Hi ​@Sjleecoq we’ve checked the charges you mentioned and as they are accidental roaming we have added a credit to your account, you can check it out in your self serve. 

To avoid future charges please make your data roaming is off and you are manually connecting to the Koodo network.

For more information on how to prevent accidental roaming charges, please check out this article https://community.koodomobile.com/plans-services-232910/easy-roam-understanding-how-you-will-be-charged-while-traveling-7811296