AMSTERDAM, THE NETHERLANDS and TORONTO, ONTARIO — (Marketwire) — 12/21/12 — Nord Gold N.V. (LSE: NORD) ("Nordgold") and High River Gold Mines Ltd. ("High River") (TSX: HRG) are pleased to announce that they have entered into an arrangement agreement setting out their intention to complete a statutory plan of arrangement under the Business Corporations Act (Yukon) that will allow Nordgold to acquire all of the common shares of High River not already owned by Nordgold.Nord