Priorities USA, the pro-Obama Super PAC, has purchased airtime in six swing states to air in the next week, according to a media-buying source.
The existence of ad buy, which has not aired yet, was confirmed by a Priorities spokesperson, who would not offer any details on the content of the ad.
Priorities has been plagued by poor fundraising, failing to keep up with its better-funded Romney-backing rivals American Crossroads and Restore Our Future.
The last Priorities ad:
