1. December 17, 2003
   NGK's Diesel Particulate Filter Selected for Mazda Bongo
2. November 26, 2003
   EXPO 2005 AICHI JAPAN, NGK Presentation Theme "Water"
3. November 26, 2003
   Business Plan for Diesel-powered Automotive Exhaust Gas Purification Ceramics
4. October 14, 2003
   NGK Completes the Construction of a Mass-Production Plant for Ceramic Membranes for Water Purification
5. September 18, 2003
   NGK's Diesel Particulate Filter Selected for Small-Sized Trucks of the Toyota Motor Corporation and Hino Motors, Ltd.
6. September 3, 2003
   NGK Issues Environmental Report 2003
7. September 2, 2003
   NGK's Diesel Particulate Filter Selected for Hino
8. May 28, 2003
   Announcement Regarding Settlement of Number of Subsidiary's Stocks Transferred
9. May 27, 2003
   NGK's Diesel Particulate Filter Selected for Mazda's Monitoring Vehicle
10. May 13, 2003
    Announcement of Share Repurchase
11. May 6, 2003
    Announcement Regarding Transfer of Asahi Tec Corporation Stock

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