The investment seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the Northern Trust International Quality Dividend Defensive IndexSM. The fund generally will invest under normal circumstances at least 80% of its total assets in the securities of the underlying index and in ADRs and GDRs based on the securities in its underlying index. The underlying index is designed to provide exposure to a high-quality, income-oriented portfolio of international equity securities issued by non-U.S.-based companies, with an emphasis on long-term capital growth and a targeted overall volatility.