PORTLAND, OR, May 21, 2010 (Canada NewsWire via COMTEX) — Naturally Advanced Technologies Inc. (OTCBB: NADVF; TSXV: NAT) (the “Company”) closed the non-brokered private placement, announced on May 18th, pursuant to which it has now issued from treasury 1,424,739 units (each a “Unit”) of the Company, at a subscription price of $1.00 per Unit, and for gross proceeds...