According to the Toronto Stock Exchange, all trades on Wednesday, May 23, 2012, in the securities of Horizons Enhanced Income U.S. Equity (USD) ETF that trade in U.S. dollars will be for special settlement on Tuesday, May 29, 2012. T-plus-four special settlement rules are being imposed for these securities to accommodate the U.S. banking holiday on Monday, May 28, 2012. Trading in the corresponding securities that trade in Canadian dollars (if applicable) will not be affected by these special settlement rules.