PRESS RELEASE HYBRID SOFTWARE GROUP PLC: NOTICE OF EXTRAORDINARY GENERAL MEETING AND APPOINTMENT OF NEW AUDITOR Cambridge (UK) 27 September 2023: Hybrid Software Group PLC today announces it has completed a competitive tender process for its group audit, overseen by the Audit Committee, which has carefully evaluated the offering of each applicant. This has resulted in a recommendation from the Audit Committee, which has now been endorsed by the Board, that a resolution be put to shareholders for