Updated ASX Appendix 3B

12 July 2018 We refer to the 1 for 5.77 accelerated pro rata entitlement offer (Entitlement Offer) of Gentrack Group Limited (NZX/ASX: GTK) announced to NZX/ASX on 4 July 2018. Please find attached an updated Appendix 3B in relation to the new shares in GTK to be issued and quoted on NZX/ASX tomorrow under the institutional component of the Entitlement Offer. ENDS Contact: Jon Kershaw, Company Secretary +64 9 966 6090 About Gentrack Gentrack provides essential software for essential services, pairing powerful platforms with deep market knowledge to help utilities and airports lower service costs, foster innovation and confidently navigate market reform. It employs over 500 people in offices across New Zealand, Australia, the UK and Europe and services over 200 utility and airport sites in 30+ countries with its leading solutions for utilities - Gentrack Velocity, Junifer and Evolve Analytics, and for airports under the Veovo brand including Airport 20/20, BlipTrack and Concessionaire Analyzer+. Velocity, Junifer and Evolve Analytics are champion billing, customer and revenue protection solutions in the sector, providing a full range of proven capabilities along with hosted and managed services options for new entrant energy and water suppliers, and larger utilities in competitive markets where flexibility, uniqueness and compliance are essential. More information: www.gentrack.com Veovo combines Gentrack's Airport 20/20, BlipTrack and Concessionaire Analyzer+ software to unlock operational, revenue, concession and passenger insights across the airport ecosystem. The Veovo Predictive Collaboration Platform enables airports to operate more efficiently, uncover new growth opportunities and deliver outstanding guest experiences. More information: www.veovo.com End CA:00320784 For:GTK Type:SECISSUE Time:2018-07-12 16:36:16