SIMILARWEB LTD.

The legal and commercial name of our company is Similarweb Ltd. We were incorporated in February 2009 under the Israel Companies Law, 5759-1999, or the Companies Law, of the State of Israel and commenced operations on that date. Our principal executive offices are located at 33 Yitzhak Rabin Rd., Givatayim 5348303, Israel. Our agent for service of process in the United States is Similarweb, Inc., 6 East 32nd Street, 8th Floor, New York, NY 10016. Our website address is www.similarweb.com, and our telephone number is +972-3-544-7782. Information contained on, or that can be accessed through, our website does not constitute a part of this Annual Report and is not incorporated by reference herein. We have included our website address in this Annual Report solely for informational purposes. The SEC maintains an Internet site that contains reports, proxy and information statements, and other information regarding issuers, such as we, that file electronically, with the SEC at www.sec.gov. For a description of our principal capital expenditures and divestitures for the three years ended December 31, 2025 and for those currently in progress, see Item 5. Operating and Financial Review and Prospects . B.