Schwab Mortgage-Backed Securities ETF (Schwab Mortgage-Backed Securiti) ETF

The index is composed of investment-grade mortgage-backed securities issued and/or guaranteed by U.S. government agencies. It is the fund’s policy that under normal circumstances it will invest at least 90% of its net assets (including, for this purpose, any borrowings for investment purposes) in securities included in the index, including TBA transactions.