Occidental Petroleum (OXY) 8-K Regulation FD Disclosure

Exhibit 99.2

Occidental Petroleum Corporation

Return on Capital Employed

For the Twelve Months Ended December 31,

Reconciliation to Generally Accepted Accounting Principles (GAAP)

$ in millions

	2012	2013
RETURN ON CAPITAL EMPLOYED (%)	10.3	12.2

	2012			2013
GAAP measure - earnings applicable to common shareholders	$	4,598		$	5,903
Interest expense (see detail below)	117			110
Tax effect of interest expense	(41		)	(39		)
Earnings before tax-effected interest expense	$	4,674		$	5,974
GAAP stockholders’ equity	$	40,048		$	43,372
Debt
GAAP debt
Debt, including current maturities	$	7,623		$	6,939
Total capital employed	$	47,671		$	50,311
ROCE	10.3			12.2

Interest Expense Detail	2012		2013
Oxy public debt	$	117	$	110