FlexShares iBoxx 3 Year Target Duration TIPS Index Fund

ARCA

2011

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50 South LaSalle Street,Chicago,Illinois,United States

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60603

312 557 3356

The underlying index reflects the performance of a selection of inflation protected public obligations of the U.S. treasury, commonly known as "TIPS," with a targeted average modified adjusted duration, as defined by the S&P Dow Jones Indices LLC as the index provider, of approximately three years. Under normal circumstances, the fund will invest at least 80% of its total assets (exclusive of collateral held from securities lending) in the securities of the underlying index.