X0206 3 2022-12-19 0 0001929589 MariaDB plc MRDB 0001958016 Ingels Jurgen G. A. 699 VETERANS BLVD REDWOOD CITY CA 94063 1 Ordinary Shares 2145434.0000 I By Smartfin Capital II CommV Ordinary Shares 3733341.0000 I By SmartFin Capital NV (private privak) The securities reported represent securities held by the reporting person immediately following the closing of the transactions contemplated by the Business Combination Agreement dated January 31, 2022, by and among MariaDB Corporation Ab, Angel Pond Holdings Corporation, Mangomill plc and Meridian MergerSub Inc., in connection with which Mangomill plc changed its name to MariaDB plc. As the founder and managing partner of Smartfin Capital II CommV ("Smartfin CommV"), the reporting person may be deemed to share beneficial ownership of the Ordinary Shares held by Smartfin CommV. The reporting person disclaims any beneficial ownership of any Ordinary Shares held by Smartfin CommV except to the extent of his ultimate pecuniary interest. As the founder and managing partner of SmartFin Capital NV (private privak) ("SmartFin"), the reporting person may be deemed to share beneficial ownership of the Ordinary Shares held by SmartFin. The reporting person disclaims any beneficial ownership of any Ordinary Shares held by SmartFin except to the extent of his ultimate pecuniary interest. Power of Attorney provided herewith. /s/ Roya Shakoori, Attorney-in-Fact 2022-12-19