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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)