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 appearing elsewhere in this Annual Report on Form
10-K. As discussed in the section titled "Forward Looking Statements," the
following discussion and analysis contains forward looking statements that
involve risks and uncertainties, as well as assumptions that, if they never
materialize or prove incorrect, could cause our results to differ materially
from those expressed or implied by such forward looking statements. Factors that
could cause or contribute to these differences include, but are not limited to,
those identified below and those discussed in the section titled "Risk Factors"
in Part I, Item 1A of this Annual Report on Form 10-K.

A discussion regarding our financial condition and results of operations for
2021 compared to 2020 is presented below. A discussion regarding our financial
condition and results of operations for 2020 compared to 2019 can be found in
"Management's Discussion and Analysis of Financial Condition and Results of
Operations" in Part II, Item 7 of our Annual Report on Form 10-K for the year
ended December 31, 2020, filed with the SEC on March 11, 2021.

                                    Overview

Datto is the leading global provider of security and cloud-based software
solutions purpose-built for delivery through the managed service provider, or
MSP, channel to small and medium businesses, or SMBs. We enable our more than
18,500 MSP partners to manage and grow their businesses serving the SMB
information technology, or SMB IT, market. Our platform combines
mission-critical cloud-based software, technologies and security solutions that
MSPs sell to SMBs, business management software to help MSPs scale their own
businesses, and marketing tools, content, training and industry-leading events
that cultivate an empowered and highly engaged MSP partner community.

MSPs represent the future of IT management for SMBs. Digital transformation is
driving SMB adoption of modern software and technology, while regulatory and
data protection requirements and proliferating security threats are increasing
the complexity and risk of IT for SMBs. These trends have created an inflection
point in SMB outsourcing to MSPs for IT management. MSPs are equipped with the
IT resources and expertise SMBs lack, providing a single source to meet all of
an SMB's IT needs. MSPs are trusted to select, procure, implement and manage
software and technology stacks that support their SMB customers' business needs.
The number of MSPs continues to grow, with approximately 132,000 MSPs providing
this critical function to millions of SMBs worldwide.

We are committed to the success of MSPs. It is the foundation of our strategy
and culture. We empower our MSP partner channel, creating enormous sales and
support leverage for us to efficiently address the large, but fragmented, SMB IT
market. Our MSP-centric platform enables our partners to generate recurring
revenue through the sale of our solutions to SMBs and to scale and effectively
manage their own businesses. Our relationships are directly with our MSP
partners. We are the leading pure-play vendor serving the MSP market, and
believe our MSP-centric approach is highly differentiating as it aligns our
mutual incentives, creates a motivated and engaged sales channel and reinforces
our position as an integral component of our MSP partners' businesses.

Our cloud-based platform provides Unified Continuity, Networking, Endpoint
Management and Business Management software solutions. Our Unified Continuity
offerings ensure the ongoing availability and security of mission-critical IT
systems for SMBs in both private and public clouds. Datto's business continuity
and disaster recovery, or BCDR, software enables rapid restoration of an SMB's
full IT environment. Datto's SaaS Protection is a reliable, automated and secure
backup and restoration product for data stored on cloud applications such as
Microsoft 365 and Google Workspace. Datto Networking constitutes a suite of
MSP-centric networking solutions sold through our MSP partners to easily deliver
networking as a managed service. These solutions are simple for MSPs to deploy,
configure and manage across their SMB customers through a single portal. Our
Endpoint Management software allows MSPs to remotely manage, monitor and secure
SMB endpoints. Business Management software provides critical operational tools
to MSPs for efficient workflow management and delivery of end-to-end managed
services. Our platform also includes a host of business development tools,
training and content to help MSPs address the challenges of marketing and
selling to SMB customers.

During 2021 we launched two new cloud-based solutions - DCMA and SaaS Defense.
DCMA is a comprehensive BCDR solution that protects MSPs and their clients' data
in the public cloud in the event of malicious ransomware attacks, security
breaches, and vendor outages. SaaS Defense is an advanced threat protection and
spam-filtering solution that provides MSPs with patented technology to
proactively detect and prevent malicious malware, phishing, and Business Email
Compromise ("BEC") attacks that target Microsoft Exchange, OneDrive, SharePoint,
and Teams. The product was built on technology obtained in Datto's acquisition
of Israel-based cyber threat detection company BitDam in early 2021.

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                               Our Business Model

Our cloud-based solutions are purpose-built to address the needs of MSPs and to enable the end-to-end delivery of managed services to their SMB customers.



We generate substantially all our revenue from the sale of subscriptions to our
cloud-based solutions and recognize revenue ratably over the subscription term.
These contracts typically begin with a 1-year or 3-year term and auto-renew on a
monthly or annual basis thereafter. For certain offerings, we enable our ongoing
subscription services with an up-front sale of equipment or professional
services, for which we recognize revenue at the time of delivery and
performance. The majority of our partners pay on a monthly basis, regardless of
term length, with some opting to make quarterly, annual or multi-year
prepayments.

Unified Continuity subscriptions are priced based on service tier, which is
determined by data storage capacity and data retention period for our BCDR
products, or by number of Microsoft 365 or Google Workspace employee accounts at
the SMB domains that our MSP partners protect and data retention period for SaaS
Protection+ offerings. Networking subscriptions are priced based on the volume
and type of networking devices ordered. Endpoint Management subscriptions are
priced per endpoint device at the SMB for our RMM software. Business Management
subscriptions are priced based on the number of employees at an MSP that are
able to utilize our PSA product.

We employ a highly efficient land-and-expand sales strategy facilitated by
offering products that are reliable, easy to adopt and that drive recurring
revenue growth and margin efficiency for our MSP partners. We sell our solutions
to MSPs primarily through our sales team, leveraging the reach of our MSP
partners and providing them with self-service options to upgrade service tiers,
add volume and purchase additional solutions. Our MSP partners often
significantly increase usage from their initial purchase and expand their usage
to other products on our platform. We also provide access to business
development tools and content to help MSPs address the challenges of marketing
and selling to SMB customers. We grow alongside our MSP partners as they deploy
our solutions across their existing SMB customers, add new customers and upgrade
service tiers.

As of December 31, 2021, our ARR was $658.4 million and our revenue for the year
ended December 31, 2021 was $618.7 million, of which approximately 93% was
recurring subscription revenue. For the year ended December 31, 2021, our net
income was $51.4 million and our Adjusted EBITDA was $175.4 million. As of
December 31, 2020, our ARR was $542.8 million and our revenue for the year ended
December 31, 2020, was $518.8 million, of which approximately 94% was recurring
subscription revenue. For the year ended December 31, 2020, our net income was
$22.5 million and our Adjusted EBITDA was $150.5 million. Refer to our
discussion of ARR in Key Performance Metrics and Adjusted EBITDA in Non-GAAP
Financial Measures.


                            Trends and Uncertainties


Impact of COVID-19

While we have not incurred significant disruptions from the COVID-19 pandemic,
there remains uncertainty relating to the ultimate impact of the pandemic on our
business because of numerous global factors, including but not limited to, the
severity of the disease, the duration of the pandemic, the reoccurrence or
emergence of variants of the virus, the effectiveness and speed of vaccinations,
actions taken by government authorities, the impact on our customers and
suppliers, supply chain constraints, labor shortages, inflationary pressure and
other factors. Specifically, we may experience impacts from customers deferring
purchasing and activation decisions, reducing expenses and requesting extended
payment terms or relief from payments.

Our condensed consolidated financial statements reflect estimates and
assumptions made by management that affect the reported amounts of assets and
liabilities, disclosures of contingent assets and liabilities at the date of the
condensed consolidated financial statements and the reported amounts of revenues
and expenses during the reporting periods. Significant estimates and assumptions
reflected in our condensed consolidated financial statements include, but are
not limited to, establishing allowances for doubtful accounts, assessing the
recoverability of prepaid assets, including trade shows and other marketing
events impacted by the pandemic, determining useful lives for finite-lived
assets, assessing the recoverability of long-lived assets, determining the fair
value of assets acquired and liabilities assumed in business combinations,
accounting for income taxes and related valuation allowances against deferred
tax assets, valuing stock-based awards, recognizing revenue and the estimate for
sales returns and upgrades, determining the amortization period for capitalized
commissions and assessing the accounting treatment for commitments and
contingencies. Management evaluates these estimates and assumptions on an
ongoing basis and makes estimates based on historical experience and various
other considerations that are believed to be reasonable. Actual results may
differ from those estimates, including as a result of the COVID-19 pandemic. We
will continue to evaluate the nature and extent of the impact of the pandemic on
our business and our consolidated results of operations and financial condition.


Macro-Economic or Industry Trends

We believe favorable industry trends will contribute to the growth of our business, including: increased adoption by SMBs of digital and cloud-based technologies; increasing complexity in IT, which impacts the ability of SMBs to evaluate, select and implement an optimal


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IT environment; increased exposure and vulnerability of SMBs to security and
regulatory risk, including as a result of cyberattacks; lack of SMB
sophistication to meet the expanding challenges of IT management; and the costs
of downtime or data loss that can be meaningful and continue to expand.

The customer base of our partners continues to expand, as evidenced by the anticipated 13.4% increase in available market reported by Frost & Sullivan during 2021. The demand for MSPs grows as i) more SMBs embrace digital transformation, including a shift to the cloud, ii) the move to remote work continues, and iii) educational organizations and governmental agencies begin to use MSPs to provide IT services.


                     Key Factors Affecting Our Performance

Addition of New MSPs



Our ability to attract new partners will depend on a number of factors,
including the effectiveness of our pricing and products, offerings of our
competitors, the effectiveness of our marketing efforts, and the growth of the
MSP market. We believe there is substantial opportunity to increase our
penetration among MSPs. We intend to drive new partner acquisition by continuing
to invest significantly in sales and marketing to identify and engage
prospective partners and to extend the awareness of our brand as a trusted
partner to the MSP community. We believe our singular dedication to the MSP
channel and our solutions that are purpose-built to meet the needs of MSPs
differentiates us in the marketplace. We intend to continue to grow the number
of sales representatives to qualify and close new partner opportunities. In
addition, we intend to continue investing in marketing programs, events and
content to drive brand awareness, generate leads and cultivate the broader MSP
ecosystem. As of December 31, 2021, we had approximately 18,500 MSP partners, a
net increase of approximately 1,500 since December 31, 2020.

Sales Expansion Within Our Existing Partner Base



Our ability to expand sales within our existing partner base will depend on a
number of factors, including their satisfaction with our solutions and support,
competition, the effectiveness of the business development tools we provide to
our partners and the ability of our partners to grow their sales. Our large base
of partners represents a significant opportunity for further sales expansion.
Once an MSP has become our partner, we aim to grow alongside them as they
increase penetration of our solutions across their existing SMB partner base,
attract additional SMB customers, upgrade service tiers and adopt additional
Datto solutions. We have a strong track record of growth from our existing base
as evidenced by our history of partner cohort expansion and our dollar-based net
retention rate, which was 116% and 111% as of December 31, 2021 and 2020,
respectively. We intend to continue to invest in MSP self-service procurement
tools to further enable a frictionless purchasing process, grow the number of
sales representatives to facilitate increased partner adoption of our solutions
and invest in enabling our partners' sales teams through our marketing
automation platform, programs, content, training and certifications for MSPs. As
of December 31, 2021, over 1,400 of our MSP partners contributed ARR of $100,000
or more, up from over 1,100 as of December 31, 2020. See "Key Performance
Metrics" below for a definition of dollar-based net retention rate and ARR.

Innovation and Introduction of New Platform Solutions



Our continued growth is dependent upon our ability to sustain innovation in
order to maintain a competitive advantage. We recognize that the pace of
technological innovation is accelerating and that we need to continue to
innovate to maintain our product differentiation. We continually invest in
improving our existing solutions and creating new mission-critical solutions to
anticipate the evolving IT demands of MSPs and their SMB customers. In addition,
we evaluate strategic investments in businesses and technologies to drive
product and market expansion. For example, in January 2022 we acquired Infocyte,
a threat detection and response company, extending Datto's security capabilities
that protect, detect, and respond to cyber threats found within endpoints and
cloud environments; in March 2021, we acquired BitDam Ltd., an Israel-based
cyber threat detection company ("BitDam"), which served as the foundation of
SaaS Defense; and in July 2020 we acquired Gluh Pty. Ltd., and Keystone Software
Holdings Pty Ltd., two affiliated Australia-based companies which offer a
real-time quoting platform that enables MSPs to simplify the procurement of IT
products and services for their end customers, which was the foundation of Datto
Commerce.

Expansion of Our International Footprint



Our international growth in any region will depend on our ability to effectively
implement our business processes and go-to-market strategy, our ability to adapt
to market or cultural differences, the competitive landscape, the maturity and
growth trajectory of the MSP market and our brand awareness and perception. We
believe there is significant opportunity to expand internationally. For 2021 and
2020, our international revenue was approximately 30% and 27%, respectively, of
our total revenue, reflecting our investment in international markets. We intend
to continue to make significant investments in international markets,
particularly in EMEA and APAC. This may include investing in additional sales
and marketing personnel, localizing product offerings and marketing content, and
adding
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new data-center or office locations. Although these investments may adversely
affect our operating results in the near term, we believe they will contribute
to our long-term growth.

                            Key Performance Metrics

In addition to our GAAP financial information, we review a number of operating and financial metrics, including the following key metrics, to evaluate our business, measure our performance, identify trends affecting our business, formulate business plans and make strategic decisions.

MSP Partners



The number of MSP partners represents the number of MSPs with active
subscriptions as of the end of the period. We use this number to assess our
ability to attract and retain MSP partners and thereby grow our business. As of
December 31, 2021, we had over 18,500 MSP partners, a net increase of
approximately 1,500 since December 31, 2020. Net changes in the number of our
MSP partners are a result of the total new partners added during a period,
largely based on our sales and marketing efforts, and the churn or reduction of
existing partners during the period, which can be affected by the broader
economic environment and factors such as the effects of COVID-19 on our
partners' SMB end customers. As a result of our land-and-expand model, our
revenue growth is driven principally by additional revenue from existing MSP
partners. We view new MSP partner additions as a leading indicator of the health
of the business, but the additions do not immediately drive material revenue
growth in our reported results of operations.

Annual Run-Rate Revenue



We define annual run-rate revenue, or ARR, as the annualized value of all
subscription agreements as of the end of a period. We calculate ARR by
multiplying the monthly run-rate revenue for the last month of a period by 12.
Monthly run-rate revenue is calculated by aggregating monthly subscription
values during the final month of the reporting period from both long-term and
month-to-month subscriptions. ARR only includes the annualized value of
subscription contracts and excludes any one-time revenue for devices or
professional services. ARR mitigates fluctuations resulting from seasonality and
contract term. ARR does not have any standardized meaning and is therefore
unlikely to be comparable to similarly titled measures presented by other
companies. ARR should be viewed independently of revenue and deferred revenue
and is not intended to be combined with or to replace either of those items. ARR
is not a forecast and the active contracts at the date used in calculating ARR
may or may not be extended or renewed by our MSP partners.

The table below sets forth our ARR as of December 31, 2021, 2020 and 2019:



                         As of December 31,
 (in millions)     2021         2020         2019
ARR              $ 658.4      $ 542.8      $ 474.8


ARR includes run-rate revenue values from month-to-month subscription contracts.
For the years ended December 31, 2021, and 2020 approximately 40% and 42%,
respectively, of our ARR was derived from month-to-month contracts. The decrease
in percent of ARR from month-to-month contracts reflects our improvement in
securing more long-term contracts in the current year as the COVID-19 pandemic
slowed the addition of long-term contracts during 2020.

Our dollar-based gross retention rate as of December 31, 2021, 2020 and 2019,
was approximately 89%, 88% and 88%, respectively. Our dollar-based gross
retention rate reflects ARR losses from subscription cancellations, reductions
in service levels or seat counts and non-renewals, and does not reflect any ARR
expansion. We calculate our dollar-based gross retention rate as of the period
end by starting with the ARR from the last day of the period one year prior, or
Prior Period ARR. We then deduct from the Prior Period ARR any (i) ARR attrition
from MSP partners who are no longer partners as of the last day of the period,
and (ii) ARR compression from MSP partners whose subscriptions are at a lower
value as of the last day of the period, or Remaining ARR. We then divide the
Remaining ARR by the Prior Period ARR to arrive at our dollar-based gross
retention rate, which is the percentage of ARR from all MSP partners as of the
year prior that is not lost to partner churn or subscription compression. Given
the meaningful percentage of our subscription revenue derived from
month-to-month contracts, the approximately 89% dollar-based gross retention
rate demonstrates that a large majority of our MSP partners continue to renew
their subscription contracts, whether on a month-to-month or longer term basis.
Based on our experience, we do not believe month-to-month contracts experience
significantly higher attrition than longer-term subscription contracts.

Dollar-Based Net Retention Rate



To evaluate the efficacy of our land-and-expand business model, we examine the
rate at which our partners increase their subscriptions for our solutions which
result in changes to ARR. Our dollar-based net retention rate measures our
ability to increase ARR
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across our existing partner base through expanded use of our platform, offset by
MSP partners whose subscription contracts with us are not renewed or are renewed
at a lower amount.
We calculate our dollar-based net retention rate as of the end of a reporting
period as a quotient of the following:

•Denominator: ARR as of the last day of the prior year comparative reporting
period.
•Numerator: ARR as of the last day of the current reporting period from partners
with associated ARR as of the last day of the prior year comparative reporting
period.

The quotient obtained from this calculation is our dollar-based net retention
rate. We believe our ability to grow alongside our MSP partners as they deploy
our solutions to more SMBs, and to cross-sell additional solutions, will
continue to support our high dollar-based net retention rate.

As of December 31, 2021, 2020 and 2019, our dollar-based net retention rate was 116%, 111% and 119%, respectively.

Because existing MSP partners drive the vast majority of our revenue growth in any given year, we believe our revenue growth is strongly correlated to our dollar-based net retention rate.


                      Components of Results of Operations

Revenue

We generate revenue primarily from fees received for subscriptions to our products and services, and also from the sale of BCDR and Networking devices and professional services associated with our Business Management offerings.



Subscription. We derive revenue primarily from security and cloud-based software
solutions sold on a recurring subscription basis. Subscription revenue is
recognized ratably over the subscription term after all revenue recognition
criteria have been met. We generally invoice subscription agreements monthly
over the subscription period. Subscription revenue for our Unified Continuity,
Networking and Endpoint Management solutions grows as the end-customers, managed
by our MSP partners, add new subscription products, upgrade the service tier of
their existing subscription products, increase the usage of their subscription
products or add more end-user devices managed by their MSP. Revenue from our
Business Management solutions increases with the addition of employees of our
MSP partners who require seat licenses and as MSPs purchase Datto Commerce
subscriptions.



Device. Our device revenue is derived from the sale of devices in conjunction
with subscription solutions. Device revenue includes the sale of BCDR and
Networking devices which enable us to deliver our BCDR and Networking services
to our MSP partners under a recurring subscription model. Revenue from devices
in our Unified Continuity solution primarily consists of the sale of our
proprietary data storage devices. Revenue from devices in our Networking
solution primarily consists of the sale of wireless access points, switches and
edge routers. We recognize revenue at the point in time when control of the
device has transferred to the MSP or upon activation of the related
subscription. Revenue from devices does not contribute significantly to overall
revenue related to our Unified Continuity solutions.


Professional services and other. We derive revenue from professional services
associated with our Business Management offerings. These implementation and
consulting services include configuration, database merging and data migration.
Our professional services are generally priced on a time and materials basis and
invoiced monthly, with revenue recognized as the services are performed, and we
frequently discount our services to drive adoption of our business management
offerings.


Cost of revenue


Subscription. Subscription cost of revenue consists of costs directly related to
our subscription services, including personnel costs associated with operating
our Datto Cloud infrastructure and customer support operations, hosting and data
center related costs, third-party software licenses and allocated facilities and
overhead costs associated with delivering these services.


Device. Device cost of revenue consists of hardware, manufacturing, shipping and
logistics, personnel costs and allocated facilities and overhead costs
associated with the purchase, production and delivery of our devices. Our BCDR
products rely on a mix of off-the-shelf hardware and custom designed hardware.
Our Networking devices generally consist of off-the-shelf hardware, although
some of our devices feature a unique industrial design.


Professional services and other. Professional services and other cost of revenue
consists primarily of personnel costs and allocated facilities and overhead
costs associated with delivering implementation and consulting services. Our
professional services

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implementations aim to ensure higher software utilization and positive customer
satisfaction, in order to drive greater upsell opportunity and lower churn over
time.


Depreciation and amortization. Depreciation and amortization cost of revenue
consists of depreciation of our Datto Cloud infrastructure and amortization of
our acquired technology intangible assets.



Gross profit and gross margin

Gross profit, or revenue less cost of revenue, has been, and will continue to be, affected by various factors, including revenue fluctuations, the mix of revenue, the timing and amount of investments to expand our Datto Cloud infrastructure and launch new solutions, the use of third-party software licenses and stock-based compensation expense.

Operating expenses



Our operating expenses consist of sales and marketing, research and development
and general and administrative expenses as well as depreciation, amortization of
internally developed software and amortization of acquired intangible assets.
Personnel costs are the most significant component of operating expenses and
consist of salaries, benefits, bonuses, sales commissions, payroll taxes and
stock-based compensation expense. Other significant components of operating
expenses include professional fees, third-party software subscription costs,
facilities and overhead costs, events and travel, marketing and promotion costs,
payment processing fees and bad debt expense.

Sales and marketing



Sales and marketing expenses consist primarily of personnel costs, costs for
events and travel, costs of marketing and promotional activities, payment
processing fees and allocated facilities and overhead costs. Sales and marketing
expenses may fluctuate as a percentage of our revenue from period to period
because of the timing and extent of marketing activities, trade shows, and
events including DattoCon and MSP Technology Days, as well as the timing of
amortization of sales commissions and stock-based compensation expense.

Research and development



Research and development expenses consist primarily of personnel costs,
third-party professional fees and allocated facilities and overhead costs.
Research and development expense may fluctuate as a percentage of our revenue
from period to period because of the timing and extent of our investments in
research and development activities, as well as the timing of stock-based
compensation expense.

General and administrative



General and administrative expenses consist primarily of personnel costs across
the corporate functions of executive, finance, human resources, information
technology, internal operations and legal, as well as third-party professional
fees, bad debt expense, travel and costs for facilities. Following the
completion of our initial public offering ("IPO") we began incurring additional
general and administrative expenses as a result of operating as a publicly
listed company, including increased expenses for insurance, costs to comply with
the rules and regulations applicable to companies listed on a national
securities exchange, costs related to compliance and reporting obligations
pursuant to the rules and regulations of the SEC, expenses related to investor
relations, professional services fees, particularly for auditing, and increased
stock-based compensation expense.

Depreciation and amortization

Depreciation and amortization expenses in operating expenses consist of amortization of tradenames and partner relationship intangibles, depreciation of other property and equipment such as leasehold improvements, furniture and fixtures, and computer equipment, and amortization of internally developed software.



Other expense

Interest expense

Interest expense consists of interest payments on outstanding borrowings under
our credit facilities, as well as commitment fees under our credit facilities
and the amortization of debt issuance costs. In conjunction with our IPO in
October 2020, we repaid all amounts outstanding under our 2019 Credit Agreement.
In October 2020, Datto, Inc. and certain direct and indirect wholly-owned
subsidiaries of Datto, entered into the 2020 Credit Agreement with the lenders
party thereto and Morgan Stanley Senior Funding, Inc., as administrative agent,
which provides a $200.0 million revolving credit facility. As of December 31,
2021, no amounts had been drawn under the 2020 Credit Agreement. See "Liquidity
and Capital Resources-Credit Facilities" for additional details.
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Other (income) expense

Other (income) expense primarily consists of the net exchange (gains) or losses on foreign currency transactions and (gains) or losses on the disposal of assets.

Loss on extinguishment of debt




Loss on extinguishment of debt reflects the loss incurred in conjunction with
the termination of our credit facilities in both 2020 and 2019. See "Liquidity
and Capital Resources-Credit Facilities" for additional details.

(Benefit from) provision for income tax

(Benefit from) provision for income tax consists primarily of income taxes related to U.S. federal and state income taxes and income taxes in foreign jurisdictions in which we conduct business.

Stock-Based Compensation



The functional role of the holder determines the financial statement line item
within which stock-based compensation expense is recorded. Stock-based
compensation expense for awards which contained only a time-based vesting
condition was recorded in all periods presented. Stock-based compensation
expense for awards which contained both a time-based and a performance-based
vesting condition, which was the closing of an IPO, commenced during the fourth
quarter of 2020 as a result of our IPO. Additionally, in 2021 the Company issued
restricted stock units with performance-based vesting conditions in relation to
the acquisition of BitDam, for which stock-based compensation expense was
recorded based on the expected achievement of the performance targets.

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                             Results of Operations

The following table sets forth our consolidated statements of operations data
for the period indicated:

                                                      Year Ended December 31,
                                             2021              2020              2019
                                                          (in thousands)
Revenue:
Subscription                              $ 577,321      $       485,326      $ 412,167
Device                                       37,832               30,202         44,052
Professional services and other               3,504                3,257          2,533
Total revenue                               618,657              518,785        458,752
Cost of revenue:
Subscription(1)                              90,162               84,463         82,066
Device(1)                                    47,415               37,607         53,933
Professional services and other(1)            6,059                6,244    

5,563


Depreciation and amortization                32,712               21,890         15,745
Total cost of revenue                       176,348              150,204        157,307
Gross profit                                442,309              368,581        301,445
Operating expenses:
Sales and marketing(1)                      139,257              115,790        110,441
Research and development(1)                 107,899               78,932         60,459
General and administrative(1)               106,478               85,668    

73,903


Depreciation and amortization                26,471               27,223         27,417
Total operating expenses                    380,105              307,613        272,220
Income from operations                       62,204               60,968         29,225
Other expense:
Interest expense                                455               25,348         43,437
Loss on extinguishment of debt                    -                8,488         19,231
Other (income) expense, net                     387               (3,428)           256
Total other expense                             842               30,408         62,924
Income (loss) before income taxes            61,362               30,560    

(33,699)


(Provision for) benefit from income tax      (9,928)              (8,062)         2,511
Net income (loss)                         $  51,434      $        22,498      $ (31,188)

(1)Includes stock-based compensation expense as follows:


                                                         Year Ended December 31,
                                                     2021          2020          2019
                                                              (in thousands)
Cost of revenue-subscription                      $  4,302      $  4,092      $     98
Cost of revenue-device                                 193           203             -
Cost of revenue-professional services and other        200           418             -
Selling and marketing                                9,467         6,614         2,946
Research and development                            23,419        13,590         3,510
General and administrative                          11,328         8,543         5,661
Total stock-based compensation expense            $ 48,909      $ 33,460      $ 12,215



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The following table sets forth our consolidated statements of operations data
expressed as a percentage of total revenue for the period indicated (percentages
may not foot as a result of rounding):
                                                       Year Ended December 31,
                                                   2021                2020         2019
Revenue:
Subscription                                              93.3  %      93.6  %      89.8  %
Device                                                     6.1  %       5.8  %       9.6  %
Professional services and other                            0.6  %       0.6  %       0.6  %
Total revenue                                            100.0  %     100.0  %     100.0  %
Cost of revenue:
Subscription                                              14.6  %      16.3  %      17.9  %
Device                                                     7.7  %       7.2  %      11.8  %
Professional services and other                            1.0  %       1.2  %       1.2  %
Depreciation and amortization                              5.3  %       4.2  %       3.4  %
Total cost of revenue                                     28.5  %      29.0  %      34.3  %
Gross profit                                              71.5  %      71.0  %      65.7  %
Operating expenses:
Sales and marketing                                       22.5  %      22.3  %      24.1  %
Research and development                                  17.4  %      15.2  %      13.2  %
General and administrative                                17.2  %      16.5  %      16.1  %
Depreciation and amortization                              4.3  %       5.2  %       5.9  %
Total operating expenses                                  61.4  %      59.3  %      59.3  %
Income from operations                                    10.1  %      11.8  %       6.4  %
Other expense:
Interest expense                                           0.1  %       4.9  %       9.4  %
Loss on extinguishment of debt                               -  %       1.6  %       4.2  %
Other (income) expense, net                                0.1  %      (0.7) %       0.1  %
Total other expense                                        0.1  %       5.9  %      13.7  %
Income (loss) before income taxes                          9.9  %       5.9  %      (7.3) %
(Provision for) benefit from income tax                   (1.6) %      (1.6) %       0.5  %
Net income (loss)                                          8.3  %       4.3  %      (6.8) %


            Comparison of the Years Ended December 31, 2021 and 2020

Revenue
                                        Year Ended December 31,
                                          2021               2020         $ Change      % Change
                                                   (in thousands)
Revenue:
Subscription                      $     577,321           $ 485,326      $ 91,995         19.0  %
Device                                   37,832              30,202         7,630         25.3  %
Professional services and other           3,504               3,257           247          7.6  %
Total revenue                     $     618,657           $ 518,785      $ 99,872         19.3  %


Subscription

Subscription revenue increased $92.0 million, or 19.0%, for 2021 compared to
2020, including a benefit from favorable foreign exchange rates of approximately
2%. The increase in subscription revenue was primarily driven by increased sales
of our Unified Continuity and Endpoint Management cloud-based offerings, as well
as increased sales of our Business Management and Networking cloud-based
offerings. Recurring subscription revenue accounted for 93% of total revenue for
2021 compared to 94% for 2020.

Device

Device revenue increased $7.6 million, or 25.3%, for 2021 compared to 2020.


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Professional services and other



Professional services and other revenue increased $0.2 million, or 7.6%, for
2021 compared to 2020.

Cost of Revenue
                                        Year Ended December 31,
                                          2021               2020         $ Change      % Change
                                                   (in thousands)
Cost of revenue:
Subscription                      $      90,162           $  84,463      $  5,699          6.7  %
Device                                   47,415              37,607         9,808         26.1  %
Professional services and other           6,059               6,244          (185)        (3.0) %
Depreciation and amortization            32,712              21,890        10,822         49.4  %
Total cost of revenue             $     176,348           $ 150,204      $ 26,144         17.4  %


Subscription

Subscription cost of revenue increased $5.7 million, or 6.7%, for 2021 compared
to 2020. The increase was primarily driven by additional costs to support the
growth of our subscription offerings, including increased personnel costs and
higher service costs to support the growth of our Datto Cloud, including costs
related to the launch of our new SaaS Defense solution. We continued to realize
increased efficiencies, as subscription cost of revenue as a percentage of
subscription revenue declined from 17.4% in 2020 to 15.6% in 2021. Subscription
cost of revenue reflects stock-based compensation expense of $4.3 million and
$4.1 million for 2021 and 2020, respectively. In 2020, we recorded restructuring
costs of $0.5 million related to our reduction in workforce in subscription cost
of revenue.

Device

Device cost of revenue increased $9.8 million, or 26.1%, for 2021 compared to
2020, driven primarily by the 25.3% increase in device revenue and to a lesser
extent the impact of increased shipping costs. Device cost of revenue reflects
stock-based compensation expense of $0.2 million for each of 2021 and 2020.

Professional services and other



Professional services and other cost of revenue decreased $0.2 million, or 3.0%
for 2021 compared to 2020. Professional services and other cost of revenue
reflects stock-based compensation expense of $0.2 million and $0.4 million
during 2021 and 2020, respectively. In 2020, we recorded restructuring costs of
$0.1 million related to our reduction in workforce in professional services and
other cost of revenue.

Depreciation and amortization



Depreciation and amortization related to cost of revenue increased $10.8 million
for 2021 compared to 2020. The increase reflects higher depreciation expense in
2021 associated with the continued capital expenditures for our Datto Cloud
infrastructure to support the growth in subscriptions and the increase in
amortization of acquired intangible assets in 2021 as a result of recent
acquisitions. Depreciation expense was $23.3 million and $16.9 million in 2021
and 2020, respectively, and amortization of intangible assets was $9.5 million
and $5.0 million in 2021 and 2020, respectively.

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Gross Profit and Gross Margin

                                        Year Ended December 31,
                                         2021              2020         $ Change      % Change
                                                   (in thousands)
Gross profit:
Subscription                        $    487,159       $ 400,863       $ 86,296         21.5  %
Device                                    (9,583)         (7,405)        (2,178)        29.4  %
Professional services and other           (2,555)         (2,987)           432        (14.5) %
Depreciation and amortization            (32,712)        (21,890)       (10,822)        49.4  %
Total gross profit                  $    442,309       $ 368,581       $ 73,728         20.0  %
Gross margin:
Subscription                                84.4  %         82.6  %         179      bps
Device                                     (25.3) %        (24.5) %         (81)     bps
Professional services and other            (72.9) %        (91.7) %       1,879      bps
Total gross margin                          71.5  %         71.0  %          45      bps



Our gross profit increased $73.7 million, or 20.0%, and our gross margin
increased by 45 basis points for 2021 as compared to 2020, driven by the
increase in subscription gross profit and gross margin. The increase was
partially offset by higher depreciation and amortization expense, primarily as a
result of our investment in our Datto Cloud infrastructure and the amortization
of acquired intangible assets, and increased Device negative gross profit margin
in 2021 as compared to 2020. Subscription gross margin increased 179 basis
points for 2021 as compared to 2020 as a result of our revenue growth out pacing
the increased costs to provide our Unified Continuity solutions, although we did
incur additional costs in 2021 to launch our new SaaS Defense solution. Cost of
revenue reflects stock-based compensation expense of $4.7 million for each of
2021 and 2020. In 2020, we recorded restructuring costs of $0.6 million related
to our reduction in workforce in cost of revenue, including $0.5 million in
subscription cost of revenue and $0.1 million in professional services and other
cost of revenue.

Operating Expenses

                                       Year Ended December 31,
                                        2021              2020         $ Change      % Change
                                                  (in thousands)
Operating expenses:
Sales and marketing                $    139,257       $ 115,790       $ 23,467         20.3  %
Research and development                107,899          78,932         28,967         36.7  %
General and administrative              106,478          85,668         20,810         24.3  %
Depreciation and amortization            26,471          27,223           (752)        (2.8) %
Total operating expenses           $    380,105       $ 307,613       $ 72,492         23.6  %
As a percentage of total revenue
Sales and marketing                        22.5  %         22.3  %
Research and development                   17.4  %         15.2  %
General and administrative                 17.2  %         16.5  %


Sales and marketing

Sales and marketing expense increased $23.5 million, or 20.3%, for 2021 compared
to 2020, driven by increased personnel costs to support the growth in our
business, including higher commission expense and increased stock-based
compensation expense of $2.9 million, partially offset by lower restructuring
costs. Marketing and promotional costs also increased during 2021 as compared to
2020, as we increased our marketing efforts in support of our launch of DCMA and
SaaS Defense, as well as marketing efforts in support of our other solutions.
Sales and marketing expense included $9.5 million and $6.6 million of
stock-based compensation expense for 2021 and 2020, respectively. In 2020, we
recorded $1.9 million of restructuring costs related to our reduction in
workforce in sales and marketing expense.

Research and development



Research and development expense increased $29.0 million, or 36.7%, for 2021
compared to 2020, primarily driven by increases in personnel costs, including
increased stock-based compensation expense of $9.8 million and our continued
investment in innovation and information security. Research and development
expense included $23.4 million and $13.6 million of stock-based compensation
expense
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for 2021 and 2020, respectively. In 2020, we recorded $0.9 million of restructuring costs related to our reduction in workforce in research and development expense.

General and administrative



General and administrative expense increased $20.8 million, or 24.3%, for 2021
compared to 2020, driven primarily by increased personnel costs, including
increased stock-based compensation expense of $2.8 million, increased expenses
related to being a publicly listed company, higher expenses to support increased
levels of hiring, and transaction related and other expense. Partially
offsetting these increases were a $5.8 million reduction in bad debt expense
primarily as a result of improved collections activity. General and
administrative expense included $11.3 million and $8.5 million of stock-based
compensation expense for 2021 and 2020, respectively, and $5.2 million and $3.1
million of transaction related and other expense for 2021 and 2020,
respectively. In 2020, we recorded $0.4 million of restructuring costs related
to our reduction in workforce in general and administrative expense.

Depreciation and amortization



Depreciation and amortization expense related to operating expenses decreased
$0.8 million, or 2.8% for 2021 compared to 2020. Amortization of intangible
assets was $17.7 million in each of 2021 and 2020, and depreciation expense and
amortization of internally developed software was $8.8 million and $9.5 million
in 2021 and 2020, respectively.

Other Expenses

Interest expense



Interest expense decreased $24.9 million for 2021 compared to 2020 as a result
of the repayment of all outstanding debt with the proceeds from our IPO in the
fourth quarter of 2020. In conjunction with the IPO, we terminated our 2019
Credit Agreement and entered into the 2020 Credit Agreement. As of December 31,
2021 no amounts were drawn under the 2020 Credit Agreement and we had no
outstanding debt.

Loss on extinguishment of debt

A loss on extinguishment of debt of $8.5 million was recorded in 2020 as a result of our debt refinancing which took place in conjunction with our IPO.

Other (income) expense, net

Other (income) expense, net primarily relates to the impact of net exchange gains or losses on foreign currency balances, principally related to intercompany balances denominated in foreign currencies.

Provision for income taxes




We recorded a provision for income taxes of $9.9 million and $8.1 million for
2021 and 2020, respectively. The effective tax rate for 2021 and 2020 was 16.2%
and 26.4%, respectively. The effective tax rate in 2021 reflects the favorable
impact of an amendment to our 2018 and 2019 federal tax returns as a result of
clarification of certain tax guidance, a change in tax law in the state of
Connecticut resulting in the ability to utilize additional research and
development credits generated in prior years which impacted our valuation
allowance, and research and development credits generated in the current year,
partially offset by the impact of state income taxes and permanent differences
for non-deductible expenses. The effective tax rate for 2020 reflects the
unfavorable impact of permanent differences related to stock-based compensation
for certain employees and the impact of state income taxes, partially offset by
the favorable impact of research and development credits and foreign operations.



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                          Non-GAAP Financial Measures

In addition to our results determined in accordance with accounting principle
generally accepted in the United States ("GAAP"), we believe the non-GAAP
measures of Non-GAAP Gross Profit, Non-GAAP Income from Operations, Non-GAAP Net
Income and Adjusted EBITDA are useful in evaluating our operating performance.
We believe that non-GAAP financial information may be helpful to investors
because it provides consistency and comparability with past financial
performance and assists in comparisons with other companies, some of which use
similar non-GAAP information to supplement their GAAP results. The non-GAAP
financial information is presented for supplemental informational purposes only
and should not be considered a substitute for financial information presented in
accordance with GAAP, and may be different from similarly titled non-GAAP
measures used by other companies. A reconciliation is provided below for each
non-GAAP financial measure to the most directly comparable financial measure
stated in accordance with GAAP. Investors are encouraged to review the related
GAAP financial measures and the reconciliation of these non-GAAP financial
measures to their most directly comparable GAAP financial measures.

Non-GAAP Gross Profit



Non-GAAP Gross Profit is a supplemental measure of operating performance that is
not prepared in accordance with GAAP and that does not represent, and should not
be considered as, an alternative to gross profit, as determined in accordance
with GAAP. We define Non-GAAP Gross Profit as gross profit, adjusted for
amortization of acquired intangible assets, stock-based compensation expense,
and restructuring expense. We use Non-GAAP Gross Profit to understand and
evaluate our core operating performance and trends and to develop short-term and
long-term operating plans. We believe Non-GAAP Gross Profit is a useful measure
to us and to our investors to assist in evaluating our core operating
performance because it provides consistency and direct comparability with our
past financial performance and between fiscal periods, as the metric eliminates
the effects of variability of stock-based compensation expense and amortization
of acquired technology intangible assets, which are non-cash expenses that may
fluctuate for reasons unrelated to overall operating performance, as well as
restructuring expense, which is infrequent in nature. While the amortization
expense of acquired technology intangible assets is excluded from Non-GAAP Gross
Profit, the revenue related to acquired technology intangible assets is
reflected in Non-GAAP Gross Profit as these assets contribute to our revenue
generation. Non-GAAP Gross Profit has limitations as an analytical tool, and you
should not consider it in isolation, or as a substitute for analysis of our
results as reported under GAAP. Because of these limitations, Non-GAAP Gross
Profit should not be considered as a replacement for gross profit, as determined
by GAAP, or as a measure of our profitability. We compensate for these
limitations by relying primarily on our GAAP results and using non-GAAP measures
only for supplemental purposes. Our presentation of Non-GAAP Gross Profit should
not be construed to imply that our future results will be unaffected by the
types of items excluded from the calculation of Non-GAAP Gross Profit. Non-GAAP
Gross Profit is not a presentation made in accordance with GAAP and the use of
the term may vary from other companies.

A reconciliation of Non-GAAP Gross Profit to gross profit, the most directly comparable GAAP measure, is as follows:



                                                          Year Ended December 31,
                                                    2021            2020           2019
                                                               (in thousands)
    Gross profit                                 $ 442,309       $ 368,581      $ 301,445
    Amortization of acquired intangible assets       9,451           5,023          4,700
    Stock-based compensation expense                 4,695           4,713             98
    Restructuring expense(1)                             -             601              -
    Non-GAAP Gross Profit                        $ 456,455       $ 378,918      $ 306,243

(1)Restructuring expense primarily relates to severance costs incurred in connection with a reduction in workforce undertaken in Q2 2020 to align our cost structure to expectations of potentially reduced revenue resulting from the COVID-19 pandemic. Approximately $0.6 of restructuring expense was recorded within cost of revenue for 2020.

Non-GAAP Income from Operations



Non-GAAP Income from Operations is a supplemental measure of operating
performance that is not prepared in accordance with GAAP and that does not
represent, and should not be considered as, an alternative to income from
operations as determined in accordance with GAAP. We define Non-GAAP Income from
Operations as income from operations, adjusted for amortization of acquired
intangible assets, stock-based compensation, restructuring expense and
transaction related and other expense. We use Non-GAAP Income from Operations to
understand and evaluate our core operating performance and trends and to develop
short-term and long-term operating plans. We believe that Non-GAAP Income from
Operations facilitates comparison of our operating performance on a consistent
basis between periods, and when viewed in combination with our results prepared
in accordance with GAAP, helps provide a broader picture of factors and trends
affecting our results of operations. While the amortization expense of acquired
technology, partner
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relationships and tradenames is excluded from Non-GAAP Income from Operations,
the revenue related to acquired technology, partner relationships and tradenames
is reflected in Non-GAAP Income from Operations as these assets contribute to
our revenue generation. Non-GAAP Income from Operations has limitations as an
analytical tool, and you should not consider it in isolation, or as a substitute
for analysis of our results as reported under GAAP. Because of these
limitations, Non-GAAP Income from Operations should not be considered as a
replacement for operating income, as determined by GAAP, or as a measure of our
profitability. We compensate for these limitations by relying primarily on our
GAAP results and using non-GAAP measures only for supplemental purposes. Our
presentation of Non-GAAP Income from Operations should not be construed to imply
that our future results will be unaffected by the types of items excluded from
the calculation of Non-GAAP Income from Operations. Non-GAAP Income from
Operations is not a presentation made in accordance with GAAP and the use of the
term may vary from other companies.

A reconciliation of Non-GAAP Income from Operations to income from operations, the most directly comparable GAAP measure, is as follows:



                                                          Year Ended December 31,
                                                     2021           2020           2019
                                                               (in thousands)

     Income from operations                       $  62,204      $  60,968      $ 29,225
     Amortization of acquired intangible assets      27,139         22,679        22,600
     Stock-based compensation expense                48,909         33,460        12,215
     Restructuring expense(1)                             -          3,835             -
     Transaction related and other expense(2)         5,153          3,112             -
     Non-GAAP Income from Operations              $ 143,405      $ 124,054      $ 64,040



(1)Restructuring expense primarily relates to severance costs incurred in
connection with a reduction in workforce undertaken in Q2 2020 to align our cost
structure to expectations of potentially reduced revenue resulting from the
COVID-19 pandemic. Approximately $3.2 million and $0.6 million of restructuring
expense was recorded within operating expenses and cost of revenue,
respectively, for 2020.
(2)Transaction related and other expense consists of acquisition related costs,
litigation related charges or benefits and other unusual charges, as well as
costs incurred during the year ended December 31, 2020 to support our public
company readiness.

Non-GAAP Net Income

Non-GAAP Net Income is a supplemental measure of operating performance that is
not prepared in accordance with GAAP and that does not represent, and should not
be considered as, an alternative to net income (loss) as determined in
accordance with GAAP. We define Non-GAAP Net Income as net income (loss) before
income taxes, adjusted for loss on extinguishment of debt, amortization of
acquired intangible assets, stock-based compensation expense, restructuring
expense, and transaction related and other expense. The Company utilizes a
normalized non-GAAP tax rate to provide better consistency across the reporting
periods by eliminating the effects of non-recurring and period-specific items,
which can vary in size and frequency, and which are not necessarily indicative
of the Company's long-term operations. The normalized non-GAAP tax rate applied
to each period presented was 25%. We use Non-GAAP Net Income to understand and
evaluate our core operating performance and trends and to develop short-term and
long-term operating plans. We believe that Non-GAAP Net Income facilitates
comparison of our operating performance on a consistent basis between periods,
and when viewed in combination with our results prepared in accordance with
GAAP, helps provide a broader picture of factors and trends affecting our
results of operations. While the amortization expense of acquired technology,
partner relationships and tradenames is excluded from Non-GAAP Net Income, the
revenue related to acquired technology, partner relationships and tradenames is
reflected in Non-GAAP Net Income as these assets contribute to our revenue
generation. Non-GAAP Net Income has limitations as an analytical tool, and you
should not consider it in isolation, or as a substitute for analysis of our
results as reported under GAAP. Because of these limitations, Non-GAAP Net
Income should not be considered as a replacement for net income (loss), as
determined by GAAP, or as a measure of our profitability. We compensate for
these limitations by relying primarily on our GAAP results and using non-GAAP
measures only for supplemental purposes. Our presentation of Non-GAAP Net Income
should not be construed to imply that our future results will be unaffected by
the types of items excluded from the calculation of Non-GAAP Net Income.
Non-GAAP Net Income is not a presentation made in accordance with GAAP and the
use of the term may vary from other companies.

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A reconciliation of Non-GAAP Net Income to net income (loss), the most directly comparable GAAP measure, is as follows:



                                                             Year Ended December 31,
                                                        2021           2020          2019
                                                                  (in thousands)
  GAAP net income (loss)                             $  51,434      $ 22,498      $ (31,188)

GAAP provision for (benefit from) income taxes 9,928 8,062 (2,511)


  GAAP income (loss) before income taxes                61,362        

30,560 (33,699)


  Loss on extinguishment of debt                             -         

8,488 19,231


  Amortization of acquired intangible assets            27,139        

22,679 22,600


  Stock-based compensation expense                      48,909        

33,460 12,215


  Restructuring expense(1)                                   -         3,835              -
  Transaction related and other expense(2)               5,153         3,112              -
  Non-GAAP provision for income taxes(3)               (35,641)      (25,534)        (5,088)
  Non-GAAP Net Income                                $ 106,922      $ 76,600      $  15,259



(1)Restructuring expense primarily relates to severance costs incurred in
connection with a reduction in workforce undertaken in Q2 2020 to align our cost
structure to expectations of potentially reduced revenue resulting from the
COVID-19 pandemic. Approximately $3.2 million and $0.6 million of restructuring
expense was recorded within operating expenses and cost of revenue,
respectively, for 2020.
(2)Transaction related and other expense consists of acquisition related costs,
litigation related charges or benefits and other unusual charges, as well as
costs incurred during the year ended December 31, 2020 to support our public
company readiness.
(3)The normalized non-GAAP tax rate applied to each period presented was 25%.
The Company may adjust its non-GAAP tax rate as additional information becomes
available or events occur which may materially affect this rate, including
impacts from the rapidly evolving global tax environment, significant changes in
our geographic mix, merger and acquisition activity, or changes in our business
outlook.

Adjusted EBITDA

Adjusted EBITDA is a supplemental measure of operating performance monitored by
management that is not defined under GAAP and that does not represent, and
should not be considered as, an alternative to net income (loss), as determined
by GAAP. We define Adjusted EBITDA as net income (loss) adjusted for interest
and other expense, net, loss on extinguishment of debt, depreciation and
amortization, (provision for) benefit from income taxes, stock-based
compensation expense, restructuring expense and transaction related and other
expense. We use Adjusted EBITDA to understand and evaluate our core operating
performance and trends and to develop short-term and long-term operating plans.

Adjusted EBITDA has limitations as an analytical tool, and you should not
consider it in isolation or as a substitute for analysis of our results as
reported under GAAP. Because of these limitations, you should consider Adjusted
EBITDA alongside other financial performance measures, including net income
(loss) and our other GAAP results. Our presentation of Adjusted EBITDA should
not be construed to imply that our future results will be unaffected by the
types of items excluded from the calculation of Adjusted EBITDA. Adjusted EBITDA
is not a presentation made in accordance with GAAP and the use of the term may
vary from other companies.

A reconciliation of Adjusted EBITDA to net income (loss), the most directly comparable GAAP measure, is as follows:


                                                          Year Ended December 31,
                                                    2021           2020           2019
                                                              (in thousands)
     Net income (loss)                           $  51,434      $  22,498      $ (31,188)
     Interest and other expense, net(1)                842         21,920         43,693
     Loss on extinguishment of debt                      -          8,488         19,231
     Depreciation and amortization                  59,183         49,113         43,162
     Provision for (benefit from) income taxes       9,928          8,062         (2,511)
     Stock-based compensation expense               48,909         33,460         12,215
     Restructuring expense(2)                            -          3,835              -
     Transaction related and other expense(3)        5,153          3,112              -
     Adjusted EBITDA                             $ 175,449      $ 150,488      $  84,602

(1)Interest and other expense, net includes interest expense, net, foreign currency gains and losses and other expenses.


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(2)Restructuring expense primarily relates to severance costs incurred in
connection with a reduction in workforce undertaken in Q2 2020 to align our cost
structure to expectations of potentially reduced revenue resulting from the
COVID-19 pandemic. Approximately $3.2 million and $0.6 million of restructuring
expense was recorded within operating expenses and cost of revenue,
respectively, for 2020.

(3)Transaction related and other expense consists of acquisition related costs,
litigation related charges or benefits and other unusual charges, as well as
costs incurred during the year ended December 31, 2020 to support our public
company readiness.



                        Liquidity and Capital Resources

General

As of December 31, 2021, our cash, including restricted cash, totaled
$222.7 million, as compared to $170.4 million as of December 31, 2020. In
addition, as of each of December 31, 2021 and 2020, we had no debt outstanding
and $198.1 million of capacity under our 2020 Revolving Credit Agreement
(defined below). We believe our existing cash and cash equivalents, cash
provided by our ongoing operations and borrowing capacity under our 2020
Revolving Credit Facility will be sufficient to meet our working capital and
capital expenditure needs for at least the next 12 months.

 Historically, as we invested in our organization and infrastructure to meet
increasing demand for our products and services and to drive our rapid growth,
we have financed our operations primarily through cash provided by our ongoing
operations, debt financing and more recently our IPO. During 2020, in response
to the spread of COVID-19 and its impacts on the world economy, we undertook
various measures to improve our liquidity position and better match our cost
structure to our revenue and cash generation activities, and we continue to
benefit from these measures. In addition, the COVID-19 pandemic continues to
cause a reduction of marketing, event and travel costs, as events are held
virtually and travel is limited. In the future we will continue to invest in our
organization and infrastructure and expect to resume hosting our world-class
partner events in-person when it is safe to do so, as we grow and innovate along
with our MSP partners.

Our future capital requirements will depend on several factors, including the
need to invest in our Datto Cloud infrastructure to support our subscription
revenue growth, the timing of cash receipts and payments, the timing and extent
of spending to support research and development, the pace of expansion of sales
and marketing activities, including in international markets, the level of
investment in back-office infrastructure, the cost to operate as a publicly
listed company and the amount of our outstanding indebtedness. In the future, we
may also enter into arrangements to acquire or invest in complementary
businesses, services and technologies, including intellectual property rights.

We may be required to seek additional equity or debt financing to meet our
future capital requirements. In the event additional financing is required from
outside sources, we may not be able to raise it on terms acceptable to us or at
all. If we are unable to raise additional capital or generate cash flows
necessary to fund the expansion of our operations and invest in new
technologies, this could reduce our ability to compete successfully and harm our
results of operations.


Credit Facilities

On October 23, 2020, we closed our IPO which generated net proceeds, after
deducting the underwriters discount, of $641.6 million. Shortly after closing
the IPO, the Company utilized the IPO proceeds and $38.4 million of available
cash to repay the outstanding balances under the 2019 Credit Agreement of $590.2
million, pay $1.6 million of related accrued interest, and pay $1.2 million in
debt issuance costs for the 2020 Credit Agreement.


On October 23, 2020, Datto, Inc., as borrower (the "Borrower"), Merritt Holdco,
Inc., Autotask Superior Holding, Inc., Backupify, Inc., Autotask Corporation,
Open Mesh, Inc. and SoonR, Inc., each a direct or indirect wholly-owned
subsidiary of Datto Holding Corp., entered into the 2020 Credit Agreement with
the lenders party thereto and Morgan Stanley Senior Funding, Inc., as
administrative agent. The 2020 Credit Agreement is guaranteed by Merritt Holdco,
Inc., Autotask Superior Holding, Inc., Backupify, Inc., Open Mesh, Inc.,
Autotask Corporation, and SoonR, Inc. (the "Guarantors," and, together with the
Borrower, the "Loan Parties") and is supported by a security interest in
substantially all of the Loan Parties' personal property and assets, subject to
customary exceptions.


The 2020 Credit Agreement provides for an initial $200.0 million in commitments
for revolving credit loans, which may be increased or decreased under specific
circumstances, with a $40.0 million letter of credit sublimit and a $100 million
alternative currency sublimit (the "2020 Revolving Credit Facility"). In
addition, the 2020 Credit Agreement provides for the ability of the Borrower to
request incremental term loan facilities. Borrowings pursuant to the 2020 Credit
Agreement may be used for working capital and other general corporate purposes,
including for acquisitions permitted under the 2020 Credit Agreement.


Borrowings under the 2020 Credit Agreement are scheduled to mature on October 23, 2025. The 2020 Credit Agreement contains certain customary events of default, which include failure to make payments when due thereunder, the material inaccuracy of


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representations or warranties, failure to observe or perform certain covenants,
cross-defaults, bankruptcy and insolvency-related events, certain judgments,
certain ERISA-related events, or a Change in Control (as defined in the 2020
Credit Agreement).


The 2020 Credit Agreement contains certain customary representations and
warranties and affirmative and negative covenants, including certain
restrictions on the ability of the Loan Parties and their Restricted
Subsidiaries (as defined in the 2020 Credit Agreement) to incur any additional
indebtedness or guarantee indebtedness of others, to create liens on properties
or assets, and to enter into certain asset and stock-based transactions. In
addition, under the terms of the 2020 Credit Agreement, the Borrower's First
Lien Net Leverage Ratio shall not be more than 4.00 to 1.00.


The interest rates applicable to the revolving borrowings under the 2020 Credit
Agreement, are, at the Borrower's option, either (i) a base rate, equal to the
greater of (a) the Prime Rate, (b) the Federal Funds Effective Rate plus 0.5% or
(c) the Adjusted LIBO Rate for a one month Interest Period (each term as defined
in the 2020 Credit Agreement) plus 1%, or (ii) the Adjusted LIBO Rate equal to
the LIBO Rate for the applicable Interest Period, plus in the case of each of
clauses (i) and (ii), the Applicable Rate (as defined in the 2020 Credit
Agreement). The Applicable Rate (i) for base rate loans range from 0.25% to 1.0%
per annum and (ii) for LIBO Rate loans range from 1.25% to 2.0% per annum, in
each case, based on the Senior Secured Net Leverage Ratio (as defined in the
2020 Credit Agreement). The Borrower will pay a commitment fee during the term
of the 2020 Credit Agreement ranging from 0.20% to 0.35% per annum of the
average daily undrawn portion of the revolving commitments based on the Senior
Secured Net Leverage Ratio (as defined in the 2020 Credit Agreement).


Any borrowings under the 2020 Credit Agreement may be repaid, in whole or in
part, at any time and from time to time without premium or penalty other than
customary breakage costs, and any amounts repaid may be reborrowed. No mandatory
prepayments will be required other than when borrowings and letter of credit
usage exceed the aggregate commitment of all lenders.


The 2020 Revolving Credit Facility was undrawn as of each of December 31, 2021
and December 31, 2020 with the exception of $1.9 million of outstanding letters
of credit as of each date.


Contractual Commitments


The following table sets forth the estimated timing and amounts of our material
cash requirements from our contractual and other obligations as of December 31,
2021:

                                                                                 Payments due by Period
                                                                    Less than                                                 More than
                                                   Total              1 Year           1-3 years          3-5 Years            5 years
                                                                                     (in thousands)

Revolving credit facility-commitment fees(1) $ 1,533 $ 400 $ 800 $ 333 $ - Unconditional purchase obligations(2)

              76,619             28,606             35,179             12,834                   -
Operating lease obligations(3)                     43,956             10,175             19,183              9,059               5,539
Total                                           $ 122,108          $  39,181          $  55,162          $  22,226          $    5,539


________________

(1)We are required to pay a commitment fee ranging from 0.20 to 0.35%, based on
the Company's leverage ratio, on the undrawn portion of the revolving credit
facility under the 2020 Credit Agreement. We have estimated the obligations
based on the facts and circumstances in place at December 31, 2021.
(2)We have unconditional purchase obligations that primarily consist of
commitments related to our co-located data centers, telecommunication,
networking, subscription and consulting services.
(3)Our operating lease obligations consist primarily of office space,
warehousing and certain co-located data center contracts.
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Cash Flows

The following table presents a summary of our consolidated cash flows from operating, investing, and financing activities for the periods indicated.



                                                     Year Ended December 31,
                                               2021           2020           2019
                                                         (in thousands)

Net cash provided by operating activities $ 125,366 $ 108,698 $

11,235

Net cash used in investing activities $ (92,723) $ (44,837) $ (38,226) Net cash provided by financing activities $ 21,725 $ 75,679 $


 18,505


Operating Activities

For 2021, net cash provided by operating activities was $125.4 million, which
resulted from net income of $51.4 million, adjusted for non-cash charges of
$119.8 million and net cash outflow of $45.8 million from changes in operating
assets and liabilities. Non-cash charges primarily consisted of depreciation and
amortization expenses of $59.2 million, stock-based compensation expense of
$48.9 million, non-cash operating lease expense of $7.3 million and an increase
in deferred income taxes of $4.9 million. The net cash outflow from changes in
operating assets and liabilities was primarily driven by an increase in
inventory of $21.2 million, as we have increased purchases to guard against
possible supply chain disruptions resulting from the COVID-19 pandemic, an
increase in other assets of $19.6 million primarily driven by an increase in
deferred contract acquisition costs, as well as an increase in prepaid expenses
and other current assets of $11.5 million, primarily driven by increased
contract assets, net and inventory deposits, partially offset by an increase in
accounts payable, accrued expenses and other of $8.4 million primarily resulting
from the timing of payments. In 2021, we paid $2.9 million of social security
tax which we elected to defer in 2020 as provided in the CARES Act.

For 2020, net cash provided by operating activities was $108.7 million, which
resulted from net income of $22.5 million, adjusted for non-cash charges of
$106.8 million and net cash outflow of $20.6 million from changes in operating
assets and liabilities. Non-cash charges primarily consisted of depreciation and
amortization expenses of $49.1 million, stock-based compensation expense of
$33.5 million, loss on extinguishment of debt of $8.5 million and an increase in
deferred income taxes of $7.8 million. The net cash outflow from changes in
operating assets and liabilities was primarily driven by an increase in other
assets of $13.0 million primarily driven by an increase in deferred contract
acquisition costs, as well as an increase in prepaid expenses and other current
assets of $7.5 million, primarily driven by the payment of insurance as a result
of becoming a public company. We also elected to defer payment of our obligation
for social security tax for the remainder of 2020 as provided in the CARES Act,
resulting in a reduction in cash outflows of $5.8 million during 2020.

Investing Activities



For 2021, net cash used in investing activities was $92.7 million, including
capital expenditures of $47.2 million, primarily related to our investment in
servers for our Datto Cloud infrastructure to support our overall subscription
growth as well as investments in the development of our cloud-based platforms to
serve our partners. We also purchased computer equipment to support our
increased workforce. In addition, we used $45.5 million, net of cash acquired,
for the acquisition of BitDam.

For 2020, net cash used in investing activities was $44.8 million, primarily
resulting from investment in servers for our Datto Cloud infrastructure to
support our overall subscription growth as well as investments in the
development of our cloud-based platforms to serve our partners. In addition, we
incurred expenses for leasehold improvements and furniture and fixtures to
expand and update certain offices and purchased computer equipment to support
our workforce and global expansion. In July 2020, we acquired two affiliated
Australian entities, Gluh Pty Ltd and Keystone Software Holdings Pty Ltd, which
offer a tool for MSPs to quote, sell and procure IT goods and services. The
amount paid was approximately $4.4 million, reflecting the purchase price of
$4.0 million and certain closing adjustments.

Financing Activities

For 2021, net cash provided by financing activities was $21.7 million, primarily reflecting proceeds from the exercise of stock options of $22.5 million.



For 2020, net cash provided by financing activities was $75.7 million, primarily
reflecting proceeds from our IPO, net of the underwriting discount, of $641.6
million, proceeds in the first quarter of 2020 of $32.1 million from our
revolving credit facility, as we drew down the balance given the uncertainty in
the global economy as a result of the COVID-19 pandemic, and proceeds from the
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exercise of stock options of $3.2 million. These cash proceeds were partially
offset by debt repayments of $594.7 million as a result of our IPO, including
$590.2 million to repay all outstanding balances under our 2019 Credit
Agreement, payment of IPO costs of $5.3 million, and payment of debt issuance
costs of $1.2 million for our 2020 Credit Agreement.

                           Indemnification Agreements

In the ordinary course of business, we enter into agreements of varying scope
and terms pursuant to which we agree to indemnify MSP partners, vendors,
lessors, business partners and other parties with respect to certain matters,
including, but not limited to, losses arising out of the breach of such
agreements, services to be provided by us or from intellectual property
infringement claims made by third parties. No demands have been made upon us to
provide indemnification under such agreements and there are no claims that we
are aware of that could have a material effect on our consolidated balance
sheet, consolidated statement of operations and comprehensive loss or
consolidated statement of cash flows. In addition, we have entered into
indemnification agreements with our directors and certain officers and employees
that require us, among other things, to indemnify them against certain
liabilities that may arise by reason of their status or service as directors,
officers or employees.

                         Critical Accounting Estimates

Our discussion and analysis of financial condition and results of operations are
based upon our consolidated financial statements included in this Annual Report
on Form 10-K. The preparation of our consolidated financial statements in
accordance with U.S. GAAP requires us to make estimates and assumptions that
affect the reported amounts of assets, liabilities, revenue and expenses. We
base our estimates on past experience and other assumptions that we believe are
reasonable under the circumstances, and we evaluate these estimates on an
ongoing basis. Actual results may differ from those estimates.

Our critical accounting estimates are those that materially affect our
consolidated financial statements and involve difficult, subjective or complex
judgments by management. A thorough understanding of these critical accounting
estimates is essential when reviewing our consolidated financial statements.

Revenue Recognition



We recognize revenue in accordance with the Financial Accounting Standards
Board's Accounting Standards Codification Topic 606. We generate revenue from
fees received for subscriptions, support and related services, and from the sale
of devices. We recognize revenue related to contracts with partners when we
transfer promised goods or services to partners in an amount that reflects the
consideration to which the entity expects to be entitled in exchange for those
goods or services. This is determined by following a five-step process which
includes (1) identifying the contract with a partner, (2) identifying the
performance obligations in the contract, (3) determining the transaction price,
(4) allocating the transaction price and (5) recognizing revenue when or as we
satisfy a performance obligation.

We identify performance obligations in a contract based on the goods and
services that will be transferred to the partner that are identifiable or
distinct from other promises in the contract. If not considered distinct, the
promised goods or services are combined with other goods or services and
accounted for as a combined performance obligation. Determining the distinct
performance obligations in a contract requires judgment. Our performance
obligations primarily include subscription services, including warranties,
unspecified upgrades or enhancements to our hosted SaaS offerings, delivery of
devices and training. We believe that our technical support, warranties and
unspecified upgrades or enhancements performance obligations each have the same
pattern of transfer to the partner and are therefore accounted for as a single
distinct performance obligation.

We allocate the transaction price of the contract to each distinct performance
obligation on a relative standalone selling price basis. Estimating standalone
selling prices for our performance obligations requires judgment and is based on
multiple factors including, but not limited to, observable cost data, industry
margin studies, historical selling prices, internal pricing policies and pricing
practices in different regions and through different sales channels and internal
cost structure. We review the standalone selling price for our performance
obligations periodically and update them, if needed, to ensure that the
methodology utilized reflects our current pricing practices.

Contract Acquisition Costs



We capitalize commission expenses that are incremental to obtaining customer
contracts, using a portfolio approach. These contract acquisition costs are
deferred and recorded in other assets on our consolidated balance sheets. We
make judgments in determining the amount of costs to be expensed in the period,
including amounts which are expensed as incurred, which is the approach if the
expected period of benefit is less than one year, and amounts which are
capitalized and expensed over future periods, which is the approach if the
expected period of benefit is beyond one year. The period of benefit often
extends beyond the contract term, as we only pay a commission on the initial
contract term and not upon renewal of the contract. We have determined that the
expected period of benefit is
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five years based on evaluation of a number of factors, including customer
attrition rates, weighted average useful lives of our partner relationship and
developed technology intangible assets, and market factors, including the
overall competitive environment and the technology life utilized by competitors.
Contract acquisition costs which are capitalized are amortized as a component of
sales and marketing expense in our consolidated statements of operations.

Income Taxes



Deferred income tax balances reflect the effects of temporary differences
between the carrying amounts of assets and liabilities and their tax bases, as
well as net operating loss and tax credit carryforwards. Deferred tax assets
represent amounts available to reduce income taxes payable in future periods.
Deferred tax assets are evaluated for future realization and reduced by a
valuation allowance to the extent we believe they will not be realized. We
consider many factors when assessing the likelihood of future realization of
deferred tax assets, including recent cumulative loss experience and
expectations of future earnings, the carry-forward periods available for tax
reporting purposes, and other relevant factors.

We recognize the tax benefit from an uncertain tax position only if it is more
likely than not that the tax position will be sustained on examination by the
taxing authorities based on the technical merits of the position. The tax
benefits are recognized from such positions based on the largest benefit that
has a greater than 50% likelihood of being realized upon settlement. Interest
and penalties related to unrecognized tax benefits are recognized within income
tax expense.

Business Combinations


We account for business combinations by assigning the total consideration
transferred to the fair value of acquired assets and liabilities. We record
goodwill based on the excess of the purchase price for acquisitions over the
fair value of the net assets acquired. Determining the fair value of assets and
liabilities assumed requires management to make significant estimates and
assumptions. In determining the fair value of an acquired intangible asset we
generally based our valuation on available historical information, future
expectations, market data, and management's reasonable assumptions. While we use
our best estimates and assumptions as part of the purchase price allocation, our
estimates are inherently uncertain and subject to refinement.

Recent Accounting Pronouncements

For a description of our recently adopted accounting pronouncements and accounting pronouncements issued but not yet adopted, see Note 2. Significant Accounting Policies to our consolidated financial statements in this Annual Report on Form 10-K.

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