State Street SPDR Portfolio Aggregate Bond 

The State Street SPDR Portfolio Aggregate Bond ETF seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the Bloomberg U.S. Aggregate Bond Index (the "Index")One of the low cost core State Street SPDR Portfolio ETFs, a suite of portfolio building blocks designed to provide broad, diversified exposure to core asset classesA low cost ETF that seeks to offer comprehensive exposure to US dollar denominated investment grade bonds including government bonds, corporate bonds, mortgage pass-through securities, commercial mortgage backed securities and asset backed securitiesIndex is market cap weighted and reconstituted on the last business day of the month