Mittal Steel Company N.V. and International Steel Group Inc. Clarify Election Deadline

Mittal Steel Company N.V. and International Steel Group Inc.
Clarify Election Deadline 


LONDON, April 8  /PRNewswire-FirstCall/ -- Mittal Steel Company N.V. ("Mittal
Steel") (NYSE:MTNYSE:andNYSE:EuronextNYSE:Amsterdam:NYSE:MT) and International
Steel Group Inc. ("ISG") (NYSE:ISG) today clarified the deadline for ISG
stockholders to submit forms of election regarding the stock and cash
consideration they elect to receive for their shares of ISG common stock in
connection with the proposed merger of ISG with a wholly owned subsidiary of
Mittal Steel. The deadline for holders of record of ISG shares will be 5:00
p.m., New York City time, on the third business day after the merger is
completed. ISG stockholders who hold their shares in "street name" may be
required to submit their election forms earlier than the deadline applicable to
holders of record. Such stockholders should carefully review any materials they
received from their broker to determine the election deadline applicable to
them.

As previously announced, a meeting date of April 12, 2005 has been established
for the Extraordinary General Meeting of Mittal Steel Shareholders and for the
Special Meeting of ISG Stockholders during which Mittal Steel shareholders and
ISG stockholders will vote on the merger agreement. Mittal Steel and ISG intend
to complete the merger as promptly as practicable following satisfaction of all
conditions to completion of the merger. As a result, the earliest possible
expiration date for an ISG stockholder to submit a form of election is 5:00
p.m., New York City time, on Friday, April 15, 2005 (which would be the case if
Mittal Steel and ISG were to complete the merger on Tuesday, April 12, 2005).

ALL ISG STOCKHOLDERS ARE URGED TO SUBMIT THEIR FORMS OF ELECTION AS SOON AS
POSSIBLE IN ORDER TO ENSURE THAT THEIR ELECTIONS ARE EFFECTIVE.

ISG stockholders may elect cash, Mittal Steel Class A Common Shares, or a
combination of the two for their ISG shares. All elections are subject to
proration procedures provided in the merger agreement designed to ensure that,
in the aggregate, 50% of the ISG shares will be converted into cash and 50% of
the ISG shares will be converted into Mittal Steel Class A Common Shares. As a
result, an ISG stockholder may not receive the exact form of consideration
elected, and the ability of an ISG stockholder to receive the form of
consideration elected will depend on the elections made by other ISG
stockholders.

A more complete description of the merger consideration and the adjustment and
proration mechanisms applicable to elections is contained in the election
materials mailed to ISG stockholders of record as of March 14, 2005 and the
proxy statement/prospectus dated March 14, 2005, both of which ISG stockholders
are urged to read carefully and in their entirety.

ISG stockholders may obtain additional copies of the election documents, as
well as copies of the proxy statement/prospectus dated March 14, 2005, from
MacKenzie Partners, Inc., by telephone at [phone] (collect) or
[phone] (toll free) or by email at .

About Mittal Steel Company

Mittal Steel Company is the world's most global steel company. Formed from the
combination of Ispat International N.V. and LNM Holdings N.V., the company has
operations in fourteen countries, on four continents. Mittal Steel encompasses
all aspects of modern steelmaking, to produce a comprehensive portfolio of both
flat and long steel products to meet a wide range of customer needs. It serves
all the major steel consuming sectors, including automotive, appliance,
machinery and construction.

For 2004, Mittal Steel had revenues of US$22.2 billion and steel shipments of
42.1 million tons. The company trades on the New York Stock Exchange and the
Euronext Amsterdam under the ticker symbol "MT".

About ISG

International Steel Group Inc. is one of the largest steel producers in North
America. It ships a variety of steel products from 13 major steel producing and
finishing facilities in eight states, including hot-rolled, cold-rolled and
coated sheets, tin mill products, carbon and alloy plates, rail products and
semi-finished shapes to serve the automotive, construction, pipe and tube,
appliance, container and machinery markets. For additional information on ISG,
visit http://www.intlsteel.com/.

Safe Harbor Statement

This press release contains "forward-looking" statements concerning certain
matters, including the timing of the satisfaction of the conditions to
completion of the proposed merger of ISG with Mittal Steel and the timing for
the completion of the proposed merger. Such forward-looking statements reflect
various assumptions of management concerning future events, and are subject to
significant business, economic and competitive risks, uncertainties and
contingencies, many of which are unknown and beyond our control. For more
detailed information on the risks and uncertainties associated with the
proposed merger of ISG with Mittal Steel and Mittal Steel's and ISG's business
activities, see Mittal Steel's reports filed with the Securities and Exchange
Commission. Except as required by law, neither Mittal Steel nor ISG undertakes
any obligation to publicly update its forward-looking statements whether as a
result of new information, future events, or otherwise.

Additional Information and Where to Find It

Mittal Steel has filed with the Securities and Exchange Commission a
registration statement on Form F-4 that includes a proxy statement of ISG and a
prospectus of Mittal Steel and other relevant documents in connection with the
proposed merger involving Mittal Steel and ISG. In addition, Mittal Steel has
published and made available to shareholders of Mittal Steel, and filed with
Euronext Amsterdam N.V., a prospectus and shareholders circular. Investors and
security holders are urged to carefully read the prospectus regarding the
proposed merger because it contains important information and to exclusively
base their investment decision on this prospectus. Investors and security
holders of Mittal Steel and ISG are urged to read the proxy statement and
prospectuses and other relevant materials because they contain important
information about Mittal Steel and ISG and the proposed merger. Investors and
security holders may obtain a free copy of these materials and other documents
filed with the Securities and Exchange Commission at the SEC's website at
http://www.sec.gov/. You may obtain documents filed with the SEC by Mittal
Steel free of charge if you request them in writing from Mittal Steel Company
N.V., 15th Floor, Hofplein 20, 3032 AC Rotterdam, The Netherlands, or by
telephone at [phone]. You may also obtain documents filed with the SEC
by ISG free of charge if you request them in writing from Investor Relations,
International Steel Group Inc., 4020 Kinross Lakes Parkway, Richfield, Ohio
44286-9000, or by telephone at [phone]. 

DATASOURCE: Mittal Steel Company N.V. and International Steel Group Inc.



CONTACT:  For more information, please contact: Mittal Steel, Nicola

Davidson, General Manager, Corporate Communications, T:

[phone], T. N. Ramaswamy, Director Finance, T:

[phone]; ISG, Blaise Derrico, Manager, Investor

Relations, T: [phone], Charles T. Glazer, Manager,

Communications and Public Relations, T: [phone].

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