Exhibit 99.1 SIMILARWEB ANNOUNCES RECORD FIRST QUARTER 2022 RESULTS First quarter 2022 revenue grew 51% year-over-year to $44.3 million NRR for $100K+ ARR customers increased to 127% Remaining performance obligations increased 68% year-over-year to $159.1 million TEL AVIV, ISRAEL -- May 10, 2022 -- Similarweb Ltd. (NYSE: SMWB) ("Similarweb" or the "Company"), a leading digital intelligence company, today announced financial results for its first quarter ended March 31, 2022. The Company published a letter t ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR State ofIsrael (Jurisdiction of incorporation or organization) 121 Menachem Begin Rd. Tel Aviv-Yafo 6701203, Israel (Address of principal executive offices) Or Offer ☐ TRANSIT ...

Similarweb Ltd. (NYSE:SMWB) Q4 2021 Earnings Conference Call February 16, 2022 8:30 AM ET Company Participants Annie Rosenberg - IR Or Offer - CEO Jason Schwartz - CFO Conference Call Participants Arjun Bhatia - William Blair Maya Kilcullen - JPMorgan Chase Jason Helfstein - Oppenheimer Pat Walravens - JMP Securities Ryan MacWilliams - Barclays Tyler Radke - Citi Disclaimer*: This transcript is designed to be used alongside the freely available audio recording on this page. Timestamps within the transcript ...

INVESTOR PRESENTATION February ù÷ùù Business Proprietary & Confidential | ø NOTES REGARDING THIS PRESENTATION Business Proprietary & Confidential | ù This presentation contains forward-looking statements within the meaning of the federal securities laws. Forward-looking statements include statements relating to the expected performance of our business, future financial results, strategy, the potential impacts of the COVID-øĀ pandemic and associated global economic uncertainty, long-term growth and overall f ...

© similarweb INVESTOR PRESENTATION November ù÷ùø ss similarweb Business Proprietary & Confidential | ø NOTES REGARDING THIS PRESENTATION Business Proprietary & Confidential | ù This presentation contains forward-looking statements within the meaning of the federal securities laws. Forward-looking statements include statements relating to the expected performance of our business, future financial results, strategy, the potential impacts of the COVID-øĀ pandemic and associated global economic uncertainty, lon ...

Similarweb Ltd. (NYSE:SMWB) Q3 2021 Earnings Conference Call November 10, 2021 8:30 AM ET Company Participants Annie Rosenberg - Investor Relations Or Offer - Chief Executive Officer Jason Schwartz - Chief Financial Officer Conference Call Participants Bhavan Suri - William Blair and Company Sterling Auty - JPMorgan Chase and Company Jason Helfstein - Oppenheimer and Company Tyler Radke - Citi Ryan MacWilliams - Barclays Joe Goodwin - JMP Securities Operator Good day, ladies and gentlemen, and welcome to th ...

s similarweb INVESTOR PRESENTATION August ù÷ùø ss similarweb Business Proprietary & Confidential | ø NOTES REGARDING THIS PRESENTATION Business Proprietary & Confidential | ù This presentation contains forward-looking statements within the meaning of the federal securities laws. Forward-looking statements include statements relating to the expected performance of our business, future financial results, strategy, the potential impacts of the COVID-øĀ pandemic and associated global economic uncertainty, long- ...

Similarweb Ltd. (NYSE:SMWB) Q2 2021 Earnings Conference Call August 11, 2021 8:30 AM ET Company Participants Annie Rosenberg - IR, The Blueshirt Group Or Offer - Co Founder & CEO Jason Schwartz - Chief Financial Officer Conference Call Participants Sterling Auty - JP Morgan Drew Foster - Citi Bhavan Suri - William Blair Patrick Josephs - Oppenheimer Pat Walravens - JMP Securities Disclaimer*: This transcript is designed to be used alongside the freely available audio recording on this page. Timestamps withi ...