The following discussion and analysis of our financial condition and results of
operations should be read in conjunction with our consolidated financial
statements and related notes included elsewhere in this quarterly report and
with our audited consolidated financial statements (and notes thereto) for the
year ended December 31, 2021, included in our Annual Report on Form 10-K filed
with the SEC. This discussion contains forward-looking statements that involve
risks and uncertainties. Our actual results could differ materially from those
discussed below. All statements in this quarterly report regarding the future
impact of COVID-19 are forward-looking in nature and thus subject to the safe
harbor provisions described below.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS



This quarterly report on Form 10-Q contains forward-looking statements made
pursuant to the safe harbor provisions of the Private Securities Litigation
Reform Act of 1995 under Section 27A of the Securities Act of 1933, as amended,
and Section 21E of the Securities Exchange Act of 1934, as amended.
Forward-looking statements include statements with respect to our beliefs,
plans, objectives, goals, expectations, anticipations, assumptions, estimates,
intentions, and future performance, and involve known and unknown risks,
uncertainties, and other factors, which may be beyond our control, and which may
cause our actual results, performance, or achievements to be materially
different from future results, performance, or achievements expressed or implied
by such forward-looking statements. All statements other than statements of
historical fact are statements that could be forward-looking statements. You can
identify these forward-looking statements through our use of words such as
"may," "can," "anticipate," "assume," "should," "indicate," "would," "believe,"
"contemplate," "expect," "seek," "estimate," "continue," "plan," "point to,"
"project," "predict," "could," "intend," "target," "potential," and other
similar words and expressions of the future.

There are a number of important factors that could cause the actual results to
differ materially from those expressed in any forward-looking statement made by
us. These factors include, but are not limited to:

our ability and the time it takes to acquire new customers;

reduced spending on product design and development activities by our customers;

our ability to successfully renew our outstanding software licenses;

our ability to maintain or protect our intellectual property;

our ability to retain key executive members;

our ability to internally develop new software products, inventions and intellectual property;

our ability to successfully integrate and realize the benefits of our past or future strategic acquisitions or investments;

demand for our software by customers other than simulation engineering specialists and in additional industry verticals;

acceptance of our enhanced business model by customers and investors;

our susceptibility to factors affecting the automotive, aerospace and financial services industries where we derive a substantial portion of our revenues;

the accuracy of our estimates regarding expenses and capital requirements;

our susceptibility to foreign currency risks that arise because of our substantial international operations;

the significant quarterly fluctuations of our results; and

the uncertain effect of COVID-19 or other future pandemics or events on our business, operating results, and financial condition, including disruption to our customers, our employees, the global economy, and financial markets.


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The foregoing does not represent an exhaustive list of matters that may be
covered by the forward-looking statements contained herein or risk factors that
we are faced with that may cause our actual results to differ from those
anticipated in our forward-looking statements. For additional risks which could
adversely impact our business and financial performance please see "Risk
Factors" in our Annual Report on Form 10-K for the year ended December 31, 2021,
which was filed with the SEC on February 28, 2022, and other information
appearing elsewhere in our Annual Report on Form 10-K, this report on Form 10-Q
and our other filings with the SEC.

All forward-looking statements are expressly qualified in their entirety by this
cautionary notice. You are cautioned not to place undue reliance on any
forward-looking statements, which speak only as of the date of this report or
the date of the document incorporated by reference into this report. We have no
obligation, and expressly disclaim any obligation, to update, revise or correct
any of the forward-looking statements, whether as a result of new information,
future events or otherwise. We have expressed our expectations, beliefs, and
projections in good faith, and we believe they have a reasonable basis. However,
we cannot assure you that our expectations, beliefs, or projections will result
or be achieved or accomplished.

Overview

We are a global leader in computational science and artificial intelligence ("AI") that provides software and cloud solutions in simulation, high-performance computing ("HPC"), data analytics, and AI. We enable organizations across all industries to compete more effectively and drive smarter decisions in an increasingly connected world - all while creating a greener, more sustainable future.

Acquisitions



In September 2022, we acquired RapidMiner, a leader in advanced data analytics
and machine learning software. RapidMiner will be integrated with existing
tools, such as Altair Knowledge Studio, Altair SmartWorks, and Altair SLC, to
provide a comprehensive, code-optional, multi-language, SaaS-ready, cloud-scale
platform for enterprise data analytics and data science.

In June 2022, we acquired Concept Engineering, a leading provider of electronic
system visualization software that accelerates the development, manufacture, and
service of complex electrical and electronic systems. Concept Engineering's
software will be integrated into Altair's Electronic System Design suite and
will be available via Altair Units.

In June 2022, we acquired Gen3D, a startup out of the University of Bath, U.K.
Gen3D is a pioneer implementing the implicit geometry method for describing
highly complex geometries such as lattice structures in additive manufacturing.
The technology will be integrated into Altair Inspire, an intuitive and powerful
family of software products that enables simulation-driven design throughout the
entire product lifecycle, from concept to reality.

In March 2022, we acquired Powersim, a market-leading provider of simulation and
design tools for power electronics, including power supplies, motor drives,
control systems, and microgrids. This acquisition expands Altair's electronic
system design technology into the domain of power electronics. Powersim's
software will be integrated into Altair's Electronic System Design suite and
will be available via Altair Units.

In February 2022, we acquired Cassini, a next-generation cloud native technology
for Industry 4.0. With this acquisition, we deepen our expertise and strengthen
our ability to offer digital thread solutions via the Altair One cloud platform.

Convertible Senior Notes

2027 Notes

In June 2022, we issued $230.0 million aggregate principal amount of 1.750%
convertible senior notes due in 2027 (the "2027 Notes"), which includes the
initial purchaser's exercise in full of its option to purchase an additional
$30.0 million principal amount of the 2027 Notes, in a private offering. The net
proceeds from the issuance of the 2027 Notes was approximately $224.3 million
after deducting discounts, commissions and estimated issuance costs.

We entered into an Indenture relating to the issuance of the 2027 Notes dated
June 14, 2022 (the "Indenture"), by and between the Company and U.S. Bank Trust
Company, National Association, as trustee. The Indenture includes customary
covenants and sets forth certain events of default after which the 2027 Notes
may be declared immediately due and payable and sets forth certain types of
bankruptcy or insolvency events of default involving the Company after which the
2027 Notes become automatically due and payable. The 2027 Notes are senior
unsecured obligations of the Company.

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The 2027 Notes mature on June 15, 2027, unless earlier repurchased, redeemed or
converted. We may redeem for cash all or, subject to certain limitations, any
portion of the 2027 Notes, at our option, on or after June 20, 2025 if the last
reported sale price of our Class A Common Stock has been at least 130% of the
conversion price then in effect for at least 20 trading days (whether or not
consecutive) during any 30 consecutive trading day period, at a redemption price
equal to 100% of the principal amount of the notes to be redeemed, plus accrued
and unpaid interest to, but excluding, the redemption date. The 2027 Notes bear
interest at a rate of 1.750% per year, payable semiannually in arrears on June
15 and December 15 of each year, beginning on December 15, 2022.

The 2027 Notes have an initial conversion rate of 13.9505 shares of our Class A
common stock per $1,000 principal amount of 2027 Notes, which is equivalent to
an initial conversion price of approximately $71.68 per share of Class A common
stock. The conversion rate will be subject to adjustment upon the occurrence of
certain events specified in the Indenture but will not be adjusted for any
accrued and unpaid interest. In addition, upon the occurrence of a make whole
fundamental change or a redemption period (each as defined in the Indenture), we
will, in certain circumstances, increase the conversion rate by a specified
number of additional shares for a holder who elects to convert its 2027 Notes in
connection with such make whole fundamental change or during the relevant
redemption period.

Holders of the 2027 Notes may convert all or any portion of their 2027 Notes at
any time prior to the close of business on the business day immediately
preceding December 15, 2026, in integral multiples of $1,000 principal amount,
only under the following circumstances:


during any calendar quarter commencing after the calendar quarter ending on
September 30, 2022, if the last reported sale price of the Class A Common Stock
for at least 20 trading days (whether or not consecutive) during a period of 30
consecutive trading days ending on, and including, the last trading day of the
immediately preceding calendar quarter is greater than or equal to 130% of the
conversion price on each applicable trading day;


during the five business day period after any five consecutive trading day
period (the "measurement period") in which the trading price (as defined in the
Indenture) per $1,000 principal amount of the 2027 Notes for each trading day of
the measurement period was less than 98% of the product of the last reported
sale price of the Class A Common Stock and the conversion rate on each such
trading day;


if we call the 2027 Notes for redemption (which the Company may not do prior to
June 20, 2025), at any time prior to the close of business on the scheduled
trading day immediately preceding the redemption date but only with respect to
the 2027 Notes called (or deemed called) for redemption; or

upon the occurrence of specified corporate events.



On or after December 15, 2026 until the close of business on the business day
immediately preceding the maturity date, holders may convert their 2027 Notes at
any time, regardless of the foregoing circumstances. Upon conversion, we will
pay or deliver, as the case may be, cash, shares of Class A Common Stock or a
combination of cash and shares of Class A Common Stock, at our election, in the
manner and subject to the terms and conditions provided in the Indenture.

2024 Notes



In June 2022, using proceeds from the issuance of the 2027 Notes, we retired
approximately $148.2 million principal amount of our convertible senior notes
which mature in 2024 (the "2024 Notes" and together with the 2027 Notes, the
"Convertible Notes"), by paying cash of approximately $192.4 million including
accrued and unpaid interest.

Credit Agreement

In June 2022, we amended our $150.0 million credit facility to, among other things, permit the issuance of the 2027 Notes and extend the maturity date of the credit facility to December 15, 2025.

Impact of COVID-19



In March 2020, The World Health Organization declared the outbreak of COVID-19 a
pandemic and a public health emergency of international concern. The global
spread of COVID-19, including new and emerging variants, has created significant
volatility and uncertainty since March 2020 and may continue into the future.


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We are unable to accurately predict the full impact that COVID-19 will have due
to numerous uncertainties, including the full scope of the disease, the duration
of the outbreak, the number and intensity of subsequent waves of infections,
actions that may be taken by governmental authorities, the impact to the
businesses of our customers and partners, the development of treatments and
vaccines, and other factors identified in Part I, Item 1A - Risk Factors
included in our Annual Report on Form 10-K for the year ended December 31, 2021.
We will continue to evaluate the nature and extent of the impact to our
business, consolidated results of operations, and financial condition.

Factors Affecting our Performance



We believe that our future success will depend on many factors, including those
described below. While these areas present significant opportunity, they also
present risks that we must manage to achieve successful results. If we are
unable to address these challenges, our business, operating results and
prospects could be harmed. Please see "Risk Factors" in our Annual Report on
Form 10-K for the year ended December 31, 2021.

Seasonality and quarterly results



Our billings have historically been highest in the first and fourth quarters of
any calendar year and may vary in future quarters. The timing of recording
billings and the corresponding effect on our cash flows may vary due to the
seasonality of the purchasing and payment patterns of our customers. In
addition, the timing of the recognition of revenue, the amount and timing of
operating expenses, including employee compensation, sales and marketing
activities, and capital expenditures, may vary from quarter-to-quarter which may
cause our reported results to fluctuate significantly. In addition, we may
choose to grow our business for the long-term rather than to optimize for
profitability or cash flows for a particular shorter-term period. This
seasonality or the occurrence of any of the factors above may cause our results
of operations to vary and our financial statements may not fully reflect the
underlying performance of our business.

Integration of recent acquisitions



We believe that our recent acquisitions result in certain benefits, including
expanding our portfolio of software and products and enabling us to better serve
our customers' requests for data analytics and simulation technology. However,
to realize some of these anticipated benefits, the acquired businesses must be
successfully integrated. The success of these acquisitions will depend in part
on our ability to realize these anticipated benefits. We may fail to realize the
anticipated benefits of these acquisitions for a variety of reasons.

Foreign currency fluctuations



Because of our substantial international operations, we are exposed to foreign
currency risks that arise from our normal business operations, including in
connection with our transactions that are denominated in foreign currencies,
including the Euro, British Pound Sterling, Indian Rupee, Japanese Yen, and
Chinese Yuan. To identify changes in our underlying business without regard to
the impact of currency fluctuations, we evaluate certain of our operating
results both on an as reported basis, as well as on a constant currency basis.
For the remainder of our current fiscal year, we anticipate that our revenues
and profit may be adversely impacted by changes in foreign currency rates.

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Business Segments

We have identified two reportable segments: Software and Client Engineering Services:


Software -Our Software segment includes software and software related services.
The software component of this segment includes our portfolio of software
products including our solvers and optimization technology products,
high-performance computing software applications and hardware products, modeling
and visualization tools, data analytics and analysis products, IoT platform and
analytics tools, as well as support and the complementary software products we
offer through our Altair Partner Alliance, or APA. The APA includes technologies
ranging from computational fluid dynamics and fatigue, to manufacturing process
simulation and cost estimation. The software related services component of this
segment includes consulting, and training focused on product design and
development expertise and analysis from the component level up to complete
product engineering at any stage of the lifecycle.


Client Engineering Services -Our client engineering services, or CES, segment
provides client engineering services to support our customers with long-term,
ongoing expertise. We operate our CES business by hiring engineers and data
scientists for placement at a customer site for specific customer-directed
assignments. We employ and pay them only for the duration of the placement.

Our other businesses which do not meet the criteria to be separate reportable
segments are combined and reported as "Other" which represents innovative
services and products, including toggled, our LED lighting business. toggled is
focused on developing and selling next-generation solid state lighting
technology along with communication and control protocols based on our
intellectual property for the direct replacement of fluorescent light tubes with
LED lamps. Other businesses combined within Other include potential services and
product concepts that are still in development stages.

For additional information about our reportable segments and other businesses,
see Note 14 in the Notes to consolidated financial statements in Item 1, Part I
of this Quarterly Report on Form 10-Q.

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Results of operations

Comparison of the three and nine months ended September 30, 2022 and 2021

The following table sets forth the results of operations and the period-over-period percentage change in certain financial data for the three and nine months ended September 30, 2022 and 2021:



                                      Three Months Ended          Increase /           Nine Months Ended          Increase /
                                         September 30,            (decrease)             September 30,            (decrease)
(in thousands)                        2022          2021              %               2022          2021              %
Revenue:
Software                            $ 103,765     $ 102,289                  1 %    $ 361,555     $ 331,388                  9 %
Software related services               6,706         7,650                (12 %)      23,143        23,229                 (0 %)
Total software and related
services                              110,471       109,939                  0 %      384,698       354,617                  8 %
Client engineering services             7,355        10,060                (27 %)      22,414        31,005                (28 %)
Other                                   1,525         1,308                 17 %        4,676         5,760                (19 %)
Total revenue                         119,351       121,307                 (2 %)     411,788       391,382                  5 %
Cost of revenue:
Software                               15,604        16,464                 (5 %)      50,014        49,074                  2 %
Software related services               5,240         5,707                 (8 %)      16,739        17,560                 (5 %)
Total software and related
services                               20,844        22,171                 (6 %)      66,753        66,634                  0 %
Client engineering services             5,835         7,982                (27 %)      18,390        25,163                (27 %)
Other                                   1,230         1,348                 (9 %)       3,892         5,072                (23 %)
Total cost of revenue                  27,909        31,501                (11 %)      89,035        96,869                 (8 %)
Gross profit                           91,442        89,806                  2 %      322,753       294,513                 10 %
Operating expenses:
Research and development               48,781        35,839                 36 %      138,352       112,872                 23 %
Sales and marketing                    39,244        30,589                 28 %      114,042        94,568                 21 %
General and administrative             24,677        22,196                 11 %       72,613        67,983                  7 %
Amortization of intangible assets       6,571         4,432                 48 %       18,682        13,924                 34 %
Other operating income, net            (2,835 )      (1,324 )              114 %       (9,383 )      (2,526 )              271 %
Total operating expenses              116,438        91,732                 27 %      334,306       286,821                 17 %
Operating (loss) income               (24,996 )      (1,926 )            1,198 %      (11,553 )       7,692                 NM
Interest expense                        1,566         3,037                (48 %)       2,851         8,998                (68 %)
Other expense, net                      2,107           124                 NM         26,082         1,667                 NM
Loss before income taxes              (28,669 )      (5,087 )              464 %      (40,486 )      (2,973 )            1,262 %
Income tax expense                      4,579         3,022                 52 %       15,008         4,424                239 %
Net loss                            $ (33,248 )   $  (8,109 )               NM      $ (55,494 )   $  (7,397 )               NM
Other financial information:
Billings(1)                         $ 122,939     $ 117,156                  5 %    $ 419,698     $ 380,731                 10 %
Adjusted EBITDA(2)                  $   6,829     $  14,832                (54 %)   $  69,859     $  61,288                 14 %
Net cash provided by operating
activities                                                                          $  26,534     $  55,594                (52 %)
Free cash flow(3)                                                                   $  19,813     $  48,783                (59 %)


NM Not meaningful.
(1)
Billings consists of our total revenue plus the change in our deferred revenue,
excluding deferred revenue from acquisitions. For more information about
Billings and our other non-GAAP financial measures and reconciliations of our
non-GAAP financial measures to the most directly comparable financial measures
calculated and presented in accordance with GAAP, see "Non-GAAP financial
measures" contained herein.
(2)
We define Adjusted EBITDA as net income (loss) adjusted for income tax expense
(benefit), interest expense, interest income and other, depreciation and
amortization, stock-based compensation expense, restructuring charges, asset
impairment charges and other special items as determined by management. For more
information about Adjusted EBITDA and our other non-GAAP financial measures and
reconciliations of our non-GAAP financial measures to the most directly
comparable financial measure calculated and presented in accordance with GAAP,
see "Non-GAAP financial measures" contained herein.
(3)
We define Free Cash Flow as net cash provided by operating activities less
capital expenditures. For a reconciliation of Free Cash Flow, see "Non-GAAP
financial measures" contained herein.



                                       31
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Three months ended September 30, 2022 and 2021



Revenue

Software

                                             Three Months Ended
                                                September 30,               Period-to-period change
(in thousands)                               2022          2021               $                     %
Software revenue                           $ 103,765     $ 102,289     $          1,476                 1 %

As a percent of software segment revenue 94 % 93 % As a percent of consolidated revenue

              87 %          84 %




Software revenue increased 1% or for the three months ended September 30, 2022,
as compared to the three months ended September 30, 2021, or 10% in constant
currency. The increase was driven by growth across all three geographic regions,
and supported by increases in new and expansion business, as well as retention
in our renewal base.

Software related services

                                              Three Months Ended
                                                 September 30,                Period-to-period change
(in thousands)                                2022           2021              $                    %

Software related services revenue $ 6,706 $ 7,650 $

       (944 )                (12 %)
As a percent of software segment revenue            6 %            7 %
As a percent of consolidated revenue                6 %            6 %



Software related services revenue decreased $0.9 million for the three months
ended September 30, 2022, as compared to the three months ended September 30,
2021. The decrease was a result of fewer projects in the current quarter.

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