ERGON TO DEPLOY FULL PICASO™ SUITE FOR IMMEDIATE RELEASE Contact Information: Jeff Burns WAM Systems 484-530-4391 jburns@wamsystems.com ERGON TO DEPLOY FULL PICASO™ SUITE Supply Chain Visibility Solution to Provide Improved Customer Service and Reduced Operating Costs JACKSON, MS — May 25, 2007 — Ergon, Inc., a diversified company headquartered in Jackson, MS, has launched a supply chain planning program that will implement business process and technology improvements across its refining and marketing, asphalts & emulsions, terminaling, and oil & gas segments. The initial business release focuses on the napthenic & paraffinic refining specialties business and will deploy improved demand planning, distribution planning, refinery scheduling, and procurement planning processes. Ergon has chosen WAM Systems' Picaso™ to support its initiative, and will implement the following modules: Supply Chain Event Monitor Demand Planning Distribution Planning Production Scheduling Procurement Planning Customer Service Workstation Inventory Targeting S&OP (Advanced Planning) The company expects to realize improvements in customer service, working capital, as well as lower variable production and distribution costs. "We look forward to the visibility and coordination capabilities that the Picaso system will bring," said Ron Washington, Chief Information Officer of Ergon. About Ergon, Inc. Founded in 1954, as a petroleum retailer with two employees, Ergon has evolved into a network of diverse companies employing over 2,500. Headquartered in Jackson, Mississippi, Ergon and its nationwide subsidiaries stand as industry leaders in refining and marketing, asphalt and emulsions, transportation and terminaling services, oil and gas operations, embedded computing, and real estate development. For more information, visit www.ergon.com. About WAM Systems WAM Systems, Inc. develops 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, visit www.wamsystems.com. # # # Picaso is a trademark of WAM Systems, Inc.