The Gulf Coast Ultra Deep Royalty Trust ticker is "GULTU.PK". The royalty trust units began trading over-the-counter on June 4, 2013 and are quoted on the OTC Bulletin Board.

For unit holders that received Gulf Coast Ultra Deep Royalty Trust units as merger consideration, cost basis in the royalty trust is equal to the volume weighted average price (VWAP) of the royalty trust on June 4, 2013, which is $2.0477 per royalty unit.

The fair market value of MMR common stock at the consummation of the merger with Freeport-McMoRan Copper & Gold (FCX) is equal to $14.75 share for the cash portion plus the volume weighted average price (VWAP) of the royalty trust on June 4, 2013, which is $2.0477 per royalty unit.

Example: 100 shares of MMR
Cash received: (100 x $14.75) = $1,475
Royalty units received: (100 x 1.15 units) = 115 units of GULTU
Royalty Trust value: (115 x $2.0477) = $235.4855
TOTAL MMR value received: $1,710.4855
Compare this value to your basis in MMR common stock to determine your gain/loss