CoStar Group, Inc. provides information, analytics, and online marketplace services to the commercial real estate, hospitality, residential, and related professionals industries in the United States, Canada, Europe, the Asia Pacific, and Latin America. It offers CoStar Property that provides inventory of office, industrial, retail, multifamily, hospitality, and student housing properties and land; CoStar COMPS, a robust database of comparable commercial real estate sales transactions; CoStar Market Analytics to view and report on aggregated market and submarket trends; and CoStar Tenant, an online business-to-business prospecting and analytical tool that provides tenant information. The company also provides Lease Comps and Analysis, a tool to capture, manage, and maintain lease data; CoStar Lease Analysis; Public Record, a searchable database of commercially-zoned parcels; CoStar Real Estate Manager, a real estate lease administration, portfolio management, and lease accounting compliance software solution; and CoStar Risk Analytics and CoStar Investment. In addition, it offers apartment marketing sites, such as ApartmentFinder.com, ForRent.com, ApartmentHomeLiving.com, WestsideRentals.com, AFTER55.com, CorporateHousing.com, ForRentUniversity.com, Apartamentos.com, and Off Campus Partners; LoopNet Premium Lister; LoopNet Diamond, Platinum, and Gold Ads; LandsofAmerica.com, LandAndFarm.com, and LandWatch.com for rural land for-sale; BizBuySell.com, BizQuest.com, and FindaFranchise.com for operating businesses and franchises for-sale; Ten-X, an online auction platform for commercial real estate; and HomeSnap, an online and mobile software platform, as well as Homes.com, a homes for sale listings site. CoStar Group, Inc. was founded in 1987 and is headquartered in Washington, the District of Columbia.

CoStar Group, Inc.

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Income Statement	Sep '25	Jun '25	Mar '25	Dec '24	Sep '24	Jun '24
Total Revenues	3,056.5	2,915.5	2,812	2,736.2	2,666.9	2,599
Total Revenues %Chg	14.6%	12.2%	11.3%	11.5%	11.7%	12%
Revenues
Property Expenses	634.2	602.6	570.6	558.5	553.9	537
Cost of Revenues
Total Property Expenses	634.2	602.6	570.6	558.5	553.9	537
Gross Profit	2,422.3	2,312.9	2,241.4	2,177.7	2,113	2,062
Gross Profit
Gross Profit Margin	79.3%	79.3%	79.7%	79.6%	79.2%	79.3%
Selling, General & Administrative Expenses	2,415.1	2,252.4	2,186.1	2,128.7	2,036.5	1,947.7
Selling and Marketing
Software Development
General and Administrative
Depreciation & Amortization Expenses	88.3	66.8	50.5	44.3	42.4	42.3
Customer Base Amortization
Operating Profit	-81.1	-6.3	4.8	4.7	34.1	72
Operating Margin	-2.7%	-0.2%	0.2%	0.2%	1.3%	2.8%
Interest and Investment Income	144.2	173.8	194.8	212.5	225	227.8
Interest Income, Net
Interest Expense	—	—	—	—	—	—
Interest Expense, Net
Non-Operating Income	-9	10.1	-7.7	-7.1	-1.2	0.9
Loss on Debt Extinguishment
Other Expense, Net
Total Non-Operating Income	135.2	183.9	187.1	205.4	223.8	228.7
Income Before Provision for Income Taxes	54.1	177.6	191.9	210.1	257.9	300.7
Provision for Income Taxes	33.8	73.4	74.7	71.4	82.5	87.7
Income Tax Expense
Consolidated Net Income	20.3	104.2	117.2	138.7	175.4	213
Net Income Attributable to Common Shareholders	20.3	104.2	117.2	138.7	175.4	213
Net Income
Basic EPS	0	0.3	0.3	0.3	0.4	0.5
Diluted EPS	0	0.3	0.3	0.3	0.4	0.5
Basic Weighted Average Shares Outstanding	414.2	411	407.6	406.3	406.1	405.8
Total Shares Outstanding	424.9	424.1	423.2	409.5	409.5	409.3
Diluted Weighted Average Shares Outstanding	415.8	412.8	408.6	407.8	407.6	407.4
EBITDA	281.2	308.6	286.2	268.3	281.9	306.1
Effective Tax Rate	62.5%	41.3%	38.9%	34%	32%	29.2%