S-8 S-8 EX-FILING FEES 0001057352 COSTAR GROUP, INC. N/A Fees to be Paid 0001057352 2026-07-28 2026-07-28 0001057352 1 2026-07-28 2026-07-28 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-8

COSTAR GROUP, INC.

Table 1: Newly Registered Securities

Security Type

Security Class Title

Fee Calculation Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

1 Equity Common Stock, par value $0.01 per share Other 2,500,000 $ 24.66 $ 61,650,000.00 0.0001381 $ 8,513.87

Total Offering Amounts:

$ 61,650,000.00

$ 8,513.87

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 8,513.87

Offering Note

1

(1) The CoStar Group, Inc. 2026 Employee Stock Purchase Plan (the "Plan") authorizes the issuance of 2,500,000 shares of CoStar Group, Inc. (the "Company") common stock, par value $0.01 per share ("Common Stock"). Pursuant to Rule 416(a) of the Securities Act of 1933, as amended (the "Securities Act"), this registration statement shall also cover any additional shares of Common Stock that become issuable under the Plan by reason of any stock dividend, stock split, or similar transaction. The Plan was approved by the Board of Directors of the Company and the Company's stockholders at the Company's 2026 Annual Meeting of Stockholders. (2) Estimated solely for the purpose of calculating the registration fee pursuant to Rules 457(c) and 457(h) of the Securities Act and based on 90% of the average of the high and low prices per share of Common Stock as reported on the Nasdaq Global Select Market on July 23, 2026. Pursuant to the Plan, the Company currently expects to implement an initial offering under the Plan that will provide for a purchase price equal to 90% of the fair market value of a share of Common Stock on the purchase date.

Table 2: Fee Offset Claims and Sources ☑Not Applicable
Registrant or Filer Name Form or Filing Type File Number Initial Filing Date Filing Date Fee Offset Claimed Security Type Associated with Fee Offset Claimed Security Title Associated with Fee Offset Claimed Unsold Securities Associated with Fee Offset Claimed Unsold Aggregate Offering Amount Associated with Fee Offset Claimed Fee Paid with Fee Offset Source
Rule 457(p)
Fee Offset Claims
Fee Offset Sources