Introduced in 2003, S&P 1000 is a broad market portfolio representing the mid cap and small cap segments of the U.S. equity market. This index was calculated internally for two years prior. Occasionally referred to as the smid-cap index, this combination addresses the needs of investors who want to allocate assets between large capitalization stocks and the rest of the investable market. S&P MidCap 400 makes up approximately 70% of this index and S&P SmallCap 600 makes up the remaining 30%. S&P 1000 is one of the composite index series created with core indices as building blocks to develop tailored portfolio strategies.

Index constituents exhibit the following characteristics:

• Underlying Indices – S&P MidCap 400 and S&P SmallCap 600
• Weighting – Market capitalization
• Public Float – At least 50%
• Reconstitution – As needed basis

Index Governance and Policy
This index is maintained by the S&P Index Committee, whose members include Standard & Poor's economists and index analysts. It follows a set of published guidelines and policies that provide the transparent methodologies used to maintain the index.

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