Nippon Telegraph And Telephone Corporation; Nippon Telegraph And Telephone East Corporation; Ntt Docomo Inc.; Ntt Communications Corporation; Nippon Telegraph And Telephone West Corporation

TOKYO, March 31, 2011 - Due to the impact of the Tohoku-Pacific Ocean Earthquake that occurred on March 11, 2011, some of NTT Group's services, including fixed-line and mobile communication services, remain unavailable, particularly in the Tohoku region.