EXP Groups Pro – This component Automatically/Manually change the User Group, after the expiration of the term.
The component supports versions of Joomla CMS: 2.5, 3.x .
You can insert time for each group.
You can select which group to move the user after the expiry of time.
You can Enable/Disable sending Expiries Email.
EXP Groups Pro for Joomla 3.x
EXP Groups Pro for Joomla 2.5.x