Victaulic Piping Catalogs and Specifications Now Available in AVEVA’s PDMS

Houston, TX –Jun 21, 2005 - AVEVA (LSE: AVV), a leading provider of plant design and engineering lifecycle solutions, and Victaulic, the world’s leading producer of mechanical pipe joining systems, have announced the immediate availability of the complete Victaulic piping catalog and specifications in AVEVA’s 3D PDMS® (Plant Design Management System) format.

The catalogs were created to satisfy customer demands for modeling the various Victaulic products within PDMS. Victaulic/AVEVA customers have already used the various catalogs on numerous projects in the Automotive, Biotech, Chemical, Food and Beverage, Oilfield, Offshore, Pharmaceutical, Power, and Pulp & Paper markets. The inclusion of the catalogs in PDMS eliminates the need for engineers to create and maintain their own Victaulic catalogs - saving them both time and money.

Version 3.0 of the Victaulic Vic/PDMS Piping Catalogs for PDMS contains separate catalogs for a variety of Victaulic product lines. These include the Victaulic Aluminum IPS Grooved, Carbon Steel IPS Grooved, Carbon Steel Pressfit, Copper CTS Grooved, HDPE, Plain End IPS, Stainless Steel 304 Pressfit, Stainless Steel 316 Pressfit, and the Stainless Steel IPS Grooved products. It also includes the new Victaulic large diameter Advanced Grooved System (AGS).

The catalogs are available free of charge to all Victaulic and AVEVA customers. To request a copy of the current version, visit the Victaulic website www.victaulic.com/software and compete the online order form.

About Victaulic

Celebrating 80 years of mechanical joining, Victaulic is the originator and world’s leading producer of mechanical pipe joining systems. Victaulic invented the grooved system for mechanically joining pipe in 1925 and continues to be a leader in piping product innovations and solutions for large scale projects around the world. Headquartered in Easton, PA, Victaulic has manufacturing and distribution facilities worldwide which include Victaulic Company of America, Victaulic Company of Canada, Victaulic Tool Company, Victaulic Asia-Pacific, Victaulic America Latina and Victaulic Europe and employs approximately 3,000 people. The company, in partnership with its subsidiaries, develops products for a full range of industrial, commercial and institutional piping systems.

About AVEVA Group plc

AVEVA Group plc is one of the world’s foremost and fastest-growing lifecycle engineering IT solutions and services providers to the oil and gas, paper and pulp, power, chemical, pharmaceutical and shipbuilding industries. Listed on the London Stock Exchange (LSE:AVV), the Group reported, for the year ended March 2005, a growth in turnover of 51% over 2004. The Group has grown consistently since 1967 on the strength of pioneering engineering technology that protects the information assets of its customers from the volatile nature of the IT industry.

The Group's history of innovation spans five decades and has produced most of today's major engineering IT technologies. Serving over 1100 clients, AVEVA has a dominant position in many market sectors both on and offshore. In May 2004, the Group acquired Tribon Solutions AB, the market-leading shipbuilding solution company and now serves 80% of the world's top 20 shipbuilders.

The Group's clients include leading plant owner operators and engineering contractors such as 3M, ALSTOM Power, AMEC, BASF, China Huanqiu Contracting & Engineering Corporation, Daewoo Heavy Industries, Daewoo Shipbuilding & Marine Engineering (DSME), Dalian New Shipbuilding, Du Pont, Electricité de France, Halliburton, Hanjin Heavy Industries, Hitachi, Hudong Zhonghua Shipyard, Hyundai Mipo Dockyard, Hyundai Samho Heavy Industries, Kawasaki Heavy Industries, Kawasaki Shipbuilding Corporation, Krupp Uhde, Kvaerner, Merck, Mitsubishi Heavy Industries, Mitsui Engineering & Shipbuilding, North-West Electric Power Design Institute, Petronas Carigali, Samsung Engineering, Shanghai Waigaoqiao Shipbuilding, Shell, Sinopec Engineering Incorporation and STX Shipbuilding.

Headquartered in Cambridge, England, AVEVA Group plc and its operating subsidiaries currently employ more than 500 staff worldwide with offices in England, Australia, China, France, Germany, Hong Kong, India, Italy, Japan, KSA, Malaysia, Norway, Russia, Singapore, Sweden, South Korea and the USA.

www.aveva.com

About VANTAGE

VANTAGE, the collective name for AVEVA’s plant lifecycle product suite, represents a solution for sustainable IT development. It addresses data management, project management, engineering design, visualisation, third party software integration and the business enterprise on a common foundation. The VANTAGE personality is a positive drive towards a future that harnesses the best of technology without losing sight of the fundamentals of good engineering. It is developed upon a proven technology foundation that has been deployed on major global projects over the last 25 years.