144 0001977108 XXXXXXXX LIVE 0001031308 BENTLEY SYSTEMS INC 001-39548 685 STOCKTON DRIVE EXTON PA 19341 6104585000 Keith A Bentley 2007 Gift Trust FBO David Bentley Director Common Class B Charles Schwab Corporation

3000 Schwab Way Westlake TX 76262

23000 1105150.00 291843811 05/27/2025 NASDAQ Common Class B 10/15/2015 Gift Keith A. Bentley Y 08/14/1987 23000 10/15/2015 Gift N 2012 Gift Trust FBO Robert J. Gilchrist

685 STOCKTON DRIVE EXTON PA 19341

Common Class B 02/28/2025 12156 530399.00 Sale to occur in KEITH A BENTLEY 2007 A/F DAVID A BENTLEY Securities Sold During the Past 3 Months attachment included - Total of 140,409 shares of BSY sold in aggregate. See attachment for breakdown 05/27/2025 KEITH A BENTLEY 2007 A/F DAVID A BENTLEY - Corinne Bentley TTEE