Approval Allows Users Who Design European Pressure Equipment Directive Certified Projects to Benefit From Latest Bentley AutoPIPE Enhancements

EXTON, Pa. – May 14, 2008 – The Swedish inspection authority AF-Kontroll has approved the latest versions of Bentley AutoPIPE – the leading software for calculating piping code stresses, loads, and deflections under static and dynamic loading conditions – in accordance with European EN 13480. The approval enables users who design European Pressure Equipment Directive (PED) certified projects to benefit from the latest Bentley AutoPIPE product enhancements. Other approvals and compliances Bentley AutoPIPE has received include ISO 9001; Nuclear NQA-1; 10CFR21; ASME N45.2; GOST approval for oil, gas and power projects in Russia; and Stoomwezen certification by Lloyd’s Register Nederland B.V.

Bentley AutoPIPE is a comprehensive and integrated piping analysis and design solution that provides improved productivity and increased interoperability with other computer-aided design (CAD) and analysis software, including STAAD.Pro. It analyzes systems of any complexity and provides special features for buried pipeline analysis, wave loading, water or steam hammer, FRP/GRP pipe, and built-in pipe/structure interaction.

To learn more about Bentley AutoPIPE, visit www.Bentley.com/AutoPIPE, email Email Contact, or call 1-800-BENTLEY or 610-458-5000.

About Bentley’s CAE Product Family

Bentley’s computer-aided engineering (CAE) product family, including Bentley AutoPIPE, Bentley PlantFLOW, Bentley PULS, and Bentley WinNOZL, is now part of Bentley’s structural and piping solutions. These solutions include RAM International software and the STAAD.Pro product lines for engineering analysis and design for plant, building, and civil applications. For more information on Bentley’s RAM and STAAD product lines, please visit www.bentley.com/structural.

About AF-Kontroll

The AF Group has 2,500 employees and approximately 150 work for AF-Kontroll. AF-Kontroll provides notified and accredited body services for the certification of the projects to meet the requirements of the European Pressure Equipment Directive (PED 23/97/EC).

About Bentley

Bentley Systems, Incorporated provides software for the lifecycle of the world’s infrastructure. The company’s comprehensive portfolio for the building, plant, civil, and geospatial verticals spans architecture, engineering, construction (AEC) and operations. With revenues now surpassing $400 million annually, and more than 2,400 colleagues globally, Bentley is the leading provider of AEC software to the Engineering News-Record Top Design Firms and major owner-operators and was named the world’s No. 2 provider of GIS/geospatial software solutions in a Daratech research study. For more information, visit www.bentley.com.

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Bentley, the “B” Bentley logo, AutoPIPE, STAAD.Pro, PlantFLOW, and RAM are either registered or unregistered trademarks or service marks of Bentley Systems, Incorporated or one of its direct or indirect wholly owned subsidiaries. All other brands and product names are trademarks of their respective owners.