WASHINGTON, April 27, 2016 /PRNewswire/ -- CoStar Group, Inc. (NASDAQ: CSGP), the leading provider of commercial real estate information, analytics and online marketplaces, announced today that revenue for the quarter ended March 31, 2016 was $200 million, an increase of 26% over revenue of $159 million for the first quarter of 2015. EBITDA in the first quarter of 2016 increased to $48 million compared to $14 million in the first quarter of 2015, which represents an increase of $34 million or 234% year-over-year.

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"We had an excellent first quarter with strong revenue growth and margin expansion," said Andrew C. Florance, Founder and Chief Executive Officer of CoStar Group. "We continue to deliver strong sales as net bookings in the first quarter of 2016 were $30 million, up 47% compared to first quarter of 2015. Net new sales on annual subscriptions were $25 million in the first quarter of 2016, up 53% compared to first quarter of 2015."

Florance continued, "CoStar Suite revenue grew 12.5% in the first quarter of 2016 compared to first quarter of 2015 and grew at a rate of 4.4% sequentially in the first quarter of 2016 over the fourth quarter of 2015. Our Multifamily marketplace revenue was up 100% in the first quarter of 2016 compared to first quarter of 2015, as we continue to expand our Apartments.com lead in unique visitors and consumer engagement versus other apartment listing sites, according to comScore. We remain confident that we are able to reach our goal of $1 billion in revenue with a 40% margin exiting 2018."


                            Year 2015-2016 Quarterly Results - Unaudited

                                (in millions, except per share data)

                          2015                                         2016
                          ----                                         ----

                     Q1                   Q2                    Q3            Q4          Q1
                    ---                  ---                   ---           ---         ---


    Revenues              $159                   $171                   $189        $193        $200

    EBITDA                  14                    (1)                    22          55          48

    Net income
     (loss)                (6)                  (15)                   (5)         23          17

    Net income
     (loss) per
     share -
     diluted            (0.19)                (0.47)                (0.17)       0.71        0.52

    Weighted
     average
     outstanding
     shares -
     diluted              31.8                   31.9                   32.0        32.3        32.4


    Adjusted EBITDA         24                     11                     36          65          58

    Non-GAAP Net
     Income                 11                      2                     17          36          31

    Non-GAAP Net
     Income per
     share -
     diluted              0.34                   0.08                   0.53        1.10        0.95

Adjusted EBITDA (which excludes stock-based compensation and other items as defined below) was $58 million for the first quarter of 2016 versus $24 million in the first quarter of 2015, which is an increase of 142% year-over-year.

Net income for the first quarter of 2016 increased to $17 million or $0.52 per diluted share compared to a net loss of $(6) million in the first quarter of 2015.

Non-GAAP net income (defined below) for the quarter ended March 31, 2016 was $31 million or $0.95 per diluted share, an increase of $20 million or 185% compared to non-GAAP net income of $11 million in the first quarter of 2015.

As of March 31, 2016, the Company had approximately $473 million in cash, cash equivalents and investments, which is an increase of $35 million since December 31, 2015. Short and long-term debt outstanding, net of debt issuance costs, totaled approximately $351 million as of March 31, 2016.

Revenues By Services
"
In order to provide additional insight into our revenue, we will report Revenue by Services details in our quarterly financial results and press releases," said CoStar Group Chief Financial Officer Scott Wheeler. "As we continue to grow and expand our service offerings for commercial real estate, we believe this additional transparency will provide our investors with a better understanding of our performance and the drivers of growth."


                                                   CoStar Group, Inc.

                              Revenues by Services 2015-2016 Quarterly Results - Unaudited

                                                      (in millions)


                                          2015                                 2016
                                          ----                                 ----

                                      Q1                Q2                Q3                Q4      Q1
                                     ---               ---               ---               ---      ---

    Information and analytics

    CoStar Suite                           $87                $89                $91            $94      $98

    Information
     services                               19                 19                 19             19       19

    Online marketplaces

    Multifamily                             26                 35                 49             50       52

    Commercial
     property and land                      28                 28                 29             30       30
                                           ---                ---                ---            ---      ---

    Total revenues                        $159               $171               $189           $193     $200

Highlights


    --  CoStar Suite: CoStar Suite was approximately 50% of CoStar's total
        revenue in the first quarter of 2016, and grew 12.5% versus the first
        quarter of 2015. CoStar Suite is comprised of our flagship CoStar
        services in both North America and Europe, including CoStar Property
        Professional, CoStar COMPS Professional, CoStar Tenant; CoStar Market
        Analytics; and CoStar Portfolio Strategy.

    --  Information Services: Information Services were approximately 10% of
        total revenue in the first quarter, and are comprised of LoopNet Premium
        Searcher; CoStar Real Estate Manager; CoStar Risk Analytics COMPASS;
        CoStar Investment Analysis Portfolio Maximizer; CoStar Investment
        Analysis Request; CoStar Brokerage Applications; PROPEX; Grecam and
        Belbex.

    --  Multifamily: Our Multifamily marketplaces were approximately 25% of
        CoStar's total revenue in the first quarter of 2016, and grew 100%
        versus the first quarter of 2015. This includes the added revenue from
        the Apartment Finder acquisition. The Multifamily marketplaces are
        comprised of Apartments.com, ApartmentFinder.com and
        ApartmentHomeLiving.com.

    --  Commercial Property and Land: Our Commercial Property and Land
        marketplaces were approximately 15% of CoStar's total revenue in the
        first quarter and grew 10.5% versus the first quarter of 2015.
        Commercial Property and Land marketplaces include LoopNet Premium
        Lister; LoopLink; CoStar Advertising; BizBuySell and BizQuest;
        LandsofAmerica and LandAndFarm; and CoStar Private Sale Network.

2016 Outlook
"Our strong sales growth and focus on controlling costs were evident in our first quarter 2016 results," stated Wheeler. "We expect to continue to grow the top line and deliver solid margin expansion throughout 2016."

The Company expects revenue of approximately $204 million to $206 million for the second quarter of 2016 and approximately $834 million to $840 million for the full year 2016, an increase of $2 million at the midpoint from the Company's prior outlook.

For the second quarter of 2016, the Company expects non-GAAP net income per diluted share (defined below) of approximately $0.80 to $0.84. Marketing costs are expected to increase in the second quarter of 2016 over the first quarter of 2016 to support sales efforts during the spring apartment rental season. Marketing costs are expected to decline in the second half of 2016, in line with our previously stated plan of reducing spend by $20 million in 2016 versus 2015. This is expected to result in additional margin expansion in the second half of the year. For the full year of 2016, the Company expects non-GAAP net income per diluted share in a range of approximately $4.00 to $4.10, an increase of approximately 100% at the mid-point over 2015.

The preceding forward-looking statements reflect CoStar Group's expectations as of April 27, 2016, including forward-looking non-GAAP financial measures on a consolidated basis. We are not able to forecast with certainty whether or when certain events, such as acquisition-related costs, the exact amounts or timing of investments, transition, restructuring, settlements or impairments will occur in any given quarter. Given the risk factors, uncertainties and assumptions discussed above, actual results may differ materially. Other than in publicly available statements, the Company does not intend to update its forward-looking statements until its next quarterly results announcement.

Reconciliation of EBITDA, adjusted EBITDA, non-GAAP net income and non-GAAP net income per diluted share and all of the disclosed non-GAAP financial measures to their GAAP basis results are shown in detail below, along with definitions for those terms.

Non-GAAP Financial Measures

For information regarding the purpose for which management uses the non-GAAP financial measures disclosed in this release and why management believes they provide useful information to investors regarding the Company's financial condition and results of operations, please refer to the Company's latest periodic report.

EBITDA is a non-GAAP financial measure that represents GAAP net income attributable to CoStar Group before (i) interest income (expense), (ii) provision for income taxes, and (iii) depreciation and amortization.

Adjusted EBITDA is a non-GAAP financial measure that represents EBITDA before (i) stock-based compensation expense, (ii) acquisition and integration related costs, (iii) restructuring charges and related costs, and (iv) settlements and impairments incurred outside the Company's normal business operations.

Non-GAAP net income is a non-GAAP financial measure that represents GAAP net income attributable to CoStar Group before (i) purchase amortization and other related costs, (ii) stock-based compensation expense, (iii) acquisition and integration related costs, (iv) purchase accounting adjustments, (v) restructuring charges and related costs, and (vi) settlements and impairments. From this figure, we then subtract an assumed provision for income taxes to arrive at non-GAAP net income. The company assumes a 38% tax rate in order to approximate our long-term effective corporate tax rate.

Non-GAAP net income per diluted share (also referred to as non-GAAP EPS) is a non-GAAP financial measure that represents non-GAAP net income divided by the number of diluted shares outstanding for the period. For periods with GAAP net losses and non-GAAP net income, the weighted-average outstanding shares used to calculate non-GAAP net income per share includes potentially dilutive securities that were excluded from the calculation of GAAP net income per share as the effect was anti-dilutive.

Earnings Conference Call
Management will conduct a conference call at 11:00 AM EDT on Thursday, April 28, 2016 to discuss earnings results for the first quarter of 2016 and the Company's outlook. The audio portion of the conference call will be broadcast live over the Internet at www.costargroup.com/investors/events. To join the conference call by telephone, please dial (800) 230-1951 (from the United States and Canada) or (612) 332-0335 (from all other countries) and refer to conference code 391087. An audio recording of the conference call will be available for replay approximately one hour after the call's completion and will remain available for a period of time following the call. To access the recorded conference call, please dial (800) 475-6701 (from the U.S. and Canada) or (320) 365-3844 (from all other countries) using access code 391087. The webcast replay will also be available in the Investors section of CoStar Group's website for a period of time following the call.




                                          CoStar Group, Inc.

                      Condensed Consolidated Statements of Operations-Unaudited

                                (in thousands, except per share data)


                                       For the Three Months

                                         Ended March 31,

                                                          2016                      2015
                                                          ----                      ----



    Revenues                                          $199,739                  $159,020

    Cost of
     revenues                                           42,900                    45,396
                                                        ------                    ------

    Gross margin                                       156,839                   113,624


    Operating
     expenses:

      Selling and
       marketing                                        75,204                    69,478

      Software
       development                                      17,635                    15,148

      General and
       administrative                                   27,476                    25,363

      Purchase
       amortization                                      6,223                     7,142

                                                       126,538                   117,131
                                                       -------                   -------


    Income
     (loss) from
     operations                                         30,301                   (3,507)

    Interest and
     other
     income                                                 84                       294

    Interest and
     other
     expense                                           (2,509)                  (2,343)
                                                        ------                    ------

    Income
     (loss)
     before
     income
     taxes                                              27,876                   (5,556)

    Income tax
     expense,
     net                                                11,155                       571
                                                        ------                       ---

    Net income
     (loss)                                            $16,721                  $(6,127)
                                                       =======                   =======


    Net income
     (loss) per
     share -
     basic                                               $0.52                   $(0.19)
                                                         =====                    ======

    Net income
     (loss) per
     share -
     diluted                                             $0.52                   $(0.19)
                                                         =====                    ======


    Weighted
     average
     outstanding
     shares -
     basic                                              32,085                    31,831
                                                        ======                    ======

    Weighted
     average
     outstanding
     shares -
     diluted                                            32,382                    31,831
                                                        ======                    ======



                                                           CoStar Group, Inc.

                                         Reconciliation of Non-GAAP Financial Measures-Unaudited

                                                  (in thousands, except per share data)



    Reconciliation of Net Income (Loss) to Non-GAAP Net Income


                                                        For the Three Months

                                                           Ended March 31,

                                                                           2016                                   2015
                                                                           ----                                   ----


    Net income (loss)                                                   $16,721                               $(6,127)

    Income tax expense, net                                              11,155                                    571
                                                                         ------                                    ---

    Income (loss) before income
     taxes                                                               27,876                                (5,556)

    Purchase amortization and
     other related costs                                                 11,919                                 13,489

    Stock-based compensation
     expense                                                              8,331                                  7,442

    Acquisition and integration
     related costs                                                        1,447                                    624

    Settlements and impairments                                               -                                 1,402
                                                                            ---                                 -----

    Non-GAAP income before income
     taxes                                                               49,573                                 17,401

    Assumed rate for income tax
     expense, net *                                                         38%                                   38%

    Assumed provision for income
     tax expense, net                                                  (18,838)                               (6,612)

    Non-GAAP net income                                                 $30,735                                $10,789
                                                                        =======                                =======


    Net income (loss) per share -
     diluted                                                              $0.52                                $(0.19)
                                                                          =====                                 ======

    Non-GAAP net income per share
     - diluted                                                            $0.95                                  $0.34
                                                                          =====                                  =====


    Weighted average outstanding
     shares -basic**                                                     32,085                                 31,831

    Weighted average outstanding
     shares -diluted**                                                   32,382                                 32,172


    * A 38% tax rate is assumed in order to approximate the Company's long-term effective corporate tax rate.

    ** For periods with GAAP net losses and non-GAAP net income, the weighted-average outstanding shares
     used to calculate non-GAAP net income per share includes potentially dilutive securities that were
     excluded from the calculation of GAAP net income per share as the effect was anti-dilutive.


    Reconciliation of Net Income (Loss) to EBITDA and Adjusted EBITDA


                                                        For the Three Months

                                                           Ended March 31,

                                                                           2016                                   2015
                                                                           ----                                   ----


    Net income (loss)                                                   $16,721                               $(6,127)

    Purchase amortization in cost
     of revenues                                                          5,696                                  6,347

    Purchase amortization in
     operating expenses                                                   6,223                                  7,142

    Depreciation and other
     amortization                                                         5,602                                  4,324

    Interest income                                                        (84)                                 (294)

    Interest expense                                                      2,509                                  2,343

    Income tax expense, net                                              11,155                                    571
                                                                         ------                                    ---

    EBITDA                                                              $47,822                                $14,306
                                                                        -------                                -------

    Stock-based compensation
     expense                                                              8,331                                  7,442

    Acquisition and integration
     related costs                                                        1,447                                    624

    Settlements and impairments                                               -                                 1,402

    Adjusted EBITDA                                                     $57,600                                $23,774
                                                                        =======                                =======




                                                        CoStar Group, Inc.

                                         Condensed Consolidated Balance Sheets - Unaudited

                                                          (in thousands)


                                                                     March 31,             December 31,

                                                                                    2016                   2015
                                                                                    ----                   ----

                                                                    (Unaudited)

    ASSETS

    Current assets:

      Cash and cash equivalents                                                 $461,720               $421,818

      Short-term investments                                                       1,092                      0

      Accounts receivable, net                                                    47,315                 40,276

      Income tax receivable                                                          154                    430

      Prepaid expenses and other current
       assets                                                                      9,656                 10,209

    Total current assets                                                         519,937                472,733


    Long-term investments                                                          9,944                 15,507

    Deferred income taxes, net                                                     8,890                  9,107

    Property and equipment, net                                                   85,962                 88,311

    Goodwill                                                                   1,252,484              1,252,945

    Intangible assets, net                                                       226,392                238,318

    Deposits and other assets                                                      2,404                  2,650

    Total assets                                                              $2,106,013             $2,079,571
                                                                              ==========             ==========


    LIABILITIES AND STOCKHOLDERS'
     EQUITY

    Current liabilities:

      Accounts payable and accrued
       expenses                                                                  $83,460                $76,397

      Current portion of long-term debt                                           16,777                 16,746

      Deferred revenue                                                            43,105                 42,138
                                                                                  ------                 ------

    Total current liabilities                                                    143,342                135,281


    Long-term debt, less current
     portion                                                                     334,146                338,366

    Deferred gain on sale of building                                             20,608                 21,239

    Deferred rent                                                                 29,630                 29,628

    Deferred income taxes, net                                                     6,074                  4,585

    Income taxes payable                                                           6,737                  6,692


    Stockholders' equity                                                       1,565,476              1,543,780
                                                                               ---------              ---------

    Total liabilities and stockholders'
     equity                                                                   $2,106,013             $2,079,571
                                                                              ==========             ==========




                                                              CoStar Group, Inc.

                                                         Results of Segments-Unaudited

                                                                (in thousands)


                                                                 For the Three Months

                                                                   Ended March 31,

                                                                                    2016                             2015
                                                                                    ----                             ----

    Revenues

    North America                                                               $193,261                         $153,017

    International

        External customers                                                         6,478                            6,003

        Intersegment revenue *                                                        11                                8
                                                                                     ---                              ---

    Total International
     revenue                                                                       6,489                            6,011

    Intersegment eliminations                                                       (11)                             (8)

    Total revenues                                                              $199,739                         $159,020
                                                                                ========                         ========


    EBITDA

    North America **                                                             $46,864                          $13,677

    International ***                                                                958                              629
                                                                                     ---                              ---

    Total EBITDA                                                                 $47,822                          $14,306
                                                                                 =======                          =======


    *Intersegment revenue recorded during 2015 and 2016 was attributable to services performed for the Company's
     wholly owned subsidiary, CoStar Portfolio Strategy by Grecam S.A.S. ("Grecam"), a wholly owned subsidiary
     of CoStar Limited, the Company's wholly owned U.K. holding company.


    **North America EBITDA includes an allocation of approximately $167,000 and $202,000 for the three months
     ended March 31, 2016 and 2015, respectively. This allocation represents costs incurred for International
     employees involved in development activities of the Company's North America operating segment.


    ***International EBITDA includes a corporate allocation of approximately $55,000 and $58,000 for the three
     months ended March 31, 2016 and 2015, respectively.  This corporate allocation represents costs incurred
     for North America employees involved in management and expansion activities of the Company's International
     operating segment.



                                       CoStar Group, Inc.

                                 Revenues by Services-Unaudited

                                         (in thousands)


                                      For the Three Months

                                        Ended March 31,

                                                        2016        2015
                                                        ----        ----


    Information and analytics

    CoStar Suite                                     $97,634     $86,810

    Information services                              19,425      18,537

    Online marketplaces

    Multifamily                                       52,238      26,133

    Commercial property and land                      30,442      27,540
                                                      ------      ------

    Total revenues                                  $199,739    $159,020



                                                                                  CoStar Group, Inc.

                                              Reconciliation of Non-GAAP Financial Measures with 2015-2016 Quarterly Results - Unaudited

                                                                         (in millions, except per share data)


    Reconciliation of Net Income (Loss) to Non-GAAP Net Income


                                                                     2015                                             2016
                                                                     ----                                             ----

                                                              Q1                      Q2                      Q3                      Q4              Q1
                                                              ---                    ---                     ---                     ---             ---


    Net income (loss)                                              $(6.1)                 $(15.0)                  $(5.4)                   $23.0          $16.7

    Income tax expense (benefit),
     net                                                              0.6                    (7.4)                     2.6                     10.2           11.2

    Income (loss) before income
     taxes                                                          (5.5)                  (22.4)                   (2.8)                    33.2           27.9

    Purchase amortization and
     other related costs                                             13.5                     13.5                     17.1                     13.9           11.9

    Stock-based compensation
     expense                                                          7.4                      8.4                      9.3                      9.4            8.3

    Acquisition and integration
     related costs                                                    0.6                      2.9                      1.8                      1.0            1.5

    Restructuring and related
     costs                                                              -                       -                     2.3                    (0.3)             -

    Settlements and impairments                                       1.4                      1.4                        -                       -             -

    Non-GAAP income before income
     taxes                                                           17.4                      3.9                     27.7                     57.2           49.6

    Assumed rate for income tax
     expense, net *                                                   38%                     38%                     38%                     38%           38%

    Assumed provision for income
     tax expense, net                                               (6.6)                   (1.5)                  (10.5)                  (21.7)        (18.9)

    Non-GAAP net income                                             $10.8                     $2.4                    $17.2                    $35.5          $30.7
                                                                    =====                     ====                    =====                    =====          =====


    Non-GAAP net income per share
     - diluted                                                      $0.34                    $0.08                    $0.53                    $1.10          $0.95
                                                                    =====                    =====                    =====                    =====          =====


    Weighted average outstanding
     shares -basic**                                                 31.8                     32.0                     32.0                     32.0           32.1

    Weighted average outstanding
     shares -diluted**                                               32.2                     32.3                     32.2                     32.3           32.4


    * A 38% tax rate is assumed in order to approximate the Company's long-term effective corporate tax rate.

    ** For periods with GAAP net losses and non-GAAP net income, the weighted-average outstanding shares used to calculate non-GAAP net income per
     share includes potentially dilutive securities that were excluded from the calculation of GAAP net income per share as the effect was anti-
     dilutive.



    Reconciliation of Net Income (Loss) to EBITDA and Adjusted EBITDA


                                                                     2015                                             2016
                                                                     ----                                             ----

                                                              Q1                      Q2                      Q3                      Q4              Q1
                                                              ---                    ---                     ---                     ---             ---


    Net income (loss)                                              $(6.1)                 $(15.0)                  $(5.4)                   $23.0          $16.7

    Purchase amortization                                            13.5                     13.5                     17.1                     13.9           11.9

    Depreciation and other
     amortization                                                     4.3                      5.1                      5.4                      5.7            5.6

    Interest income                                                 (0.3)                   (0.1)                   (0.0)                   (0.1)         (0.1)

    Interest expense                                                  2.3                      2.4                      2.4                      2.3            2.5

    Income tax expense (benefit),
     net                                                              0.6                    (7.4)                     2.6                     10.2           11.2

    EBITDA                                                          $14.3                   $(1.5)                   $22.1                    $55.0          $47.8
                                                                    -----                    -----                    -----                    -----          -----

    Stock-based compensation
     expense                                                          7.4                      8.4                      9.3                      9.4            8.3

    Acquisition and integration
     related costs                                                    0.6                      2.9                      1.8                      1.0            1.5

    Restructuring and related
     costs                                                              -                       -                     2.3                    (0.3)             -

    Settlements and impairments                                       1.4                      1.4                        -                       -             -

    Adjusted EBITDA                                                 $23.7                    $11.2                    $35.5                    $65.1          $57.6
                                                                    =====                    =====                    =====                    =====          =====




                                                                                                                  CoStar Group, Inc.

                                                                                                 Reconciliation of Forward-Looking Guidance-Unaudited

                                                                                                        (in thousands, except per share data)


    Reconciliation of Forward-Looking Guidance, Net Income to Non-GAAP Net Income



                                                              Guidance Range                                  Guidance Range

                                                           For the Three Months                           For the Twelve Months

                                                           Ended June 30, 2016                           Ended December 31, 2016

                                                                   Low                                             High                               Low            High
                                                                   ---                                             ----                               ---            ----


    Net income                                                               $11,700                                          $13,900                        $73,000          $79,000

    Income tax expense, net                                                    7,800                                            9,300                         48,600           52,600
                                                                               -----                                            -----                         ------           ------

    Income before income taxes                                                19,500                                           23,200                        121,600          131,600

    Purchase amortization and
     other related costs                                                      11,400                                           11,400                         45,000           45,000

    Stock-based compensation
     expense                                                                  10,000                                            9,000                         40,000           36,000

    Acquisition and integration
     related costs                                                             1,000                                              500                          2,500            2,000

    Restructuring and related
     costs                                                                         -                                               -                           500              500

    Non-GAAP income before income
     taxes                                                                    41,900                                           44,100                        209,600          215,100

    Assumed rate for income tax
     expense, net *                                                              38%                                             38%                           38%             38%

    Assumed provision for income
     tax expense, net                                                       (15,900)                                        (16,800)                      (79,600)        (81,700)

    Non-GAAP net income                                                      $26,000                                          $27,300                       $130,000         $133,400
                                                                             =======                                          =======                       ========         ========


    Net income per share - diluted                                             $0.36                                            $0.43                          $2.25            $2.43
                                                                               =====                                            =====                          =====            =====

    Non-GAAP net income per share
     - diluted                                                                 $0.80                                            $0.84                          $4.00            $4.10
                                                                               =====                                            =====                          =====            =====


    Weighted average outstanding
     shares -diluted                                                          32,500                                           32,500                         32,500           32,500


    * A 38% tax rate is assumed in order to approximate the Company's long-term effective corporate tax rate.



    Reconciliation of Forward-Looking Guidance, Net Income to Adjusted EBITDA



                                                              Guidance Range                                  Guidance Range

                                                           For the Three Months                           For the Twelve Months

                                                           Ended June 30, 2016                           Ended December 31, 2016

                                                                   Low                                             High                               Low            High
                                                                   ---                                             ----                               ---            ----

    Net income                                                               $11,700                                          $13,900                        $73,000          $79,000

    Purchase amortization and
     other related costs                                                      11,400                                           11,400                         45,000           45,000

    Depreciation and other
     amortization                                                              6,200                                            6,200                         24,600           24,600

    Interest and other expense
     (income), net                                                             2,400                                            2,400                         10,300           10,300

    Income tax expense, net                                                    7,800                                            9,300                         48,600           52,600

    Stock-based compensation
     expense                                                                  10,000                                            9,000                         40,000           36,000

    Acquisition and integration
     related costs                                                             1,000                                              500                          2,500            2,000

    Restructuring and related
     costs                                                                         -                                               -                           500              500

    Adjusted EBITDA                                                          $50,500                                          $52,700                       $244,500         $250,000
                                                                             =======                                          =======                       ========         ========

About CoStar Group, Inc.

CoStar Group, Inc. (Nasdaq: CSGP) is the leading provider of commercial real estate information, analytics and online marketplaces. Founded in 1987, CoStar conducts expansive, ongoing research to produce and maintain the largest and most comprehensive database of commercial real estate information. Our suite of online services enables clients to analyze, interpret and gain unmatched insight on commercial property values, market conditions and current availabilities. LoopNet is the most heavily trafficked commercial real estate marketplace online with more than 10 million registered members. Apartments.com, ApartmentFinder.com and ApartmentHomeLiving.com form the premier online apartment resource for renters seeking great apartment homes and provide property managers and owners a proven platform for marketing their properties. Through an exclusive partnership with Move, a subsidiary of News Corporation, Apartments.com is the exclusive provider of apartment community listings across Move's family of websites, which include realtor.com®, doorsteps.com and move.com. CoStar Group's websites attracted an average of approximately 24 million unique monthly visitors in aggregate in the first quarter of 2016. Headquartered in Washington, DC, CoStar maintains offices throughout the U.S. and in Europe and Canada with a staff of approximately 2,600 worldwide, including the industry's largest professional research organization. For more information, visit www.costargroup.com.

This news release contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements include, but are not limited to, statements about CoStar Group's financial expectations, the Company's plans, objectives, expectations and intentions and other statements including words such as "hope," "anticipate," "may," "believe," "expect," "intend," "will," "should," "plan," "estimate," "predict," "continue" and "potential" or the negative of these terms or other comparable terminology. Such statements are based upon the current beliefs and expectations of management of CoStar Group and are subject to significant risks and uncertainties. Actual results may differ materially from the results anticipated in the forward-looking statements. The following factors, among others, could cause or contribute to such differences: the risk that the trends stated or implied by this release cannot or will not be sustained at the current pace, including trends related to sales, earnings, revenue, unique visitors and consumer engagement; the risk that the Company is unable to sustain current growth rates or increase them; the possibility that the Company modifies the additional Revenues by Services disclosure it expects to provide to investors or the frequency of that disclosure; the risk that the additional revenue disclosure does not provide the expected understanding of the Company's performance and drivers of growth; the risk that top line growth and/or solid margin expansion do not continue throughout 2016; the risk that revenues for the second quarter and full year 2016 will not be as stated in this press release; the risk that net income for the second quarter and full year 2016 will not be as stated in this press release; the risk that non-GAAP net income and non-GAAP net income per diluted share for the second quarter and full year 2016 will not be as stated in this press release; the risk that adjusted EBITDA for the second quarter and full year 2016 will not be as stated in this press release; the risk that actual marketing costs for the second quarter, second half and full year 2016 differ from current expectations stated in this release; the risk that the Company is unable to achieve additional margin expansion in the second half of 2016; and the risk that the Company is unable to achieve the revenue and margin goals stated in this press release. Additional factors that could cause results to differ materially from those anticipated in the forward-looking statements can be found in CoStar's Annual Report on Form 10-K for the year ended December 31, 2015, which is filed with the SEC, including in the "Risk Factors" section of that filing, and the Company's other filings with the SEC available at the SEC's website (www.sec.gov). CoStar assumes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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SOURCE CoStar Group, Inc.