Bentley, Infotech, and AASHTO Unite to Support Digital Delivery Initiatives for Departments of Transportation To Eliminate Disjointed Manual Processes by Automating Digital Workflows between Design and Construction Press Release October 3, 2023 Bentley Systems, Incorporated (Nasdaq: BSY), the infrastructure engineering software company, Infotech®, a leader in infrastructure construction software solutions, and the American Association of State Highway and Transportation Officials (AASHTO), a nonprofit, nonpartisan association representing transportation departments in 50 states, the District of Columbia, and Puerto Rico, today announced an initiative to support digital delivery for departments of transportation. Their work together will provide increased value and tools to modernize project delivery processes for better project outcomes, including streamlined design to construction processes, better quality of data, and improved communication of design intent. To validate the approach, parties are working together with MnDOT, the lead state DOT on this effort, on a digital delivery proof of concept that should improve the digital collaboration across design and construction. By integrating and extending design and construction contract systems of record, Bentley, Infotech, and AASHTO will advance industry best practices for data federation, with data captured once and then seamlessly accessible across project delivery workflows. Bentley applications will be enabled to optimize

Bentley Systems Announces Operating Results for the Second Quarter of 2023 Press Release August 8, 2023 EXTON, Pa. – Bentley Systems, Incorporated (Nasdaq: BSY), the infrastructure engineering software company, today announced operating results for its second quarter and six months ended June 30, 2023. Second Quarter 2023 Operating Results Total revenues were $296.7 million, up 10.6% or 10.1% on a constant currency basis, year-over-year; Subscriptions revenues were $259.2 million, up 11.7% or 10.9% on a constant currency basis, year-overyear; Annualized Recurring Revenues (“ARR”) was $1,105.9 million as of June 30, 2023, compared to $971.9 million as of June 30, 2022, representing a constant currency ARR growth rate of 13%; Last twelve-month recurring revenues dollar-based net retention rate was 110%, compared to 109% for the same period last year; Operating income margin was 18.0%, compared to 20.8% for the same period last year; Adjusted operating income inclusive of stock-based compensation expense (“Adjusted OI w/SBC”) margin was 24.7%, compared to 24.0% for the same period last year; Net income per diluted share was $0.15, compared to $0.17 for the same period last year; Adjusted net income per diluted share (“Adjusted EPS”) was $0.24, compared to $0.23 for the same period last year;

Meet the mines of the future: advanced robotics, autonomous vehicles, and AI-driven digital twins Industry leaders explore the role of technology in optimising mine performance and safety to accelerate the drive to net zero in a new Seequent insights paper News Alert July 28, 2023 CHRISTCHURCH, NEW ZEALAND – Seequent, The Bentley Subsurface Company, today announced the launch of its new insights paper Beyond the Hype: how technology can drive mining operations’ performance. The paper gives insights into how emerging technologies can be implemented across the mining sector, the challenges faced, and the benefits they deliver. Beyond the Hype features contributions by thought leaders from AngloGold Ashanti, Hecla Mining, IntelliSense.io, RockMass Technologies, and Seequent. It reflects key discussion points made at an industry forum hosted by Seequent and moderated by Emily King, founder and CEO of Prospector. The paper is introduced by Seequent’s Pieter Neethling, Segment Director, Mining Operations. Key points raised in the insights paper include: Accurate data is at the heart of modern mining. The application of geological data remains fundamental to making crucial decisions. Mining companies need to take advantage of better modelling and a new hybrid of artificial intelligence and digital twins to shift towards agile

Bentley Systems, Incorporated Declares Third Quarter 2023 Dividend Press Announcement July 27, 2023 EXTON, Pa. – Bentley Systems, Incorporated (Nasdaq: BSY), the infrastructure engineering software company, today announced that its Board of Directors declared a $0.05 per share dividend for the third quarter of 2023. The cash dividend is payable on August 24, 2023 to all stockholders of record of Class A and Class B common stock as of the close of business on August 15, 2023. About Bentley Systems Bentley Systems (Nasdaq: BSY) is the infrastructure engineering software company. We provide innovative software to advance the world’s infrastructure – sustaining both the global economy and environment. Our industry-leading software solutions are used by professionals, and organizations of every size, for the design, construction, and operations of roads and bridges, rail and transit, water and wastewater, public works and utilities, buildings and campuses, mining, and industrial facilities. Our offerings, powered by the iTwin Platform for infrastructure digital twins, include MicroStation and Bentley Open applications for modeling and simulation, Seequent’s software for geoprofessionals, and Bentley Infrastructure Cloud encompassing ProjectWise for project delivery, SYNCHRO for construction management, and AssetWise for asset operations. Bentley Systems’ 5,000 colleagues generate annual revenues of more than $1 billion

– Seequent, The Bentley Subsurface Company,
today announced the findings of its latest Geoprofessionals Data Management Report, which looks
at the trends, challenges, and opportunities in geoscience data.

Bentley Systems to Announce Second Quarter 2023 Operating Results Press Release July 12, 2023 EXTON, Pa. – Bentley Systems, Incorporated (Nasdaq: BSY), the infrastructure engineering software company, announced today the date for the release of its second quarter 2023 operating results. Second Quarter 2023 Operating Results Bentley Systems will release second quarter 2023 operating results, before the market opens, on Tuesday, August 8, 2023. A live Zoom video webinar of the event can be accessed at 8:15 a.m. EDT that same day through a direct registration link. About Bentley Systems Bentley Systems (Nasdaq: BSY) is the infrastructure engineering software company. We provide innovative software to advance the world’s infrastructure – sustaining both the global economy and environment. Our industry-leading software solutions are used by professionals, and organizations of every size, for the design, construction, and operations of roads and bridges, rail and transit, water and wastewater, public works and utilities, buildings and campuses, mining, and industrial facilities. Our offerings, powered by the iTwin Platform for infrastructure digital twins, include MicroStation and Bentley Open applications for modeling and simulation, Seequent’s software for geoprofessionals, and Bentley Infrastructure Cloud encompassing ProjectWise for project delivery, SYNCHRO for construction management, and AssetWise for asset operations.

Bentley Systems Sponsors Student Bridge Contest at AASHTO Spring Meeting Middle and High School Students Use Bentley Software to Design Bridge Projects and Present to AASHTO Meeting Audience in Person for First Time in Three Years News Alert 906 Bridge Co. from Michigan accepting the first place prize check for 11th and 12th grades. Image courtesy of Bentley Systems. June 21, 2023 EXTON, Pa. – Bentley Systems, Incorporated(Nasdaq: BSY), the infrastructure engineering software company, was a title sponsor of the American Association of State Highway Transportation Officials (AASHTO) STEM Solutions Bridge Challenge Finals in Seattle, Washington, on May 16. Formerly known as the AASHTO TRAC Contest, the AASHTO Bridge Challenge is a national competition designed to promote an interest in science, technology, engineering, and math (STEM) through hands-on, real-world applications. It also provides a unique opportunity for students to gain confidence in their speaking skills in front of a large audience, which included departments of transportation, engineering consulting firms, AASHTO government officials, parents, teachers, and students. Also sponsoring the event were Michael Baker International, TopoDOT, HDR, HNTB, Headlight, and Houseman & Associates. For the first time in three years since the pandemic, students from around the United States were able

Bentley Systems Announces Upcoming Conference Participation Press Release June 1, 2023 EXTON, Pa. – Bentley Systems, Incorporated (Nasdaq: BSY), the infrastructure engineering software company, today announced that members of its management team will participate at the following investor conferences: Greg Bentley, Bentley Systems’ chief executive officer, will present at the Baird Global Consumer, Technology & Services Conference in New York, U.S.A. on Tuesday, June 6, 2023 from 2:00 p.m. to 2:30 p.m. (EDT). Greg Bentley, Bentley Systems’ chief executive officer, will present at the Nasdaq Investor Conference in Partnership with Jefferies in London, U.K. on Wednesday, June 14, 2023 at 9:30 a.m. to 10:00 a.m. (BST). Webcasts of the events will be available through Bentley Systems’ Investor Relations website at https://investors.bentley.com. About Bentley Systems Bentley Systems (Nasdaq: BSY) is the infrastructure engineering software company. We provide innovative software to advance the world’s infrastructure – sustaining both the global economy and environment. Our industry-leading software solutions are used by professionals, and organizations of every size, for the design, construction, and operations of roads and bridges, rail and transit, water and wastewater, public works and utilities, buildings and campuses, mining, and industrial facilities. Our offerings, powered by the iTwin Platform for infrastructure