FlexShares Credit-Scored US Long Corporate Bond Index Fund (LKOR) is subject corporate bond risk, which is the risk that the issuer is unable to meet principal and interest rate payments on the obligation and may also be subject to price volatility due to such factors as interest rate sensitivity, market perception of credit worthiness of and general market liquidity. When interest rates rise, the value of corporate debt can be expected to decline. The Fund may invest in derivative instruments. Changes in the value of the derivative may not correlate with the underlying asset, rate or index and the Fund could lose more than the principal amount invested. The Fund is also non-diversified meaning the Fund performance may depend on the performance of a small number of issuers because the Fund may invest a large percentage of assets in securities issued by or representing a small number of issuers.