On 26 May 2017 the Rule Change Panel published a call for nominations to fill open discretionary member positions. The nomination period closed on 26 June 2017.
The Rule Change Panel made the following appointments on 24 July 2017 after assessment of the nominations received.
| Name | Class | Tenure |
|---|---|---|
| Simon Middleton | Market Customer | February 2019 |
| Geoff Gaston | Market Customer | February 2019 |
| Patrick Peake | Market Customer | February 2019 |
| Jacinda Papps | Market Generator | February 2019 |
| Wendy Ng | Market Generator | February 2019 |
| Shane Cremin | Market Generator | February 2019 |
| Andrew Stevens | Market Generator | February 2018 |
| Peter Huxtable | Contestable Customer | February 2019 |
