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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   ----------

                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) of the
                         SECURITIES EXCHANGE ACT OF 1934

        Date of Report (Date of earliest event reported): April 28, 2005

                               COMCAST CORPORATION
             ------------------------------------------------------
             (Exact name of registrant as specified in its charter)


      Pennsylvania                  000-50093               27-0000798
     ----------------           ----------------        ------------------
     (State or other            (Commission file           (IRS employer
     jurisdiction of                 number)             identification no.)
      incorporation)


         1500 Market Street, Philadelphia, PA           19102-2148
        ----------------------------------------        ----------
        (Address of principal executive offices)        (Zip Code)


        Registrant's telephone number, including area code (215) 665-1700

================================================================================

Item 2.02. Results of Operations and Financial Condition On April 28, 2005, Comcast Corporation ("Comcast") issued a press release reporting the results of its operations for the three months ended March 31, 2005. The press release is attached hereto as Exhibit 99.1. Comcast does not intend for this Item 2.02 or Exhibit 99.1 to be treated as "filed" under the Securities Exchange Act of 1934, as amended, or incorporated by reference into its filings under the Securities Act of 1933, as amended. Item 9.01. Exhibits Exhibit 99.1 Comcast Corporation press release dated April 28, 2005.

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Dated: April 28, 2005 COMCAST CORPORATION By: /s/ Lawrence J. Salva ------------------------ Lawrence J. Salva Senior Vice President, Chief Accounting Officer and Controller (Principal Accounting Officer)

                                                                    Exhibit 99.1

[LOGO OF COMCAST]                                                  PRESS RELEASE

Investor Contacts:                         Press Contacts:

Marlene S. Dooner    (215) 981-7392        D'Arcy Rudnay          (215) 981-8582
Leslie A. Arena      (215) 981-8511        Tim Fitzpatrick        (215) 981-8515
Daniel J. Goodwin    (215) 981-7518

                   COMCAST REPORTS FIRST QUARTER 2005 RESULTS

               Consolidated Revenue Increased 9.3% to $5.4 Billion
              Cable Division Revenue Increased 9.7% to $5.1 Billion

          Consolidated Operating Income Increased 31.3% to $866 Million

        Consolidated Operating Cash Flow Increased 17.1% to $2.0 Billion
       Cable Division Operating Cash Flow Increased 15.9% to $2.0 Billion

                    Strong Demand for New Products Continues
    Adds More than 414,000 High-Speed Internet and 200,000 Digital Customers
          Digital Customer Demand Drives 428,000 HDTV and DVR Additions

                                       ***
            Comcast Board of Directors Authorizes $2 Billion Addition
                           To Stock Repurchase Program

Philadelphia, PA - April 28, 2005...Comcast Corporation (Nasdaq: CMCSA, CMCSK)
today reported results for the quarter ended March 31, 2005. Comcast will
discuss first quarter results on a conference call and webcast today at 8:30 AM
Eastern Time. A live broadcast of the conference call will be available on the
investor relations website at www.cmcsa.com and www.cmcsk.com.

Brian L. Roberts, Chairman and CEO of Comcast Corporation said, "We are off to a
great start this year. We are reporting strong revenue growth in our Cable and
Content divisions and more than $2 billion in Operating Cash Flow, representing
growth of more than 17% as compared to the first quarter of 2004. Operating
income increased more than 31% to $866 million. Our strategy of differentiating
our products by adding valuable features is showing continued positive results
with robust Comcast Digital Cable and Comcast High-Speed Internet net additions.
We are striking the right balance with our focus on customer growth and
profitability."

"Our customers are embracing a whole new way to watch television. In March, our
digital television customers viewed more than 100 million ON DEMAND programs.
That is three times the number of programs viewed ON DEMAND in March of last
year and a 40% increase in usage from the fourth quarter of 2004."

"We generated $722 million of Free Cash Flow in the first quarter of 2005,
repurchased $326 million in Comcast stock and continue to make investments to
support our growth and differentiation strategy. I am pleased to announce that
our Board of Directors has authorized a $2 billion addition to our stock
repurchase program, providing $2.3 billion of repurchase capacity. Since
December 2003, we have repurchased $1.7 billion of Comcast stock."

"The first quarter of 2005 demonstrates that we are executing on all fronts,
delivering strong operational and financial results, returning capital to
shareholders, and making investments to support our ongoing growth."

"Comcast has never had more potential for growth or been in a better position to take advantage of those opportunities. We are excited about the future of the cable business and we just announced transactions with Time Warner and Adelphia that will allow us to expand our footprint and accelerate the deployment of our advanced services even further." COMCAST CABLE RESULTS Cable results are presented on a pro forma basis. Pro forma cable results adjust only for certain acquisitions and dispositions and are presented as if the acquisitions and dispositions were effective on January 1, 2004. Please refer to Table 7-A for a reconciliation of pro forma data. Comcast Cable reported revenue of $5.1 billion for the quarter ended March 31, 2005, representing a $453 million or 9.7% increase from the $4.7 billion in the first quarter of 2004. Video revenue increased $178 million or 5.6% to $3.4 billion in the first quarter of 2005, driven by higher monthly revenue per subscriber and an increase in digital cable subscriptions. Comcast Cable added 200,000 new digital customers in the first quarter of 2005 and, with more than 8.8 million subscribers, digital cable penetration reached 41.1% of basic subscribers. Basic cable subscribers declined 29,000 during the first quarter of 2005. Digital cable subscriber and video revenue growth reflect consumers' demand for new digital features and services including Comcast ON DEMAND, high-definition television (HDTV) programming and digital video recorders (DVRs). During the first quarter of 2005, pay-per-view revenue increased more than 18% driven by movie and event purchases through the Comcast ON DEMAND service. Pay-per-view revenues have increased each of the last six quarters reflecting the strong consumer appeal of the ON DEMAND service. At the end of the first quarter of 2005, we had deployed a combined 1.6 million set-top boxes with DVR and/or HDTV programming capability, an increase of more than 1 million in the past year. More than 428,000 or 25% of these advanced set-top boxes were deployed in the first quarter of 2005, generating an incremental $5 to $10 of monthly revenue per box. Comcast High-Speed Internet service revenue increased 32.5% to $925 million in the first quarter of 2005 reflecting strong growth in the number of subscribers and higher average revenue per subscriber. Comcast Cable added 414,000 high-speed Internet customers to finish the first quarter of 2005 with 7.4 million subscribers, representing a penetration rate of 18.3% of available homes. Average monthly revenue per subscriber was $42.81 in the first quarter of 2005, a slight increase from the first quarter of 2004 and a 1.8% increase from the $42.06 reported in the fourth quarter of 2004. Advertising revenue for the first quarter of 2005 increased 9.8% to $296 million reflecting growth of 9.1% in local advertising and growth of 15.4% in regional/national advertising as a result of the continuing success of our regional interconnect strategy. The strong growth in advertising revenue during the first quarter included a decline in political advertising. Advertising growth in 2005 will continue to reflect a significant decline in political advertising when compared to the 2004 election year. Cable phone revenue declined 3.1% from the first quarter of 2004 to $173 million in the first quarter of 2005. The decrease in revenue reflects a decline in cable phone customers during 2004. Comcast Cable reported 4,000 net new cable phone customers in the first quarter of 2005 including the addition of more than 7,000 Comcast Digital Voice customers (Comcast's phone service using IP technology), offset by a decline in the number of Comcast's circuit-switched telephone customers as we transition to focus on marketing Comcast Digital Voice. Cable operating income before depreciation and amortization (Operating Cash Flow) increased 15.9% to $2.0 billion for the quarter from the $1.7 billion reported for the first quarter of 2004. First quarter 2005 Operating Cash Flow margin increased to 39.1% from 37.0% in the first quarter of last year. Cable capital expenditures for the quarter ended March 31, 2005 increased 8.5% to $883 million from the same period last year. The increase in capital expenditures reflects certain capital investments, including equipment for digital simulcasting and our integrated service platform, which will not recur in the latter part of this year, and additional purchases of advanced set-top boxes to meet customer demand. CONTENT Comcast's content segment consists of our national networks E! Entertainment Television and Style Network (E! Networks), The Golf Channel, Outdoor Life Network, G4 and AZN Television (formerly International Channel Networks). 2

Comcast's content segment reported first quarter 2005 revenue of $213 million, a 20.9% increase from the first quarter of 2004 reflecting increases in distribution and advertising revenue for all the networks. The Content segment reported Operating Cash Flow of $77 million, a 12.1% increase from the first quarter of 2004 due primarily to strong growth at The Golf Channel offset by funding of our developing networks. CORPORATE AND OTHER Corporate and Other includes Comcast-Spectacor, corporate overhead and other operations and eliminations between Comcast's businesses. For the quarter ended March 31, 2005, Comcast reported Corporate and Other revenue of $47 million and an Operating Cash Flow loss of $42 million compared to revenue of $86 million and an Operating Cash Flow loss of $55 million in the same period of 2004 reflecting the absence of National Hockey League games in 2005. CONSOLIDATED RESULTS In the first quarter of 2005, the Company reported consolidated revenues of $5.4 billion, a 9.3% increase from the $4.9 billion reported in the same period of 2004. Operating income increased 31.3% to $866 million in the first quarter of 2005 compared to operating income of $659 million in the same period of 2004. Consolidated Operating Cash Flow increased to $2.0 billion, or 17.1%, in the first quarter of 2005 from the $1.7 billion reported in the prior year. Free Cash Flow (described further on Table 4) increased $325 million or 81.9% reflecting higher Operating Cash Flow and capital expenditures, as described above. For the quarter ended March 31, 2005, the Company reported consolidated net income of $313 million, or $0.14 per share compared to a consolidated net income of $65 million, or $0.03 per share in the same period of 2004. As previously disclosed and more fully described in our 2004 Form 10-K, Comcast is liable for a portion of any liabilities of AT&T relating to certain At Home litigation. AT&T is currently involved in advanced settlement discussions, following a mediation, relating to two of the lawsuits. If AT&T reaches a settlement prior to the filing of our Form 10-Q, Comcast would be required to reflect in its first quarter earnings its share of the settlement amount. No assurances can be given that a settlement will be reached or the amount of any such settlement. Final disposition of these lawsuits and the final resolution of Comcast's share of these potential liabilities are not expected to have a material adverse effect on its consolidated financial position but could be material to its consolidated results of operations of any one period. Financial results contained in this press release do not reflect the potential effect of any such settlement. 2005 FINANCIAL OUTLOOK: Comcast updates the following previously issued guidance for 2005: o Consolidated Operating Cash Flow growth of 14% to 15%; up from the previous guidance of at least 12% growth.* o Consolidated capital expenditures will increase by $200 to $300 million over previous guidance of approximately $3 billion due to the strong demand for advanced set-top boxes. Comcast affirms the following previously issued guidance for 2005: o Consolidated revenue growth of approximately 10%. o Total Revenue Generating Unit growth of at least 2.5 million units. o Consolidated Free Cash Flow growth of 35% to 45%.* * Does not include any impact from the adoption of SFAS No. 123R (Accounting for stock-based compensation). ### This press release contains forward-looking statements. Readers are cautioned that such forward-looking statements involve risks and uncertainties that could cause actual events or our actual results to differ materially from those expressed in any such forward-looking statements, including the effect of any settlement reached in the At Home litigation. Readers are directed to Comcast's periodic and other reports filed with the Securities and Exchange Commission for a description of such risks and uncertainties. 3

In this discussion we sometimes refer to financial measures that are not presented according to generally accepted accounting principles (GAAP). Certain of these measures are considered "non-GAAP financial measures" under the Securities and Exchange Commission (SEC) regulations; those rules require the supplemental explanation and reconciliation provided in Table 7 of this release. All percentages are calculated based on actual amounts. Minor differences may exist due to rounding. ### Comcast Corporation will host a conference call with the financial community today April 28, 2005 at 8:30 a.m. Eastern Time (ET). The conference call will be broadcast live on the Company's Investor Relations website at www.cmcsa.com or www.cmcsk.com. A recording of the call will be available on the Investor Relations website starting at 12:30 p.m. ET on Thursday, April 28, 2005. Those parties interested in participating via telephone should dial (847) 413-2408. A telephone replay will begin immediately following the call until Friday, April 29, 2005 at midnight Eastern Time (ET). To access the rebroadcast, please dial (630) 652-3000 and enter passcode number 11274875#. To automatically receive Comcast financial news by email, please visit www.cmcsa.com or www.cmcsk.com and subscribe to e-mail Alerts. Comcast Corporation (Nasdaq: CMCSA, CMCSK) (http://www.comcast.com) is the nation's leading provider of cable, entertainment and communications products and services. With 21.5 million cable customers, 7.4 million high-speed Internet customers, and 1.2 million voice customers, Comcast is principally involved in the development, management and operation of broadband cable networks and in the delivery of programming content. The Company's content networks and investments include E! Entertainment Television, Style Network, The Golf Channel, Outdoor Life Network, G4, AZN Television, PBS KIDS Sprout, TV One and four regional Comcast SportsNets. The Company also has a majority ownership in Comcast-Spectacor, whose major holdings include the Philadelphia Flyers NHL hockey team, the Philadelphia 76ers NBA basketball team and two large multipurpose arenas in Philadelphia. Comcast Class A common stock and Class A Special common stock trade on The NASDAQ Stock Market under the symbols CMCSA and CMCSK, respectively. 4

COMCAST CORPORATION Table 1 Condensed Consolidated Statement of Operations (Unaudited) (amounts in millions, except per share data) Three Months Ended March 31, --------------------------- 2005 2004 ------------ ------------ Revenues $ 5,363 $ 4,908 Operating expenses 1,957 1,869 Selling, general and administrative expenses 1,376 1,306 3,333 3,175 Operating Cash Flow 2,030 1,733 Depreciation expense 874 798 Amortization expense 290 276 1,164 1,074 Operating Income 866 659 Other Income (Expense) Interest expense (444) (500) Investment loss, net (36) (9) Equity in net income (losses) of affiliates 12 (17) Other income 62 7 (406) (519) Income before Income Taxes and Minority Interest 460 140 Income tax expense (140) (76) Income Before Minority Interest 320 64 Minority interest (7) 1 Net Income $ 313 $ 65 Diluted earnings per common share $ 0.14 $ 0.03 Diluted weighted average number of common shares outstanding 2,222 2,268 5

COMCAST CORPORATION TABLE 2 Condensed Consolidated Balance Sheet (Unaudited) (dollars in millions) March 31, December 31, 2005 2004 ------------ ------------ ASSETS CURRENT ASSETS Cash and cash equivalents $ 636 $ 452 Investments 950 1,555 Accounts receivable, net 883 959 Other current assets 461 569 Total current assets 2,930 3,535 INVESTMENTS 12,945 12,812 PROPERTY AND EQUIPMENT, NET 18,738 18,711 FRANCHISE RIGHTS 51,088 51,071 GOODWILL 14,014 14,020 OTHER INTANGIBLE ASSETS, net 3,824 3,851 OTHER NONCURRENT ASSETS, net 699 694 $ 104,238 $ 104,694 LIABILITIES AND STOCKHOLDERS' EQUITY CURRENT LIABILITIES Accounts payable and accrued expenses related to trade creditors $ 1,998 $ 2,041 Accrued expenses and other current liabilities 2,607 2,735 Deferred income taxes 166 360 Current portion of long-term debt 2,638 1,854 Current portion of exchangeable debt 1,217 1,645 Total current liabilities 8,626 8,635 LONG-TERM DEBT, less current portion 19,264 20,039 LONG-TERM EXCHANGEABLE DEBT, less current portion 53 54 DEFERRED INCOME TAXES 26,930 26,815 OTHER NONCURRENT LIABILITIES 7,237 7,261 MINORITY INTEREST 602 468 STOCKHOLDERS' EQUITY 41,526 41,422 $ 104,238 $ 104,694 6

COMCAST CORPORATION TABLE 3 Condensed Consolidated Statement of Cash Flows (Unaudited) (dollars in millions) Three Months Ended March 31, --------------------------- 2005 2004 ------------ ------------ OPERATING ACTIVITIES Net cash provided by operating activities $ 1,332 $ 774 ------------ ------------ FINANCING ACTIVITIES Proceeds from borrowings 225 4 Retirements and repayments of debt (112) (273) Repurchases of common stock and stock options (326) (12) Issuances of common stock and sales of options and put options on common stock 40 22 Other, net 38 8 ------------ ------------ Net cash used in financing activities (135) (251) ------------ ------------ INVESTING ACTIVITIES Capital expenditures (892) (828) Proceeds from sales and restructuring of investments 100 4 Purchases of investments (40) (60) Acquisitions, net of cash acquired - (41) Additions to intangible and other noncurrent assets (180) (305) (Purchases of) proceeds from sales of short-term investments, net (1) 6 Proceeds from settlement of contract of acquired company - 26 ------------ ------------ Net cash used in investing activities (1,013) (1,198) ------------ ------------ INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 184 (675) CASH AND CASH EQUIVALENTS, beginning of period 452 1,550 ------------ ------------ CASH AND CASH EQUIVALENTS, end of period $ 636 $ 875 ============ ============ TABLE 4 Calculation of Free Cash Flow (Unaudited) (1) (dollars in millions) Three Months Ended March 31, --------------------------- 2005 2004 ------------ ------------ Operating Cash Flow $ 2,030 $ 1,733 Interest, Net (2) (404) (447) Cash Paid for Income Taxes (12) (61) Capital Expenditures (892) (828) ------------ ------------ FREE CASH FLOW $ 722 $ 397 ============ ============ Changes in Working Capital and Other Items (3) (282) (451) ------------ ------------ Net Cash Provided by (Used in) Operating Activities Less Capital Expenditures $ 440 $ (54) ------------ ------------ (1) Free Cash Flow is defined as Operating Cash Flow less net interest, cash paid for taxes, and capital expenditures. It is unaffected by fluctuations in working capital levels from period to period and cash payments associated with intangible and other noncurrent assets. Cash payments for intangible and other noncurrent assets include long-term technology license agreements including computer software, long term rights to service multi-dwelling properties and programming content for our cable networks. In 2004, cash payments for intangible assets also included a long-term strategic license agreement with Gemstar of approximately $250 million. (2) Includes interest expense net of interest income and excludes non-cash interest and subsidiary preferred dividends. (3) Free Cash Flow excludes amounts necessary to reconcile Free Cash Flow to "Net Cash Provided by Operating Activities Less Capital Expenditures." In 2005, this amount includes $92 million in cash payments for liabilities recorded as part of the acquisition of AT&T Broadband with the remainder substantially related to reductions in accruals associated with payments of interest and employee compensation and bonuses. In 2004, this amount includes $149 million in cash payments for liabilities recorded as part of the acquisition of AT&T Broadband with the remainder substantially related to reductions in accruals associated with payments of interest and employee compensation and bonuses. 7

COMCAST CORPORATION TABLE 5 Pro Forma Financial Data by Business Segment (Unaudited) (1) (dollars in millions) Corporate and Cable (2) Content (3) Other (4) Total ---------- ---------- -------------- ---------- Three Months Ended March 31, 2005 Revenues $ 5,103 $ 213 $ 47 $ 5,363 Operating Cash Flow $ 1,995 $ 77 $ (42) $ 2,030 Operating Income (Loss) $ 891 $ 32 $ (57) $ 866 Operating Cash Flow Margin 39.1% 36.1% NM 37.9% Capital Expenditures (5) $ 883 $ 4 $ 5 $ 892 Three Months Ended March 31, 2004 Revenues $ 4,650 $ 176 $ 86 $ 4,912 Operating Cash Flow $ 1,721 $ 69 $ (55) $ 1,735 Operating Income (Loss) $ 704 $ 34 $ (77) $ 661 Operating Cash Flow Margin 37.0% 39.0% NM 35.3% Capital Expenditures (5) $ 814 $ 4 $ 10 $ 828 (1) See Non-GAAP and Other Financial Measures in Table 7. Historical financial data by business segment, as required under generally accepted accounting principles, is available in the Company's quarterly report on Form 10-Q. All percentages are calculated based on actual amounts. Minor differences may exist due to rounding. (2) Pro forma financial data includes the results of the 30,000 cable subscribers acquired from US Coastal Cable in April 2004. (3) Content includes our national networks E! Entertainment Television and Style Network (E! Networks), The Golf Channel, Outdoor Life Network, G4 and AZN Television. (4) Corporate and Other includes Comcast-Spectacor, Corporate activities and all other businesses not presented in the Cable or Content segments and elimination entries. Beginning in the third quarter of 2004, Comcast-Spectacor includes the operating results of its investment in a sports-event related business. (5) Our Cable segment's capital expenditures are comprised of the following categories: 1Q05 1Q04 -------- -------- New Service Offerings Customer Premise Equipment (CPE) $ 463 $ 292 Scalable Infrastructure 209 121 672 413 Recurring Capital Projects Line Extensions 64 60 Support Capital 47 89 111 149 Upgrades 100 252 Total $ 883 $ 814 CPE includes costs incurred at the customer residence to secure new customers, revenue units and additional bandwidth revenues (e.g. digital converters). Scalable infrastructure includes costs, not CPE or network related, to secure growth of new customers, revenue units and additional bandwidth revenues or provide service enhancements (e.g. headend equipment). Line extensions include network costs associated with entering new service areas (e.g. fiber/coaxial cable). Support capital includes costs associated with the replacement or enhancement of non-network assets due to obsolescence and wear out (e.g. non-network equipment, land, buildings and vehicles). Upgrades include costs to enhance or replace existing fiber/coaxial cable networks, including recurring betterments. 8

COMCAST CORPORATION TABLE 6 Pro Forma Data - Cable Segment Components (Unaudited) (1) (2) (dollars in millions, except average monthly revenue per subscriber data) Three Months Ended March 31, ---------------------- 2005 2004 ---------- ---------- Revenues: Video (3) $ 3,362 $ 3,184 High-Speed Internet 925 698 Phone 173 179 Advertising 296 269 Other (4) 180 161 Franchise Fees 167 159 Total Revenues $ 5,103 $ 4,650 Operating Cash Flow $ 1,995 $ 1,721 Operating Income $ 891 $ 704 Operating Cash Flow Margin 39.1% 37.0% Capital Expenditures $ 883 $ 814 Operating Cash Flow, Net of Capital Expenditures $ 1,112 $ 907 1Q05 1Q04 4Q04 ---------- ---------- ---------- Video Homes Passed (000's) 41,000 40,100 40,800 Basic Subscribers (000's) 21,525 21,581 21,553 Basic Penetration 52.6% 53.8% 52.8% Quarterly Net Basic Subscriber Additions (000's) (29) 35 60 Digital Subscribers (000's) 8,856 7,859 8,656 Digital Penetration 41.1% 36.4% 40.2% Quarterly Net Digital Subscriber Additions (000's) 200 192 251 Digital Set-Top Boxes 13,365 11,542 12,960 Monthly Average Video Revenue per Basic Subscriber $ 52.04 $ 49.22 $ 50.20 Monthly Average Total Revenue per Basic Subscriber $ 78.99 $ 71.89 $ 77.27 High-Speed Internet "Available" Homes (000's) 40,483 36,167 40,010 Subscribers (000's) 7,408 5,680 6,994 Penetration 18.3% 15.7% 17.5% Quarterly Net Subscriber Additions (000's) 414 394 438 Monthly Average Revenue per Subscriber $ 42.81 $ 42.44 $ 42.06 Phone "Available" Homes (000's)(5) 11,277 9,657 10,437 Subscribers (000's) 1,228 1,247 1,223 Penetration 10.9% 12.9% 11.7% Quarterly Net Subscriber Additions (000's) 4 (20) 10 Monthly Average Revenue per Subscriber $ 47.07 $ 47.34 $ 47.30 Total Revenue Generating Units (000's)(6) 39,017 36,367 38,426 Quarterly Net Additions 589 601 759 (1) See Non-GAAP and Other Financial Measures in Table 7. All percentages are calculated based on actual amounts. Minor differences may exist due to rounding. (2) Pro forma financial and subscriber data includes the results of the 30,000 cable subscribers acquired from US Coastal Cable in April 2004. Pro forma subscriber data includes 60,000 subscribers acquired in various small acquisitions during the periods presented. The impact of these acquisitions on our segment operating results was not material. (3) Video revenues consist of our basic, expanded basic, premium, pay-per-view, equipment and digital services. (4) Other revenues include installation revenues, guide revenues, commissions from electronic retailing, other product offerings, commercial data services and revenues of our digital media center and regional sports programming networks. (5) Available homes includes circuit switched and Comcast Digital Voice homes. (6) The sum total of all basic video, digital video, high-speed Internet and phone subscribers, excluding additional outlets. 9

COMCAST CORPORATION TABLE 7 NON-GAAP AND OTHER FINANCIAL MEASURES Operating Cash Flow is the primary basis used to measure the operational strength and performance of our businesses. Free Cash Flow is an additional performance measure used as an indicator of our ability to repay debt, make investments and return capital to investors, principally through stock repurchases. We use Debt Excluding Exchangeables as a measure of debt that will require cash from future operations or financings. We also adjust certain historical data on a pro forma basis following significant acquisitions or dispositions to enhance comparability. Operating Cash Flow is defined as operating income before depreciation and amortization and impairment charges, if any, related to fixed and intangible assets and gains or losses from the sale of assets, if any. As such, it eliminates the significant level of non-cash depreciation and amortization expense that results from the capital intensive nature of our businesses and intangible assets recognized in business combinations, and is unaffected by our capital structure or investment activities. Our management and Board of Directors use this measure in evaluating our consolidated operating performance and the operating performance of all of our operating segments. This metric is used to allocate resources and capital to our operating segments and is a significant component of our annual incentive compensation programs. We believe that Operating Cash Flow is also useful to investors as it is one of the bases for comparing our operating performance with other companies in our industries, although our measure of Operating Cash Flow may not be directly comparable to similar measures used by other companies. As Operating Cash Flow is the measure of our segment profit or loss, we reconcile it to operating income, the most directly comparable financial measure calculated and presented in accordance with Generally Accepted Accounting Principles (GAAP), in the business segment footnote of our quarterly and annual financial statements. Therefore, we believe our measure of Operating Cash Flow for our business segments is not a "non-GAAP financial measure" as contemplated by Regulation G adopted by the Securities and Exchange Commission. Consolidated Operating Cash Flow is a non-GAAP financial measure. Free Cash Flow, which is a non-GAAP financial measure, is defined as Operating Cash Flow less net interest, cash paid for taxes, and capital expenditures. As such, it is unaffected by fluctuations in working capital levels from period to period and cash payments associated with intangible and other non-current assets which are detailed in our quarterly and annual reports on Forms 10Q/K. We believe that Free Cash Flow is also useful to investors as it is one of the bases for comparing our operating performance with other companies in our industries, although our measure of Free Cash Flow is accrual-based and may not be comparable to similar measures used by other companies. Debt Excluding Exchangeables, which is a non-GAAP financial measure, refers to the aggregate amount of our consolidated debt and capital lease obligations less the amount of notes that are collateralized by securities that we own. Pro forma data is used by management to evaluate performance when significant acquisitions or dispositions occur. Historical data reflects results of acquired businesses only after the acquisition dates while pro forma data enhances comparability of financial information between periods by adjusting the data as if the acquisitions (or dispositions) occurred at the beginning of the prior year. Our pro forma data is only adjusted for the timing of acquisitions and does not include adjustments for costs related to integration activities, cost savings or synergies that have been or may be achieved by the combined businesses. We believe our pro forma data is not a non-GAAP financial measure as contemplated by Regulation G. Operating Cash Flow and Free Cash Flow should not be considered as substitutes for operating income (loss), net income (loss), net cash provided by operating activities or other measures of performance or liquidity reported in accordance with GAAP. Debt Excluding Exchangeables should not be considered as a substitute for Total Debt. Additionally, in the opinion of management, our pro forma data is not necessarily indicative of future results or what results would have been had the acquired businesses been operated by us after the assumed earlier date. Following are quantitative reconciliations of Free Cash Flow, Debt Excluding Exchangeables, Consolidated Operating Cash Flow, and, although not required by Regulation G, reconciliations of business segment Operating Cash Flow and pro forma data. 10

COMCAST CORPORATION TABLE 7-A continued Reconciliation of Historical and Pro Forma Data by Business Segment (Unaudited) (dollars in millions) Historical Adjustments (1) ------------------------------------------------- ----------------------- Corporate Corporate Three Months Ended March 31, 2005 Cable Content and Other Total Cable and Other Pro forma ---------- ---------- ---------- ---------- ---------- ---------- ---------- Revenues $ 5,103 $ 213 $ 47 $ 5,363 -- -- $ 5,363 Operating expenses (excluding depreciation and amortization) 3,108 136 89 3,333 -- -- 3,333 Operating Cash Flow $ 1,995 $ 77 $ (42) $ 2,030 -- -- $ 2,030 Depreciation and amortization 1,104 45 15 1,164 -- -- 1,164 Operating income (loss) $ 891 $ 32 $ (57) $ 866 -- -- $ 866 Capital expenditures $ 883 $ 4 $ 5 $ 892 -- -- $ 892 Adjustments (1) ----------------------- Corporate Corporate Three Months Ended March 31, 2004 Cable Content and Other Total Cable and Other Pro forma ---------- ---------- ---------- ---------- ---------- ---------- ---------- Revenues $ 4,647 $ 176 $ 85 $ 4,908 $ 3 $ 1 $ 4,912 Operating expenses (excluding depreciation and amortization) 2,928 107 140 3,175 1 1 3,177 Operating Cash Flow $ 1,719 $ 69 $ (55) $ 1,733 $ 2 -- $ 1,735 Depreciation and amortization 1,017 35 22 1,074 -- -- 1,074 Operating income (loss) $ 702 $ 34 $ (77) $ 659 $ 2 -- $ 661 Capital expenditures $ 814 $ 4 $ 10 $ 828 -- -- $ 828 Reconciliation of Operating Cash Flow to Free Cash Flow (Unaudited) (dollars in millions) Three Months Ended March 31, ------------------------------------------------- 2005 2004 ----------------------- ----------------------- Operating Cash Flow $ 2,030 $ 2,030 $ 1,733 $ 1,733 Less: Interest, net (2) (404) (404) (447) (447) Cash Paid for Income Taxes (12) (12) (61) (61) Change in Operating Assets and Liabilities, net of acquisitions (88) (439) Other (3) (194) (12) Net Cash Provided by Operating Activities $ 1,332 $ 774 Less: Capital Expenditures (892) (828) Free Cash Flow $ 722 $ 397 Calculation of 2005 Estimated Free Cash Flow (dollars in billions) Free Cash Flow --------------- 2004 Operating Income $ 2.9 Add: Depreciation and Amortization 4.6 2004 Operating Cash Flow 7.5 Less: 2004 Capital Expenditures 3.7 2004 Consolidated Interest, net 1.7 2004 Consolidated Cash Paid for Income Taxes 0.2 2004 Free Cash Flow $ 1.9 2005 Free Cash Flow Growth 35% to 45% Projected 2005 Free Cash Flow $2.6 to $2.8 Reconciliation of Total Debt to Debt Excluding Exchangeables (Unaudited) (dollars in millions) March 31, 2005 December 31, 2004 ----------------- ----------------- Current portion of long-term debt $ 3,855 $ 3,499 Long-term debt 19,317 20,093 Total Debt $ 23,172 $ 23,592 Exchangeable debt 1,270 1,699 Debt excluding exchangeables $ 21,902 $ 21,893 (1) Pro forma data is only adjusted for timing of the acquisitions (or dispositions) and does not include adjustments for costs related to integration activities, cost savings or synergies that have been or may be achieved by the combined businesses. Minor differences may exist due to rounding. (2) Includes interest expense net of interest income and excludes non-cash interest and subsidiary preferred dividends. (3) Includes non-cash expense included in Operating Cash Flow, cash related to other (income) expense, dividends, and the net effect of changes in accrued income taxes. 11