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                                                                    EXHIBIT 4(d)

                CERTIFICATE OF TRUST OF COMERICA CAPITAL TRUST I

 This Certificate of Trust of Comerica Capital Trust I (the "Trust"), dated June
12, 2001, is being duly executed and filed by the undersigned, as trustees, to
form a business trust under the Delaware Business Trust Act (12 Del. C. Section
3801, et seq.)(the "Act").

1.       Name. The name of the business trust formed by this Certificate of
         Trust is Comerica Capital Trust I.

2.       Delaware Trustee. The name and business address of the trustee of the
         Trust with its principal place of business in the State of Delaware are
         Chase Manhattan Bank USA, National Association, 1201 Market Street,
         Wilmington, Delaware 19801.

3.       Effective Date. This Certificate of Trust shall be effective upon
         filing with the Secretary of State of the State of Delaware.

4.       Counterparts. This Certificate of Trust may be executed in one or more
         counterparts.

 IN WITNESS WHEREOF, the undersigned, being the trustees of the Trust, have
executed this Certificate of Trust in accordance with Section 3811(a)(1) of the
Act.

                                  CHASE MANHATTAN TRUST COMPANY,
                                  NATIONAL ASSOCIATION, not in its individual
                                  capacity but solely as trustee of the Trust

                                  By:  /s/ D. Kovach
                                      ------------------------
                                          Name:  D. Kovach
                                          Title: Assistant Vice President

                                  CHASE MANHATTAN BANK USA,
                                  NATIONAL ASSOCIATION
                                   not in its individual capacity but solely as
                                   trustee of the Trust

                                  By:  /s/ Denis Kelly
                                      ------------------------
                                          Name:  Denis Kelly
                                          Title: Assistant Vice President

                                  RONALD D. MARKS, not in his individual
                                  capacity but solely as trustee of the Trust

                                  By:  /s/ Ronald D. Marks
                                      ------------------------<PAGE>   1

                                                                    EXHIBIT 4(e)

                CERTIFICATE OF TRUST OF COMERICA CAPITAL TRUST II

 This Certificate of Trust of Comerica Capital Trust II (the "Trust"), dated
June 12, 2001, is being duly executed and filed by the undersigned, as trustees,
to form a business trust under the Delaware Business Trust Act (12 Del. C.
Section 3801, et seq.)(the "Act").

1.       Name. The name of the business trust formed by this Certificate of
         Trust is Comerica Capital Trust II.

2.       Delaware Trustee. The name and business address of the trustee of the
         Trust with its principal place of business in the State of Delaware are
         Chase Manhattan Bank USA, National Association, 1201 Market Street,
         Wilmington, Delaware 19801.

3.       Effective Date. This Certificate of Trust shall be effective upon
         filing with the Secretary of State of the State of Delaware.

4.       Counterparts. This Certificate of Trust may be executed in one or more
         counterparts.

 IN WITNESS WHEREOF, the undersigned, being the trustees of the Trust, have
executed this Certificate of Trust in accordance with Section 3811(a)(1) of the
Act.

                                  CHASE MANHATTAN TRUST COMPANY,
                                  NATIONAL ASSOCIATION not in its individual
                                  capacity but solely as trustee of the Trust

                                  By: /s/ D. Kovach
                                     -------------------------
                                        Name:  D. Kovach
                                        Title: Assistant Vice President

                                  CHASE MANHATTAN BANK USA,
                                  NATIONAL ASSOCIATION,
                                   not in its individual capacity but solely as
                                   trustee of the Trust

                                  By: /s/ Denis Kelly
                                     -------------------------
                                        Name:  Denis Kelly
                                        Title: Assistant Vice President

                                  RONALD D. MARKS, not in his individual
                                  capacity but solely as trustee of the Trust

                                  By: /s/ Ronald D. Marks
                                     -------------------------<PAGE>   1

                                                                    EXHIBIT 4(f)

                DECLARATION OF TRUST OF COMERICA CAPITAL TRUST I

 This DECLARATION OF TRUST, dated as of June 12, 2001 (this "Declaration"), is
entered by and among COMERICA INCORPORATED, a Delaware corporation, as sponsor
(the "Sponsor"), Chase Manhattan Bank USA, National Association, a national
banking association, as trustee (the "Delaware Trustee"), Chase Manhattan Trust
Company, National Association, a national banking association, as trustee (the
"Property Trustee"), and Ronald D. Marks, as trustee (the "Administrative
Trustee" and collectively with the Delaware Trustee and the Property Trustee,
the "Trustees").

The Sponsor and the Trustees hereby agree as follows:

1.       The trust created hereby (the "Trust") shall be known as "Comerica
         Capital Trust I", in which name the Trustees, or the Sponsor to the
         extent provided herein, may conduct the business of the Trust, make and
         execute contracts, and sue and be sued.

2.       The Sponsor hereby assigns, transfers, conveys and sets over to the
         Trust the sum of ten dollars ($10.00), which amount shall constitute
         the initial trust estate. It is the intention of the parties hereto
         that the Trust created hereby constitute a business trust under Chapter
         38 of Title 12 of the Delaware Code, 12 Del. C. Section 3801, et seq.
         (the "Business Trust Act"), and that this document constitutes the
         governing instrument of the Trust. The Trustees are hereby authorized
         and directed to execute and file a certificate of trust with the
         Delaware Secretary of State.

3.       The Sponsor and the Trustees will enter into an amended and restated
         declaration of trust, satisfactory to each such party (and
         substantially in the form included as an exhibit to the 1933 Act
         Registration Statement (as defined below)), to provide for the
         contemplated operation of the Trust created hereby and the issuance of
         preferred securities (the "Preferred Securities") and common securities
         by the Trust as such securities will be described therein. Prior to the
         execution and delivery of such amended and restated declaration of
         trust, the Trustees shall not have any duty or obligation hereunder or
         with respect to the trust estate, except as otherwise required by
         applicable law or as may be necessary to obtain prior to such execution
         and delivery and licenses, consents or approvals required by applicable
         law or otherwise.

4.       The Sponsor, as sponsor of the Trust, is hereby authorized and directed
         (i) to prepare and file with the Securities and Exchange Commission
         (the "Commission") (a) a Registration Statement on Form S-3 (the "1933
         Act Registration Statement"), including any pre-effective or
         post-effective amendments to the 1933 Act Registration Statement,
         relating to the registration under the Securities Act of 1933, as
         amended, of the Preferred Securities of the Trust and possibly certain
         other securities and (b) a Registration Statement on Form 8-A (the
         "1934 Act Registration Statement") (including all pre-effective and
         post-effective

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         amendments thereto) relating to the registration of the Preferred
         Securities of the Trust under the Securities Exchange Act of 1934, as
         amended; (ii) to file with the New York Stock Exchange or any other
         national stock exchange or The Nasdaq National Market (each, an
         "Exchange") and execute on behalf of the Trust one or more listing
         applications and all other applications, statements, certificates,
         agreements and other instruments as shall be necessary or desirable to
         cause the Preferred Securities to be listed on any of the Exchanges;
         (iii) to negotiate and execute an underwriting agreement among the
         Trust, the Sponsor and the underwriter(s) thereto relating to the offer
         and sale of the Preferred Securities, substantially in the form
         included or to be incorporated as an exhibit to the 1933 Act
         Registration Statement, (iv) to execute and file such applications,
         reports, surety bonds, irrevocable consents, appointments of attorneys
         for service of process and other papers and documents as shall be
         necessary or desirable to register the Preferred Securities under the
         securities or "Blue Sky" laws of such jurisdictions as the Sponsor, on
         behalf of the Trust, may deem necessary or desirable and (v) to execute
         and deliver letters or documents to, or instruments for filing with, a
         depository relating to the Preferred Securities of the Trust. It is
         hereby acknowledged and agreed that in connection with any document
         referred to in clauses (i), (ii) and (iv) above, Chase Manhattan Bank
         USA, National Association and Chase Manhattan Trust Company, National
         Association, in their capacities as trustees of the Trust, shall not be
         required to join in any such filing or execute on behalf of the Trust
         any such document unless required by the rules and regulations of the
         Commission, the Exchanges or state securities or blue sky laws, and in
         such case only to the extent so required.

5.       This Declaration may be executed in one or more counterparts.

6.       The number of Trustees initially shall be three (3) and thereafter the
         number of Trustees shall be such number as shall be fixed from time to
         time by a written instrument signed by the Sponsor which may increase
         or decrease the number of Trustees; provided that, to the extent
         required by the Business Trust Act, one Trustee shall be an entity that
         has its principal place of business in the State of Delaware. Subject
         to the foregoing, the Sponsor is entitled to appoint or remove without
         cause any Trustee at any time. The Trustees may resign upon thirty days
         prior notice to the Sponsor.

7.       Chase Manhattan Bank USA, National Association, in its capacity as
         trustee, shall not have the powers or the duties of the Property
         Trustee or the Administrative Trustee set forth herein (except as may
         be required under the Business Trust Act) and shall be a Trustee
         hereunder for the sole and limited purpose of fulfilling the
         requirements of Section 3807(a) of the Business Trust Act.

8.       The Trust may be dissolved and terminated before the issuance of the
         Preferred Securities at the election of the Sponsor.

9.       The Sponsor hereby agrees to (i) reimburse the Trustees for all
         reasonable expenses (including reasonable fees and expenses of counsel
         and other experts) and (ii) indemnify, defend and hold harmless the
         Trustees and any of the officers, directors, employees and

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         agents of the Trustees (the "Indemnified Persons") from and against any
         and all losses, damages, liabilities, claims, actions, suits, costs,
         expenses, disbursements (including the reasonable fees and expenses of
         counsel), taxes and penalties of any kind and nature whatsoever
         (collectively, "Expenses"), to the extent that such Expenses arise out
         of, or are imposed upon, or are asserted at any time against, such
         Indemnified Persons with respect to the performance of this
         Declaration, the creation, operation or termination of the Trust or the
         transactions contemplated hereby; provided, however, that the Sponsor
         shall not be required to indemnify any Indemnified Person for any
         Expenses which are a result of the willful misconduct, bad faith or
         gross negligence of such Indemnified Person.

10.      This Declaration shall be governed by and construed in accordance with
         the laws of the State of Delaware.

IN WITNESS WHEREOF, the parties hereto have caused this Declaration to be duly
executed as of the day and year first above written.

                              COMERICA INCORPORATED, as Sponsor

                              By: /s/ Mark W. Yonkman
                                 ----------------------------------------
                                   Name:
                                   Title: First Vice President, Assistant
                                          Secretary and General Counsel -
                                          Investment Bank & Corporate Finance

                              CHASE MANHATTAN TRUST COMPANY,
                              National Association, as trustee of the Trust

                              By: /s/ D. Kovach
                                 -------------------------------------------
                                      Name:  D. Kovach
                                      Title: Assistant Vice President

                              CHASE MANHATTAN BANK USA,
                              NATIONAL ASSOCIATION,
                              as trustee of the Trust

                              By: /s/ Denis Kelly
                                 -------------------------------------------
                                      Name:  Denis Kelly
                                      Title: Assistant Vice President

                              RONALD D. MARKS, as trustee of the Trust

                              By: /s/ Ronald D. Marks
                                 -------------------------------------------

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