About UBS ETRACS S&P GSCI Crude Oil Total Return Index ETN

The investment seeks to provide exposure to potential price appreciation in the S&P GSCI Crude Oil Total Return Index (the “index”). The index is a sub-index of the S&P GSCI commodity index (“S&P GSCI”) and measures the returns from the West Texas Intermediate crude oil futures contract traded on the New York Mercantile Exchange.