State Street Institutional Small-Cap Equity Fund Service Class

The fund seeks to achieve its investment objective by investing at least 80% of its net assets (plus any borrowings for investment purposes) under normal circumstances in equity securities of small-cap companies, such as common and preferred stocks. It defines a small-cap company as one with a market capitalization that, at the time of initial investment, falls between (a) the market capitalization of the smallest company in the Russell 2000® Index and (b) either the larger of the market capitalization of the largest company in the Russell 2000® Index or $3.0 billion.