UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2024

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number 001-35456

ALLISON TRANSMISSION HOLDINGS, INC.

(Exact name of registrant as specified in its charter)

 

Delaware	26-0414014
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification Number)
One Allison Way
Indianapolis, IN	46222
(Address of principal executive offices)	(Zip Code)

(317) 242-5000

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, $0.01 par value	ALSN	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of July 12, 2024, there were 87,137,881 shares of Common Stock outstanding.

TABLE OF CONTENTS

		Page
	PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements	3
	Condensed Consolidated Balance Sheets	3
	Condensed Consolidated Statements of Comprehensive Income	4
	Condensed Consolidated Statements of Cash Flows	5
	Condensed Consolidated Statements of Stockholders’ Equity	6
	Notes to Condensed Consolidated Financial Statements	8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	24
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	37
Item 4.	Controls and Procedures	38
	PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	39
Item 1A.	Risk Factors	39
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	39
Item 5.	Other Information	40
Item 6.	Exhibits	41
	Signatures	42

2

PART I. FINANCIAL INFORMATION

ITEM 1. Financial Statements

Allison Transmission Holdings, Inc.

Condensed Consolidated Balance Sheets

(unaudited, dollars in millions, except share and per share data)

	June 30, 2024			December 31, 2023
ASSETS
Current Assets
Cash and cash equivalents	$	648		$	555
Accounts receivable – net of allowance for doubtful accounts of $2 and $4, respectively		383			356
Inventories		303			276
Other current assets		89			63
Total Current Assets		1,423			1,250
Property, plant and equipment, net		760			774
Intangible assets, net		826			833
Goodwill		2,075			2,076
Marketable securities		11			20
Other non-current assets		81			72
TOTAL ASSETS	$	5,176		$	5,025
LIABILITIES
Current Liabilities
Accounts payable	$	249		$	210
Product warranty liability		32			32
Current portion of long-term debt		5			6
Deferred revenue		44			41
Other current liabilities		181			212
Total Current Liabilities		511			501
Product warranty liability		27			27
Deferred revenue		92			89
Long-term debt		2,397			2,497
Deferred income taxes		510			519
Other non-current liabilities		155			159
TOTAL LIABILITIES		3,692			3,792
Commitments and contingencies (see Note P)
STOCKHOLDERS’ EQUITY
Common stock, $0.01 par value, 1,880,000,000 shares authorized, 87,193,692 shares issued and outstanding and 87,648,046 shares issued and outstanding, respectively		1			1
Non-voting common stock, $0.01 par value, 20,000,000 shares authorized, none issued and outstanding		—			—
Preferred stock, $0.01 par value, 100,000,000 shares authorized, none issued and outstanding		—			—
Paid in capital		1,919			1,891
Accumulated deficit		(399	)		(628	)
Accumulated other comprehensive loss, net of tax		(37	)		(31	)
TOTAL STOCKHOLDERS’ EQUITY		1,484			1,233
TOTAL LIABILITIES & STOCKHOLDERS’ EQUITY	$	5,176		$	5,025

The accompanying notes are an integral part of the condensed consolidated financial statements.

3

Allison Transmission Holdings, Inc.

Condensed Consolidated Statements of Comprehensive Income

(unaudited, dollars in millions, except per share data)

	Three Months Ended June 30,						Six Months Ended June 30,
	2024			2023			2024			2023
Net sales	$	816		$	783		$	1,605		$	1,524
Cost of sales		422			402			845			782
Gross profit		394			381			760			742
Selling, general and administrative		82			92			168			179
Engineering — research and development		49			47			95			91
Operating income		263			242			497			472
Interest expense, net		(22	)		(28	)		(47	)		(56	)
Other (expense) income, net		(7	)		2			(12	)		12
Income before income taxes		234			216			438			428
Income tax expense		(47	)		(41	)		(82	)		(83	)
Net income	$	187		$	175		$	356		$	345
Basic earnings per share attributable to common stockholders	$	2.15		$	1.94		$	4.05		$	3.79
Diluted earnings per share attributable to common stockholders	$	2.13		$	1.92		$	4.05		$	3.75
Comprehensive income, net of tax	$	187		$	175		$	350		$	342

The accompanying notes are an integral part of the condensed consolidated financial statements.

4

Allison Transmission Holdings, Inc.

Condensed Consolidated Statements of Cash Flows

(unaudited, dollars in millions)

	Six Months Ended June 30,
	2024			2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	356		$	345
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, plant and equipment		54			53
Stock-based compensation		14			11
Unrealized loss (gain) on marketable securities		10			(3	)
Deferred income taxes		(9	)		(17	)
Amortization of intangible assets		7			22
Pension settlement loss		4			—
Technology-related investments loss (gain)		1			(3	)
Other		3			3
Changes in assets and liabilities:
Accounts receivable		(32	)		(19	)
Inventories		(30	)		(55	)
Accounts payable		24			34
Other assets and liabilities		(58	)		(37	)
Net cash provided by operating activities		344			334
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions of long-lived assets		(32	)		(43	)
Investment in equity method investee		(3	)		—
Proceeds from sale of assets		3			—
Proceeds from technology-related investments		—			2
Net cash used for investing activities		(32	)		(41	)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on long-term debt		(102	)		(3	)
Repurchases of common stock		(83	)		(137	)
Dividend payments		(44	)		(43	)
Proceeds from exercise of stock options		24			14
Taxes paid related to net share settlement of equity awards		(9	)		(5	)
Debt financing fees		(4	)		—
Net cash used for financing activities		(218	)		(174	)
Effect of exchange rate changes on cash		(1	)		—
Net increase in cash and cash equivalents		93			119
Cash and cash equivalents at beginning of period		555			232
Cash and cash equivalents at end of period	$	648		$	351
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Income taxes paid	$	(99	)	$	(121	)
Interest paid	$	(62	)	$	(64	)
Interest received from interest rate swaps	$	7		$	5
Non-cash investing activities:
Capital expenditures in liabilities	$	20		$	18

The accompanying notes are an integral part of the condensed consolidated financial statements.

5

Allison Transmission Holdings, Inc.

Condensed Consolidated Statements of Stockholders’ Equity

(unaudited, dollars in millions)

	Three months ended
	Common Stock		Non-voting Common Stock		Preferred Stock		Paid-in Capital		Accumulated (Deficit) Income			Accumulated Other Comprehensive (Loss) Income, net of tax			Stockholders' Equity
Balance at March 31, 2023	$	1	$	—	$	—	$	1,857	$	(845	)	$	(25	)	$	988
Stock-based compensation		—		—		—		6		—			—			6
Pension and OPEB liability adjustment		—		—		—		—		—			(3	)		(3	)
Foreign currency translation adjustment		—		—		—		—		—			(2	)		(2	)
Interest rate swaps		—		—		—		—		—			5			5
Issuance of common stock		—		—		—		5		—			—			5
Repurchase of common stock		—		—		—		—		(97	)		—			(97	)
Dividends on common stock		—		—		—		—		(21	)		—			(21	)
Net income		—		—		—		—		175			—			175
Balance at June 30, 2023	$	1	$	—	$	—	$	1,868	$	(788	)	$	(25	)	$	1,056
Balance at March 31, 2024	$	1	$	—	$	—	$	1,911	$	(533	)	$	(37	)	$	1,342
Stock-based compensation		—		—		—		8		—			—			8
Pension and OPEB liability adjustment		—		—		—		—		—			3			3
Foreign currency translation adjustment		—		—		—		—		—			(2	)		(2	)
Interest rate swaps		—		—		—		—		—			(1	)		(1	)
Repurchase of common stock		—		—		—		—		(31	)		—			(31	)
Dividends on common stock		—		—		—		—		(22	)		—			(22	)
Net income		—		—		—		—		187			—			187
Balance at June 30, 2024	$	1	$	—	$	—	$	1,919	$	(399	)	$	(37	)	$	1,484

The accompanying notes are an integral part of the condensed consolidated financial statements.

6

	Six months ended
	Common Stock		Non-voting Common Stock		Preferred Stock		Paid-in Capital		Accumulated (Deficit) Income			Accumulated Other Comprehensive (Loss) Income, net of tax			Stockholders' Equity
Balance at December 31, 2022	$	1	$	—	$	—	$	1,848	$	(953	)	$	(22	)	$	874
Stock-based compensation		—		—		—		11		—			—			11
Pension and OPEB liability adjustment		—		—		—		—		—			(5	)		(5	)
Interest rate swaps		—		—		—		—		—			2			2
Issuance of common stock		—		—		—		9		—			—			9
Repurchase of common stock		—		—		—		—		(137	)		—			(137	)
Dividends on common stock		—		—		—		—		(43	)		—			(43	)
Net income		—		—		—		—		345			—			345
Balance at June 30, 2023	$	1	$	—	$	—	$	1,868	$	(788	)	$	(25	)	$	1,056
Balance at December 31, 2023	$	1	$	—	$	—	$	1,891	$	(628	)	$	(31	)	$	1,233
Stock-based compensation		—		—		—		14		—			—			14
Pension and OPEB liability adjustment		—		—		—		—		—			1			1
Foreign currency translation adjustment		—		—		—		—		—			(7	)		(7	)
Issuance of common stock		—		—		—		14		—			—			14
Repurchase of common stock		—		—		—		—		(83	)		—			(83	)
Dividends on common stock		—		—		—		—		(44	)		—			(44	)
Net income		—		—		—		—		356			—			356
Balance at June 30, 2024	$	1	$	—	$	—	$	1,919	$	(399	)	$	(37	)	$	1,484

The accompanying notes are an integral part of the condensed consolidated financial statements.

7

Allison Transmission Holdings, Inc.

Notes to Condensed Consolidated Financial Statements

(UNAUDITED)

NOTE A. OVERVIEW

Overview

Allison Transmission Holdings, Inc. and its subsidiaries (“Allison” or the “Company”) design and manufacture vehicle propulsion solutions, including commercial-duty on-highway, off-highway and defense fully automatic transmissions and electric hybrid and fully electric systems. The business was founded in 1915 and has been headquartered in Indianapolis, Indiana since inception. Allison is traded on the New York Stock Exchange under the symbol “ALSN”.

The Company has a global presence by serving customers in North America, Asia, Europe, South America, and Africa, with approximately 75% of its revenues being generated in North America in 2023. The Company serves customers through an independent network of approximately 1,600 independent distributor and dealer locations worldwide.

NOTE B. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation and Principles of Consolidation

The condensed consolidated financial statements have been prepared in accordance with accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, the condensed consolidated financial statements do not include all information and footnotes required by accounting principles generally accepted in the United States of America (“GAAP”) for complete financial statements. The information herein reflects all normal recurring material adjustments, which are, in the opinion of management, necessary for the fair statement of the results for the periods presented. The condensed consolidated financial statements herein consist of all wholly-owned domestic and foreign subsidiaries with all significant intercompany transactions eliminated.

These condensed consolidated financial statements present the financial position, results of comprehensive income, cash flows and statements of stockholders’ equity of the Company. The condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on February 14, 2024. The interim period financial results for the three- and six-month periods presented are not necessarily indicative of results to be expected for any other interim period or for the entire year.

8

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities and the reported amounts of revenue and expenses. Estimates include, but are not limited to, sales incentives, government price adjustments, fair market values and future cash flows associated with goodwill, indefinite-lived intangibles, definite-lived intangibles, long-lived asset impairment tests, useful lives for depreciation and amortization, warranty liabilities, core deposit liabilities, determination of discount rate and other assumptions for pension and other post-retirement benefit ("OPEB") expense, income taxes and deferred tax valuation allowances, derivative valuation, assumptions for business combinations and contingencies. The Company’s accounting policies involve the application of judgments and assumptions made by management that include inherent risks and uncertainties. Actual results could differ materially from these estimates and from the assumptions used in the preparation of the Company's financial statements. Changes in estimates are recorded in results of operations in the period that the events or circumstances giving rise to such changes occur.

Recently Issued Accounting Pronouncements

In November 2023, the Financial Accounting Standards Board ("FASB") issued authoritative accounting guidance expanding public entities’ reportable segment disclosures, primarily through enhanced disclosures about significant segment expenses that are regularly reviewed by the Chief Operating Decision Maker and included within each reported measure of segment profit or loss. The guidance will become effective for the Company starting with its fiscal year ending December 31, 2024 and the subsequent interim periods. The guidance will be applied retrospectively, and the Company does not plan to early adopt. Management is currently evaluating the impact of this guidance on the Company's consolidated financial statements.

In December 2023, the FASB issued authoritative accounting guidance to improve income tax disclosures by requiring disaggregated information about a reporting entity's effective tax rate reconciliation and information on income taxes paid. The guidance will become effective for the Company beginning with its fiscal year ending December 31, 2025. The guidance will be applied prospectively with the option to apply it retrospectively. Management is currently evaluating the impact of this guidance on the Company's consolidated financial statements.

All other recently issued accounting pronouncements were assessed as either not applicable to the Company or were not expected to have a material impact on the Company's condensed consolidated financial statements.

9

NOTE C. REVENUE

Revenue is recognized as each distinct performance obligation within a contract is satisfied. A performance obligation is a promise in a contract to transfer a distinct good or service to the customer. The Company enters into long-term agreements (“LTAs”) and distributor agreements with certain customers. The LTAs and distributor agreements do not include committed volumes until underlying purchase orders are issued; therefore, the Company determined that purchase orders are the contract with a customer. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when the performance obligation is satisfied, as there is no right of return.

Some of the Company's contracts include multiple performance obligations, most commonly the sale of both a transmission and extended transmission coverage ("ETC"). The Company allocates the contract’s transaction price to each performance obligation based on the standalone selling price of each distinct good or service in the contract.

The Company may also use volume-based discounts and rebates as marketing incentives in the sales of both vehicle propulsion solutions and service parts, which are accounted for as variable consideration. The Company records the impact of the incentives as a reduction to revenue when it is determined that the adjustment is not likely to reverse. The Company estimates the impact of all other incentives based on the related sales and market conditions in the end market vocation. The Company recorded no material adjustments based on variable consideration during either of the three or six months ended June 30, 2024 or 2023.

Net sales are made on credit terms, generally 30 days, based on an assessment of the customer’s creditworthiness. For certain goods or services, the Company receives consideration prior to satisfying the related performance obligation. Such consideration is recorded as a contract liability in current and non-current deferred revenue as of June 30, 2024 and December 31, 2023. See "Note J. Deferred Revenue” for more information, including the amount of revenue earned during each of the three and six months ended June 30, 2024 and 2023 that had been previously deferred. The Company had no material contract assets as of either June 30, 2024 or December 31, 2023.

The Company has one operating segment and reportable segment. The Company is in one line of business, which is the manufacture and distribution of vehicle propulsion solutions. The following presents disaggregated revenue by categories that best depict how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors (dollars in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
North America On-Highway	$	456	$	397	$	876	$	773
North America Off-Highway		1		25		5		49
Defense		43		33		91		60
Outside North America On-Highway		128		123		243		231
Outside North America Off-Highway		22		24		64		47
Service Parts, Support Equipment and Other		166		181		326		364
Total Net Sales	$	816	$	783	$	1,605	$	1,524

10

NOTE D. INVENTORIES

Inventories consisted of the following components (dollars in millions):

	June 30, 2024		December 31, 2023
Purchased parts and raw materials	$	146	$	152
Work in progress		18		17
Service parts		60		54
Finished goods		79		53
Total inventories	$	303	$	276

Inventory components shipped to third parties, primarily cores, parts to re-manufacturers, and parts to contract manufacturers, which the Company has an obligation to buy back, are included in purchased parts and raw materials, with an offsetting liability in Other current liabilities. See "Note L. Other Current Liabilities” for more information.

NOTE E. GOODWILL AND OTHER INTANGIBLE ASSETS

As of June 30, 2024 and December 31, 2023, the carrying value of the Company’s Goodwill was $2,075 million and $2,076 million, respectively.

The following presents a summary of other intangible assets (dollars in millions):

	June 30, 2024							December 31, 2023
	Intangible assets, gross		Accumulated amortization			Intangible assets, net		Intangible assets, gross		Accumulated amortization			Intangible assets, net
Other intangible assets:
Trade name	$	791	$	—		$	791	$	791	$	—		$	791
In-process research and development		1		—			1		25		—			25
Customer relationships — commercial		839		(837	)		2		839		(833	)		6
Proprietary technology		508		(480	)		28		484		(479	)		5
Customer relationships — defense		62		(58	)		4		62		(56	)		6
Non-compete agreement		1		(1	)		—		1		(1	)		—
Total	$	2,202	$	(1,376	)	$	826	$	2,202	$	(1,369	)	$	833

In the second quarter of 2024, the Company reclassified $23 million of in-process research and development ("IPR&D") to Proprietary technology. The IPR&D was reclassified upon the completion of the Company's project to develop commercially viable eGen Power products.

Amortization expense related to other intangible assets for the next five fiscal years is expected to be (dollars in millions):

	2025		2026		2027		2028		2029
Amortization expense	$	7	$	3	$	3	$	2	$	2

11

NOTE F. FAIR VALUE OF FINANCIAL INSTRUMENTS

Fair value is the price (exit price) that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The Company utilizes market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated, or generally unobservable. The accounting guidance establishes a fair value hierarchy that prioritizes the inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurement) and the lowest priority to unobservable inputs (Level 3 measurement). The three levels of the fair value hierarchy defined by the relevant guidance are as follows:

Level 1 — Quoted prices are available in active markets for identical assets or liabilities as of the reporting date.

Level 2 — Inputs are other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reporting date. Level 2 includes financial instruments that are valued using quoted prices in markets that are not active and those financial instruments that are valued using models or other valuation methodologies in which all significant value-drivers are observable in active markets or are supported by observable levels at which transactions are executed in the marketplace.

Level 3 — Certain inputs are unobservable or have little or no market data available. These inputs may be used with internally developed methodologies that result in management’s best estimate of fair value. At each balance sheet date, the Company performs an analysis of all instruments subject to authoritative accounting guidance and includes, in Level 3, all of those whose fair value is based on significant unobservable inputs. As of June 30, 2024 and December 31, 2023, the Company did not have any Level 3 financial assets or liabilities.

The Company’s assets and liabilities that are measured at fair value include cash equivalents, marketable securities, derivative instruments, assets held in a rabbi trust and a deferred compensation obligation. The Company’s cash equivalents consist of short-term U.S. government backed securities and time deposits. The Company's marketable securities consist of publicly traded stock of Jing-Jin Electric Technologies Co. Ltd., which has a readily determinable fair value. The Company’s derivative instruments consist of interest rate swaps. The Company’s assets held in the rabbi trust consist principally of publicly available mutual funds and target date retirement funds. The Company’s deferred compensation obligation is directly related to the fair value of assets held in the rabbi trust.

The Company’s valuation techniques used to calculate the fair value of cash equivalents, marketable securities, assets held in the rabbi trust and the deferred compensation obligation represent a market approach in active markets for identical assets that qualify as Level 1 in the fair value hierarchy.

The Company’s valuation techniques used to calculate the fair value of derivative instruments represent a market approach with observable inputs that qualify as Level 2 in the fair value hierarchy. The Company uses valuations from the issuing financial institutions for the fair value measurement of interest rate swaps. The floating-to-fixed interest rate swaps are based on the Secured Overnight Financing Rate ("SOFR"), which is observable at commonly quoted intervals. The fair values are included in other current and non-current assets in the Condensed Consolidated Balance Sheets. See "Note H. Derivatives” for more information regarding the Company's interest rate swaps.

12

The following table summarizes the fair value of the Company’s financial assets and (liabilities) as of June 30, 2024 and December 31, 2023 (dollars in millions):

	Fair Value Measurements Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)						Significant Other Observable Inputs (Level 2)				TOTAL
	June 30, 2024			December 31, 2023			June 30, 2024		December 31, 2023		June 30, 2024			December 31, 2023
Cash equivalents	$	508		$	421		$	—	$	—	$	508		$	421
Marketable securities		11			20			—		—		11			20
Rabbi trust assets		20			18			—		—		20			18
Deferred compensation obligation		(20	)		(18	)		—		—		(20	)		(18	)
Derivative assets		—			—			13		12		13			12
Total	$	519		$	441		$	13	$	12	$	532		$	453

The Company holds equity securities in an unconsolidated entity without a readily determinable fair value. This investment represents a less than a 20% ownership interest in the privately-held affiliate, and the Company does not maintain significant influence over or control of the entity. The Company has elected the measurement alternative and measures the investment at cost, less any impairment, plus or minus adjustments related to observable transactions for the same or similar securities. This equity investment is recorded in Other non-current assets in the Condensed Consolidated Balance Sheets, with changes in the value recorded in Other (expense) income, net in the Consolidated Statements of Comprehensive Income. As of both June 30, 2024 and December 31, 2023, the Company held equity securities without a readily determinable fair value of $5 million.

NOTE G. DEBT

Long-term debt and maturities are as follows (dollars in millions):

	June 30, 2024		December 31, 2023
Long-term debt:
Senior Secured Credit Facility Term Loan, variable, due 2026	$	—	$	618
Senior Notes, fixed 4.75%, due 2027		400		400
Senior Notes, fixed 5.875%, due 2029		500		500
Senior Secured Credit Facility Term Loan, variable, due 2031		517		—
Senior Notes, fixed 3.75%, due 2031		1,000		1,000
Total long-term debt	$	2,417	$	2,518
Less: current maturities of long-term debt		5		6
deferred financing costs, net		15		15
Total long-term debt, net	$	2,397	$	2,497

As of June 30, 2024, the Company had $2,417 million of indebtedness associated with Allison Transmission, Inc.’s (“ATI”), the Company’s wholly-owned subsidiary, 4.75% Senior Notes due October 2027 (“4.75% Senior Notes”), ATI’s 5.875% Senior Notes due June 2029 (“5.875% Senior Notes”), ATI’s 3.75% Senior Notes due January 2031 (“3.75% Senior Notes” and, together with the 4.75% Senior Notes and 5.875% Senior Notes, the “Senior Notes”) and the Second Amended and Restated Credit Agreement dated as of March 29, 2019, as amended (the “Credit Agreement”), governing ATI’s term loan facility in the amount of $517 million due March 2031 (“Term Loan”) and ATI’s revolving credit facility with commitments in the amount of $750 million due March 2029 (“Revolving Credit Facility” and, together with the Term Loan, the “Senior Secured Credit Facility”).

The fair value of the Company’s long-term debt obligations as of June 30, 2024 was $2,276 million. The fair value is based on quoted Level 2 market prices of the Company’s debt as of June 30, 2024. The difference between the fair value and carrying value of the long-term debt is driven primarily by trends in the financial markets.

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Senior Secured Credit Facility

In March 2024, the Company and ATI entered into Amendment No. 4 ("Amendment") to the Credit Agreement, after giving effect to a $101 million principal prepayment, to remove the 0.10% credit spread adjustment to the SOFR benchmark for all available interest periods and increase the commitments under the existing Revolving Credit Facility by $100 million. The Amendment also extended the maturity date of the existing Term Loan from 2026 to 2031 and extended the existing Revolving Credit Facility termination date from 2025 to 2029. With the exception of the items noted above, the terms of the extended Term Loan and Revolving Credit Facility are materially the same as they were prior to the Amendment. The Amendment was treated as a modification to the Senior Secured Credit Facility under GAAP. The Company recorded $4 million as new deferred financing fees in the Condensed Consolidated Balance Sheet and expensed $1 million of prior deferred financing fees in the Condensed Consolidated Statement of Comprehensive Income during the first quarter of 2024.

The borrowings under the Senior Secured Credit Facility are collateralized by a lien on substantially all assets of the Company, ATI and certain existing and future U.S. subsidiary guarantors, as provided in the Credit Agreement. Interest on the Term Loan, as of June 30, 2024, is either (a) 1.75% over a SOFR rate on deposits in U.S. dollars for one-, three- or six-month periods (or a twelve-month period if, at the time of the borrowing, consented to by all relevant lenders and the administrative agent) ("Term SOFR"), or (b) 0.75% over the greater of the prime lending rate as quoted by the administrative agent, the Term SOFR Rate for an interest period of one month plus 1.00% and the federal funds effective rate published by the Federal Reserve Bank of New York plus 0.50%, subject to a 1.00% floor (the "Base Rate"). As of June 30, 2024, the Company elected to pay the lowest all-in rate of Term SOFR plus the applicable margin, or 7.08%, on the Term Loan. The Credit Agreement requires minimum quarterly principal payments on the Term Loan, as well as prepayments from certain net cash proceeds of non-ordinary course asset sales and casualty and condemnation events, the incurrence of certain debt and from a percentage of excess cash flow, if applicable. The minimum required quarterly principal payment on the Term Loan through its maturity date of March 2031 is $1 million. As of June 30, 2024, there had been no payments required for certain net cash proceeds of non-ordinary course asset sales and casualty and condemnation events. The remaining principal balance is due upon maturity.

The Senior Secured Credit Facility also provides a Revolving Credit Facility, net of an allowance for up to $75 million in outstanding letters of credit commitments. During the six months ended June 30, 2024, the Company made no withdrawals on the Revolving Credit Facility. As of June 30, 2024, the Company had $745 million available under the Revolving Credit Facility, net of $5 million in letters of credit. Borrowings under the Revolving Credit Facility bear interest at a variable base rate plus an applicable margin based on the Company’s first lien net leverage ratio. When the Company’s first lien net leverage ratio is above 4.00x, interest on the Revolving Credit Facility is (a) 0.75% over the Base Rate or (b) 1.75% over the Term SOFR Rate; when the Company’s first lien net leverage ratio is equal to or less than 4.00x and above 3.50x, interest on the Revolving Credit Facility is (i) 0.50% over the Base Rate or (ii) 1.50% over the Term SOFR Rate; and when the Company’s first lien net leverage ratio is equal to or below 3.50x, interest on the Revolving Credit Facility is (y) 0.25% over the Base Rate or (z) 1.25% over the Term SOFR Rate. As of June 30, 2024, the applicable margin for the Revolving Credit Facility was 1.25%. In addition, there is an annual commitment fee, based on the Company’s first lien net leverage ratio, on the average unused revolving credit borrowings available under the Revolving Credit Facility. As of June 30, 2024, the commitment fee was 0.25%. Borrowings under the Revolving Credit Facility are payable at the option of the Company throughout the term of the Revolving Credit Facility with the balance due in March 2029.

The Senior Secured Credit Facility requires the Company to maintain a specified maximum first lien net leverage ratio of 5.50x when revolving loan commitments remain outstanding on the Revolving Credit Facility at the end of a fiscal quarter. As of June 30, 2024, the Company had no amounts outstanding under the Revolving Credit Facility; however, the Company would have been in compliance with the maximum first lien net leverage ratio, achieving a (0.12x) ratio. Additionally, within the terms of the Senior Secured Credit Facility, a first lien net leverage

14

ratio at or below 4.00x results in the elimination of excess cash flow payments on the Senior Secured Credit Facility for the applicable year.

In addition, the Credit Agreement, among other things, includes customary restrictions (subject to certain exceptions) on the Company’s ability to incur certain indebtedness, grant certain liens, make certain investments, engage in acquisitions, consolidations and mergers, declare or pay certain dividends or repurchase shares of the Company’s common stock. As of June 30, 2024, the Company was in compliance with all covenants under the Credit Agreement.

Senior Notes

Each series of the Senior Notes is unsecured and is guaranteed by each of ATI’s domestic subsidiaries that is a borrower under or guarantees the Senior Secured Credit Facility and is unconditionally guaranteed, jointly and severally, by any of ATI’s future domestic subsidiaries that are borrowers under or guarantee the Senior Secured Credit Facility. None of ATI’s domestic subsidiaries currently guarantee its obligations under the Senior Secured Credit Facility, and therefore none of ATI’s domestic subsidiaries currently guarantee any series of the Senior Notes. The indentures governing the Senior Notes contain negative covenants restricting or limiting the Company’s ability to, among other things: incur or guarantee additional indebtedness, incur liens, pay dividends on, redeem or repurchase the Company’s capital stock, make certain investments, permit payment or dividend restrictions on certain of the Company’s subsidiaries, sell assets, engage in certain transactions with affiliates, and consolidate or merge or sell all or substantially all of the Company’s assets. As of June 30, 2024, the Company was in compliance with all covenants under the indentures governing the Senior Notes.

ATI may from time to time seek to retire its Senior Notes through cash purchases, exchanges for equity securities, open market purchases, privately negotiated transactions, contractual redemptions or otherwise. Such repurchases or exchanges, if any, will depend on prevailing market conditions, liquidity requirements, contractual restrictions and other factors and will be in accordance with the respective indenture governing such notes. The amounts involved may be material. Some or all of the 4.75% Senior Notes and the 5.875% Senior Notes may be redeemed at any time at redemption prices specified in the indentures governing such notes. Prior to January 30, 2026, ATI may redeem some or all of the 3.75% Senior Notes by paying a price equal to 100.00% of the principal amount being redeemed, plus an “applicable premium”. At any time on or after January 30, 2026, ATI may redeem some or all of the 3.75% Senior Notes at redemption prices specified in the indenture governing such notes.

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NOTE H. DERIVATIVES

The Company is subject to interest rate risk related to the Senior Secured Credit Facility and entered into interest rate swaps to manage a portion of this exposure. The interest rate swaps are designated as cash flow hedges that qualify for hedge accounting under the hypothetical derivative method. During the first quarter of 2024, the Company and ATI entered into the Amendment to the Credit Agreement that changed critical terms of the hedged item. Therefore, the Company performed a quantitative assessment that demonstrated a highly effective hedging relationship that qualifies for hedge accounting under the hypothetical derivative method.

As of June 30, 2024, the Company held interest rate swap contracts that, in the aggregate, effectively hedge $500 million of the variable rate debt associated with the Term Loan at the Term SOFR weighted average fixed rate of 2.81% through September 2025.

Fair value adjustments are recorded as a component of Accumulated other comprehensive loss, net of tax (“AOCL”) in the Condensed Consolidated Balance Sheets. Balances in AOCL are reclassified to earnings when transactions related to the underlying risk are settled. See "Note F. Fair Value of Financial Instruments” for information regarding the fair value of the Company’s interest rate swaps.

The following tabular disclosures further describe the Company’s interest rate derivatives qualifying and designated for hedge accounting and their impact on the financial condition of the Company (dollars in millions):

		Fair Value
	Balance Sheet Location	June 30, 2024		December 31, 2023
Derivative Assets:
Interest rate swaps	Other current assets	$	11	$	7
	Other non-current assets		2		5
Total derivative assets		$	13	$	12

The balance of net derivative gains recorded in AOCL as of June 30, 2024 and December 31, 2023 was $13 million and $12 million, respectively. See "Note O. Accumulated Other Comprehensive Loss” for information regarding activity recorded as a component of AOCL during the three and six months ended June 30, 2024 and 2023. As of June 30, 2024, the Company had approximately $9 million of derivative gains recorded in AOCL expected to be reclassified to earnings within the next twelve months.

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NOTE I. PRODUCT WARRANTY LIABILITIES

As of June 30, 2024, current and non-current product warranty liabilities were $32 million and $27 million, respectively. As of June 30, 2023, current and non-current product warranty liabilities were $25 million and $35 million, respectively.

Product warranty liability activities consisted of the following (dollars in millions):

	Three Months Ended June 30,						Six Months Ended June 30,
	2024			2023			2024			2023
Beginning balance	$	58		$	59		$	59		$	57
Payments		(10	)		(10	)		(22	)		(18	)
Increase in liability (warranty issued during period)		8			9			16			15
Net adjustments to liability		3			2			6			6
Ending balance	$	59		$	60		$	59		$	60

NOTE J. DEFERRED REVENUE

As of June 30, 2024, current and non-current deferred revenue were $44 million and $92 million, respectively. As of June 30, 2023, current and non-current deferred revenue were $46 million and $93 million, respectively.

Deferred revenue activity consisted of the following (dollars in millions):

	Three Months Ended June 30,						Six Months Ended June 30,
	2024			2023			2024			2023
Beginning balance	$	134		$	139		$	130		$	131
Increases		13			11			26			29
Revenue earned		(11	)		(11	)		(20	)		(21	)
Ending balance	$	136		$	139		$	136		$	139

Deferred revenue recorded in current and non-current liabilities related to ETC as of June 30, 2024 was $30 million and $91 million, respectively. Deferred revenue recorded in current and non-current liabilities related to ETC as of June 30, 2023 was $30 million and $84 million, respectively.

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NOTE K. LEASES

Contracts are assessed by the Company to determine if the contract conveys the right to control an identified asset in exchange for consideration during a period of time. The Company classifies all identified leases as either operating or finance leases. As of both June 30, 2024 and December 31, 2023, the Company was not a party to any finance leases. Contracts that contain leases are assessed to determine if the consideration in the contract is related to a lease component, non-lease component or other components not related to the lease. Lease components are recorded as right-of-use (“ROU”) assets and lease liabilities while any non-lease component is expensed as incurred. The consideration in the contract related to other components not related to the lease is allocated among the lease component and the non-lease component, as applicable, based on the stand-alone selling price of the lease and non-lease components.

Certain lease contracts may contain an option to extend or terminate the lease. The Company considers the economic impact of extension and termination options by contract. If the Company concludes it is reasonably certain an option will be exercised, that option is included in the lease term and impacts the amount recorded as an ROU asset and lease liability at inception of the contract.

The Company's lease liability is determined by discounting the future cash flows over the lease period. The Company determines its discount rates utilizing current secured financing rates based on the length of the lease period plus the Company's margin over Term SOFR on the Term Loan. The Company believes this rate effectively represents a borrowing rate the Company could obtain on a debt instrument possessing similar terms as the lease. Lease liabilities are classified between current and non-current liabilities based on the terms of the underlying leases. The weighted average discount rate on operating leases as of June 30, 2024 and December 31, 2023 was 4.79% and 4.75%, respectively.

As of June 30, 2024, the Company recorded current and non-current operating lease liabilities of $5 million and $15 million, respectively. As of December 31, 2023, the Company recorded current and non-current operating lease liabilities of $4 million and $14 million, respectively. The following table reconciles future undiscounted cash flows for operating leases to total operating lease liabilities as of June 30, 2024 (dollars in millions):

	June 30, 2024
For the remainder of 2024	$	3
2025		5
2026		4
2027		3
2028		3
Thereafter		4
Total lease payments	$	22
Less: Interest		2
Present value of operating lease liabilities	$	20

ROU assets are calculated as the related lease liability adjusted for lease incentives, prepayments and the effect of escalating lease payments on period expense. The below table depicts the ROU assets held by the Company based on the underlying asset (dollars in millions):

	June 30, 2024		December 31, 2023
Buildings	$	16	$	15
Equipment		2		2
Land		1		1
Vehicles		1		1
Total ROU assets	$	20	$	19

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The weighted average remaining lease term as of June 30, 2024 and June 30, 2023 was 5.6 years and 5.8 years, respectively.

Operating lease expense was $1 million and $3 million for the three and six months ended June 30, 2024, respectively, and $2 million and $3 million for the three and six months ended June 30, 2023, respectively. Operating lease expense was recorded within Selling, general and administrative and Engineering — research and development on the Company's Condensed Consolidated Statements of Comprehensive Income. There was no material short-term operating lease expense for either of the three or six months ended June 30, 2024 or 2023.

During the six months ended June 30, 2024 and 2023, the Company recorded $4 million and $2 million, respectively, of new ROU assets obtained in exchange for lease obligations.

NOTE L. OTHER CURRENT LIABILITIES

Other current liabilities consist of the following (dollars in millions):

	June 30, 2024		December 31, 2023
Payroll and related costs	$	59	$	89
Sales incentives		37		41
Accrued interest payable		25		24
Vendor buyback obligation		18		18
Taxes payable		18		17
OPEB liability		5		5
Lease liability		5		4
Other accruals		14		14
Total	$	181	$	212

NOTE M. EMPLOYEE BENEFIT PLANS

Components of net periodic benefit cost (credit) consist of the following (dollars in millions):

	Pension Plans						Post-retirement Benefits
	For the Three Months Ended June 30,						For the Three Months Ended June 30,
	2024			2023			2024			2023
Net periodic benefit cost (credit):
Service cost	$	1		$	1		$	—		$	—
Interest cost		2			2			1			1
Expected return on assets		(2	)		(2	)		—			—
Settlement loss		4			—			—			—
Prior service credit		—			—			(2	)		(3	)
Recognized actuarial gain		—			—			(1	)		—
Net periodic benefit cost (credit)	$	5		$	1		$	(2	)	$	(2	)

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	Pension Plans						Post-retirement Benefits
	For the Six Months Ended June 30,						For the Six Months Ended June 30,
	2024			2023			2024			2023
Net periodic benefit cost (credit):
Service cost	$	2		$	2		$	—		$	—
Interest cost		4			4			2			2
Expected return on assets		(4	)		(4	)		—			—
Settlement loss		4			—			—			—
Prior service credit		—			—			(4	)		(5	)
Recognized actuarial gain		—			—			(2	)		(1	)
Net periodic benefit cost (credit)	$	6		$	2		$	(4	)	$	(4	)

The components of net periodic benefit cost (credit) other than the service cost component are included in Other (expense) income, net in the Condensed Consolidated Statements of Comprehensive Income.

In June 2024, the Company completed a pension risk transfer to a third-party insurance company of a portion of its salaried defined benefit pension plan's obligations for certain participants and their beneficiaries. The Company agreed to an annuity contract that was purchased using pension plan assets, resulting in the transfer of $30 million of pension plan assets and $30 million of pension plan benefit obligations to the insurance company. As a result of the transaction, the Company recognized a non-recurring, non-cash $4 million settlement charge for a pro rata portion of previously unrecognized pension plan actuarial net losses, which was recorded in Other (expense) income, net in the Condensed Consolidated Statements of Comprehensive Income for the three and six months ended June 30, 2024.

NOTE N. INCOME TAXES

For the three and six months ended June 30, 2024, the Company recorded total income tax expense of $47 million and $82 million, respectively. The effective tax rate for the three and six months ended June 30, 2024 was 20% and 19%, respectively. For the three and six months ended June 30, 2023, the Company recorded total income tax expense of $41 million and $83 million, respectively. The effective tax rate for each of the three and six months ended June 30, 2023 was 19%.

The need to establish a valuation allowance against the deferred tax assets is assessed periodically based on a more-likely-than-not realization threshold, in accordance with authoritative accounting guidance. Appropriate consideration is given to all positive and negative evidence related to that realization. This assessment considers, among other matters, the nature, frequency and severity of recent losses, forecasts of future profitability, the duration of statutory carry-forward periods, experience with tax attributes expiring unused, and tax planning alternatives. The weight given to these considerations depends upon the degree to which they can be objectively verified.

The Company continues to provide for a valuation allowance on certain of its foreign deferred tax assets. The Company has determined, based on the evaluation of both objective and subjective evidence available, that this valuation allowance is necessary and that it is more likely than not that the deferred tax assets are not fully realizable.

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NOTE O. ACCUMULATED OTHER COMPREHENSIVE LOSS

The following tables reconcile changes in AOCL by component (net of tax, dollars in millions):

	Three months ended
	Pension and OPEB liability adjustments			Interest rate swaps			Foreign currency items			Total
AOCL as of March 31, 2023	$	3		$	12		$	(40	)	$	(25	)
Other comprehensive income (loss) before reclassifications		—			9			(2	)		7
Amounts reclassified from AOCL		(3	)		(3	)		—			(6	)
Income tax expense		—			(1	)		—			(1	)
Net current period other comprehensive (loss) income	$	(3	)	$	5		$	(2	)	$	—
AOCL as of June 30, 2023	$	—		$	17		$	(42	)	$	(25	)
AOCL as of March 31, 2024	$	(4	)	$	12		$	(45	)	$	(37	)
Other comprehensive income (loss) before reclassifications		3			2			(2	)		3
Amounts reclassified from AOCL		1			(4	)		—			(3	)
Income tax (expense) benefit		(1	)		1			—			—
Net current period other comprehensive income (loss)	$	3		$	(1	)	$	(2	)	$	—
AOCL as of June 30, 2024	$	(1	)	$	11		$	(47	)	$	(37	)

	Six months ended
	Pension and OPEB liability adjustments			Interest rate swaps			Foreign currency items			Total
AOCL as of December 31, 2022	$	5		$	15		$	(42	)	$	(22	)
Other comprehensive income before reclassifications		—			7			—			7
Amounts reclassified from AOCL		(6	)		(5	)		—			(11	)
Income tax benefit		1			—			—			1
Net current period other comprehensive (loss) income	$	(5	)	$	2		$	—		$	(3	)
AOCL as of June 30, 2023	$	—		$	17		$	(42	)	$	(25	)
AOCL as of December 31, 2023	$	(2	)	$	11		$	(40	)	$	(31	)
Other comprehensive income (loss) before reclassifications		3			7			(7	)		3
Amounts reclassified from AOCL		(2	)		(7	)		—			(9	)
Net current period other comprehensive loss	$	1		$	—		$	(7	)	$	(6	)
AOCL as of June 30, 2024	$	(1	)	$	11		$	(47	)	$	(37	)

	Amounts reclassified from AOCL
AOCL Components	Three months ended June 30, 2024			Three months ended June 30, 2023			Affected line item in the Condensed Consolidated Statements of Comprehensive Income
Interest rate swaps	$	4		$	3		Interest expense, net
Pension settlement loss		(4	)		—		Other (expense) income, net
Prior service credit		2			3		Other (expense) income, net
Recognized actuarial gain		1			—		Other (expense) income, net
Total reclassifications, before tax	$	3		$	6		Income before income taxes
Income tax expense		(1	)		(1	)	Income tax expense
Total reclassifications, net of tax	$	2		$	5

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	Amounts reclassified from AOCL
AOCL Components	Six months ended June 30, 2024			Six months ended June 30, 2023			Affected line item in the Condensed Consolidated Statements of Comprehensive Income
Interest rate swaps	$	7		$	5		Interest expense, net
Prior service credit		4			5		Other (expense) income, net
Pension settlement loss		(4	)		—		Other (expense) income, net
Recognized actuarial gain		2			1		Other (expense) income, net
Total reclassifications, before tax	$	9		$	11		Income before income taxes
Income tax expense		(2	)		(3	)	Income tax expense
Total reclassifications, net of tax	$	7		$	8

Prior service credits, actuarial gains and pension settlement losses are included in the computation of the Company’s net periodic benefit cost (credit). See "Note M. Employee Benefit Plans” for additional details.

NOTE P. COMMITMENTS AND CONTINGENCIES

The Company is party to various legal actions and administrative proceedings and subject to various claims arising in the ordinary course of business. These proceedings primarily involve commercial claims, product liability claims, personal injury claims and workers’ compensation claims. The Company believes that the ultimate liability, if any, in excess of amounts already provided for in the condensed consolidated financial statements or covered by insurance on the disposition of these matters will not have a material adverse effect on the financial position, results of operations or cash flows of the Company.

NOTE Q. EARNINGS PER SHARE

The following table reconciles the numerators and denominators used to calculate basic EPS and diluted EPS (in millions, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Net income	$	187	$	175	$	356	$	345
Weighted average shares of common stock outstanding		87		90		88		91
Dilutive effect of stock-based awards		1		1		—		1
Diluted weighted average shares of common stock outstanding		88		91		88		92
Basic earnings per share attributable to common stockholders	$	2.15	$	1.94	$	4.05	$	3.79
Diluted earnings per share attributable to common stockholders	$	2.13	$	1.92	$	4.05	$	3.75

The dilutive impact of stock-based compensation is calculated using the treasury stock method. The treasury stock method assumes that the Company uses the proceeds from the exercise of awards to repurchase common stock at the average market price during the period. For each of the three and six months ended June 30, 2024, there were no outstanding stock options excluded from the diluted EPS calculation because they were anti-dilutive. For each of the three and six months ended June 30, 2023, 1 million outstanding stock options were excluded from the diluted EPS calculation because they were anti-dilutive. Basic and diluted EPS for the full-year are calculated using the weighted average shares of common stock outstanding during the year while quarterly basic and diluted EPS are calculated using the weighted average shares of common stock outstanding during the quarter; therefore, the sum of each quarter's EPS may not equal full-year EPS.

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NOTE R. COMMON STOCK

The Company's Board of Directors has authorized the Company to repurchase up to $4,000 million of its common stock pursuant to a stock repurchase program (the "Repurchase Program"). During the three and six months ended June 30, 2024, the Company repurchased $31 million and $83 million, respectively, of its common stock under the Repurchase Program, leaving $689 million of authorized repurchases remaining under the Repurchase Program as of June 30, 2024. The Repurchase Program has no termination date, and the timing and amount of stock purchases are subject to market conditions and corporate needs. The Repurchase Program may be modified, suspended or discontinued at any time at the Company’s discretion.

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ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis is intended to help the reader understand our business, financial condition, results of operations, liquidity and capital resources. You should read this discussion in conjunction with our condensed consolidated interim financial statements and the related notes contained elsewhere in this Quarterly Report on Form 10-Q.

The statements in this discussion regarding industry trends, our expectations regarding our future performance, liquidity and capital resources and other non-historical statements are forward-looking statements. These forward-looking statements are subject to numerous risks and uncertainties, including, but not limited to, the risks and uncertainties described in “Cautionary Note Regarding Forward-Looking Statements” and Part II, Item 1A “Risk Factors” below, and in Part I, Item 1A "Risk Factors" in our Annual Report on Form 10-K for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on February 14, 2024. Our actual results may differ materially from those contained in or implied by any forward-looking statements.

Overview

Allison Transmission Holdings, Inc. and its subsidiaries (“Allison,” the “Company,” “we,” “us” or “our”) design and manufacture vehicle propulsion solutions, including commercial-duty on-highway, off-highway and defense fully automatic transmissions and electric hybrid and fully electric systems. The business was founded in 1915 and has been headquartered in Indianapolis, Indiana since inception. Allison is traded on the New York Stock Exchange under the symbol “ALSN”.

We have a global presence by serving customers in North America, Asia, Europe, South America, and Africa, with approximately 75% of our revenues being generated in North America in 2023. We serve customers through an independent network of approximately 1,600 independent distributor and dealer locations worldwide.

Trends Impacting Our Business

In January 2024, the International Union, United Automobile, Aerospace and Agricultural Implement Workers of America ("UAW") Local 933 ratified a new four-year collective bargaining agreement with us that expires in November 2027. We have experienced and expect to continue to experience a significant increase in labor costs under the terms of this new agreement.

In 2024, we expect higher net sales driven by price increases on certain products, increased North America On-Highway and Defense end market demand and the continued execution of growth initiatives.

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Second Quarter Net Sales by End Market (dollars in millions)

End Market	Q2 2024 Net Sales		Q2 2023 Net Sales		% Variance
North America On-Highway	$	456	$	397		15	%
North America Off-Highway		1		25		(96	)%
Defense		43		33		30	%
Outside North America On-Highway		128		123		4	%
Outside North America Off-Highway		22		24		(8	)%
Service Parts, Support Equipment and Other		166		181		(8	)%
Total Net Sales	$	816	$	783		4	%

North America On-Highway end market net sales were up 15% for the second quarter 2024 compared to the second quarter 2023, principally driven by strength in demand for Class 8 vocational vehicles and medium-duty trucks and price increases on certain products.

Global Off-Highway net sales were down 53% for the second quarter 2024 compared to the second quarter 2023, principally driven by lower demand from the energy sector in North America and the mining and construction sectors outside of North America, partially offset by strength in demand from the energy sector outside of North America.

Defense end market net sales were up 30% for the second quarter 2024 compared to the second quarter 2023, principally driven by increased demand for Tracked vehicle applications.

Outside North America On-Highway end market net sales were up 4% for the second quarter 2024 compared to the second quarter 2023, principally driven by higher demand in Asia and price increases on certain products, partially offset by lower demand in Europe.

Service Parts, Support Equipment and Other end market net sales were down 8% for the second quarter 2024 compared to the second quarter 2023, principally driven by lower demand for North America service parts and aluminum die cast components, partially offset by higher demand for global support equipment.

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Key Components of our Results of Operations

Net sales

We generate our net sales primarily from the sale of vehicle propulsion solutions, service and component parts, support equipment, defense kits, engineering services, royalties and extended transmission coverage to a wide array of original equipment manufacturers, distributors and the U.S. government. Sales are recorded in accordance with the terms of the contract, net of provisions for customer incentives and other rebates. Engineering services are recorded as net sales in accordance with the terms of the contract. The associated costs are recorded in cost of sales. We also have royalty agreements with third parties that provide net sales as a result of joint efforts in developing marketable products.

Cost of sales

Our primary components of cost of sales are purchased parts, the overhead expense related to our manufacturing operations and direct labor associated with the manufacture and assembly of vehicle propulsion solutions and parts. For the six months ended June 30, 2024, direct material costs were approximately 65%, overhead costs were approximately 27%, and direct labor costs were approximately 8% of cost of sales. We are subject to changes in our cost of sales caused by movements in underlying commodity prices. We seek to hedge against this risk by using long-term agreements (“LTAs”), as appropriate. See Part I, Item 3, “Quantitative and Qualitative Disclosures about Market Risk—Commodity Price Risk” included below.

Selling, general and administrative

The principal components of our selling, general and administrative expenses are salaries and benefits for our office personnel, advertising and promotional expenses, product warranty expense, expenses relating to certain information technology systems and amortization of our intangible assets.

Engineering — research and development

We incur costs in connection with research and development programs that are expected to contribute to future earnings. Such costs are expensed as incurred.

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Non-GAAP Financial Measures

We use Adjusted Earnings before Interest, Taxes, Depreciation, and Amortization (“EBITDA”) and Adjusted EBITDA as a percent of net sales to measure our operating profitability. We believe that Adjusted EBITDA and Adjusted EBITDA as a percent of net sales provide management, investors and creditors with useful measures of the operational results of our business and increase the period-to-period comparability of our operating profitability and comparability with other companies. Adjusted EBITDA as a percent of net sales is also used in the calculation of management’s incentive compensation program. The most directly comparable U.S. generally accepted accounting principles (“GAAP”) measure to Adjusted EBITDA and Adjusted EBITDA as a percent of net sales is Net income and Net income as a percent of net sales, respectively. Adjusted EBITDA is calculated as earnings before interest expense, net, income tax expense, amortization of intangible assets, depreciation of property, plant and equipment and other adjustments as defined by the Second Amended and Restated Credit Agreement dated as of March 29, 2019, as amended (the “Credit Agreement”), governing Allison Transmission, Inc.’s (“ATI”), our wholly-owned subsidiary, term loan facility in the amount of $517 million due March 2031 (“Term Loan”) and ATI’s revolving credit facility with commitments in the amount of $750 million due March 2029 ("Revolving Credit Facility" and, together with the Term Loan, the "Senior Secured Credit Facility"). Adjusted EBITDA as a percent of net sales is calculated as Adjusted EBITDA divided by net sales.

We use Adjusted free cash flow to evaluate the amount of cash generated by our business that, after the capital investment needed to maintain and grow our business and certain mandatory debt service requirements, can be used for repayment of debt, stockholder distributions and strategic opportunities, including investing in our business. We believe that Adjusted free cash flow enhances the understanding of the cash flows of our business for management, investors and creditors. Adjusted free cash flow is also used in the calculation of management’s incentive compensation program. The most directly comparable GAAP measure to Adjusted free cash flow is Net cash provided by operating activities. Adjusted free cash flow is calculated as Net cash provided by operating activities after additions of long-lived assets.

The following is a reconciliation of Net income and Net income as a percent of net sales to Adjusted EBITDA and Adjusted EBITDA as a percent of net sales and a reconciliation of Net cash provided by operating activities to Adjusted free cash flow:

	Three Months Ended June 30,						Six Months Ended June 30,
(unaudited, dollars in millions)	2024			2023			2024			2023
Net income (GAAP)	$	187		$	175		$	356		$	345
plus:
Income tax expense		47			41			82			83
Depreciation of property, plant and equipment		27			27			54			53
Interest expense, net		22			28			47			56
Stock-based compensation expense (a)		8			6			14			11
UAW Local 933 contract signing incentives (b)		—			—			14			—
Unrealized loss (gain) on marketable securities (c)		3			—			10			(3	)
Amortization of intangible assets		2			11			7			22
Pension plan settlement loss (d)		4			—			4			—
Technology-related investments loss (gain) (e)		1			—			1			(3	)
Loss associated with impairment of long-lived assets		—			—			1			—
Adjusted EBITDA (Non-GAAP)	$	301		$	288		$	590		$	564
Net sales (GAAP)	$	816		$	783		$	1,605		$	1,524
Net income as a percent of net sales (GAAP)		22.9	%		22.3	%		22.2	%		22.6	%
Adjusted EBITDA as a percent of net sales (Non-GAAP)		36.9	%		36.8	%		36.8	%		37.0	%
Net cash provided by operating activities (GAAP)	$	171		$	141		$	344		$	334
Deductions to reconcile to Adjusted free cash flow:
Additions of long-lived assets		(21	)		(19	)		(32	)		(43	)
Adjusted free cash flow (Non-GAAP)	$	150		$	122		$	312		$	291

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(a)Represents stock-based compensation expense (recorded in Cost of sales, Selling, general and administrative, and Engineering — research and development).

(b)Represents non-recurring incentives (recorded in Cost of sales, Selling, general and administrative, and Engineering - research and development) to eligible employees as a result of UAW Local 933 represented employees ratifying a four-year collective bargaining agreement effective through November 2027.

(c)Represents a loss (gain) (recorded in Other (expense) income, net) related to an investment in the common stock of Jing-Jin Electric Technologies Co. Ltd.

(d)Represents a non-cash settlement charge (recorded in Other (expense) income, net) for a pro rata portion of previously unrecognized pension plan actuarial net losses associated with the pension risk transfer of a portion of our salaried defined benefit pension plan obligations to a third-party insurance company.

(e)Represents a loss (gain) (recorded in Other (expense) income, net) related to investments in co-development agreements to expand our position in propulsion solution technologies.

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Results of Operations

Comparison of three months ended June 30, 2024 and 2023

The following table sets forth certain financial information for the three months ended June 30, 2024 and 2023. The following table and discussion should be read in conjunction with the information contained in our condensed consolidated financial statements and the notes thereto included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

	Three Months Ended June 30,
(unaudited, dollars in millions)	2024			% of net sales			2023			% of net sales
Net sales	$	816			100	%	$	783			100	%
Cost of sales		422			52			402			51
Gross profit		394			48			381			49
Operating expenses:
Selling, general and administrative		82			10			92			12
Engineering — research and development		49			6			47			6
Total operating expenses		131			16			139			18
Operating income		263			32			242			31
Interest expense, net		(22	)		(2	)		(28	)		(4	)
Other (expense) income, net		(7	)		(1	)		2			1
Income before income taxes		234			29			216			28
Income tax expense		(47	)		(6	)		(41	)		(6	)
Net income	$	187			23	%	$	175			22	%

Net sales

Net sales for the quarter ended June 30, 2024 were $816 million compared to $783 million for the quarter ended June 30, 2023, an increase of 4%. The increase was principally driven by a $59 million, or 15%, increase in net sales in the North America On-Highway end market principally driven by strength in demand for Class 8 vocational vehicles and medium-duty trucks and price increases on certain products, a $10 million, or 30%, increase in net sales in the Defense end market principally driven by increased demand for Tracked vehicle applications and a $5 million, or 4%, increase in net sales in the Outside North America On-Highway end market principally driven by higher demand in Asia and price increases on certain products, partially offset by lower demand in Europe, partially offset by a $26 million, or 53%, decrease in Global Off-Highway net sales principally driven by lower demand from the energy sector in North America and the mining and construction sectors outside of North America, partially offset by strength in demand from the energy sector outside of North America, and a $15 million, or 8%, decrease in net sales in the Service Parts, Support Equipment and Other end market principally driven by lower demand for North America service parts and aluminum die cast components, partially offset by higher demand for global support equipment.

Cost of sales

Cost of sales for the quarter ended June 30, 2024 was $422 million compared to $402 million for the quarter ended June 30, 2023, an increase of 5%. The increase was principally driven by higher manufacturing expense.

Gross profit

Gross profit for the quarter ended June 30, 2024 was $394 million compared to $381 million for the quarter ended June 30, 2023, an increase of 3%. The increase was principally driven by $21 million of price increases on certain products and $4 million of increased net sales, partially offset by $12 million of higher manufacturing expense. Gross profit as a percent of net sales for the three months ended June 30, 2024 decreased 40 basis points compared to the same period in 2023 principally driven by increased cost of sales and unfavorable product mix, partially offset by price increases on certain products.

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Selling, general and administrative

Selling, general and administrative expenses for the quarter ended June 30, 2024 were $82 million compared to $92 million for the quarter ended June 30, 2023, a decrease of 11%. The decrease was principally driven by lower intangible amortization expense.

Engineering — research and development

Engineering expenses for the quarter ended June 30, 2024 were $49 million compared to $47 million for the quarter ended June 30, 2023, an increase of 4%.

Interest expense, net

Interest expense, net for the quarter ended June 30, 2024 was $22 million compared to $28 million for the quarter ended June 30, 2023, a decrease of 21%. The decrease was principally driven by higher interest income on cash and cash equivalents and lower interest expense on ATI's Term Loan due primarily to the repayment of $101 million of principal in the first quarter of 2024.

Other (expense) income, net

Other (expense) income, net for the quarter ended June 30, 2024 was ($7) million compared to $2 million for the quarter ended June 30, 2023. The change was principally driven by a $4 million non-cash defined benefit pension plan settlement charge and a $3 million change in unrealized mark-to-market adjustments for marketable securities.

Income tax expense

Income tax expense for the three months ended June 30, 2024 was $47 million, resulting in an effective tax rate of 20%, compared to $41 million of income tax expense and an effective tax rate of 19% for the three months ended June 30, 2023. The increase in income tax expense was principally driven by higher taxable income.

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Comparison of six months ended June 30, 2024 and 2023

The following table sets forth certain financial information for the six months ended June 30, 2024 and 2023. The following table and discussion should be read in conjunction with the information contained in our condensed consolidated financial statements and the notes thereto included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

	Six Months Ended June 30,
(unaudited, dollars in millions)	2024			% of net sales			2023			% of net sales
Net sales	$	1,605			100	%	$	1,524			100	%
Cost of sales		845			53			782			51
Gross profit		760			47			742			49
Operating expenses:
Selling, general and administrative		168			10			179			12
Engineering — research and development		95			6			91			6
Total operating expenses		263			16			270			18
Operating income		497			31			472			31
Interest expense, net		(47	)		(3	)		(56	)		(3	)
Other (expense) income, net		(12	)		(1	)		12			—
Income before income taxes		438			27			428			28
Income tax expense		(82	)		(5	)		(83	)		(5	)
Net income	$	356			22	%	$	345			23	%

Net sales

Net sales for the six months ended June 30, 2024 were $1,605 million compared to $1,524 million for the six months ended June 30, 2023, an increase of 5%. The increase was principally driven by a $103 million, or 13%, increase in net sales in the North America On-Highway end market principally driven by strength in demand for Class 8 vocational and medium-duty trucks and price increases on certain products, a $31 million, or 52%, increase in net sales in the Defense end market principally driven by increased demand for Tracked vehicle applications, partially offset by lower demand for wheeled vehicle applications and a $12 million, or 5%, increase in net sales in the Outside North America On-Highway end market principally driven by higher demand in Asia and price increases on certain products, partially offset by lower demand in Europe, partially offset by a $38 million, or 10%, decrease in net sales in the Service Parts, Support Equipment and Other end market principally driven by lower demand for North America service parts and aluminum die cast components, partially offset by higher demand for global support equipment and a $27 million, or 28%, decrease in Global Off-Highway net sales principally driven by lower demand from the energy sector in North America, partially offset by strength in demand from the energy sector outside of North America.

Cost of sales

Cost of sales for the six months ended June 30, 2024 was $845 million compared to $782 million for the six months ended June 30, 2023, an increase of 8%. The increase was principally driven by higher manufacturing expense, including $13 million of non-recurring UAW contract signing incentives, and higher direct material costs.

Gross profit

Gross profit for the six months ended June 30, 2024 was $760 million compared to $742 million for the six months ended June 30, 2023, an increase of 2%. The increase was principally driven by $35 million of price increases on certain products and $24 million related to increased net sales, partially offset by $24 million of higher manufacturing expense, $13 million of non-recurring UAW contract signing incentives and $4 million of higher direct material costs. Gross profit as a percent of net sales for the six months ended June 30, 2024 decreased 130 basis points compared to the same period in 2023 principally driven by increased cost of sales, including $13 million of

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non-recurring UAW contract signing incentives, partially offset by price increases on certain products and increased net sales.

Selling, general and administrative

Selling, general and administrative expenses for the six months ended June 30, 2024 were $168 million compared to $179 million for the six months ended June 30, 2023, a decrease of 6%. The decrease was principally driven by lower intangible amortization expense, partially offset by higher commercial activities spending.

Engineering — research and development

Engineering expenses for the six months ended June 30, 2024 were $95 million compared to $91 million for the six months ended June 30, 2023, an increase of 4%. The increase was principally driven by increased product initiatives spending.

Interest expense, net

Interest expense, net for the six months ended June 30, 2024 was $47 million compared to $56 million for the six months ended June 30, 2023, a decrease of 16%. The decrease was principally driven by higher interest income on cash and cash equivalents.

Other (expense) income, net

Other (expense) income, net for the six months ended June 30, 2024 was ($12) million compared to $12 million for the six months ended June 30, 2023. The change was principally driven by a $13 million change in unrealized mark-to-market adjustments for marketable securities, a $4 million non-cash defined benefit pension plan settlement charge and a $4 million change in technology-related investments gains and losses.

Income tax expense

Income tax expense for the six months ended June 30, 2024 was $82 million, resulting in an effective tax rate of 19%, compared to $83 million of income tax expense and an effective tax rate of 19% for the six months ended June 30, 2023.

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Liquidity and Capital Resources

We generate cash primarily from our operations to fund our operating, investing and financing activities. Our principal uses of cash are operating expenses, capital expenditures, working capital needs, debt service, dividends on common stock, stock repurchases and strategic growth initiatives, including investments, acquisitions and collaborations. Our ability to generate cash in the future and our future uses of cash are subject to general economic, financial, competitive, legislative, regulatory and other factors that may be beyond our control. We had total available cash and cash equivalents of $648 million and $555 million as of June 30, 2024 and December 31, 2023, respectively. Of the available cash and cash equivalents, $140 million was deposited in operating accounts and $508 million was invested in U.S. government backed securities and time deposits as of June 30, 2024, compared to $134 million deposited in operating accounts and $421 million invested in U.S. government backed securities as of December 31, 2023.

As of June 30, 2024, the total of cash held by foreign subsidiaries was $74 million, the majority of which was at our subsidiaries located in China, India, Japan and the Netherlands. We manage our worldwide cash requirements considering available funds among the subsidiaries through which we conduct our business and the cost effectiveness with which those funds can be accessed. As a result, we do not currently anticipate that local liquidity restrictions will preclude us from funding our targeted initiatives or operating needs with local resources.

We have not recognized any deferred tax liabilities associated with earnings in foreign subsidiaries, except for our subsidiary located in China, as they are intended to be permanently reinvested and used to support foreign operations or have no associated tax requirements. We have recorded a deferred tax liability of $3 million for the tax liability associated with the remittance of previously taxed income and unremitted earnings for our subsidiary located in China. The remaining deferred tax liabilities, if recorded, related to unremitted earnings that are indefinitely reinvested are not material.

Our liquidity requirements are significant, primarily due to our debt service requirements. As of June 30, 2024, we had $517 million of indebtedness associated with ATI’s Term Loan, $400 million of indebtedness associated with ATI’s 4.75% Senior Notes due October 2027 (“4.75% Senior Notes”), $500 million of indebtedness associated with ATI’s 5.875% Senior Notes due June 2029 (“5.875% Senior Notes”) and $1,000 million of indebtedness associated with ATI’s 3.75% Senior Notes due January 2031 (“3.75% Senior Notes” and, together with the 4.75% Senior Notes and 5.875% Senior Notes, the “Senior Notes”). Short-term and long-term debt service liquidity requirements consist of $1 million of minimum required quarterly principal payments on ATI’s Term Loan through its maturity date of March 2031 and periodic interest payments on ATI’s Term Loan and the Senior Notes. There are no required quarterly principal payments on the Senior Notes. Long-term debt service liquidity requirements also consist of the payment in full of any remaining principal balance of ATI’s Term Loan and the Senior Notes upon their respective maturity dates.

We made $102 million and $3 million of principal payments on the Term Loan during the six months ended June 30, 2024 and 2023, respectively. Our ability to make payments on and refinance our indebtedness and to fund planned capital expenditures and growth initiatives will depend on our ability to generate cash in the future.

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The Senior Secured Credit Facility provides for a $750 million Revolving Credit Facility, net of an allowance for up to $75 million in outstanding letter of credit commitments. As of June 30, 2024, we had $745 million available under the Revolving Credit Facility, net of $5 million in letters of credit. As of June 30, 2024, we had no amounts outstanding under the Revolving Credit Facility. If we have commitments outstanding on the Revolving Credit Facility at the end of a fiscal quarter, the Senior Secured Credit Facility requires us to maintain a specified maximum first lien net leverage ratio of 5.50x. Additionally, within the terms of the Senior Secured Credit Facility, a first lien net leverage ratio at or below 4.00x results in the elimination of excess cash flow payments on the Senior Secured Credit Facility for the applicable year. As of June 30, 2024, our first lien net leverage ratio was (0.12x). The Senior Secured Credit Facility also provides certain financial incentives based on our first lien net leverage ratio. A first lien net leverage ratio at or below 4.00x and above 3.50x results in a 25 basis point reduction to the applicable margin on the Revolving Credit Facility. A first lien net leverage ratio at or below 3.50x results in an additional 25 basis point reduction to the applicable margin on the Revolving Credit Facility. These reductions remain in effect as long as we achieve a first lien net leverage ratio at or below the related threshold.

In addition, the Credit Agreement includes, among other things, customary restrictions (subject to certain exceptions) on our ability to incur certain indebtedness, grant certain liens, make certain investments, engage in acquisitions, consolidations and mergers, declare or pay certain dividends, and repurchase shares of our common stock. The indentures governing the Senior Notes contain negative covenants restricting or limiting our ability to, among other things, incur or guarantee additional indebtedness, incur liens, pay dividends on, redeem or repurchase our capital stock, make certain investments, permit payment or dividend restrictions on certain of our subsidiaries, sell assets, engage in certain transactions with affiliates, and consolidate or merge or sell all or substantially all of our assets. As of June 30, 2024, we are in compliance with all covenants under the Senior Secured Credit Facility and indentures governing the Senior Notes.

Our credit ratings and outlook are reviewed periodically by Moody’s Ratings (“Moody’s”) and Fitch Ratings, Inc. (“Fitch”). As of June 30, 2024, our credit ratings from both Moody's and Fitch are shown in the table below:

	June 30, 2024
Credit Ratings	Moody's	Fitch
Corporate Credit	Ba1	BB+
Term Loan	Baa2	BBB-
4.75% Senior Notes	Ba2	BB+
5.875% Senior Notes	Ba2	BB+
3.75% Senior Notes	Ba2	BB+

Our Board of Directors has authorized us to repurchase up to $4,000 million of our common stock pursuant to a stock repurchase program (the "Repurchase Program"). During the six months ended June 30, 2024, we repurchased $83 million of our common stock under the Repurchase Program. All of the repurchase transactions during the six months ended June 30, 2024 were settled in cash during the same period. As of June 30, 2024, we had approximately $689 million available under the Repurchase Program.

The following table shows our sources and uses of funds for the six months ended June 30, 2024 and 2023 (dollars in millions):

	Six Months Ended June 30,
Statements of Cash Flows Data	2024			2023
Cash flows provided by operating activities	$	344		$	334
Cash flows used for investing activities	$	(32	)	$	(41	)
Cash flows used for financing activities	$	(218	)	$	(174	)

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Generally, cash provided by operating activities has been adequate to fund our operations. We have significant liquidity, including $648 million of cash and cash equivalents and $745 million available under the Revolving Credit Facility, net of $5 million of letters of credit, as of June 30, 2024. At this time, we believe cash provided by operating activities, cash and cash equivalents and borrowing capacity under the Revolving Credit Facility will be sufficient to meet our known and anticipated cash requirements for the next twelve months and thereafter.

Cash provided by operating activities

Operating activities for the six months ended June 30, 2024 generated $344 million of cash compared to $334 million for the six months ended June 30, 2023. The increase was principally driven by lower cash income taxes and higher gross profit, partially offset by higher cash incentive compensation payments and non-recurring UAW contract signing incentive payments.

Cash used for investing activities

Investing activities for the six months ended June 30, 2024 used $32 million of cash compared to $41 million for the six months ended June 30, 2023. The decrease was principally driven by an $11 million decrease in capital expenditures.

Cash used for financing activities

Financing activities for the six months ended June 30, 2024 used $218 million of cash compared to $174 million for the six months ended June 30, 2023. The increase was principally driven by $99 million of increased payments on our long-term debt and $4 million of debt financing fees associated with the amendment of the Credit Agreement governing our Senior Secured Credit Facility, partially offset by $54 million of lower stock repurchases under the Repurchase Program and $10 million of higher proceeds from the exercise of stock options.

Contingencies

We are a party to various legal actions and administrative proceedings and subject to various claims arising in the ordinary course of business, including those relating to commercial transactions, product liability, personal injury and workers’ compensation, safety, health, taxes, environmental and other matters. For more information, see "Note P. Commitments and Contingencies” of our condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

Critical Accounting Policies and Significant Accounting Estimates

A discussion of our critical accounting policies and significant accounting estimates is included in Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on February 14, 2024. The preparation of the condensed consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of some assets and liabilities and, in some instances, the reported amounts of revenues and expenses during the applicable reporting period. Actual results could differ materially from these estimates. Changes in estimates are recorded in results of operations in the period that the events or circumstances giving rise to such changes occur. Within the context of these critical accounting estimates, we are not currently aware of any reasonably likely events or circumstances that would result in different policies or estimates being reported for the three and six months ended June 30, 2024.

Recently Issued Accounting Pronouncements

See "Note B. Summary of Significant Accounting Policies” in Part I, Item 1, of this Quarterly Report on Form 10-Q.

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Cautionary Note Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements. The words “believe,” “expect,” “anticipate,” “intend,” “estimate” and other expressions that are predictions of or indicate future events and trends and that do not relate to historical matters identify forward-looking statements. You should not place undue reliance on these forward-looking statements. Although forward-looking statements reflect management’s good faith beliefs, reliance should not be placed on forward-looking statements because they involve known and unknown risks, uncertainties and other factors, which may cause actual results, performance or achievements to differ materially from anticipated future results, performance or achievements expressed or implied by such forward-looking statements. Forward-looking statements speak only as of the date the statements are made. We undertake no obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future events, changed circumstances or otherwise. These forward-looking statements are subject to numerous risks and uncertainties, including, but not limited to: our participation in markets that are competitive; our ability to prepare for, respond to and successfully achieve our objectives relating to technological and market developments, competitive threats and changing customer needs, including with respect to electric hybrid and fully electric commercial vehicles; increases in cost, disruption of supply or shortage of labor, freight, raw materials, energy or components used to manufacture or transport our products or those of our customers or suppliers, including as a result of geopolitical risks, wars and pandemics; global economic volatility; general economic and industry conditions, including the risk of recession; labor strikes, work stoppages or similar labor disputes, which could significantly disrupt our operations or those of our principal customers or suppliers; the highly cyclical industries in which certain of our end users operate; uncertainty in the global regulatory and business environments in which we operate; the concentration of our net sales in our top five customers and the loss of any one of these; the failure of markets outside North America to increase adoption of fully automatic transmissions; the success of our research and development efforts, the outcome of which is uncertain; U.S. and foreign defense spending; risks associated with our international operations, including acts of war and increased trade protectionism; the discovery of defects in our products, resulting in delays in new model launches, recall campaigns and/or increased warranty costs and reduction in future sales or damage to our brand and reputation; our ability to identify, consummate and effectively integrate acquisitions and collaborations; and risks related to our indebtedness.

Important factors that could cause actual results to differ materially from our expectations are disclosed in Part I, Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on February 14, 2024 and Part II, Item 1A of this Quarterly Report on Form 10-Q. All written and oral forward-looking statements attributable to us, or persons acting on our behalf, are expressly qualified in their entirety by these cautionary statements as well as other cautionary statements that are made from time to time in our other Securities and Exchange Commission filings or public communications. You should evaluate all forward-looking statements made in this Quarterly Report on Form 10-Q in the context of these risks and uncertainties.

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ITEM 3. Quantitative and Qualitative Disclosures About Market Risk

Our exposure to market risk consists of changes in interest rates, foreign currency rate fluctuations and movements in commodity prices.

Interest Rate Risk

Our principal interest rate exposure relates to outstanding amounts under our Senior Secured Credit Facility. Our Senior Secured Credit Facility provides for variable rate borrowings of up to $1,262 million, including our $517 million Term Loan and $745 million under our Revolving Credit Facility, net of $5 million of letters of credit. As of June 30, 2024, we held interest rate swap contracts that, in the aggregate, effectively hedge $500 million of the variable rate debt associated with the Term Loan at the forward-looking term rate based on the Secured Overnight Financing Rate weighted average fixed rate of 2.81% through September 2025. A one-eighth percent increase or decrease in assumed interest rates for the Senior Secured Credit Facility, if fully drawn as of June 30, 2024, would have an impact of approximately $1 million on interest expense per year. As of June 30, 2024, we had no outstanding borrowings against the Revolving Credit Facility.

Exchange Rate Risk

While our net sales and costs are denominated primarily in U.S. Dollars, net sales, costs, assets and liabilities are generated in other currencies including Brazilian Real, British Pound, Canadian Dollar, Chinese Yuan Renminbi, Euro, Hungarian Forint, Indian Rupee and Japanese Yen. The expansion of our business outside North America may further increase the risk that cash flows resulting from these activities may be adversely affected by changes in currency exchange rates.

Assuming current levels of foreign currency transactions, a 10% aggregate increase or decrease in the Chinese Yuan Renminbi, Euro, Indian Rupee, and Japanese Yen would correspondingly change our earnings, net of tax, by an estimated $6 million per year. We believe our other direct exposure to foreign currencies is immaterial.

Commodity Price Risk

We are subject to changes in our cost of sales caused by movements in underlying commodity prices. As of June 30, 2024, approximately 65% of our cost of sales consisted of purchased components. A substantial portion of the purchased parts are made of aluminum and steel. The cost of aluminum parts includes an adjustment factor on future purchases for fluctuations in aluminum prices based on accepted industry indices. In addition, a substantial amount of steel-based contracts also includes an index-based component. As our costs change, we are able to pass through a portion of the changes in commodity prices to certain of our customers according to our LTAs. We historically have not entered into long-term purchase contracts related to the purchase of aluminum and steel.

Assuming current levels of commodity purchases, a 10% variation in the price of aluminum and steel would correspondingly change our earnings by approximately $8 million and $13 million per year, respectively.

Many of our LTAs have incorporated a cost-sharing arrangement related to potential future commodity price fluctuations. For purposes of the sensitivity analysis above, the impact of these cost sharing arrangements has not been included.

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ITEM 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) as of the end of the period covered by this report. In designing and evaluating the disclosure controls and procedures, management recognized that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and procedures must reflect the fact that there are resource constraints and that management is required to apply its judgment in evaluating the benefits of possible controls and procedures relative to their costs.

Based on the evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures as of the end of the period covered by this Quarterly Report on Form 10-Q were effective to provide reasonable assurance that information we are required to disclose in reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) during the period covered by this Quarterly Report on Form 10-Q that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

From time to time, we are a party to various legal actions in the normal course of our business, including those related to commercial transactions, product liability, personal injury and workers’ compensation, safety, health, taxes, environmental and other matters. Information pertaining to legal proceedings can be found in "Note P. Commitments and Contingencies” in the notes to the condensed consolidated financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q, which information is incorporated herein by reference.

Item 1A. Risk Factors

There have been no material changes from our risk factors as previously reported in Part I, Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2023 as filed with the Securities and Exchange Commission on February 14, 2024.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

The following table sets forth information related to our repurchases of our common stock on a monthly basis during the three months ended June 30, 2024:

	Total Number of Shares Purchased		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs(1)
April 1 – April 30, 2024		137,413	$	80.03		137,413	$	709,723,434
May 1 – May 31, 2024		146,356	$	75.15		146,356	$	698,724,858
June 1 – June 30, 2024		129,307	$	74.25		129,307	$	689,123,446
		413,076	$	76.49		413,076

(1)These values reflect the amounts that may be repurchased under the Repurchase Program approved by the Board of Directors on November 14, 2016 and the increases approved by the Board of Directors on November 8, 2017, July 30, 2018, May 9, 2019 and February 24, 2022, which in the aggregate total authorized repurchases of $4,000 million. The Repurchase Program has no termination date.

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Item 5. Other Information

Insider Trading Arrangements

The following table sets forth information related to the Company's directors and officers who adopted, modified or terminated any contract, instruction or written plan for the purchase or sale of Company securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) ("Rule 10b5-1 trading arrangement") or any “non-Rule 10b5-1 trading arrangement,” as such term is defined in Item 408(c) of Regulation S-K, during the three months ended June 30, 2024:

				Trading Arrangement
Name	Title	Action	Date	Rule 10b5-1*	Non-Rule 10b5-1**	Total Shares to be Sold		Expiration Date
Thomas Eifert	Vice President, Quality, Planning and Program Management	Adopted	5/13/2024	X			7,943	5/5/2025

* Intended to satisfy the affirmative defense of Rule 10b5-1(c)

** Not intended to satisfy the affirmative defense of Rule 10b5-1(c)

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Item 6. Exhibits

(a) Exhibits

Exhibit Number	Description
10.1	Allison Transmission Holdings, Inc. 2024 Equity Incentive Award Plan (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed May 10, 2024)
10.2	Eighth Amended and Restated Non-Employee Director Compensation Policy (filed herewith)
10.3	Form of 2024 Equity Incentive Award Plan Restricted Stock Unit Agreement (filed herewith)
10.4	Form of 2024 Equity Incentive Award Plan Stock Option Agreement (filed herewith)
10.5	Form of 2024 Equity Incentive Award Plan Performance Stock Unit Agreement (filed herewith)
31.1	Certification of Chief Executive Officer pursuant to Rule 13a-14(a)/15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (filed herewith)
31.2	Certification of Chief Financial Officer pursuant to Rule 13a-14(a)/15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (filed herewith)
32.1	Certification of Periodic Report by Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (filed herewith)
101.INS	Inline XBRL Instance Document (filed herewith)
101.SCH	Inline XBRL Taxonomy Extension Schema With Embedded Linkbase Document (filed herewith)
104	Cover Page Interactive Data File – The cover page from the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2024, formatted in Inline XBRL and contained in Exhibit 101

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SIGNATURES

Pursuant to the requirements 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.

		ALLISON TRANSMISSION HOLDINGS, INC.
Date: July 26, 2024	By:	/s/ David S. Graziosi
		Name:	David S. Graziosi
		Title:	Chair, President and Chief Executive Officer (Principal Executive Officer)
Date: July 26, 2024	By:	/s/ G. Frederick Bohley
		Name:	G. Frederick Bohley
		Title:	Chief Operating Officer, Chief Financial Officer and Treasurer (Principal Financial Officer and Principal Accounting Officer)

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