The Invesco MSCI Sustainable Future ETF (Fund) is based on the MSCI Global Environment Select Index (Index). The Fund will generally invest at least 90% of its total assets in securities that comprise the Index. The Index is comprised of companies that focus on offering products or services that contribute to a more environmentally sustainable economy by making a more efficient use of global resources. The Index is designed to maximize exposure to six Environmental Impact Themes: alternative energy, energy efficiency, green building, sustainable water, pollution prevention and control, and sustainable agriculture. The Fund and the Index are rebalanced quarterly.