Notification in Katalysen following shareholder updates

Following on-market transactions, Katalysen Ventures AB (publ) ("Katalysen") has become aware of the following changes to its shareholder structure.

Hans Fajerson's combined ownership in Katalysen has changed from 1'592’374 (19.77%) to 1'661'954 (20.64%). The number of Hans Fajerson's combined votes held in Katalysen has changed from 1'592’374 (19.77%) to 1'661'954 (20.64%).