Construction Materials Industry Indenture Agreements

Tenth Supplemental Indenture, dated as of March 3, 2023, between Vulcan Materials Company and Regions Bank, as Trustee (Vulcan Materials, Filed With SEC on March 3, 2023)

Fourth Supplemental Indenture, dated as of July 2, 2021, between Martin Marietta Materials, Inc. and Regions Bank, as trustee, governing the Notes (Martin Marietta Materials, Filed With SEC on July 2, 2021)

Second Supplemental Indenture, dated as of July 1, 2021, between Eagle Materials Inc. and The Bank of New York Mellon Trust Company, N.A (Eagle Materials Inc, Filed With SEC on July 1, 2021)

Indenture, dated as of September 23, 2020, by and among U.S. Concrete, Inc., the subsidiary guarantors party thereto and U.S. Bank National Association, as trustee (U.S. Concrete, Inc., Filed With SEC on September 23, 2020)

Ninth Supplemental Indenture, dated as of May 18, 2020, between Vulcan Materials Company and Regions Bank, as Trustee (Vulcan Materials, Filed With SEC on May 18, 2020)

Third Supplemental Indenture, dated as of March 16, 2020, between Martin Marietta Materials, Inc. and Regions Bank, as trustee, governing the Senior Notes (Martin Marietta Materials, Filed With SEC on March 16, 2020)

Indenture, dated as of February 23, 2018, between Vulcan Materials Company and Regions Bank (Vulcan Materials, Filed With SEC on February 26, 2018)

Eighth Supplemental Indenture, dated as of February 23, 2018, between Vulcan Materials Company and Regions Bank, as Trustee (Vulcan Materials, Filed With SEC on February 23, 2018)

Second Supplemental Indenture, dated as of December 20, 2017, between Martin Marietta Materials, Inc. and Regions Bank, as trustee, governing the Senior Notes (Martin Marietta Materials, Filed With SEC on December 20, 2017)

VULCAN MATERIALS COMPANY and REGIONS BANK, as Trustee SEVENTH SUPPLEMENTAL INDENTURE Dated as of June 15, 2017 to SENIOR DEBTINDENTURE Dated as of December 11, 2007 Floating Rate... (Vulcan Materials, Filed With SEC on June 15, 2017)

MARTINMARIETTA MATERIALS, INC., as Issuer and Regions Bank, asTrustee FIRST SUPPLEMENTAL INDENTURE Dated as of May 22, 2017 to INDENTURE Dated as of May 22, 2017 Floating... (Martin Marietta Materials, Filed With SEC on May 22, 2017)

MARTIN MARIETTA MATERIALS, INC., as Issuer Regions Bank, as Trustee INDENTURE May 22,2017 SENIOR DEBT SECURITIES (Martin Marietta Materials, Filed With SEC on May 22, 2017)

VULCAN MATERIALS COMPANY and REGIONS BANK, as Trustee SIXTH SUPPLEMENTAL INDENTURE Dated as of March 14, 2017 to SENIOR DEBTINDENTURE Dated as of December 11, 2007 3.90% Notes due... (Vulcan Materials, Filed With SEC on March 14, 2017)

SUPPLEMENTAL INDENTURE NO. 2 (U.S. Concrete, Inc., Filed With SEC on January 9, 2017)

SUPPLEMENTAL INDENTURE NO. 1 (U.S. Concrete, Inc., Filed With SEC on January 9, 2017)

FIRST SUPPLEMENTAL INDENTURE Dated as of August 2, 2016 Among EAGLE MATERIALS INC., as Issuer AND THE GUARANTORS PARTY HERETO AND THE BANK OF NEW YORK MELLON TRUST COMPANY N.A.,... (Eagle Materials Inc, Filed With SEC on August 2, 2016)

U.S. CONCRETE, INC., as Issuer, AND EACH OF THE SUBSIDIARY GUARANTORS PARTY HERETO 6.375% Senior Notes Due 2024 INDENTURE Dated as of June 7, 2016 U.S. BANKNATIONAL ASSOCIATION,... (U.S. Concrete, Inc., Filed With SEC on June 7, 2016)

FIRST SUPPLEMENTAL INDENTURE (Summit Materials, Inc., Filed With SEC on July 27, 2015)

TENTH SUPPLEMENTAL INDENTURE (Summit Materials, Inc., Filed With SEC on July 27, 2015)

NINTH SUPPLEMENTAL INDENTURE (Summit Materials, Inc., Filed With SEC on July 27, 2015)

VULCAN MATERIALS COMPANY and REGIONS BANK, as Trustee FIFTH SUPPLEMENTAL INDENTURE Dated as of March 30, 2015 to SENIOR DEBTINDENTURE Dated as of December 11, 2007 4.50% Notes due... (Vulcan Materials, Filed With SEC on March 30, 2015)

EIGHTH SUPPLEMENTAL INDENTURE (Summit Materials, Inc., Filed With SEC on January 9, 2015)

SEVENTH SUPPLEMENTAL INDENTURE (Summit Materials, Inc., Filed With SEC on January 9, 2015)

INDENTURE Between MARTIN MARIETTA MATERIALS, INC. as Issuer and REGIONS BANK as Trustee ____________________ FLOATING RATESENIOR NOTES DUE 2017 4.250% SENIOR NOTES DUE 2024... (Martin Marietta Materials, Filed With SEC on July 2, 2014)

SECOND SUPPLEMENTAL INDENTURE (U.S. Concrete, Inc., Filed With SEC on February 6, 2013)

SUPPLEMENTAL INDENTURE (U.S. Concrete, Inc., Filed With SEC on February 6, 2013)

VULCAN MATERIALS COMPANY and WILMINGTON TRUST COMPANY, Trustee FOURTH SUPPLEMENTAL INDENTURE Dated as of June 14, 2011 to SENIOR DEBT INDENTURE Dated as of December 11, 2007 6.50%... (Vulcan Materials, Filed With SEC on June 15, 2011)

all outstanding obligations under our Old Notes were cancelled and the indenture governing the Old Notes was terminated (U.S. Concrete, Inc., Filed With SEC on March 11, 2011)

EX-4.1: SECOND SUPPLEMENTAL INDENTURE (Vulcan Materials, Filed With SEC on June 20, 2008)

EX-4.2: FIRST SUPPLEMENTAL INDENTURE (Vulcan Materials, Filed With SEC on December 11, 2007)

EX-4.1: SENIOR DEBT INDENTURE (Vulcan Materials, Filed With SEC on December 11, 2007)

SUPPLEMENTAL INDENTURE NO. 1 (Vulcan Materials, Filed With SEC on November 21, 2007)

Indenture Agreements in the Construction Materials Industry