generation biotech company dedicated to the discovery and development of innovative therapies based on the world's only natural recombinant apoA-I, today provides an update on its activity and cash position as of March 31, 2024.

€m	Q1 2024	Q1 2023
Revenue from biotech activity	0.00	0.00
Revenue from IRIS Pharma	1.40	1.09
Total revenue	1.40	1.09
Other revenue	0.00	0.00
Total revenue income and revenue	1.40	1.09
Cash and cash equivalents at the end of the period	2.70	2.90

Selected financial information (IFRS)

ABIONYX Pharma recorded consolidated revenue of €1.4 million for the first quarter of 2024, representing an organic growth of +18% compared with Q1 2023. This growth is purely organic, as the Group did not order any studies from IRIS Pharma during the quarter. Regarding the biotech activities dedicated to the discovery and development of innovative therapies to improve the lives of patients, the Company did not generate any revenue in this financial year, ABIONYX Pharma continuing to provide its bioproduct free of charge as part of the Compassionate Access Authorization (CAA) requests.

As of March 31, 2024, the Company had cash and cash equivalents of nearly €2.7 million, before the estimated €1.4 million Research Tax Credit.

Following the arrival of Dr Rob Scott as CMO and Head of R&D in January, the Company is also focusing on the search for strategic partnerships.

At last, the Company continues to receive new Compassionate Access Authorisation (CAA) requests for bio-HDL (CER-001) from several hospitals around the world.

Next financial release:

- Cash position and activity update for Q2 2024, on August 22, 2024

About ABIONYX Pharma

ABIONYX Pharma is a next-generation biotech company focused on developing innovative medicinesin diseases where there is no effective or existing treatment, even the rarest ones. The company expedites the development of novel therapeutics through an extensive expertise in lipid science and a differentiated apoA-I -based technology platform. ABIONYX Pharma is committed to radically improving treatment outcomes in sepsis and critical care.

Contacts:

NewCap Investor relations Nicolas Fossiez Louis-Victor Delouvrier abionyx@newcap.eu +33 (0)1 44 71 98 53

NewCap Media relations Arthur Rouillé abionyx@newcap.eu +33 (0)1 44 71 00 15