 EXTON, Pa.--BUSINESS WIRE--Bentley Systems, Incorporated Nasdaq: BSY Bentley Systems or the Company, the infrastructure engineering software company, today announced operating results for its fourth quarter and full year ended December 31, 2020, and 2021 financial outlook. Fourth Quarter 2020 Financial Results: Total revenues were 219.6 million, up 8.2 year-over-year; Subscriptions revenues were 178.3 million, up 9.4 year-over-year; Last twelve-month recurring revenues were 696.7 