Common use of Principal Investment Strategy Clause in Contracts

Principal Investment Strategy. The portfolio invests substantially all of its assets in the iShares MSCI EAFE Minimum Volatility ETF. The underlying index has been developed by MSCI and measures the performance of international equity securities that in the aggregate have lower volatility. The underlying index includes stocks from Europe, Australasia, and the Far East. The iShares MSCI EAFE Minimum Volatility ETF uses a representative sampling strategy in seeking to track the underlying index. iShares MSCI Emerging Markets Minimum Volatility Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio seeks to track the investment results of an index composed of emerging market equities that, in the aggregate, have lower volatility characteristics relative to the broader emerging equity markets, the MSCI Emerging Markets Minimum Volatility Index (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares MSCI Emerging Markets Minimum Volatility ETF. The underlying index has been developed by MSCI and measures the performance of equity securities in global emerging markets that in the aggregate have lower volatility. The iShares MSCI Emerging Markets Minimum Volatility ETF uses a representative sampling strategy in seeking to track the underlying index. iShares MSCI ACWI ex US Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio seeks to track the investment results of an index composed of large- and mid-capitalization non-U.S. equities, the MSCI All Country World Index ex USA (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares MSCI ACWI ex U.S. ETF. It is a capitalization-weighted index that aims to capture 85% of the (publicly available) total market capitalization. Component companies are adjusted for available float and must meet objective criteria for inclusion to the index, taking into consideration unavailable strategic shareholdings and limitations to foreign ownership. The iShares MSCI ACWI ex. U.S. ETF uses a representative sampling strategy in seeking to track the underlying index. iShares Core U.S. Aggregate Bond Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio seeks to track the investment results of an index composed of the total U.S. investment-grade bond market, the Barclays U.S. Aggregate Index (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares Core U.S. Aggregate Bond ETF. The underlying index measures the performance of the total U.S. investment grade bond market, which includes investment grade U.S. government bonds, corporate bonds, mortgage-backed pass- through securities, commercial mortgage-backed securities and asset-backed securities that are publicly offered for sale in the United States. The iShares Core U.S. Aggregate Bond ETF uses a representative sampling strategy in seeking to track the underlying index. iShares TIPS Bond Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio seeks to track the investment results of an index composed of inflation-protected U.S. Treasury bonds, the Barclays U.S. Treasury Inflation Protected Securities (TIPS) Index (Series-L) (the portfolio’s underlying index).

Principal Investment Strategy. The portfolio invests substantially all of its assets in the iShares MSCI EAFE Minimum Volatility Xxxxxxx 2000 ETF. The underlying index has been developed by MSCI and measures the performance of international the small capitalization sector of the U.S. equity securities that in the aggregate have lower volatilitymarket. The underlying index includes stocks from Europe, Australasia, and approximately 8% of the Far Eastmarket capitalization of all publicly traded U.S. equity securities. The underlying index is a capitalization-weighted index of the approximately 2,000 smallest companies in the Xxxxxxx 3000 Index. The iShares MSCI EAFE Minimum Volatility Xxxxxxx 2000 ETF uses a representative sampling strategy in seeking to track the underlying index. Fixed Income U.S. Equities Int'l Equities Real Estate iShares Core High Dividend Portfolio Investment Objective The portfolio seeks to track the investment results of an index composed of relatively high dividend paying U.S. equities, the Morningstar Dividend Yield Focus Index (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares Core High Dividend ETF. The underlying index is designed to measure the performance of a select group of U.S. Equity securities issued high quality U.S.-domiciled companies that have had strong financial health and an ability to sustain above average dividend payouts. The underlying index is a subset of the Morningstar U.S. Market Index (a diversified broad market index that represents approximately 97% of the market capitalization of publicly-traded U.S. stocks). The underlying index is comprised of qualified income paying securities that are screened for superior company quality and financial health as determined by Morningstar, Inc.’s proprietary index methodology. Stocks in the underlying index represent the top 75 yielding stocks meeting the screening requirements. The iShares Core High Dividend ETF uses a representative sampling strategy in seeking to track the underlying index. iShares MSCI Emerging Markets Minimum Volatility Xxxxx & Steers REIT Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio to track investment results of an index composed of U.S. real estate investment trusts (REITs), the Xxxxx & Steers Realty Majors Index (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares Xxxxx & Steers REIT ETF. The underlying index consists of selected REITs. The objective of the underlying index is to represent relatively large and liquid REITs that may benefit from future consolidation and securitization of the U.S. real estate industry. Within the REIT market, securities chosen by committee are diversified across property sectors that attempt to represent the current market. The underlying index is weighted according to the total market value of each REIT’s outstanding shares and is adjusted quarterly so that no REIT represents more than 8% of the underlying index. The iShares Xxxxx & Xxxxxx ETF uses a representative sampling strategy in seeking to track the underlying index. Fixed Income U.S. Equities Int'l Equities Real Estate iShares MSCI EAFE Portfolio Investment Objective The portfolio seeks to track the investment results of an index composed of emerging large- and mid-capitalization developed market equities thatequities, in excluding the aggregate, have lower volatility characteristics relative to the broader emerging equity marketsU.S. and Canada, the MSCI Emerging Markets Minimum Volatility EAFE Index (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares MSCI Emerging Markets Minimum Volatility EAFE ETF. The underlying index has been developed by MSCI as an equity benchmark for international stock performance. The underlying index includes stocks from Europe, Australasia, and measures the performance of equity securities in global emerging markets that in the aggregate have lower volatilityFar East. The iShares MSCI Emerging Markets Minimum Volatility EAFE ETF uses a representative sampling strategy in seeking to track the underlying index. iShares MSCI ACWI ex US Emerging Markets Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio seeks to track the investment results of an index composed of large- and mid-capitalization non-U.S. emerging market equities, the MSCI All Country World Emerging Markets Index ex USA (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares MSCI ACWI ex U.S. Emerging Markets ETF. It The underlying index is a capitalization-weighted index that aims designed to capture 85% of measure equity market performance in the (publicly available) total market capitalization. Component companies are adjusted for available float and must meet objective criteria for inclusion to the index, taking into consideration unavailable strategic shareholdings and limitations to foreign ownershipglobal emerging markets. The iShares MSCI ACWI ex. U.S. Emerging Markets ETF uses a representative sampling strategy in seeking to track the underlying index. iShares Core U.S. Aggregate Bond MSCI EAFE Minimum Volatility Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective Objective: The portfolio seeks to track the investment results of an index composed of developed market equities that, in the total aggregate, have lower volatility characteristics relative to broader developed equity markets, excluding the U.S. investment-grade bond marketand Canada, the Barclays U.S. Aggregate MSCI EAFE Minimum Volatility (USD) Index (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares Core U.S. Aggregate Bond ETF. The underlying index measures the performance of the total U.S. investment grade bond market, which includes investment grade U.S. government bonds, corporate bonds, mortgage-backed pass- through securities, commercial mortgage-backed securities and asset-backed securities that are publicly offered for sale in the United States. The iShares Core U.S. Aggregate Bond ETF uses a representative sampling strategy in seeking to track the underlying index. iShares TIPS Bond Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio seeks to track the investment results of an index composed of inflation-protected U.S. Treasury bonds, the Barclays U.S. Treasury Inflation Protected Securities (TIPS) Index (Series-L) (the portfolio’s underlying index).

Principal Investment Strategy. The portfolio invests substantially all index, the Morningstar® Dividend Yield Focus IndexSM, offers exposure to high quality U.S.-domiciled companies that have had strong financial health and an ability to sustain above average dividend payouts. The underlying index constituents are drawn from the pool of stocks issued by U.S. based companies that trade publicly on the New York Stock Exchange, the NYSE Amex Equities, or The NASDAQ Stock Market. The index is a subset of the Morningstar® US Market IndexSM (a diversified broad market index that represents approximately 97% of the market capitalization of publicly- traded U.S. stocks). The index is comprised of qualified income paying securities that are screened for superior company quality and financial health as determined by Morningstar, Inc.’s proprietary index methodology. Stocks in the underlying index represent the top 75 yielding stocks meeting the screening requirements. The components of the Underlying Index are likely to change over time. The Fund generally will invest at least 80% of its assets in the iShares MSCI EAFE Minimum Volatility ETF. The underlying index has been developed component securities of the Underlying Index and in investments that have economic characteristics that are substantially identical to the component securities of its Underlying Index (i.e., depositary receipts representing securities of the Underlying Index) and may invest up to 20% of its assets in certain futures, options and swap contracts, cash and cash equivalents, including shares of money market funds advised by MSCI and measures the performance of international equity BFA or its affiliates, as well as in securities that not included in the aggregate have lower volatility. The underlying index includes stocks from EuropeUnderlying Index, Australasia, and but which BFA believes will help the Far East. The iShares MSCI EAFE Minimum Volatility ETF uses a representative sampling strategy in seeking to Fund track the underlying indexUnderlying Index. iShares MSCI Emerging Markets Minimum Volatility Portfolio Fixed Income Core U.S. Equities Int'l Equities Real Estate REIT ETF Investment Objective The portfolio iShares Core U.S. REIT ETF seeks to track the investment results of an index composed of emerging market equities that, in the aggregate, have lower volatility characteristics relative to the broader emerging equity markets, the MSCI Emerging Markets Minimum Volatility Index (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares MSCI Emerging Markets Minimum Volatility ETF. The underlying index has been developed by MSCI and measures the performance of equity securities in global emerging markets that in the aggregate have lower volatility. The iShares MSCI Emerging Markets Minimum Volatility ETF uses a representative sampling strategy in seeking to track the underlying index. iShares MSCI ACWI ex US Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio seeks to track the investment results of an index composed of large- and mid-capitalization non-U.S. real estate equities, the MSCI All Country World Index ex USA (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares MSCI ACWI ex U.S. ETF. It is a capitalization-weighted index that aims to capture 85% of the (publicly available) total market capitalization. Component companies are adjusted for available float and must meet objective criteria for inclusion to the index, taking into consideration unavailable strategic shareholdings and limitations to foreign ownership. The iShares MSCI ACWI ex. U.S. ETF uses a representative sampling strategy in seeking to track the underlying index. iShares Core U.S. Aggregate Bond Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio seeks to track the investment results of an index composed of the total U.S. investment-grade bond market, the Barclays U.S. Aggregate Index (the portfolio’s underlying index). Principal Investment Strategy The portfolio invests substantially all of its assets in the iShares Core U.S. Aggregate Bond ETF. The underlying index measures the performance of the total U.S. investment grade bond market, which includes investment grade U.S. government bonds, corporate bonds, mortgage-backed pass- through securities, commercial mortgage-backed securities and asset-backed securities that are publicly offered for sale in the United States. The iShares Core U.S. Aggregate Bond ETF uses a representative sampling strategy in seeking to track the underlying index. iShares TIPS Bond Portfolio Fixed Income U.S. Equities Int'l Equities Real Estate Investment Objective The portfolio seeks to track the investment results of an index composed of inflation-protected U.S. Treasury bonds, the Barclays U.S. Treasury Inflation Protected Securities (TIPS) Index (Series-L) (the portfolio’s underlying index).