EXHIBIT 13

FIVE YEAR FINANCIAL HIGHLIGHTS *

			% change
dollars in millions, except per share amounts	2004		2004-2003			2003		2002		2001			2000
Revenues	$	6,067		18		$	5,122	$	3,845	$	4,718		$	2,911
Operating Income (Loss)		2,881		30			2,208		1,410		(363	)		1,352
Net Income (Loss) Available to Common Stockholders before Change in Accounting Principle		1,601		29			1,240		825		(183	)		813
Net Income (Loss)		1,601		24			1,287		825		(188	)		796
Net Cash Provided by Operating Activities	$	3,207		5		$	3,043	$	2,196	$	3,321		$	1,536
Per Common Share:
Net Income (Loss) — Basic	$	6.41		24		$	5.16	$	3.32	$	(0.75	)	$	4.32
Net Income (Loss) — Diluted	$	6.36		25		$	5.09	$	3.21	$	(0.75	)	$	4.16
Dividends	$	0.56		27		$	0.44	$	0.325	$	0.225		$	0.20
Average Shares Outstanding — Basic		250		—			250		248		250			184
Average Shares Outstanding — Diluted		252		—			253		260		250			193
Capital Expenditures	$	3,090		11		$	2,792	$	2,388	$	3,316		$	1,708
Total Debt	$	3,840		(24	)	$	5,058	$	5,471	$	5,050		$	3,984
Stockholders’ Equity		9,285		8			8,599		6,972		6,365			6,786
Total Assets	$	20,192		(2	)	$	20,546	$	18,248	$	16,771		$	16,590
Annual Sales Volumes:
Gas (Bcf)		637		(1	)		643		642		695			385
Oil and Condensate (MMBbls)		67		—			67		75		68			36
NGLs (MMBbls)		17		—			17		15		15			12
Total Barrels of Oil Equivalent (MMBOE)		190		(1	)		192		197		199			112
Average Daily Sales Volumes:
Gas (MMcf/d)		1,741		(1	)		1,762		1,760		1,904			1,052
Oil and Condensate (MBbls/d)		185		1			184		205		186			98
NGLs (MBbls/d)		45		(4	)		47		41		42			33
Total Barrels of Oil Equivalent (MBOE/d)		520		(1	)		525		539		546			306
Oil Reserves (MMBbls)		1,113		(9	)		1,226		1,131		1,132			1,046
Gas Reserves (Tcf)		7.5		(3	)		7.7		7.2		7.0			6.1
Total Reserves (MMBOE)		2,367		(6	)		2,513		2,328		2,305			2,061
Number of Employees		3,300		(6	)		3,500		3,800		3,500			3,500

*	Consolidated for Anadarko Petroleum Corporation and its subsidiaries.
**	Natural gas converted to equivalent barrels at the rate of 6,000 cubic feet per barrel.

Table of Measures
Bcf — Billion cubic feet	MMBbls — Million barrels
BOE — Barrels of oil equivalent**	MMBOE — Million barrels of oil equivalent
MBbls/d — Thousand barrels per day	MMcf/d — Million cubic feet per day
MBOE/d — Thousand barrels of oil equivalent per day	Tcf — Trillion cubic feet

STOCKHOLDER INFORMATION

      The common stock of Anadarko Petroleum Corporation is traded on the New York Stock Exchange. Average daily trading volume was 1,839,000 shares in 2004, 2,358,000 shares in 2003 and 1,793,000 shares in 2002. The ticker symbol for Anadarko is APC and daily stock reports published in local newspapers carry trading summaries for the Company under the headings Anadrk or AnadrkPete. The following shows information regarding the closing market price of and dividends paid on the Company’s common stock by quarter for 2004 and 2003.

	First		Second		Third		Fourth
	Quarter		Quarter		Quarter		Quarter
2004
Market Price
High	$	53.00	$	59.55	$	66.81	$	71.05
Low	$	48.65	$	50.85	$	55.53	$	64.07
Dividends	$	0.14	$	0.14	$	0.14	$	0.14
2003
Market Price
High	$	48.87	$	49.95	$	45.05	$	51.29
Low	$	42.24	$	44.17	$	40.49	$	41.35
Dividends	$	0.10	$	0.10	$	0.10	$	0.14