FIRST TRUST EXCHANGE-TRADED FUND IV
                              AMENDED AND RESTATED
    ESTABLISHMENT AND DESIGNATION OF SERIES OF SHARES OF BENEFICIAL INTEREST
                         (EFFECTIVE AS OF JUNE 2, 2019)

      WHEREAS, pursuant to Section 4.9 of the Amended and Restated Declaration
of Trust dated June 12, 2017 as the same may be amended from time to time (the
"Declaration"), of First Trust Exchange-Traded Fund IV, a Massachusetts business
trust (the "Trust"), the initial Trustee of the Trust divided the Shares of the
Trust into one series of shares of beneficial interests in the Trust (each, a
"Series") as of that same date as set forth on Schedule A to the Declaration:
First Trust North American Energy Infrastructure Fund (the "Initial Series");
and

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 13th of June, 2011, designated an additional series to be
named First Trust Inflation Managed Fund;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust on the 18th of July, 2011, designated an additional series to be
named First Trust Senior Loan Fund;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 19th of September, 2011, designated an additional series to
be named First Trust Global Flex Fund;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 9th of November, 2011, designated two additional series to
be named First Trust Global Tactical Asset Allocation and Income Fund and First
Trust High Yield Fund;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 12th of December, 2011, amended and restated the Amended
and Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to rename First Trust Global Flex Fund as First Trust Global
Tactical Asset Allocation Fund;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 17th of September, 2012, designated an additional series to
be named First Trust High Yield Long/Short ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 10th of June, 2013, designated two additional series to be
named First Trust Multi-Sector Bond ETF and First Trust Strategic Income ETF;





     WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 21st of August, 2013, amended and restated the Amended and
Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to rename First Trust High Yield Long/Short ETF as First Trust
Tactical High Yield ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 16th of September, 2013, amended and restated the Amended
and Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to terminate the First Trust High Yield Fund and the First
Trust Global Tactical Asset Allocation Fund;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 16th of September, 2013, designated two additional series
to be named First Trust Low Duration Mortgage Opportunities ETF and First Trust
Multi-Sector Diversified Short Duration ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 8th of December, 2013, designated an additional series to
be named First Trust Enhanced Short Maturity ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 18th of December, 2013, designated an additional series to
be named First Trust Unconstrained Bond ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 15th of September, 2014, amended and restated the Amended
and Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to terminate the First Trust Multi-Sector Bond ETF and the
First Trust Multi-Sector Diversified Short Duration ETF and in order to
designate two additional series to be named the First Trust Tactical Floating
Rate ETF and the First Trust Mortgage REIT Opportunities ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 20th of November, 2014, designated two additional series to
be named the First Trust SSI Strategic Convertible Securities ETF and the First
Trust Heitman Global Prime Real Estate ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 8th of December, 2014, renamed First Trust Tactical
Floating Rate ETF as First Trust Strategic Floating Rate ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 16th of June, 2015, amended and restate the Amended and
Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to terminate the First Trust Inflation Managed Fund, the First
Trust Global Tactical Asset Allocation and Income fund and the First Trust
Unconstrained Bond ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 14th of September, 2015, amended and restated the Amended
and Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to designate an additional series to be named First Trust
Equity Market Neutral ETF;


                                      -2-



      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 7th of December, 2015, amended and restated the Amended and
Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to rename First Trust Mortgage REIT Opportunities ETF as First
Trust Strategic Mortgage REIT ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 29th of February, 2016, amended and restated the Restate
Establishment and Designation of Series of Shares of Beneficial Interest in
order to rename First Trust Low Duration Mortgage Opportunities ETF as First
Trust Low Duration Opportunities ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 7th day of March, 2016, amended and restated the Amended
and Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to terminate the First Trust Equity Neutral ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 12th day of December, 2016, amended and restated the
Amended and Restated Establishment and Designation of Series of Shares of
Beneficial Interest in order to terminate the First Trust Strategic Floating
Rate ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 23d day of April, 2018, amended and restated the Amended
and Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to designate one additional series to be named First Trust
Long Duration Opportunities ETF;

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 11th day of March, 2019, amended and restated the Amended
and Restated Establishment and Designation of Series of Shares of Beneficial
Interest in order to designate one additional series to be named First Trust
Clean and Renewable Energy Infrastructure ETF; and

      WHEREAS, pursuant to Section 4.9 of the Declaration, the Board of Trustees
of the Trust, on the 2d day of June, 2019, desires to amend and restate the
Amended and Restated Establishment and Designation of Series of Shares of
Beneficial Interest in order to change the name of First Trust Clean and
Renewable Energy Infrastructure ETF to First Trust EIP Carbon Impact ETF.

      NOW THEREFORE, by vote of at least a majority of the Board of Trustees of
the Trust, the Amended and Restated Establishment and Designation of Series of
Shares of Beneficial Interest is further amended and restated in its entirety as
follows:

      The following Series of the Trust are established and designated with such
relative rights, preferences, privileges, limitations, restrictions and other
relative terms as are set forth below:

      1. First Trust North American Energy Infrastructure Fund
      2. First Trust Senior Loan Fund
      3. First Trust Tactical High Yield ETF
      4. First Trust Strategic Income ETF
      5. First Trust Low Duration Opportunities ETF


                                      -3-



      6. First Trust Enhanced Short Maturity ETF
      7. First Trust Strategic Mortgage REIT ETF
      8. First Trust SSI Strategic Convertible Securities ETF
      9. First Trust Heitman Global Prime Real Estate ETF
      10. First Trust Long Duration Opportunities ETF
      11. First Trust EIP Carbon Impact ETF

1. Each Share of each Series is entitled to all the rights and preferences
accorded to Shares under the Declaration.

2. The number of authorized Shares of each Series is unlimited.

3. Each Series shall be authorized to hold cash, invest in securities,
instruments and other property, use investment techniques, and have such goals
or objectives as from time to time described in the prospectus and statement of
additional information contained in the Trust's then currently effective
registration statement under the Securities Act of 1933 to the extent pertaining
to the offering of Shares of the Series, as the same may be amended and
supplemented from time to time ("Prospectus"). Each Share of a Series shall
represent a beneficial interest in the net assets allocated or belonging to such
Series only, and such interest shall not extend to the assets of the Trust
generally (except to the extent that General Assets (as defined in the
Declaration) are allocated to such Series), and shall be entitled to receive its
pro rata share of the net assets of the Series upon liquidation of the Series,
all as set forth in Section 4.9 of the Declaration.

4. With respect to each Series, (a) the purchase price of the Shares, (b) fees
and expenses, (c) qualifications for ownership, if any, (d) the method of
determination of the net asset value of the Shares, (e) minimum purchase
amounts, if any, (f) minimum account size, if any, (g) the price, terms and
manner of redemption of the Shares, (h) any conversion or exchange feature or
privilege, (i) the relative dividend rights, and (j) any other relative rights,
preferences, privileges, limitations, restrictions and other relative terms have
been established by the Trustees in accordance with the Declaration and are set
forth in the Prospectus with respect to such Series.

5. The Trustees may from time to time modify any of the relative rights,
preferences, privileges, limitations, restrictions and other relative terms of a
Series that have been established by the Trustees or redesignate any of the
Series without any action or consent of the Shareholders.

6. The designation of any Series hereby shall not impair the power of the
Trustees from time to time to designate additional Series of Shares of the
Trust.

7. Capitalized terms not defined herein have the meanings given to such terms in
the Declaration.


                                      -4-



      IN WITNESS WHEREOF, the undersigned, being the Assistant Secretary of the
Trust, has executed this instrument as of this 2d day of June, 2019.


/s/ Erin Klassman
----------------------------------------
Erin Klassman, Assistant Secretary
FIRST TRUST EXCHANGE-TRADED FUND IV



 STATE OF ILLINOIS           )
                             )  SS.
 COUNTY OF DUPAGE            )


      Then personally appeared the above-named person who is known to me to be
the Assistant Secretary of the Trust whose name and signature are affixed to the
foregoing Amended and Restated Establishment and Designation of Series of Shares
of Beneficial Interest and who acknowledged the same to be her free act and
deed, before me this 2d day of June, 2019.


                                   /s/ Sandra Kim Streit
                                   ---------------------------------------
                                   Notary Public
                                   My Commission Expires: 5/20/2021