Effective December 17, 2019, the Income Explorer Blended benchmark is comprised of 45% MSCI ACWI Value, 35% S&P Preferred Stock Index and 20% FTSE NAREIT All Equity REITs Index.  The MSCI ACWI Value captures large- and mid-cap securities exhibiting overall value style characteristics across 23 Developed Markets countries and 26 Emerging Markets countries. The value investment style characteristics for index construction are defined using three variables: book value to price, 12-month forward earnings to price and dividend yield.  The S&P Preferred Stock Index is comprised of U.S. exchange-traded preferred stocks that meet minimum price, liquidity, trading volume, maturity and other requirements determined by S&P Dow Jones Indices LLC, a subsidiary of S&P Global, Inc.  The FTSE NAREIT All Equity REITs Index is a free-float adjusted, market capitalization-weighted index of all tax-qualified U.S. equity REITs with more than 50% of total assets in qualifying real estate assets other than mortgages secured by real property.  Please note that indexes are not professionally managed and an investor cannot invest directly into an index.