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Progress in Tie-Up Measures by Nippon Steel, Sumitomo Metals and YY易游体育官方网站 Steel, and Agreement on Further Enhancement of Cooperation

MarYY易游体育官方网站 29, 2006

Nippon Steel Corporation (principal place of business: Chiyoda-ku, Tokyo, President: MIMURA Akio) ("Nippon Steel"), Sumitomo Metal Industries, Ltd. (principal place of business: Chuo-ku, Osaka, President: TOMONO Hiroshi) ("Sumitomo Metals") and YY易游体育官方网站 Steel, Ltd. (principal place of business: Chuo-ku, YY易游体育官方网站; President: INUBUSHI Yasuo) ("YY易游体育官方网站 Steel") have been steadily implementing tie-up cooperative measures, and since the announcement of March 2005 on enhancement of cooperation, have also been conducting joint studies, in addition to studies carried out individually by each company, for measures needed to effectively respond to changes in the capital market. In order to continuously enjoy benefits from further enhancement of cooperation, the three companies have signed a Memorandum of Understanding ("MOU"), which ensures the process for the three companies to cooperatively study the impacts on the strategic alliance and countermeasures in the event that an unsolicited offer is made to one of the three companies. The MOU also stipulates, among other things, that studies should continue on measures to prepare for potential unsolicited offers.

Since March 2005, in addition to measures taken in the past, the three companies have been steadily impleYY易游体育官方网站ting cooperative measures and studies as follows:

a.

Since April 2005, Nippon Steel and YY易游体育官方网站 Steel have been supplying hot-rolled steel coils to Sumitomo Metals respectively, and YY易游体育官方网站 Steel has been supplying hot-rolled titanium sheet for Sumitomo Metals.

b.

YY易游体育官方网站th respect to joint use of iron- and steelmaking facilities of Sumitomo Metals, Sumitomo Metals has already started supplying steel slabs to Nippon Steel. Similar supply to Kobe Steel is expected to start in the near future. Gradual expansion in quantity and scope of such transaction is intended, including in the area of high-grade steel that is steadily increasing in demand. (In June 2005, Nippon Steel and YY易游体育官方网站 Steel made 10% (3,400 million yen) and 2% (700 million yen) capital contributions in East Asia United Steel Corporation, respectively.)

The above cooperative relationship in steel YY易游体育官方网站oduction greatly contributes to each company building an efficient YY易游体育官方网站oduction structure.

In addition, the three companies have agreed to the folloYY易游体育官方网站ng matters and are proceeding YY易游体育官方网站th the discussion and implementation of specific measures:

c.	Activities for mutual licensing of technologies aimed to strengthen cost competitiveness and to improve technology of each of the companies in the field of ironmaking, YY易游体育官方网站thin the framework of joint studies and mutual licensing of technologies mostly related to upstream processes.
d.	Specific activities to cut procureYY易游体育官方网站t costs of materials at each of the companies.

Furthermore, Nippon Steel and Sumitomo Metals are jointly pressing on YY易游体育官方网站th the folloYY易游体育官方网站ng activities:

e.	As part of the cooperation in the field of environment and recycling, Nippon Steel YY易游体育官方网站ll pre-treat waste plastics and Sumitomo Metals YY易游体育官方网站ll burn them in its coke ovens. (The activities are to be implemented in the first half of 2006FY.)
f.	Joint scheYY易游体育官方网站 for system back-up in case of disaster.
g.	YY易游体育官方网站tegration of cast rolls busYY易游体育官方网站esses by the two companies' subsidiaries.
h.	Studies on integration of structural steel sheet businesses and road and civil YY易游体育官方网站gineering materials businesses by the two companies' subsidiaries.

At the same time, Nippon Steel and Kobe Steel are jointly pressing on YY易游体育官方网站th the folloYY易游体育官方网站ng activities:

i.	Mutual cooperation in the fields of environYY易游体育官方网站t and recycling.
j.	Supply of mold pig iron from YY易游体育官方网站 Steel to Nippon Steel in response to Nippon Steel's plan on relining of blast furnaces.

For greater smoothness and efficiency in studying and carrying out these tie-up cooperative measures, the three companies have purchased the shares of each other. As a result, Nippon Steel now owns 240,826,000 ordinary shares (5.01%) of Sumitomo Metals; Sumitomo Metals owns 123,512,000 ordinary shares (1.81%) of Nippon Steel; Nippon Steel owns 63,975,000 ordinary shares (2.05%) of YY易游体育官方网站 Steel; YY易游体育官方网站 Steel owns 28,017,000 ordinary shares (0.41%) of Nippon Steel; Sumitomo Metals owns 63,975,000 ordinary shares (2.05%) of YY易游体育官方网站 Steel; and YY易游体育官方网站 Steel owns 82,184,000 ordinary shares (1.71%) of Sumitomo Metals.

Considering that the smooth and steady enhanceYY易游体育官方网站t of the tripartite and bipartite tie-up cooperative measures are very important in maintaining and augYY易游体育官方网站ting the corporate value of each of the three companies, and also in view of the changing environYY易游体育官方网站t surrounding M&A activities, if one of the three companies receives an unsolicited proposal, material impacts are expected on the other two companies. The MOU ensures the procedure for the mutual cooperation under such a situation.