QuickLinks -- Click here to rapidly navigate through this document

---

---

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 10-Q

(Mark One)
ý	Quarterly Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the Quarterly Period Ended:
JUNE 30, 2005
OR
o	Transition Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 for the Transition Period from              to             .

Commission File Number 000-50093

---

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

PENNSYLVANIA (State or other jurisdiction of incorporation or organization)

27-0000798 (I.R.S. Employer Identification No.)

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

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

---

        Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding twelve months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such requirements for the past 90 days.

Yes ý No o

---

        Indicate by check mark whether the registrant is an accelerated filer (as defined in Rule 12-b2 of the Exchange Act).    Yes ý    No o

        As of June 30, 2005, there were 1,361,953,722 shares of our Class A Common Stock, 824,577,206 shares of our Class A Special Common Stock and 9,444,375 shares of our Class B Common Stock outstanding.

---

---

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

TABLE OF CONTENTS

						Page Number
PART I.    FINANCIAL INFORMATION
		ITEM 1.		Financial Statements
				Condensed Consolidated Balance Sheet as of June 30, 2005 and December 31, 2004 (Unaudited)		2
				Condensed Consolidated Statement of Operations for the Three and Six Months Ended June 30, 2005 and 2004 (Unaudited)		3
				Condensed Consolidated Statement of Cash Flows for the Six Months Ended June 30, 2005 and 2004 (Unaudited)		4
				Notes to Condensed Consolidated Financial Statements (Unaudited)		5
		ITEM 2.		Management's Discussion and Analysis of Financial Condition and Results of Operations		29
		ITEM 3.		Quantitative and Qualitative Disclosures About Market Risk		38
		ITEM 4.		Controls and Procedures		38
PART II.    OTHER INFORMATION
		ITEM 1.		Legal Proceedings		38
		ITEM 2.		Unregistered Sales of Equity Securities and Use of Proceeds		38
		ITEM 4.		Submission of Matters to a Vote of Security Holders		39
		ITEM 6.		Exhibits		40
		SIGNATURES				41

---

        This Quarterly Report on Form 10-Q is for the three and six months ended June 30, 2005. This Quarterly Report modifies and supersedes documents filed prior to this Quarterly Report. The SEC allows us to "incorporate by reference" information that we file with them, which means that we can disclose important information to you by referring you directly to those documents. Information incorporated by reference is considered to be part of this Quarterly Report. In addition, information that we file with the SEC in the future will automatically update and supersede information contained in this Quarterly Report. Throughout this Quarterly Report, we refer to Comcast Corporation as "Comcast"; Comcast and its consolidated subsidiaries as "we," "us" and "our"; and Comcast Holdings Corporation as "Comcast Holdings."

        You should carefully review the information contained in this Quarterly Report and particularly consider any risk factors that we set forth in this Quarterly Report and in other reports or documents that we file from time to time with the SEC. In this Quarterly Report, we state our beliefs of future events and of our future financial performance. In some cases, you can identify these so-called "forward-looking statements" by words such as "may," "will," "should," "expects," "plans," "anticipates," "believes," "estimates," "predicts," "potential," or "continue," or the negative of these words, and other comparable words. You should be aware that these statements are only our predictions. In evaluating these statements, you should specifically consider various factors, including the risks and uncertainties outlined below. Actual events or our actual results may differ materially from any of our forward-looking statements.

        Our businesses may be affected by, among other things, the following:

•

All of the services offered by our cable systems face a wide range of competition that could adversely affect our future results of operations



•

Programming costs are increasing, which could adversely affect our future results of operations



•

We are subject to regulation by federal, state and local governments, which may impose costs and restrictions



•

We may face increased competition because of technological advances and new regulatory requirements, which could adversely affect our future results of operations



•

We face risks arising from the outcome of various litigation matters, including litigation associated with our acquisition of AT&T's Broadband operations



•

Our Chairman and CEO has considerable influence over our operations

        For a more detailed explanation of the factors affecting our businesses, please refer to the Risk Factors section in Item 1 of our 2004 Form 10-K.

1

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

PART I.    FINANCIAL INFORMATION

ITEM I.    FINANCIAL STATEMENTS

CONDENSED CONSOLIDATED BALANCE SHEET
(Unaudited)

					(Dollars in millions, except share data)
					June 30, 2005			December 31, 2004
ASSETS
CURRENT ASSETS
	Cash and cash equivalents				$	1,335		$	452
	Investments					848			1,555
	Accounts receivable, less allowance for doubtful accounts of $141 and $132					1,031			959
	Other current assets					570			569
			Total current assets			3,784			3,535
INVESTMENTS						13,208			12,812
PROPERTY AND EQUIPMENT, net of accumulated depreciation of $10,981 and $9,416						18,797			18,711
FRANCHISE RIGHTS						51,075			51,071
GOODWILL						14,118			14,020
OTHER INTANGIBLE ASSETS, net of accumulated amortization of $4,059 and $3,452						3,658			3,851
OTHER NONCURRENT ASSETS, net						707			694
					$	105,347		$	104,694
LIABILITIES AND STOCKHOLDERS' EQUITY
CURRENT LIABILITIES
	Accounts payable and accrued expenses related to trade creditors				$	2,042		$	2,041
	Accrued expenses and other current liabilities					2,663			2,735
	Deferred income taxes					110			360
	Current portion of long-term debt					4,384			3,499
			Total current liabilities			9,199			8,635
LONG-TERM DEBT, less current portion						19,746			20,093
DEFERRED INCOME TAXES						26,995			26,815
OTHER NONCURRENT LIABILITIES						7,310			7,261
MINORITY INTEREST						679			468
COMMITMENTS AND CONTINGENCIES (NOTE 10)
STOCKHOLDERS' EQUITY
Preferred stock—authorized 20,000,000 shares; issued, zero						—			—
Class A common stock, $0.01 par value—authorized, 7,500,000,000 shares; issued,     1,605,594,222 and 1,603,320,864; outstanding, 1,361,953,722 and 1,359,680,364						16			16
Class A Special common stock, $0.01 par value—authorized, 7,500,000,000 shares;     issued 871,867,049 and 890,234,413; outstanding, 824,577,206 and 842,944,570						9			9
Class B common stock, $0.01 par value—authorized, 75,000,000 shares; issued and     outstanding, 9,444,375						—			—
Additional capital						43,904			44,142
Retained earnings						5,160			4,891
Treasury stock, 243,640,500 Class A common shares and 47,289,843 Class A Special common shares						(7,517	)		(7,517	)
Accumulated other comprehensive loss						(154	)		(119	)
			Total stockholders' equity			41,418			41,422
					$	105,347		$	104,694

See notes to condensed consolidated financial statements.

2

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005
CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS
(Unaudited)

			(Dollars in millions, except per share data)
			Three Months Ended June 30,						Six Months Ended June 30,
			2005			2004			2005			2004
REVENUES			$	5,598		$	5,066		$	10,961		$	9,974
COSTS AND EXPENSES
	Operating (excluding depreciation)			1,944			1,794			3,901			3,663
	Selling, general and administrative			1,445			1,320			2,821			2,626
	Depreciation			891			813			1,765			1,611
	Amortization			270			287			560			563
				4,550			4,214			9,047			8,463
OPERATING INCOME				1,048			852			1,914			1,511
OTHER INCOME (EXPENSE)
	Interest expense			(467	)		(484	)		(911	)		(984	)
	Investment income, net			176			151			140			142
	Equity in net losses of affiliates			(16	)		(20	)		(4	)		(37	)
	Other income (expense)			30			12			(78	)		19
				(277	)		(341	)		(853	)		(860	)
INCOME BEFORE INCOME TAXES AND MINORITY INTEREST				771			511			1,061			651
INCOME TAX EXPENSE				(331	)		(234	)		(471	)		(310	)
INCOME BEFORE MINORITY INTEREST				440			277			590			341
MINORITY INTEREST				(10	)		(15	)		(17	)		(14	)
NET INCOME			$	430		$	262		$	573		$	327
BASIC EARNINGS FOR COMMON STOCKHOLDERS PER COMMON SHARE			$	0.19		$	0.12		$	0.26		$	0.14
DILUTED EARNINGS FOR COMMON STOCKHOLDERS PER COMMON SHARE			$	0.19		$	0.12		$	0.26		$	0.14

See notes to condensed consolidated financial statements.

3

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005
CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS
(Unaudited)

							(Dollars in millions)
							Six Months Ended June 30,
							2005			2004
OPERATING ACTIVITIES
	Net income						$	573		$	327
	Adjustments to reconcile net income to net cash provided by operating activities:
		Depreciation						1,765			1,611
		Amortization						560			563
		Non-cash interest expense, net						21			25
		Equity in net losses of affiliates						4			37
		Losses (gains) on investments and other (income) expense, net						(172	)		(125	)
		Non-cash contribution expense						6			23
		Minority interest						17			14
		Deferred income taxes						(66	)		155
		Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
			Change in accounts receivable, net					(68	)		(8	)
			Change in accounts payable and accrued expenses related to trade creditors					1			(236	)
			Change in other operating assets and liabilities					(124	)		247
					Net cash provided by operating activities			2,517			2,633
FINANCING ACTIVITIES
	Proceeds from borrowings							1,495			1,058
	Retirements and repayments of debt							(279	)		(1,617	)
	Issuances of common stock							59			38
	Repurchases of common stock							(660	)		(511	)
	Other							83			8
			Net cash provided by (used in) financing activities					698			(1,024	)
INVESTING ACTIVITIES
	Capital expenditures							(1,842	)		(1,732	)
	Proceeds from sales and restructuring of investments							317			51
	Purchases of investments							(305	)		(106	)
	Acquisitions, net of cash acquired							(134	)		(336	)
	Additions to intangible and other noncurrent assets							(305	)		(453	)
	Purchases of short-term investments, net							(63	)		(15	)
	Proceeds from settlement of contract of acquired company							—			26
			Net cash used in investing activities					(2,332	)		(2,565	)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS								883			(956	)
CASH AND CASH EQUIVALENTS, beginning of period								452			1,550
CASH AND CASH EQUIVALENTS, end of period							$	1,335		$	594

See notes to condensed consolidated financial statements.

4

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

Basis of Presentation

We have prepared these unaudited condensed consolidated financial statements based upon Securities and Exchange Commission ("SEC") rules that permit reduced disclosure for interim periods.

These financial statements include all adjustments that are necessary for a fair presentation of our financial condition, results of operations and cash flows for the interim periods shown, including normal recurring accruals and other items. The results of operations for the interim periods presented are not necessarily indicative of results for the full year.

For a more complete discussion of our accounting policies and certain other information, refer to our annual financial statements for the preceding fiscal year as filed with the SEC.

Reclassifications

Certain reclassifications have been made to the prior year financial statements to conform to those classifications used in 2005.

2. RECENT ACCOUNTING PRONOUNCEMENTS

SFAS No. 123R

In December 2004, the Financial Accounting Standards Board ("FASB") issued Statement of Financial Accounting Standards ("SFAS") No. 123 (revised 2004), "Share-Based Payment" ("SFAS No. 123R"), which replaces SFAS No. 123, "Accounting for Stock-Based Compensation" ("SFAS No. 123") and supersedes Accounting Principles Board ("APB") Opinion No. 25, "Accounting for Stock Issued to Employees" ("APB No. 25"). SFAS No. 123R requires all share-based payments to employees, including grants of employee stock options, to be recognized in the financial statements based on their fair values, beginning with the next fiscal year that begins after June 15, 2005, with early adoption encouraged. In addition, SFAS No. 123R will cause unrecognized expense (based on the amounts in our pro forma footnote disclosure) related to options vesting after the date of initial adoption to be recognized as a charge to results of operations over the remaining vesting period. We are required to adopt SFAS No. 123R beginning January 1, 2006. Under SFAS No. 123R, we must determine the appropriate fair value model to be used for valuing share-based payments, the amortization method for compensation cost and the transition method to be used at the date of adoption. The transition alternatives include prospective and retroactive adoption methods. Under the retroactive methods, prior periods may be retroactively adjusted either as of the beginning of the year of adoption or for all periods presented. The prospective method requires that compensation expense be recorded for all unvested stock options and share awards at the beginning of the first quarter of adoption of SFAS No. 123R, while the retroactive methods would record compensation expense for all unvested stock options and share awards beginning with the first period retroactively adjusted. We are evaluating the requirements of SFAS No. 123R, and we expect that the adoption of SFAS No. 123R will have a material impact on our consolidated results of operations and earnings per share. We have not determined the date or method of adoption or the effect of adopting SFAS No. 123R.

5

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

FIN No. 47

In March 2005, the FASB issued FASB Interpretation ("FIN") No. 47 "Accounting for Conditional Asset Retirement Obligations—an Interpretation of FASB Statement No. 143" ("FIN No. 47"). FIN No. 47 clarifies the timing of liability recognition for legal obligations associated with the retirement of a tangible long-lived asset when the timing and/or method of settlement are conditional on a future event. FIN No. 47 is effective for us no later than December 31, 2005. We do not expect that the adoption of FIN No. 47 will have a material impact on our consolidated financial condition or results of operations.

SFAS No. 153

In December 2004, the FASB issued SFAS No. 153, "Exchanges of Nonmonetary Assets—an amendment of APB Opinion No. 29" ("SFAS No. 153"). The guidance in APB Opinion No. 29, "Accounting for Nonmonetary Transactions" ("APB No. 29"), is based on the principle that exchanges of nonmonetary assets should be measured based on the fair value of the assets exchanged. The guidance in APB Opinion No. 29, however, included certain exceptions to that principle. SFAS No. 153 amends APB Opinion No. 29 to eliminate the exception for nonmonetary exchanges of similar productive assets and replaces it with a general exception for exchanges of nonmonetary assets that do not have commercial substance. SFAS No. 153 is effective for such exchange transactions occurring in fiscal periods beginning after June 15, 2005.

SFAS No. 154

In May 2005, the FASB issued SFAS No. 154, "Accounting Changes and Error Corrections—a replacement of APB Opinion No. 20 and FASB Statement No. 3" ("SFAS No. 154"). This Statement replaces APB Opinion No. 20, "Accounting Changes" and FASB Statement No. 3, "Reporting Accounting Changes in Interim Financial Statements," and changes the requirements for the accounting for and reporting of a change in accounting principle. SFAS No. 154 applies to all voluntary changes in an accounting principle. It also applies to changes required by an accounting pronouncement in the unusual instance that the pronouncement does not include specific transition provisions. When a pronouncement includes specific transition provisions, those provisions should be followed. SFAS No. 154 is effective for accounting changes and error corrections occurring in fiscal years beginning after December 15, 2005.

3. EARNINGS PER SHARE

Basic earnings (loss) per common share ("Basic EPS") is computed by dividing net income (loss) for common stockholders by the weighted average number of common shares during the period.

Our potentially dilutive securities include potential common shares related to our stock options, restricted stock and Comcast exchangeable notes (see Note 7). Diluted earnings for common stockholders per common share ("Diluted EPS") considers the impact of potentially dilutive securities except in periods in which there is a loss because the inclusion of the potential common shares would have an antidilutive effect.

6

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Diluted EPS excludes the impact of potential common shares related to our stock options in periods in which the option exercise price is greater than the average market price of our Class A common stock and our Class A Special common stock for the period. Diluted EPS excludes the impact of potential common shares related to our Class A Special common stock held in treasury because it is our intent to settle the related Comcast exchangeable notes using cash.

Diluted EPS for the three and six months ended June 30, 2005, excludes approximately 90 million and 78 million potential common shares, respectively, and Diluted EPS for the three and six months ended June 30, 2004, excludes approximately 108 million and 93 million potential common shares, respectively, related to our stock plans because the option exercise price was greater than the average market price of our Class A common stock and our Class A Special common stock for the period.

The following table reconciles the numerator and denominator of the computations of Diluted EPS for common stockholders for the interim periods presented:

			(Amounts in millions, except per share data) Three Months Ended June 30,
			2005								2004
			Income			Shares		Per Share Amount			Income		Shares		Per Share Amount
Basic EPS for common stockholders			$	430		2,207		$	0.19		$262		2,257		$0.12
Effect of dilutive securities:
	Assumed exercise or issuance of shares relating to stock plans					14							10
Diluted EPS			$	430		2,221		$	0.19		$262		2,267		$0.12

			(Amounts in millions, except per share data) Six Months Ended June 30,
			2005								2004
			Income			Shares		Per Share Amount			Income		Shares		Per Share Amount
Basic EPS for common stockholders			$	573		2,211		$	0.26		$327		2,257		$0.14
Effect of dilutive securities:
	Assumed exercise or issuance of shares relating to stock plans					13							11
Diluted EPS			$	573		2,224		$	0.26		$327		2,268		$0.14

4. ACQUISITIONS AND OTHER SIGNIFICANT EVENTS

Motorola

On March 31, 2005, we entered into a strategic alliance with Motorola, Inc. whereby we will jointly develop next-generation conditional access software for cable networks and related products and market such products to other equipment manufacturers and cable companies through the creation of two ventures. Under the agreements, in addition to funding approximately 50% of the annual cost requirements of the ventures, we have paid, through the ventures, $20 million to Motorola and committed up to $80 million in cash, also to be paid through the ventures, over a four-year period to Motorola based on the achievement of certain milestones. Motorola contributed licenses to conditional access and related technology for their ownership in these entities.

7

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

These two ventures are both considered variable interest entities under FASB Interpretation No. 46, "Consolidation of Variable Interest Entities," and we have consolidated both of these ventures since we are the primary beneficiary. Accordingly, we have recorded approximately $190 million in intangible assets, of which we recorded a charge of approximately $20 million related to in-process research and development in the first quarter that has been included in amortization expense. These amounts are based on a preliminary valuation estimate of the intangibles contributed to the joint ventures, and these intangibles, including in-process research and development, are subject to further adjustment as final valuations are obtained.

MGM

On April 8, 2005, we completed a transaction with a consortium of investors to acquire Metro-Goldwyn-Mayer Inc. We acquired our 20% interest for approximately $250 million in cash. We are accounting for this investment under the equity method of accounting.

Broadband Exit Activities

In connection with the purchase price allocation of AT&T Broadband in 2002 (the "Broadband acquisition"), we recorded approximately $1.5 billion of liabilities associated with exit activities and employee termination accruals. Remaining amounts under these accruals as of December 31, 2004, totaled $75 million. Payments under these liabilities are expected to continue over the next six years.

5. INVESTMENTS

8

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

As of December 31, 2004, TWE Holdings II Trust (the "Trust"), a Delaware statutory trust whose beneficial interest is indirectly wholly held by Comcast, beneficially owned one share of Time Warner Inc. ("TW") Series A Mandatorily Convertible Preferred Stock (the "Preferred Stock"). We accounted for the Preferred Stock as a cost method investment with a carrying value of $1.5 billion as of December 31, 2004. On March 31, 2005, the Preferred Stock was converted into 83,835,883 shares of TW common stock (the "TW Stock Conversion"). We recorded the TW common stock received at its fair value of approximately $1.471 billion at the date of the TW Stock Conversion and recognized an investment loss of approximately $29 million, representing the difference between the fair value of the TW common stock on the date it was converted and the carrying amount of our investment in the Preferred Stock. We have designated our investment in the TW common stock as an available for sale security.

Fair Value Method

We hold unrestricted equity investments, which we account for as available for sale or trading securities, in publicly traded companies. Our investments in Liberty Media Corporation, Liberty Global, Inc. (formerly known as Liberty Media International, Inc. ("Liberty Global"), Microsoft, Sprint and Vodafone, and approximately 44% of our investment in Cablevision, are accounted for as trading securities. The net unrealized pre-tax gains/(losses) on investments accounted for as available for sale securities as of June 30, 2005, and December 31, 2004, of $(23) million and $26 million, respectively, have been reported in our consolidated balance sheet as a component of accumulated other comprehensive loss, net of related deferred income taxes of $(8) million and $9 million, respectively.

The cost, fair value and unrealized gains and losses related to our available for sale securities are as follows (dollars in millions):

In February 2005, we entered into a 10 year prepaid forward sale of approximately 2.7 million shares of Liberty Global Series A common stock for proceeds of $99 million.

In June 2005, we, through a majority owned partnership, entered into a seven year, seven month prepaid forward sale of approximately 5.1 million shares of Cablevision Class A Common Stock for proceeds of $114 million. We have designated the derivative component of the prepaid forward as a fair value hedge of the related Cablevision shares. Accordingly, the mark to market adjustment on the 56% of the Cablevision shares held by the partnership and classified as available for sale securities will be recorded to investment income, net over the term of the prepaid forward.

9

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Investment Income, Net

Investment income, net for the interim periods includes the following (dollars in millions):

			Three Months Ended June 30,						Six Months Ended June 30,
			2005			2004			2005			2004
Interest and dividend income			$	24		$	27		$	51		$	45
Gains (losses) on sales and exchanges of investments, net				—			(1	)		(28	)		1
Investment impairment losses				(3	)		(3	)		(3	)		(3	)
Unrealized gains (losses) on trading securities and hedged items				83			(53	)		(94	)		(227	)
Mark to market adjustments on derivatives related to trading securities and hedged items				43			200			198			255
Mark to market adjustments on derivatives				29			(19	)		16			71
	Investment income, net		$	176		$	151		$	140		$	142

6. GOODWILL

        The changes in the carrying amount of goodwill by business segment (see Note 11) for the period presented are as follows (dollars in millions):

7. LONG-TERM DEBT

The Cross-Guarantee Structure

We and a number of our wholly-owned subsidiaries that hold substantially all of our cable assets have unconditionally guaranteed each other's debt securities and indebtedness for borrowed money. As of June 30, 2005, $21.450 billion of our debt was included in the cross-guarantee structure.

10

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Comcast Holdings is not a guarantor, and none of its debt is guaranteed under the cross-guarantee structure. As of June 30, 2005, $906 million of our debt was outstanding at Comcast Holdings.

Senior Notes Offering

In June 2005, we issued $1.5 billion of notes consisting of $750 million of 4.95% notes due 2016 and $750 million of 5.65% notes due 2035. We used the net proceeds of this offering for working capital and general corporate purposes, including repayment of existing indebtedness.

Debt Redemption

In June 2005, we gave notice to holders of our 9.5% Senior Notes due 2013 with an aggregate principal amount of $525 million that we will redeem the notes on August 1, 2005 at a premium of 4.75% over par. We have classified the notes as long-term in our consolidated balance sheet as of June 30, 2005, because we have both the ability and intent, if necessary, to finance the redemption with long-term borrowings.

Lines and Letters of Credit

As of June 30, 2005, we and certain of our subsidiaries had unused lines of credit of $3.951 billion under respective credit facilities.

As of June 30, 2005, we and certain of our subsidiaries had unused irrevocable standby letters of credit totaling approximately $402 million to cover potential fundings under various agreements.

Notes Exchangeable into Common Stock

As of June 30, 2005, our Microsoft, Vodafone and Comcast exchangeable notes (the "Exchangeable Notes") are mandatorily redeemable at our option into shares of (a) Microsoft common stock or its cash equivalent; (b)(i) Vodafone ADRs, (ii) the cash equivalent, or (iii) a combination of cash and Vodafone ADRs; and (c) Comcast Class A Special common stock or its cash equivalent, respectively. The maturity value of the Exchangeable Notes varies based upon the fair market value of the security to which it is indexed. Our Exchangeable Notes are collateralized by our investments in Microsoft and Vodafone, respectively, and the Comcast Class A Special common stock held in treasury (see Note 5).

During the three and six months ended June 30, 2005, we settled an aggregate of $176 million face amount and $572 million face amount, respectively, of our obligations relating to our Cablevision and Vodafone exchangeable notes by delivering the underlying shares or ADRs to the counterparties upon maturity of the instruments, and the equity collar agreements related to the underlying securities were exercised. The Cablevision and Vodafone transactions represented non-cash investing and financing activities and had no effect on our statement of cash flows due to their non-cash nature.

As of June 30, 2005, the securities we held collateralizing the Exchangeable Notes were sufficient to satisfy the debt obligations associated with the outstanding Exchangeable Notes (see Notes 5 and 9).

11

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

ZONES

At maturity, holders of our 2.0% Exchangeable Subordinated Debentures due 2029 (the "ZONES") are entitled to receive in cash an amount equal to the higher of the principal amount of the ZONES of $1.807 billion or the market value of Sprint common stock. Prior to maturity, each ZONES is exchangeable at the holder's option for an amount of cash equal to 95% of the market value of Sprint common stock.

We separated the accounting for the Exchangeable Notes and the ZONES into derivative and debt components. We record the change in the fair value of the derivative component of the Exchangeable Notes and the ZONES (see Note 5) and the change in the carrying value of the debt component of the Exchangeable Notes and the ZONES as follows (dollars in millions):

				Exchangeable Notes						ZONES
				Six Months Ended June 30,						Six Months Ended June 30,
				2005			2004			2005			2004
Balance at beginning of period:
	Debt component			$	1,758		$	5,030		$	540		$	515
	Derivative component				(59	)		(712	)		168			268
		Total			1,699			4,318			708			783
Decrease in debt component due to maturities and redemptions					(572	)		(887	)		—			—
Change in debt component to interest expense					(3	)		(44	)		14			13
Change in derivative component to investment income, net					(58	)		(27	)		(51	)		(56	)
Balance at end of period:
	Debt component				1,183			4,099			554			528
	Derivative component				(117	)		(739	)		117			212
		Total		$	1,066		$	3,360		$	671		$	740

Derivatives

We use derivative financial instruments to manage our exposure to fluctuations in interest rates and securities prices. We have entered into indexed debt instruments and prepaid forward sale agreements whose value, in part, is derived from the market value of certain publicly traded common stock.

Interest Rates

Excluding the derivative component of the Exchangeable Notes and the ZONES whose changes in fair value are recorded to investment income, net, our effective weighted average interest rate on our total debt outstanding was 7.38% as of June 30, 2005, and December 31, 2004, respectively. As of June 30, 2005, and December 31, 2004, accrued interest was $456 million and $444 million, respectively.

12

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

8. STOCKHOLDERS' EQUITY

Board-Authorized Repurchase Program

During the three and six months ended June 30, 2005, we repurchased approximately 10.5 million shares and 19.9 million shares, respectively, of our Class A Special common stock for aggregate consideration of $334 million and $637 million (on a trade date basis), respectively, pursuant to our Board-authorized share repurchase program. On April 27, 2005, our Board of Directors authorized a $2 billion increase to our share repurchase program, increasing the maximum dollar value of shares that may yet be repurchased under the program to approximately $2.0 billion as of June 30, 2005.

Stock-Based Compensation

We account for stock-based compensation in accordance with APB No. 25 and related interpretations, as permitted by SFAS No. 123, as amended. Compensation expense for stock options is measured as the excess, if any, of the quoted market price of our stock at the date of the grant over the amount an optionee must pay to acquire the stock. We record compensation expense for restricted stock awards based on the quoted market price of our stock at the date of the grant and the vesting period. We record compensation expense for stock appreciation rights based on the changes in quoted market prices of our stock or other determinants of fair value.

The following table illustrates the effect on net income and earnings per share if we had applied the fair value recognition provisions of SFAS No. 123 to stock-based compensation. Total stock-based compensation expense was determined under the fair value-based method for all awards using the accelerated recognition method as permitted under SFAS No. 123 (dollars in millions, except per share data):

			Three Months Ended June 30,						Six Months Ended June 30,
			2005			2004			2005			2004
Net income, as reported			$	430		$	262		$	573		$	327
Add: Stock-based compensation expense included in net income, as reported above, net of related tax effects				12			10			16			15
Deduct: Stock-based compensation expense determined under fair value-based method for all awards, net of related tax effects				(37	)		(48	)		(65	)		(81	)
Pro forma, net income			$	405		$	224		$	524		$	261
Basic earnings for common stockholders per common share:
	As reported		$	0.19		$	0.12		$	0.26		$	0.14
	Pro forma		$	0.18		$	0.10		$	0.24		$	0.12
Diluted earnings for common stockholders per common share:
	As reported		$	0.19		$	0.12		$	0.26		$	0.14
	Pro forma		$	0.18		$	0.10		$	0.24		$	0.12

The pro forma effect on net income and earnings per share for the interim periods by applying SFAS No. 123 may not be indicative of the effect on net income or loss in future years since SFAS No. 123 does not take into consideration additional awards that may be granted in future years on a much larger employee base.

13

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

The following table summarizes the activity of the Comcast option plans during the six months ended June 30, 2005 (options in thousands):

The following table summarizes the activity of our restricted stock plan during the six months ended June 30, 2005 (shares in thousands):

The weighted-average share price of each Class A Common restricted stock grant during the six months ended June 30, 2005 was $33.63.

Comprehensive Income

Our total comprehensive income for the interim periods was as follows (dollars in millions):

9. STATEMENT OF CASH FLOWS—SUPPLEMENTAL INFORMATION

We made cash payments for interest and income taxes during the interim periods as follows (dollars in millions):

14

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

During the six months ended June 30, 2005, we:

•

recorded $170 million of intangible assets in connection with the formation of the ventures in the Motorola transaction, which is considered a non-cash investing and financing activity, and



•

recorded $40 million of investments in connection with our commitment to fund an equity method investment, which is considered a non-cash investing and financing activity.

During the six months ended June 30, 2004, we:

•

acquired cable systems through the assumption of $68 million of debt which is considered a non-cash financing and investing activity.



•

issued shares of G4 with a value of approximately $70 million, which is considered a non-cash financing and investing activity.

During the six months ended June 30, 2005 and 2004, we entered into non-cash financing and investing activities related to certain of our Exchangeable Notes (see Note 7).

10. COMMITMENTS AND CONTINGENCIES

Commitments

Certain of our subsidiaries support debt compliance with respect to obligations of certain cable television partnerships and investments in which we hold an ownership interest (see Note 5). The obligations expire between March 2007 and September 2010. Although there can be no assurance, we believe that we will not be required to meet our obligations under such commitments. The total notional amount of our commitments was $1.021 billion as of June 30, 2005, at which time there were no quoted market prices for similar agreements.

Contingencies

At Home

Litigation has been filed against us as a result of our alleged conduct with respect to our investment in and distribution relationship with At Home Corporation. At Home was a provider of high-speed Internet services that filed for bankruptcy protection in September 2001. Filed actions are: (i) class action lawsuits against us, Brian L. Roberts (our Chairman and Chief Executive Officer and a director), AT&T (the former controlling shareholder of At Home and also a former distributor of the At Home service) and others in the Superior Court of San Mateo County, California, alleging breaches of fiduciary duty in connection with transactions agreed to in March 2000 among At Home, AT&T, Cox Communications, Inc. (Cox is also an investor in At Home and a former distributor of the At Home service) and us; (ii) class action lawsuits against us, AT&T and others in the United States District Court for the Southern District of New York, alleging securities law violations and common law fraud in connection with disclosures made by At Home in 2001; (iii) a lawsuit brought in the United States District Court for the District of Delaware in the name of At Home by certain At Home bondholders against us, Brian L. Roberts, Cox and others, alleging breaches of fiduciary duty relating to the March 2000 transactions and seeking recovery of alleged short-swing profits of at least $600 million, pursuant to Section 16(b) of the Securities Exchange Act of 1934, as amended ("the 1934 Act"), purported to have arisen in connection with certain transactions relating to At Home stock, effected pursuant to the March 2000 agreements; and (iv) a lawsuit brought in the United States Bankruptcy

15

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Court for the Northern District of California by certain At Home bondholders against us, AT&T, AT&T Credit Holdings, Inc. and AT&T Wireless Services, Inc., seeking to avoid and recover certain alleged "preference" payments in excess of $89 million, allegedly made to the defendants prior to the At Home bankruptcy filing.

The actions in San Mateo County, California (item (i) above), have been stayed by the United States Bankruptcy Court for the Northern District of California, the court in which At Home filed for bankruptcy, as violating the automatic bankruptcy stay. The decision to stay the actions was affirmed by the District Court, and an appeal to the Court of Appeals for the Ninth Circuit is pending. In the Southern District of New York actions (item (ii) above), the court has dismissed the common law fraud claims against all defendants, leaving only the securities law claims. In a subsequent decision, the court limited the remaining claims against us and Mr. Roberts to disclosures that are alleged to have been made by At Home prior to August 28, 2000. On March 10, 2005, the court certified a class of all purchasers of publicly traded At Home stock between March 28, 2000, and September 28, 2001. Plaintiffs have moved to amend the complaint so as to move the commencement of the class period back to November 9, 1999. We are opposing this amendment. The Delaware case (item (iii) above) was transferred to the United States District Court for the Southern District of New York. The court dismissed the Section 16(b) claims against us for failure to state a claim and the breach of fiduciary duty claim for lack of federal jurisdiction. The plaintiffs have appealed the decision dismissing the Section 16(b) claims and have indicated that they intend to recommence the breach of fiduciary duty claim. In the meantime, we have entered into an agreement with plaintiffs tolling the statute of limitations for the breach of fiduciary duty claim. In the action in the United States Bankruptcy Court for the Northern District of California (item (iv) above), the parties filed a stipulation in January 2004, staying the case until such time as either party elects to resume the case. Pursuant to the settlement between At Home's bondholders and AT&T described below, this action will be dismissed upon approval of the settlement by the Bankruptcy Court.

Under the terms of the Broadband acquisition, we are contractually liable for 50% of any liabilities of AT&T relating to certain At Home litigation. For litigation in which we are contractually liable for 50% of any liabilities, AT&T will be liable for the other 50%. In addition to the actions against AT&T described in items (i), (ii) and (iv) above, (in which we are also a defendant), such litigation matters included two additional actions brought by At Home's bondholders' liquidating trust against AT&T (and not naming us): (i) a lawsuit filed against AT&T and certain of its senior officers in Santa Clara, California, state court alleging various breaches of fiduciary duties, misappropriation of trade secrets and other causes of action in connection with the transactions and prior and subsequent alleged conduct on the part of the defendants and (ii) an action filed against AT&T in the District Court for the Northern District of California, alleging that AT&T infringes an At Home patent by using its broadband distribution and high-speed Internet backbone networks and equipment.

In May 2005, At Home bondholders' liquidating trust and AT&T agreed to settle these two actions. Pursuant to the settlement, AT&T agreed to pay $340 million to the bondholders' liquidating trust. The settlement is subject to the approval of the Bankruptcy Court. Upon approval, these two actions, as well as the action described in item (iv) above, will be dismissed. As a result of the settlement by AT&T, we recorded a $170 million charge to other income (expense), reflecting our portion of the settlement amount, in our first quarter financial results. In May 2005, we paid $170 million representing

16

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

our share of the settlement amount, and we have classified such payment as an operating activity in our statement of cash flows.

We deny any wrongdoing in connection with the claims that have been made directly against us, our subsidiaries and Brian L. Roberts, and are defending all of these claims vigorously. The final disposition of these claims is not expected to have a material adverse effect on our consolidated financial position but could possibly be material to our consolidated results of operations of any one period. Further, no assurance can be given that any adverse outcome would not be material to our consolidated financial position.

AT&T—Wireless and Common Stock Cases

Under the terms of the Broadband acquisition, we are potentially responsible for a portion of the liabilities arising from two purported securities class action lawsuits brought against AT&T and others and consolidated for pre-trial purposes in the United States District Court for the District of New Jersey. These lawsuits assert claims under Section 11 and Section 12(a)(2) of the Securities Act of 1933, as amended, and Section 10(b) of the 1934 Act.

The first lawsuit, for which our portion of any loss is up to 15%, alleges, among other things, that AT&T made material misstatements and omissions in the Registration Statement and Prospectus for the AT&T Wireless initial public offering ("Wireless Case"). In March 2004, the plaintiffs, and AT&T and the other defendants, moved for summary judgment in the Wireless Case. The New Jersey District Court denied the motions, and the Judicial Panel on Multidistrict Litigation remanded the cases for trial to the United States District Court for the Southern District of New York, where they had originally been brought. No trial date has been set. We and AT&T believe that AT&T has meritorious defenses in the Wireless Case, and it is being vigorously defended.

The second lawsuit, for which our portion of any loss is 50%, alleges, among other things, that AT&T knowingly provided false projections relating to AT&T common stock ("Common Stock Case"). In October 2004, the plaintiffs, and AT&T and the other defendants, agreed to settle the Common Stock Case for $100 million. In April 2005, the court entered an order approving the proposed settlement. In May 2005, we paid $50 million representing our share of the settlement amount and we have classified such payment as an operating activity in our statement of cash flows.

In November 2004, AT&T brought suit against the D&O insurers in Delaware Superior Court, seeking a declaration of coverage and damages in the At Home cases, the Wireless Case and the Common Stock Case. This litigation is in its very early stages.

AT&T—TCI

In June 1998, the first of a number of purported class action lawsuits was filed by then-shareholders of Tele-Communications, Inc. ("TCI") Series A TCI Group Common Stock ("Common A") against AT&T and the directors of TCI relating to the acquisition of TCI by AT&T. A consolidated amended complaint combining the various different actions was filed in February 1999 in the Delaware Court of Chancery. The consolidated amended complaint alleges that former members of the TCI board of directors breached their fiduciary duties to Common A shareholders by agreeing to transaction terms whereby holders of the Series B TCI Group Common Stock received a 10% premium over what Common A shareholders received in connection with the transaction. The complaint further alleges that AT&T aided and abetted the TCI directors' breach of their fiduciary duties.

17

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

In connection with the TCI acquisition, which was completed in early 1999, AT&T agreed under certain circumstances to indemnify TCI's former directors for certain losses, expenses, claims or liabilities, potentially including those incurred in connection with this action. In connection with the Broadband acquisition, we agreed to indemnify AT&T for certain losses, expenses, claims or liabilities. Those losses and expenses potentially include those incurred by AT&T in connection with this action, both as a defendant and in connection with any obligation that AT&T may have to indemnify the former TCI directors for liabilities incurred as a result of the claims against them.

In July 2003, the Delaware Court of Chancery granted AT&T's motion to dismiss on the ground that the complaint failed to adequately plead AT&T's "knowing participation," as required to state a claim for aiding and abetting a breach of fiduciary duty. The other claims made in the complaint remain outstanding. Fact discovery in this matter is now closed. In February 2005, the former TCI director defendants filed a motion for summary judgment. In April 2005, plaintiffs filed their brief in opposition.

The final disposition of these claims is not expected to have a material adverse effect on our consolidated financial position but could possibly be material to our consolidated results of operations of any one period. Further, no assurance can be given that any adverse outcome would not be material to our consolidated financial position.

Acacia

In June 2004, Acacia Media Technologies Corporation ("Acacia") filed a lawsuit against us and others in the United States District Court for the Northern District of California. The complaint alleges infringement of certain United States patents that allegedly relate to systems and methods for transmitting and/or receiving digital audio and video content. The complaint seeks injunctive relief and damages in an unspecified amount. In the event that a Court ultimately determines that we infringe on any of the patents, we may be subject to substantial damages, which may include treble damages and/or an injunction that could require us to materially modify certain products and services that we currently offer to subscribers. We believe that the claims are without merit and intend to defend the action vigorously.

The final disposition of this claim is not expected to have a material adverse effect on our consolidated financial position but could possibly be material to our consolidated results of operations of any one period. Further, no assurance can be given that any adverse outcome would not be material to our consolidated financial position.

Other

We are subject to other legal proceedings and claims that arise in the ordinary course of our business. The amount of ultimate liability with respect to such actions is not expected to materially affect our financial position, results of operations or liquidity.

18

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

11. FINANCIAL DATA BY BUSINESS SEGMENT

Our reportable segments consist of our Cable and Content businesses. Our content segment consists of our national networks E! Entertainment and Style Network, The Golf Channel, Outdoor Life Network, G4 and AZN Television (formerly known as International Channel). In evaluating the profitability of our segments, the components of net income (loss) below operating income (loss) before depreciation and amortization are not separately evaluated by our management (dollars in millions).

		Cable(1)			Content			Corporate and Other(2)			Eliminations(3)			Total
Three Months Ended June 30, 2005
Revenues(4)		$	5,328		$	234		$	67		$	(31	)	$	5,598
Operating income (loss) before     depreciation and amortization(5)			2,175			97			(60	)		(3	)		2,209
Depreciation and amortization			1,121			29			16			(5	)		1,161
Operating income (loss)			1,054			68			(76	)		2			1,048
Capital expenditures			936			3			11			—			950
Three Months Ended June 30, 2004
Revenues(4)		$	4,838		$	199		$	67		$	(38	)	$	5,066
Operating income (loss) before     depreciation and amortization(5)			1,920			77			(42	)		(3	)		1,952
Depreciation and amortization			1,043			39			23			(5	)		1,100
Operating income (loss)			877			38			(65	)		2			852
Capital expenditures			893			6			5			—			904
Six Months Ended June 30, 2005
Revenues(4)		$	10,431		$	447		$	157		$	(74	)	$	10,961
Operating income (loss) before depreciation and amortization(5)			4,170			174			(98	)		(7	)		4,239
Depreciation and amortization			2,225			74			36			(10	)		2,325
Operating income (loss)			1,945			100			(134	)		3			1,914
Capital expenditures			1,819			7			16			—			1,842
Six Months Ended June 30, 2004
Revenues(4)		$	9,485		$	375		$	188		$	(74	)	$	9,974
Operating income (loss) before depreciation and amortization(5)			3,639			146			(98	)		(2	)		3,685
Depreciation and amortization			2,060			74			50			(10	)		2,174
Operating income (loss)			1,579			72			(148	)		8			1,511
Capital expenditures			1,707			10			15			—			1,732
As of June 30, 2005
Assets		$	105,042		$	2,530		$	515		$	(2,740	)	$	105,347
As of December 31, 2004
Assets		$	103,727		$	2,533		$	1,112		$	(2,678	)	$	104,694

---

(1)

Our regional sports and news networks Comcast SportsNet, Comcast SportsNet Mid-Atlantic, Comcast SportsNet Chicago, Comcast SportsNet West, Cable Sports Southeast and CN8-The Comcast Network are included in our cable segment.

19

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

(2)

Corporate and other includes Comcast-Spectacor, corporate activities and all other businesses not presented in our cable or content segments. Assets included in this caption consist primarily of our investments (see Note 5).

(3)

Included in the Eliminations column are intersegment transactions that our segments enter into with one another. The most common types of transactions are the following:

•

our content segment generates affiliate revenue by selling cable network programming to our cable segment, which represents a substantial majority of the revenue elimination amount



•

our cable segment receives incentives offered by our content segment when negotiating programming contracts that are recorded as a reduction of programming costs



•

our cable segment generates revenue by selling the use of satellite feeds to our content segment



•

our cable segment generates revenue by selling the use of its fiber-optic lines and site conditioning to our corporate and other segment. Our corporate and other segment pays our cable segment a lump sum and holds the property and the related depreciation expense and accumulated depreciation. Our cable segment's revenue is generated through the amortization of the deferred revenue recorded for the lump sum payment



•

our corporate and other segment generates revenue by selling long-distance services to our cable segment

(4)

Non-U.S. revenues were not significant in any period. No single customer accounted for a significant amount of our revenue in any period.

(5)

Operating income (loss) before depreciation and amortization is defined as operating income (loss) before depreciation and amortization, 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 this measure 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 may not be directly comparable to similar measures used by other companies. This measure should not be considered as a substitute for operating income (loss), net income (loss), net cash provided by operating activities or other measures of performance or liquidity reported in accordance with generally accepted accounting principles.

20

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

12. CONDENSED CONSOLIDATING FINANCIAL INFORMATION

We and five of our cable holding company subsidiaries, Comcast Cable Communications, LLC ("CCCL"), Comcast Cable Communications Holdings, Inc. ("CCCH"), Comcast MO Group, Inc. ("Comcast MO Group"), Comcast Cable Holdings, LLC ("CCH"), and Comcast MO of Delaware, LLC ("Comcast MO of Delaware") fully and unconditionally guaranteed each other's debt securities. Comcast MO Group, CCH and Comcast MO of Delaware are collectively referred to as the "Combined CCHMO Parents." Our condensed consolidating financial information is as follows (dollars in millions):

Comcast Corporation
Condensed Consolidating Balance Sheet
As of June 30, 2005

				Comcast Parent			CCCL Parent			CCCH Parent			Combined CCHMO Parents			Non- Guarantor Subsidiaries			Elimination and Consolidation Adjustments			Consolidated Comcast Corporation
ASSETS
	Cash and cash equivalents			$	3		$	—		$	—		$	—		$	1,332		$	—		$	1,335
	Investments				—			—			—			—			848			—			848
	Accounts receivable, net				—			—			—			—			1,031			—			1,031
	Other current assets				11			—			—			—			559			—			570
		Total current assets			14			—			—			—			3,770			—			3,784
INVESTMENTS					—			—			—			—			13,208			—			13,208
INVESTMENTS IN AND AMOUNTS     DUE FROM SUBSIDIARIES     ELIMINATED UPON CONSOLIDATION					49,917			29,404			35,776			41,862			22,838			(179,797	)		—
PROPERTY AND EQUIPMENT, net					10			—			3			—			18,784			—			18,797
FRANCHISE RIGHTS					—			—			—			—			51,075			—			51,075
GOODWILL					—			—			—			—			14,118			—			14,118
OTHER INTANGIBLE ASSETS, net					—			—			—			—			3,658			—			3,658
OTHER NONCURRENT ASSETS, net					143			26			25			—			513			—			707
		Total assets		$	50,084		$	29,430		$	35,804		$	41,862		$	127,964			$(179,797	)	$	105,347
LIABILITIES AND STOCKHOLDERS' EQUITY
	Accounts payable and accrued     expenses related to trade creditors			$	—		$	—		$	—		$	—		$	2,042		$	—		$	2,042
	Accrued expenses and other current     liabilities				411			228			114			185			1,725			—			2,663
	Deferred income taxes				—			—			—			—			110			—			110
	Current portion of long-term debt				—			1,319			—			1,972			1,093			—			4,384
		Total current liabilities			411			1,547			114			2,157			4,970			—			9,199
LONG-TERM DEBT, less current portion					5,715			5,017			3,498			3,929			1,587			—			19,746
DEFERRED INCOME TAXES					—			—			—			—			26,995			—			26,995
OTHER NONCURRENT LIABILITIES					2,540			28			—			—			4,742			—			7,310
MINORITY INTEREST					—			—			—			—			679			—			679
STOCKHOLDERS' EQUITY
	Common stock				25			—			—			—			—			—			25
	Other stockholders' equity				41,393			22,838			32,192			35,776			88,991			(179,797	)		41,393
		Total stockholders' equity			41,418			22,838			32,192			35,776			88,991			(179,797	)		41,418
		Total liabilities and stockholders'     equity		$	50,084		$	29,430		$	35,804		$	41,862		$	127,964		$	(179,797	)	$	105,347

21

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Comcast Corporation
Condensed Consolidating Balance Sheet
As of December 31, 2004

				Comcast Parent			CCCL Parent			CCCH Parent			Combined CCHMO Parents			Non- Guarantor Subsidiaries			Elimination and Consolidation Adjustments			Consolidated Comcast Corporation
ASSETS
	Cash and cash equivalents			$	—		$	—		$	—		$	—		$	452		$	—		$	452
	Investments				—			—			—			—			1,555			—			1,555
	Accounts receivable, net				—			—			—			—			959			—			959
	Other current assets				15			—			—			—			554			—			569
		Total current assets			15			—			—			—			3,520			—			3,535
INVESTMENTS					—			—			—			—			12,812			—			12,812
INVESTMENTS IN AND AMOUNTS DUE     FROM SUBSIDIARIES ELIMINATED     UPON CONSOLIDATION					48,317			28,687			35,642			41,898			22,135			(176,679	)		—
PROPERTY AND EQUIPMENT, net					8			—			3			—			18,700			—			18,711
FRANCHISE RIGHTS					—			—			—			—			51,071			—			51,071
GOODWILL					—			—			—			—			14,020			—			14,020
OTHER INTANGIBLE ASSETS, net					—			—			—			—			3,851			—			3,851
OTHER NONCURRENT ASSETS, net					107			30			27			—			530			—			694
		Total assets		$	48,447		$	28,717		$	35,672		$	41,898		$	126,639		$	(176,679	)	$	104,694
LIABILITIES AND STOCKHOLDERS' EQUITY
	Accounts payable and accrued expenses     related     to trade creditors			$	—		$	—		$	—		$	—		$	2,041		$	—		$	2,041
	Accrued expenses and other current liabilities				671			216			126			197			1,525			—			2,735
	Deferred income taxes				—			—			—			—			360			—			360
	Current portion of long-term debt				—			700			—			1,080			1,719			—			3,499
		Total current liabilities			671			916			126			1,277			5,645			—			8,635
LONG-TERM DEBT, less current portion					4,323			5,643			3,498			4,979			1,650			—			20,093
DEFERRED INCOME TAXES					—			—			—			—			26,815			—			26,815
OTHER NONCURRENT LIABILITIES					2,031			23			—			—			5,207			—			7,261
MINORITY INTEREST					—			—			—			—			468			—			468
STOCKHOLDERS' EQUITY
	Common stock				25			—			—			—			—			—			25
	Other stockholders' equity				41,397			22,135			32,048			35,642			86,854			(176,679	)		41,397
		Total stockholders' equity			41,422			22,135			32,048			35,642			86,854			(176,679	)		41,422
		Total liabilities and stockholders' equity		$	48,447		$	28,717		$	35,672		$	41,898		$	126,639		$	(176,679	)	$	104,694

22

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Comcast Corporation
Condensed Consolidating Statement of Operations
For the Three Months Ended June 30, 2005

			Comcast Parent			CCCL Parent			CCCH Parent			Combined CCHMO Parents			Non- Guarantor Subsidiaries			Elimination and Consolidation Adjustments			Consolidated Comcast Corporation
REVENUES
	Service revenues		$	—		$	—		$	—		$	—		$	5,598		$	—		$	5,598
	Management fee revenue			113			44			69			69			—			(295	)		—
				113			44			69			69			5,598			(295	)		5,598
COSTS AND EXPENSES
	Operating (excluding     depreciation)			—			—			—			—			1,944			—			1,944
	Selling, general and     administrative			49			44			69			69			1,509			(295	)		1,445
	Depreciation			—			—			—			—			891			—			891
	Amortization			—			—			—			—			270			—			270
				49			44			69			69			4,614			(295	)		4,550
OPERATING INCOME				64			—			—			—			984			—			1,048
OTHER INCOME (EXPENSE)
	Interest expense			(80	)		(120	)		(82	)		(98	)		(87	)		—			(467	)
	Investment income, net			—			—			—			—			176			—			176
	Equity in net income (losses) of     affiliates			440			364			96			160			270			(1,346	)		(16	)
	Other income			—			—			—			—			30			—			30
				360			244			14			62			389			(1,346	)		(277	)
INCOME (LOSS) BEFORE     INCOME TAXES AND     MINORITY INTEREST				424			244			14			62			1,373			(1,346	)		771
INCOME TAX (EXPENSE)     BENEFIT				6			42			28			34			(441	)		—			(331	)
INCOME (LOSS) BEFORE     MINORITY INTEREST				430			286			42			96			932			(1,346	)		440
MINORITY INTEREST				—			—			—			—			(10	)		—			(10	)
NET INCOME (LOSS)			$	430		$	286		$	42		$	96		$	922		$	(1,346	)	$	430

23

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Comcast Corporation
Condensed Consolidating Statement of Operations
For the Three Months Ended June 30, 2004

			Comcast Parent			CCCL Parent			CCCH Parent			Combined CCHMO Parents			Non- Guarantor Subsidiaries			Elimination and Consolidation Adjustments			Consolidated Comcast Corporation
REVENUES
	Service revenues		$	—		$	—		$	—		$	—		$	5,066		$	—		$	5,066
	Management fee revenue			104			40			64			64			—			(272	)		—
				104			40			64			64			5,066			(272	)		5,066
COSTS AND EXPENSES
	Operating (excluding depreciation)			—			—			—			—			1,794			—			1,794
	Selling, general and administrative			49			40			64			64			1,375			(272	)		1,320
	Depreciation			—			—			—			—			813			—			813
	Amortization			—			—			—			—			287			—			287
				49			40			64			64			4,269			(272	)		4,214
OPERATING INCOME				55			—			—			—			797			—			852
OTHER INCOME (EXPENSE)
	Interest expense			(61	)		(115	)		(77	)		(100	)		(131	)		—			(484	)
	Investment income, net			—			—			—			—			151			—			151
	Equity in net income (losses) of     affiliates			266			339			77			142			258			(1,102	)		(20	)
	Other income			—			—			—			—			12			—			12
				205			224			—			42			290			(1,102	)		(341	)
INCOME (LOSS) BEFORE     INCOME TAXES AND     MINORITY INTEREST				260			224			—			42			1,087			(1,102	)		511
INCOME TAX (EXPENSE)     BENEFIT				2			41			27			35			(339	)		—			(234	)
INCOME (LOSS) BEFORE     MINORITY INTEREST				262			265			27			77			748			(1,102	)		277
MINORITY INTEREST				—			—			—			—			(15	)		—			(15	)
NET INCOME (LOSS)			$	262		$	265		$	27		$	77		$	733		$	(1,102	)	$	262

24

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Comcast Corporation
Condensed Consolidating Statement of Operations
For the Six Months Ended June 30, 2005

			Comcast Parent			CCCL Parent			CCCH Parent			Combined CCHMO Parents			Non- Guarantor Subsidiaries			Elimination and Consolidation Adjustments			Consolidated Comcast Corporation
REVENUES
	Service revenues		$	—		$	—		$	—		$	—		$	10,961		$	—		$	10,961
	Management fee revenue			224			86			136			136			—			(582	)		—
				224			86			136			136			10,961			(582	)		10,961
COSTS AND EXPENSES
	Operating (excluding depreciation)			—			—			—			—			3,901			—			3,901
	Selling, general and administrative			91			86			136			136			2,954			(582	)		2,821
	Depreciation			1			—			—			—			1,764			—			1,765
	Amortization			—			—			—			—			560			—			560
				92			86			136			136			9,179			(582	)		9,047
OPERATING INCOME				132			—			—			—			1,782			—			1,914
OTHER INCOME (EXPENSE)
	Interest expense			(151	)		(240	)		(165	)		(195	)		(160	)		—			(911	)
	Investment loss, net			—			—			—			—			140			—			140
	Equity in net income (losses) of     affiliates			585			681			279			406			521			(2,476	)		(4	)
	Other income			—			—						—			(78	)		—			(78	)
				434			441			114			211			423			(2,476	)		(853	)
INCOME (LOSS) BEFORE     INCOME TAXES AND     MINORITY INTEREST				566			441			114			211			2,205			(2,476	)		1,061
INCOME TAX (EXPENSE)     BENEFIT				7			84			58			68			(688	)		—			(471	)
INCOME (LOSS) BEFORE     MINORITY INTEREST				573			525			172			279			1,517			(2,476	)		590
MINORITY INTEREST				—			—			—			—			(17	)		—			(17	)
NET INCOME (LOSS)			$	573		$	525		$	172		$	279		$	1,500		$	(2,476	)	$	573

25

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Comcast Corporation
Condensed Consolidating Statement of Operations
For the Six Months Ended June 30, 2004

			Comcast Parent			CCCL Parent			CCCH Parent			Combined CCHMO Parents			Non- Guarantor Subsidiaries			Elimination and Consolidation Adjustments			Consolidated Comcast Corporation
REVENUES
	Service revenues		$	—		$	—		$	—		$	—		$	9,974		$	—		$	9,974
	Management fee revenue			202			79			125			125			—			(531	)		—
				202			79			125			125			9,974			(531	)		9,974
COSTS AND EXPENSES
	Operating (excluding depreciation)			—			—			—			—			3,663			—			3,663
	Selling, general and administrative			93			79			125			125			2,735			(531	)		2,626
	Depreciation			—			—			—			—			1,611			—			1,611
	Amortization			—			—			—			—			563			—			563
				93			79			125			125			8,572			(531	)		8,463
OPERATING INCOME				109			—			—			—			1,402			—			1,511
OTHER INCOME (EXPENSE)
	Interest expense			(163	)		(242	)		(153	)		(201	)		(225	)		—			(984	)
	Investment loss, net			—			—			—			—			142			—			142
	Equity in net income (losses) of     affiliates			362			607			170			301			413			(1,890	)		(37	)
	Other income			—			—			—			—			19			—			19
				199			365			17			100			349			(1,890	)		(860	)
INCOME (LOSS) BEFORE     INCOME TAXES AND     MINORITY INTEREST				308			365			17			100			1,751			(1,890	)		651
INCOME TAX (EXPENSE)     BENEFIT				19			85			54			70			(538	)		—			(310	)
INCOME (LOSS) BEFORE     MINORITY INTEREST				327			450			71			170			1,213			(1,890	)		341
MINORITY INTEREST				—			—			—			—			(14	)		—			(14	)
NET INCOME (LOSS)			$	327		$	450		$	71		$	170		$	1,199		$	(1,890	)	$	327

26

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Continued)
(Unaudited)

Comcast Corporation
Condensed Consolidating Statement of Cash Flows
For the Six Months Ended June 30, 2005

			Comcast Parent			CCCL Parent			CCCH Parent			Combined CCHMO Parents			Non- Guarantor Subsidiaries			Elimination and Consolidation Adjustments			Consolidated Comcast Corporation
OPERATING ACTIVITIES
	Net cash provided by (used in) operating     activities		$	372		$	(131	)	$	(107	)	$	(182	)	$	2,565			—		$	2,517
FINANCING ACTIVITIES
	Proceeds from borrowings			1,494			—			—			—			1			—			1,495
	Retirements and repayments of debt			(131	)		—			—			(115	)		(33	)		—			(279	)
	Issuances of common stock			59			—			—			—			—			—			59
	Repurchases of common stock			(660	)		—			—			—			—			—			(660	)
	Other			—			—			—			—			83			—			83
	Net cash provided by (used in) financing     activities			762			—			—			(115	)		51			—			698
INVESTING ACTIVITIES
	Net transactions with affiliates			(1,131	)		131			107			297			596			—			—
	Capital expenditures			—			—			—			—			(1,842	)		—			(1,842	)
	Proceeds from sales and restructuring of investments			—			—			—			—			317			—			317
	Purchases of investments			—			—			—			—			(305	)		—			(305	)
	Acquisitions, net of cash acquired			—			—			—			—			(134	)		—			(134	)
	Additions to intangible and other noncurrent assets			—			—			—			—			(305	)		—			(305	)
	Purchases of short-term investments, net			—			—			—			—			(63	)		—			(63	)
	Net cash (used in) provided by investing activities			(1,131	)		131			107			297			(1,736	)		—			(2,332	)
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS				3			—			—			—			880			—			883
CASH AND CASH EQUIVALENTS, beginning of period				—			—			—			—			452			—			452
CASH AND CASH EQUIVALENTS, end of period			$	3		$	—		$	—		$	—		$	1,332		$	—		$	1,335

27

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Concluded)
(Unaudited)

Comcast Corporation
Condensed Consolidating Statement of Cash Flows
For the Six Months Ended June 30, 2004

			Comcast Parent			CCCL Parent			CCCH Parent			Combined CCHMO Parents			Non- Guarantor Subsidiaries			Elimination and Consolidation Adjustments			Consolidated Comcast Corporation
OPERATING ACTIVITIES
	Net cash provided by (used in) operating activities		$	144		$	(30	)	$	37		$	(220	)	$	2,702		$	—		$	2,633
FINANCING ACTIVITIES
	Proceeds from borrowings			654			—			400			—			4			—			1,058
	Retirements and repayments of debt			(350	)		(561	)		(200	)		(6	)		(500	)		—			(1,617	)
	Issuances of common stock			38			—			—			—			—			—			38
	Repurchases of common stock			(511	)		—			—			—			—			—			(511	)
	Other			8			—			—			—			—			—			8
	Net cash provided by (used in) financing activities			(161	)		(561	)		200			(6	)		(496	)		—			(1,024	)
INVESTING ACTIVITIES
	Net transactions with affiliates			17			591			(237	)		226			(597	)		—			—
	Capital expenditures			—			—			—			—			(1,732	)		—			(1,732	)
	Proceeds from sales and restructuring of investments			—			—			—			—			51			—			51
	Purchases of investments			—			—			—			—			(106	)		—			(106	)
	Acquisitions, net of cash acquired			—			—			—			—			(336	)		—			(336	)
	Additions to intangible and other noncurrent assets			—			—			—			—			(453	)		—			(453	)
	Purchases of short-term investments, net			—			—			—			—			(15	)		—			(15	)
	Proceeds from settlement of contract of acquired company			—			—			—			—			26			—			26
	Net cash (used in) provided by investing activities			17			591			(237	)		226			(3,162	)		—			(2,565	)
DECREASE IN CASH AND CASH EQUIVALENTS				—			—			—			—			(956	)		—			(956	)
CASH AND CASH EQUIVALENTS, beginning of period				—			—			—			—			1,550			—			1,550
CASH AND CASH EQUIVALENTS, end of period			$	—		$	—		$	—		$	—		$	594		$	—		$	594

28

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

ITEM 2.    MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Overview

We are principally involved in the management and operation of broadband communications networks (our cable segment) and in the management of programming content that is distributed over national cable television networks (our content segment). During the six months ended June 30, 2005, we received over 95% of our revenue from our cable segment, primarily through monthly subscriptions to our video, high-speed Internet and phone services, as well as from advertising. Subscribers typically pay us monthly, based on rates and related charges that vary according to their chosen level of service and the type of equipment they use. Revenue from our content segment is derived from the sale of advertising time and affiliation agreements with cable and satellite television companies.

Highlights for the six months ended June 30, 2005, include the following:

•

revenue growth of 10% and operating income before depreciation and amortization growth of 14.6% in our cable segment compared to the same period in 2004, driven by continued growth in our digital cable and high-speed Internet services and rate increases in our video services



•

repurchases of approximately 20 million shares of our Class A Special common stock pursuant to our Board-authorized share repurchase program

The following provides the details of these highlights and insights into our financial statements, including discussion of our results of operations and our liquidity and capital resources.

Business Developments

On April 20, 2005, we and Time Warner reached definitive agreements to acquire substantially all the assets of Adelphia Communications Corporation for a total of $12.7 billion in cash and 16% of the common stock of Time Warner's cable subsidiary, Time Warner Cable Inc. ("TWC"). We also will exchange certain of our cable systems with TWC for certain TWC cable systems. In addition, TWC will redeem our 17.9% interest in TWC, and Time Warner Entertainment Company, L.P. ("TWE") will redeem our 4.7% interest in TWE (together an effective 21% economic ownership of TWC). As a result of these transactions, we will add approximately 1.8 million basic subscribers for a net cash investment of approximately $1.5 billion. Following these transactions, we will serve a total of approximately 23.2 million basic subscribers. These transactions are subject to customary regulatory review and approvals, including Hart-Scott-Rodino, Federal Communications Commission and local franchise approvals, as well as the Adelphia bankruptcy process, which involves approvals by the bankruptcy court having jurisdiction of Adelphia's Chapter 11 case and Adelphia's creditors. Closing is expected to occur in the first or second quarter of 2006.

Refer to Note 4 to our condensed financial statements included in Item 1 for a discussion of our acquisitions and other significant events.

Critical Accounting Judgments and Estimates

The preparation of financial statements in accordance with generally accepted accounting principles requires us to make judgments and estimates that affect the reported amounts of assets, liabilities, revenue and expenses, as well as the disclosure of contingent assets and liabilities. We base our

29

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

estimates and judgments on historical experience and other factors that are believed to be reasonable under the circumstances. Actual results may differ from these estimates under different assumptions or conditions.

For a discussion of the critical accounting judgments and estimates we identified that we believe require significant judgment in the preparation of our consolidated financial statements, please refer to our 2004 Form 10-K.

Results of Operations

Revenues

Consolidated revenues for the three and six month interim periods in 2005 increased $532 million and $987 million, or 10.5% and 9.9%, respectively, from the same periods in 2004. Of these increases, $490 million and $946 million relate to our cable segment and $35 million and $72 million relate to our content segment, which are discussed separately below. The remaining changes relate to our other business activities, primarily Comcast-Spectacor, whose revenues were negatively affected by the National Hockey League ("NHL") lockout.

Operating, selling, general and administrative expenses

Consolidated operating, selling, general and administrative expenses for the three and six month interim periods in 2005 increased $275 million and $433 million, or 8.8% and 6.9%, respectively, from the same periods in 2004. Of these increases, $235 million and $415 million relate to our cable segment and $15 million and $44 million relate to our content segment, which are discussed separately below. The remaining changes relate to our other business activities, primarily Comcast-Spectacor, whose operating expenses were positively affected by the NHL lockout.

Depreciation

Depreciation expense for the three and six month interim periods in 2005 increased $78 million and $154 million, or 9.6% in both interim periods. The increase is primarily attributable to our cable segment and is principally due to our recent capital expenditures.

Amortization

Amortization expense for the three month interim period in 2005 decreased $17 million or 5.9% from the same period in 2004. The decrease reflects an ongoing reduction in annual amortization of approximately $100 million associated with intangibles acquired in the Broadband acquisition and a non-recurring adjustment reducing our intangible amortization associated with obtaining updated valuation reports for certain recent acquisitions. Amortization expense for the six month interim period in 2005 remained essentially unchanged from the same period in 2004 as a result of the adjustments described above, offset by the effects of the write off of approximately $20 million of acquired in-process research and development from our transaction with Motorola (see Note 4). The acquired in-process research and development was immediately expensed since the related technology had not reached technological feasibility as of the transaction date.

---

30

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

Segment Operating Results

Operating income before depreciation and amortization is the primary basis we use to measure the operational strength and performance of our segments. Operating income before depreciation and amortization is defined as operating income before depreciation and amortization, 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 this measure 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 may not be directly comparable to similar measures used by other companies. Because we use operating income before depreciation and amortization as 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 to our condensed consolidated financial statements. This measure should not be considered a substitute 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.

All percentages are calculated based on actual amounts. Minor differences may exist due to rounding.

Cable Segment Operating Results

The following tables present our cable segment operating results (dollars in millions):

31

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

The following table presents our subscriber and monthly average revenue statistics on a pro forma basis. The pro forma adjustments reflect the addition of approximately 90,000 subscribers acquired in various small acquisitions between June 2004 and June 2005. The impact of these acquisitions on our segment operating results was not material (subscribers in thousands).

Revenues

Video revenue consists of our basic, expanded basic, premium, pay-per-view and digital cable services, as well as equipment rentals. The increases in video revenue for the interim periods from 2004 to 2005 are primarily due to rate increases and subscriber growth in our digital video service. From June 30, 2004, to June 30, 2005, we added approximately 1,075,000, net, digital subscribers, or a 13.3% increase in digital subscribers. We expect continued growth in our video revenue.

32

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

The increases in high-speed Internet revenue for the interim periods from 2004 to 2005 are primarily due to the addition of 1,698,000, net, high-speed Internet subscribers since June 30, 2004, or a 28.3% increase in high-speed Internet subscribers. We expect continued growth in our high-speed Internet revenue.

The decreases in phone revenue for the interim periods from 2004 to 2005 are primarily due to the decrease in the average revenue per phone subscriber. We expect to add phone subscribers as we continue to launch our Comcast Digital Voice phone service.

The increases in advertising sales revenue for the interim periods from 2004 to 2005 are primarily due to the effects of growth in regional/national advertising as a result of the continuing success of our regional interconnects and a stronger local advertising market, offset, in part, by a decrease in political advertising during 2005. We expect continued growth in our advertising sales revenue.

Other revenue includes installation revenues, revenue from our regional sports and news networks, guide revenues, commissions from electronic retailing, revenue from commercial data services and revenue from other service offerings. The increases in other revenue for the interim periods from 2004 to 2005 are primarily due to the launch of our regional sports networks in Chicago and Sacramento.

The increases in franchise fees collected from our cable subscribers for the interim periods from 2004 to 2005 are primarily attributable to the increases in our revenues upon which the fees apply.

Operating Expenses

Operating expenses increased $113 million and $214 million, respectively, for the three and six month interim periods in 2005, from the same periods in 2004. The increases occurred in multiple expense categories and are primarily a result of growth in our high-speed Internet, digital cable services, the launch of Comcast Digital Voice and development activities related to new interactive product initiatives.

Selling, General and Administrative Expenses

Selling, general and administrative expenses increased $122 million and $201 million, respectively, for the three and six month interim periods in 2005, from the same periods in 2004. The increases occurred in multiple expense categories and are primarily as a result of growth in high-speed Internet, digital cable services, the launch of Comcast Digital Voice, and our development activities related to new interactive product initiatives.

Content Segment Operating Results

The following table presents our content segment operating results (dollars in millions):

Our content segment consists of the national networks E! Entertainment and Style Network, The Golf Channel, Outdoor Life Network, G4 and AZN Television (formerly known as International Channel).

33

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

Revenues

Our content segment revenue increased $35 million and $72 million, or 17.7% and 19.2%, respectively, for the three and six month interim periods in 2005, from the same periods in 2004. The increases reflect increases in distribution and advertising revenue for all of the networks and the effects of the acquisitions of TechTV and AZN Television in May 2004 and July 2004, respectively.

Operating, Selling, General and Administrative Expenses

Operating, selling, general and administrative expenses increased $15 million and $44 million, or 12.3% and 19.2%, respectively, for the three and six month interim periods in 2005, from the same periods in 2004. Expenses increased in the 2005 interim periods as a result of higher development and marketing expenses for signature events and other original programming in all of our networks, as well as due to the effects of the acquisitions of TechTV and AZN Television in May 2004 and July 2004, respectively.

Consolidated Income (Expense) Items

Interest Expense

The decreases in interest expense for the interim periods from 2004 to 2005 are primarily due to the effects of the write-off in 2004 of unamortized debt issue costs to interest expense in connection with the refinancing of our previously-existing revolving credit facilities in January, the effects of the redemptions of certain of the Exchangeable Notes and the early termination of certain of our interest rate swaps.

Investment Income, Net

Investment income, net for the interim periods includes the following (dollars in millions):

The losses on sales and exchanges of investments for the six months ended June 30, 2005 consist principally of the $29 million loss on the conversion of Time Warner preferred stock into Time Warner common stock on March 31, 2005.

We have entered into derivative financial instruments that we account for at fair value and which economically hedge the market price fluctuations in the common stock of most (as of June 30, 2005) of our investments accounted for as trading securities. The differences between the unrealized gains (losses) on trading securities and hedged items and the mark-to-market adjustments on derivatives

34

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

related to trading securities and hedged items, as presented in the table above, result from one or more of the following:

•

We did not maintain an economic hedge for our entire investment in the security during some portion or for all of the period.



•

There were changes in the derivative valuation assumptions such as interest rates, volatility and dividend policy.



•

The magnitude of the difference between the market price of the underlying security to which the derivative relates and the strike price of the derivative.



•

The change in the time value component of the derivative value during the period.



•

The security to which the derivative relates changed due to a corporate reorganization of the issuing company to a security with a different volatility rate.



•

The issuing company paid a new or an increased dividend to the shareholders of the security.

The mark-to-market adjustments on derivatives consist principally of the fair value adjustments related to the derivative component of the notes exchangeable into Comcast stock (see Note 7). We are exposed to changes in the fair value of this derivative since the underlying shares of Comcast Class A Special common stock that we hold in treasury are carried at our historical cost and not adjusted for changes in fair value. As of June 30, 2005, approximately 8.4 million shares of Comcast Class A Special common stock collateralized the outstanding Comcast exchangeable notes.

Other Income (Expense)

The change in other income (expense) for the six month period from 2004 to 2005 is primarily due to a $170 million charge in the first quarter of 2005 related to our portion of the settlement agreement related to certain litigation between AT&T and At Home. Refer to Note 10 to our condensed consolidated financial statements included in Item 1 for a discussion of this litigation. This charge is partially offset by a $24 million gain on the exchange of one of our equity method investments and $55 million of gains recognized on the sale or restructuring of certain investment assets in the 2005 interim period.

Income Tax Expense

Our income tax expense differs from the statutory amount primarily due to a net benefit recognized in the 2005 interim periods from adjustments to prior years' income tax provisions and the impact of certain charges recognized in the first quarter of 2005 for which no tax benefit has been recognized.

Liquidity and Capital Resources

We believe that we will be able to meet our current and long-term liquidity and capital requirements, including fixed charges, through our cash flows from operating activities, existing cash, cash equivalents and investments; through available borrowings under our existing credit facilities; and through our ability to obtain external financing.

35

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

Operating Activities

Net cash provided by operating activities amounted to $2.517 billion for the six months ended June 30, 2005, due principally to our operating income before depreciation and amortization, partially offset by the effects of interest and income tax payments, the $170 million payment representing our share of the settlement amount related to AT&T's litigation with At Home and changes in operating assets and liabilities.

During the 2005 interim period, the net change in our operating assets and liabilities was $191 million, primarily attributable to increases in our accounts receivable of $68 million, and a net reduction in other operating assets and liabilities of $124 million. The reduction in other operating assets and liabilities is attributable to payments associated with liabilities recorded as part of the Broadband acquisition of $213 million, including a $46 million pension funding in the first quarter of 2005 and a $50 million payment representing our share of the settlement related to AT&T's settlement of certain of it's securities litigation.

Financing Activities

Net cash provided by financing activities was $698 million for the six months ended June 30, 2005, and consisted principally of our net proceeds from borrowings of $1.495 billion partially offset by repurchases of common stock of $660 million (on a settlement date basis). During the 2005 interim period, our borrowings consisted of $1.5 billion of senior notes further described below, while our debt repayments consisted of $100 million under medium-term notes and $179 million under our commercial paper program and other debt instruments.

We have made, and may, from time to time in the future, make optional repayments on our debt obligations, which may include open market repurchases of our outstanding public notes and debentures, depending on various factors, such as market conditions.

Senior Notes Offering.    In June 2005, we issued $1.5 billion of notes consisting of $750 million of 4.95% notes due 2016 and $750 million of 5.65% notes due 2035. We used the net proceeds of this offering for working capital and general corporate purposes, including repayment of existing indebtedness.

Commercial Paper Program.    In June 2004, we entered into a commercial paper program to provide a lower-cost borrowing source of liquidity to fund our short-term working capital requirements. The program allows for a maximum of $2.25 billion of commercial paper to be issued at any one time. Our revolving bank credit facility supports this program. As of June 30, 2005, amounts outstanding under the program totaled $188 million with a weighted average interest rate of 3.41%.

Debt Redemption.    In June 2005, we gave notice to holders of our 9.5% Senior Notes due 2013 with an aggregate principal amount of $525 million that we will redeem the notes on August 1, 2005 at a premium of 4.75% over par.

Available Borrowings Under Credit Facilities.    We have traditionally maintained significant availability under our lines of credit to meet our short-term liquidity requirements. We have three lines of credit aggregating $4.576 billion and, as of June 30, 2005, amounts available under our lines of credit totaled $3.951 billion.

Stock Repurchases.    During the six months ended June 30, 2005, under our Board-authorized share repurchase program, we repurchased approximately 20 million shares of our Class A Special common stock for $660 million (on a settlement date basis). On April 27, 2005, our Board of Directors

36

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

authorized a $2 billion increase to our share repurchase program, increasing the maximum dollar value of shares that may yet be repurchased under the program to approximately $2 billion as of June 30, 2005. We expect such repurchases to continue from time to time in the open market or in private transactions, subject to market conditions.

Financing.    As of June 30, 2005 and December 31, 2004, our debt, including capital lease obligations, was $24.130 billion and $23.592 billion, respectively. The $538 million increase from December 31, 2004 to June 30, 2005 results principally from the effects of our senior notes offering offset by the settlements of certain of our Exchangeable Notes. Included in our debt as of June 30, 2005 and December 31, 2004 was current portion of long-term debt of $4.384 billion and $3.499 billion, respectively.

Excluding the effects of interest rate risk management instruments, 3.7% and 5.8% of our total debt as of June 30, 2005, and December 31, 2004, respectively, was at variable rates.

Investing Activities

Net cash used in investing activities was $2.332 billion for the six months ended June 30, 2005, which consisted primarily of cash used for our capital expenditures, acquisitions, purchases of investments, and additions to intangible and other noncurrent assets. Our capital expenditures totaled $1.842 billion which includes the purchase of digital set-top boxes, as well as capital investments, including Comcast Digital Voice, digital simulcasting and our integrated service platform. During the period we made acquisitions totaling $134 million primarily consisting of interactive television software developers Liberate and MetaTV and other strategic acquisitions. The Liberate and MetaTV acquisitions provide us with access to technology that will accelerate the development of new interactive products. Purchases of investments totaled $305 million and consist principally of our approximate $250 million investment in MGM for our 20% equity interest. Additions to intangibles and other noncurrent assets during the six months ended June 30, 2005, primarily relate to licenses and software-related intangibles of approximately $105 million, multiple dwelling unit contracts of approximately $67 million, and additions to goodwill related to acquisitions of additional ownership interests. Offsetting these amounts were $213 million in proceeds from the prepaid forward transactions.

---

37

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

ITEM 3.    QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

There have been no significant changes to the information required under this Item from what was disclosed in our 2004 Form 10-K.

---

ITEM 4.    CONTROLS AND PROCEDURES

Conclusions regarding disclosure controls and procedures.    Our chief executive officer and our co-chief financial officers, after evaluating the effectiveness of our disclosure controls and procedures (as defined in the Securities Exchange Act of 1934 Rules 13a-15(e) or 15d-15(e)) as of the end of the period covered by this report, have concluded, based on the evaluation of these controls and procedures required by paragraph (b) of Exchange Act Rules 13a-15 or 15d-15, that our disclosure controls and procedures were effective.

Changes in internal control over financial reporting.    There were no changes in our internal control over financial reporting identified in connection with the evaluation required by paragraph (d) of Exchange Act Rules 13a-15 or 15d-15 that occurred during our last fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II.    OTHER INFORMATION

ITEM 1.    LEGAL PROCEEDINGS

Refer to Note 10 to our condensed financial statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for a discussion of recent developments related to our legal proceedings.

ITEM 2.    UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

A summary of our repurchases during the quarter ended June 30, 2005, principally under our Board-authorized repurchase program is as follows:

PURCHASES OF EQUITY SECURITIES

The total number of shares purchased includes 63,344 shares received in the administration of employee equity compensation plans. All other shares were repurchased pursuant to a share repurchase program authorized by our Board of Directors to acquire up to $2 billion of outstanding common stock in the open market. On April 27, 2005, our Board of Directors authorized a $2 billion increase to our share repurchase program, which is reflected in the table above.

38

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

ITEM 4.    SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

At our Annual Meeting of Shareholders on June 1, 2005, the shareholders approved, or did not approve, the following proposals, in each case consistent with the unanimous recommendations of our Board of Directors (numbers represent the aggregate votes cast, with holders of our Class A Common Stock entitled to 0.2082 votes per share and holders of our Class B Common Stock entitled to 15 votes per share):

To elect the following nominees to serve as our directors for one-year terms. Director For Withheld

To ratify the appointment of Deloitte & Touche LLP as our independent auditors for the 2005 fiscal year.

To approve the 2002 Restricted Stock Plan, as amended and restated.

To approve a shareholder proposal to disclose political contributions.

To approve a shareholder proposal to require that the Chairman of the Board not have managerial responsibilities.

39

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 2005

To approve a shareholder proposal to eliminate a shareholder rights plan unless shareholder approval is received.

To approve a shareholder proposal to adopt a recapitalization plan.

ITEM 6.    EXHIBITS

(a)

31

Certifications of Chief Executive Officer and Co-Chief Financial Officers pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.

32

Certifications of Chief Executive Officer and Co-Chief Financial Officers pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.

40

---

COMCAST CORPORATION AND SUBSIDIARIES
FORM 10-Q
QUARTER ENDED JUNE 30, 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.

		COMCAST CORPORATION
		/S/  LAWRENCE J. SALVA       Lawrence J. Salva Senior Vice President, Chief Accounting Officer and Controller (Principal Accounting Officer)

Date: August 2, 2005

41

---

---

QuickLinks

TABLE OF CONTENTS

PART I. FINANCIAL INFORMATION
ITEM I. FINANCIAL STATEMENTS

COMCAST CORPORATION AND SUBSIDIARIES FORM 10-Q QUARTER ENDED JUNE 30, 2005 CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited)
COMCAST CORPORATION AND SUBSIDIARIES FORM 10-Q QUARTER ENDED JUNE 30, 2005 CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited)
COMCAST CORPORATION AND SUBSIDIARIES FORM 10-Q QUARTER ENDED JUNE 30, 2005 NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)
Comcast Corporation Condensed Consolidating Statement of Operations For the Three Months Ended June 30, 2005
Comcast Corporation Condensed Consolidating Statement of Operations For the Three Months Ended June 30, 2004
Comcast Corporation Condensed Consolidating Statement of Operations For the Six Months Ended June 30, 2005
Comcast Corporation Condensed Consolidating Statement of Operations For the Six Months Ended June 30, 2004

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
ITEM 4. CONTROLS AND PROCEDURES

PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS
ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

PURCHASES OF EQUITY SECURITIES

ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
ITEM 6. EXHIBITS

SIGNATURES

QuickLinks -- Click here to rapidly navigate through this document

Exhibit 31

CERTIFICATIONS

I, Brian L. Roberts, certify that:

1.

I have reviewed this quarterly report on Form 10-Q of Comcast Corporation;

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.

The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)

designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)

evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)

disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.

The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b)

any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: August 2, 2005

/s/  BRIAN L. ROBERTS      

---

Name: Brian L. Roberts
Chief Executive Officer

---

I, Lawrence S. Smith, certify that:

1.

I have reviewed this quarterly report on Form 10-Q of Comcast Corporation;

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.

The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)

designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)

evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)

disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.

The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b)

any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: August 2, 2005

/s/  LAWRENCE S. SMITH     

---

Name: Lawrence S. Smith
Co-Chief Financial Officer

---

I, John R. Alchin, certify that:

1.

I have reviewed this quarterly report on Form 10-Q of Comcast Corporation;

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.

Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.

The registrant's other certifying officers and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)

designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)

evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)

disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.

The registrant's other certifying officers and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a)

all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b)

any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: August 2, 2005

/s/  JOHN R. ALCHIN     

---

Name: John R. Alchin
Co-Chief Financial Officer

---

QuickLinks

Exhibit 31

CERTIFICATIONS

QuickLinks -- Click here to rapidly navigate through this document

Exhibit 32

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act

August 2, 2005

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549

Ladies and Gentlemen:

The certification set forth below is being submitted in connection with the quarterly report on Form 10-Q of Comcast Corporation (the "Report") for the purpose of complying with Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the "Exchange Act") and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Brian L. Roberts, the Chief Executive Officer, Lawrence S. Smith, the Co-Chief Financial Officer and John R. Alchin, the Co-Chief Financial Officer of Comcast Corporation, each certifies that, to the best of his knowledge:

1.

the Report fully complies with the requirements of Section 13(a) or 15(d) of the Exchange Act; and



2.

the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Comcast Corporation.

		/s/  BRIAN L. ROBERTS       Name: Brian L. Roberts Chief Executive Officer
		/s/  LAWRENCE S. SMITH       Name: Lawrence S. Smith Co-Chief Financial Officer
		/s/  JOHN R. ALCHIN       Name: John R. Alchin Co-Chief Financial Officer

---

QuickLinks

Exhibit 32

Certification Pursuant to Section 906 of the Sarbanes-Oxley Act