                                                                      Exhibit 99


               Ameron Settles Labor Strike in Hawaii

    PASADENA, Calif.--(BUSINESS WIRE)--April 5, 2004--Ameron
International Corporation (NYSE:AMN) today announced that the labor
dispute at the Company's aggregates and ready-mix concrete operations
on Oahu in Hawaii has been settled. The Company and union workers have
agreed to a new five-year contract. Normal operations will resume this
week. The previously announced labor disputes at two of the Water
Transmission Group's plants in Southern California and at the
Company's operations in Oahu, Hawaii have all now been settled.
    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.

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



