OICO O. I. Corp. (MM)

O.I. Corporation (NASDAQ: OICO) announced today that Mr. Y.L. (Lou) Cheng has joined OI Analytical as Manager of Sales for the Asia Pacific Region. Prior to joining OI, Mr. Cheng worked in Asia for the Petroleum Analysis Corporation and AC Analytical Controls. Mr. Cheng will work from an office in Singapore beginning June 1.

Craig Marvin, Vice President of Sales and Marketing, commented, "Mr. Cheng has extensive experience with analytical instrumentation and a thorough understanding of client requirements across a broad array of industries in the region. His twenty-one years of experience with analytical techniques and business conditions in Asia will help OI strengthen its support for clients and partners. We are excited to have Mr. Cheng join OI and look forward to building on our current market presence."

About O.I. Corporation:

O.I. Corporation, dba OI Analytical, develops, manufactures, sells, and services analytical instrumentation that detects, measures, analyzes, and monitors chemicals in liquids, solids, and gases. Providing products used to digest, extract, and separate components of chemical mixtures, the Company designs application-specific solutions for various industries including environmental testing, defense, and petrochemical. Headquartered in College Station, Texas, the Company's products are sold worldwide.

Visit the Company's worldwide web site at: http://www.oico.com

Investor Relations: J. Bruce Lancaster CEO (979) 690-1711