The investment seeks to achieve long-term total return which matches the performance of the MSCI KLD 400 Social ex Fossil Fuels Index (the "underlying index"). The fund invests substantially all of its assets in the common stocks which make up the underlying index. The underlying index is comprised of the common stocks of the approximately 400 companies in the MSCI KLD 400 Social Index, minus the stocks of the companies that explore for, extract, produce, manufacture or refine coal, oil or gas or produce or transmit electricity derived from fossil fuels or transmit natural gas or have carbon reserves included in the KLD400 Index.