First Trust Advisors L.P. ("FTA") announces the declaration of the Monthly distribution for First Trust Enhanced Short Maturity ETF, a series of First Trust Exchange-Traded Fund IV.

The following dates apply to today's distribution declaration:

First Trust Advisors L.P. ("FTA") is a federally registered investment advisor and serves as the Fund's investment advisor. FTA and its affiliate First Trust Portfolios L.P. ("FTP"), a FINRA registered broker-dealer, are privately-held companies that provide a variety of investment services. FTA has collective assets under management or supervision of approximately $194 billion as of April 30, 2021 through unit investment trusts, exchange-traded funds, closed-end funds, mutual funds and separate managed accounts. FTA is the supervisor of the First Trust unit investment trusts, while FTP is the sponsor. FTP is also a distributor of mutual fund shares and exchange-traded fund creation units. FTA and FTP are based in Wheaton, Illinois.

You should consider the investment objectives, risks, charges and expenses of the Fund before investing. The prospectus for the Fund contains this and other important information and is available free of charge by calling toll-free at 1-800-621-1675 or visiting www.ftportfolios.com. The prospectus should be read carefully before investing.

Past performance is no assurance of future results. Investment return and market value of an investment in the Fund will fluctuate. Shares, when sold, may be worth more or less than their original cost.

Principal Risk Factors: The Fund's shares will change in value, and you could lose money by investing in the Fund. An investment in the Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other governmental agency. There can be no assurance that the Fund's investment objectives will be achieved. An investment in the Fund involves risks similar to those of investing in any portfolio of securities traded on exchanges. The risks of investing in the Fund are spelled out in its prospectus, shareholder report, and other regulatory filings.

Securities held by a fund, as well as shares of a fund itself, are subject to market fluctuations caused by factors such as general economic conditions, political events, regulatory or market developments, changes in interest rates and perceived trends in securities prices. Shares of a fund could decline in value or underperform other investments as a result of the risk of loss associated with these market fluctuations. In addition, local, regional or global events such as war, acts of terrorism, spread of infectious diseases or other public health issues, recessions, or other events could have a significant negative impact on a fund and its investments. Such events may affect certain geographic regions, countries, sectors and industries more significantly than others. The outbreak of the respiratory disease designated as COVID-19 in December 2019 has caused significant volatility and declines in global financial markets, which have caused losses for investors. The impact of this COVID-19 pandemic may last for an extended period of time and will continue to impact the economy for the foreseeable future.

Investors buying or selling Fund shares on the secondary market may incur customary brokerage commissions. Investors who sell Fund shares may receive less than the share's net asset value. Shares may be sold throughout the day on the exchange through any brokerage account. However, unlike mutual funds, shares may only be redeemed directly from the Fund by authorized participants, in very large creation/redemption units. If the Fund's authorized participants are unable to proceed with creation/redemption orders and no other authorized participant is able to step forward to create or redeem, Fund shares may trade at a discount to the Fund's net asset value and possibly face delisting.

The risk of investing in mortgage-related and other asset-based securities include interest rate risk, extension risk and prepayment risk. Generally, rising interest rates tend to extend the duration of fixed rate mortgage-related securities, making them more sensitive to changes in interest rates. Extension risk is prevalent when in a period of rising interest rates, the fund holds mortgage-related securities and such securities exhibit additional volatility. Prepayments can reduce the returns of the fund because the fund may have to reinvest that money at the lower prevailing interest rates. The fund's investments in asset-backed securities are subject to risks similar to those associated with mortgage-related securities, as well as additional risks associated with the nature of the assets and the servicing of those assets. Investments in asset-backed or mortgage-backed securities offered by non-governmental issuers, such as commercial banks, savings and loans, private mortgage insurance companies, mortgage bankers and other secondary market issuers are subject to additional risks.

One of the principal risks of investing in a Fund is market risk. Market risk is the risk that a particular security owned by the Fund, Fund shares or securities in general may fall in value.

An actively managed ETF is subject to management risk because it is an actively managed portfolio. In managing such a Fund's investment portfolio, the portfolio managers, management team, or advisor, will apply investment techniques and risk analyses that may not have the desired result.

An investment in a Fund containing securities of non-U.S. issuers is subject to additional risks, including currency fluctuations, political risks, withholding, the lack of adequate financial information, and exchange control restrictions impacting non-U.S. issuers.

The Fund is subject to credit risk, call risk, income risk, interest rate risk and prepayment risk. Credit risk is the risk that an issuer of a security will be unable or unwilling to make dividend, interest and/or principal payments when due and that the value of a security may decline as a result. Credit risk is heightened for floating-rate loans and high-yield securities. Call risk is the risk that if an issuer calls higher-yielding debt instruments held by the Fund, performance could be adversely impacted. Income risk is the risk that income from a Fund's fixed-income investments could decline during periods of falling interest rates. Interest rate risk is the risk that the value of the fixed-income securities in the Fund will decline because of rising market interest rates. Prepayment risk is the risk that during periods of falling interest rates, an issuer may exercise its right to pay principal on an obligation earlier than expected. This may result in a decline in the Fund's income.

Senior floating-rate loans are usually rated below investment grade but may also be unrated. As a result, the risks associated with these loans are similar to the risks of high-yield fixed income instruments. High-yield securities, or "junk" bonds, are subject to greater market fluctuations and risk of loss than securities with higher ratings, and therefore, may be highly speculative. These securities are issued by companies that may have limited operating history, narrowly focused operations, and/or other impediments to the timely payment of periodic interest and principal at maturity. The market for high yield securities is smaller and less liquid than that for investment grade securities.

To the extent a fund invests in floating or variable rate obligations that use the London Interbank Offered Rate ("LIBOR") as a reference interest rate, it is subject to LIBOR Risk. The United Kingdom's Financial Conduct Authority, which regulates LIBOR, will cease making LIBOR available as a reference rate over a phase-out period that will begin immediately after December 31, 2021. The unavailability or replacement of LIBOR may affect the value, liquidity or return on certain fund investments and may result in costs incurred in connection with closing out positions and entering into new trades. Any potential effects of the transition away from LIBOR on the fund or on certain instruments in which the fund invests can be difficult to ascertain, and they may vary depending on a variety of factors, and they could result in losses to the fund.

The Fund may effect a portion of creations and redemptions for cash, rather than in-kind securities. As a result, an investment in the Fund may be less tax-efficient than an investment in an exchange-traded fund that effects its creations and redemptions for in-kind securities.

The Fund may invest in other investment companies which involves additional expenses that would not be present in a direct investment in the underlying funds. In addition, the Fund's investment performance and risks may be related to the investment and performance of the underlying funds.

The fund is subject to risks arising from various operational factors, including, but not limited to, human error, processing and communication errors, errors of a fund's service providers, counterparties or other third parties, failed or inadequate processes and technology or systems failures. Although the fund and the Advisor seek to reduce these operational risks through controls and procedures, there is no way to completely protect against such risks.

Volatility is the characteristic of a security, an index or a market to fluctuate significantly in price within a short time period. The fund may invest in securities or financial instruments that exhibit more volatility than the market as a whole. Such exposures could cause the Fund's net asset value to experience significant increases or declines in value over short periods of time.

The information presented is not intended to constitute an investment recommendation for, or advice to, any specific person. By providing this information, First Trust is not undertaking to give advice in any fiduciary capacity within the meaning of ERISA, the Internal Revenue Code or any other regulatory framework. Financial professionals are responsible for evaluating investment risks independently and for exercising independent judgment in determining whether investments are appropriate for their clients.

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