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AT&T Corp

Information for Stockholders Joining AT&T Inc. as a Result of the Acquisition of AT&T Corp.

On Jan. 31, 2005, SBC Communications Inc. ("SBC") announced its historic agreement to acquire AT&T Corp. After the closing of the acquisition, AT&T Corp. became a wholly owned subsidiary of SBC. In recognition of the global importance of the AT&T name, SBC changed its corporate name to AT&T Inc. The acquisition was completed on Nov. 18, 2005. For additional details on former AT&T Corp. stock events, see information below the calculators.

If you owned MediaOne stock at the completion of AT&T's merger with MediaOne Group on June 15, 2000, MediaOne Merger Information is available here

If you participated in the voluntary AT&T Wireless Exchange Offer, please visit the T/AWE Exchange Offer information page for tax basis information.

If you acquired AT&T Inc. (formerly SBC Communications Inc.) shares as a result of SBC's acquisition of AT&T Corp., use this worksheet.

If you owned AT&T common stock (T) as of the close of business on April 5, 2022, the record date for distribution of shares of SpinCo, first calculate your AT&T Cost Basis using the worksheet below and then use that output for the AT&T Inc. / WBD allocation.

AT&T Corp.


Besides knowing the original date when you acquired your AT&T Corp. shares, you also will need to know your original cost per share. If you acquired shares at different times, you will need to do a separate calculation for each situation.
Original Cost per Share
(including brokerage fees)		 $  
Starting with the first event after you acquired your shares, click at the appropriate step. Your new cost basis will be automatically calculated.
Click Here if you owned AT&T Corp. shares on or before April 24, 1959 (AT&T Corp. 3-for-1 stock–split distribution date).
$ per AT&T share ÷ 3 =
[actual calculation: (cost basis:10/3=3.333333)]
 $ New Cost Basis
Click Here if you acquired your AT&T Corp. shares after April 24, 1959 (AT&T Corp. 3-for-1 stock–split distribution date) and on or before May 28, 1964 (AT&T Corp. 2-for-1 stock–split distribution date).
$ (per share) ÷ 2 =
[actual calculation: (cost basis:3.333333/2=1.666667)]
 $ New Cost Basis
Click Here if you acquired AT&T Corp. shares after May 28, 1964 (AT&T Corp. 2-for-1 stock–split distribution date) and before the AT&T Divestiture on Jan. 1, 1984.
$ (per share) x 0.285 =
[actual calculation: (cost basis:1.666667*.285=0.475)]
 $ New Cost Basis
(AT&T Corp. stockholders received one share in each of the seven regional bell operating companies for every 10 shares of AT&T Corp. owned. The AT&T Corp. allocation factor was 0.285.)
Click Here if you acquired AT&T Corp. shares after Jan. 1, 1984 (divestiture) and on or before Sept. 30, 1996 (effective date of Lucent Technologies, Inc. spinoff from AT&T Corp.).
$ (per share) x 0.7201 =
[actual calculation: (cost basis:0.475*.7201=0.342047)]
 $ New Cost Basis
(On Sept. 30, 1996, AT&T Corp. stockholders received 0.324084 shares of Lucent Technologies Inc. for every one share of AT&T Corp. owned. The AT&T Corp. allocation factor was 0.7201.)
Click Here if you acquired AT&T Corp. shares after Sept. 30, 1996 (effective date of Lucent Technologies, Inc. spinoff from AT&T Corp.) and on or before Dec. 31, 1996 (effective date of NCR Corp. spinoff from AT&T Corp.).
$ (per share) x 0.9523=
[actual calculation: (cost basis:0.342047*.9523=0.325731)]
 $ New Cost Basis
(On Dec. 31, 1996, AT&T Corp. stockholders received 0.0625 shares of NCR Corp. for every one share of AT&T Corp. owned. The AT&T Corp. allocation factor was 0.9523.)
Click Here if you acquired your AT&T Corp. shares after Dec. 30, 1996 (effective date of NCR Corp. spinoff from AT&T Corp.) and on or before April 15, 1999 (AT&T Corp. 3-for-2 stock–split distribution date).
$ (per share) ÷ 1.5 =
[actual calculation: (cost basis:0.325731/1.5=0.217154)]
 $ New Cost Basis
Click Here if you acquired AT&T Corp. shares after April 15, 1999 (AT&T Corp. 3-for-2 stock–split distribution date) and on or before July 9, 2001 (effective date of AT&T Wireless Services, Inc. split-off from AT&T Corp.).
$ (per share) x 0.7766 =
[actual calculation: (cost basis:0.217154*.7766=0.168642)]
 $ New Cost Basis
(On July 9, 2001, AT&T Corp. stockholders received 0.3218 shares of AT&T Wireless Services, Inc. for every one share of AT&T Corp. owned. The AT&T Corp. allocation factor was 0.7766.)
Click Here if you acquired AT&T Corp. shares after July 9, 2001 (effective date of AT&T Wireless Services, Inc. split-off from AT&T Corp.) and on or before Nov. 18, 2002 (effective date of AT&T Broadband Corp. spin-off from AT&T Corp.).
$ (per share) x 0.374 =
[actual calculation: (cost basis:0.168642*.374=0.063072)]
 $ New Cost Basis
(On Nov. 18, 2002, AT&T Corp. stockholders received one share of AT&T Broadband Corp. for every one share of AT&T Corp. owned. The AT&T Corp. allocation factor was 0.374.)
Click Here after calculating for the AT&T Broadband Corp. spinoff, if you acquired your AT&T Corp. shares after July 9, 2001 (effective date of AT&T Wireless Services, Inc. split-off from AT&T Corp.) and on or before Nov. 18, 2002 (AT&T Corp. 1-for-5 reverse stock-split distribution date).
$ (per share) x 5 =
[actual calculation: (cost basis:0.063072*5=0.31536)]
 $ New Cost Basis
Click Here if you acquired AT&T Corp. shares after Nov. 18, 2002 (AT&T Corp. 1-for-5 reverse stock–split distribution date) and on or before Nov. 18, 2005 (effective date of AT&T Corp. merger with SBC Communications Inc. to become AT&T Inc.).
$ (per share)÷ 0.77942 =
[actual calculation: (cost basis:0.31536/.77942=0.404609)]
 $ New Cost Basis
(On Nov. 18, 2005, AT&T Corp. stockholders received 0.77942 shares of new AT&T Inc. stock for every one share of AT&T Corp. owned.)

If you have lost any of your old AT&T Corp stock certificates, have unexchanged shares or have other questions regarding the exchange of your old AT&T Corp shares, please contact our transfer agent, Computershare at 1 800 351 7221 for instructions for replacing and exchanging these shares.

Additional details on AT&T Corp. stock events:

AT&T 3-for-1 Stock Split - April 24, 1959

As a result of the 3-for-1 stock split on April 24, 1959, AT&T stockholders received 2 additional shares of stock for every 1 share owned on April 24, 1959.

AT&T 2-for-1 Stock Split - May 28, 1964

As a result of the 2-for-1 stock split on May 28, 1964, AT&T stockholders received 1 additional share of stock for every 1 share owned on May 28, 1964.

Divestiture - Jan. 1, 1984

As a result of the AT&T Divestiture on Jan. 1, 1984 (the "Divestiture"), AT&T stockholders received one share in each of the seven regional bell operating companies for every 10 shares of AT&T owned on the record date of Dec. 30, 1983. Cash was received in lieu of any fractional shares of stock in each of the seven regional bell operating companies.

  • Ameritech - 10.33%
  • Bell Atlantic - 10.49%
  • BellSouth - 13.53%
  • NYNEX - 9.84%
  • Pacific Telesis Group - 8.88%
  • Southwestern Bell - 9.49%
  • US West - 8.94%

Lucent Technologies, Inc. Spinoff - Sept. 30, 1996

AT&T stockholders of record on Sept. 17, 1996, received a distribution of .324084 shares of common stock of Lucent Technologies, Inc. ("Lucent") on Sept. 30, 1996, for every AT&T share owned. stockholders entitled to a fractional share of Lucent received a cash payment instead. The fractional shares of Lucent were aggregated and sold, with the net proceeds paid as appropriate to those entitled to a fractional share.

NCR Corp. Spinoff - Dec. 31, 1996

AT&T stockholders of record on Dec. 13, 1996, received a distribution of .0625 shares of common stock of NCR Corp. ("NCR") on Dec. 31, 1996, for every AT&T share owned. stockholders entitled to a fractional share of NCR received a cash payment instead. The fractional shares of NCR common stock were aggregated and sold, with the net proceeds paid as appropriate to those entitled to a fractional share.

AT&T 3-for-2 Stock Split - April 15, 1999

As a result of the 3-for-2 stock split on April 15, 1999, AT&T stockholders received one additional share of stock for every 2 shares owned on the record date of March 31, 1999. Cash was received in lieu of any fractional share, unless the stockholder participated in the AT&T Dividend Reinvestment and Stock Purchase Plan (DRSPP) on the record date. In that case, all whole and fractional shares were credited to their DRSPP account.

AT&T Wireless Services, Inc. Split-Off - July 9, 2001

AT&T stockholders of record on June 22, 2001, received a distribution of .3218 shares of common stock of AT&T Wireless Services, Inc. ("AT&T Wireless") on July 9, 2001, for every AT&T share owned. stockholders entitled to a fractional share of AT&T Wireless received a cash payment instead. The fractional shares of AT&T Wireless stock were aggregated and sold, with the net proceeds paid as appropriate to those entitled to a fractional share.

AT&T Broadband Corp. Spinoff and Merger With Comcast Corporation - Nov. 18, 2002

As a result of the spinoff of AT&T Broadband on Nov. 18, 2002, AT&T stockholders of record as of Nov. 15, 2002 (the "Record Date"), were entitled to receive a distribution of 1 share of AT&T Broadband stock for each share of AT&T stock held by such stockholder as of the Record Date (the "Distribution"). All shares of AT&T Broadband stock were converted into shares of Comcast Corporation shortly after the Distribution as a result of the merger of a wholly owned subsidiary of Comcast Corporation with and into AT&T Broadband (the "Merger"). Stockholders entitled to receive a fractional share of Comcast Corporation received a cash payment instead.

AT&T 1-for-5 Reverse Stock Split - Nov. 18, 2002

As a result of the 1-for-5 reverse stock split on Nov. 18, 2002, AT&T stockholders received 1 share of AT&T stock in exchange for every 5 AT&T shares owned on the effective date of Nov. 18, 2002. Cash was received in lieu of any fractional share unless the stockholder participated in the AT&T Dividend Reinvestment and Stock Purchase Plan (DRSPP) on the effective date. In that case, all fractional shares were credited to the DRSPP account, unless your post-reverse split account reflected less than one full share, in which case the post-reverse split fractional share was sold and the proceeds were distributed to the stockholder.

SBC/AT&T Merger - Nov. 18, 2005

As a result of the merger between SBC Communications Inc. and AT&T Corp., AT&T stockholders of record on Nov. 18, 2005 received 0.77942 shares of AT&T Inc. for every share of AT&T Corp. owned. Stockholders entitled to fractional shares of AT&T Inc. common stock received a cash payment instead. The fractional shares of AT&T Inc. were aggregated and sold, with the net proceeds paid as appropriate to those entitled to a fractional share. In addition, old AT&T Corp. paid a special cash dividend of $1.30 per share to old AT&T Corp. stockholders of record on Nov 18, 2005. This special dividend was paid in cash.

Additional details on AT&T Corp. stock events:

AT&T 3-for-1 Stock Split - April 24, 1959

As a result of the 3-for-1 stock split on April 24, 1959, AT&T stockholders received 2 additional shares of stock for every 1 share owned on April 24, 1959.

AT&T 2-for-1 Stock Split - May 28, 1964

As a result of the 2-for-1 stock split on May 28, 1964, AT&T stockholders received 1 additional share of stock for every 1 share owned on May 28, 1964.

Divestiture - Jan. 1, 1984

As a result of the AT&T Divestiture on Jan. 1, 1984 (the "Divestiture"), AT&T stockholders received one share in each of the seven regional bell operating companies for every 10 shares of AT&T owned on the record date of Dec. 30, 1983. Cash was received in lieu of any fractional shares of stock in each of the seven regional bell operating companies.

  • Ameritech - 10.33%
  • Bell Atlantic - 10.49%
  • BellSouth - 13.53%
  • NYNEX - 9.84%
  • Pacific Telesis Group - 8.88%
  • Southwestern Bell - 9.49%
  • US West - 8.94%

Lucent Technologies, Inc. Spinoff - Sept. 30, 1996

AT&T stockholders of record on Sept. 17, 1996, received a distribution of .324084 shares of common stock of Lucent Technologies, Inc. ("Lucent") on Sept. 30, 1996, for every AT&T share owned. stockholders entitled to a fractional share of Lucent received a cash payment instead. The fractional shares of Lucent were aggregated and sold, with the net proceeds paid as appropriate to those entitled to a fractional share.

NCR Corp. Spinoff - Dec. 31, 1996

AT&T stockholders of record on Dec. 13, 1996, received a distribution of .0625 shares of common stock of NCR Corp. ("NCR") on Dec. 31, 1996, for every AT&T share owned. stockholders entitled to a fractional share of NCR received a cash payment instead. The fractional shares of NCR common stock were aggregated and sold, with the net proceeds paid as appropriate to those entitled to a fractional share.

AT&T 3-for-2 Stock Split - April 15, 1999

As a result of the 3-for-2 stock split on April 15, 1999, AT&T stockholders received one additional share of stock for every 2 shares owned on the record date of March 31, 1999. Cash was received in lieu of any fractional share, unless the stockholder participated in the AT&T Dividend Reinvestment and Stock Purchase Plan (DRSPP) on the record date. In that case, all whole and fractional shares were credited to their DRSPP account.

AT&T Wireless Services, Inc. Split-Off - July 9, 2001

AT&T stockholders of record on June 22, 2001, received a distribution of .3218 shares of common stock of AT&T Wireless Services, Inc. ("AT&T Wireless") on July 9, 2001, for every AT&T share owned. stockholders entitled to a fractional share of AT&T Wireless received a cash payment instead. The fractional shares of AT&T Wireless stock were aggregated and sold, with the net proceeds paid as appropriate to those entitled to a fractional share.

AT&T Broadband Corp. Spinoff and Merger With Comcast Corporation - Nov. 18, 2002

As a result of the spinoff of AT&T Broadband on Nov. 18, 2002, AT&T stockholders of record as of Nov. 15, 2002 (the "Record Date"), were entitled to receive a distribution of 1 share of AT&T Broadband stock for each share of AT&T stock held by such stockholder as of the Record Date (the "Distribution"). All shares of AT&T Broadband stock were converted into shares of Comcast Corporation shortly after the Distribution as a result of the merger of a wholly owned subsidiary of Comcast Corporation with and into AT&T Broadband (the "Merger"). Stockholders entitled to receive a fractional share of Comcast Corporation received a cash payment instead.

AT&T 1-for-5 Reverse Stock Split - Nov. 18, 2002

As a result of the 1-for-5 reverse stock split on Nov. 18, 2002, AT&T stockholders received 1 share of AT&T stock in exchange for every 5 AT&T shares owned on the effective date of Nov. 18, 2002. Cash was received in lieu of any fractional share unless the stockholder participated in the AT&T Dividend Reinvestment and Stock Purchase Plan (DRSPP) on the effective date. In that case, all fractional shares were credited to the DRSPP account, unless your post-reverse split account reflected less than one full share, in which case the post-reverse split fractional share was sold and the proceeds were distributed to the stockholder.

SBC/AT&T Merger - Nov. 18, 2005

As a result of the merger between SBC Communications Inc. and AT&T Corp., AT&T stockholders of record on Nov. 18, 2005 received 0.77942 shares of AT&T Inc. for every share of AT&T Corp. owned. Stockholders entitled to fractional shares of AT&T Inc. common stock received a cash payment instead. The fractional shares of AT&T Inc. were aggregated and sold, with the net proceeds paid as appropriate to those entitled to a fractional share. In addition, old AT&T Corp. paid a special cash dividend of $1.30 per share to old AT&T Corp. stockholders of record on Nov 18, 2005. This special dividend was paid in cash.