AMERICAS STYRENICS LLC TO EXTEND ITS SUPPLY CHAIN VISIBILITY THROUGHOUT NORTH AND SOUTH AMERICAN OPERATIONS FOR IMMEDIATE RELEASE Contact Information: Jeff Burns WAM Systems 484-530-4391 jburns@wamsystems.com AMERICAS STYRENICS LLC TO EXTEND ITS SUPPLY CHAIN VISIBILITY THROUGHOUT NORTH AND SOUTH AMERICAN OPERATIONS Supply Chain Visibility Solution to Provide Improved Global Visibility and Optimized Production HOUSTON, TX — August 22, 2008 — WAM Systems, a leading provider of supply chain planning solutions to the process industry, today announced a project with Americas Styrenics LLC to implement WAM's Picaso solution throughout installations in the U.S. as well as Latin America. Americas Styrenics LLC, a joint venture equally owned by The Dow Chemical Company and Chevron Phillips Chemical Company LP, will use the common platform provided by Picaso to achieve global visibility to its supply chain operations. With the company’s new combined assets and product slate, Picaso will serve a critical role in helping to optimize the use of production facilities and improve the product mix. In addition, Americas Styrenics LLC plans to implement Picaso's Advanced Planning (AP) functionality to support more vital network wide Sales and Operations Planning (S&OP) process as well as longer range planning. The project, which started in July 2008, expands upon a long-time Picaso installation in the company's Marietta, Ohio facility to encompass a comprehensive network of production facilities throughout the region, including all of Dow's legacy plants. "We look forward to extending the functionality that we're using in Marietta to our new production network. With the single-source solution provided by Picaso, we will obtain critical visibility of our new operations enabling us to utilize the combined production assets to maximum potential", said Randy Pogue, Vice President of Supply Chain, Purchasing and Information Technology for Americas Styrenics LLC. About Americas Styrenics LLC Americas Styrenics LLC is a leading integrated producer of polystyrene and styrene monomer, offering solutions and services to customers in a variety of markets throughout the Americas. It is a joint venture equally owned by The Dow Chemical Company and Chevron Phillips Chemical Company LP. The new company is headquartered in The Woodlands, Texas. Americas Styrenics LLC will build on manufacturing, commercial and technological expertise of its parent companies to be the market leader in the Americas. Americas Styrenics LLC produces and sells styrene monomer, along with a variety of general purpose, high impact and high-performance polystyrene resins to meet the needs of a diverse market. For more information, visit www.amstyrenics.com. About WAM Systems WAM Systems, Inc. delivers advanced supply chain planning solutions designed for the process industry. WAM’s Picaso™ solution is used throughout the global process industry, providing a broad set of visualization, decision support, and optimization tools that address the unique challenges found in managing complex supply chains. Picaso solutions address a wide range of business processes including collaborative demand management, inventory and distribution optimization, production planning and scheduling, and procurement planning. The company and its worldwide partners also provide a full range of consulting, support, training and implementation services. WAM’s customers include Basell, Celanese, Chevron Phillips, DuPont, Degussa Engineered Carbons, Eastman, Equistar, Honam, Indian Oil, Lanxess, Lyondell, Petrobras and Solvay. Founded in 1987, WAM Systems is headquartered outside of Philadelphia, Pennsylvania. For more information on WAM and Picaso, visit www.wamsystems.com. # # # Picaso is a trademark of WAM Systems, Inc.