The reports CoStar Group files with or furnishes to the Securities and Exchange Commission, including its annual report, quarterly reports and current reports, as well as amendments to those reports, are available free of charge on CoStar Group’s Internet website as soon as reasonably practicable after CoStar Group electronically files such material with, or furnishes it to, the Securities and Exchange Commission. You may review and copy any of the information CoStar Group files with the Securities and Exchange Commission at the Commission's Public Reference Room at 100 F Street, NE, Washington, DC 20549. You may obtain information regarding the operation of the Public Reference Room by calling the Securities and Exchange Commission at 1-800-SEC-0330. The Securities and Exchange Commission maintains an Internet site that contains reports, proxy and information statements, and other information regarding issuers that file electronically with the Commission at http://www.sec.gov.