EXHIBIT 11

OCCIDENTAL PETROLEUM CORPORATION AND SUBSIDIARIES

COMPUTATION OF EARNINGS PER SHARE

FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2007 AND 2006

(Amounts in millions, except per-share amounts)

	Periods Ended June 30
	Three Months						Six Months
	2007			2006			2007			2006
BASIC EARNINGS PER SHARE
Earnings applicable to common stock	$	1,412		$	860		$	2,624		$	2,091
Basic shares
Weighted average common
shares outstanding		872.1			864.2			871.6			853.3
Treasury stock		(38.9	)		(11.8	)		(36.6	)		(6.6	)
Vested, unissued shares		4.5			7.8			4.3			7.8
Basic shares		837.7			860.2			839.3			854.5
Basic earnings per share
Income from continuing operations	$	1.36		$	1.33		$	2.76		$	2.61
Discontinued operations, net		0.32			(0.33	)		0.37			(0.16	)
Basic earnings per common share	$	1.68		$	1.00		$	3.13		$	2.45
DILUTED EARNINGS PER SHARE
Earnings applicable to common stock	$	1,412		$	860		$	2,624		$	2,091
Diluted shares
Basic shares		837.7			860.2			839.3			854.5
Dilutive effect of stock options and
restricted share plans		4.1			7.5			3.9			9.8
Diluted shares		841.8			867.7			843.2			864.3
Diluted earnings per share
Income from continuing operations	$	1.36		$	1.32		$	2.74		$	2.58
Discontinued operations, net		0.32			(0.33	)		0.37			(0.16	)
Diluted earnings per common share	$	1.68		$	0.99		$	3.11		$	2.42