Chevron Phillips Chemical appoints Trevor Roberts, interim CFO, Dennis Holtermann, VP, research and technology, Greg Wagner, VP, Human Resources; all appointments effective Feb. 1

THE WOODLANDS, Texas , January 19, 2012 (press release) – Chevron Phillips Chemical Company LLC (Chevron Phillips Chemical) today announced the following management changes.

Effective February 1, 2012, Greg Wagner will become vice president Human Resources. Wagner replaces Chantal Veevaete, who has been appointed to the executive management team of Phillips 66, the independent downstream company, which will become effective once ConocoPhillips’ strategic repositioning is complete in the second quarter of 2012.

Wagner was previously Chevron’s vice president Human Resources for Downstream and Chemicals, overseeing the human resource function for Chevron’s world-wide refining, marketing, supply and trading, lubricants, and chemical additives operations.

Also effective February 1, Trevor Roberts, treasurer for Chevron Phillips Chemical, will assume the role of interim chief financial officer as a search continues for a permanent replacement for Greg Maxwell who has also been appointed to the executive management team of Phillips 66.

On April 1, 2012 Dennis Holtermann will become vice president Research and Technology, replacing Mary Jane Hagenson, who has elected to retire after 27 years of service with Chevron Phillips Chemical and Phillips Petroleum. Holtermann has been with Chevron and Chevron Phillips Chemical since 1981, serving in a number of commercial and research positions within the organizations, most recently as general manager of NAO and PAO for Chevron Phillips Chemical.

Wagner, Roberts and Holtermann will report to Peter L. Cella, president and chief executive officer.

About Chevron Phillips Chemical Company LLC

Chevron Phillips Chemical is one of the world’s top producers of olefins and polyolefins and a leading supplier of aromatics, alpha olefins, styrenics, specialty chemicals, plastic piping and polymer resins. The LLC and its affiliates own over $8 billion in assets and employ approximately 4,700 people at 42 manufacturing and research facilities in eight countries. Chevron Phillips Chemical Company LLC is equally owned by Chevron Corporation and ConocoPhillips, and is headquartered in The Woodlands, Texas. For more information about Chevron Phillips Chemical, visit

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