Filed by AT&T Corp. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 under the Securities Exchange Act of 1934 Subject Company: AT&T Corp. Commission File No. 001-01105 On March 4, 2002, AT&T distributed the following information: (Slide #1) [AT&T Logo] Mike Armstrong Chairman and CEO (Slide #2) Safe Harbor The following are "forward-looking statements" which are based on management's beliefs as well as on a number of assumptions concerning future events made by and information currently available to management. The audiences are cautioned not to put undue reliance on such forward-looking statements, which are not a guarantee of performance and are subject to a number of uncertainties and other factors, many of which are outside AT&T's control, that could cause actual results to differ materially from such statements. For a more detailed description of the factors that could cause such a difference, please see AT&T's filings with the Securities and Exchange Commission. AT&T disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. This information is presented solely to provide additional information to further understand the results of AT&T. Additional Information And Where To Find It On December 19, 2001, AT&T and Comcast agreed to combine AT&T's broadband business with Comcast. In connection with the proposed transactions, AT&T and Comcast will file a joint proxy statement/prospectus with the Securities and Exchange Commission. Investors and security holders are urged to carefully read the joint proxy statement/prospectus regarding the proposed transactions when it becomes available, because it will contain important information. Investors and security holders may obtain a free copy of the joint proxy statement/prospectus (when it is available) and other documents containing information about AT&T and Comcast, without charge, at the SEC's web site at www.sec.gov. Free copies of AT&T's filings may be obtained by directing a request to AT&T Corp., 295 North Maple Avenue, Basking Ridge, NJ 07920, Attention: Investor Relations. Free copies of Comcast's filings may be obtained by directing a request to Comcast Corporation, 1500 Market Street, Philadelphia, Pennsylvania 19102-2148, Attention: General Counsel. Participants In Solicitation AT&T, Comcast and their respective directors, executive officers and other members of their management and employees may be soliciting proxies from their respective stockholders in connection with the proposed merger. Information concerning AT&T's participants in the solicitation is set forth in AT&T's proxy statement for its annual meeting of stockholders, filed with the SEC on March 30, 2001. [AT&T Logo] (Slide #3) [AT&T Logo] (Slide #4) Telecommunications Industry Forces [AT&T Logo] AT&T Is Addressing Industry Changes - Pricing - Moderating Demand - Deregulation - Accounting Issues - Liquidity - Constrained Capital - Substitution [AT&T Logo] (Slide #5) Significant Financial Strength AT&T Consolidated Net Debt(1) (Dollars in Billions) YE00(2) $56.2B YE01 $34.3B Debt Assumed by AT&T Comcast Corp. (~$17.3B/$22.3B*) AT&T has one of the strongest balance sheets and Debt/EBITDA ratios among our telecom services peers (1) Net of monetizations and cash. (2) Includes debt from discounted operations. * $22.3B includes AT&T Comcast's assumption of $5B of Microsoft QUIPS, which are not included in year-end debt numbers presented above. [AT&T Logo] (Slide #6) AT&T Communications Services AT&T Business AT&T Consumer AT&T Broadband $28.0B $15.1B $9.8B Revenue Revenue Revenue $8.4B EBITDA* $4.9B EBITDA* $2.2B EBITDA* $4.4B EBIT* $4.7B EBIT* > 4 Million ~ 60 Million 13.6 Million Customers Customer Customers Relationships *Excluding Other (Expense) Income, Pretax Equity (Losses), Earnings, Business Restructuring and Asset Impairment Charges (Slide #7) AT&T Restructuring Timeline Following our stated strategy... [Timeline below showing order of events from year 2001 through end of year 2002] AT&T Wireless Split Off July 2001 (NYSE: AWE) Proxy Filing First Quarter 2002 Shareholder Vote Mid-2002 Consumer Tracker Distribution Second Half 2002 AT&T Comcast Corp. Closing By Year End 2002 AT&T Business AT&T Consumer Tracker AT&T Comcast ...In line with our original timeframe [AT&T Logo] (Slide #8) AT&T Consumer Services Strategy Maximize Cash Flow Introducing the AT&T Unlimited Plan [Graphic of children playing on personal computer] Increase [Graphic of various types of AT&T prepaid Operating phone cards] Efficiencies AT&T Worldnet service Broaden Service Lines [Graphic showing types of services offered by AT&T - Local Voice Services, Vertical Features, Long Distance Services, Internet Service Provider, High Speed Data Services) (Slide #9) AT&T Business Services Strategy Scale Scope [Graphic showing various large brand names] Depth Leading Provider to Enterprise Customers [AT&T Logo] (Slide #10) Scaling Our Growth Investments [Chart showing various transactions] (Slide #11) Industry Leader - Customer Satisfaction Annual survey of 200 medium and large corporate customers ranked AT&T highest in overall satisfaction Category #1 Ranking High Quality Service [AT&T Logo] AT&T Most Innovative [AT&T Logo] AT&T Most Reliable Service [AT&T Logo] AT&T Best Customer Support [AT&T Logo] AT&T Best Integrated Voice and Data [AT&T Logo] AT&T Best Value for Money [AT&T Logo] AT&T Source: Morgan Stanley Telecommunications Services Survey. Based on 5 of respondents that associate attributes with carriers. (Slide #12) The Leading Broadband Provider [AT&T Broadband Logo] [Graphic of map of United States] 24.6M homes passed, with 84% of customers in top 25 DMAs (Slide #13) Sustained Growth In Advanced Services RGU growth of 2.2 million subscribers over the past four quarters Subscribers in Thousands 7,000 6,000 6.0 M 5,000 4,000 3.8 M* (58% Increase in RGUs) 3,000 2,000 1,000 0 4Q00 4Q01 Sales and RGU growth focus - Leading the industry in RGU growth *Normalized for all closed transactions (Slide #14) [Logo] AT&T Broadband 2002 Initiatives - Customer care - Plant upgrades - Digital Video strategy - Organization structure - Cost reduction (Slide #15) [AT&T Logo] (Slide Number 1) [AT&T Broadband Logo] Ron Cooper Chief Operating Officer March 4, 2002 (Slide Number 2) Safe Harbor The following are "forward-looking statements" which are based on management's beliefs as well as on a number of assumptions concerning future events made by and information currently available to management. The audiences are cautioned not to put undue reliance on such forward-looking statements, which are not a guarantee of performance and are subject to a number of uncertainties and other factors, many of which are outside AT&T's control, that could cause actual results to differ materially from such statements. For a more detailed description of the factors that could cause such a difference, please see AT&T's filings with the Securities and Exchange Commission. AT&T disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. This information is presented solely to provide additional information to further understand the results of AT&T. On December 19, 2001, AT&T and Comcast agreed to combine AT&T's broadband business with Comcast. In connection with the proposed transactions, AT&T and Comcast will file a joint proxy statement/prospectus with the Securities and Exchange Commission. Investors and security holders are urged to carefully read the joint proxy statement/prospectus regarding the proposed transactions when it becomes available, because it will contain important information. Investors and security holders may obtain a free copy of the joint proxy statement/prospectus (when it is available) and other documents containing information about AT&T and Comcast, without charge, at the SEC's web site at www.sec.gov. Free copies of AT&T's filings may be obtained by directing a request to AT&T Corp., 295 North Maple Avenue, Basking Ridge, NJ 07920, Attention: Investor Relations. Free copies of Comcast's filings may be obtained by directing a request to Comcast Corporation, 1500 Market Street, Philadelphia, Pennsylvania 19102-2148, Attention: General Counsel. AT&T, Comcast and their respective directors, executive officers and other members of their management and employees may be soliciting proxies from their respective stockholders in connection with the proposed merger. Information concerning AT&T's participants in the solicitation is set forth in AT&T's proxy statement for its annual meeting of stockholders, filed with the SEC on March 30, 2001. [AT&T Broadband Logo] (Slide Number 3) Broadband Update - Implementing our plan - Positive momentum in the business - HSD platform in place for continued growth - Telephony expected to reach EBITDA break-even in 1Q02 - 2002 Focus - Customer Care - Plant upgrades - Digital Video strategy - Organization structure - Cost reduction [AT&T Broadband Logo] (Slide Number 4) Sustained Growth in Advanced Services RGU growth of 2.2 million subscribers over the past four quarters Subscribers in thousands 7,000 6,000 X (6.0 M) 5,000 4,000 X (3.8 M) 3,000 2,000 1,000 0 4Q00 4Q01 [Chart depicting 58% Increase in RGUs] Led industry in RGUs per basic subscriber in 2001 Normalized for all closed transactions [AT&T Broadband Logo] (Slide Number 5) - Improved platform for HSD - PlatformMigrations - @Home migration - 900K subs complete - Roadrunner migration - 600K subs nearly complete - New Network Provides: - Improved cost structure - Capability to offer Multiple ISPs - Flexibility for Tiering - 1.5 million HSD customers - plan to increase 2002 net adds over 2001 level New Platform for Continued Growth [AT&T Broadband Logo] (Slide Number 6) Broadband's Distinctive Value Driver is Telephony - Over 1 Million subscribers - plan to grow customer additions in 2002 - ARPU grew to nearly $55 - Telephony expected to break-even in 1Q02 - Overall penetration of 14.8%, 55 communities exceed 25% penetration - Anticipate significant new marketable homes in 2H02 Delivering a competitive customer alternative [AT&T Broadband Logo] (Slide Number 7) Telephony Expected to Reach Break-Even in 1Q02 - Product scaling has improved cost structure - Process consolidation and streamlining improved centralized costs - Operational improvements reduced variable costs [Chart] 2001 Monthly Revenue/Subscriber ($) 80 60 X 60 X 58 (1) X 55 X 53 X 50 X 48 X 45 X 42 40 20 0 |------------29% increase----------| Q100 Q200 Q300 Q400 1Q01 2Q01 3Q01 4Q01 (1) Adjusted for one-time access revenue allocation. % calculated from 4Q00 to 4Q01. [Chart] 2001 Monthly Expense/Subscriber ($) 350 X 329 300 250 X 247 200 X 188 X 156 150 X 123 100 X 94 X 76 X 63 50 0 |--------------60% Decrease----------| 1Q00 2Q00 3Q00 4Q00 1Q01 2Q01 3Q01 4Q01 [AT&T Broadband Logo] (Slide Number 8) Telephony Ahead of Original Plan Original Today Services (5 yr Plan) (1) (2.5 yrs into Plan) -------- ----------- ------------------- Break Even/Margin 4Q02 1Q02 Penetration 30% 14.8% at 4Q01 ARPU ~ $50 $55 at 4Q01 Capex per Customer $750 $650 Telephony is expected to contribute to EBITDA growth in 2002 (1) Announced as of June 1998, at the time of the TCI merger announcement. The starting point for the original plan projections were the first telephony trials, which started in late 1999. [AT&T Broadband Logo] (Slide Number 9) Customer Care - Actions taken: - Increased staffing levels - Increased training - 2002 Objectives: - Establish sales oriented culture - Review outsourcing relationships - Reduce call volumes through e-care, self help, and IVR - Integrate care across product lines [AT&T Broadband Logo] (Slide Number 10) Network Upgrades: Full-Service Capable Homes - Plan is 80% is greater than or equal to 550 MHz by YE02 - Plan is 70% is greater than or equal to 750 MHz by YE02 - Over $1B budgeted for rebuild/upgrade in 2002 100% Digital Ready (100%) 80% ------------------- | 70%+ By 2002 | ------------------- Data Ready (62%) 60% ------------------- 40% | 40%+ By 2002 | ------------------- Telephony Ready (34%) 20% Note: Dotted line indicates YE 2002 estimate. [AT&T Broadband Logo] (Slide Number 11) Improve Digital Performance - 3.5 million Digital subscribers....26% penetration - Re-packaging Digital offer for new customers in 2002 - Expect an increase in Digital profitability Digital Penetration Digital Penetration in Established Markets in Recently Launched Markets 50% 50% X 44% 40% 40% X 35% X 33% 30% 30% X 23% X 23% X 22% 20% 20% 10% 10% 0% 0% Dallas Denver SLC Boston LA Florida [AT&T Broadband Logo] (Slide Number 12) Organization, Staffing and Accountability - Organizational and operational changes - Implemented strong leadership in the markets - Aligned organizational goals and objectives - Decentralized functions to better serve the customer - Restructuring charge in 1Q02 - Decentralization....HQ downsizing - $50M - $100M charge Entrepreneurial, Customer Focused, and Accountable [AT&T Broadband Logo] (Slide Number 13) Summary - Clear path for 2002 - Measures already taken to... - Establish simple, clear decision-making - Accelerate plant upgrades - Repackage and re-price Digital Video product - Increase customer satisfaction - Improve financial performance [AT&T Broadband Logo]