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  <TITLE>S-8</TITLE>
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   <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>As filed with the Securities and Exchange Commission on February&nbsp;28, 2025 </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Registration No.&nbsp;333-&#8195;&#8195;&#8195; </B></P> <P STYLE="font-size:4pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES
  AND EXCHANGE COMMISSION </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P>
  <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM <FONT STYLE="white-space:nowrap">S-8</FONT> </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>REGISTRATION STATEMENT </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B><I>Under </I></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B><I>THE
  SECURITIES ACT OF 1933 </I></B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>CoStar Group, Inc. </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact Name of Registrant as Specified in its Charter) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
  <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">
  
  
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  <TD VALIGN="top" ALIGN="center"><B>Delaware</B></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">52-2091509</FONT></B></TD></TR>
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  <TD VALIGN="top" ALIGN="center"><B>(State or other jurisdiction of</B></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="top" ALIGN="center"><B>(I.R.S. Employer</B></TD></TR>
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  <TD VALIGN="top" ALIGN="center"><B>incorporation or organization)</B></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="top" ALIGN="center"><B>Identification No.)</B></TD></TR>
  </TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>1201 Wilson Boulevard </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Arlington, Virginia 22209 </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Address of principal executive offices) (Zip code) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
  <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Matterport,
  Inc. 2021 Incentive Award Plan </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Full title of the plan) </B></P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Gene Boxer </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>General
  Counsel&nbsp;&amp; Corporate Secretary </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>CoStar Group, Inc. </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>1201 Wilson Boulevard </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Arlington, Virginia 22209 </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(202) <FONT STYLE="white-space:nowrap">346-6500</FONT> </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Name, address, including zip code, and telephone number, including area code, of agent for service) </B></P>
  <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a
  <FONT STYLE="white-space:nowrap">non-accelerated</FONT> filer, a smaller reporting company or an emerging growth company. See the definitions of &#147;large accelerated filer,&#148; &#147;accelerated filer,&#148; &#147;smaller reporting
  company&#148; and &#147;emerging growth company&#148; in Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Exchange Act. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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  <TD VALIGN="bottom">Large&nbsp;accelerated&nbsp;filer</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom">&#9746;</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom">Accelerated filer</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom">&#9744;</TD></TR>
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  <TD VALIGN="bottom"><FONT STYLE="white-space:nowrap">Non-accelerated</FONT> filer</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom">&#9744;</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom">Smaller&nbsp;reporting&nbsp;company</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom">&#9744;</TD></TR>
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  <TD VALIGN="bottom">&nbsp;</TD>
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  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom">Emerging growth company</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom">&#9744;</TD></TR>
  </TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
  with any new or revised financial accounting standards provided pursuant to Section&nbsp;7(a)(2)(B) of the Securities Act.<B>&nbsp;</B>&#9744; </P> <P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>
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   <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>EXPLANATORY NOTE </B></P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">On April&nbsp;21, 2024, CoStar Group, Inc., a Delaware corporation (&#147;CoStar Group&#148;), entered into an Agreement and Plan of Merger and Reorganization
  (the &#147;Merger Agreement&#148;) with Matterport, Inc., a Delaware corporation (&#147;Matterport&#148;), Matrix Merger Sub, Inc., a Delaware corporation and wholly-owned subsidiary of CoStar Group (&#147;Merger Sub I&#148;), and Matrix Merger Sub
  II LLC, a Delaware limited liability company and wholly-owned subsidiary of CoStar Group (&#147;Merger Sub II&#148;), pursuant to which, among other things, subject to its terms, (i) Merger Sub I agreed to merge with and into Matterport (the
  &#147;First Merger&#148; and the effective time of such merger, the &#147;First Effective Time&#148;), with Matterport surviving the First Merger as a wholly-owned subsidiary of CoStar Group (the &#147;Surviving Corporation&#148;) and
  (ii)&nbsp;immediately following the First Merger and as part of a single integrated transaction, the Surviving Corporation agreed to merge with and into Merger Sub II (the &#147;Second Merger&#148; and, together with the First Merger, the
  &#147;Mergers&#148;), with Merger Sub II surviving the Second Merger as a wholly-owned subsidiary of CoStar Group (the &#147;Transaction&#148;). CoStar Group also agreed to convert, in connection with the transaction: (i)&nbsp;certain restricted
  stock units granted under the Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan and the Matterport, Inc. 2021 Incentive Award Plan (each, a &#147;Company Equity Plan&#148;) into restricted stock units covering shares of CoStar Group
  common stock (after such conversion, the &#147;Rollover RSUs&#148;) and (ii)&nbsp;certain options to purchase shares of Matterport common stock granted under a Company Equity Plan into options to purchase shares of CoStar Group common stock (after
  such conversion, the &#147;Rollover Options&#148;). Each Rollover RSU and Rollover Option shall generally be subject to the same terms and conditions as was applied to the corresponding Matterport award as of immediately prior to the First Effective
  Time, except for such terms rendered inoperative by reason of the First Merger, subject to such adjustments as reasonably determined by CoStar Group to be necessary or appropriate to give effect to the conversion or the First Merger. On
  February&nbsp;28, 2025, the transactions contemplated by the Merger Agreement were consummated. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This Registration Statement on Form <FONT
  STYLE="white-space:nowrap">S-8</FONT> registers an aggregate of 5,756,530 shares of common stock of CoStar Group, including (i)&nbsp;1,799,240 shares of common stock of CoStar Group that may be issued pursuant to the Rollover Options and an
  additional (ii)&nbsp;2,256,544 shares of common stock of CoStar Group that may be issued pursuant to the Rollover RSUs. </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>PART I </B></P>
  <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS </B></P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item 1. Plan Information.</B>* </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&#8201;2. Registrant
  Information and Employee Plan Annual Information.* </B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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  <TD WIDTH="2%" VALIGN="top" ALIGN="left">*</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The documents containing the information specified in this Part I of
  <FONT STYLE="white-space:nowrap">Form&nbsp;S-8&nbsp;(plan</FONT> information and registration information and employee plan annual information) will be sent or given to employees as specified by the Securities and Exchange Commission (the
  &#147;Commission&#148;) pursuant to Rule 428(b)(1) of the Securities Act of 1933, as amended (the &#147;Securities Act&#148;). Such documents are not required to be and are not filed with the Commission either as part of this registration statement
  (this &#147;Registration Statement&#148;) or as prospectuses or prospectus supplements pursuant to Rule 424. These documents and the documents incorporated by reference in this Registration Statement pursuant to Item 3 of Part II hereof, taken
  together, constitute a prospectus that meets the requirements of Section&nbsp;10(a) of the Securities Act. CoStar Group will provide a written statement to participants advising them of the availability without charge, upon written or oral request,
  of the documents incorporated by reference in Item 3 of Part II hereof and including the statement in the preceding sentence. The written statement to all participants will indicate the availability without charge, upon written or oral request, of
  other documents required to be delivered pursuant to Rule 428(b), and will include the address and telephone number to which the request is to be directed. </P></TD></TR></TABLE>
  <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>PART II </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INFORMATION
  REQUIRED IN THE REGISTRATION STATEMENT </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>References in this Registration Statement to &#147;we,&#148; &#147;us,&#148;
  &#147;our,&#148; and the &#147;registrant,&#148; or similar references, refer to CoStar Group, unless otherwise stated or the context otherwise requires. </I></P>
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   <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&#8201;3. Incorporation of Documents by Reference. </B></P>
  <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following documents, which have been filed by CoStar Group with the Commission pursuant to the Securities Exchange Act of 1934, as amended
  (the &#147;Exchange Act&#148;), are incorporated by reference in, and shall be deemed to be a part of, this Registration Statement: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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  <TD WIDTH="4%">&nbsp;</TD>
  <TD WIDTH="5%" VALIGN="top" ALIGN="left">(a)</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">CoStar Group&#146;s Annual Report on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/1057352/000105735225000016/csgp-20241231.htm">Form
   <FONT STYLE="white-space:nowrap">10-K</FONT></A> for the fiscal year ended December&nbsp;31, 2024, filed with the Commission on February&nbsp;20, 2025 (File <FONT STYLE="white-space:nowrap">No.&nbsp;000-24531)</FONT> (the &#147;Annual
  Report&#148;); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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  <TD WIDTH="5%" VALIGN="top" ALIGN="left">(b)</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">the description of CoStar Group&#146;s common stock contained in its Form
  <FONT STYLE="white-space:nowrap">8-A</FONT> filed with the Commission on June&nbsp;25, 1998, as updated by the Exhibit 4.2 to the Annual Report, as well as any additional amendments or reports filed for the purpose of updating such description.
  </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">All reports and other documents filed by CoStar Group with the Commission pursuant to Sections 13(a), 13(c), 14 and
  15(d) of the Exchange Act after the date hereof and prior to the filing of a post-effective amendment which indicates that all securities offered pursuant to this Registration Statement have been sold or which deregisters all securities then
  remaining unsold, shall be deemed to be incorporated by reference herein and to be a part hereof from the date of filing of such documents or reports. </P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For purposes of this Registration Statement, any document or any statement contained in a document incorporated or deemed to be incorporated
  herein by reference shall be deemed to be modified or superseded to the extent that a subsequently filed document or a statement contained therein, or in any other subsequently filed document which also is or is deemed to be incorporated by
  reference, modifies or supersedes such document or such statement in such document. Any statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement. </P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Under no circumstances shall any information furnished under Item 2.02 or 7.01 of Form <FONT STYLE="white-space:nowrap">8-K</FONT> be deemed
  incorporated herein by reference unless such Form <FONT STYLE="white-space:nowrap">8-K</FONT> expressly provides to the contrary. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&#8201;4.
  Description of Securities. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Not applicable. </P>
  <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&#8201;5. Interests of Named Experts and Counsel. </B></P>
  <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Not applicable. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&#8201;6.
  Indemnification of Directors and Officers. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Section&nbsp;102 of the DGCL permits a corporation to eliminate the personal liability of
  directors of a corporation to the corporation or its stockholders for monetary damages for a breach of fiduciary duty as a director, except where the director breached his duty of loyalty, failed to act in good faith, engaged in intentional
  misconduct or knowingly violated a law, authorized the payment of a dividend or approved a stock repurchase in violation of Delaware corporate law or obtained an improper personal benefit. The Fourth Amended and Restated Certificate of Incorporation
  of CoStar Group (the &#147;CoStar Group Certificate of Incorporation&#148;) provides that no director of CoStar Group shall be personally liable to it or its stockholders for monetary damages for any breach of fiduciary duty as a director,
  notwithstanding any provision of law imposing such liability, provided, however, that the CoStar Group Certificate of Incorporation will not eliminate or limit the liability of a director (i)&nbsp;for any breach of the director&#146;s duty of
  loyalty to CoStar Group or its stockholders, (ii)&nbsp;for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (iii)&nbsp;under Section&nbsp;174 of the DGCL or (iv)&nbsp;for any transaction from
  which the director derived an improper personal benefit. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Section&nbsp;145 of the DGCL provides that a corporation has the power to
  indemnify a director, officer, employee, or agent of the corporation, or a person serving at the request of the corporation for another corporation, partnership, joint venture, trust or other enterprise in related capacities against expenses
  (including attorneys&#146; fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by the person in connection with an action, suit or proceeding to which he was or is a party or is threatened to be made a party to
  any threatened, ending or completed action, suit or proceeding by reason of such position, if such person acted in good faith and in a manner </P>
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   <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">he reasonably believed to be in or not opposed to the best interests of the corporation, and, in any
  criminal action or proceeding, had no reasonable cause to believe his conduct was unlawful, except that, in the case of actions brought by or in the right of the corporation, no indemnification shall be made with respect to any claim, issue or
  matter as to which such person shall have been adjudged to be liable to the corporation unless and only to the extent that the Court of Chancery or other adjudicating court determines that, despite the adjudication of liability but in view of all of
  the circumstances of the case, such person is fairly and reasonably entitled to indemnity for such expenses which the Court of Chancery or such other court shall deem proper. </P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The CoStar Group Certificate of Incorporation obligates CoStar Group, to the fullest extent permitted by Section&nbsp;145 of the DGCL, to
  indemnify each director and officer of CoStar Group from and against any and all of the expenses, liabilities or other matters referred to in or covered by Section&nbsp;145 of the DGCL and the indemnification provided for in the CoStar Group
  Certificate of Incorporation will not be deemed exclusive of any other rights to which those indemnified may be entitled under the Fourth Amended and Restated Bylaws of CoStar Group (the &#147;CoStar Group
  <FONT STYLE="white-space:nowrap">By-laws&#148;),</FONT> agreement, vote of stockholders, vote of disinterested directors or otherwise, and will continue as to a person who has ceased to be a director or officer and will inure to the benefit of the
  heirs, executors and administrators of such persons and CoStar Group may purchase and maintain insurance on behalf of any director or officer to the extent permitted by Section&nbsp;145 of the DGCL. </P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The CoStar Group <FONT STYLE="white-space:nowrap">By-laws</FONT> obligate CoStar Group, to the fullest extent required or permitted by
  applicable law, to indemnify any person who was or is a party or is threatened to be made a party to any threatened, pending or completed action, suit, arbitration, alternative dispute mechanism, hearing or proceeding (collectively, a
  &#147;Proceeding&#148;), whether civil, criminal, administrative or investigative, by reason of the fact that such person is or was or has agreed to become a director or officer of CoStar Group, or, while a director or officer of CoStar Group, is or
  was serving or has agreed to serve at the request of CoStar Group as a director, officer, employee, agent or trustee of another corporation, partnership, joint venture, trust or other enterprise (including service with respect to an employee benefit
  plan), or by reason of any action alleged to have been taken or omitted in such capacity. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The CoStar Group
  <FONT STYLE="white-space:nowrap">By-laws</FONT> also permit CoStar Group to indemnify any person who was or is a party or is threatened to be made a party to a Proceeding by reason of the fact that such person is or was or has agreed to become an
  employee or agent of CoStar Group, or is or was serving or has agreed to serve at the request of CoStar Group as a director, officer, employee, agent or trustee of another corporation, partnership, joint venture, trust or other enterprise (including
  service with respect to an employee benefit plan), against all expenses (including attorneys&#146; fees), liabilities, losses, judgments, fines, penalties and amounts paid in settlement actually and reasonably incurred by such person or on his or
  her behalf in connection with such action, suit or Proceeding and any appeal therefrom, if such person acted in good faith and in a manner he or she reasonably believed to be in or not opposed to the best interests of CoStar Group, and, with respect
  to any criminal action or Proceeding, had no reasonable cause to believe his or her conduct was unlawful; except that in the case of an action or suit by or in the right of CoStar Group to procure a judgment in its favor (1)&nbsp;such
  indemnification shall be limited to expenses (including attorneys&#146; fees) actually and reasonably incurred by such person in the defense or settlement of such Proceeding, and (2)&nbsp;no indemnification shall be made in respect of any claim,
  issue or matter as to which such person shall have been adjudged to be liable to CoStar Group unless and only to the extent that the Delaware Court of Chancery or the court in which such action or suit was brought shall determine upon application
  that, despite the adjudication of liability but in view of all the circumstances of the case, such person is fairly and reasonably entitled to indemnity for such expenses which the Delaware Court of Chancery or such other court shall deem proper.
  </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The CoStar Group <FONT STYLE="white-space:nowrap">By-laws</FONT> also obligate CoStar Group to indemnify a CoStar Group director or
  officer in connection with any Proceeding (or part thereof) initiated by such person except with respect to a proceeding to enforce rights to indemnification or advance payment of expenses, provided such proceeding (or part thereof) must be
  authorized by the board of directors of CoStar Group (the &#147;CoStar Group Board&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">To the extent that a director or officer of
  CoStar Group has been successful on the merits or otherwise in defense of any Proceeding or in defense of any claim, issue or matter therein, or in any Proceeding brought by a director or officer to enforce rights to indemnification or advance
  payment of expenses, such person shall be indemnified against expenses (including attorneys&#146; fees) actually and reasonably incurred by him or her in connection therewith. </P>
  </DIV></Center>
  
  
  <p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
  <HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
  
  <Center><DIV STYLE="width:8.5in" align="left">
   <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Any indemnification of a director or officer of CoStar Group (unless ordered by a court or
  required under the CoStar Group <FONT STYLE="white-space:nowrap">By-laws)</FONT> shall be made by CoStar Group unless a determination is made that indemnification of the director or officer is not proper in the circumstances because he or she has
  not met the applicable standard of conduct set forth in the CoStar Group <FONT STYLE="white-space:nowrap">By-laws.</FONT> Any such determination shall be made (1)&nbsp;by the CoStar Group Board by a majority vote of a quorum consisting of directors
  who were not parties to such Proceeding, or (2)&nbsp;by a committee of such directors designated by majority vote of such directors, even though less than a quorum, or (3)&nbsp;if such a quorum is not obtainable, or, even if obtainable a quorum of
  disinterested directors so directs, by independent legal counsel in a written opinion, or (4)&nbsp;by the vote of a majority of the stockholders present or voting by proxy at an annual or special meeting of stockholders of CoStar Group. </P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Unless the CoStar Group Board otherwise determines in a specific case, expenses incurred by a director or officer in advance of the final
  disposition of any Proceeding shall be paid by CoStar Group upon request. CoStar Group&#146;s form indemnification agreement provides that the signatories thereto undertake to reimburse such amount if it shall ultimately be determined (after all
  appeals by a court of competent jurisdiction) that he or she is not entitled to be indemnified by CoStar Group. Such expenses incurred by other employees and agents may be so paid upon such terms and conditions, if any, as the CoStar Group Board
  deems appropriate. The CoStar Group Board may authorize CoStar Group&#146;s legal counsel to represent such director, officer, employee or agent in any Proceeding, whether or not CoStar Group is a party to such Proceeding. </P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">CoStar Group has entered into indemnification agreements with certain of its directors and officers, which are intended to provide
  indemnification to the fullest extent permitted by the DGCL. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&#8201;7. Exemption from Registration Claimed. </B></P>
  <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Not applicable. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&#8201;8. Exhibits.
  </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following documents are filed as exhibits to this Registration Statement: </P>
  <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">
  
  
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  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:2.00em; text-indent:-2.00em; font-size:10pt; font-family:Times New Roman"><B>(a)&#8194;&#8201;&#8202;Exhibits.</B></P></TD></TR>
  </TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">
  
  
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  <TD VALIGN="bottom" WIDTH="2%"></TD>
  <TD WIDTH="73%"></TD>
  
  <TD VALIGN="bottom" WIDTH="1%"></TD>
  <TD WIDTH="4%"></TD>
  
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  <TD VALIGN="bottom" WIDTH="1%"></TD>
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  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" COLSPAN="3" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Incorporated by<BR>Reference</B></P></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
  <TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Exhibit</B></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Description</B></P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Form</B></P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Exhibit</B></P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Filing&nbsp;Date</B></P></TD></TR>
  
  
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>&#8199;&#8199;3.1</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="http://www.sec.gov/Archives/edgar/data/1057352/000105735221000074/ex31-fourtharcharter.htm">Fourth Amended and Restated Certificate of Incorporation of CoStar Group, Inc. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><FONT STYLE="white-space:nowrap">8-K</FONT></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top">3.1</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top">June&nbsp;7,&nbsp;2021</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>&#8199;&#8199;3.2</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="http://www.sec.gov/Archives/edgar/data/1057352/000105735222000069/fourthamendedandrestatedby.htm">Fourth Amended and Restated <FONT STYLE="white-space:nowrap">By-Laws</FONT> of CoStar Group, Inc. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><FONT STYLE="white-space:nowrap">8-K</FONT></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top">3.1</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top">May&nbsp;9, 2022</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>&#8199;&#8199;5.1*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dex51.htm">Opinion of Latham&nbsp;&amp; Watkins LLP. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>&#8199;23.1*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dex231.htm">Consent of Ernst&nbsp;&amp; Young, LLP, Independent Registered Public Accounting Firm. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>&#8199;23.2*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dex51.htm">Consent of Latham&nbsp;&amp; Watkins LLP (included in Exhibit 5.1). </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
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  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>&#8199;24.1*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213ds8.htm#sig">Power of Attorney (included on signature page of the Registration Statement). </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>#99.1*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dex991.htm">Matterport, Inc. 2021 Incentive Award Plan. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>#99.2*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dex992.htm">Form of Option Agreement under the Matterport, Inc. 2021 Incentive Award Plan. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>#99.3*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dex993.htm">Form of Restricted Stock Unit Agreement under the Matterport, Inc. 2021 Incentive Award Plan. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
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  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>#99.4*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dex994.htm">Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
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  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>#99.5*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dex995.htm">Form of Option Agreement under the Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
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  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>#99.6*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dex996.htm">Form of Restricted Stock Unit Agreement under the Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="8"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
  <TD HEIGHT="8" COLSPAN="2"></TD>
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  <TD HEIGHT="8" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" NOWRAP>107*</TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"><A HREF="d933213dexfilingfees.htm">Filing Fee Table. </A></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="top" ALIGN="right">*</TD></TR>
  </TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR style = "page-break-inside:avoid">
  <TD WIDTH="2%" VALIGN="top" ALIGN="left">*</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Filed herewith. </P></TD></TR></TABLE>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR style = "page-break-inside:avoid">
  <TD WIDTH="2%" VALIGN="top" ALIGN="left">#</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Indicates a management contract or compensatory plan or arrangement. </P></TD></TR></TABLE>
  </DIV></Center>
  
  
  <p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
  <HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
  
  <Center><DIV STYLE="width:8.5in" align="left">
   <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Item&#8201;9. Undertakings. </B></P>
  <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) The undersigned registrant hereby undertakes: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR style = "page-break-inside:avoid">
  <TD WIDTH="9%">&nbsp;</TD>
  <TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To file, during any period in which offers or sales are being made, a post-effective amendment to this
  Registration Statement: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR style = "page-break-inside:avoid">
  <TD WIDTH="13%">&nbsp;</TD>
  <TD WIDTH="5%" VALIGN="top" ALIGN="left">(i)</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To include any prospectus required by Section&nbsp;10(a)(3) of the Securities Act of 1933, as amended (the
  &#147;Securities Act&#148;); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR style = "page-break-inside:avoid">
  <TD WIDTH="13%">&nbsp;</TD>
  <TD WIDTH="5%" VALIGN="top" ALIGN="left">(ii)</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To reflect in the prospectus any facts or events arising after the effective date of the Registration Statement
  (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the Registration Statement. Notwithstanding the foregoing, any increase or decrease in
  volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus
  filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than 20&nbsp;percent change in the maximum aggregate offering price set forth in the &#147;Calculation of Filing Fee
  Tables&#148; or &#147;Calculation of Registration Fee&#148; table in the effective Registration Statement; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR style = "page-break-inside:avoid">
  <TD WIDTH="13%">&nbsp;</TD>
  <TD WIDTH="5%" VALIGN="top" ALIGN="left">(iii)</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To include any material information with respect to the plan of distribution not previously disclosed in the
  Registration Statement or any material change to such information in the Registration Statement; </P></TD></TR></TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:18%; font-size:10pt; font-family:Times New Roman"><I>provided,
  however</I>, that paragraphs (a)(1)(i) and (a)(1)(ii) of this section do not apply if the registration statement is on Form <FONT STYLE="white-space:nowrap">S-8,</FONT> and the information required to be included in a post-effective amendment by
  those paragraphs is contained in reports filed with or furnished to the Commission by the registrant pursuant to Section&nbsp;13 or Section&nbsp;15(d) of the Exchange Act that are incorporated by reference in the Registration Statement. </P>
  <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR style = "page-break-inside:avoid">
  <TD WIDTH="9%">&nbsp;</TD>
  <TD WIDTH="4%" VALIGN="top" ALIGN="left">(2)</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment
  shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial <I>bona fide </I>offering thereof. </P></TD></TR></TABLE>
  <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
  <TR style = "page-break-inside:avoid">
  <TD WIDTH="9%">&nbsp;</TD>
  <TD WIDTH="4%" VALIGN="top" ALIGN="left">(3)</TD>
  <TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To remove from registration by means of a post-effective amendment any of the securities being registered which
  remain unsold at the termination of the offering. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) The undersigned registrant hereby undertakes that, for purposes
  of determining any liability under the Securities Act, each filing of the registrant&#146;s annual report pursuant to Section&nbsp;13(a) or Section&nbsp;15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan&#146;s
  annual report pursuant to Section&nbsp;15(d) of the Exchange Act) that is incorporated by reference in the Registration Statement shall be deemed to be a new registration statement relating to the securities offered herein, and the offering of such
  securities at that time shall be deemed to be the initial <I>bona fide </I>offering thereof. </P>
  </DIV></Center>
  
  
  <p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
  <HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
  
  <Center><DIV STYLE="width:8.5in" align="left">
   <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(h) Insofar as indemnification for liabilities arising under the Securities Act may be
  permitted to directors, officers and controlling persons of the registrant pursuant to the foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the Commission such indemnification is against public policy as
  expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the registrant of expenses incurred or paid by a director, officer or controlling
  person of the registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the registrant will, unless in the opinion of its
  counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final
  adjudication of such issue. </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="sig"></A>SIGNATURES </B></P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets
  all of the requirements for filing on Form <FONT STYLE="white-space:nowrap">S-8</FONT> and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized in Arlington, Virginia on the 28th day of
  February, 2025. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">
  
  
  <TR>
  
  <TD WIDTH="7%"></TD>
  
  <TD VALIGN="bottom" WIDTH="1%"></TD>
  <TD WIDTH="92%"></TD></TR>
  
  
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top" COLSPAN="3"><B>COSTAR GROUP, INC.</B></TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top">By:</TD>
  <TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000">&nbsp;</TD>
  <TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000">/s/ Gene Boxer</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="top">Name: Gene Boxer</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="top">Title: General Counsel&nbsp;&amp; Corporate Secretary</TD></TR>
  </TABLE></DIV> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each person whose signature appears below hereby constitutes and appoints Gene Boxer and each of them
  singly, his or her true and lawful <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">attorneys-in-fact</FONT></FONT> and agents, with full power of substitution and resubstitution, for him or her and in his or her name, place and
  stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this Registration Statement and any and all additional registration statements pursuant to Rule 462(b) of the Securities Act of 1933, as
  amended, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, granting unto each said
  <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">attorney-in-fact</FONT></FONT> and agents full power and authority to do and perform each and every act in person, hereby ratifying and confirming all that said <FONT
  STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">attorneys-in-fact</FONT></FONT> and agents or either of them or their or his or her substitute or substitutes may lawfully do or cause to be done by virtue hereof. </P>
  <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the
  capacities and as of the dates indicated. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">
  
  
  <TR>
  
  <TD WIDTH="38%"></TD>
  
  <TD VALIGN="bottom"></TD>
  <TD WIDTH="44%"></TD>
  
  <TD VALIGN="bottom" WIDTH="1%"></TD>
  <TD WIDTH="16%"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
  <TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Signature</B></P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Title</B></P></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Date</B></P></TD></TR>
  
  
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ Michael R. Klein</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">Chairman</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">February&nbsp;28, 2025</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Michael R. Klein</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom"></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom"></TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ Andrew C. Florance</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">Chief Executive Officer and Director</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">February&nbsp;28, 2025</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Andrew C. Florance</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" NOWRAP ALIGN="center">(Principal Executive Officer)</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom"></TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ Christian Lown</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">Chief Financial Officer</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">February&nbsp;28, 2025</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Christian Lown</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" NOWRAP ALIGN="center">(Principal Financial Officer)</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom"></TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ Angelique G. Brunner</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">Director</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">February&nbsp;28, 2025</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Angelique G. Brunner</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom"></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom"></TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ John W. Hill</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">Director</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">February&nbsp;28, 2025</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">John W. Hill</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom"></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom"></TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ Laura Cox Kaplan</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">Director</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">February&nbsp;28, 2025</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Laura Cox Kaplan</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom"></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom"></TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ Robert W. Musslewhite</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">Director</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">February&nbsp;28, 2025</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Robert W. Musslewhite</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom"></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom"></TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ Christopher J. Nassetta</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">Director</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">February&nbsp;28, 2025</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Christopher J. Nassetta</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom"></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom"></TD></TR>
  <TR STYLE="font-size:1pt">
  <TD HEIGHT="16"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD>
  <TD HEIGHT="16" COLSPAN="2"></TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="bottom" STYLE="BORDER-BOTTOM:1px solid #000000"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">/s/ Louise S. Sams</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">Director</TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom" ALIGN="center">February&nbsp;28, 2025</TD></TR>
  <TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
  <TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Louise S. Sams</P></TD>
  <TD VALIGN="bottom">&nbsp;&nbsp;</TD>
  <TD VALIGN="bottom"></TD>
  <TD VALIGN="bottom">&nbsp;</TD>
  <TD VALIGN="bottom"></TD></TR>
  </TABLE>
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text: S-8
  As filed with the Securities and Exchange Commission on February 28, 2025
  Registration No. 333-
  UNITED STATES
  SECURITIES
  AND EXCHANGE COMMISSION
  Washington, D.C. 20549
  FORM
  S-8
  REGISTRATION STATEMENT
  Under
  THE
  SECURITIES ACT OF 1933
  CoStar Group, Inc.
  (Exact Name of Registrant as Specified in its Charter)
  Delaware
  52-2091509
  (State or other jurisdiction of
  (I.R.S. Employer
  incorporation or organization)
  Identification No.)
  1201 Wilson Boulevard
  Arlington, Virginia 22209
  (Address of principal executive offices) (Zip code)
  Matterport,
  Inc. 2021 Incentive Award Plan
  Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan
  (Full title of the plan)
  Gene Boxer
  General
  Counsel & Corporate Secretary
  CoStar Group, Inc.
  1201 Wilson Boulevard
  Arlington, Virginia 22209
  (202)
  346-6500
  (Name, address, including zip code, and telephone number, including area code, of agent for service)
  Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a
  non-accelerated
  filer, a smaller reporting company or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting
  company" and "emerging growth company" in Rule
  12b-2
  of the Exchange Act.
  Large accelerated filer
  ☒
  Accelerated filer
  ☐
  Non-accelerated
  filer
  ☐
  Smaller reporting company
  ☐
  Emerging growth company
  ☐
  If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
  with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.
  ☐
  EXPLANATORY NOTE
  On April 21, 2024, CoStar Group, Inc., a Delaware corporation ("CoStar Group"), entered into an Agreement and Plan of Merger and Reorganization
  (the "Merger Agreement") with Matterport, Inc., a Delaware corporation ("Matterport"), Matrix Merger Sub, Inc., a Delaware corporation and wholly-owned subsidiary of CoStar Group ("Merger Sub I"), and Matrix Merger Sub
  II LLC, a Delaware limited liability company and wholly-owned subsidiary of CoStar Group ("Merger Sub II"), pursuant to which, among other things, subject to its terms, (i) Merger Sub I agreed to merge with and into Matterport (the
  "First Merger" and the effective time of such merger, the "First Effective Time"), with Matterport surviving the First Merger as a wholly-owned subsidiary of CoStar Group (the "Surviving Corporation") and
  (ii) immediately following the First Merger and as part of a single integrated transaction, the Surviving Corporation agreed to merge with and into Merger Sub II (the "Second Merger" and, together with the First Merger, the
  "Mergers"), with Merger Sub II surviving the Second Merger as a wholly-owned subsidiary of CoStar Group (the "Transaction"). CoStar Group also agreed to convert, in connection with the transaction: (i) certain restricted
  stock units granted under the Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan and the Matterport, Inc. 2021 Incentive Award Plan (each, a "Company Equity Plan") into restricted stock units covering shares of CoStar Group
  common stock (after such conversion, the "Rollover RSUs") and (ii) certain options to purchase shares of Matterport common stock granted under a Company Equity Plan into options to purchase shares of CoStar Group common stock (after
  such conversion, the "Rollover Options"). Each Rollover RSU and Rollover Option shall generally be subject to the same terms and conditions as was applied to the corresponding Matterport award as of immediately prior to the First Effective
  Time, except for such terms rendered inoperative by reason of the First Merger, subject to such adjustments as reasonably determined by CoStar Group to be necessary or appropriate to give effect to the conversion or the First Merger. On
  February 28, 2025, the transactions contemplated by the Merger Agreement were consummated.
  This Registration Statement on Form
  S-8
  registers an aggregate of 5,756,530 shares of common stock of CoStar Group, including (i) 1,799,240 shares of common stock of CoStar Group that may be issued pursuant to the Rollover Options and an
  additional (ii) 2,256,544 shares of common stock of CoStar Group that may be issued pursuant to the Rollover RSUs.
  PART I
  INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
  Item 1. Plan Information.
  *
  Item 2. Registrant
  Information and Employee Plan Annual Information.*
  *
  The documents containing the information specified in this Part I of
  Form S-8 (plan
  information and registration information and employee plan annual information) will be sent or given to employees as specified by the Securities and Exchange Commission (the
  "Commission") pursuant to Rule 428(b)(1) of the Securities Act of 1933, as amended (the "Securities Act"). Such documents are not required to be and are not filed with the Commission either as part of this registration statement
  (this "Registration Statement") or as prospectuses or prospectus supplements pursuant to Rule 424. These documents and the documents incorporated by reference in this Registration Statement pursuant to Item 3 of Part II hereof, taken
  together, constitute a prospectus that meets the requirements of Section 10(a) of the Securities Act. CoStar Group will provide a written statement to participants advising them of the availability without charge, upon written or oral request,
  of the documents incorporated by reference in Item 3 of Part II hereof and including the statement in the preceding sentence. The written statement to all participants will indicate the availability without charge, upon written or oral request, of
  other documents required to be delivered pursuant to Rule 428(b), and will include the address and telephone number to which the request is to be directed.
  PART II
  INFORMATION
  REQUIRED IN THE REGISTRATION STATEMENT
  References in this Registration Statement to "we," "us,"
  "our," and the "registrant," or similar references, refer to CoStar Group, unless otherwise stated or the context otherwise requires.
  Item 3. Incorporation of Documents by Reference.
  The following documents, which have been filed by CoStar Group with the Commission pursuant to the Securities Exchange Act of 1934, as amended
  (the "Exchange Act"), are incorporated by reference in, and shall be deemed to be a part of, this Registration Statement:
  (a)
  CoStar Group's Annual Report on
  Form
  10-K
  for the fiscal year ended December 31, 2024, filed with the Commission on February 20, 2025 (File
  No. 000-24531)
  (the "Annual
  Report"); and
  (b)
  the description of CoStar Group's common stock contained in its Form
  8-A
  filed with the Commission on June 25, 1998, as updated by the Exhibit 4.2 to the Annual Report, as well as any additional amendments or reports filed for the purpose of updating such description.
  All reports and other documents filed by CoStar Group with the Commission pursuant to Sections 13(a), 13(c), 14 and
  15(d) of the Exchange Act after the date hereof and prior to the filing of a post-effective amendment which indicates that all securities offered pursuant to this Registration Statement have been sold or which deregisters all securities then
  remaining unsold, shall be deemed to be incorporated by reference herein and to be a part hereof from the date of filing of such documents or reports.
  For purposes of this Registration Statement, any document or any statement contained in a document incorporated or deemed to be incorporated
  herein by reference shall be deemed to be modified or superseded to the extent that a subsequently filed document or a statement contained therein, or in any other subsequently filed document which also is or is deemed to be incorporated by
  reference, modifies or supersedes such document or such statement in such document. Any statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this Registration Statement.
  Under no circumstances shall any information furnished under Item 2.02 or 7.01 of Form
  8-K
  be deemed
  incorporated herein by reference unless such Form
  8-K
  expressly provides to the contrary.
  Item 4.
  Description of Securities.
  Not applicable.
  Item 5. Interests of Named Experts and Counsel.
  Not applicable.
  Item 6.
  Indemnification of Directors and Officers.
  Section 102 of the DGCL permits a corporation to eliminate the personal liability of
  directors of a corporation to the corporation or its stockholders for monetary damages for a breach of fiduciary duty as a director, except where the director breached his duty of loyalty, failed to act in good faith, engaged in intentional
  misconduct or knowingly violated a law, authorized the payment of a dividend or approved a stock repurchase in violation of Delaware corporate law or obtained an improper personal benefit. The Fourth Amended and Restated Certificate of Incorporation
  of CoStar Group (the "CoStar Group Certificate of Incorporation") provides that no director of CoStar Group shall be personally liable to it or its stockholders for monetary damages for any breach of fiduciary duty as a director,
  notwithstanding any provision of law imposing such liability, provided, however, that the CoStar Group Certificate of Incorporation will not eliminate or limit the liability of a director (i) for any breach of the director's duty of
  loyalty to CoStar Group or its stockholders, (ii) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (iii) under Section 174 of the DGCL or (iv) for any transaction from
  which the director derived an improper personal benefit.
  Section 145 of the DGCL provides that a corporation has the power to
  indemnify a director, officer, employee, or agent of the corporation, or a person serving at the request of the corporation for another corporation, partnership, joint venture, trust or other enterprise in related capacities against expenses
  (including attorneys' fees), judgments, fines and amounts paid in settlement actually and reasonably incurred by the person in connection with an action, suit or proceeding to which he was or is a party or is threatened to be made a party to
  any threatened, ending or completed action, suit or proceeding by reason of such position, if such person acted in good faith and in a manner
  he reasonably believed to be in or not opposed to the best interests of the corporation, and, in any
  criminal action or proceeding, had no reasonable cause to believe his conduct was unlawful, except that, in the case of actions brought by or in the right of the corporation, no indemnification shall be made with respect to any claim, issue or
  matter as to which such person shall have been adjudged to be liable to the corporation unless and only to the extent that the Court of Chancery or other adjudicating court determines that, despite the adjudication of liability but in view of all of
  the circumstances of the case, such person is fairly and reasonably entitled to indemnity for such expenses which the Court of Chancery or such other court shall deem proper.
  The CoStar Group Certificate of Incorporation obligates CoStar Group, to the fullest extent permitted by Section 145 of the DGCL, to
  indemnify each director and officer of CoStar Group from and against any and all of the expenses, liabilities or other matters referred to in or covered by Section 145 of the DGCL and the indemnification provided for in the CoStar Group
  Certificate of Incorporation will not be deemed exclusive of any other rights to which those indemnified may be entitled under the Fourth Amended and Restated Bylaws of CoStar Group (the "CoStar Group
  By-laws"),
  agreement, vote of stockholders, vote of disinterested directors or otherwise, and will continue as to a person who has ceased to be a director or officer and will inure to the benefit of the
  heirs, executors and administrators of such persons and CoStar Group may purchase and maintain insurance on behalf of any director or officer to the extent permitted by Section 145 of the DGCL.
  The CoStar Group
  By-laws
  obligate CoStar Group, to the fullest extent required or permitted by
  applicable law, to indemnify any person who was or is a party or is threatened to be made a party to any threatened, pending or completed action, suit, arbitration, alternative dispute mechanism, hearing or proceeding (collectively, a
  "Proceeding"), whether civil, criminal, administrative or investigative, by reason of the fact that such person is or was or has agreed to become a director or officer of CoStar Group, or, while a director or officer of CoStar Group, is or
  was serving or has agreed to serve at the request of CoStar Group as a director, officer, employee, agent or trustee of another corporation, partnership, joint venture, trust or other enterprise (including service with respect to an employee benefit
  plan), or by reason of any action alleged to have been taken or omitted in such capacity.
  The CoStar Group
  By-laws
  also permit CoStar Group to indemnify any person who was or is a party or is threatened to be made a party to a Proceeding by reason of the fact that such person is or was or has agreed to become an
  employee or agent of CoStar Group, or is or was serving or has agreed to serve at the request of CoStar Group as a director, officer, employee, agent or trustee of another corporation, partnership, joint venture, trust or other enterprise (including
  service with respect to an employee benefit plan), against all expenses (including attorneys' fees), liabilities, losses, judgments, fines, penalties and amounts paid in settlement actually and reasonably incurred by such person or on his or
  her behalf in connection with such action, suit or Proceeding and any appeal therefrom, if such person acted in good faith and in a manner he or she reasonably believed to be in or not opposed to the best interests of CoStar Group, and, with respect
  to any criminal action or Proceeding, had no reasonable cause to believe his or her conduct was unlawful; except that in the case of an action or suit by or in the right of CoStar Group to procure a judgment in its favor (1) such
  indemnification shall be limited to expenses (including attorneys' fees) actually and reasonably incurred by such person in the defense or settlement of such Proceeding, and (2) no indemnification shall be made in respect of any claim,
  issue or matter as to which such person shall have been adjudged to be liable to CoStar Group unless and only to the extent that the Delaware Court of Chancery or the court in which such action or suit was brought shall determine upon application
  that, despite the adjudication of liability but in view of all the circumstances of the case, such person is fairly and reasonably entitled to indemnity for such expenses which the Delaware Court of Chancery or such other court shall deem proper.
  The CoStar Group
  By-laws
  also obligate CoStar Group to indemnify a CoStar Group director or
  officer in connection with any Proceeding (or part thereof) initiated by such person except with respect to a proceeding to enforce rights to indemnification or advance payment of expenses, provided such proceeding (or part thereof) must be
  authorized by the board of directors of CoStar Group (the "CoStar Group Board").
  To the extent that a director or officer of
  CoStar Group has been successful on the merits or otherwise in defense of any Proceeding or in defense of any claim, issue or matter therein, or in any Proceeding brought by a director or officer to enforce rights to indemnification or advance
  payment of expenses, such person shall be indemnified against expenses (including attorneys' fees) actually and reasonably incurred by him or her in connection therewith.
  Any indemnification of a director or officer of CoStar Group (unless ordered by a court or
  required under the CoStar Group
  By-laws)
  shall be made by CoStar Group unless a determination is made that indemnification of the director or officer is not proper in the circumstances because he or she has
  not met the applicable standard of conduct set forth in the CoStar Group
  By-laws.
  Any such determination shall be made (1) by the CoStar Group Board by a majority vote of a quorum consisting of directors
  who were not parties to such Proceeding, or (2) by a committee of such directors designated by majority vote of such directors, even though less than a quorum, or (3) if such a quorum is not obtainable, or, even if obtainable a quorum of
  disinterested directors so directs, by independent legal counsel in a written opinion, or (4) by the vote of a majority of the stockholders present or voting by proxy at an annual or special meeting of stockholders of CoStar Group.
  Unless the CoStar Group Board otherwise determines in a specific case, expenses incurred by a director or officer in advance of the final
  disposition of any Proceeding shall be paid by CoStar Group upon request. CoStar Group's form indemnification agreement provides that the signatories thereto undertake to reimburse such amount if it shall ultimately be determined (after all
  appeals by a court of competent jurisdiction) that he or she is not entitled to be indemnified by CoStar Group. Such expenses incurred by other employees and agents may be so paid upon such terms and conditions, if any, as the CoStar Group Board
  deems appropriate. The CoStar Group Board may authorize CoStar Group's legal counsel to represent such director, officer, employee or agent in any Proceeding, whether or not CoStar Group is a party to such Proceeding.
  CoStar Group has entered into indemnification agreements with certain of its directors and officers, which are intended to provide
  indemnification to the fullest extent permitted by the DGCL.
  Item 7. Exemption from Registration Claimed.
  Not applicable.
  Item 8. Exhibits.
  The following documents are filed as exhibits to this Registration Statement:
  (a)   Exhibits.
  Incorporated by
  Reference
  Exhibit
  Description
  Form
  Exhibit
  Filing Date
  3.1
  Fourth Amended and Restated Certificate of Incorporation of CoStar Group, Inc.
  8-K
  3.1
  June 7, 2021
  3.2
  Fourth Amended and Restated
  By-Laws
  of CoStar Group, Inc.
  8-K
  3.1
  May 9, 2022
  5.1*
  Opinion of Latham & Watkins LLP.
  *
  23.1*
  Consent of Ernst & Young, LLP, Independent Registered Public Accounting Firm.
  *
  23.2*
  Consent of Latham & Watkins LLP (included in Exhibit 5.1).
  *
  24.1*
  Power of Attorney (included on signature page of the Registration Statement).
  *
  #99.1*
  Matterport, Inc. 2021 Incentive Award Plan.
  *
  #99.2*
  Form of Option Agreement under the Matterport, Inc. 2021 Incentive Award Plan.
  *
  #99.3*
  Form of Restricted Stock Unit Agreement under the Matterport, Inc. 2021 Incentive Award Plan.
  *
  #99.4*
  Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan.
  *
  #99.5*
  Form of Option Agreement under the Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan.
  *
  #99.6*
  Form of Restricted Stock Unit Agreement under the Matterport, Inc. Amended and Restated 2011 Stock Incentive Plan.
  *
  107*
  Filing Fee Table.
  *
  *
  Filed herewith.
  #
  Indicates a management contract or compensatory plan or arrangement.
  Item 9. Undertakings.
  (a) The undersigned registrant hereby undertakes:
  (1)
  To file, during any period in which offers or sales are being made, a post-effective amendment to this
  Registration Statement:
  (i)
  To include any prospectus required by Section 10(a)(3) of the Securities Act of 1933, as amended (the
  "Securities Act");
  (ii)
  To reflect in the prospectus any facts or events arising after the effective date of the Registration Statement
  (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the Registration Statement. Notwithstanding the foregoing, any increase or decrease in
  volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus
  filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than 20 percent change in the maximum aggregate offering price set forth in the "Calculation of Filing Fee
  Tables" or "Calculation of Registration Fee" table in the effective Registration Statement;
  (iii)
  To include any material information with respect to the plan of distribution not previously disclosed in the
  Registration Statement or any material change to such information in the Registration Statement;
  provided,
  however
  , that paragraphs (a)(1)(i) and (a)(1)(ii) of this section do not apply if the registration statement is on Form
  S-8,
  and the information required to be included in a post-effective amendment by
  those paragraphs is contained in reports filed with or furnished to the Commission by the registrant pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in the Registration Statement.
  (2)
  That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment
  shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial
  bona fide
  offering thereof.
  (3)
  To remove from registration by means of a post-effective amendment any of the securities being registered which
  remain unsold at the termination of the offering.
  (b) The undersigned registrant hereby undertakes that, for purposes
  of determining any liability under the Securities Act, each filing of the registrant's annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan's
  annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in the Registration Statement shall be deemed to be a new registration statement relating to the securities offered herein, and the offering of such
  securities at that time shall be deemed to be the initial
  bona fide
  offering thereof.
  (h) Insofar as indemnification for liabilities arising under the Securities Act may be
  permitted to directors, officers and controlling persons of the registrant pursuant to the foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the Commission such indemnification is against public policy as
  expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the registrant of expenses incurred or paid by a director, officer or controlling
  person of the registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the registrant will, unless in the opinion of its
  counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final
  adjudication of such issue.
  SIGNATURES
  Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it has reasonable grounds to believe that it meets
  all of the requirements for filing on Form
  S-8
  and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized in Arlington, Virginia on the 28th day of
  February, 2025.
  COSTAR GROUP, INC.
  By:
  /s/ Gene Boxer
  Name: Gene Boxer
  Title: General Counsel & Corporate Secretary
  Each person whose signature appears below hereby constitutes and appoints Gene Boxer and each of them
  singly, his or her true and lawful
  attorneys-in-fact
  and agents, with full power of substitution and resubstitution, for him or her and in his or her name, place and
  stead, in any and all capacities, to sign any and all amendments (including post-effective amendments) to this Registration Statement and any and all additional registration statements pursuant to Rule 462(b) of the Securities Act of 1933, as
  amended, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the U.S. Securities and Exchange Commission, granting unto each said
  attorney-in-fact
  and agents full power and authority to do and perform each and every act in person, hereby ratifying and confirming all that said
  attorneys-in-fact
  and agents or either of them or their or his or her substitute or substitutes may lawfully do or cause to be done by virtue hereof.
  Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the
  capacities and as of the dates indicated.
  Signature
  Title
  Date
  /s/ Michael R. Klein
  Chairman
  February 28, 2025
  Michael R. Klein
  /s/ Andrew C. Florance
  Chief Executive Officer and Director
  February 28, 2025
  Andrew C. Florance
  (Principal Executive Officer)
  /s/ Christian Lown
  Chief Financial Officer
  February 28, 2025
  Christian Lown
  (Principal Financial Officer)
  /s/ Angelique G. Brunner
  Director
  February 28, 2025
  Angelique G. Brunner
  /s/ John W. Hill
  Director
  February 28, 2025
  John W. Hill
  /s/ Laura Cox Kaplan
  Director
  February 28, 2025
  Laura Cox Kaplan
  /s/ Robert W. Musslewhite
  Director
  February 28, 2025
  Robert W. Musslewhite
  /s/ Christopher J. Nassetta
  Director
  February 28, 2025
  Christopher J. Nassetta
  /s/ Louise S. Sams
  Director
  February 28, 2025
  Louise S. Sams