| 1985 Apr. | Nippon Telegraph and Telephone Corporation established |
|---|---|
| 1986 Oct.- 1987 Feb. |
1.95 million government-owned shares of NTT stock sold |
| 1987 Feb. 9 | NTT listed on stock exchanges in Tokyo, Osaka, Nagoya, Kyoto, Hiroshima, Fukuoka, Niigata, and Sapporo. Initial Public Offering price: 1.6 million yen (Feb. 10, 1987) |
Nov. |
1.95 million government-owned shares of NTT stock sold |
| 1988 Oct. | 1.5 million government-owned shares of NTT stock sold |
| 1994 Sep. 29 | NTT listed on New York Stock Exchange |
Oct. 12 |
NTT listed on London Stock Exchange |
| 1995 Nov. | Stocks held by shareholders (based on shareholders' register as of the end of September 1995) split at a ratio of 1 to 1.02. |
| 1998 Dec. | 1 million government-owned shares of NTT stock sold |
| 1999 Jul. | Treasury stock cancelled (48,898 shares) (48,000 government-owned shares of NTT stock sold ) |
Nov. |
952,000 million government-owned shares of NTT stock sold |
| 2000 Feb. | Treasury stock cancelled (28,512 shares) |
Nov. |
One million shares of government-owned NTT stock sold |
Nov. |
300,000 shares of new stock issued |
| 2002 Oct. | NTT repurchased common stock for treasury (200,000 shares) (91,800 government-owned shares of NTT stock sold ) |
| 2003 Mar. | Treasury stock cancelled (202,145 shares) |
Oct.-Dec. |
NTT repurchased common stock for treasury (190,460 shares)(85,157 government-owned shares of NTT stock sold ) |
| 2004 Mar. | Treasury stock cancelled (191,236 shares) |
Nov. |
NTT repurchased common stock for treasury (800,145 shares) (800,000 government-owned shares of NTT stock sold ) |
| 2005 Sep. | NTT repurchased common stock for treasury (1,116,743 shares) (1,123,043 government-owned shares of NTT stock sold ) |
| 2007 Dec.- 2008 mar. |
NTT repurchased common stock for treasury (178,698 shares) |
| 2008 June.- 2009 Jan. |
NTT repurchased common stock for treasury (40,517,500 shares*) *The number of shares is based on the stock split in January,2009 (shown below) |
| 2009 Jan. | Stocks held by shareholders (based on shareholders' register as of the end of January 3, 2009) split at a ratio of 1 to 100. |
| 2010 Nov. | Treasury stock cancelled (125,461,833 shares) |
| 2011 Jul. | NTT repurchased common stock for treasury (57,513,600 shares) (57,513,600 government-owned shares of NTT stock sold) |
| 2011 Nov. | Treasury stock cancelled (125,461,832 shares) |
| 2012 Feb. | NTT repurchased common stock for treasury (41,820,600 shares) (41,820,600 government-owned shares of NTT stock sold) |