Last trip there I was tempted to try out the private scene but every agency I contacted was so busy during the weekend I got zero replies.
Prices were roughly RM150 per hour incall. That's AU$50. Many non-locals employed, the so called "local Malays" in their listings are likely to be Indonesians.
Recently it's gone up a little.
https://www.honeyb2bmassage.com/penang-escort.html