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History
Last updated : May 9, 2025
| 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) |
| 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 (delisted on 2017 Apr.) |
| 1994 Oct. 12 | NTT listed on London Stock Exchange (delisted on 2014 Mar.) |
| 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) |
| 1999 Nov. | 952,000 million government-owned shares of NTT stock sold |
| 2000 Feb. | Treasury stock cancelled (28,512 shares) |
| 2000 Nov. | One million shares of government-owned NTT stock sold |
| 2000 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) |
| 2003 Oct.-2003 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) |
| 2004 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 Jun.-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 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) |
| 2012 Sep.-2013 Feb. | NTT repurchased common stock for treasury (38,382,300 shares) |
| 2013 May.-2013 Oct. | NTT repurchased common stock for treasury (48,737,200 shares) |
| 2013 Nov. | Treasury stock cancelled (186,500,000 shares) |
| 2014 Mar. | NTT repurchased common stock for treasury (26,556,800 shares) (26,010,000 government-owned shares of NTT stock sold) |
| 2014 Nov.-2015 Mar. | NTT repurchased common stock for treasury (51,000,000 shares) (36,156,700 government-owned shares of NTT stock sold) |
| 2015 Jul. | Stocks held by shareholders (based on shareholders' register as of the end of June ,2015) split at a ratio of 1 to 2. |
| 2015 Aug.-Oct. | NTT repurchased common stock for treasury (21,000,000 shares) |
| 2015 Nov. | Treasury stock cancelled (177,000,000 shares) |
| 2016 Jun. | NTT repurchased common stock for treasury (59,038,100 shares) (59,000,000 government-owned shares of NTT stock sold) |
| 2016 Dec.-2017 Apr. | NTT repurchased common stock for treasury (30,587,200 shares) |
| 2017 Oct.-2017 Dec. | NTT repurchased common stock for treasury (26,946,400 shares) |
| 2018 Mar.-2018 May. | NTT repurchased common stock for treasury (29,178,000 shares) |
| 2018 Sep. | Treasury stock cancelled (146,000,000 shares) |
| 2018 Nov.-2019 Jan. | NTT repurchased common stock for treasury (32,868,000 shares) |
| 2019 May.-2019 Jul. | NTT repurchased common stock for treasury (50,480,100 shares) |
| 2019 Sep. | NTT repurchased common stock for treasury (48,980,000 shares) (48,666,700 government-owned shares of NTT stock sold) |
| 2020 Jan. | Stocks held by shareholders (based on shareholders' register as of the end of December,2019) split at a ratio of 1 to 2. |
| 2020 Nov.-2021 Feb. | NTT repurchased common stock for treasury (93,906,900 shares) |
| 2021 Nov. | Treasury stock cancelled (278,776,284 shares) |
| 2021 Aug.-2021 Dec. | NTT repurchased common stock for treasury (79,358,500 shares) |
| 2022 Sep. | NTT repurchased common stock for treasury (92,925,400 shares) (92,925,400 government-owned shares of NTT stock sold) |
| 2023 Mar. | NTT repurchased common stock for treasury (38,926,400 shares) |
| 2023 Jul. | Stocks held by shareholders (based on shareholders' register as of the end of June,2023) split at a ratio of 1 to 25. |
| 2023 Sep.-2024 Mar. | NTT repurchased common stock for treasury (1,155,601,000 shares) |
| 2024 Aug.-2025 Feb. | NTT repurchased common stock for treasury (1,331,715,900 shares) |
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