CONFIDENTIAL The Infrastructure Engineering Software Company Introducing Bentley Systems Introducing "BSY": Greg Bentley, CEO, and David Hollister, CFO Fall 2020 BSY: The Infrastructure Engineering Software Company Dependable Growth (through Q2 2020 to Date) $768M Revenues (20H1 LTM) 87% Recurring Revenues1 Founder-Led for 36 Years ~30% Adjusted EBITDA Margin 53% of Revenues from accounts > $250K/yr2 Global Maturity Comprehensive Portfolio 1 See Appendix, Footnote 1. 2 Figure as of December 31, 2019 Note: A ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ___________________________________ FORM 10-Q ___________________________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-39548 ___________________________________ BENTLEY S ...