

FOR IMMEDIATE RELEASE            Contact: Guy T. Marcus
July 9, 1998                              Vice President, Investor Relations
                                          (214) 978-2691


                   HALLIBURTON-DRESSER MERGER CLEARS IN CANADA

         Dallas, TEXAS -- Halliburton Company (NYSE:HAL) and Dresser Industries,
Inc.  (NYSE:DI)  have received an Advance Ruling  Certificate  from the Canadian
Bureau of Competition Policy clearing the merger of the two companies.
         Halliburton  and  Dresser  previously  announced  a  definitive  merger
agreement  which calls for  Dresser's  shareholders  to receive one newly issued
share  of  Halliburton  for  each  share  of  Dresser.  Both  of the  companies'
shareholders  have voted  their  approval  for the  merger  plan.  The  European
Commission, under the European Community Merger Control Regulations, cleared the
merger of the two companies earlier this week. At the present time the companies
have other regulatory filings in process with the U.S. Department of Justice and
regulatory agencies in certain other countries. The companies expect to complete
the merger during the fall of 1998.
         Halliburton  Company is one of the world's largest  diversified  energy
services, engineering,  maintenance and construction companies. Founded in 1919,
Halliburton  provides a broad range of energy services and products,  industrial
and marine engineering and construction services.

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