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October 23, 2018

CoStar Group Third Quarter 2018 Revenue Grows 23% and Net Income Increases 72% Year-over-Year

WASHINGTON, Oct. 23, 2018 /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 September 30, 2018, was $306 million, an increase of 23% over revenue of $248 million for the third quarter of 2017.

Net income for the quarter ended September 30, 2018, increased $25 million to $59 million or $1.61 per diluted share compared to $34 million for the third quarter of 2017, an increase of 72%. Non-GAAP net income (defined below) for the quarter ended September 30, 2018, which excludes one-time costs associated with the acquisition of ForRent and other items, was $79 million or $2.16 per diluted share, an increase of $33 million or 70% versus the third quarter of 2017. Company-wide net new bookings were $40 million in the third quarter of 2018, an increase of 16% year-over-year.

"We achieved another excellent quarter of revenue growth, with exceptionally strong margin expansion," said Andrew C. Florance, Founder and Chief Executive Officer of CoStar Group. "We surpassed $300 million in revenue in the third quarter and generated $110 million of adjusted EBITDA – both high water marks for the Company. We are confidently on our way to surpassing our goal of 40% adjusted EBITDA margin for the fourth quarter of 2018.  I am particularly pleased with our strong sales growth given our team's year-to-date focus on converting over 7,100 customers to the Apartments.com network."

Florance continued, "Our Multifamily team has done an excellent job successfully integrating ForRent. We completed the combination of the ForRent.com website with the CoStar database in September, making ForRent the fastest ILS integration we have ever done.  Our combined ForRent and Apartments.com sales team will now focus on expanding our Apartments.com customer base in the months ahead." 

Year 2017-2018 Quarterly Results - Unaudited

(in millions, except per share data)

 

2017

 

2018

 
 

Q1

Q2

Q3

Q4

 

Q1

Q2

Q3

                 

Revenues

$

227

 

$

237

 

$

248

 

$

254

   

$

274

 

$

297

 

$

306

 

Net income

22

 

22

 

34

 

44

   

52

 

44

 

59

 

Net income per share - diluted

0.68

 

0.68

 

1.04

 

1.22

   

1.44

 

1.20

 

1.61

 

Weighted average outstanding shares - diluted

32.6

 

32.7

 

32.8

 

36.1

   

36.4

 

36.5

 

36.5

 
                 

EBITDA

55

 

44

 

73

 

66

   

70

 

64

 

91

 

Adjusted EBITDA

64

 

54

 

84

 

78

   

84

 

85

 

110

 

Non-GAAP net income

34

 

28

 

46

 

45

   

60

 

60

 

79

 

Non-GAAP net income per share - diluted

1.05

 

0.86

 

1.41

 

1.25

   

1.65

 

1.66

 

2.16

 

CoStar Suite revenue was $139 million in the third quarter of 2018, an increase of 19% compared to the third quarter of 2017. Multifamily revenue for the third quarter of 2018 was $105 million versus $72 million in the third quarter of 2017, an increase of 45%. Revenue by services can be found within the tables included in this release.

EBITDA (defined below) in the third quarter of 2018 was $91 million, compared to $73 million in the third quarter of 2017, an increase of 25%. Adjusted EBITDA (which excludes stock-based compensation, acquisition-related costs and other items as described below) was $110 million for the third quarter of 2018, an increase of 31% over adjusted EBITDA for the third quarter of 2017. Adjusted EBITDA margin for the third quarter of 2018 was 36%.

As of September 30, 2018, the Company had approximately $1,082 million in cash, cash equivalents and long-term investments, and no outstanding debt.

On October 12, 2018, the Company announced its acquisition of Realla Ltd., the UK's largest marketplace specializing in commercial property.  "Across the world, marketing commercial properties is moving to digital marketplaces, away from wood-based products like magazines, flyers, and boards," said Florance.  "Realla is the UK's most comprehensive commercial property digital marketplace - and when combined with the CoStar information solution it is expected to offer the best tools for marketing properties, valuations and facilitating transactions."

2018 Outlook
"Given our very strong margin performance, we are confident we will exceed our goal of 40% adjusted EBITDA margin for the fourth quarter of 2018, and are raising our earnings guidance for the full year of 2018," stated Scott Wheeler, Chief Financial Officer of CoStar Group. "With another solid sales quarter and the majority of the ForRent integration complete, we can now confirm our previous revenue outlook around a tighter range for 2018."

The Company expects revenue in the range of $1.183 billion to $1.189 billion for the full year of 2018, reflecting revenue growth of 23% over full year 2017. We expect revenue for the fourth quarter of 2018 in the range of $307 million to $313 million, representing revenue growth of 22% over the fourth quarter of 2017 at the midpoint of the range.

The Company expects adjusted EBITDA in a range of $404 million to $408 million for the full year of 2018, an increase of $6 million at the midpoint and an adjusted EBITDA margin of 34%, up 500 basis points from 2017. For the fourth quarter of 2018, the Company expects adjusted EBITDA in a range of $125 million to $129 million and an adjusted EBITDA margin of 41%.

We expect full-year 2018 non-GAAP net income per diluted share in a range of $7.95 to $8.03 based on 36.5 million shares, an increase of $0.14 at the midpoint versus the previously provided outlook. For the fourth quarter of 2018, we expect non-GAAP net income per diluted share in a range of $2.48 to $2.56 based on 36.5 million shares. These ranges include a non-GAAP tax rate of 25%.

The preceding forward-looking statements reflect CoStar Group's expectations as of October 23, 2018, including forward-looking non-GAAP financial measures on a consolidated basis. 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. A reconciliation of forward-looking non-GAAP guidance to the most directly comparable GAAP measure, net income, can be found within the tables included in this release.

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 and other income (expense) and loss on debt extinguishment, (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 costs and related costs, and (iv) settlements and impairments incurred outside the Company's normal course of business.

Non-GAAP net income is a non-GAAP financial measure that represents GAAP net income attributable to CoStar Group before (i) amortization of acquired intangible assets, (ii) stock-based compensation expense, (iii) acquisition and integration related costs, (iv) restructuring costs  (v) settlement and impairment costs, and (vi) loss on debt extinguishment. From this figure, we then subtract an assumed provision for income taxes to arrive at non-GAAP net income. In 2017, the company assumed a 38% tax rate, and in 2018 the company is assuming a 25% tax rate in order to approximate our statutory corporate tax rate excluding the impact of discrete items.

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 5:00 PM EDT on Tuesday, October 23, 2018 to discuss earnings results for the third quarter of 2018 and the Company's outlook. The audio portion of the conference call will be broadcast live over the Internet at www.costargroup.com/investors/stock-info. To join the conference call by telephone, please dial (800) 230-1059 (from the United States and Canada) or (612) 234-9959 (from all other countries) and refer to conference code 455388. 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 455388. 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)

                 
   

Three Months Ended
September 30,

 

Nine Months Ended
September 30,

   

2018

 

2017

 

2018

 

2017

                 

Revenues

 

$

305,525

   

$

247,533

   

$

876,261

   

$

711,239

 

Cost of revenues

 

72,072

   

55,483

   

201,685

   

162,102

 

Gross profit

 

233,453

   

192,050

   

674,576

   

549,137

 
                 

Operating expenses:

               

Selling and marketing (excluding customer base amortization)

 

89,251

   

72,705

   

290,706

   

240,833

 

Software development

 

26,173

   

21,536

   

75,357

   

67,054

 

General and administrative

 

39,012

   

35,998

   

117,658

   

104,550

 

Customer base amortization

 

8,329

   

4,298

   

22,948

   

13,642

 
   

162,765

   

134,537

   

506,669

   

426,079

 
                 

Income from operations

 

70,688

   

57,513

   

167,907

   

123,058

 

Interest and other income

 

3,035

   

555

   

8,674

   

1,589

 

Interest and other expense

 

(717)

   

(2,901)

   

(2,135)

   

(8,280)

 

Income before income taxes

 

73,006

   

55,167

   

174,446

   

116,367

 

Income tax expense

 

14,247

   

20,990

   

19,621

   

37,876

 

Net income

 

$

58,759

   

$

34,177

   

$

154,825

   

$

78,491

 
                 

Net income per share - basic

 

$

1.63

   

$

1.05

   

$

4.30

   

$

2.42

 

Net income per share - diluted

 

$

1.61

   

$

1.04

   

$

4.25

   

$

2.40

 
                 

Weighted average outstanding shares - basic

 

36,129

   

32,444

   

36,032

   

32,375

 

Weighted average outstanding shares - diluted

 

36,518

   

32,814

   

36,439

   

32,705

 

CoStar Group, Inc.

Reconciliation of Non-GAAP Financial Measures - Unaudited

(in thousands, except per share data)

                 

Reconciliation of Net Income to Non-GAAP Net Income

   

Three Months Ended
September 30,

 

Nine Months Ended
September 30,

   

2018

 

2017

 

2018

 

2017

                 

Net income

 

$

58,759

   

$

34,177

   

$

154,825

   

$

78,491

 

Income tax expense

 

14,247

   

20,990

   

19,621

   

37,876

 

Income before income taxes

 

73,006

   

55,167

   

174,446

   

116,367

 

Amortization of acquired intangible assets

 

13,639

   

8,498

   

38,190

   

28,731

 

Stock-based compensation expense

 

8,953

   

9,743

   

30,593

   

29,203

 

Acquisition and integration related costs

 

7,171

   

1,224

   

20,199

   

1,996

 

Restructuring and related costs

 

 

2,314

   

   

2,314

   

 

Settlements and impairments

 

   

   

   

(760)

 

Non-GAAP income before income taxes

 

105,083

   

74,632

   

265,742

   

175,537

 

Assumed rate for income tax expense *

 

25

%

 

38

%

 

25

%

 

38

%

Assumed provision for income tax expense

 

(26,271)

   

(28,360)

   

(66,436)

   

(66,704)

 

Non-GAAP net income

 

$

78,812

   

$

46,272

   

$

199,306

   

$

108,833

 
                 

Net income per share - diluted

 

$

1.61

   

$

1.04

   

$

4.25

   

$

2.40

 

Non-GAAP net income per share - diluted

 

$

2.16

   

$

1.41

   

$

5.47

   

$

3.33

 
                 

Weighted average outstanding  shares - basic

 

36,129

   

32,444

   

36,032

   

32,375

 

Weighted average outstanding  shares - diluted

 

36,518

   

32,814

   

36,439

   

32,705

 
                 

* A 25% and 38% tax rate is assumed for 2018 and 2017, respectively, which approximates our statutory corporate tax rate.

                 

Reconciliation of Net Income to EBITDA and Adjusted EBITDA

   

Three Months Ended
September 30,

 

Nine Months Ended
September 30,

   

2018

 

2017

 

2018

 

2017

                 

Net income

 

$

58,759

   

$

34,177

   

$

154,825

   

$

78,491

 

Amortization of acquired intangible assets in cost of revenues

 

5,310

   

4,200

   

15,242

   

15,089

 

Amortization of acquired intangible assets in operating expenses

 

8,329

   

4,298

   

22,948

   

13,642

 

Depreciation and other amortization

 

6,794

   

6,621

   

19,810

   

19,546

 

Interest and other income

 

(3,035)

   

(555)

   

(8,674)

   

(1,589)

 

Interest and other expense

 

717

   

2,901

   

2,135

   

8,280

 

Income tax expense

 

14,247

   

20,990

   

19,621

   

37,876

 

EBITDA

 

$

91,121

   

$

72,632

   

$

225,907

   

$

171,335

 

Stock-based compensation expense

 

8,953

   

9,743

   

30,593

   

29,203

 

Acquisition and integration related costs

 

7,171

   

1,224

   

20,199

   

1,996

 

Settlements and impairments

 

   

   

   

(760)

 

Restructuring and related costs

 

2,314

   

   

2,314

   

 

Adjusted EBITDA

 

$

109,559

   

$

83,599

   

$

279,013

   

$

201,774

 

CoStar Group, Inc.

Condensed Consolidated Balance Sheets

(in thousands)

         
   

September 30,
 2018

 

December 31,
2017

   

(Unaudited)

   

ASSETS

       

Current assets:

       

Cash and cash equivalents

 

$

1,071,786

   

$

1,211,463

 

Accounts receivable, less allowance for doubtful accounts of approximately $5,668 and $6,469 as
of September 30, 2018 and December 31, 2017, respectively

 

82,279

   

60,900

 

Prepaid expenses and other current assets

 

25,203

   

15,572

 

Total current assets

 

1,179,268

   

1,287,935

 
         

Long-term investments

 

10,070

   

10,070

 

Deferred income taxes, net

 

2,679

   

5,431

 

Property and equipment, net

 

81,937

   

84,496

 

Goodwill

 

1,548,976

   

1,283,457

 

Intangible assets, net

 

285,958

   

182,892

 

Deferred commission costs, net

 

76,062

   

 

Deposits and other assets

 

7,394

   

6,179

 

Income tax receivable

 

14,878

   

12,981

 

Total assets

 

$

3,207,222

   

$

2,873,441

 
         

LIABILITIES AND STOCKHOLDERS' EQUITY

       

Current liabilities:

       

Accounts payable

 

$

10,114

   

$

9,262

 

Accrued wages and commissions

 

50,483

   

54,104

 

Accrued expenses

 

33,500

   

22,193

 

Deferred gain on the sale of building

 

2,523

   

2,523

 

Income taxes payable

 

1,269

   

8,166

 

Deferred rent

 

5,386

   

4,732

 

Deferred revenue

 

50,195

   

45,686

 

Total current liabilities

 

153,470

   

146,666

 
         

Deferred gain on the sale of building

 

14,299

   

16,192

 

Deferred rent

 

31,146

   

33,909

 

Deferred income taxes, net

 

64,865

   

12,070

 

Income taxes payable

 

15,128

   

13,354

 

Total liabilities

 

278,908

   

222,191

 
         

Total stockholders' equity

 

2,928,314

   

2,651,250

 

Total liabilities and stockholders' equity

 

$

3,207,222

   

$

2,873,441

 

CoStar Group, Inc.

Condensed Consolidated Statements of Cash Flows - Unaudited

(in thousands, unaudited)

   
 

Nine Months Ended
September 30,

 

2018

 

2017

Operating activities:

     

Net income

$

154,825

   

$

78,491

 

Adjustments to reconcile net income to net cash provided by operating activities:

     

Depreciation and amortization

58,000

   

48,277

 

Amortization of deferred commissions costs

36,242

   

 

Amortization of debt issuance costs

657

   

2,157

 

Stock-based compensation expense

30,593

   

29,203

 

Deferred income tax expense, net

7,644

   

6,087

 

Bad debt expense

4,519

   

3,992

 

Changes in operating assets and liabilities, net of acquisitions:

     

Accounts receivable

(19,038)

   

(15,809)

 

Prepaid expenses and other current assets

(2,952)

   

(3,561)

 

Deferred commissions

(41,421)

   

 

Deposits and other assets

(1,396)

   

(3,387)

 

Accounts payable and other liabilities

(13,443)

   

11,888

 

Deferred revenue

6,454

   

5,969

 

Net cash provided by operating activities

220,684

   

163,307

 
       

Investing activities:

     

Purchases of property and equipment and other assets

(21,801)

   

(19,754)

 

Cash paid for acquisitions, net of cash acquired

(340,074)

   

(47,767)

 

Net cash used in investing activities

(361,875)

   

(67,521)

 
       

Financing activities:

     

Payments of long-term debt

   

(35,000)

 

Payments of debt issuance costs

   

(643)

 

Repurchase of restricted stock to satisfy tax withholding obligations

(23,666)

   

(14,309)

 

Proceeds from exercise of stock options and employee stock purchase plan

25,768

   

9,058

 

Net cash provided by (used in) financing activities

2,102

   

(40,894)

 
       

Effect of foreign currency exchange rates on cash and cash equivalents

(588)

   

880

 

Net (decrease) increase in cash and cash equivalents

(139,677)

   

55,772

 

Cash and cash equivalents at the beginning of period

1,211,463

   

567,223

 

Cash and cash equivalents at the end of period

$

1,071,786

   

$

622,995

 

CoStar Group, Inc.

Disaggregated Revenues - Unaudited

(in thousands)

   
 

Three Months Ended September 30,

 

2018

 

2017

 

North America

 

International

 

Total

 

North America

 

International

 

Total

Information and analytics

                     

CoStar Suite

$

132,700

   

$

6,384

   

$

139,084

   

$

111,452

   

$

5,862

   

$

117,314

 

Information services

15,310

   

2,225

   

17,535

   

16,582

   

2,134

   

18,716

 

Online marketplaces

                     

Multifamily

104,778

   

   

104,778

   

72,257

   

   

72,257

 

Commercial property
and land

44,128

   

   

44,128

   

39,246

   

   

39,246

 

Total revenues

$

296,916

   

$

8,609

   

$

305,525

   

$

239,537

   

$

7,996

   

$

247,533

 
   
   
   
 

Nine Months Ended September 30,

 

2018

 

2017

 

North America

 

International

 

Total

 

North America

 

International

 

Total

Information and analytics

                     

CoStar Suite

$

383,876

   

$

19,381

   

$

403,257

   

$

324,713

   

$

16,374

   

$

341,087

 

Information services

41,544

   

6,881

   

48,425

   

49,203

   

6,161

   

55,364

 

Online marketplaces

                     

Multifamily

297,254

   

   

297,254

   

204,324

   

   

204,324

 

Commercial property and land

127,325

   

   

127,325

   

110,464

   

   

110,464

 

Total revenues

$

849,999

   

$

26,262

   

$

876,261

   

$

688,704

   

$

22,535

   

$

711,239

 

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 December 31, 2018

 

Ended December 31, 2018

 

Low

 

High

 

Low

 

High

               

Net income

$

72,000

   

$

77,000

   

$

227,000

   

$

232,000

 

Income tax expense

22,000

   

24,000

   

42,000

   

44,000

 

Income before income taxes

94,000

   

101,000

   

269,000

   

276,000

 

Amortization of acquired intangible assets

13,000

   

13,000

   

51,000

   

51,000

 

Stock-based compensation expense

12,000

   

10,000

   

43,000

   

41,000

 

Acquisition and integration related costs

2,000

   

1,000

   

22,000

   

21,000

 

Restructuring and related costs

   

   

2,000

   

2,000

 

Non-GAAP income before income taxes

121,000

   

125,000

   

387,000

   

391,000

 

Assumed rate for income tax expense *

25

%

 

25

%

 

25

%

 

25

%

Assumed provision for income tax expense

(30,300)

   

(31,300)

   

(97,000)

   

(98,000)

 

Non-GAAP net income

$

90,700

   

$

93,700

   

$

290,000

   

$

293,000

 
               

Net income per share - diluted

$

1.97

   

$

2.10

   

$

6.22

   

$

6.36

 

Non-GAAP net income per share - diluted

$

2.48

   

$

2.56

   

$

7.95

   

$

8.03

 
               

Weighted average outstanding  shares - diluted

36,600

   

36,600

   

36,500

   

36,500

 
               

* A 25% tax rate is assumed, which approximates our statutory 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 December 31, 2018

 

Ended December 31, 2018

 

Low

 

High

 

Low

 

High

Net income

$

72,000

   

$

77,000

   

$

227,000

   

$

232,000

 

Amortization of acquired intangible assets

13,000

   

13,000

   

51,000

   

51,000

 

Depreciation and other amortization

6,000

   

6,000

   

26,000

   

26,000

 

Interest and other expense, net

(2,000)

   

(2,000)

   

(9,000)

   

(9,000)

 

Income tax expense

22,000

   

24,000

   

42,000

   

44,000

 

Stock-based compensation expense

12,000

   

10,000

   

43,000

   

41,000

 

Acquisition and integration related costs

2,000

   

1,000

   

22,000

   

21,000

 

Restructuring and related costs

   

   

2,000

   

2,000

 

Adjusted EBITDA

$

125,000

   

$

129,000

   

$

404,000

   

$

408,000

 

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 approximately 5 million monthly unique visitors per month. Realla is the UK's most comprehensive commercial property digital marketplace. Apartments.com, ApartmentFinder.com, ForRent.com, ApartmentHomeLiving.com, Westside Rentals, AFTER55.com, CorporateHousing.com, ForRentUniversity.com and Apartamentos.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. CoStar Group's websites attracted an average of approximately 45 million unique monthly visitors in aggregate in the third quarter of 2018. Headquartered in Washington, DC, CoStar maintains offices throughout the U.S. and in Europe and Canada with a staff of over 3,600 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 revenue, net income, non-GAAP net income, EBITDA, adjusted EBITDA, margin expansion, and sales; the risk that the Company is unable to sustain current revenue and earnings growth rates or increase them; the risk that the Company is unable to achieve or exceed its stated goal of 40% adjusted EBITDA margin for the fourth quarter 2018; the likelihood that the Company's adjusted EBITDA margin will fluctuate in the future; the risk that the Company is unable to expand its Apartments.com customer base in the months ahead; the risk that the Company's revenue and earnings do not fall within the guidance provided for the full year of 2018; the risk that revenues for the fourth quarter and full year 2018 will not be as stated in this press release; the risk that net income for the fourth quarter and full year 2018 will not be as stated in this press release; the risk that adjusted EBITDA and adjusted EBITDA margin for the fourth quarter and full year 2018 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 fourth quarter and full year 2018 will not be as stated in this press release; the risk that the tax rate estimates stated in this press release are incorrect or may change; the risk that the Realla business may not be combined successfully or in a timely and cost-efficient manner; the risk that the combination does not produce the expected results or benefits, including the best tools for marketing properties, valuations and facilitating transactions; the risk that business disruption relating to the Realla acquisition may be greater than expected; and the risk that the combination and integration of Realla will disrupt CoStar's operations or result in the loss of customers or key employees. 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, 2017, and CoStar's Quarterly Report on Form 10-Q for the quarter ended June 30, 2018, each of which is filed with the SEC, including in the "Risk Factors" section of those filings, 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.

888-226-7404
1331 L Street, NW
Washington, DC 20005

CoStar Group, Inc. (NASDAQ: CSGP) is commercial real estate's leading provider of information, analytics and online marketplaces.

888-226-7404
1331 L Street, NW
Washington, DC 20005

CoStar Group, Inc. (NASDAQ: CSGP)
is commercial real estate's leading
provider of information, analytics
and online marketplaces.