The following Management's Discussion and Analysis of Financial Condition and
Results of Operations contains "forward-looking statements," including
statements about our beliefs and expectations. There are many risks and
uncertainties that could cause actual results to differ materially from those
discussed in the forward-looking statements. Potential factors that could cause
actual results to differ materially from those discussed in any forward-looking
statements include, but are not limited to, those stated above in Item 1A. under
the headings "Risk Factors - Cautionary Statement Concerning Forward-Looking
Statements" and "Risk Factors," as well as those described from time to time in
our filings with the Securities and Exchange Commission.

All forward-looking statements are based on information available to us on the
date of this filing and we assume no obligation to update such statements,
whether as a result of new information, future events or otherwise. The
following discussion should be read in conjunction with our Quarterly Reports on
Form 10-Q, Current Reports on Form 8-K and other filings with the Securities and
Exchange Commission and the consolidated financial statements and related notes
included in this Annual Report on Form 10-K.

Overview

Our principal information, analytics and online marketplace services are described in the following paragraphs by type of service:

Information and Analytics



CoStar Suite®. Our subscription-based information services consist primarily of
CoStar Suite services. CoStar Suite is sold as a platform of service offerings
consisting of CoStar Property®, CoStar COMPS®, CoStar Market Analytics, CoStar
Tenant®, CoStar Lease Comps and CoStar Public Record through our mobile
applications. Our integrated suite of online service offerings includes
information about space available for-lease, comparable sales information,
information about properties for-sale, tenant information, Internet marketing
services, analytical capabilities, information for clients' websites,
information about industry professionals and their business relationships, and
industry news. Our sales force is responsible for selling multiple product
lines, including CoStar Suite and LoopNet.  During 2020, we plan to shift the
focus of our sales force to sales of LoopNet Signature Ads.  As a result, we
anticipate CoStar Suite revenue growth will moderate during the year.

Information services. We provide real estate and lease management solutions,
including lease administration and abstraction services, through our CoStar Real
Estate Manager® service offerings, as well as portfolio and debt analysis,
management and reporting capabilities through our CoStar Investment Analysis and
CoStar Risk Analytics® service offerings. We provide information services
internationally, through our Grecam, Belbex and Thomas Daily businesses in
France, Spain and Germany, respectively. Sales of CoStar Real Estate Manager
represent a significant portion of our information services revenue. CoStar Real
Estate Manager's revenue growth rates increased significantly in 2018 as new
clients adopted, and existing clients expanded their use of, CoStar Real Estate
Manager to manage compliance with new lease accounting and reporting
requirements which became effective for public companies for financial reporting
periods beginning after December 15, 2018. As a result, we expect the growth
rate for CoStar Real Estate Manager to normalize as the initial surge of the
demand has eased. On October 22, 2019, we acquired STR and we now also provide
STR's complementary benchmarking and analytics services to the hospitality
industry. We expect that the acquisition of STR and the combination of STR's and
CoStar's offerings will allow us to create valuable new and improved tools for
industry participants. See Note 4 to the accompanying Notes to the Consolidated
Financial Statements included in Part IV of this Annual Report on Form 10-K for
further discussion of the acquisition of STR.

Online Marketplaces



Multifamily. Apartments.comTM is part of our network of apartment marketing
sites, which primarily includes ApartmentFinder®, ForRent.com®,
ApartmentHomeLiving.comTM, Apartamentos.comTM, Westside Rentals and Off Campus
Partners, LLC ("OCP"). Our apartment marketing network of subscription-based
services offers renters a searchable database of apartment listings and provides
professional property management companies and landlords with an advertising
destination. On February 21, 2018, we completed the acquisition of ForRent, a
division of Dominion Enterprises, including the ForRent.com, AFTER55.com,
CorporateHousing.com and ForRentUniversity.com apartment marketing sites. On
November 8, 2018, we acquired Cozy Services, Ltd. ("Cozy"), a provider of online
rental solutions that provides a broad spectrum of services to both landlords
and tenants, including property listings, rent estimates, rental applications,
tenant screening, online rent payments and expense tracking. On June 12, 2019,
we acquired OCP, a provider of student housing marketplace content and
technology to U.S. universities. We expect the multifamily annual revenue growth
rate to remain consistent with 2019 as we have fully integrated our ForRent and
Cozy acquisitions into our service offerings. We continue to work on integrating
the OCP acquisition and the

                                       33
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services they offer into our Apartments.com network. See Note 4 to the accompanying Notes to the Consolidated Financial Statements included in Part IV of this Annual Report on Form 10-K for further discussion of these acquisitions.



Commercial property and land. Our LoopNet.com network of commercial real estate
websites offer subscription-based, online marketplace services that enable
commercial property owners, landlords and real estate agents working on their
behalf to list properties for-sale or for-lease and to submit detailed
information about property listings. Commercial real estate agents, buyers and
tenants use the LoopNet.com network of online marketplace services to search for
available property listings that meet their criteria. As part of our rebuild and
launch of the LoopNet Signature Ads product, we rolled out new packages in the
fourth quarter of 2019. As a result, the growth rate increased in the fourth
quarter of 2019, and LoopNet is expected to continue to grow in the subsequent
periods. In addition, on October 12, 2018, we acquired all of the issued share
capital of Realla Ltd. ("Realla"), the operator of a commercial property
listings and data management platform in the U.K., including a free-to-list
search engine for commercial property listings. See Note 4 to the accompanying
Notes to the Consolidated Financial Statements included in Part IV of this
Annual Report on Form 10-K for further discussion of the acquisition of Realla.
Our BizBuySell.com network, which includes BizQuest® and FindaFranchise,
provides online marketplaces for businesses for-sale. Our Land.com network of
sites, which provides online marketplaces for rural lands for-sale, includes
LandsofAmerica, LandAndFarm and LandWatch®.

For the years ended December 31, 2019, 2018 and 2017 our annualized net new
bookings of subscription-based services on all contracts were approximately $210
million, $169 million and $148 million, respectively, calculated based on the
annualized amount of change in our sales resulting from all new
subscription-based contracts or upsales on all existing subscription-based
contracts, less write downs and cancellations, for the period reported. We
recognize subscription revenues on a straight-line basis over the life of the
contract. Net bookings is considered a key indicator of future subscription
revenue growth and is also used as a metric of salesforce productivity by
management and investors.

For the years ended December 31, 2019, 2018 and 2017, our contract renewal rate
for existing CoStar subscription-based services on annual contracts was
approximately 90%, 90% and 91% respectively, and, therefore, our cancellation
rate for those services was approximately 10%, 10%, and 9%, respectively. Our
contract renewal rate is a quantitative measurement that is typically closely
correlated with our revenue results. As a result, management also believes that
the rate may be a reliable indicator of short-term and long-term performance.
Our trailing twelve-month contract renewal rate may decline if, among other
reasons, negative economic conditions lead to greater business failures and/or
consolidations among our clients, reductions in customer spending, or decreases
in our customer base.

Development, Investments and Expansion



We are committed to supporting, improving and enhancing our information,
analytics and online marketplace solutions, including expanding and improving
our offerings for property owners, property managers and renters. We expect to
continue our software development efforts to improve existing services,
introduce new services, integrate and cross-sell services, and expand and
develop supporting technologies for our research, sales and marketing
organizations.

Our key priorities for 2020 include:



•      Continue to develop, improve and market our recently launched
       Apartments.com service offerings that focus on the digital rental
       experience and enable renters to apply for-leases, and for landlords to

run tenant credit and background checks and make rent payments, all online

through a single platform. We plan to aggressively market our multifamily

listing services in an effort to provide more value to advertisers and, in

turn, to attract advertisers. As such, we plan to increase our investment

in Apartments.com marketing in 2020 by approximately $100 million, which

may reduce our margins and profitability while we invest in future growth.


       The increased investment is focused on search engine marketing and
       enhanced brand awareness. We also plan to continue to invest in our
       multifamily business by increasing the size of our sales force with a

focus on increasing sales to midsize and smaller apartment communities.

• Obtaining necessary bankruptcy court and regulatory approvals to close the

pending acquisition of RentPath and integrating RentPath with the

Apartments.com network post-closing. On February 11, 2020, a wholly owned

subsidiary of the Company entered into an agreement to acquire for $588

million in cash all of the equity interests of RentPath Holdings, Inc., as

reorganized following an internal restructuring pursuant to and under the

joint chapter 11 plan of reorganization of RentPath and certain of its

subsidiaries. Closing of the acquisition is subject to customary closing

conditions, including the expiration or termination of any applicable


       waiting period under applicable antitrust laws and approval by the
       bankruptcy court. See Note 19 to the accompanying Notes to the
       Consolidated Financial Statements included in Part IV of this Annual
       Report on Form 10-K for further discussion.




                                       34

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• Continue to invest in the LoopNet marketplace by enhancing the content on

the site (including high-quality imagery), seeking targeted

advertisements, providing premium listing services (such as LoopNet

Signature Ads) that increase a property listing's exposure, and adding

more content for premium listings to better meet the needs of a broader

cross section of the commercial real estate industry. Additionally, we

initiated training and incentive programs for our sales team to increase


       sales of LoopNet Signature Ads, with a focus on property owners.


• Integrating recently completed acquisitions, including STR, with CoStar's

business operations. We plan to consolidate STR data and services with

CoStar Suite to create an integrated platform. We plan to drive

international expansion, in part, through STR's global operations and to


       apply STR's benchmarking expertise to other commercial real estate
       segments served by CoStar.


• Continue to invest in CoStar Suite, including capabilities that allow us

to broaden the reach of CoStar Suite in Europe by offering multiple

languages and currencies on the platform. We plan to enhance CoStar Suite


       by making additional investments in analytical capabilities focused on
       owners and lenders of commercial real estate. In addition, we plan to
       invest in integrating the technology and infrastructure from other
       existing service offerings into the CoStar Suite platform, including
       CoStar Real Estate Manager, in order to leverage data and technology

across our platforms and provide customers with additional functionality.





We intend to continue to assess the need for additional investments in our
business, in addition to the investments discussed above, in order to develop
and distribute new services and functionality within our current platform or
expand the reach of, or otherwise improve, our current service offerings. Any
future product development or expansion of services, combination and
coordination of services or elimination of services or corporate expansion,
development or restructuring efforts could reduce our profitability and increase
our capital expenditures. Any new investments, changes to our service offerings
or other unforeseen events could cause us to experience reduced revenues or
generate losses and negative cash flow from operations in the future. Any
development efforts must comply with our credit facility, which contains
restrictive covenants that restrict our operations and use of our cash flow and
may prevent us from taking certain actions that we believe could increase our
profitability or otherwise enhance our business.

For further discussion of our Company, strategy and products, see our business overview set forth in "Item 1. Business" in this Annual Report on Form 10-K.

Non-GAAP Financial Measures



We prepare and publicly release quarterly unaudited financial statements
prepared in accordance with generally accepted accounting principles ("GAAP").
We also disclose and discuss certain non-GAAP financial measures in our public
releases, investor conference calls and filings with the Securities and Exchange
Commission. The non-GAAP financial measures that we may disclose include net
income before interest and other income (expense), loss on debt extinguishment,
income taxes, depreciation and amortization ("EBITDA"), adjusted EBITDA,
adjusted EBITDA margin, non-GAAP net income and non-GAAP net income per diluted
share. EBITDA is our net income before interest and other income (expense), loss
on debt extinguishment, income taxes, depreciation and amortization. We
typically disclose EBITDA on a consolidated and an operating segment basis in
our earnings releases, investor conference calls and filings with the Securities
and Exchange Commission. Adjusted EBITDA is different from EBITDA because we
further adjust EBITDA for stock-based compensation expense, acquisition- and
integration-related costs for pending and completed acquisitions, restructuring
costs and settlements and impairments incurred outside our ordinary course of
business. Non-GAAP net income is determined by adjusting our net income for
stock-based compensation expense, acquisition- and integration-related costs for
pending and completed acquisitions, restructuring costs, settlement and
impairment costs incurred outside our ordinary course of business and loss on
debt extinguishment, as well as amortization of acquired intangible assets and
other related costs, and then subtracting an assumed provision for income taxes.
We may disclose adjusted EBITDA, adjusted EBITDA margin, non-GAAP net income and
non-GAAP net income per diluted share on a consolidated basis in our earnings
releases, investor conference calls and filings with the Securities and Exchange
Commission. The non-GAAP financial measures that we use may not be comparable to
similarly titled measures reported by other companies. Also, in the future, we
may disclose different non-GAAP financial measures in order to help our
investors meaningfully evaluate and compare our results of operations to our
previously reported results of operations or to those of other companies in our
industry.

We view EBITDA, adjusted EBITDA, non-GAAP net income and non-GAAP net income per
diluted share as operating performance measures and as such we believe that the
most directly comparable GAAP financial measure to EBITDA, adjusted EBITDA and
non-GAAP net income is net income. We believe the most directly comparable GAAP
financial measures to non-GAAP net income per diluted share and adjusted EBITDA
margin are net income per diluted share and net income divided by revenue,
respectively. In calculating EBITDA, adjusted EBITDA, adjusted EBITDA margin,
non-GAAP net income and non-

                                       35
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GAAP net income per diluted share, we exclude from net income the financial
items that we believe should be separately identified to provide additional
analysis of the financial components of the day-to-day operation of our
business. We have outlined below the type and scope of these exclusions and the
material limitations on the use of these non-GAAP financial measures as a result
of these exclusions. EBITDA, adjusted EBITDA, adjusted EBITDA margin, non-GAAP
net income and non-GAAP net income per diluted share are not measurements of
financial performance under GAAP and should not be considered as a measure of
liquidity, as an alternative to net income or as an indicator of any other
measure of performance derived in accordance with GAAP. Investors and potential
investors in our securities should not rely on EBITDA, adjusted EBITDA, adjusted
EBITDA margin, non-GAAP net income and non-GAAP net income per diluted share as
a substitute for any GAAP financial measure, including net income and net income
per diluted share. In addition, we urge investors and potential investors in our
securities to carefully review the GAAP financial information included as part
of our Annual Reports on Form 10-K and Quarterly Reports on Form 10-Q that are
filed with the Securities and Exchange Commission, as well as our quarterly
earnings releases, and compare the GAAP financial information with our EBITDA,
adjusted EBITDA, adjusted EBITDA margin, non-GAAP net income and non-GAAP net
income per diluted share.

EBITDA, adjusted EBITDA, adjusted EBITDA margin, non-GAAP net income and
non-GAAP net income per diluted share may be used by management to internally
measure our operating and management performance and may be used by investors as
supplemental financial measures to evaluate the performance of our business. We
believe that these non-GAAP measures, when viewed with our GAAP results and
accompanying reconciliations, provide additional information to investors that
is useful to understand the factors and trends affecting our business. We have
spent more than 30 years building our database of commercial real estate
information and expanding our markets and services partially through
acquisitions of complementary businesses. Due to the expansion of our
information, analytics and online marketplace services, which has included
acquisitions, our net income has included significant charges for amortization
of acquired intangible assets, depreciation and other amortization, acquisition-
and integration-related costs for pending and completed acquisitions,
restructuring costs, and loss on debt extinguishment. Adjusted EBITDA, adjusted
EBITDA margin, non-GAAP net income and non-GAAP net income per diluted share
exclude these charges and provide meaningful information about the operating
performance of our business, apart from charges for amortization of acquired
intangible assets, depreciation and other amortization, acquisition- and
integration-related costs for pending and completed acquisitions, restructuring
costs; settlement and impairment costs incurred outside our ordinary course of
business. We believe the disclosure of non-GAAP measures can help investors
meaningfully evaluate and compare our performance from quarter to quarter and
from year to year. We also believe the non-GAAP measures we disclose are
measures of our ongoing operating performance because the isolation of non-cash
charges, such as amortization and depreciation, and other items, such as
interest, income taxes, stock-based compensation expenses, acquisition- and
integration-related costs for pending and completed acquisitions, restructuring
costs; loss on debt extinguishment and settlement and impairment costs incurred
outside our ordinary course of business, provides additional information about
our cost structure, and, over time, helps track our operating progress. In
addition, investors, securities analysts and others have regularly relied on
EBITDA and may rely on adjusted EBITDA, adjusted EBITDA margin, non-GAAP net
income or non-GAAP net income per diluted share to provide a financial measure
by which to compare our operating performance against that of other companies in
our industry.

Set forth below are descriptions of financial items that have been excluded from net income to calculate EBITDA and the material limitations associated with using this non-GAAP financial measure as compared to net income:

• Amortization of acquired intangible assets in cost of revenues may be

useful for investors to consider because it represents the diminishing

value of any acquired trade names and other intangible assets and the use

of our acquired technology, which is one of the sources of information for

our database of commercial real estate information. We do not believe

these charges necessarily reflect the current and ongoing cash charges


       related to our operating cost structure.


• Amortization of acquired intangible assets in operating expenses may be

useful for investors to consider because it represents the estimated

attrition of our acquired customer base. We do not believe these charges


       necessarily reflect the current and ongoing cash charges related to our
       operating cost structure.



•      Depreciation and other amortization may be useful for investors to
       consider because they generally represent the wear and tear on our
       property and equipment used in our operations. We do not believe these

charges necessarily reflect the current and ongoing cash charges related


       to our operating cost structure.


• The amount of interest and other income and expense we generate and incur

may be useful for investors to consider and may result in current cash

inflows and outflows. However, we do not consider the amount of interest


       and other income and expense to be a representative component of the
       day-to-day operating performance of our business.




                                       36

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• Income tax expense may be useful for investors to consider because it

generally represents the taxes which may be payable for the period and the

change in deferred income taxes during the period and may reduce the

amount of funds otherwise available for use in our business. However, we

do not consider the amount of income tax expense to be a representative


       component of the day-to-day operating performance of our business.


• The amount of loss on our debt extinguishment may be useful for investors

to consider because it generally represents losses from the early

extinguishment of debt. However, we do not consider the amount of the loss

on debt extinguishment to be a representative component of the day-to-day

operating performance of our business.





Set forth below are descriptions of additional financial items that have been
excluded from EBITDA to calculate adjusted EBITDA and the material limitations
associated with using this non-GAAP financial measure as compared to net income:

• Stock-based compensation expense may be useful for investors to consider

because it represents a portion of the compensation of our employees and

executives. Determining the fair value of the stock-based instruments

involves a high degree of judgment and estimation and the expenses

recorded may bear little resemblance to the actual value realized upon the

future exercise or termination of the related stock-based awards.

Therefore, we believe it is useful to exclude stock-based compensation in

order to better understand the long-term performance of our core business.

• The amount of acquisition- and integration- related costs for pending and

completed acquisitions incurred may be useful for investors to consider

because such costs generally represent professional service fees and

direct expenses related to acquisitions. Because we do not acquire

businesses on a predictable cycle, we do not consider the amount of

acquisition- and integration- related costs for pending and completed

acquisitions to be a representative component of the day-to-day operating


       performance of our business.



•      The amount of settlement and impairment costs incurred outside of our
       ordinary course of business may be useful for investors to consider
       because they generally represent gains or losses from the settlement of

litigation matters or impairments on acquired intangible assets. We do not


       believe these charges necessarily reflect the current and ongoing cash
       charges related to our operating cost structure.


• The amount of restructuring costs incurred may be useful for investors to

consider because they generally represent costs incurred in connection

with a change in a contract or a change in the makeup of our properties or

personnel. We do not consider the amount of restructuring related costs to

be a representative component of the day-to-day operating performance of


       our business.



The financial items that have been excluded from our net income to calculate
non-GAAP net income and non-GAAP net income per diluted share are amortization
of acquired intangible assets and other related costs, stock-based compensation,
acquisition- and integration- related costs for pending and completed
acquisitions, restructuring and related costs and settlement and impairment
costs incurred outside our ordinary course of business. These items are
discussed above with respect to the calculation of adjusted EBITDA together with
the material limitations associated with using this non-GAAP financial measure
as compared to net income. In addition to these exclusions from net income, we
subtract an assumed provision for income taxes to calculate non-GAAP net income.
In 2019 and 2018, we assumed a 25% tax rate which approximated our historical
long-term statutory corporate tax rate, excluding the impact of discrete items.

Adjusted EBITDA margin represents adjusted EBITDA divided by revenues for the period.

Non-GAAP net income per diluted share is a non-GAAP financial measure that represents non-GAAP net income divided by the number of diluted shares outstanding for the period used in the calculation of GAAP net income per diluted share.



Management compensates for the above-described limitations of using non-GAAP
measures by using a non-GAAP measure only to supplement our GAAP results and to
provide additional information that is useful to understand the factors and
trends affecting our business.


                                       37
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The following table shows our net income reconciled to our EBITDA and our net
cash flows from operating, investing and financing activities for the indicated
periods (in thousands):
                                                          Year Ended December 31,
                                                     2019           2018           2017
Net income                                       $  314,963     $  238,334     $  122,695
Amortization of acquired intangible assets in
cost of revenues                                     21,357         20,586  

19,707


Amortization of acquired intangible assets in
operating expenses                                   33,995         30,881  

17,684


Depreciation and other amortization                  25,813         26,276         26,252
Interest and other income                           (30,017 )      (13,281 )       (4,044 )
Interest and other expense                            2,615          2,830          9,014
Loss on debt extinguishment                               -              -          3,788
Income tax expense                                   75,986         45,681         42,363
EBITDA                                           $  444,712     $  351,307     $  237,459

Net cash flows provided by (used in)
Operating activities                             $  457,780     $  335,458     $  234,703
Investing activities                             $ (483,753 )   $ (448,001 )   $  (72,267 )
Financing activities                             $   (4,154 )   $    2,744     $  480,430




                                       38

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Consolidated Results of Operations



The following table provides our selected consolidated results of operations for
the indicated periods (in thousands of dollars and as a percentage of total
revenue):

                                                                      Year Ended December 31,
                                                      2019                      2018                     2017
Revenues                                     $ 1,399,719      100  %   $ 1,191,832      100  %   $ 965,230      100  %
Cost of revenues                                 289,239       21          269,933       23        220,403       23
Gross
profit                                         1,110,480       79          921,899       77        744,827       77
Operating expenses:
Selling and marketing (excluding customer
base amortization)                               408,596       29          359,858       30        318,362       33
Software development                             125,602        9          100,937        8         88,850        9
General and
administrative                                   178,740       13          156,659       13        146,128       15
Customer base
amortization                                      33,995        2           30,881        3         17,671        2
Total operating
expenses                                         746,933       53          648,335       54        571,011       59
Income from
operations                                       363,547       26          273,564       23        173,816       18
Interest and other income                         30,017        2           13,281        1          4,044        -
Interest and other expense                        (2,615 )      -           (2,830 )      -         (9,014 )     (1 )
Loss on debt extinguishment                            -        -                -        -         (3,788 )      -
Income before income
taxes                                            390,949       28          284,015       24        165,058       17
Income tax expense                                75,986        5           45,681        4         42,363        4
Net income                                   $   314,963       23  %   $   238,334       20  %   $ 122,695       13  %


The following table provides our revenues by type of service (in thousands of dollars and as a percentage of total revenue):


                                                     Year Ended December 31,
                                         2019                   2018                  2017
Information and analytics
CoStar Suite (1)                     $617,798    44 %       $545,195    46 %   $ 463,185     48 %
Information services (1)              88,446      6 %        67,624      6 %      72,618      8 %
Online marketplaces
Multifamily (1)                      490,631     35 %       405,795     34 %     279,855     29 %
Commercial property and land (1)     202,844     15 %       173,218     14 %     149,572     15 %
Total revenues                   $ 1,399,719    100 %   $ 1,191,832    100 %   $ 965,230    100 %
__________________________


(1) For further discussion of our Company, strategy and products, see our business overview set forth in "Item 1. Business" in this Annual Report on Form 10-K.




                                       39
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Comparison of Year Ended December 31, 2019 and Year Ended December 31, 2018



The following table provides a comparison of our selected consolidated results
of operations for the year ended December 31, 2019 and 2018 (in thousands of
dollars):

                                                                                  Increase            Increase
                                                    2019           2018        (Decrease) ($)      (Decrease) (%)
Revenues
CoStar Suite                                    $  617,798         $545,195   $     72,603                 13  %
Information services                                88,446         67,624           20,822                 31
Multifamily                                        490,631        405,795           84,836                 21
Commercial property and land                       202,844        173,218           29,626                 17
Total revenues                                   1,399,719      1,191,832          207,887                 17
Cost of revenues                                   289,239        269,933           19,306                  7
Gross
profit                                           1,110,480        921,899          188,581                 20
Operating expenses:
Selling and marketing (excluding customer base
amortization)                                      408,596        359,858           48,738                 14
Software development                               125,602        100,937           24,665                 24
General and
administrative                                     178,740        156,659           22,081                 14
Customer base
amortization                                        33,995         30,881            3,114                 10
Total operating
expenses                                           746,933        648,335           98,598                 15
Income from operations                             363,547        273,564           89,983                 33
Interest and other income                           30,017         13,281           16,736                 NM
Interest and other expense                          (2,615 )       (2,830 )           (215 )               (8 )
Income before income
taxes                                              390,949        284,015          106,934                 38
Income tax expense                                  75,986         45,681           30,305                 66
Net income                                      $  314,963     $  238,334     $     76,629                 32  %
__________________________
NM - Not meaningful



Revenues. Revenues increased to $1.4 billion in 2019, from $1.2 billion in 2018.
The $208 million increase was primarily attributable to an $85 million, or 21%,
increase in multifamily revenue. The multifamily increase was due to upgrades of
existing customer packages to higher value advertising packages, higher volume
as a result of recent investments in marketing, and to a lesser extent, growth
from the acquisitions of Cozy and OCP. CoStar Suite revenues increased $73
million, or 13%, primarily due to further increases in pricing and, to a lesser
extent, further market penetration and cross-selling of our services. Commercial
property and land revenue increased $30 million, or 17%, primarily due to growth
in our LoopNet online marketplace services of $23 million, as well as, growth in
our land and businesses for-sale services of $6 million. Information services
revenue increased $21 million, or 31%, primarily due to increased revenue of $13
million from our CoStar Real Estate Manager service offerings and $9 million due
to the acquisition of STR.

Gross Profit. Gross profit increased to $1.1 billion in 2019, from $922 million
in 2018. The gross profit percentage was 79% for 2019 compared to 77% for 2018
as revenues increased at a higher rate than cost of revenues. The increase in
cost of revenues of $19 million, or 7%, was primarily due to additional merchant
fees and data and content costs of $9 million, primarily attributable to the
acquisition of Cozy, additional personnel costs of $8 million and additional
costs for research equipment of $3 million. The increase from the prior year was
partially offset by nonrecurring research personnel restructuring costs incurred
in the prior year of $3 million.

Selling and Marketing Expenses. Selling and marketing expenses increased to $409
million in 2019, from $360 million in 2018. The increase was primarily
attributable to $41 million in additional marketing spend, including $23 million
in search engine marketing, $7 million in co-branding and $11 million in other
forms of marketing, primarily for Apartments.com. The increase was also due to a
$5 million increase in personnel costs driven by increased headcount, partially
offset by higher severance and retention costs incurred in 2018 related to the
acquisition of ForRent.


                                       40

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Software Development Expenses. Software development expenses increased to $126
million in 2019, from $101 million in 2018, and increased as a percentage of
revenues to 9% in 2019, compared to 8% in 2018. The increase in the amount of
software development expense was primarily due to a $22 million increase in
personnel costs as a result of increased headcount to enhance our product
offerings, including $2 million due to the acquisition of STR.

General and Administrative Expenses. General and administrative expenses
increased to $179 million in 2019, from $157 million in 2018, and remained
consistent as a percentage of revenues at 13% in 2019 and 2018. The increase in
general and administrative expenses was primarily due to personnel costs of $12
million due to increased headcount, $4 million as a result of the acquisition of
STR, bad debt expense of $4 million, additional software and equipment of $4
million, depreciation expense of $2 million and travel and conference expenses
of $1 million each, partially offset by a $5 million decrease in professional
services.

Customer Base Amortization Expense. Customer base amortization expense increased
to $34 million in 2019, from $31 million in 2018, and decreased as a percentage
of revenues to 2% in 2019, compared to 3% in 2018. The increase in customer base
amortization expense was primarily due to the STR acquisition.

Interest and Other Income. Interest and other income increased to $30 million in
2019, from $13 million in 2018. The increase was primarily due to $11 million in
legal settlement proceeds received during 2019, as well as, higher rates of
return and average cash and cash equivalent balances during 2019 compared to
2018.

Interest and Other Expense. Interest and other expense remained consistent for
2019 and 2018, and primarily consists of commitment fees and amortization of
debt issuance costs.

Income Tax Expense. Income tax expense increased to $76 million in 2019, from
$46 million in 2018. The increase was primarily due to higher income before
income taxes for 2019, and to a lesser extent, discrete items for higher state
research and development tax credits recognized for 2018. The effective tax rate
for 2019 was 19%, compared to 16% in 2018 and lower than the statutory rates due
to discrete items including research and development credits as well as excess
tax benefits.

For a comparison of the Company's results of operations for the fiscal year ended December 31, 2018 to the year ended December 31, 2017, see Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations in the Company's Annual Report on Form 10-K for the year ended December 31, 2018, which was filed with the U.S. Securities and Exchange Commission on February 28, 2019.

Comparison of Business Segment Results for Year Ended December 31, 2019 and Year Ended December 31, 2018



We manage our business geographically in two operating segments, with the
primary areas of measurement and decision-making being North America, which
includes the U.S. and Canada, and International, which primarily includes
Europe, Asia-Pacific and Latin America. Management relies on an internal
management reporting process that provides revenue and operating segment net
income before interest and other income (expense), loss on debt extinguishment,
income taxes, depreciation and amortization ("EBITDA"). Management believes that
operating segment EBITDA is an appropriate measure for evaluating the
operational performance of our operating segments. EBITDA is used by management
to internally measure operating and management performance and to evaluate the
performance of the business. However, this measure should be considered in
addition to, not as a substitute for or superior to, income from operations or
other measures of financial performance prepared in accordance with GAAP.

Segment Revenues. North America revenues increased to $1.4 billion for the year
ended December 31, 2019, from $1.2 billion for the year ended December 31, 2018.
The increase in North America revenues was primarily due to a $85 million
increase in multifamily revenues driven by the sale of higher value advertising
packages and volume, and to a lesser extent, the acquisition of Cozy, and
continued organic growth in CoStar Suite revenues of $71 million. There were
also increases of $29 million and $18 million in commercial property and land
and information services, respectively, primarily due to growth in our LoopNet
and CoStar Real Estate Manager service offerings, and to a lesser extent, the
acquisition of STR. International revenues increased to $40 million for the year
ended December 31, 2019, from $35 million for the year ended December 31,
2018. The increase in International revenues was primarily due the acquisition
of STR and further growth of our subscription-based services.

Segment EBITDA. North America EBITDA increased to $452 million for the year
ended December 31, 2019, from $358 million for the year ended December 31, 2018.
The increase in North America EBITDA was due primarily to an increase in
revenues, partially offset by increases in personnel and marketing costs.
International EBITDA remained consistent at a loss of $7 million for the years
ended December 31, 2019 and December 31, 2018.

For a comparison of the Company's business segment results of operations for the fiscal year ended December 31, 2018 to the year ended December 31, 2017, see Item 7, Management's Discussion and Analysis of Financial Condition and Results of


                                       41
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Operations in the Company's Annual Report on Form 10-K for the year ended December 31, 2018, which was filed with the U.S. Securities and Exchange Commission on February 28, 2019.


                                       42
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Consolidated Quarterly Results of Operations



The following tables present our unaudited consolidated results of operations on
a quarterly basis for the indicated periods (in thousands, except per share
amounts, and as a percentage of total revenues). These tables should be read in
conjunction with the consolidated financial statements and related notes
included in this Annual Report on Form 10-K. The quarterly results of historical
periods are not necessarily indicative of quarterly results for any future
period.

                                                                    2019                                                    2018
                                              Mar. 31       Jun. 30       Sep. 30       Dec. 31       Mar. 31       Jun. 30       Sep. 30       Dec. 31
Revenues                                    $ 328,425     $ 343,760     $ 352,808     $ 374,726     $ 273,718     $ 297,018     $ 305,525     $ 315,571
Cost of revenues                               71,153        71,918        71,172        74,996        62,477        67,136        72,072        68,248
Gross
profit                                        257,272       271,842       281,636       299,730       211,241       229,882       233,453       247,323
Operating expenses                            163,780       197,042       187,367       198,744       157,796       186,108       162,765       141,666
Income from operations                         93,492        74,800       

94,269 100,986 53,445 43,774 70,688 105,657 Interest and other income

                       4,945         5,913         

5,358 13,801 2,987 2,652 3,035 4,607 Interest and other expense

                       (732 )        (697 )       

(704 ) (482 ) (690 ) (728 ) (717 ) (695 ) Income before income taxes

                     97,705        80,016        98,923       114,305        55,742        45,698        73,006       109,569
Income tax expense                             12,536        16,768        20,304        26,378         3,511         1,863        14,247        26,060
Net income                                  $  85,169     $  63,248     $ 

78,619 $ 87,927 $ 52,231 $ 43,835 $ 58,759 $ 83,509 Net income per share - basic

$    2.35     $    1.74     $   

2.16 $ 2.42 $ 1.46 $ 1.22 $ 1.63 $ 2.31 Net income per share - diluted

$    2.33     $    1.73     $    2.15     $    2.39     $    1.44     $    1.20     $    1.61     $    2.29



                                                              2019                                        2018
                                            Mar. 31    Jun. 30    Sep. 30    Dec. 31    Mar. 31    Jun. 30    Sep. 30    Dec. 31
Revenues                                       100 %      100 %      100 %      100 %      100 %      100 %      100 %      100 %
Cost of revenues                                22         21         20         20         23         23         24         22
Gross                                           78                               80                                          78
profit                                                     79         80                    77         77         76
Operating expenses                              50         57         53         53         58         63         54         45
Income from operations                          28         22         27   

27 20 14 22 32 Interest and other income

                        2          2          2    

4 1 1 1 1 Income before income taxes

                      30         24         29         31         21         15         23         33
Income tax expense                               4          5          6          7          1          1          5          8
Net income                                      26 %       19 %       23 %       24 %       20 %       14 %       18 %       25 %


Liquidity and Capital Resources



Our principal sources of liquidity are cash and cash equivalents and cash from
operations. We also have access to $750 million from our revolving credit
facility. In total, cash and cash equivalents decreased by $30 million at
December 31, 2019 compared to December 31, 2018, primarily due to the cash paid
in connection with the acquisitions of STR and OCP for an aggregate amount of
$438 million, cash paid for purchases of property and equipment of $46 million
and repurchases of restricted stock to satisfy employee tax withholding
obligations upon vesting of restricted stock awards valued at approximately $28
million. These decreases were partially offset by net cash generated from
operations of $458 million and proceeds from the exercise of employee stock
options of approximately $25 million.

Net cash provided by operating activities for the year ended December 31, 2019
was $458 million compared to $335 million for the year ended December 31, 2018.
The approximately $123 million increase from December 31, 2018 to December 31,
2019 was primarily due to an increase in net income of $77 million including an
increase in other non-cash expenses such as stock-based compensation expense and
the timing of collections for accounts receivable, partially offset by $15
million placed into an escrow account for deferred compensation for certain STR
employees.


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Net cash used in investing activities for the year ended December 31, 2019 was
$484 million compared to $448 million for the year ended December 31, 2018. The
$36 million increase in cash used in investing activities was primarily due to
approximately $418 million of net cash paid to acquire ForRent, Cozy and Realla
during 2018, compared to $438 million net cash paid during 2019 for the STR and
OCP acquisitions. During 2019, we made capital expenditures of approximately $46
million compared to approximately $30 million during 2018. The increase in
capital expenditures during the year ended December 31, 2019 was partially
driven by the purchase of a corporate aircraft, which is principally used for
business travel by our executives.

Net cash used in financing activities for the year ended December 31, 2019 was
$4 million compared to net cash provided by financing activities of $3 million
for the year ended December 31, 2018. This $7 million increase in cash used in
financing activities in 2019 compared to 2018 was primarily due to higher
repurchases of restricted stock to satisfy employee tax withholding obligations
upon vesting of restricted stock awards of $3 million, as well as a decrease in
proceeds from the exercise of employee stock options of $2 million.

Our future capital requirements will depend on many factors, including, among
others, our operating results, expansion and integration efforts, and our level
of acquisition activity or other strategic transactions. To date, we have grown
in part by acquiring other companies, and we expect to continue to make
acquisitions. On February 11, 2020, our wholly owned subsidiary entered into a
purchase agreement to acquire all of the equity interests of reorganized
RentPath, following an internal restructuring pursuant to a chapter 11 plan of
reorganization, for $588 million in cash. The purchase agreement requires us to
pay a $59 million fee in the event the purchase agreement is terminated prior to
closing under specified circumstances. The acquisition will be funded using cash
on hand. See Note 19 to the accompanying Notes to the Consolidated Financial
Statements included in Part IV of this Annual Report on Form 10-K for further
discussion. Based on current plans, we believe that our available cash combined
with positive cash flow provided by operating activities should be sufficient to
fund our operations for at least the next twelve months.


Contractual Obligations. The following table summarizes our principal
contractual obligations at December 31, 2019 and the effect such obligations are
expected to have on our liquidity and cash flows in future periods (in
thousands):

                                    Total         2020         2021-2022       2023-2024       Thereafter
Operating leases                 $ 165,542     $  34,976     $    64,698     $    53,635     $     12,233
Purchase obligations (1)            41,284        20,798          18,762           1,152              572
Total contractual principal cash
obligations                      $ 206,826     $  55,774     $    83,460     $    54,787     $     12,805
__________________________


(1) Amounts do not include (i) contracts with terms of twelve months or less,
(ii) multi-year contracts that may be terminated by a third-party or us, or
(iii) employment agreements. Amounts do not include income taxes payable due to
uncertainty regarding the timing of future cash payments.

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Critical Accounting Policies



The preparation of financial statements and related disclosures in conformity
with U.S. generally accepted accounting principles ("GAAP") requires management
to make estimates and assumptions that affect the reported amounts of assets and
liabilities, the disclosure of contingent assets and liabilities at the date of
the financial statements and revenues and expenses during the period reported.
The following accounting policies involve a "critical accounting estimate"
because they are particularly dependent on estimates and assumptions made by
management about matters that are highly uncertain at the time the accounting
estimates are made. In addition, while we have used our best estimates based on
facts and circumstances available to us at the time, different acceptable
assumptions would yield different results. Changes in the accounting estimates
are reasonably likely to occur from period to period, which may have a material
impact on the presentation of our financial condition and results of operations.
We review these estimates and assumptions periodically and reflect the effects
of revisions in the period that they are determined to be necessary. We consider
policies relating to the following matters to be critical accounting policies:

• Long-lived assets, intangible assets and goodwill




• Revenue recognition


• Income taxes


• Business combinations



With respect to our accounting policy for long-lived assets, intangible assets
and goodwill, we further supplement in Note 2 of the Notes to the Consolidated
Financial Statements included in this Annual Report on Form 10-K with the
following:

We assess the impairment of long-lived assets, identifiable intangibles and
goodwill whenever events or changes in circumstances indicate that the carrying
value may not be recoverable. Judgments made by management relate to the
expected useful lives of long-lived assets and our ability to recover the
carrying value of such assets. The accuracy of these judgments may be adversely
affected by several factors, including the factors listed below:

• Significant underperformance relative to historical or projected future

operating results;

• Significant changes in the manner of our use of the acquired assets or the

strategy for our overall business;

• Significant negative industry or economic trends; or

• Significant decline in our market capitalization relative to net book value

for a sustained period.

When we determine that the carrying value of long-lived and identifiable intangible assets may not be recovered based upon the existence of one or more of the above indicators, we test for impairment.

Goodwill and identifiable intangible assets that are not subject to amortization
are tested annually for impairment by each reporting unit on October 1 of each
year and are also tested for impairment more frequently based upon the existence
of one or more of the above indicators.

Goodwill represents the excess of costs over the fair value of assets of
acquired businesses. Goodwill is not amortized, but instead tested for
impairment at least annually by each reporting unit. We may first assess
qualitative factors to evaluate whether it is more likely than not that the fair
value of a reporting unit is less than its carrying amount or elect to bypass
such assessment. If it is determined that it is more likely than not that the
fair value of a reporting unit is less than its carrying value, or we elect to
bypass such assessment, we then determine the fair value of each reporting
unit. We estimate the fair value of each reporting unit based on a projected
discounted cash flow model that includes significant assumptions and estimates
including our discount rate, growth rate and future financial performance.
Assumptions about the discount rate are based on a weighted average cost of
capital for comparable companies. Assumptions about the growth rate and future
financial performance of a reporting unit are based on our forecasts, business
plans, economic projections and anticipated future cash flows. These assumptions
are subject to change from period to period and could be adversely impacted by
the uncertainty surrounding global market conditions, commercial real estate
conditions and the competitive environment in which we operate. Changes in these
or other factors could negatively affect our reporting units' fair value and
potentially result in impairment charges. Such impairment charges could have an
adverse effect on our results of operations.

The fair value of each reporting unit is compared to the carrying amount of the
reporting unit. If the carrying value of the reporting unit exceeds the fair
value, then an impairment loss is recognized for the difference. We estimate the
fair value of our reporting units based on a projected discounted cash flow
method using a discount rate determined by our management to be commensurate
with the risk in our current business model. As of October 1, 2019, we assessed
the relevant qualitative factors and concluded that it was not more likely than
not that the fair value of our reporting units was less than their respective
carrying amounts. There have been no events or changes in circumstances as a
result of our qualitative impairment analysis on October 1, 2019, that would
indicate that the carrying value of each reporting unit may not be recoverable.

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For an in-depth discussion of each of our significant accounting policies,
including our critical accounting policies and further information regarding
estimates and assumptions involved in their application, see Note 2 to the
accompanying consolidated financial statements included in this Annual Report on
Form 10-K.

Recent Accounting Pronouncements



See Note 2 of the Notes to Consolidated Financial Statements included in this
Annual Report on Form 10-K for information on recent accounting pronouncements,
including the expected dates of adoption.

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