Item 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES

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Item 14. PRINCIPAL ACCOUNTANT FEES AND SERVICES

The information required by this item will be set forth under the caption “Proposal No. 2 - Ratification of Appointment of Independent Registered Public Accounting Firm,” in our Proxy Statement, which is incorporated herein by reference.

PART IV

15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) Documents Filed with Report

(a) (1) Financial Statements


			Page
Report of Independent Registered Public Accounting Firm (Ernst & Young LLP, PCAOB ID: 42)			F-1
Consolidated Balance Sheets as of September 30, 2025 and 2024			F-3
Consolidated Statements of Income for Fiscal Years Ended September 30, 2025, 2024 and 2023			F-4
Consolidated Statements of Comprehensive Income for Fiscal Years Ended September 30, 2025, 2024 and 2023			F-5
Consolidated Statements of Changes in Stockholders’ Deficit for Fiscal Years Ended September 30, 2025, 2024 and 2023			F-6
Consolidated Statements of Cash Flows for Fiscal Years Ended September 30, 2025, 2024 and 2023			F-7
Notes to Consolidated Financial Statements for Fiscal Years Ended September 30, 2025, 2024 and 2023			F-8 to F-38

(a) (2) Financial Statement Schedules
Valuation and Qualifying Accounts for the Fiscal Years Ended September 30, 2025, 2024 and 2023			F-39

(a) (3) Exhibits


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.1	Second Amended and Restated Certificate of Incorporation, filed April 28, 2014, of TransDigm Group Incorporated	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed April 28, 2014 (File No. 001-32833)
3.2	Third Amended and Restated Bylaws of TransDigm Group Incorporated	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed January 30, 2018 (File No. 001-32833)
4.1	Form of Stock Certificate	Incorporated by reference to Amendment No. 3 to TransDigm Group Incorporated’s Form S-1 filed March 13, 2006 (File No. 333-130483)
4.2	Indenture, dated as of January 20, 2021, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 4.625% Senior Subordinated Notes due 2029	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed January 20, 2021 (File No. 001-32833)
4.3	Indenture, dated as of April 21, 2021, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 4.875% Senior Subordinated Notes due 2029	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed April 21, 2021 (File No. 001-32833)
4.4	Indenture, dated as of February 24, 2023, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s 6.750% Senior Secured Notes due 2028	Incorporated by reference to TransDigm Group Incorporated's Form 8-K, filed February 24, 2023 (File No. 001-32833)
4.5	First Supplemental Indenture, dated as of March 9, 2023, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s 6.750% Senior Secured Notes due 2028	Incorporated by reference to TransDigm Group Incorporated's Form 8-K, filed March 9, 2023 (File No. 001-32833)
4.6	Indenture, dated as of August 18, 2023, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s 6.875% Senior Secured Notes due 2030	Incorporated by reference to TransDigm Group Incorporated's Form 8-K, filed August 18, 2023 (File No. 001-32833)
4.7	Indenture, dated as of November 28, 2023, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s 7.125% Senior Secured Notes due 2031	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed November 28, 2023 (File No. 001-32833)


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
4.8	Indenture, dated as of February 27, 2024, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s 6.375% Senior Secured Notes due 2029	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 28, 2024 (File No. 001-32833)
4.9	Indenture, dated as of February 27, 2024, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s 6.625% Senior Secured Notes due 2032	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 28, 2024 (File No. 001-32833)
4.1 0	First Supplemental Indenture, dated as of March 22, 2024, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, to the Indenture, dated as of February 27, 2024, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s additional 6.375% Senior Secured Notes due 2029	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed March 22, 2024 (File No. 001-32833)
4.1 1	Indenture, dated as of September 19, 2024, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s 6.000% Senior Secured Notes due 2033	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed September 20, 2024 (File No. 001-32833)
4.1 2	Indenture, dated as of May 20, 2025, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 6.375% Senior Subordinated Notes due 2033	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 20, 2025 (File No. 001-32833)
4.1 3	Indenture, dated as of August 19, 2025, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s 6.250% Senior Secured Notes due 2034	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 20, 2025 (File No. 001-32833)
4.1 4	Indenture, dated as of August 19, 2025, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 6.750% Senior Subordinated Notes due 2034	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 20, 2025 (File No. 001-32833)
4.1 5	Form of Supplemental Indenture to Add New Guarantors	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 19, 2019 (File No. 001-32833)


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
4.1 6	Form of TransDigm Inc.’s 4.625% Senior Subordinated Notes due 2029	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed January 20, 2021 (File No. 001-32833)
4.1 7	Form of TransDigm Inc.’s 4.875% Senior Subordinated Notes due 2029	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed April 21, 2021 (File No. 001-32833)
4.1 8	Form of TransDigm Inc.’s 6.750% Senior Secured Notes due 2028	Incorporated by reference to TransDigm Group Incorporated's Form 8-K, filed February 24, 2023 (File No. 001-32833)
4.19	Form of TransDigm Inc.’s 6.875% Senior Secured Notes due 2030	Incorporated by reference to TransDigm Group Incorporated's Form 8-K, filed August 18, 2023 (File No. 001-32833)
4.2 0	Form of TransDigm Inc.’s 7.125% Senior Secured Notes due 2031	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed November 28, 2023 (File No. 001-32833)
4.2 1	Form of TransDigm Inc.’s 6.375% Senior Secured Notes due 2029	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 28, 2024 (File No. 001-32833)
4.2 2	Form of TransDigm Inc.’s 6.625% Senior Secured Notes due 2032	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 28, 2024 (File No. 001-32833)
4.2 3	Form of TransDigm Inc.’s additional 6.375% Senior Secured Notes due 2029	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed March 22, 2024 (File No. 001-32833)
4.2 4	Form of TransDigm Inc.’s 6.000% Senior Secured Notes due 2033	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed September 20, 2024 (File No. 001-32833)
4.2 5	Form of TransDigm Inc.’s 6.375% Senior Subordinated Notes due 2033	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 20, 2025 (File No. 001-32833)
4.2 6	Form of TransDigm Inc.’s 6.250% Senior Secured Notes due 2034	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 20, 2025 (File No. 001-32833)
4.2 7	Form of TransDigm Inc.’s 6.750% Senior Subordinated Notes due 2034	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 20, 2025 (File No. 001-32833)
4.2 8	Description of Securities	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 19, 2019 (File No. 001-32833)
10.1	Option Agreement dated August 6, 2021 between the Company and W. Nicholas Howley*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 10, 2021 (File No. 001-32833)
10.2	Amended and Restated Employment Agreement, dated July 26, 2023, between TransDigm Group Incorporated and Michael Lisman*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2023 (File No. 001-32833)
10.3	Amended and Restated Employment Agreement, dated October 1, 2025, between the Company and Michael Lisman*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 1, 2025 (File No. 001-32833)


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.4	Amended and Restated Employment Agreement, dated July 26, 2023, between TransDigm Group Incorporated and Joel Reiss*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2023 (File No. 001-32833)
10.5	Amended and Restated Employment Agreement, dated July 26, 2023, between TransDigm Group Incorporated and Sarah Wynne*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2023 (File No. 001-32833)
10.6	Amended and Restated Employment Agreement, dated August 5, 2025, between the Company and Patrick J. Murphy*	Filed Herewith
10.7	Employment Agreement, dated July 7, 2025, between the Company and Armani Vadiee*	Filed Herewith
10.8	Consulting Agreement, dated October 1, 2025, between the Company and Kevin Stein*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 3, 2025 (File No. 001-32833)
10.9	TransDigm Group Incorporated 2006 Stock Incentive Plan*	Incorporated by reference to Amendment No. 3 to TransDigm Group Incorporated’s Form S-1, filed March 13, 2006 (File No. 333-130483)
10.10	Amendment No. 1, dated October 20, 2006, to the TransDigm Group Incorporated 2006 Stock Incentive Plan*	Incorporated by reference to Amendment No. 1 to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed November 7, 2006 (File No. 333-137937)
10.1 1	Second Amendment to TransDigm Group Incorporated 2006 Stock Incentive Plan, dated April 25, 2008*	Incorporated by reference to TransDigm Group Incorporated’s Schedule 14A, filed June 6, 2008 (File No. 001-32833)
10.1 2	Amended and Restated TransDigm Group Incorporated 2014 Stock Option Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 7, 2019 (File No. 001-32833)
10.1 3	TransDigm Group Incorporated 2019 Stock Option Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 4, 2019 (File No. 001-32833)
10.1 4	TransDigm Group Incorporated 2019 Stock Option Plan Dividend Equivalent Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2023 (File No. 001-32833)
10.1 5	TransDigm Group Incorporated 2016 Director Share Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 10, 2016 (File No. 001-32833)
10.16	Form of Stock Option Agreement for options awarded in fiscal 2021*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 12, 2020 (File No. 001-32833)
10.17	Form of Stock Option Agreement for options awarded in fiscal 2022*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 16, 2021 (File No. 001-32833)
10.18	Form of Stock Option Agreement for options awarded in fiscal 2023*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 10, 2022 (File No. 001-32833)
10.19	Form of Stock Option Grant Notice and Agreement for executive officers under the TransDigm Group Incorporated 2019 Stock Option Plan (or TransDigm Group Incorporated 2014 Stock Option Plan) for options awarded in fiscal 2024*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2023 (File No. 001-32833)


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.2 0	Form of Stock Option Grant Notice and Agreement for directors under the TransDigm Group Incorporated 2019 Stock Option Plan for options awarded in fiscal 2024*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2023 (File No. 001-32833)
10.21	Form of Stock Option Grant Notice and Agreement for executive officers under the TransDigm Group Incorporated 2019 Stock Option Plan for options awarded in fiscal 2025*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 7, 2024 (File No. 001-32833)
10.22	Form of Stock Option Grant Notice and Agreement for directors under the TransDigm Group Incorporated 2019 Stock Option Plan for options awarded in fiscal 2025*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 7, 2024 (File No. 001-32833)
10.23	Form of Stock Option Agreement for Director and NEO options awarded in fiscal 2026*	Filed Herewith
10.2 4	Fourth Amended and Restated TransDigm Group Incorporated 2006 Stock Incentive Plan Dividend Equivalent Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 9, 2022 (File No. 001-32833)
10.2 5	Amendment to Fourth Amended and Restated TransDigm Group Incorporated 2006 Stock Incentive Plan Dividend Equivalent Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 10, 2022 (File No. 001-32833)
10.2 6	Amended and Restated TransDigm Group Incorporated 2014 Stock Option Plan Dividend Equivalent Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 9, 2022 (File No. 001-32833)
10.2 7	Amendment to Amended and Restated TransDigm Group Incorporated 2014 Stock Option Plan Dividend Equivalent Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 10, 2022 (File No. 001-32833)
10.2 8	Form of Amendment to Director Options to Effect Changes in Dividend Equivalent Payment Method*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 9, 2022 (File No. 001-32833)
10.29	Amendment and Restatement Agreement, and Second Amendment and Restated Credit Agreement, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, the subsidiaries of TransDigm Inc. from time to time party thereto, the lenders party thereto, as lenders, and Credit Suisse AG, as administrative agent	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed June 6, 2014 (File No. 001-32833)
10.3 0	Incremental Assumption and Refinancing Facility Agreement, dated as of May 14, 2015, among TransDigm Inc., TransDigm Group Incorporated, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 19, 2015 (File No. 001-32833)
10.3 1	Loan Modification Agreement, dated as of May 20, 2015, among TransDigm Inc., TransDigm Group Incorporated, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders party thereto	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 27, 2015 (File No. 001-32833)
10.3 2	Incremental Revolving Credit Assumption and Refinancing Facility Agreement, dated as of May 20, 2015, among TransDigm Inc., TransDigm Group Incorporated, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent and the other agents and lenders party thereto	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 27, 2015 (File No. 001-32833)


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.3 3	Incremental Term Loan Assumption Agreement dated October 14, 2016 among TransDigm Inc., TransDigm Group Incorporated, the subsidiaries of TransDigm Inc. party thereto, the lenders party thereto and Credit Suisse AG, as administrative and collateral agent	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 14, 2016 (File No. 001-32833)
10.3 4	Amendment No. 2 to the Second Amended and Restated Credit Agreement, dated as of March 6, 2017, among TransDigm Inc., as borrower, TransDigm Group Incorporated, as guarantor, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed March 8, 2017 (File No. 001-32833)
10.3 5	Amendment No. 3 to the Second Amended and Restated Credit Agreement, dated as of August 22, 2017, among TransDigm Inc., as borrower, TransDigm Group Incorporated, as guarantor, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 24, 2017 (File No. 001-32833)
10.3 6	Amendment No. 4 to the Second Amended and Restated Credit Agreement, dated as of November 30, 2017, among TransDigm Inc., as borrower, TransDigm Group Incorporated, as guarantor, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed December 6, 2017 (File No. 001-32833)
10.3 7	Refinancing Facility Agreement to the Second Amended and Restated Credit Agreement, dated as of February 22, 2018, among TransDigm Inc., as borrower, TransDigm Group Incorporated, as guarantor, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 22, 2018 (File No. 001-32833)
10.3 8	Amendment No. 5, Incremental Assumption Agreement and Refinancing Facility Agreement, dated as of May 30, 2018, relating to the Second Amended and Restated Credit Agreement, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Credit Suisse AG, as administrative agent and collateral agent for the lenders	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 31, 2018 (File No. 001-32833)
10.39	Amendment No. 6 and Incremental Revolving Credit Assumption Agreement, dated as of March 14, 2019, to the Second Amended and Restated Credit Agreement, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Credit Suisse AG, as administrative agent and collateral agent for the lenders	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed March 14, 2019 (File No. 001-32833)
10.4 0	Amendment No. 7 and Refinancing Facility Agreement, dated as of February 6, 2020, to the Second Amended and Restated Credit Agreement, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Credit Suisse AG, as administrative agent and collateral agent for the lenders	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 6, 2020 (File No. 001-32833)


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.4 1	Amendment No. 8 and Loan Modification Agreement, dated as of May 24, 2021, to the Second Amended and Restated Credit Agreement, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Credit Suisse AG, as administrative agent and collateral agent for the lenders	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 25, 2021 (File No. 001-32833)
10.4 2	Amendment No. 9 and Incremental Revolving Credit Assumption Agreement, dated as of December 29, 2021, to the Second Amended and Restated Credit Agreement, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Credit Suisse AG, as administrative agent and collateral agent for the lenders	Incorporated by reference to TransDigm Group Incorporated's Form 8-K, filed December 30, 2021 (File No. 001-32833)
10.4 3	Amendment No. 10, Loan Modification Agreement and Refinancing Facility Agreement, dated December 14, 2022, to the Second Amended and Restated Credit Agreement, dated June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent (as successor to Credit Suisse AG) for the lenders	Incorporated by reference to TransDigm Group Incorporated's Form 8-K, filed December 14, 2022 (File No. 001-32833)
10.4 4	Amendment No. 11, Loan Modification Agreement and Refinancing Facility Agreement, dated February 24, 2023, to the Second Amended and Restated Credit Agreement, dated June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent for the lenders**	Incorporated by reference to TransDigm Group Incorporated's Form 8-K, filed February 24, 2023 (File No. 001-32833)
10.4 5	Amendment No. 12 to the Second Amended and Restated Credit Agreement, dated June 16, 2023, to the Second Amended and Restated Credit Agreement, dated June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent for the lenders**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2023 (File No. 001-32833)
10.4 6	Amendment No. 13 and Incremental Term Loan Assumption Agreement, dated November 28, 2023, to the Second Amended and Restated Credit Agreement, dated June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent for the lenders**	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed November 28, 2023 (File No. 001-32833)
10.4 7	Amendment No. 14 and Incremental Revolving Credit Assumption Agreement, dated February 27, 2024, to the Second Amended and Restated Credit Agreement, dated June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent for the lenders**	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 28, 2024 (File No. 001-32833)


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.4 8	Amendment No. 15, Loan Modification Agreement and Refinancing Facility Agreement, dated March 22, 2024, relating to the Second Amended and Restated Credit Agreement, dated June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent for the lenders and Amendment, dated March 22, 2024, relating to the Guarantee and Collateral Agreement, dated June 23, 2006, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent for the lenders**	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed March 22, 2024 (File No. 001-32833)
10.49	Amendment No. 16, Loan Modification Agreement and Refinancing Facility Agreement, dated June 4, 2024, to the Second Amended and Restated Credit Agreement, dated June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent for the lenders**	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed June 4, 2024 (File No. 001-32833)
10.5 0	Amendment No. 17 and Incremental Revolving Credit Assumption Agreement, dated September 19, 2024, to the Second Amended and Restated Credit Agreement, dated June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent for the lenders**	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed September 20, 2024 (File No. 001-32833)
10.5 1	Amendment No. 18 and Incremental Term Loan Assumption Agreement, dated as of August 19, 2025, to the Second Amended and Restated Credit Agreement, dated June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Goldman Sachs Bank USA, as administrative agent and collateral agent for the lenders**	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 20, 2025 (File No. 001-32833)
10.5 2	Guarantee and Collateral Agreement, dated as of June 23, 2006, as amended and restated as of December 6, 2010, as further amended and restated as of February 14, 2011 and February 28, 2013, among TransDigm Inc., TransDigm Group Incorporated, the subsidiaries of TransDigm Inc. named therein and Credit Suisse AG as administrative agent and collateral agent	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed March 6, 2013 (File No. 001-32833)
10.5 3	Receivables Purchase Agreement, dated October 21, 2013, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association as a Purchaser and a Purchaser Agent, the various other Purchasers and Purchaser Agents from time to time party thereto, and PNC National Association as Administrator**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
10.5 4	First Amendment to the Receivables Purchase Agreement, dated March 25, 2014, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association as a Purchaser, Purchaser Agent for its Purchaser Group and as Administrator	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2015 (File No. 001-32833)


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.5 5	Second Amendment to the Receivables Purchase Agreement, dated August 8, 2014, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as a Purchaser Agent for its Purchaser Group and Administrator, and Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchase Agent for its Purchaser Group	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2015 (File No. 001-32833)
10.5 6	Third Amendment to the Receivables Purchase Agreement, dated March 20, 2015, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as a Purchaser Agent for its Purchaser Group and Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, and Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchase Agent for its and Atlantic’s Purchaser Group	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2015 (File No. 001-32833)
10.5 7	Fourth Amendment to the Receivables Purchase Agreement dated as of August 4, 2015, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as a Purchaser Agent for its Purchaser Group and Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, and Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchaser Agent for its and Atlantic’s Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 7, 2015 (File No. 001-32833)
10.5 8	Ninth Amendment to the Receivables Purchase Agreement dated as of August 1, 2017, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchaser Agent for its and Atlantic’s Purchaser Group, and Fifth Third Bank, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2017 (File No. 001-32833)
10.59	Tenth Amendment to the Receivables Purchase Agreement dated as of July 31, 2018, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchaser Agent for its and Atlantic’s Purchaser Group, and Fifth Third Bank, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
10.6 0	Eleventh Amendment to the Receivables Purchase Agreement dated as of July 30, 2019, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchaser Agent for its and Atlantic’s Purchaser Group, and Fifth Third Bank, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 19, 2019 (File No. 001-32833)


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.6 1	Twelfth Amendment to the Receivables Purchase Agreement dated as of July 22, 2020, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchaser Agent for its and Atlantic’s Purchaser Group, and Fifth Third Bank, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 12, 2020 (File No. 001-32833)
10.6 2	Thirteenth Amendment to the Receivables Purchase Agreement dated as of July 26, 2021, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, and Fifth Third Bank, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 16, 2021 (File No. 001-32833)
10.6 3	Fourteenth Amendment to the Receivables Purchase Agreement dated as of July 25, 2022, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, and Fifth Third Bank, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 10, 2022 (File No. 001-32833)
10.6 4	Fifteenth Amendment to the Receivables Purchase Agreement dated as of July 25, 2023, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, and Wells Fargo Bank, National Association, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2023 (File No. 001-32833)
10.6 5	Sixteenth Amendment to the Receivables Purchase Agreement dated as of May 28, 2024, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, and Wells Fargo Bank, National Association, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 7, 2024 (File No. 001-32833)
10.6 6	Seventeenth Amendment to the Receivables Purchase Agreement dated as of July 12, 2024, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, and Wells Fargo Bank, National Association, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 6, 2024 (File No. 001-32833)
10.6 7	Eighteenth Amendment to the Receivables Purchase Agreement dated as of July 11, 2025, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, and Wells Fargo Bank, National Association, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group**	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 5, 2025 (File No. 001-32833)
19.1	TransDigm Group Incorporated Amended and Restated Insider Trading and Confidentiality Policy Statement*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 7, 2024 (File No. 001-32833)
21.1	Subsidiaries of TransDigm Group Incorporated	Filed Herewith
22.1	Listing of Subsidiary Guarantors	Filed Herewith
23.1	Consent of Independent Registered Public Accounting Firm	Filed Herewith


Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
31.1	Certification by Principal Executive Officer of TransDigm Group Incorporated pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	Filed Herewith
31.2	Certification by Principal Financial Officer of TransDigm Group Incorporated pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	Filed Herewith
32.1	Certification by Principal Executive Officer of TransDigm Group Incorporated pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	Furnished Herewith
32.2	Certification by Principal Financial Officer of TransDigm Group Incorporated pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	Furnished Herewith
97	TransDigm Group Incorporated Compensation Clawback Policy, dated October 2, 2023*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2023 (File No. 001-32833)
101.INS	Inline XBRL Instance Document: The XBRL Instance Document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document	Filed Herewith
101.SCH	Inline XBRL Taxonomy Extension Schema	Filed Herewith
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase	Filed Herewith
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase	Filed Herewith
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase	Filed Herewith
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase	Filed Herewith
104	Cover Page Interactive Data File: the cover page XBRL tags are embedded within the Inline XBRL document and are contained within Exhibit 101	Filed Herewith



*			Indicates management contract or compensatory plan contract or arrangement.
**			Schedules and exhibits have been omitted pursuant to Item 601(a)(5) of Regulation S-K. The Company hereby undertakes to furnish on a supplemental basis a copy of any omitted schedule or exhibit upon request by the Securities and Exchange Commission.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized on November 12, 2025.


TRANSDIGM GROUP INCORPORATED
By:			/s/ Sarah Wynne
Name:			Sarah Wynne
Title:			Chief Financial Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the following persons on behalf of the registrant and in the capacities and as of the dates indicated.


Signature	Title	Date
/s/ Michael Lisman	President, Chief Executive Officer and Director (Principal Executive Officer)	November 12, 2025
Michael Lisman
/s/ Sarah Wynne	Chief Financial Officer (Principal Financial Officer)	November 12, 2025
Sarah Wynne
/s/ W. Nicholas Howley	Chairman	November 12, 2025
W. Nicholas Howley
/s/ David A. Barr	Director	November 12, 2025
David A. Barr
/s/ Jane M. Cronin	Director	November 12, 2025
Jane M. Cronin
/s/ Michael Graff	Director	November 12, 2025
Michael Graff
/s/ Sean P. Hennessy	Director	November 12, 2025
Sean P. Hennessy
/s/ Gary E. McCullough	Director	November 12, 2025
Gary E. McCullough
/s/ Pete Palmer	Director	November 12, 2025
Pete Palmer
/s/ Michele L. Santana	Director	November 12, 2025
Michele L. Santana
/s/ Robert J. Small	Lead Independent Director	November 12, 2025
Robert J. Small
/s/ Kevin M. Stein	Director	November 12, 2025
Kevin M. Stein

TRANSDIGM GROUP INCORPORATED AND SUBSIDIARIES

ANNUAL REPORT ON FORM 10-K:

FISCAL YEAR ENDED SEPTEMBER 30, 2025

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