The investment seeks to provide investment results that, before fees and expenses, correspond to the total return performance of the Lattice Risk-Optimized Developed Markets (ex-US) Strategy Index (LRODMX). The fund generally invests at least 80 percent of its assets in securities of the index and in depositary receipts representing securities of the index. The index is designed to address risks and opportunities within developed international economies outside the U.S. by selecting equity securities of companies domiciled within developed international equity markets exhibiting a favorable combination of factor characteristics.