Optus over a 2 year period are going to close their Virgin Mobile business. This will lead to store closures and job losses.
To read more about it go to:
https://thenewdaily.com.au/money/your-budget/2018/05/24/virgin-mobile-closes-down/
If you are a Virgin Mobile plan user you might want to check out your options to ensure a smooth transition from them to a new provider.