HOUSTON, May 15, 2002 - The Board of Directors of Lyondell Chemical Company (NYSE: LYO) has promoted Kerry Galvin to the position of Senior Vice President, General Counsel and Secretary.

In this capacity, Galvin is responsible for coordinating and providing legal services for the Lyondell enterprise, which includes Equistar Chemicals, LP, and for managing the enterprise's Legal Department. She also serves as chief legal advisor to the Lyondell Board of Directors.

Since joining Lyondell in 1990, Galvin has held several positions in the company's Legal Department, in both the United States and Europe. She was previously Vice President, General Counsel and Secretary, a position she had held since July 2000.

Galvin earned a Bachelor of Science degree in Foreign Service from Georgetown University and a Juris Doctor degree from The University of Michigan. She is a member of the American Corporate Counsel association, the American Bar Association and the Texas Bar Association.

Lyondell Chemical Company, (www.lyondell.com ), headquartered in Houston, Texas, is the world's largest producer of propylene oxide (PO); the world's number three supplier of TDI (toluene diisocyanate); a leading producer of propylene glycol; a leading producer of other PO derivatives such as BDO (butanediol) and PGE (propylene glycol ether); and a producer of styrene monomer and MTBE as co-products of PO production. Through its 41% interest in Equistar Chemicals, LP, Lyondell also is one of the largest producers of ethylene, propylene and polyethylene in North America and a leading producer of polypropylene, ethylene oxide, ethylene glycol, high value-added specialty polymers and polymeric powder. Through its 58.75% interest in LYONDELL-CITGO Refining LP, Lyondell is one of the largest refiners in the United States, processing extra heavy Venezuelan crude oil to produce gasoline, low sulfur diesel and jet fuel. Lyondell is the third largest methanol producer in the U.S., through its 75% interest in Lyondell Methanol Company, L.P.
SOURCE Lyondell Chemical Company
Web site: http: //www.lyondell.com
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CONTACT: Anne M. Knisely of Lyondell Chemical Company, +1-713-309-2643
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