X0206 3 2020-09-23 0 0001031308 BENTLEY SYSTEMS INC BSY 0001214661 BENTLEY GREGORY S C/O BENTLEY SYSTEMS, INCORPORATED 685 STOCKTON DRIVE EXTON PA 19341 1 1 1 0 Chairman, CEO & President Class B Common Stock 9090974 D Class B Common Stock 92654 I By 401(k) Plan Class A Common Stock Class B Common Stock 1926509 D Includes 680 restricted shares of Class B Common Stock of the Issuer ("Class B Common Stock") and 3,673,917 shares of Class B Common Stock issuable under the Issuer's deferred compensation plan. Each share of Class A common stock of the Issuer ("Class A Common Stock") is entitled to 29 votes per share and is convertible at any time into one share of Class B Common Stock. Shares of Class A Common Stock will automatically convert into shares of Class B Common Stock upon certain transfers described in the Issuer's Amended and Restated Certificate of Incorporation. Exhibit List: Exhibit 24 - Power of Attorney. /s/ Michael T. Fischette, as Attorney-in-Fact 2020-09-23