3. Capital Investment Notes : (1) Capital Investments of NTT East, NTT West, and NTT Communications for fiscal year ending Mar. 31, 2011 (Revised Forecast) include: 155.0 billion yen for voice transmission, 50.0 billion yen for data transmission, 200.0 billion yen for leased circuit, 1.0 billion yen for telegraph, 3.0 billion yen for R&D facilities, and 21.0 billion yen for joint facilities and others for NTT East; 178.0 billion yen for voice transmission, 50.0 billion yen for data transmission, 137.0 billion yen for leased circuit, 1.0 billion yen for telegraph, 2.0 billion yen for R&D facilities, and 12.0 billion yen for joint facilities and others for NTT West; and 64.0 billion yen for voice transmission, 15.0 billion yen for data transmission, 3.0 billion yen for leased circuit, 2.0 billion yen for R&D facilities, and 34.0 billion yen for joint facilities and others for NTT Communications.   (2) Capital Investments of NTT East and NTT West for fiscal year ending Mar. 31, 2011 (Revised Forecast) include approximately 190.0 billion yen and 120.0 billion yen for optical fiber related investment in NTT East and in NTT West respectively. Coverage rates of optical fiber are expected to be 93% for NTT East and 89% for NTT West as of Mar. 31, 2011. Copyright (c) 2010 Nippon telegraph and telephone corporation