Capital Raising Overview

• • Group Priorities CY22 Stabilising the core business to reset platform for future growth Group "Reset" Required But Strong Base Remains Core business was set for growth with divestment of HVAC Build, entry into the wireless market and successful tendering of major annuity style contracts in the portfolio However, recent events have had a significant detrimental impact on the Group as previously communicated: • COVID-19 lockdowns (particularly in late 2021) • . Class Action - legal costs, commercial downsides, settlement costs Weather events - recent storms have impacted project delivery in QLD and NSW where the Group has a number of key projects underway Capital raise combined with program to streamline Group cost base to suit new market dynamics will "reset" company to grow as markets recover to pre COVID-19 levels Reset includes a management transition, with Tim Harris having resigned and stepping down on 29 April once capital raise process completed. Arno Becker (current CFO) will act as Interim CEO whilst the Board undertakes a search for a permanent replacement • CUI Organic Growth Leverage strong existing customer base (nbn, Telstra/Kordia, TPG Vodaphone, Vocus) – significant near term opportunities Expand further into growing smart meter market • Wireless - expand on Catalyst ONE acquisition and initial contract wins • Leverage nbn Unify Services contract targeting additional scope from significant nbn/government investment programs • • APS Organic Growth Strong base of core contracts positions group well to benefit as discretionary work returns to tertiary education & retail sectors Expand further into growing data centre and defence markets Recent investment in technology (Salesforce and Power BI) being leveraged to drive increased win rates & margins Differentiate and grow through Building Management Systems ("BMS") capability and Data Driven Asset Management 6

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