Exhibit 99.7

[AT&T LOGO] 117TH ANNUAL MEETING OF SHAREHOLDERS ADMISSION TICKET
Date, Time, Venue Please present
AT&T Corp. (To Be Determined) this ticket for
c/o Proxy Services admittance of
P.O. Box 9398 shareholder(s)
Boston, MA 02205 named below.

VOTE BY TELEPHONE OR INTERNET

Your telephone or Internet vote authorizes the Proxy Committee to vote your
shares in the same manner as if you marked, signed, and returned your proxy
card. FOR TELEPHONE OR INTERNET VOTING, YOU WILL NEED TO ENTER YOUR INDIVIDUAL
9-DIGIT CONTROL NUMBER LOCATED ABOVE YOUR NAME AND ADDRESS IN THE LOWER LEFT
SECTION OF THE CARD.

<Table>

TELEPHONE: CALL 1-800-273-1174 from any touch-tone telephone...ANYTIME.
- To vote as your Board of Directors recommends on ALL items...PRESS 1.
- If you prefer to vote on each of the 12 items separately.....PRESS 0.

ITEM 1: To vote FOR ALL nominees...PRESS 1; to WITHHOLD FROM ALL nominees...PRESS 9;
to WITHHOLD FROM AN INDIVIDUAL nominee...PRESS 0.

NOMINEES: (01) C.M. Armstrong, (02) J.M. Cook, (03) K.T. Derr, (04) D.W.
Dorman, (05) M.K. Eickhoff, (06) G.M.C. Fisher, (07) F.C. Herringer, (08)
A.B. Hostetter, Jr., (09) S.A. Jackson, (10) D.F. McHenry, (11) C.H. Noski,
(12) L.A. Simpson, (13) M.I. Sovern, (14) S.I. Weill, and (15) T.L. White.

ITEMS 2-12: To vote FOR...PRESS 1; to vote AGAINST...PRESS 9; to ABSTAIN...PRESS 0.

INTERNET: THE WEBSITE IS HTTP://ATT.PROXYVOTING.COM/
</Table>

For your convenience, AT&T is providing shareholders with an opportunity to
electronically access, view, and download the AT&T Annual Report and Proxy
Statement via the AT&T Investor Relations Website at http://www.att.com/ir. With
this fast and easy electronic access feature, shareholders will no longer
receive paper copies of these documents. To sign up for Electronic Access,
please mark the Electronic Access Box below, or follow the instructions provided
when you vote by telephone or Internet.

DETACH CARD IF MAILING. IF YOU HAVE VOTED BY TELEPHONE OR INTERNET,
DO NOT RETURN YOUR PROXY CARD.
- --------------------------------------------------------------------------------
[X] PLEASE MARK ____
VOTES AS IN |
THIS EXAMPLE. |

Your Directors recommend a vote "FOR" items 1, 2, 3, 4, 5, 6, and 7 ...
and "AGAINST" items 8, 9, 10, 11, and 12.

<Table>

WITHHOLD FOR AGAINST ABSTAIN FOR AGAINST ABSTAIN
FOR ALL FROM ALL 4. Approve the 8. Amend Equal
NOMINEES NOMINEES Consumer Services Opportunity
1. Election of Group Tracking Statement [ ] [ ] [ ]
Directors [ ] [ ] Stock [ ] [ ] [ ]
For all nominees EXCEPT as noted 9. Employee Pension
below: 5. Approve the Plan [ ] [ ] [ ]
Consumer Services
-------------------------------- Incentive Plan [ ] [ ] [ ] 10. Future
Restructuring
FOR AGAINST ABSTAIN 6. Approve the Matters [ ] [ ] [ ]
2. Ratification Employee Stock
of Auditors [ ] [ ] [ ] Purchase Plan [ ] [ ] [ ] 11. Severance
Contracts [ ] [ ] [ ]
3. Approve the 7. Approve the
Merger Reverse Stock 12. Executive
Agreement [ ] [ ] [ ] Split [ ] [ ] [ ] Compensation [ ] [ ] [ ]
</Table>

__ __
| |

Electronic [ ]
Access
(I PREFER TO ACCESS
THE ANNUAL REPORT
AND PROXY STATEMENT
ELECTRONICALLY).

I/We plan to [ ]
attend the
Annual Meeting.

Signature(s): ____________________________________________ Date __________, 2002
Please sign this proxy as name(s) appears above and return it promptly whether
or not you plan to attend the annual meeting. If signing for a corporation or
partnership or as agent, attorney or fiduciary, indicate the capacity in which
you are signing. If you do attend the annual meeting and decide to vote by
ballot, such vote will supersede this proxy.

[AT&T Logo] ANNUAL MEETING AGENDA

A.M. Doors Open

Welcome and Introductions, Notice of Meeting, Chairman's
Remarks, Voting Procedure, Election of Directors,
Ratification of Auditors, Directors' Proposals,

Shareholder Proposals, Preliminary Voting Results, General
Discussion, and Adjournment
---------------------------------------------------------------------------

NOTICE OF ANNUAL MEETING OF AT&T SHAREHOLDERS
TO BE HELD ON , 2002

The 117th annual meeting of shareholders of AT&T Corp. will be held at
a.m., local time, on , 2002 at for the following
purposes:

* to elect directors for the ensuing year;

* to ratify the appointment of auditors to examine AT&T's accounts for
the year 2002;

* to approve and adopt the merger agreement by and among AT&T Corp.,
AT&T Broadband Corp., Comcast Corporation, and the other parties
thereto, whereby AT&T Broadband, a new holding company that consists
of our broadband businesses, will be spun off and combined with
Comcast in a new Pennsylvania corporation called "AT&T Comcast
Corporation," and the transactions contemplated by the merger
agreement, including the AT&T Broadband spin-off;

* to approve and adopt an amendment to AT&T's charter to authorize the
creation of AT&T Consumer Services Group tracking stock;

* to approve a new incentive plan to enable AT&T to grant incentive
awards based on shares of AT&T Consumer Services Group tracking stock
to officers and employees of AT&T and its subsidiaries;

* to approve an amendment to AT&T's employee stock purchase plan to
permit the issuance of AT&T Consumer Services Group tracking stock
under the plan;

* to approve an amendment to AT&T's charter to effect a one-for-five
reverse stock split of AT&T common stock at the discretion of the AT&T
Board; and

* to act upon such other matters, including the shareholder proposals
set forth in the proxy statement/prospectus starting on page XIV-16,
as may properly come before the AT&T annual meeting or any adjournment
or postponement thereof.

We describe these items of business more fully in the proxy
statement/prospectus.

Only holders of record of AT&T common stock at the close of business on
, 2002 are entitled to notice of, and to vote at, the annual meeting
or any adjournment or postponement thereof.

BY ORDER OF THE BOARD OF DIRECTORS

/s/ Marilyn J. Wasser
----------------------------------
Marilyn J. Wasser
Vice President -- Law and Secretary

IMPORTANT NOTICE: If you attend the meeting you may be asked to present
valid government-issued photo identification, such as a driver's license
or passport, before being admitted. Cameras, recording devices, and other
electronic devices will not be permitted, and attendees will be subject
to security inspections.

- --------------------------------------------------------------------------------

AT&T CORP. [AT&T LOGO]
32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2412

THIS PROXY IS SOLICITED ON BEHALF OF
THE BOARD OF DIRECTORS FOR THE ANNUAL MEETING ON (TO BE DETERMINED)

P ---------------------------------------------------------------------------

R
The undersigned hereby appoints C.M. Armstrong, C.H. Noski, and M.I.
O Sovern, and each of them, proxies, with the powers the undersigned would
possess if personally present, and with full power of substitution, to vote
X all shares of the undersigned in AT&T Corp. at the annual meeting of
shareholders to be held at (To Be Determined) , and at any
Y adjournment thereof, upon all subjects that may properly come before the
meeting, including the matters described in the proxy statement furnished
with the proxy card, subject to any directions indicated on the
other side of the proxy card. IF NO DIRECTIONS ARE GIVEN, THE PROXIES WILL
VOTE FOR THE ELECTION OF ALL LISTED NOMINEES, UNLESS THE NOMINATION IS
WITHDRAWN AS DESCRIBED IN THE PROXY STATEMENT, AND IN ACCORD WITH THE
DIRECTORS' RECOMMENDATIONS ON THE OTHER SUBJECTS LISTED ON THE OTHER SIDE
OF THE PROXY CARD. IN THE EVENT THAT ANY OTHER MATTER MAY PROPERLY COME
BEFORE THE MEETING, OR ANY ADJOURNMENT THEREOF, THE PROXY COMMITTEE IS
AUTHORIZED, AT THEIR DISCRETION, TO VOTE THE MATTER.

This card also provides voting instructions for shares held in the dividend
reinvestment plan and, if registrations are identical, shares held in the
various employee stock purchase and savings plans as described in the proxy
statement. Your vote for the election of directors may be indicated on the
other side. Nominees are: C.M. Armstrong, J.M. Cook, K.T. Derr, D.W.
Dorman, M.K. Eickhoff, G.M.C. Fisher, F.C. Herringer, A.B. Hostetter, Jr.,
S.A. Jackson, D.F. McHenry, C.H. Noski, L.A. Simpson, M.I. Sovern, S.I.
Weill, and T.L. White. PLEASE SIGN ON THE OTHER SIDE OF THE CARD AND RETURN
IT PROMPTLY TO AT&T CORP., c/o PROXY SERVICES, P.O. BOX 9390, BOSTON, MA
02205-9968. IF YOU DO NOT SIGN AND RETURN A PROXY CARD, VOTE BY TELEPHONE
OR INTERNET, OR ATTEND THE ANNUAL MEETING AND VOTE BY BALLOT, YOUR SHARES
CANNOT BE VOTED.

---------------------------------------------------------------------------

COMMENTS:

---------------------------------------------------------------------------