DL Migration from 2007 to 2013

Guys,

We need to migrate 150 DL's from 2007 to 2013.

2007 DL's are in .companyname<department> format and in 2013 special characters are not supported

We would like to change the format to DL-companyname....

Is there is script to copy the existing list of DL's including permissions in 2007, recreate new one's in the new format and add the permissions in 2013?

Thanks

D