3. Capital Investment Notes: 1 Capital Investments of NTT East, NTT West, and NTT Communications for fiscal year ending Mar. 31, 2007 (Revised Forecast) include : 262 billion yen for voice transmission, 55 billion yen for data transmission, 90 billion yen for leased circuit, 1 billion yen for telegraph, 4 billion yen for R&D facilities, and 18 billion yen for Joint Facilities, etc. for NTT East; 251 billion yen for voice transmission, 55 billion yen for data transmission, 94 billion yen for leased circuit, 1 billion yen for telegraph, 3 billion yen for R&D facilities, and 11 billion yen for Joint Facilities, etc. for NTT West; and 54 billion yen for voice transmission, 14 billion yen for data transmission, 3 billion yen for leased circuit, 2 billion yen for R&D facilities, and 37 billion yen for Joint Facilities, etc. for NTT Communications.   2 Capital Investments of NTT East and NTT West for fiscal year ending Mar. 31, 2007 (Revised Forecast) include approximately 190 billion yen for optical fiber related investment in NTT East, and approximately 160 billion yen for optical fiber related investment in NTT West. Coverage rates of optical fiber are 88% for NTT East and 87% for NTT West as of Mar. 31, 2007 (Revised Forecast). Copyright (c) 2006 Nippon telegraph and telephone corporation