Indonesian Justice Minister Amir Syamsuddin said Corby wasn't shown any special treatment, the Sydney Morning Herald reported Friday.
"We are not seeking popularity, we just follow the rules, we uphold the law. Parole is not a gift from the state, it's a process a convict can apply as long as he or she meets the conditions," he said.
It was not clear when exactly Corby will be released from prison but once she is she must reside in Bali until 2017, CNN reported.
Corby, 36, was convicted of smuggling drungs in 2005.
Authorities said she had 9 pounds of marijuana in a bag at Bali's Denpasar International Airport.
Corby and her family maintained her innocence, saying airport employees set her up.