John Hancock Exchange-Traded Fund Trust - John Hancock Preferred Income ETF is an exchange traded fund launched and managed by John Hancock Investment Management LLC. The fund is co-managed by Manulife Investment Management (US) LLC. It invests in fixed income markets of the United States. The fund primarily invests in investment grade preferred securities and other fixed-income securities which include convertible preferred securities, corporate hybrid securities, Trust Preferred Securities, cumulative and non-cumulative preferred stock, and depositary shares of preferred stock, that are rated at least Baa3 by Moody’s or BBB– by S&P and Fitch. It invests in securities of companies that are deemed socially conscious in their business dealings and directly promote environmental responsibility. It seeks to benchmark the performance of its portfolio against ICE BofA U.S. All Capital Securities Index and the Bloomberg U.S. Aggregate Bond Index. John Hancock Exchange-Traded Fund Trust - John Hancock Preferred Income ETF was formed on December 14, 2021 and is domiciled in the United States.