AMERICAN CENTURY MUNICIPAL TRUST


EXHIBIT INDEX

EXHIBIT   DESCRIPTION

EX-99.1a  Amended Declaration of Trust, dated March 9, 1998 and amended March 1,
          1999 (filed electronically as Exhibit a to Post-Effective Amendment
          No. 27 to the Registration Statement of the Registrant on September 2,
          1999, File No. 2-91229).

EX-99.1b  Amendment to the Declaration of Trust, dated March 6, 2001 is included
          herein (filed electronically as Exhibit a2 to Post-Effective Amendment
          No. 31 to the Registration Statement of the Registrant on April 20,
          2001, File No. 2-91229).

EX-99.1c  Amendment No. 2 to the Declaration of Trust dated August 1, 2001
          (filed electronically as Exhibit a3 to Post-Effective Amendment No. 34
          to the Registration Statement of the Registrant on September 28, 2001,
          File No. 2-91229).

EX-99.2   Amended and Restated Bylaws, dated March 9, 1998 (filed electronically
          as Exhibit 2b to Post-Effective Amendment No. 23 to the Registration
          Statement of the Registrant on March 26, 1998, File No. 2-91229).

EX-99.4   Agreement and Plan of Reorganization.

EX-99.6a  Management Agreement (Investor Class) between American Century
          Municipal Trust and American Century Investment Management, Inc.,
          dated August 1, 1997 (filed electronically as Exhibit 5 to
          Post-Effective Amendment No. 33 to the Registration Statement of
          American Century Government Income Trust on July 31, 1997, File No.
          2-99222).

EX-99.6b  Amendment to the Management Agreement (Investor Class) between
          American Century Municipal Trust and American Century Investment
          Management, Inc., dated March 31, 1998 (filed electronically as
          Exhibit 5b to Post-Effective Amendment No. 23 to the Registration
          Statement of the Registrant on March 26, 1998, File No. 2-91229).

EX-99.6c  Amendment to the Management Agreement (Investor Class) between
          American Century Municipal Trust and American Century Investment
          Management, Inc., dated July 1, 1998 (filed electronically as Exhibit
          d3 to Post-Effective Amendment No. 39 to the Registration Statement of
          American Century Government Income Trust on July 28, 1999, File No.
          2-99222).

EX-99.6d  Amendment No. 1 to the Management Agreement (Investor Class) between
          American Century Municipal Trust and American Century Investment
          Management, Inc., dated September 16, 2000 (filed electronically as
          Exhibit d4 to Post-Effective Amendment No. 30 to the Registration
          Statement of American Century California Tax-Free and Municipal Funds
          on December 29, 2000, File No. 2-82734).

EX-99.6e  Amendment No. 2 to the Management Agreement (Investor Class) between
          American Century Municipal Trust and American Century Investment
          Management, Inc., dated August 1, 2001 (filed electronically as
          Exhibit d5 to Post-Effective Amendment No. 44 to the Registration
          Statement of American Century Government Income Trust, on July 31,
          2001, File No. 2-99222).

EX-99.6f  Amendment No. 3 to the Management Agreement (Investor Class) between
          American Century Government Income Trust and American Century
          Investment Management, Inc., dated December 3, 2001 (filed
          electronically as Exhibit d6 to Post-Effective Amendment No. 16 to the
          Registration Statement of American Century Investment Trust, on
          November 30, 2001, File No. 33-65170).

EX-99.6g  Management Agreement (C Class) between American Century Target
          Maturities Trust, American Century California Tax-Free and Municipal
          Funds, American Century Government Income Trust, American Century
          Investment Trust, American Century Quantitative Equity Funds, American
          Century Municipal Trust and American Century Investment Management
          Inc., dated September 16, 2000 (filed electronically as Exhibit d6 to
          Post-Effective Amendment No. 35 to the Registration Statement of
          American Century Target Maturities Trust on April 17, 2001, File No.
          2-94608).

EX-99.6h  Amendment No. 1 to the Management Agreement (C Class) between American
          Century Target Maturities Trust, American Century California Tax-Free
          and Municipal Funds, American Century Government Income Trust,
          American Century Investment Trust, American Century Quantitative
          Equity Funds, American Century Municipal Trust and American Century
          Investment Management Inc., dated August 1, 2001 (filed electronically
          as Exhibit d10 to Post-Effective Amendment No. 44 to the Registration
          Statement of American Century Government Income Trust, on July 31,
          2001, File No. 2-99222).

EX-99.6i  Amendment No. 2 to the Management Agreement (C Class) between American
          Century Target Maturities Trust, American Century California Tax-Free
          and Municipal Funds, American Century Government Income Trust,
          American Century Investment Trust, American Century Quantitative
          Equity Funds, American Century Municipal Trust and American Century
          Investment Management, Inc., dated December 3, 2001 (filed
          electronically as Exhibit d13 to Post-Effective Amendment No. 16 to
          the Registration Statement of American Century Investment Trust, on
          November 30, 2001, File No. 33-65170).

EX-99.7a  Distribution Agreement between American Century Municipal Trust and
          American Century Investment Services, Inc., dated March 13, 2000
          (filed electronically as Exhibit e7 to Post-Effective Amendment No. 17
          to the Registration Statement of American Century World Mutual Funds,
          Inc. on March 30, 2000, File No. 33-39242).

EX-99.7b  Amendment No. 1 to the Distribution Agreement between American Century
          Municipal Trust and American Century Investment Services, Inc., dated
          June 1, 2000 (filed electronically as Exhibit e9 to Post-Effective
          Amendment No. 19 to the Registration Statement of American Century
          World Mutual Funds, Inc. on May 24, 2000, File No. 33-39242).

EX-99.7c  Amendment No. 2 to the Distribution Agreement between American Century
          Municipal Trust and American Century Investment Services, Inc., dated
          November 20, 2000 (filed electronically as Exhibit e10 to
          Post-Effective Amendment No. 29 to the Registration Statement of
          American Century Variable Portfolios, Inc. on December 1, 2000, File
          No. 33-14567).

EX-99.7d  Amendment No. 3 to the Distribution Agreement between American Century
          Municipal Trust and American Century Investment Services, Inc., dated
          March 1, 2001 (filed electronically as Exhibit e4 to Post-Effective
          Amendment No. 35 to the Registration Statement of American Century
          Target Maturities Trust on April 17, 2001, File No. 2-94608).

EX-99.7e  Amendment No. 4 to the Distribution Agreement between American Century
          Municipal Trust and American Century Investment Services, Inc., dated
          April 30, 2001 (filed electronically as Exhibit e5 to Post-Effective
          Amendment No. 35 to the Registration Statement of American Century
          Target Maturities Trust on April 17, 2001, File No. 2-94608).

EX-99.7f  Amendment No. 5 to the Distribution Agreement between American Century
          Municipal Trust and American Century Investment Services, Inc. dated
          August 1, 2001 (filed as Exhibit e6 to Post-Effective Amendment No. 21
          to the Registration Statement of American Century Capital Portfolios,
          Inc., on July 30, 2001, File No. 33-64872).

EX-99.7g  Amendment No. 6 to the Distribution Agreement between American Century
          Municipal Trust and American Century Investment Services, Inc. dated
          August 1, 2001 (filed as Exhibit e7 to Post-Effective Amendment No. 21
          to the Registration Statement of American Century Capital Portfolios,
          Inc., on July 30, 2001, File No. 33-64872).

EX-99.7h  Amendment No. 7 to the Distribution Agreement between American Century
          Government Income Trust and American Century Investment Services,
          Inc., dated August 1, 2001 (filed electronically as Exhibit d8 to
          Post-Effective Amendment No. 16 to the Registration Statement of
          American Century Investment Trust, on November 30, 2001, File No.
          33-65170).

EX-99.7i  Amendment No. 8 to the Distribution Agreement between American Century
          Government Income Trust and American Century Investment Services,
          Inc., dated March 1, 2002 (filed electronically as Exhibit e9 to
          Post-Effective Amendment No. 96 to the Registration Statement of
          American Century Mutual Funds, Inc., on February 28, 2002, File No.
          2-14213).

EX-99.7j  Amendment No. 9 to the Distribution Agreement between American Century
          Government Income Trust and American Century Investment Services,
          Inc., dated March 6, 2002 (filed electronically as Exhibit e10 to
          Post-Effective Amendment No. 96 to the Registration Statement of
          American Century Mutual Funds, Inc., on February 28, 2002, File No.
          2-14213).

EX-99.9a  Master Agreement by and between Twentieth Century Services, Inc. and
          Commerce Bank, N.A., dated January 22, 1997 (filed electronically as
          Exhibit g2 to Post-Effective Amendment No. 76 to the Registration
          Statement of American Century Mutual Funds, Inc. on February 28, 1997,
          File No. 2-14213).

EX-99.9b  Global Custody Agreement between American Century Investments and The
          Chase Manhattan Bank, dated August 9, 1996 (filed electronically as
          Exhibit 8 to Post-Effective Amendment No. 31 to the Registration
          Statement of American Century Government Income Trust on February 7,
          1997, File No. 2-99222).

EX-99.9c  Amendment to the Global Custody Agreement between American Century
          Investments and The Chase Manhattan Bank, dated December 9, 2000
          (filed electronically as Exhibit g2 to Pre-Effective Amendment No. 2
          to the Registration Statement of American Century Variable Portfolios
          II, Inc. on January 9, 2001, File No. 333-46922).

EX-99.10a Master Distribution and Individual Shareholder Services Plan of
          American Century Government Income Trust, American Century Investment
          Trust, American Century California Tax-Free and Municipal Funds,
          American Century Municipal Trust, American Century Target Maturities
          Trust and American Century Quantitative Equity Funds (C Class), dated
          September 16, 2000 (filed electronically as Exhibit m3 to
          Post-Effective Amendment No. 35 to the Registration Statement of
          American Century Target Maturities Trust on April 17, 2001, File No.
          2-94608).

EX-99.10b Amendment No. 1 to the Master Distribution and Individual Shareholder
          Services Plan of American Century Government Income Trust, American
          Century Investment Trust, American Century California Tax-Free and
          Municipal Funds, American Century Municipal Trust, American Century
          Target Maturities Trust and American Century Quantitative Equity Funds
          (C Class), dated August 1, 2001 (filed electronically as Exhibit m5 to
          Post-Effective Amendment No. 44 to the Registration Statement of
          American Century Government Income Trust, on July 31, 2001, File No.
          2-99222).

EX-99.10c Amendment No. 2 to the Master Distribution and Individual Shareholder
          Services Plan of American Century Government Income Trust, American
          Century Investment Trust, American Century California Tax-Free and
          Municipal Funds, American Century Municipal Trust, American Century
          Target Maturities Trust and American Century Quantitative Equity Funds
          (C Class), dated December 3, 2001 (filed electronically as Exhibit m7
          to Post-Effective Amendment No. 16 to the Registration Statement of
          American Century Investment Trust, on November 30, 2001, File No.
          33-65170).

EX-99.10d Amended and Restated Multiple Class Plan of American Century
          California Tax-Free and Municipal Funds, American Century Government
          Income Trust, American Century International Bond Fund, American
          Century Investment Trust, American Century Municipal Trust, American
          Century Target Maturities Trust and American Century Quantitative
          Equity Funds, dated November 20, 2000 (filed electronically as Exhibit
          n to Post-Effective Amendment No. 35 to the Registration Statement of
          American Century Target Maturities Trust on April 17, 2001, File No.
          2-94608).

EX-99.10e Amendment No. 1 to the Amended and Restated Multiple Class Plan of
          American Century California Tax-Free and Municipal Funds, American
          Century Government Income Trust, American Century International Bond
          Fund, American Century Investment Trust, American Century Municipal
          Trust, American Century Target Maturities Trust and American Century
          Quantitative Equity Funds, dated August 1, 2001 (filed electronically
          as Exhibit n2 to Post-Effective Amendment No. 44 to the Registration
          Statement of American Century Government Income Trust, on July 31,
          2001, File No. 2-99222).

EX-99.10f Amendment No. 2 to the Amended and Restated Multiple Class Plan of
          American Century California Tax-Free and Municipal Funds, American
          Century Government Income Trust, American Century International Bond
          Fund, American Century Investment Trust, American Century Municipal
          Trust, American Century Target Maturities Trust and American Century
          Quantitative Equity Funds, dated December 3, 2001 (filed
          electronically as Exhibit n3 to Post-Effective Amendment No. 16 to the
          Registration Statement of American Century Investment Trust, on
          November 30, 2001, File No. 33-65170).

EX-99.10g Amendment No. 3 to the Amended and Restated Multiple Class Plan of
          American Century California Tax-Free and Municipal Funds, American
          Century Government Income Trust, American Century International Bond
          Fund, American Century Investment Trust, American Century Municipal
          Trust, American Century Target Maturities Trust and American Century
          Quantitative Equity Funds (filed electronically as Exhibit n4 to
          Post-Effective Amendment No. 46 to the Registration Statement of the
          Registrant, on March 4, 2002, File No. 2-99222).

EX-99.11  Opinion and Consent of Counsel as to the legality of the securities
          being registered (filed electronically as Exhibit i to Post-Effective
          Amendment No. 27 to the Registration Statement of the Registrant on
          September 2, 1999, File No. 2-91229).

EX-99.12  Opinion and Consent as to the tax matters and consequences to
          Shareholders

EX-99.13a Transfer Agency Agreement between American Century Municipal Trust and
          American Century Services Corporation, dated August 1, 1997 (filed
          electronically as Exhibit 9 to Post-Effective Amendment No. 33 to the
          Registration Statement of American Century Government Income Trust on
          July 31, 1997, File No. 2-99222).

EX-99.13b Amendment to the Transfer Agency Agreement between American Century
          Municipal Trust and American Century Services Corporation, dated March
          9, 1998 (filed electronically as Exhibit B9b to Post-Effective
          Amendment No. 23 to the Registration Statement of the Registrant on
          March 26, 1998, File No. 2-91229).

EX-99.13c Amendment No. 1 to the Transfer Agency Agreement between American
          Century Municipal Trust and American Century Services Corporation,
          dated June 29, 1998 (filed electronically as Exhibit 9b to
          Post-Effective Amendment No. 23 to the Registration Statement of
          American Century Quantitative Equity Funds on June 29, 1998, File No.
          33-19589).

EX-99.13d Amendment No. 2 to the Transfer Agency Agreement between American
          Century Municipal Trust and American Century Services Corporation,
          dated November 20, 2000 (filed electronically as Exhibit h4 to
          Post-Effective Amendment No. 30 to the Registration Statement of
          American Century California Tax-Free and Municipal Funds on December
          29, 2000, File No. 2-82734).

EX-99.13e Amendment No. 3 to the Transfer Agency Agreement between American
          Century Municipal Trust and American Century Services Corporation,
          dated August 1, 2001 (filed electronically as Exhibit h5 to
          Post-Effective Amendment No. 44 to the Registration Statement of
          American Century Government Income Trust, on July 31, 2001, File No.
          2-99222).

EX-99.13f Amendment No. 4 to the Transfer Agency Agreement between American
          Century Government Income Trust and American Century Services
          Corporation dated December 3, 2001 (filed electronically as Exhibit h6
          to Post-Effective Amendment No. 16 to the Registration Statement of
          American Century Investment Trust, on November 30, 2001, File No.
          33-65170).

EX-99.13g Credit Agreement between American Century Funds and The Chase
          Manhattan Bank, as Administrative Agent, dated as of December 19, 2000
          (filed electronically as Exhibit h5 to Post-Effective Amendment No. 33
          to the Registration Statement of American Century Target Maturities
          Trust on January 31, 2001, File No. 2-94608).

EX-99.14a Consent of PricewaterhouseCoopers LLP, independent accountants.

EX-99.14b Consent of KPMG Peat Marwick, LLP, independent auditors (filed
          electronically as Exhibit 11 to Post-Effective Amendment No. 33 to the
          Registration Statement of American Century Government Income Trust on
          July 31, 1997, File No. 2-99222).

EX-99.16  Power of Attorney, dated September 16, 2000 (filed electronically as
          Exhibit j3 to Post-Effective Amendment No. 29 to the Registration
          Statement of the Registrant, on September 28, 2000, File No. 2-91229).

EX-99.17a Form of proxy vote card.

EX-99.17b Limited-Term Tax-Free and Tax-Free Bond Prospectuses dated October 1,
          2001 (filed electronically on September 28, 2001).

EX-99.17c Statement of Additional Information dated October 1, 2001 (filed
          electronically on September 28, 2001).

EX-99.17d Limited-Term Tax-Free and Tax-Free Bond Annual Reports dated May 31,
          2001 (filed electronically on July 25, 2001).