Korean Petrochemical Company Achieves Better Inventory Visibility and Improves Decision Making at Olefins and Aromatics Plants

BURLINGTON, Mass - Aspen Technology, Inc. (NASDAQ: AZPN), a leading provider of software and services to the process industries, today announced that Samsung Total Petrochemicals Co., Ltd. (Samsung Total) has deployed aspenONE® Planning and Scheduling at its Olefins and Aromatics plants in Daesan, Korea. Based on initial results, Samsung Total expects to achieve $5 million in annual savings by using aspenONE software.

• aspenONE Planning and Scheduling for Olefins helps fill the gap between planning and production execution, and completes Samsung Total's vision of a fully integrated, multi-level process optimization system.
• More optimized operations at Samsung Total now includes:
• • Better inventory visibility on feed stocks and final products
  • Development of "what if" scenarios for various business decisions and their impending production outcomes
  • Reduced gaps between optimal planning targets and actual outcomes
  • Improved feedback loops on plan vs. schedule vs. actual
• Samsung Total is a long-time user of aspenONE process optimization solutions and is one of Total Petrochemical's most efficient plant complexes. Amid the global economic downturn, Samsung Total chose to add AspenTech's planning & scheduling solution to compete more effectively and find ways to improve margins.
• Other AspenTech products used by Samsung Total include aspenONE® Production Management & Execution, aspenONE® Advanced Process Control and real-time optimization solutions.

Supporting Quotes:
Mr. Young-In Yoon, VP of Base Chemical Production Business Unit, Samsung Total Petrochemical Co., Ltd
"AspenTech is a trusted partner helping us in this major margin maximization project. AspenTech's planning and scheduling solution is enabling us to establish tightly integrated planning and scheduling business operations. Based on initial results, we expect to achieve more than $5 million US savings annually, as a result of optimized operations and consequently improved margins."

Henry Lau, Senior Vice President & Managing Director for APAC, AspenTech
"Satisfied customers such as Samsung Total continue to implement additional modules of the aspenONE suite because they realize good return on investment. AspenTech's vision is to enable every process company to achieve operational excellence and improve profitability across the enterprise. Our mission is to help customers stay competitive by making manufacturing operations more agile and better able to respond to changing market conditions."

Supporting Resources
Links to more information:

• aspenONE® V7 Manufacturing and Supply Chain (English)
• aspenONE® V7 Manufacturing and Supply Chain (Korean)
• aspenONE® Planning and Scheduling for Olefins
• aspenONE® Production Management & Execution for Chemicals
• aspenONE® Advanced Process Control for Chemicals
• aspenONE® V7 Engineering

About Samsung Total Petrochemicals
Samsung Total Petrochemicals (formerly Samsung General Chemicals from 1988 to 2003) was established in August 2003 as a joint venture between the Samsung and the Total Group, a global French energy and chemical company. Samsung Total operates a large petrochemical complex consisting of 15 individual plants located in Daesan, Korea. As a general chemicals company, it manufactures and supplies chemical products for daily life, such as synthetic polymer resins (polyethylene, polypropylene, etc.), base chemicals (styrene monomer, para-xylene, etc.) and other petrochemicals and petroleum-based products. For more information on Samsung Total Petrochemicals, visit www.samsungtotal.com.

About AspenTech
AspenTech is a leading supplier of software that optimizes process manufacturing – for energy, chemicals, pharmaceuticals, engineering and construction, and other industries that manufacture and produce products from a chemical process. With integrated aspenONE solutions, process manufacturers can implement best practices for optimizing their engineering, manufacturing and supply chain operations. As a result, AspenTech customers are better able to increase capacity, improve margins, reduce costs and become more energy efficient. To see how the world’s leading process manufacturers rely on AspenTech to achieve their operational excellence goals, visit www.aspentech.com.