GenSight Biologics S.A.

Report Publication Announcement • Jan 18, 2021

GenSight Biologics Announces its 2021 Financial Calendar

Paris, France, January 18, 2021, 5.45 pm CET – 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 its financial calendar for 2021.

Information	Date*
2020 4Q Cash Position	January 19, 2021
2020 Full-Year Financial Update and Statements	March 10, 2021
2021 1Q Cash Position	April 20, 2021
Annual General Meeting	April 29, 2021
2021 First-Half Financial Update and Statements	July 29, 2021
2021 3Q Cash Position	October 19, 2021
2021 4Q Cash Position	January 18, 2022

* This financial calendar is provided for information only and may be subject to changes. The Company's updated financial calendar is available on its corporate website.

Contacts

GenSight Biologics

Chief Financial Officer Thomas Gidoin tgidoin@gensight-biologics.com +33 (0)1 76 21 72 20

LifeSci Advisors

Investor Relations Guillaume van Renterghem gvanrenterghem@lifesciadvisors.com +41 (0)76 735 01 31

RooneyPartners

Media Relations Marion Janic mjanic@rooneyco.com +1-646-537-5649

Orpheon Finance

Retail Investors James Palmer j.palmer@orpheonfinance.com +33 (0)7 60 92 77 74

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. 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. Developed as a treatment for Leber Hereditary Optic Neuropathy (LHON), GenSight Biologics' lead product candidate, LUMEVOQ® (GS010; lenadogene nolparvovec), is currently in the review phase of its registration process in Europe, and in Phase III to move forward to a BLA filing in the U.S.