Franco-Nevada Corporation (Franco-Nevada), is a gold-focused royalty and stream company with additional interests in platinum group metals (PGMs), oil and gas and other resource assets. As of December 31, 2011, its portfolio included over 300 assets covering properties at various stages from production to early stage exploration. As of December 31, 2011, its portfolio also includes profit-based royalties and other forms of periodic future payments. The oil and gas assets are located primarily in the Western Canadian sedimentary basin. The oil and gas assets also include mineral rights to approximately 100,000 gross acres of unproved land in Canada primarily related to oil and natural gas rights, as well as working interests in Arctic gas resources. On December 1, 2011, the Company acquired Lumina Royalty Corp. (Lumina). On February 23, 2012, Franco-Nevada acquired an additional 1.15% working interest in the Weyburn Unit in southeast Saskatchewan.