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WESTERN GAS RESOURCES, INC.
COMPUTATION OF PER SHARE EARNINGS
DECEMBER 31, 2001

		Weighted Average Shares Of Common Stock Outstanding	Net Income			Earnings Per Share Of Common Stock
Net income			$	95,637,000
Weighted average shares of common stock outstanding		32,579,813
Less preferred stock dividends:
	$2.28 cumulative preferred stock			(3,009,722	)
	Special dividend on redemption of $2.28 cumulative preferred stock			(912,000	)
	$2.625 cumulative convertible preferred stock			(7,245,000	)
		32,579,813	$	84,470,278
Basic earnings per share of common stock						$	2.59
Assume conversion of $2.625 convertible preferred stock		3,471,698		7,245,000
Assume exercise of common stock equivalents		970,858
(Anti-dilutive common stock equivalents are not used in this calculation)		37,022,369	$	91,715,278
Fully diluted earnings per share of common stock						$	2.48

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WESTERN GAS RESOURCES, INC. COMPUTATION OF PER SHARE EARNINGS DECEMBER 31, 2001