According to the Troll(where lex play) website he have formed a new band:

Lex has teamed up with Shagrath, and a few more musicians to form "CHROME DIVISION". A new rock/metal project. Similar in style to bands like Monster Magnet, Spiritual Beggars etc. They will release a MCD this spring along with a video.

Lex - Drums
Shagrath - Guitar (from "Dimmu Borgir")
Luna - Bassguitar (from "Ashes to Ashes")
Jarle - Vocals (from "Span")

http://www.trollmusic.tk/

Band profile:

Chrome Division