SINGAPORE, 23 March 2007 -- ExxonMobil Chemical today announced the successful completion of the expansion of its steam cracker in Singapore. The expansion project, announced in 2005, has increased the ethylene capacity of the world-scale Singapore Chemical Plant by 75,000 tons per year to more than 900,000 tons per year.

Lynne Lachenmyer, Asia Pacific Manufacturing Director, ExxonMobil Chemical Asia Pacific said, “We are pleased that the completion of the expansion comes at a time of continued growing demand for petrochemical products in the region. This adds to our capability in meeting the needs of our customers. We at ExxonMobil Chemical continually seek opportunities to enhance our manufacturing capability to respond to customers' needs. We are fully committed to be a reliable global supplier and technology leader.”

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About ExxonMobil Chemical

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. The Singapore Chemical Plant, ExxonMobil Chemical's single largest investment in the world, started up in 2001.

To find out more about ExxonMobil Chemical,  visit www.exxonmobilchemical.com.

Note to the 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.