Form 605 & 603 – Wilson Asset Management Group

18 December 2025

Please see attached:

The attached is in relation to substantial holding of Wilson Asset Management Group in Gentrack Group Limited (“GTK”).

ENDS

Contact details regarding this announcement:

Anna Ellis – Company Secretary
+64 9 966 6090

About Gentrack

We are entering a new era, with utilities worldwide transforming to meet business and sustainability targets. For over 35 years Gentrack has been partnering with the world’s leading utilities, and more than 60 energy and water companies rely on us
Gentrack, with our partners Salesforce and AWS, are leading today’s transformation with g2, an end-to-end product-to-profit solution. Using low code / no code, and composable technology, g2 allows utilities to launch new propositions in days, reduce cost-to-serve and lead in total experience.
https://www.gentrack.com

Explore our portfolio

Leading utilities looking to transform their business need technologies and partners they can trust

View our open roles

We are one team and we play to win