GenSight Biologics S A : Inside Information / News release on accounts, results

Press Release

GenSight Biologics Announces the Filing of its

2023 Universal Registration Document

Paris, France, April 17, 2023, 7:00 pm CEST - GenSight Biologics (Euronext: SIGHT, ISIN: FR0013183985, PEA-PME eligible), a biopharma company focused on developing and commercializing innovative gene therapies for retinal neurodegenerative diseases and central nervous system disorders, today announced the filing of its 2023 Universal Registration Document (URD) in English with the French market authority (Autorités des Marchés Financiers, or AMF) under the reference D.24-0299.

The universal registration document notably includes:

• the 2023 annual financial report;
• the management report;
• the report on corporate governance; and
• the description of the share buyback program.

This universal registration document may be consulted on the Company's website (www.gensight- biologics.com), "Investors" section, and on the AMF's website (www.amf-france.org).

Contacts

GenSight Biologics	LifeSci Advisors
Chief Financial Officer	Investor relations
Ivan Tortet	Guillaume van Renterghem
[e-mail]	[e-mail]
	[phone]

About GenSight Biologics

GenSight Biologics S.A. is a clinical-stage biopharma company focused on developing and commercializing innovative gene therapies for retinal neurodegenerative diseases and central nervous system disorders. GenSight Biologics' pipeline leverages two core technology platforms, the Mitochondrial Targeting Sequence (MTS) and optogenetics, to help preserve or restore vision in patients suffering from blinding retinal diseases. GenSight Biologics' lead product candidate, LUMEVOQ® (GS010; lenadogene nolparvovec), is an investigational compound and has not been registered in any country at this stage, developed for the treatment of Leber Hereditary Optic Neuropathy (LHON), a rare mitochondrial disease affecting primarily teens and young adults that leads to irreversible blindness. Using its gene therapy-based approach, GenSight Biologics' product candidates are designed to be administered in a single treatment to each eye by intravitreal injection to offer patients a sustainable functional visual recovery.