TORONTO, ONTARIO — (Marketwire) — 12/18/12 — Mega Uranium Ltd. ("Mega") (TSX: MGA) and NexGen Energy Ltd. ("NexGen") are pleased to announce the closing today of NexGen-s purchase of Mega-s uranium projects located in the Athabasca Basin, Saskatchewan and the Thelon Basin, Nunavut (collectively the "Projects"). Mega received an aggregate of 21,876,265 common shares of NexGen as consideration for the sale of the Projects, representing approximately 39% of NexGen
