Apple sent an email to former MobileMe users to let them know they have extended their complementary storage upgrade through September 30, 2013. The complementary storage was a way to thank users for using the now extinct MobileMe and it was expected to end on Septermber 30 of this year.
Below is the email Apple is sending to these users.
When you moved your MobileMe account to iCloud, we provided you with a complimentary storage upgrade beyond the standard 5GB that comes with an iCloud account to help you with the transition. Originally, this storage upgrade was set to expire on September 30, 2012.As a thank you to our former MobileMe members, we will continue to provide you with this complimentary storage upgrade at no charge, for an additional year, until September 30, 2013. No action is required on your part. For complete details, please read this article.Thank you again for using iCloud,iCloud Team