FLEXSHARES STOXX US ESG SELECT INDEX FUND

The investment seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the STOXX® USA ESG Select KPIs IndexSM. The underlying index is designed to reflect the performance of a selection of companies that, in aggregate, possess greater exposure to ESG characteristics relative to the STOXX® USA 900 Index, a float-adjusted market-capitalization weighted index of U.S.- incorporated companies. 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.