Intergraph and Alcoa World Alumina Sign Global Purchase Agreement

Standardization on PDS Helps Complete Multiple Projects Worldwide

HUNTSVILLE, Ala., May 25, 2005 – Intergraph Corporation today announced that Alcoa, the world’s largest producer of alumina, has signed a global purchase agreement for the Intergraph Plant Design System (PDS®) and related software. Under terms of the five-year agreement, the Intergraph Process, Power & Marine division will supply PDS and other design software to Alcoa World Alumina for use by its engineering, construction and procurement contractors worldwide. The contract represents global standardization on PDS for all Alcoa’s alumina process plant major projects. Implementation of PDS as the Alcoa global standard is aimed at promoting greater business advantage through worldwide design re-use, increased project efficiency, advanced best practices and greater efficiency in utilizing engineering and construction contractors.

Alcoa is using or planning to use PDS to design alumina plant construction worldwide. Efforts include major projects in Australia, such as the Pinjarra Efficiency Upgrade now in the construction phase and the Wagerup Unit 3 Expansion, currently in feasibility phase. The facilities are part of Alcoa’s three-refinery operation in Western Australia, the world’s largest single source of smelter-grade alumina, supplying nearly 15 percent of the international market. Additional Alcoa projects using PDS include the Jamalco, Jamaica, and Sao Luis, Brazil, refineries expansion studies (engineering underway). Alumina (aluminum oxide) is refined from bauxite and is smelted to produce aluminum.

Paul Buch, manager – Engineering & Maintenance Systems, Western Australian Operations, Alcoa World Alumina, said, “ The purchase agreement with Intergraph is a natural extension of Alcoa’s existing PDS installed base along with the fact PDS is the global standard for plant design. Standardizing on PDS will allow Alcoa to re-use optimal designs in our projects around the world, capitalize on our extensive PDS knowledge and better control engineering IT costs. Deciding factors included Intergraph’s market and technology leadership as well as worldwide support at the local level.”

Kevin Stanley, senior vice president, Americas & Asia Pacific Business Unit, Intergraph Process, Power & Marine, said, “Alcoa drives much of the advanced mining and metals processing technology in Australia and around the world. The Alcoa purchase agreement is indicative of industry’s continuing commitment to PDS by major plant owners and engineering firms with large, long-term projects.”

About Intergraph PDS

The Intergraph Plant Design System ( is the world’s leading engineering design software for the process manufacturing, electrical power generation, offshore petroleum and ship outfitting industries. It is used worldwide on projects ranging from revamping smaller plants to designing multi-billion dollar offshore platforms. PDS enables concurrent multi-discipline engineering and worksharing, improved design coordination, fewer errors and increased productivity. Specification-driven design eliminates field rework and accurate material takeoffs cut procurement costs. Extensive reference data speeds creation of models and schematics. PDS comprises integrated 2D and 3D modules corresponding to engineering tasks in the design workflow. Modules include: Process Flow Diagram (PFD), Piping & Instrumentation Diagram (P&ID), Instrumentation, Piping, Pipe Support Modeler & Explorer, Equipment Modeling, Structural Modeling (FrameWorks® Plus), HVAC Modeling, Electrical Raceway and Interference Checking. PDS is extensively integrated with Intergraph software that supports engineering, design, operations and maintenance tasks throughout the plant and rig life cycle.

About Alcoa

Alcoa ( is the world’s leading producer of primary aluminum, fabricated aluminum and alumina. Alcoa serves the aerospace, automotive, packaging, building and construction, commercial transportation and industrial markets. The world’s leading producer of alumina, Alcoa has global refinery capacity of 14 million metric tons per year, nearly a third of the international market. The company is headquartered in Pittsburgh, Penn., USA and employs 131,000 people in 350 locations throughout 43 countries. Revenues in 2004 were $23.5 billion (U. S.).


Intergraph Process, Power & Marine: Delivering the SmartPlant Enterprise

Process, Power & Marine (, a division of Intergraph Corporation, helps worldwide clients bring together the people, work processes and advanced software technology to create the SmartPlant Enterprise. The intelligent software and integration of the SmartPlant Enterprise promote profitability, improve operational excellence and manage assets. Innovative SmartPlant technology supports concurrent engineering design, construction and operation for the process manufacturing, power generation, marine oil and gas and commercial shipbuilding markets.

© 2005 Intergraph Corporation. Intergraph, PDS, FramWorks and SmartPlant are registered trademarks of Intergraph Corporation. Software and services prices, availability, functions, features and specifications subject to change without notice and are subject to United States export control laws and regulations. This news release contains forward-looking statements regarding future events subject to certain risks and uncertainties of Intergraph Corporation which are discussed in the company’s Form 10K filed with the SEC. Copies available upon request to Shareholder Relations, Intergraph Corporation, Huntsville, Ala. 35894 USA.


Tom Greer


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