The Exex was the ruling class on Bespin's Cloud City. It was comprised mostly of business leaders who maintained their headquarters on Cloud City. They were offset by the Baron Administrator and the Parliament of Guilds.
- Galaxy Guide 2: Yavin and Bespin
- Galaxy Guide 2: Yavin and Bespin, Second Edition
- The Illustrated Star Wars Universe
- The Essential Chronology
- The Complete Star Wars Encyclopedia