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Before investing, carefully consider fund investment objectives, risks, charges and expenses. For this and other information that should be read carefully, please request a prospectus or summary prospectus from your financial professional or Nuveen at 800.257.8787.

Important information on risk

Past performance is no guarantee of future results. Exchange-traded fund shares are subject to investment risk, including the possible loss of the entire principal amount that you invest, and there is no assurance that an investment will provide positive performance over any period of time. At any point in time, your common shares may be worth less than you paid, or the net asset value, even after considering the reinvestment of fund distributions. Certain products and services may not be available to all entities or persons. There is no guarantee that the Fund's investment objectives will be achieved.