Investor Presentaiton

H1 2023 - ADACEL KEY FIGURES REVENUE GROSS MARGIN EBITDA ADACEL $14.1 million $5.0 million 35.4% of revenues $2.0 million PROFIT BEFORE TAXES (PBT) $1.0 million 6.8% of revenues DIVIDEND TWO OPERATING SEGMENTS (breakdown of sales by operating segment) DIVERSIFIED GEOGRAPHICAL PRESENCE (breakdown of sales by geographic region) AUD 1.50 cents per share NORTH AMERICA 70% NET CASH ($44 thousand) EUROPE 16% ADACEL 33% 0 67% Services ■Systems CARIBBEAN 11% AFRICA ASIA- PACIFIC 1% 2% ISO 9001:2015 Certified | Appraised at CMMI Level 3 Capability | adacel.com | 20 February 2023 | 5

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