Type	Name	Date
Underwriting agreement	UNDERWRITING AGREEMENT	08/04/2023
Indenture	Indenture, among Booz Allen Hamilton Inc., the Subsidiary Guarantors party thereto and Wilmington Trust, National Association	06/17/2021
Indenture	First Supplemental Indenture, among Booz Allen Hamilton Inc., the Subsidiary Guarantors party thereto and Wilmington Trust, National Association	06/17/2021
Credit agreement	Sixth Amendment to Credit Agreement, among Booz Allen Hamilton Inc., as Borrower, Booz Allen Hamilton Investor Corporation, Booz Allen Hamilton Engineering Holding Co., LLC, Booz Allen Hamilton Engineering Services, LLC, SDI Technology Corporation, eGov Holdings, Inc. and Aquilent, Inc., as Guarantors, Bank of America, N.A., as Administrative Agent and Collateral Agent and the other Lenders and financial institutions from time to time party thereto	07/24/2018
Credit agreement	Sixth Amendment to Credit Agreement, among Booz Allen Hamilton Inc., as Borrower, Booz Allen Hamilton Investor Corporation, Booz Allen Hamilton Engineering Holding Co., LLC, Booz Allen Hamilton Engineering Services, LLC, SDI Technology Corporation, eGov Holdings, Inc. and Aquilent, Inc., as Guarantors, Bank of America, N.A., as Administrative Agent and Collateral Agent and the other Lenders and financial institutions from time to time party thereto	07/24/2018
Indenture	First Supplemental Indenture, among Booz Allen Hamilton Inc., the Subsidiary Guarantors party thereto and Wilmington Trust, National Association	04/25/2017
Credit agreement	Fourth Amendment to Credit Agreement, among Booz Allen Hamilton Inc., as Borrower, Booz Allen Hamilton Investor Corporation, Booz Allen Hamilton Engineering Holding Co., LLC, Booz Allen Hamilton Engineering Services, LLC and SDI Technology Corporation, as Guarantors, Bank of America, N.A., as Administrative Agent, Collateral Agent and Issuing Lender, and the other Lenders and financial institutions from time to time party thereto	02/07/2017
Credit agreement	Third Amendment to Credit Agreement, among Booz Allen Hamilton Inc., as Borrower, Booz Allen Hamilton Investor Corporation, Booz Allen Hamilton Engineering Holding Co., LLC, Booz Allen Hamilton Engineering Services, LLC, SDI Technology Corporation and Booz Allen Hamilton International, Inc., as Guarantors, Bank of America, N.A., as Administrative Agent, Collateral Agent and Issuing Lender, and the other Lenders and financial institutions from time to time party thereto	07/18/2016
Credit agreement	Second Amendment to Credit Agreement, among Booz Allen Hamilton Inc., as Borrower, Booz Allen Hamilton Investor Corporation, Booz Allen Hamilton Engineering Holding Co., LLC, Booz Allen Hamilton Engineering Services, LLC, SDI Technology Corporation, ASE, Inc. and Booz Allen Hamilton International, Inc., as Guarantors, Bank of America, N.A., as Administrative Agent, Collateral Agent and Issuing Lender, and the other Lenders and financial institutions from time to time party thereto	05/13/2014
Credit agreement	Credit Agreement	08/01/2012
Credit agreement	Second Amended and Restated Credit Agreement	02/04/2011