COMPANY OVERVIEW



As a leading global tier 1 automotive and mobility supplier, AAM designs,
engineers and manufactures Driveline and Metal Forming technologies to support
electric, hybrid and internal combustion vehicles. Headquartered in Detroit with
over 80 facilities in 18 countries, AAM is bringing the future faster for a
safer and more sustainable tomorrow.

We are a primary supplier of driveline components to General Motors Company (GM)
for its full-size rear-wheel drive (RWD) light trucks, sport utility vehicles
(SUV), and crossover vehicles manufactured in North America, supplying a
significant portion of GM's rear axle and four-wheel drive and all-wheel drive
(4WD/AWD) axle requirements for these vehicle platforms. We also supply GM with
various products from our Metal Forming segment. Sales to GM were approximately
40% of our consolidated net sales in 2022, 37% in 2021, and 39% in 2020.

We also supply driveline system products to Stellantis N.V. (Stellantis) for
programs including the heavy-duty Ram full-size pickup trucks and its
derivatives and the AWD Chrysler Pacifica. In addition, we sell various products
to Stellantis from our Metal Forming segment. Sales to Stellantis were
approximately 18% of our consolidated net sales in 2022, and 19% in both 2021
and 2020.

We are also a supplier to Ford Motor Company (Ford) for driveline system
products on certain vehicle programs including the Bronco Sport, Maverick, Edge,
Escape and Lincoln Nautilus, and we also sell various products to Ford from our
Metal Forming segment. Sales to Ford were approximately 12% of our consolidated
net sales in 2022, 2021 and 2020.

No other customer represented 10% or more of consolidated net sales during these periods.

Supply Chain Constraints Impacting the Automotive Industry



During 2022, the automotive industry has experienced, and continues to
experience, significant disruptions in the supply chain, including a shortage of
semiconductor chips used by our customers, increased metal and commodity costs,
higher utility costs, increased transportation costs, higher labor costs and
labor shortages. As a result, we have experienced increased volatility in our
production schedules, including manufacturing downtime, often with little notice
from customers, higher inventory levels and increased labor costs, which have
negatively impacted our results of operations and cash flows during this period.
We continue to work with customers and suppliers in our effort to protect
continuity of supply as we expect these challenges to continue in 2023. Due to
the ongoing uncertainty associated with the impact of the COVID-19 pandemic, the
conflict between Russia and Ukraine and other factors causing, or exacerbating,
these supply chain constraints, the ultimate impact on our net sales, results of
operations and cash flows is unknown.

INDUSTRY TRENDS



There are a number of significant trends affecting the markets in which we
compete. Intense competition, volatility in the price of raw materials,
including steel, aluminum, and other metallic materials, and resources used in
vehicle electrification and electronic components, labor shortages and increased
labor costs, fluctuations in exchange rates and interest rates and significant
pricing pressures remain. At the same time, there is a focus on investing in
future products that will incorporate the latest technology and meet changing
customer demands as certain original equipment manufacturers (OEMs) place
increased emphasis on the development of battery and hybrid electric vehicles.
The ability to respond timely to the continued advancement of technology and
product innovation, as well as the capability to source programs on a global
basis, are critical to attracting and retaining business in our global markets.


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INCREASED INVESTMENT IN VEHICLE ELECTRIFICATION AND DEMAND FOR EMISSIONS
REDUCTIONS The electrification of vehicles continues to expand, driven by a
shift in focus by certain OEMs toward battery and hybrid electric vehicles,
government regulations related to emissions, such as the Corporate Average Fuel
Economy standards, and consumer demand for greater vehicle performance, enhanced
functionality, increased electronic content and vehicle connectivity, reduced
environmental impact and affordable convenience options. As vehicle
electrification and electronic components become an increasingly larger focus
for OEMs and suppliers, the industry has seen, and will likely continue to see,
competition to develop and market new and alternative technologies, including
from new market entrants such as non-traditional automotive companies and
technology companies. Further, some traditional automotive industry participants
are developing strategic partnerships with technology companies as each party
seeks to leverage the existing customer relationships and technical knowledge of
the partner, and expedite the development and commercialization of this new
technology. An area of focus will be the product development cycle and bridging
the gap between the shorter development cycles of information technology (IT)
software and controls and the longer development cycles of traditional
powertrain components. OEMs and suppliers are developing new products, such as
hybrid and electric vehicles and the associated vehicle components, and are
improving existing products to reduce emissions through lightweighting and
efficiency initiatives, such as higher speed transmissions, and downsized
engines.

We are responding, in part, with ongoing research and development (R&D)
activities to develop hybrid and electric driveline systems and related
subsystems and components. In 2022, AAM's electric drive innovations were
recognized by Automotive News with three PACE awards, which are among the
industry's most prestigious awards regarding innovation. AAM's electric drive
technology on the Mercedes-AMG GT 63 S E Performance was awarded a PACE award,
as well as a PACE Innovation Partnership award for our high level of
collaboration with Mercedes-AMG on the program. AAM's highly integrated
three-in-one wheel-end electric drive unit was awarded a PACEpilot Innovation to
Watch award, which recognizes post-pilot, pre-commercial innovation in the
automotive and future mobility industry. Additionally, we have continued to
enhance our product portfolio to allow us to meet our customers' needs for high
performance vehicles with reduced emissions and reduced environmental impact
through our acquisition of Tekfor Group (Tekfor) during 2022. Tekfor is a
leading provider of driveline and powertrain components for both internal
combustion (ICE) and hybrid vehicles, as well as e-mobility applications.

Through our e-drive systems, e-beam axle technology, lightweight axles,
high-efficiency axles, all-wheel drive systems, high-strength connecting rod
technology, refined vibration control systems and forged axle tubes, we have
significantly advanced our efforts to improve ride and handling performance,
while reducing emissions and mass. To date, our hybrid and electric driveline
systems have been awarded multiple contracts and received multiple awards, and
our efforts have positioned us to compete in the evolving global marketplace.

INCREASED FOCUS ON ENVIRONMENTAL, SOCIAL AND GOVERNANCE (ESG) INITIATIVES AND
REPORTING There has been a growing focus on ESG initiatives and reporting,
including those related to Diversity, Equity, and Inclusion (DEI), by industry
stakeholders, including customers, suppliers, providers of debt and equity
capital, regulators and those in the workforce. These topics are increasingly
driving decisions made by our stakeholders. Particularly within the automotive
industry, trends toward electrification and reduced emissions have increased
focus on the environmental impact of OEMs and suppliers. The ability of OEMs and
suppliers to continually communicate and meet expectations on ESG programs and
initiatives will impact their competitive advantage to attract and retain
business, as well as a skilled workforce.

We have responded to this trend by implementing and launching programs and
initiatives addressing each topic under ESG, such as E4 (E-to-the-fourth), AAM's
energy and environmental sustainability program to drive continuous improvement
in our operations by reducing energy consumption, greenhouse gas (GHG) emissions
and water use while minimizing waste and lessening the environmental impact of
our production operations. Also, as part of our continued focus on reducing GHG
emissions, during 2022 we committed to reaching net-zero carbon emissions by
2040, and achieved the validation of our net-zero emissions targets by the
climate-action organization Science Based Targets Initiative (SBTi). The SBTi is
a partnership between CDP (formerly known as the Climate Disclosure Project),
the United Nations Global Compact, World Resources Institute (WRI) and the World
Wide Fund for Nature (WWF) that drives ambitious climate action in the private
sector by enabling companies to set greenhouse gas emissions reduction targets
that are in line with what the latest climate science deems necessary to meet
the goals of the Paris Agreement.


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AAM's commitment to DEI begins with our Board of Directors (Board). The Board's
active oversight reflects the importance of our DEI journey to our business and
demonstrates the power of accountability to this critical initiative. With
oversight from our Board and direction from senior leadership, our DEI Steering
Committee (DEI Committee) helps to ensure that our initiatives are guided by the
experiences and recommendations of our associates. Comprised of talented and
diverse associates, the DEI Committee helps develop new company initiatives
designed to advance a respectful and inclusive company culture and to reinforce
the importance of inclusion at AAM. Refer to Item 1. Business - Human Capital
Management, for specific DEI highlights.

An in-depth review of non-financial metrics and strategies related to our ESG
initiatives and programs is included in our annual Sustainability Report, which
includes more details on our sustainability programs, initiatives and future
objectives. This report and other ESG areas of focus, such as AAM's leadership,
are made available to stakeholders through our company website. While evolving
expectations and reporting standards are driving increased ESG reporting, this
trend aligns with our cultural values and commitment to profitably grow our
business in a way that is sustainable and socially responsible.

SHIFT IN CONSUMER PREFERENCE AND OEM PRODUCTION TO LIGHT TRUCK, CROSS-OVER
VEHICLES (CUVs) AND SPORT-UTILITY VEHICLES (SUVs) There has been a trend toward
increased demand for light trucks, CUVs and SUVs in certain markets, while
demand for passenger cars has decreased. This increase in demand for light
trucks, CUVs and SUVs has been driven by changes in consumer preference as
technology advancements have made these vehicles lighter and more efficient.
Certain OEMs are responding to this change in consumer preference by shifting
their focus to developing and manufacturing these types of vehicles, resulting
in a significant reduction of passenger car vehicle programs, especially in
North America. We have benefited from this trend as a significant portion of our
business supports light truck, CUV and SUV programs in North America.

GLOBAL AUTOMOTIVE PRODUCTION AND INDUSTRY CONSOLIDATION Our customers continue
to design their products to meet demand in global markets and therefore require
global support from their suppliers. For this reason, it is critical that
suppliers maintain a global presence in these markets in order to compete for
new contracts. We have business and engineering offices around the world to
support our global locations and provide technical solutions to our customers on
a regional basis, including in North America, which represents the largest
portion of our core business, as well as in China and Europe where consumer
acceptance of electric vehicles has been stronger.

During 2022, the automotive industry experienced, and continues to experience,
significant disruptions in the supply chain, including a shortage of
semiconductor chips used by our customers, increased metal and commodity costs,
higher utility costs, increased transportation costs, higher labor costs and
labor shortages. We continue to work with customers and suppliers in our effort
to protect continuity of supply as we expect these challenges to continue in
2023.

The cyclical nature of the automotive industry, volatile commodity prices, the
shifting demands of consumer preference, regulatory requirements and trade
agreements require OEMs and suppliers to remain agile with regard to product
development and global capability. A critical objective for OEMs and suppliers
is the ability to meet these global demands while effectively managing costs.
Some OEMs and suppliers may be preparing for these challenges through merger and
acquisition (M&A) activity, development of strategic partnerships and reduction
of vehicle platform complexity. In order to effectively drive technology
development, recognize cost synergies, and increase global footprint, the
industry may continue to see consolidation in the supply base as companies
recognize and respond to the need for scalability.

In addition to AAM's technology development relationships and organic growth in
technology and processes, our joint venture partnerships and strategic
acquisitions, including the Tekfor acquisition during 2022, have provided us
with complementary technologies, expanded our product portfolio, diversified our
global customer base, and strengthened our long-term financial profile through
greater scale. The synergies achieved, or expected to be achieved through our
strategic initiatives, enhance AAM's ability to compete in today's technological
and regulatory environment, while remaining cost competitive through increased
scale and integration.


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EVOLUTION OF THE AUTOMOTIVE INDUSTRY AS DEMAND FOR AUTONOMOUS VEHICLES AND
RIDE-SHARING INCREASES A developing trend is the expectation that autonomous,
self-driving cars are expected to become more common with continued advancements
in technology, including applications such as last mile delivery. Autonomous
vehicles present many possible benefits, such as a reduction in traffic
collisions caused by human error and reduced traffic congestion, but there are
also foreseeable challenges such as liability for damage and software safety and
reliability. The increased integration of electronics and vehicle connectivity
that will likely be required in autonomous vehicle developments will provide an
opportunity for suppliers with advanced capabilities in this area to be
competitive in this expanding market.

With population growth, increased government regulations to ease congestion and
generational shifts in preferences, it is expected that the markets for
ride-sharing services will continue to grow, which could cause a change in the
type of vehicles utilized. However, the growth in this area has been curtailed
by the impact of COVID-19, as social distancing recommendations have led to
reduced utilization of ride-sharing services by consumers.

VOLUMES AND OUTLOOK



Our results of operations, financial condition and cash flows are significantly
impacted by fluctuations in production volumes on the vehicle programs that we
support. The following table represents historical and forecasted light vehicle
production volumes in North America as our business is most significantly
impacted by production volume fluctuations in this region. As our business is
dependent on certain automotive segments, primarily the light truck, SUV and CUV
segments, production volume fluctuations for the light vehicle market as a whole
may not necessarily be indicative of the vehicle programs that we support.

                                            (units in millions, except percentages)
                                 2023 Outlook                   % change      2022      % change      2021
  North America                                        15.1        5.6  %      14.3       10.0  %      13.0

  Source: IHS Markit January 2023

Production volumes in North America increased in 2022 as compared to 2021, as the impact of the semiconductor shortage and other supply chain constraints lessened in 2022 as compared to 2021.



We expect production volumes in North America to be in the range of 14.5 million
to 15.1 million units in 2023, and we expect volumes in all other geographic
regions in which we operate to increase in 2023, as compared to 2022. These
expected increases are primarily the result of projected improvements in the
supply chain as the disruptions that adversely impacted production volumes
continue to diminish, including the impact of the semiconductor chip shortage on
our customers.




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The discussion of our Results of Operations, Reportable Segments, and Liquidity
and Capital Resources for 2021, as compared to 2020, can be found within "Part
II - Item 7. Management's Discussion and Analysis of Financial Condition and
Results of Operations" in our   2021 Annual Report on Form 10-K   filed with the
Securities and Exchange Commission (SEC) on February 11, 2022, which discussion
is incorporated herein by reference.

RESULTS OF OPERATIONS

NET SALES

                                       Year Ended December 31,
(in millions)           2022           2021         Change       Percent Change
Net sales            $ 5,802.4      $ 5,156.6      $ 645.8               12.5  %


The increase in sales in 2022, as compared to 2021, reflects approximately $204
million as a result of our acquisition of Tekfor in the second quarter of 2022.
In addition, we estimate that sales in 2022 and 2021 were impacted by the
semiconductor shortage and other supply chain constraints affecting the
automotive industry by approximately $418 million and $607 million,
respectively, resulting in an increase in sales of approximately $189 million
for the year ended December 31, 2022. Sales in 2022 were also positively
impacted, as compared to 2021, by an increase in production volumes on certain
light truck and CUV programs that we support in North America.

COST OF GOODS SOLD

                                          Year Ended December 31,
(in millions)              2022           2021         Change       Percent Change
Cost of goods sold      $ 5,097.5      $ 4,433.9      $ 663.6               15.0  %


The change in cost of goods sold reflects an increase of approximately $146
million as the impact on production volumes of the semiconductor shortage and
other supply chain constraints affecting the automotive industry lessened in the
year ended December 31, 2022, as compared to the year ended December 31, 2021,
and cost of goods sold increased by approximately $202 million as a result of
our acquisition of Tekfor in the second quarter of 2022. Cost of goods sold was
also impacted by increased production volumes on certain light truck and CUV
programs that we support in North America, as well as a net increase in
manufacturing costs, including metal and commodity costs, and costs for labor,
utilities and transportation.

In 2021, one of our Major Customers announced its intention to cease production
operations in Brazil in 2021 as part of their restructuring actions. This
decision impacted certain of the programs that we support and, as a result, we
accelerated depreciation on certain property, plant and equipment beginning in
the first quarter of 2021. The impact on cost of goods sold of this acceleration
was approximately $32 million in the year ended December 31, 2021.

Materials costs as a percentage of total cost of goods sold were approximately
60% in both 2022 and 2021.

GROSS PROFIT

                                     Year Ended December 31,
(in millions)           2022         2021        Change       Percent Change
Gross profit         $  704.9      $ 722.7      $ (17.8)              (2.5) %


Gross margin was 12.1% in 2022 as compared to 14.0% in 2021. Gross profit and
gross margin were impacted by the factors discussed in Net sales and Cost of
goods sold above.

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SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (SG&A)



                                                                           Year Ended December 31,
(in millions)                                       2022                 2021                Change             Percent Change
Selling, general and administrative
expenses                                      $     345.1            $    344.2          $       0.9                      0.3  %


SG&A as a percentage of net sales was 5.9% in 2022 as compared to 6.7% in 2021.
R&D spending was $144.0 million in 2022 as compared to $116.8 million in 2021,
which includes customer engineering, design and development (ED&D) recoveries of
approximately $15 million in 2021. The change in SG&A expense in 2022, as
compared to 2021, was primarily attributable to increased R&D expense, partially
offset by lower compensation-related expense.

AMORTIZATION OF INTANGIBLE ASSETS Amortization expense for the year ended December 31, 2022 was $85.7 million as compared to $85.8 million for the year ended December 31, 2021.



RESTRUCTURING AND ACQUISITION-RELATED COSTS Restructuring and
acquisition-related costs were $30.2 million in 2022 and $49.4 million in 2021.
As part of our restructuring actions, we incurred severance charges of
approximately $3.5 million, as well as implementation costs, consisting
primarily of plant exit costs and professional fees, of approximately $18.2
million during 2022. In 2021, we incurred severance charges of approximately
$2.9 million, as well as implementation costs, consisting primarily of plant
exit costs and professional fees, of approximately $40.3 million. We expect to
incur approximately $10 million to $20 million of total restructuring costs in
2023.

Acquisition-related costs and integration charges of $8.5 million were incurred
in 2022 as we completed our acquisition of Tekfor and furthered the integration
of other acquisitions completed in prior periods. This compares to $6.2 million
of acquisition-related costs and integration charges incurred in 2021 as we
completed our acquisition of a manufacturing facility in Emporium, Pennsylvania
and furthered the integration of global enterprise planning (ERP) systems at
legacy MPG locations. Acquisition-related costs primarily consist of advisory,
legal, accounting, valuation and certain other professional or consulting fees
incurred, and integration expenses primarily reflect costs for information
technology infrastructure and enterprise resource planning systems, and
consulting fees incurred in conjunction with integration activities. We expect
to incur up to $10 million of integration costs in 2023 associated with our 2022
acquisition of Tekfor. See Note 2 - Restructuring and Acquisition-Related Costs
for further detail.

LOSS ON SALE OF BUSINESS In 2021, we completed the sale of our ownership
interest in a consolidated joint venture. As a result of the sale and
deconsolidation of this joint venture, we recognized a loss of $2.7 million.
This loss is presented in the Loss on sale of business line item of our
Consolidated Statement of Operations for the year ended December 31, 2021. See
Note 16 - Acquisitions and Dispositions for further detail.

OPERATING INCOME Operating income was $243.9 million in 2022 as compared to
$240.6 million in 2021. Operating margin was 4.2% in 2022 as compared to 4.7% in
2021. The changes in operating income and operating margin in 2022, as compared
to 2021, were due to the factors discussed in Net sales, Cost of goods sold,
SG&A and Restructuring and acquisition-related costs above.

INTEREST EXPENSE Interest expense was $174.5 million in 2022 and $195.2 million
in 2021. The decrease in interest expense in 2022, as compared to 2021, was
primarily the result of our ongoing debt reduction initiatives and the impact of
our previous debt refinancing actions. The weighted-average interest rate of our
total debt outstanding was 5.7% in 2022 and 5.8% in 2021. We expect our interest
expense in 2023 to be approximately $195 million to $205 million.

INTEREST INCOME Interest income was $17.0 million in 2022 and $10.9 million in
2021. Interest income primarily includes interest earned on cash and cash
equivalents, realized and unrealized gains and losses on our short-term
investments during the period, and the deferred payment obligation associated
with the sale of our former Casting segment, as well as the impact of the
interest rate differential on our fixed-to-fixed cross-currency swap.


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OTHER INCOME (EXPENSE) Following are the components of Other Income (Expense) for 2022 and 2021:



Debt refinancing and redemption costs In March 2022, we entered into the Amended
and Restated Credit Agreement (Amended and Restated Credit Agreement), which,
among other things, increased the principal amount of the Term Loan A Facility
(Term Loan A Facility) to $520.0 million, extended the maturity date of the Term
Loan A Facility and the Revolving Credit Facility (Revolving Credit Facility)
and established the use of updated reference rates. As a result, we expensed
$0.2 million of debt refinancing costs related to the Amended and Restated
Credit Agreement in 2022. See Note 4 - Long-Term Debt for further detail on the
Amended and Restated Credit Agreement.

In December 2022, we entered into the Refinancing Facility Agreement No.1
(Refinancing Facility Agreement), under the Amended and Restated Credit
Agreement and established a new Term Loan B Facility of $675.0 million.
Additionally, the Refinancing Facility Agreement, among other things, extended
the maturity date of the Term Loan B Facility and established the use of updated
reference rates. As a result, we expensed $0.4 million of debt refinancing costs
related to the Refinancing Facility Agreement. See Note 4 - Long-Term Debt for
further detail on the Refinancing Facility Agreement.

In 2022, prior to entering into the Refinancing Facility Agreement, we made
voluntary prepayments totaling $100.0 million on our then outstanding term loan
B facility. As a result, we expensed approximately $0.6 million for the
write-off of a portion of the unamortized debt issuance costs that we had been
amortizing over the expected life of this borrowing.

Also in 2022, we used the proceeds from our upsized Term Loan A Facility to
voluntarily redeem a portion of our 6.25% Notes due 2026. This resulted in a
principal payment of $220.0 million and $0.2 million in accrued interest. We
also expensed approximately $1.8 million for the write-off of a portion of the
unamortized debt issuance costs that we had been amortizing over the expected
life of the borrowing, and approximately $3.4 million for the payment of an
early redemption premium.

In 2021, we made voluntary prepayments totaling $21.2 million on our Term Loan A
Facility and $238.8 million on our Term Loan B Facility. As a result, we
expensed approximately $2.5 million for the write-off of a portion of the
unamortized debt issuance costs that we had been amortizing over the expected
life of these borrowings.

Also, in 2021, we voluntarily redeemed our 6.25% Notes due 2025. This resulted
in principal payments totaling $700.0 million and $19.4 million in accrued
interest. We also expensed approximately $9.6 million for the write-off of the
unamortized debt issuance costs that we had been amortizing over the expected
life of the borrowing, and approximately $21.9 million for the payment of an
early redemption premium.

Gain on bargain purchase of business On June 1, 2022, our acquisition of Tekfor
became effective, which resulted in a gain on bargain purchase of $13.6 million.
See Note 16 - Acquisitions and Dispositions for additional detail on this
acquisition.

Unrealized gain (loss) on equity securities We have an investment in the equity
securities of REE Automotive, an e-mobility company. These equity securities are
measured at fair value each reporting period with changes in fair value reported
as an unrealized holding gain or loss within Other income (expense), net in our
Consolidated Statements of Operations. As of December 31, 2022, our investment
in REE shares was valued at $1.9 million resulting in an unrealized loss of
$25.5 million for the year ended December 31, 2022. This compares to an
unrealized gain of $24.4 million associated with our investment in REE shares
for the year ended December 31, 2021.

Pension settlement charges In the fourth quarter of 2021, we purchased group
annuity contracts from an insurance company to settle our pension obligations
for certain United States (U.S.) plan participants. This resulted in a non-cash
pre-tax settlement charge of $42.3 million in the fourth quarter of 2021 related
to the accelerated recognition of certain deferred losses.

Other, net Other, net, which includes the net effect of foreign exchange gains
and losses, our proportionate share of earnings from equity in unconsolidated
subsidiaries, and all components of net periodic pension and postretirement
benefit costs other than service costs, was expense of $1.8 million in 2022, as
compared to expense of $3.2 million in 2021.

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INCOME TAX EXPENSE (BENEFIT) Income tax expense was $2.0 million in 2022, as
compared to an income tax benefit of $4.7 million in 2021. Our effective income
tax rate was 3.0% in 2022 as compared to (391.7)% in 2021. For the year ended
December 31, 2022, we recognized a net income tax benefit of $7.5 million
related to the release of a valuation allowance in a foreign jurisdiction.
During the year ended December 31, 2021, we recognized a net income tax benefit
of approximately $5.2 million related to our ability to carry back prior year
losses to tax years with the higher 35% corporate income tax rate under
provisions of the CARES Act.

Our effective income tax rate for the year ended December 31, 2022 varies from
our effective income tax rate for the year ended December 31, 2021 primarily as
a result of the $13.6 million gain on bargain purchase of business recognized in
the year ended December 31, 2022, which was not subject to income tax, as well
as the release of the foreign valuation allowance during the year ended December
31, 2022 noted above and as a result of the benefit from foreign derived
intangible income deductions in the U.S. For the year ended December 31, 2022,
our effective income tax rate varies from the U.S. federal statutory rate
primarily due to the gain on bargain purchase of business, the discrete items
noted above and the benefit from foreign derived intangible income deductions in
the U.S. For the year ended December 31, 2021, our effective income tax rate
varied from the U.S. federal statutory rate primarily as a result of recognizing
a net income tax benefit of approximately $5.2 million related to our ability to
carry back prior year losses to tax years with the higher 35% corporate income
tax rate.

Due to the uncertainty associated with the extent and ultimate impact of the
significant supply chain constraints affecting the automotive industry,
including COVID-19, the semiconductor shortage and resulting impact on global
automotive production volumes, and the conflict between Russia and Ukraine, we
may experience lower than projected earnings in certain jurisdictions in future
periods, and as a result, it is reasonably possible that changes in valuation
allowances could be recognized in future periods and such changes could be
material to our financial statements.

NET INCOME AND EARNINGS PER SHARE (EPS) Net income was $64.3 million in 2022 as
compared to $5.9 million in 2021. Diluted earnings per share was $0.53 in 2022
as compared to $0.05 per share in 2021. Net income and EPS were primarily
impacted by the factors discussed above.



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SEGMENT REPORTING



Our business is organized into Driveline and Metal Forming segments, with each
representing a reportable segment under Accounting Standards Codification (ASC)
280 - Segment Reporting. The results of each segment are regularly reviewed by
the chief operating decision maker to assess the performance of the segment and
make decisions regarding the allocation of resources to the segments.

Our product offerings by segment are as follows:



•Driveline products consist primarily of front and rear axles, driveshafts,
differential assemblies, clutch modules, balance shaft systems, disconnecting
driveline technology, and electric and hybrid driveline products and systems for
light trucks, SUVs, CUVs, passenger cars and commercial vehicles; and
•Metal Forming products consist primarily of engine, transmission, driveline and
safety-critical components for traditional internal combustion engine and
electric vehicle architectures including light vehicles, commercial vehicles and
off-highway vehicles, as well as products for industrial markets.

On June 1, 2022, our acquisition of Tekfor became effective and we began consolidating the results of Tekfor on that date, which are reported in our Metal Forming segment for the year ended December 31, 2022.



The following tables outline our sales and Segment Adjusted EBITDA for each of
our reportable segments for the years ended December 31, 2022, 2021 and 2020 (in
millions):
                                              Year Ended December 31, 2022

                                           Driveline              Metal Forming                           Total
    Sales                         $       4,130.8                $      2,113.0                        $ 6,243.8
    Less: Intersegment sales                  4.7                         436.7                            441.4
    Net external sales            $       4,126.1                $      1,676.3                        $ 5,802.4

    Segment adjusted EBITDA       $         547.0                $        200.3                        $   747.3


                                              Year Ended December 31, 2021

                                           Driveline              Metal Forming                           Total
    Sales                         $       3,744.9                $      1,762.2                        $ 5,507.1
    Less: Intersegment sales                  3.4                         347.1                            350.5
    Net external sales            $       3,741.5                $      1,415.1                        $ 5,156.6

    Segment adjusted EBITDA       $         577.7                $        255.6                        $   833.3


                                              Year Ended December 31, 2020

                                           Driveline              Metal Forming                           Total
    Sales                         $       3,375.5                $      1,652.0                        $ 5,027.5
    Less: Intersegment sales                  2.9                         313.8                            316.7
    Net external sales            $       3,372.6                $      1,338.2                        $ 4,710.8

    Segment adjusted EBITDA       $         474.8                $        245.0                        $   719.8




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The increase in Driveline sales for the year ended December 31, 2022, as
compared to the year ended December 31, 2021, primarily reflects increased
production volumes as the impact of the semiconductor shortage and other supply
chain constraints affecting the automotive industry lessened in the year ended
December 31, 2022, as compared to the year ended December 31, 2021. We estimate
that Driveline sales increased by $214 million for the year ended December 31,
2022 as a result of this increase in production volumes. Driveline sales in 2022
were also positively impacted, as compared to 2021, by an increase in production
volumes on certain light truck and CUV programs that we support in North
America.

The increase in sales in our Metal Forming segment for the year ended December
31, 2022, as compared to the year ended December 31, 2021, primarily reflects
$204 million associated with the acquisition of Tekfor that became effective on
June 1, 2022. Metal Forming sales in 2022 also reflect an increase in
intersegment sales to Driveline as the Driveline segment experienced increased
production volumes on certain light truck and CUV programs that we support in
North America.

We use Segment Adjusted EBITDA as the measure of earnings to assess the
performance of each segment and determine the resources to be allocated to the
segments. For the year ended December 31, 2022, as compared to the year ended
December 31, 2021, the change in Segment Adjusted EBITDA for the Driveline
segment was primarily attributable to the impact of increased manufacturing
costs, including higher metal and commodity costs, higher utility costs and
increased transportation costs, partially offset by a net increase in production
volumes on vehicle programs we support.

For the year ended December 31, 2022, as compared to the year ended December 31,
2021, the change in Segment Adjusted EBITDA for the Metal Forming segment was
primarily attributable to the impact of increased net manufacturing costs,
including higher metal and commodity costs, increased labor costs, higher
utility costs and increased transportation costs, partially offset by a net
increase in production volumes on the vehicle programs we support.

Reconciliation of Non-GAAP and GAAP Information



In addition to results reported in accordance with accounting principles
generally accepted in the United States of America (GAAP) in this MD&A, we have
provided certain non-GAAP financial measures such as EBITDA and Total Segment
Adjusted EBITDA. Such information is reconciled to its closest GAAP measure in
accordance with Securities and Exchange Commission rules below.


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We define EBITDA to be earnings before interest expense, income taxes,
depreciation and amortization. Total Segment Adjusted EBITDA is defined as
EBITDA for our reportable segments excluding the impact of restructuring and
acquisition-related costs, debt refinancing and redemption costs, loss on the
sale of a business, impairment charges, pension settlements, unrealized gains or
losses on equity securities, and non-recurring items. We believe that EBITDA and
Total Segment Adjusted EBITDA are meaningful measures of performance as they are
commonly utilized by management and investors to analyze operating performance
and entity valuation. Our management, the investment community and the banking
institutions routinely use EBITDA and Total Segment Adjusted EBITDA, together
with other measures, to measure our operating performance relative to other tier
1 automotive suppliers and to assess the relative mix of Adjusted EBITDA by
segment. We also believe that Total Segment Adjusted EBITDA is a meaningful
measure as it is used for operational planning and decision-making purposes.
EBITDA and Total Segment Adjusted EBITDA are also key metrics used in our
calculation of incentive compensation. These non-GAAP financial measures are not
and should not be considered a substitute for any GAAP measure. Additionally,
non-GAAP financial measures as presented by AAM may not be comparable to
similarly titled measures reported by other companies.

                                                                Year Ended December 31,
                                                            2022         2021          2020
                                                                     (in millions)
   Net income (loss)                                     $   64.3      $   5.9      $ (561.1)
   Interest expense                                         174.5        195.2         212.3
   Income tax expense (benefit)                               2.0         

(4.7) (49.2)


   Depreciation and amortization                            492.1        

544.3 521.9


   EBITDA                                                $  732.9      $ 

740.7 $ 123.9


   Restructuring and acquisition-related costs               30.2         

49.4 67.2


   Debt refinancing and redemption costs                      6.4         34.0           7.9
   Loss on sale of business                                     -          2.7           1.0
   Impairment charges                                           -            -         510.0
   Unrealized loss (gain) on equity securities               25.5        (24.4)            -
   Pension settlements                                          -         42.3           0.5

Non-recurring items:

Malvern Fire charges (insurance recoveries), net (39.1) (11.4) 9.3


   Gain on bargain purchase of business                     (13.6)           -             -

Acquisition-related fair value inventory adjustment 5.0

  -             -

   Total Segment Adjusted EBITDA                         $  747.3      $ 833.3      $  719.8



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LIQUIDITY AND CAPITAL RESOURCES



Our primary liquidity needs are to fund debt service obligations, capital
expenditures and working capital requirements, in addition to advancing our
strategic initiatives. At December 31, 2022 we had over $1.4 billion of
liquidity consisting of approximately $512 million of cash and cash equivalents,
approximately $866 million of available borrowings under our Revolving Credit
Facility and approximately $58 million of available borrowings under foreign
credit facilities. We have no significant debt maturities before 2026. We
believe that operating cash flow, available cash and cash equivalent balances
and available committed borrowing capacity under our Senior Secured Credit
Facilities and foreign credit facilities will be sufficient to meet these needs.

OPERATING ACTIVITIES Net cash provided by operating activities was $448.9 million in 2022 as compared to $538.4 million in 2021. The following factors impacted cash provided by operating activities:



Impact of Supply Chain Constraints We experienced an adverse impact on cash
flows from operating activities as a result of the significant supply chain
constraints that continued to impact the automotive industry during the year
ended December 31, 2022, including increased metal and commodity costs, higher
utility costs, increased transportation costs, higher labor costs and labor
shortages. We expect these supply chain constraints to continue in 2023.

Accounts receivable For the year ended December 31, 2022, we experienced a
decrease in cash flow from operating activities of $62 million related to the
change in our accounts receivable balance from December 31, 2021 to December 31,
2022, as compared to the change in our accounts receivable balance from December
31, 2020 to December 31, 2021. This change was primarily attributable to the
timing of sales to customers in the applicable periods.

Inventories In 2022, we experienced an increase in year-over-year cash flow from
operating activities of approximately $72 million related to the change in our
inventories balance from December 31, 2021 to December 31, 2022, as compared to
the change in our inventories balance from December 31, 2020 to December 31,
2021. In 2021, we began to increase inventory levels as a result of volatility
in production schedules and unexpected downtime at certain of our manufacturing
facilities as a result of the semiconductor chip shortage that has impacted the
automotive industry. This increase in inventory levels in 2021 was more
significant than the increase in 2022.

Interest paid Interest paid in 2022 was $172.6 million as compared to $184.9
million in 2021. The decrease in interest paid was primarily the result of our
ongoing debt reduction initiatives and our previous refinancing actions. See
Note 4 - Long-Term Debt for additional detail.

Income taxes Income taxes paid, net was $40.4 million in 2022, as compared to
$26.6 million in 2021. During the years ended December 31, 2022 and December 31,
2021, we received income tax refunds of approximately $5.4 million and
$6.0 million, respectively, related to the utilization of net operating losses
under the provisions of the CARES Act. See Note 1 - Organization and Summary of
Significant Accounting Policies for additional detail regarding the CARES Act.

As of December 31, 2022 and December 31, 2021, we have recorded a liability for
unrecognized income tax benefits and related interest and penalties of $40.5
million and $23.4 million, respectively.

In January 2023, we paid $10.1 million as a result of the Notice of Tax Due that
was received from the Internal Revenue Service in December 2022. See Note 9 -
Income Taxes for additional detail regarding the Notice of Tax Due.

Restructuring and acquisition-related costs We incurred $30.2 million and $49.4
million of charges related to restructuring and acquisition-related costs in
2022 and 2021, respectively, and a significant portion of these charges were
cash charges. In 2023, we expect restructuring and acquisition-related payments
to be between $20 million and $30 million for the full year.


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Pension and other postretirement benefits (OPEB) Our cash payments for OPEB, net
of GM cost sharing, were $11.9 million in 2022 and $14.2 million in 2021. This
compares to our annual postretirement cost of $8.3 million in 2022 and $8.9
million in 2021. We expect our cash payments for OPEB obligations in 2023, net
of GM cost sharing, to be approximately $14.6 million.

Due to the availability of our pre-funded pension balances (previous contributions in excess of prior required pension contributions), we expect our regulatory pension funding requirements in 2023 to be less than $1.0 million.

Malvern Fire In 2022, we received $29.1 million of cash as reimbursements and
advances under our insurance policies, of which $12.1 million was associated
with operating expenses incurred as a result of the Malvern Fire and has been
presented as an operating cash inflow in our Consolidated Statement of Cash
Flows for the period. At December 31, 2022, we have an insurance recovery
receivable of $24.0 million, which is included in Prepaid expenses and other in
our Consolidated Balance Sheet. This amount was fully collected in January 2023.

In 2021, we received $59.1 million of cash as reimbursements and advances under
our insurance policies of which $36.0 million was associated with operating
expenses incurred as a result of the Malvern Fire and has been presented as an
operating cash inflow in our Consolidated Statement of Cash Flows for the
period. At December 31, 2021, we had an insurance recovery receivable of $11.3
million, which was included in Prepaid expenses and other in our Consolidated
Balance Sheet. See Note 15 - Manufacturing Facility Fire and Insurance Recovery
for additional detail.

INVESTING ACTIVITIES For the year ended December 31, 2022, net cash used in
investing activities was $243.0 million as compared to $161.1 million for the
year ended December 31, 2021. Capital expenditures were $171.4 million in 2022
and $181.2 million in 2021. We expect our capital spending in 2023 to be 3.5% to
4% of sales, which includes support for our global program launches in 2023 and
2024 within our new and incremental business backlog, as well as program
capacity increases and future launches of replacement programs.

On June 1, 2022, our acquisition of Tekfor became effective and we paid
approximately $80 million, net of cash acquired, which was funded entirely with
cash on hand. Also in 2022, we made payments for the acquisition of a supplier
in Mexico and began to pay the deferred consideration associated with our
acquisition of Emporium that was completed in 2021. These payments totaled
approximately $9 million in the year ended December 31, 2022. In 2021, we paid
cash of $4.9 million for the acquisition of Emporium. See Note 16 - Acquisitions
and Dispositions for further detail.

In 2022 and 2021, in addition to the $12.1 million and $36.0 million,
respectively, of cash reimbursements and advances received under our insurance
policies associated with operating expenses incurred as a result of the Malvern
Fire, we received $17.0 million and $23.1 million, respectively, of cash
associated with machinery and equipment that was damaged or destroyed as a
result of the Malvern Fire. This cash received has been classified as an
investing cash inflow based on the nature of the associated loss incurred.

FINANCING ACTIVITIES Net cash used in financing activities was $217.2 million in
2022, compared to net cash used in financing activities of $401.4 million in
2021. Total debt outstanding, net of debt issuance costs, was $2,921.0 million
at year-end 2022 and $3,104.5 million at year-end 2021. The change in total debt
outstanding, net of issuance costs, at year-end 2022, as compared to year-end
2021, was primarily due to the factors noted below.

Senior Secured Credit Facilities Our Senior Secured Credit Facilities, which are
comprised of our Revolving Credit Facility, our Term Loan A Facility, and our
Term Loan B Facility, provide back-up liquidity for our foreign credit
facilities. We intend to use the availability of long-term financing under the
Senior Secured Credit Facilities to refinance any current maturities related to
such debt agreements that are not otherwise refinanced on a long-term basis in
their local markets, except where otherwise reclassified to Current portion of
long-term debt on our Consolidated Balance Sheet.

In March 2022, Holdings and AAM, Inc. entered into the Amended and Restated
Credit Agreement. The Amended and Restated Credit Agreement, among other things,
increased the principal amount of the Term Loan A Facility to $520.0 million,
extended the maturity date of the Term Loan A Facility and the Revolving Credit
Facility, and established the use under the Term Loan A Facility and Revolving
Credit Facility of updated reference rates. See Note 4 - Long-Term Debt for
further detail on the Amended and Restated Credit Agreement. As a result, we
expensed $0.2 million of debt refinancing costs, paid accrued interest of
$1.0 million, and paid debt issuance costs of $4.5 million in 2022 related to
the Amended and Restated Credit Agreement.
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In December 2022, Holdings and AAM, Inc. entered into the Refinancing Facility
Agreement, under the Amended and Restated Credit Agreement and established a new
Term Loan B Facility of $675.0 million. The proceeds from the Refinancing
Facility Agreement, together with $50.0 million cash on hand and the proceeds of
a $25.0 million borrowing under the Revolving Credit Facility, were used to (a)
prepay the entire principal amount of the then outstanding Term Loan B Facility,
(b) pay all accrued and unpaid interest due under the Term Loan B Facility and
(c) pay fees, costs and expenses payable in connection with the refinancing of
the Term Loan B Facility. We expensed $0.4 million of debt refinancing costs,
paid accrued interest of $2.4 million, and paid debt issuance costs of
$26.9 million related to the Refinancing Facility Agreement. See Note 4 -
Long-Term Debt for further detail on the Refinancing Facility Agreement.

In 2022, prior to entering into the Refinancing Facility Agreement, we made
voluntary prepayments totaling $100.0 million on our then outstanding term loan
B facility. As a result, we expensed approximately $0.6 million for the
write-off of a portion of the unamortized debt issuance costs that we had been
amortizing over the expected life of this borrowing.

In 2021, we made voluntary prepayments totaling $21.2 million on our Term Loan A
Facility and $238.8 million on our Term Loan B Facility. As a result, we
expensed approximately $2.5 million for the write-off of a portion of the
unamortized debt issuance costs that we had been amortizing over the expected
life of these borrowings.

At December 31, 2022, $865.9 million was available under the Revolving Credit
Facility. This availability reflects a reduction of $34.1 million for standby
letters of credit issued against the facility. The proceeds of the Revolving
Credit Facility are used for general corporate purposes.

Redemption of 6.25% Notes due 2026 In the first quarter of 2022, we used the
proceeds from the upsized Term Loan A Facility to voluntarily redeem a portion
of our 6.25% Notes due 2026. This resulted in a principal payment of
$220.0 million and $0.2 million in accrued interest. We also expensed
approximately $1.8 million for the write-off of a portion of the unamortized
debt issuance costs that we had been amortizing over the expected life of the
borrowing, and approximately $3.4 million for the payment of an early redemption
premium.

Repayment of Tekfor Group Indebtedness Upon the acquisition of Tekfor, we assumed $23.4 million of existing Tekfor indebtedness, of which we repaid $10.7 million in 2022.



5.00% Notes due 2029 In 2021, we issued $600.0 million in aggregate principal
amount of 5.00% Notes due 2029 (the 5.00% Notes). Proceeds from the 5.00% Notes
were used to fund the redemption of the remaining $600.0 million of our former
6.25% senior notes due 2025. We paid debt issuance costs of $9.2 million in the
year ended December 31, 2021 related to the 5.00% Notes.

Redemption of 6.25% Notes due 2025 In 2021, we voluntarily redeemed our 6.25%
Notes due 2025. This resulted in principal payments totaling $700.0 million and
$19.4 million in accrued interest. We also expensed approximately $9.6 million
for the write-off of the unamortized debt issuance costs that we had been
amortizing over the expected life of the borrowing, and approximately
$21.9 million for the payment of an early redemption premium.

Foreign Credit Facilities We utilize local currency credit facilities to finance
the operations of certain foreign subsidiaries. At December 31, 2022, $72.7
million was outstanding under our foreign credit facilities and an additional
$57.8 million was available, as compared to December 31, 2021, when $86.1
million was outstanding under our foreign credit facilities and an additional
$65.1 million was available.

Treasury stock Treasury stock increased by $1.9 million in 2022 to $218.2 million as compared to $216.3 million at year-end 2021, due to the withholding and repurchase of shares of AAM stock to satisfy employee tax withholding obligations due upon the vesting of stock-based compensation.


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Credit ratings To access public debt capital markets, the Company relies on
credit rating agencies to assign short-term and long-term credit ratings to our
securities as an indicator of credit quality for fixed income investors. A
credit rating agency may change or withdraw its ratings based on its assessment
of our current and future ability to meet interest and principal repayment
obligations. Credit ratings may affect our cost of borrowing and/or our access
to debt capital markets. The credit ratings and outlook currently assigned to
our securities by the rating agencies are as follows:
                                                          Senior Unsecured    Senior Secured
                              Corporate Family Rating       Notes Rating       Notes Rating              Outlook
Standard & Poor's                       BB-                      B+                BB+                    Stable
Moody's Investors Services               B1                      B2                Ba1                    Stable


Dividend program We have not declared or paid any cash dividends on our common stock in 2022 or 2021.



Contractual obligations Our contractual obligations consist primarily of: 1)
current and long-term debt; 2) operating and finance lease obligations; 3)
obligated purchase commitments for capital expenditures and related project
expense; 4) pension and other postretirement benefit obligations, net of GM cost
sharing; and 5) interest obligations. Information regarding expected payments by
period can be found in Item 8, "Financial Statements and Supplementary Data" in
this Form 10-K at Note 4 - Long-Term Debt for our current and long-term debt
obligations, Note 14 - Leasing for our operating and finance lease obligations,
Note 11 - Commitments and Contingencies for purchase commitments related to
capital expenditures and project expense, and Note 7 - Employee Benefit Plans
for pension and other postretirement benefit obligations.

The expected future interest obligations associated with our current and
long-term debt and finance lease obligations are approximately as follows: $192
million in 2023, $188 million in 2024, $186 million in 2025, $173 million in
2026, $126 million in 2027, and $184 million in 2028 and thereafter.

Subsidiary Guarantees of Registered Debt Securities Our 6.875% Notes, 6.50%
Notes, 6.25% Notes and 5.00% Notes (collectively, the Notes) are senior
unsecured obligations of AAM, Inc. (Issuer); all of which are fully and
unconditionally guaranteed, on a joint and several basis, by Holdings and
substantially all domestic subsidiaries of AAM, Inc. and MPG Inc. (Subsidiary
Guarantors). Holdings has no significant assets other than its 100% ownership in
AAM, Inc. and MPG Inc., and no direct subsidiaries other than AAM, Inc. and MPG
Inc.

Each guarantee by Holdings and/or any of the Subsidiary Guarantors is:



•a senior obligation of the relevant Subsidiary Guarantors;
•the unsecured and unsubordinated obligation of the relevant Subsidiary
Guarantors; and
•of equal rank with all other existing and future unsubordinated and unsecured
indebtedness of the relevant Subsidiary Guarantors.

Each guarantee by a Subsidiary Guarantor provides by its terms that it will be automatically, fully and unconditionally released and discharged upon:



•any sale, exchange or transfer (by merger or otherwise) of the capital stock of
such Subsidiary Guarantor, or the sale or disposition of all the assets of such
Subsidiary Guarantor, which sale, exchange, transfer or disposition is made in
compliance with the applicable provisions of the indentures;
•the exercise by the issuer of its legal defeasance option or covenant
defeasance option or the discharge of the issuer's obligations under the
indentures in accordance with the terms of the indentures; or
•the election of the issuer to affect such a release following the date that
such guaranteed Notes have an investment grade rating from both Standard &
Poor's Ratings Group, Inc, and Moody's Investors Service, Inc.


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The following represents summarized financial information of Holdings, AAM Inc.
and the Subsidiary Guarantors (collectively, the Combined Entities). The
information has been prepared on a combined basis and excludes any investments
of AAM Holdings, AAM Inc., or the Subsidiary Guarantors in non-guarantor
subsidiaries. Intercompany transactions and amounts between Combined Entities
have been eliminated.

Statement of Operations Information                                      (in millions)
                                                        Year Ended December         Year Ended December
                                                             31, 2022                    31, 2021
Net sales                                              $          4,429.5          $          3,983.0
Gross profit                                                        445.2                       410.8
Income (loss) from operations                                        25.1                       (27.4)
Net loss                                                            (59.7)                     (158.6)

Balance Sheet Information                                                (in millions)
                                                         December 31, 2022           December 31, 2021
Current assets                                         $          1,061.9          $          1,034.6
Noncurrent assets                                                 2,317.9                     2,524.2

Current liabilities                                               1,360.4                     1,183.7
Noncurrent liabilities                                            3,345.3                     3,791.1

Redeemable preferred stock                                              -                           -
Noncontrolling interest                                                 -                           -


At December 31, 2022 and December 31, 2021, amounts owed by the Combined Entities to non-guarantor entities totaled approximately $945 million and $800 million, respectively, and amounts owed to the Combined Entities from non-guarantor entities totaled approximately $620 million and $655 million, respectively.





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CYCLICALITY AND SEASONALITY



Our operations are cyclical because they are directly related to worldwide
automotive production, which is itself cyclical and dependent on general
economic conditions and other factors. Typically, our business is moderately
seasonal as our major OEM customers historically have an extended shutdown of
operations (normally 1-2 weeks) in conjunction with their model year changeover
and an approximate one-week shutdown in the month of December. Our major OEM
customers also occasionally have longer shutdowns of operations (up to six
weeks) for program changeovers. Accordingly, our quarterly results may reflect
these trends.

LEGAL PROCEEDINGS

See Note 11 - Commitments and Contingencies in Item 8, "Financial Statements and Supplementary Data" for discussion of legal proceedings and the effect on AAM.

EFFECT OF NEW ACCOUNTING STANDARDS

See Note 1 - Organization and Summary of Significant Accounting Policies in Item 8, "Financial Statements and Supplementary Data" for discussion of new accounting standards and the effect on AAM.

CRITICAL ACCOUNTING ESTIMATES



In order to prepare consolidated financial statements in conformity with GAAP,
we are required to make estimates and assumptions that affect the reported
amounts and disclosures in our consolidated financial statements. These
estimates are subject to an inherent degree of uncertainty and actual results
could differ from our estimates.

Other items in our consolidated financial statements require estimation. In our
judgment, they are not as critical as those disclosed below. We have discussed
and reviewed our critical accounting estimates disclosure with the Audit
Committee of our Board of Directors.

VALUATION OF DEFERRED TAX ASSETS AND OTHER TAX LIABILITIES Because we operate in
many different geographic locations, including several foreign, state and local
tax jurisdictions, the evaluation of our ability to use all recognized deferred
tax assets is complex. In accordance with ASC 740 - Income Taxes, we review the
likelihood that we will realize the benefit of deferred tax assets and estimate
whether recoverability of our deferred tax assets is "more likely than not,"
based on forecasts of taxable income in the related tax jurisdictions. In
determining the requirement for a valuation allowance, the historical results,
projected future operating results based upon approved business plans, eligible
carry forward periods, and tax planning opportunities are considered, along with
other relevant positive and negative evidence. If, based upon available
evidence, it is more likely than not the deferred tax assets will not be
realized, a valuation allowance is recorded.

As of December 31, 2022, we have a valuation allowance of approximately $217.5
million related to net deferred tax assets in several foreign jurisdictions and
U.S. federal, state and local jurisdictions. As of December 31, 2021 and 2020,
our valuation allowance was $201.7 million and $208.0 million, respectively.

If, in the future, we generate taxable income on a sustained basis in foreign
and U.S. federal, state and local jurisdictions for which we have recorded
valuation allowances, our current estimate of the recoverability of our deferred
tax assets could change and result in the future reversal of some or all of the
valuation allowance. While we believe we have made appropriate valuations of our
deferred tax assets, unforeseen changes in tax legislation, regulatory
activities, audit results, operating results, financing strategies, organization
structure and other related matters may result in material changes in our
deferred tax asset valuation allowances or our tax liabilities.

Further, due to the uncertainty associated with the extent and ultimate impact
of the significant supply chain constraints affecting the automotive industry,
including COVID-19, the semiconductor shortage and resulting impact on global
automotive production volumes, and the conflict between Russia and Ukraine, we
may experience lower than projected earnings in certain jurisdictions in future
periods, and as a result, it is reasonably possible that changes in valuation
allowances could be recognized in future periods and such changes could be
material to our financial statements.

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Unrecognized Income Tax Benefits



We record uncertain tax positions on the basis of a two-step process whereby:
(1) we determine whether it is "more likely than not" that the tax positions
will be sustained based on the technical merits of the position: and (2) for
those positions that meet the "more likely than not" recognition threshold, we
recognize the largest amount of tax benefit that is greater than 50% likely to
be realized upon ultimate settlement with the related tax authority. We record
interest and penalties on uncertain tax positions in income tax expense
(benefit). As of December 31, 2022 and 2021, we had a liability for unrecognized
income tax benefits and related interest and penalties of $40.5 million and
$23.4 million, respectively. We continue to monitor the progress and conclusions
of all ongoing audits and other communications with tax authorities and adjust
our estimated liability as necessary.

Other Income Tax Matters



We operate in multiple jurisdictions throughout the world and the income tax
returns of several subsidiaries in various tax jurisdictions are currently under
examination. During their examination of our 2015 U.S. federal income tax
return, the Internal Revenue Service (IRS) asserted that income earned by a
Luxembourg subsidiary from its Mexican branch operations should be categorized
as foreign base company sales income (FBCSI) under Section 954(d) of the
Internal Revenue Code and recognized currently as taxable income on our 2015
U.S. federal income tax return. As a result of this assertion, the IRS issued a
Notice of Proposed Adjustment (NOPA). AAM disagreed with the NOPA, believes that
the proposed adjustment is without merit and contested the matter through the
IRS's administrative appeals process. No resolution was reached in the appeals
process and in September 2022, the IRS issued a Notice of Deficiency. The IRS
subsequently issued a Notice of Tax Due in December 2022 and AAM paid the
assessed tax and interest of $10.1 million in January 2023. We intend to file a
claim for refund for the amount of tax and interest paid related to this matter
for the 2015 tax year and, if necessary, file suit in the U.S.Court of Federal
Claims. We believe it is likely that we will be successful in ultimately
defending our position. As such, we have not recorded any impact of the IRS's
proposed adjustment in our consolidated financial statements as of, and for the
year ended, December 31, 2022. As of December 31, 2022, in the event AAM is not
successful in defending its position, the potential additional income tax
expense, including estimated interest charges, related to tax years 2015 through
2022, is estimated to be in the range of approximately $285 million to
$335 million.

In a matter of related interest, in May 2020, the U.S Tax Court ruled against
another U.S. corporation, finding that the income it earned through a Mexican
branch of its Luxembourg subsidiary corporation was FBCSI. In that situation,
the taxpayer appealed the U.S. Tax Court decision to the U.S. Court of Appeals
for the Sixth Circuit. In December 2021, the U.S. Court of Appeals affirmed, in
a split decision, the Tax Court decision in favor of the IRS. In January 2022,
the taxpayer in the above referenced matter filed a petition for rehearing and
this petition was denied. Finally, in June 2022, the taxpayer filed a petition
with the U.S. Supreme Court to review the judgment of the U.S. Court of Appeals
for the Sixth Circuit and in November 2022 that petition was also denied.
Notwithstanding the decisions rendered in that case, and because our position is
based upon different facts and circumstances, including but not limited to,
differences in structure, and different income tax regulations in effect for our
tax years under examination, we continue to believe, after consultation with tax
and legal counsel that it is more likely than not that our structure does not
give rise to FBCSI.

PENSION AND OTHER POSTRETIREMENT BENEFITS In calculating our assets, liabilities
and expenses related to pension and OPEB, key assumptions include the discount
rate, expected long-term rates of return on plan assets, mortality projections
and rates of increase in health care costs.

The discount rates used in the valuation of our U.S. pension and OPEB
obligations were based on an actuarial review of a hypothetical portfolio of
long-term, high quality corporate bonds matched against the expected payment
stream for each of our plans. In 2022, the weighted-average discount rates
determined on that basis were 5.50% for the valuation of both our pension
benefit obligations and the valuation of our OPEB obligations. The discount
rates used in the valuations of our non-U.S. pension obligations were based on
hypothetical yield curves developed from corporate bond yield information within
each regional market. In 2022, the weighted-average discount rate determined on
that basis was 4.40% for our non-U.S. plans. The expected weighted-average
long-term rates of return on our plan assets were 6.75% for our U.S. plans, and
4.00% for our non-U.S. plans in 2022.


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We developed these rates of return assumptions based on future capital market
expectations for the asset classes represented within our portfolio and a review
of long-term historical returns. The asset allocation for our plans was
developed in consideration of the demographics of the plan participants and
expected payment stream of the liability. Our investment policy allocates
approximately 25% - 35% of the U.S. plan assets to equity securities, with the
remainder invested in fixed income securities, hedge fund investments and cash.
The rates of increase in health care costs are based on current market
conditions, inflationary expectations and historical information.

All of our assumptions were developed in consultation with our actuarial service
providers. While we believe that we have selected reasonable assumptions for the
valuation of our pension and OPEB obligations at year-end 2022, actual trends
could result in materially different valuations.

The effect on our pension plans of a 0.5% decrease in both the discount rate and
expected return on assets is shown below as of December 31, 2022, our valuation
date.
                                                             Expected
                                               Discount      Return on
                                                 Rate         Assets
                                                    (in millions)
                   Decline in funded status   $  (26.3)             N/A
                   Increase in 2022 expense   $    0.1      $     2.7

No changes in benefit levels or in the amortization of gains or losses have been assumed.



For 2023, we assumed a weighted-average annual increase in the per-capita cost
of covered health care benefits of 6.4% for OPEB. The rate is assumed to
decrease gradually to 5.0% by 2030 and remain at that level thereafter. A 0.5%
decrease in the discount rate for our OPEB would have increased total expense in
2022 and the postretirement obligation, net of GM cost sharing, at December 31,
2022 by $0.2 million and $9.3 million, respectively. A 1.0% increase in the
assumed health care trend rate would have increased total service and interest
cost in 2022 and the postretirement obligation, net of GM cost sharing, at
December 31, 2022 by $0.8 million and $14.6 million, respectively.

AAM and GM share in the cost of OPEB for eligible retirees proportionally based
on the length of service an employee had with AAM and GM. We estimate the future
cost sharing payments and present it as an asset on our Consolidated Balance
Sheet. As of December 31, 2022, we estimated $138.2 million in future GM cost
sharing. If, in the future, GM were unable to fulfill this financial obligation,
our OPEB obligations could be different than our current estimates.

GOODWILL We record goodwill when the purchase price of acquired businesses
exceeds the value of their identifiable net tangible and intangible assets
acquired. We periodically evaluate goodwill for impairment in accordance with
the accounting guidance for goodwill and other indefinite-lived intangibles that
are not amortized. We review our goodwill for impairment annually during the
fourth quarter. In addition, we review goodwill for impairment whenever adverse
events or changes in circumstances indicate a possible impairment.

This review is performed at the reporting unit level, and involves a comparison
of the fair value of the reporting unit with its carrying amount, including
goodwill. If the fair value of the reporting unit exceeds its carrying amount,
goodwill of the reporting unit is not considered impaired. If the carrying
amount of the reporting unit exceeds its fair value, an impairment loss is
recognized in an amount equal to the excess carrying value over fair value.


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In performing goodwill impairment testing, we utilize a third-party valuation
specialist to assist management in determining the fair value of our reporting
units. Fair value of each reporting unit is estimated based on a combination of
discounted cash flows and the use of pricing multiples derived from an analysis
of comparable public companies multiplied against historical and/or anticipated
financial metrics of each reporting unit. These calculations contain
uncertainties as they require management to make assumptions including, but not
limited to, market comparables, future cash flows of the reporting units, and
appropriate discount and long-term growth rates. A decline in the actual cash
flows of our reporting units in future periods, as compared to the projected
cash flows used in our valuations, could result in the carrying value of the
reporting units exceeding their respective fair values. Further, a change in
market comparables, discount rate or long-term growth rate, as a result of a
change in economic conditions or otherwise, could result in the carrying values
of the reporting units exceeding their respective fair values.

Our business is organized into two segments: Driveline and Metal Forming. Under
the goodwill guidance, we determined that each of our segments represents a
reporting unit. The determination of our reporting units and impairment
indicators also require us to make significant judgments. At December 31, 2022
all goodwill was associated with our Driveline reporting unit. As a result of
our goodwill impairment test completed in the fourth quarter of 2022, we
determined that the fair value of our Driveline reporting unit exceeded its
carrying value by approximately 15%. See Note 3 - Goodwill and Other Intangible
Assets for further detail regarding our goodwill impairment analyses for the
years 2022, 2021 and 2020.

IMPAIRMENT OF LONG-LIVED ASSETS Long-lived assets, excluding goodwill, to be
held and used are reviewed for impairment whenever adverse events or changes in
circumstances indicate a possible impairment. Recoverability of each "held for
use" asset group affected by impairment indicators is determined by comparing
the forecasted undiscounted cash flows of the operations to which the assets
relate to their carrying amount. If the carrying amount of an asset group
exceeds the undiscounted cash flows and is therefore not recoverable, the assets
in this group are written down to their estimated fair value. We estimate fair
value based on market prices, when available, or on a discounted cash flow
analysis. Long-lived assets held for sale are recorded at the lower of their
carrying amount or fair value less cost to sell. Significant judgments and
estimates used by management when evaluating long-lived assets for impairment
include:

•An assessment as to whether an adverse event or circumstance has triggered the
need for an impairment review;
•Determination of asset groups, the primary asset within each group, and the
primary asset's average estimated useful life;
•Undiscounted future cash flows generated by the assets; and
•Determination of fair value when an impairment is deemed to exist, which may
require assumptions related to future general economic conditions, future
expected production volumes, product pricing and cost estimates, working capital
and capital investment requirements, discount rates and estimated liquidation
values.

See Note 3 - Goodwill and Other Intangible Assets for further detail regarding our assessment of impairment of long-lived assets.


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PRODUCT WARRANTY We record a liability and related charge to cost of goods sold
for estimated warranty obligations at the dates our products are sold or when
specific warranty issues are identified. Product warranties not expected to be
paid within one year are recorded as a noncurrent liability on our Consolidated
Balance Sheet. Our estimated warranty obligations for products sold are based on
significant management estimates, with input from our warranty, sales,
engineering, quality and legal departments. For products and customers with
actual warranty payment experience, we estimate warranty costs principally based
on past claims history. For certain products and customers, actual warranty
payment experience does not exist or is not mature. In these cases, we estimate
our costs based on the contractual arrangements with our customers, existing
customers' warranty program terms and internal and external warranty data, which
includes a determination of our responsibility for potential warranty issues or
claims and estimates of repair costs. We actively study trends of our warranty
claims and take action to improve product quality and minimize warranty claims.
We continuously evaluate these estimates and our customers' administration of
their warranty programs. We closely monitor actual warranty claim data and
adjust the liability, as necessary, on a quarterly basis.

In addition to our ordinary warranty provisions with our customers, we may be
responsible for certain costs associated with product recalls and field actions,
which are recorded at the time our obligation is probable and can be reasonably
estimated.

Our warranty accrual was $54.1 million as of December 31, 2022 and $59.5 million
as of December 31, 2021. During 2022 and 2021, we made adjustments to our
warranty accrual to reflect revised estimates regarding our projected future
warranty obligations. Actual experience could differ from the amounts estimated
requiring adjustments to these liabilities in future periods. It is possible
that changes in our assumptions or future warranty issues could materially
affect our financial position and results of operations.
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                           Forward-Looking Statements



In this MD&A and elsewhere in this Form 10-K (Annual Report), we make statements
concerning our expectations, beliefs, plans, objectives, goals, strategies, and
future events or performance. Such statements are "forward-looking" statements
within the meaning of the Private Securities Litigation Reform Act of 1995 and
relate to trends and events that may affect our future financial position and
operating results. The terms such as "will," "may," "could," "would," "plan,"
"believe," "expect," "anticipate," "intend," "project," "target," and similar
words or expressions, as well as statements in future tense, are intended to
identify forward-looking statements.

Forward-looking statements should not be read as a guarantee of future
performance or results and will not necessarily be accurate indications of the
times at, or by, which such performance or results will be achieved.
Forward-looking statements are based on information available at the time those
statements are made and/or management's good faith belief as of that time with
respect to future events and are subject to risks and may differ materially from
those expressed in or suggested by the forward-looking statements. Important
factors that could cause such differences include, but are not limited to:

•global economic conditions, including the impact of inflation, recession or
recessionary concerns, or slower growth in the markets in which we operate;
•reduced purchases of our products by General Motors Company (GM), Stellantis
N.V. (Stellantis), Ford Motor Company (Ford) or other customers;
•our ability to respond to changes in technology, increased competition or
pricing pressures;
•our ability to develop and produce new products that reflect market demand;
•lower-than-anticipated market acceptance of new or existing products;
•our ability to attract new customers and programs for new products;
•reduced demand for our customers' products (particularly light trucks and sport
utility vehicles (SUVs) produced by GM, Stellantis and Ford);
•risks inherent in our global operations (including tariffs and the potential
consequences thereof to us, our suppliers, and our customers and their
suppliers, adverse changes in trade agreements, such as the United
States-Mexico-Canada Agreement (USMCA), immigration policies, political
stability or geopolitical conflicts, taxes and other law changes, potential
disruptions of production and supply, and currency rate fluctuations);
•supply shortages, such as the semiconductor shortage that the automotive
industry is currently experiencing and the availability of natural gas or other
fuel and utility sources in certain regions, labor shortages, including
increased labor costs, or price increases in raw material and/or freight,
utilities or other operating supplies for us or our customers as a result of
pandemic or epidemic illness such as COVID-19, geopolitical conflicts, natural
disasters or otherwise;
•a significant disruption in operations at one or more of our key manufacturing
facilities;
•negative or unexpected tax consequences;
•risks related to a failure of our information technology systems and networks,
and risks associated with current and emerging technology threats and damage
from computer viruses, unauthorized access, cyber attacks and other similar
disruptions;
•our suppliers', our customers' and their suppliers' ability to maintain
satisfactory labor relations and avoid work stoppages;
•cost or availability of financing for working capital, capital expenditures,
research and development (R&D) or other general corporate purposes including
acquisitions, as well as our ability to comply with financial covenants;
•our customers' and suppliers' availability of financing for working capital,
capital expenditures, R&D or other general corporate purposes;
•an impairment of our goodwill, other intangible assets, or long-lived assets if
our business or market conditions indicate that the carrying values of those
assets exceed their fair values;
•liabilities arising from warranty claims, product recall or field actions,
product liability and legal proceedings to which we are or may become a party,
or the impact of product recall or field actions on our customers;
•our ability or our customers' and suppliers' ability to successfully launch new
product programs on a timely basis;
•risks of environmental issues, including impacts of climate-related events,
that could result in unforeseen issues or costs at our facilities, or risks of
noncompliance with environmental laws and regulations, including reputational
damage;
•our ability to maintain satisfactory labor relations and avoid work stoppages;
•our ability to consummate and successfully integrate acquisitions and joint
ventures;
•our ability to achieve the level of cost reductions required to sustain global
cost competitiveness or our ability to recover certain cost increases from our
customers;
•our ability to realize the expected revenues from our new and incremental
business backlog;
•price volatility in, or reduced availability of, fuel;
•our ability to protect our intellectual property and successfully defend
against assertions made against us;
•adverse changes in laws, government regulations or market conditions affecting
our products or our customers' products;
•our ability or our customers' and suppliers' ability to comply with regulatory
requirements and the potential costs of such compliance;
•changes in liabilities arising from pension and other postretirement benefit
obligations;
•our ability to attract and retain qualified personnel in key positions and
functions; and
•other unanticipated events and conditions that may hinder our ability to
compete.

It is not possible to foresee or identify all such factors and we make no
commitment to update any forward-looking statement or to disclose any facts,
events or circumstances after the date hereof that may affect the accuracy of
any forward-looking statement.

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