BAYTOWN, Texas--(BUSINESS WIRE)--April 18, 2006--At a ceremony held at ExxonMobil, the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE) recognized ExxonMobil Baytown Complex with the 2006 Energy Star Combined Heat and Power (CHP) Award for the site's cogeneration facilities.

Combined Heat and Power (CHP) is an efficient, clean, and reliable approach to generating power and thermal energy from a single fuel source. ExxonMobil's cogeneration facilities increase the energy efficiency at the complex's refinery, two chemical plants and research center and helps decrease the region's emissions of greenhouse gases.

The facilities, located at the Baytown Olefins Plant, include a 160 megawatt gas-turbine generator, coupled with a heat-recovery unit that can produce 560,000 pounds-per-hour of steam for use in manufacturing processes. Using the most efficient technology available today, the new cogeneration unit produces both steam and electricity from clean-burning natural gas at an efficiency rate of about twice traditional power generation. The generator is large enough to supply the average energy needs of at least 100,000 homes in the United States.

Based on EPA calculations, the Baytown CHP system has an operating efficiency of 73 percent and requires about 33 percent less fuel than equivalent separate heat and power. These savings result in a carbon dioxide reduction of approximately 619,000 tons per year.

"In an increasingly competitive global industry, projects such as cogeneration are essential to our strategy of operating reliably and efficiently," said Chris Erickson, Refinery Plant Manager. "In the past five years, our site's energy efficiency projects including cogen have reduced emissions equal to taking nearly 150,000 cars off the road."

Currently, ExxonMobil has more than 85 cogeneration units located around the world that produce nearly 3,700 megawatts of electricity at 30 refineries, chemical plants and natural gas processing plants worldwide. Energy savings from these units are equivalent to the residential electricity needs of Maine, Vermont and New Hampshire combined.

ExxonMobil Chemical is a global leader in technology, product quality and customer service with petrochemical manufacturing and/or marketing operations in more than 150 countries around the world. To find out more about ExxonMobil Chemical, visit www.exxonmobilchemical.com.

Notes to editors:

The term "ExxonMobil Chemical" refers collectively to some or all of the companies affiliated with Exxon Mobil Corporation which have chemical manufacturing and/or marketing operations around the world.

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Copyright Business Wire 2006

ExxonMobil

ExxonMobil

ExxonMobil is a global company with approximately 86,000 employees and a presence in close to 200 countries and territories. We have an industry-leading inventory of discovered oil and gas resources and an impressive portfolio of growth opportunities. We are the largest refiner and marketer of petroleum products and the leading manufacturer of lubricating oil basestocks. Our chemical company ranks among the world's largest petrochemical enterprises. Our organization structure is built on a concept of global businesses and is designed to allow ExxonMobil to compete most effectively in the ever-changing and challenging worldwide energy industry.

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