Exhibit 99

                      Labor Dispute at Arrow Plant Settled

     PASADENA, Calif.--(BUSINESS WIRE)--March 29, 2004--Ameron International
Corporation (NYSE:AMN) today announced that on Friday, March 26, 2004, the labor
dispute at its Water Transmission Group's Arrow Plant in Rancho Cucamonga,
California was settled with workers agreeing to a new labor contract. Operations
at the Arrow Plant will resume this week. A similar labor dispute at the Water
Transmission Group's Fontana Plant in Etiwanda, California was settled on
February 26. The previously-announced labor strike at the Company's principal
aggregates and ready-mix concrete operations on Oahu in Hawaii is on-going.
However, negotiations are continuing.

     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 economics 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.

    CONTACT: Ameron International Corporation
             James S. Marlen / Gary Wagner, 626-683-4000