What is new in Ubuntu 16.04 (Xenial Xerus) Desktop/Server
Ubuntu 16.04 LTS will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, Ubuntu Core, and Ubuntu Kylin. All other flavours will be supported for 3 years.
Ubuntu Linux Tutorials,Howtos,Tips & News | Lunar Lobster , Mantic Minotaur
Ubuntu 16.04 LTS will be supported for 5 years for Ubuntu Desktop, Ubuntu Server, Ubuntu Core, and Ubuntu Kylin. All other flavours will be supported for 3 years.