BGI manages the bulk of the domestic equity assets in a passive commingled trust designed to correspond to the Dow Jones Wilshire 5000 Index. Other BGI passive commingled funds include a Russell 3000 Index Fund, a Russell 2000 Index Fund, and an S&P 500 Index Fund. BGI has managed funds for the WSIB since 1982.

BGI also provides the WSIB with an enhanced index equity commingled fund, the Russell 3000 Alpha Tilts Strategy. This strategy is a bottom-up, style-neutral quantitative strategy designed to outperform the Russell 3000 Index by 30-80 basis points net of fees on a rolling three year average, while incurring a low level of risk of 1 percent or less. BGI's Alpha Tilts investment philosophy holds that superior investment outcomes are most reliably reached through Total Performance Management, the management of return, risk, and cost. They believe that markets are not perfectly efficient and that misevaluations can be used to systematically add value over time. The WSIB has invested in the Russell 3000 Alpha Tilts Strategy since December 2005.

Other BGI passive commingled funds include a Russell 3000 Index Fund, a Russell 2000 Index Fund, and an S&P 500 Index Fund, which are options in the defined contribution portion of the Plan 3 retirement program.

Offered since January 2006 as an option in the Deferred Compensation Program (DCP) and the Judicial Retirement Account (JRA), BGI provides the Active U.S. Core Stock Fund, which invests in a diversified portfolio of large and medium-sized US companies and seeks to deliver higher performance than its benchmark, the S&P 500 Index, within defined risk and return parameters. The fund manager uses a systematic investment process that selects stocks by examining a number of investment criteria, including value-related fundamentals, earnings quality and management and market sentiment.

BGI also manages a Structured Solutions Asset Trust designed to facilitate opportunities for investors to participate in an investment strategy that earns a premium above a negotiated index.

Fidelity Management and Research Company FMR Co. actively manages a U.S. large capitalization mutual fund, the Fidelity Growth Company Fund, as one of the options for the DCP and JRA. The DCP has invested in Fidelity's mutual funds since 1983. The JRA has invested in Fidelity’s mutual funds since 1989.

LSV manages the Active U.S. Value Stock Fund for the DCP and JRA programs. The mutual fund is actively managed and employs a strictly quantitative investment model to choose out-of-favor (undervalued) stocks in the marketplace at the time of purchase which has potential for near-term appreciation. LSV believes that these out-of-favor securities will produce superior returns if their future growth exceeds the market's low expectations. A risk control discipline limits the over- or under-exposure of the portfolio to industry concentrations. Value factors and security selection dominate sector/industry factors as attributors to performance.

SSgA manages a U.S. enhanced index equity account, the Russell 3000 Index Plus Strategy for the defined benefit retirement program. This strategy employs a quantitative, style neutral, beta neutral and capitalization neutral investment process that seeks to outperform the Russell 3000 Index by 75 to 125 basis points gross of fees over a typical market cycle while exhibiting similar characteristics to the benchmark and a targeted tracking error of 150 basis points. The Russell 3000 Index Plus Strategy seeks to add value by selecting the best stocks and industries within the Russell 3000 Index. These evaluations are applied within a risk controlled framework to construct portfolios that provide core equity exposure and closely track the benchmark. The WSIB has invested in the Russell 3000 Index Plus Strategy since December 2005.

Walden Asset Management manages the Socially Responsible Balanced Fund available in the DCP, the JRA, PERS Plan 3, SERS Plan 3, and TRS Plan 3. All holdings pass a broadly defined set of social screens. The portfolio also promotes corporate change through advocacy. Walden Asset Management has been a WSIB manager since July 2003.

WAMCO actively manages an enhanced index portfolio for the WSIB's defined benefit retirement program. The portfolio is based on a synthetic strategy that uses futures to track the S&P 500 index, and invests the uncommitted cash in a basket of actively managed short-term fixed-income securities. The firm's sole business is managing fixed-income portfolios for large institutional clients, an activity it has pursued for over 30 years. The WSIB portfolio has been managed by Western Asset since January 2006.

Arrowstreet Capital actively manages an international developed markets equity "core" portfolio. The investment team continually monitors the current market factors and conditions and incorporates new investment insights and information as the markets evolve. The portfolio has been managed by Arrowstreet Capital, L.P. since June 2004.

BGI provides an international developed markets enhanced index equity product, the World ex-U.S. Alpha Tilts Strategy, designed to outperform the MSCI World ex-U.S. index by 1 to 2 percent. Because the markets are not perfectly efficient, misevaluations are used to systematically add value over time. The WSIB has invested in the World ex-U.S. Alpha Tilts Strategy since June 2004.

Capital Guardian Trust Company actively manages an international developed markets equity “core” portfolio. The firm conducts extensive fundamental research and uses a system of multiple managers to administer individual asset portions. Each manager is free to make decisions as to individual security, country and industry selection, timing, and percentage to be invested for their segment of the portfolio. Capital has managed the portfolio since June 2004.

GSAM manages an international developed markets enhanced index equity portfolio, using a combination of traditional fundamental analysis and quantitative modeling to add value from diversified sources of return such as country, currency selection, and individual stock selections. GSAM has managed the portfolio since June 2004.

JBIM actively manages an international developed markets equity "growth" portfolio. The international equity team’s research process is primarily based on fundamental assessment of companies, sectors, and macroeconomic influences on regions and countries. Country allocations are a result of the security selection process. JBIM has managed the portfolio since June 2004.

LSV actively manages an international developed markets equity "value" portfolio. The strategy’s primary emphasis uses quantitative techniques to select individual securities. A risk-control discipline limits over- or under-exposure to industry concentrations. Value factors and security selection dominate sector/industry factors in driving performance. LSV has managed the portfolio since August 2004.

Mondrian Investment Partners, LTD. (formerly Delaware International) actively manages an international developed markets equity "value" portfolio. Mondrian identifies value investments using a dividend discount valuation model of future income streams with a top-down country allocation overlay that helps structure the portfolios. The portfolio has been managed by Mondrian since June 1999.

Pyramis actively manages an international developed markets equity "core" portfolio. The firm covers 80-90 percent of the MSCI EAFE + Canada benchmark and does not pre-screen for size, style, or other characteristics. The WSIB portfolio has been managed by PGATC since June 2004.

SSgA passively manages the international equity index funds employed in the CTF, GET, L&I programs and is one of the defined contribution options in the TRS Plan 3, SERS Plan 3 and PERS Plan 3. SSgA has managed assets for the WSIB since January 1994.

In addition, SSgA actively manages the International Stock Fund for the DCP and JRA. The International Stock Fund seeks to exceed the performance of the MSCI EAFE Index. The strategy selects stocks that capitalize on global market inefficiencies within a risk-controlled, disciplined investment process. The portfolio is well diversified while retaining country and sector weights similar to that of the benchmark. SSgA has been managing this fund since April 2005.

WB actively manages an international developed markets equity "growth" portfolio, which focuses on companies with above-average growth prospects that can be sustained through leading or franchise positions in terms of proprietary products, marketing dominance, or cost/asset base advantage. WB has managed the portfolio since June 2004.

Capital International, Inc. manages an active emerging markets equity portfolio, which is divided into smaller asset portions. This enables several key decision makers to work on each account and make decisions as to individual security and country; industry selection, timing, and percentage. Capital has managed the portfolio since the middle of the second quarter of 2001.

GMO manages an active emerging markets portfolio. Top-down country allocation is based on market valuations, macroeconomic fundamentals, relative performance, stock valuation, and subjective judgment. The stock selection process is customized for each country and incorporates three factors: value, neglect, and momentum. GMO has managed the portfolio since the fourth quarter of 1996.

GMO is an active illiquid emerging markets portfolio with an objective of long-term capital appreciation. The fund will invest primarily in equity and equity-related instruments of listed and unlisted companies with an emphasis on the country/sector combination. GMO began managing the emerging illiquid fund in March 2007.

JPMAM Global Emerging Markets Focused strategy is a concentrated, bottom-up investment discipline that seeks to add alpha through superior stock selection based on fundamental research. The strategy typically holds between 50 and 75 securities. Investments are made with a long-term, low-turnover focus. Deviations from the benchmark are closely monitored and managed as JPMAM believes that risk control is best practiced by building a portfolio of independent bets, to insure that no one position can derail performance and that there are no unintended "themes" in the portfolio. JPMAM began managing assets for the WSIB in April 2006.

Lazard Emerging Markets Equity product is an actively managed strategy that follows a strict bottom-up, relative value investment philosophy that focuses on the tradeoff between valuation and financial productivity. The process begins with a database screening, followed by accounting validation, then fundamental analysis and finally portfolio construction and risk control, which takes into account macro economic risks, portfolio concentration risk, political risk and corporate governance risk. Strict country and sector limits are also in place to limit exposures. The strategy is focused on security selection, where the majority of the added value has been derived from historically. Lazard began managing assets for the WSIB in April 2006.

Pictet employs a bottom-up method to invest in emerging markets. Pictet defines value principally in terms of productive assets. The majority of Pictet's time and resources are focused on identifying and appraising undervalued shares according to our proprietary valuation approach. All research and recommendations are conducted in-house based on the same valuation principles. As a control mechanism, Pictet operates a strict macroeconomic risk overlay in the investment process. The final portfolio consists of around 150-200 stocks. Pictet began managing assets for the WSIB in April 2006.