Ameron International Appoints Mark Nowak Fiberglass-Composite Pipe Group President.

Business Editors

PASADENA, Calif.--(BUSINESS WIRE)--March 4, 2004

Ameron International Corporation (NYSE:AMN) today announced the appointment of Mark Nowak as Group President, Fiberglass-Composite Pipe. In this position, he will have overall management responsibility for Ameron's worldwide fiberglass pipe operations. Ameron's fiberglass pipe business has manufacturing facilities in Burkburnett and Mineral Wells, Texas; Singapore and Malaysia; and Geldermalsen, the Netherlands; and has joint-venture companies in Saudi Arabia and Kuwait.

Nowak joined Ameron in 1998 and was most recently President of Fiberglass-Composite Pipe-Americas, with responsibility for the U.S. operations, including the Company's oilfield piping subsidiary, Centron International, Inc. Nowak has a B.A. in Marketing from the University of Toledo. Previously, he held senior sales and marketing positions with Morton International and Owens Corning Fiberglass. Nowak will report directly to James S. Marlen, Ameron's Chairman, President and Chief Executive Officer.

Nowak will retain his responsibilities as President-Fiberglass-Composite Pipe-Americas and will remain at the worldwide Fiberglass-Composite Pipe Group headquarters in Houston, Texas.

"Mark has demonstrated excellent leadership skills and has the strategic vision to achieve long-term growth for the Fiberglass-Composite Pipe business," Marlen said.

Ameron also announced the appointment of Edwin van Steenis as General Manager of Fiberglass-Composite Pipe-Europe, with responsibility primarily for Europe, Africa and the former Soviet Union. Edwin joined Ameron in February 1997 and has a Bachelor degree in Business Economics from the University of Hogeschool-Hertogenbosch, the Netherlands.

In addition to van Steenis and Nowak, the Group's senior managers include:

-- Allen Chiu, Managing Director-Ameron (Pte) Ltd., responsible

for Asian and Middle East operations. Allen joined Ameron in

April 1998 after many years in management technology at Exxon

Mobil Corporation. He holds a Master of Science degree in

Chemical Engineering from the University of New Hampshire.

-- Tim Wesolowski, Fiberglass-Composite Pipe Group Controller.

Tim joined Ameron in 2002 from Valspar Corporation. He is a

graduate of Purdue University with a M.B.A. degree.

-- David B. Jones, Vice President-U.S. Operations. David joined

Ameron as part of the Centron acquisition in 1996. He has a

Bachelor degree in Business Management from LaSalle

University.

-- Issam Makansi, Vice President of Sales and Marketing-Middle

East, joined Ameron in January 1982 and holds a Master of

Science degree in Chemical Engineering from the University of

Berlin.

-- Pierre de Fermor, Senior Vice President of Sales and

Marketing-SSL, joined Ameron in January 1982 and holds a

degree in Marketing from the University of Paris.

-- Jeroen van Brakel, Technical Director-SSL, began his career

with Ameron in 1986 and holds a Bachelor degree in Engineering

from the University of Hogeschool-Utrecht, the Netherlands.

Ameron International Corporation is a multinational manufacturer of highly-engineered products and materials for the chemical, industrial, energy, transportation and infrastructure markets. Traded on the New York Stock Exchange (AMN), Ameron is a leading producer of water transmission lines; high-performance coatings and finishes for the protection of metals and structures; fiberglass-composite pipe for transporting oil, chemicals and corrosive fluids and specialized materials and products used in infrastructure projects. The Company operates businesses in North America, South America, Europe, Australasia and Asia. It also participates in several joint-venture companies in the U.S., Saudi Arabia, Kuwait and Egypt.

Cautionary statement for purposes of the "Safe Harbor" provisions of The Private Securities Litigation Reform Act of 1995: Any statements in this report that refer to the estimated or anticipated future results of Ameron International Corporation ("Ameron" or the "Company") are forward-looking and reflect the Company's current analysis of existing trends and information. Actual results may differ from current expectations based on a number of factors affecting Ameron's businesses, including competitive conditions and changing market situations. Matters affecting the economy generally, including the state of economies worldwide, can affect Ameron's results. Forward-looking statements represent the Company's judgment only as of the date of this report. Since actual results could differ materially, the reader is cautioned not to rely on these forward-looking statements. Moreover, Ameron disclaims any intent or obligation to update these forward-looking statements.