On 30 November 2017, the Rule Change Panel published a call for nominations to fill upcoming expiring discretionary member positions. The nomination period closed on 29 December 2017.
The Rule Change Panel made the following appointments on 22 February 2018 after assessment of the qualifying nominations:
| Name | Class | Tenure |
|---|---|---|
| Steve Gould | Market Customer | February 2020 |
| Andrew Stevens | Market Generator | February 2020 |
