Schedule 2 – Summary of Proved Natural Gas Reserves Based on Year-End Prices for 2008 and Average Prices for 2009 – 2011


(Billions of cubic feet)	Total			United States			Canada			Malaysia			United Kingdom
Proved developed and undeveloped natural gas reserves:
December 31, 2008		585.6			97.4			62.2			405.2			20.8
Revisions of previous estimates		77.2			9.1			(0.6	)		59.4			9.3
Improved recovery		6.9			0.0			0.0			6.9			0.0
Extensions and discoveries		153.5			2.6			83.3			67.6			0.0
Production		(68.4	)		(19.8	)		(20.0	)		(27.3	)		(1.3	)
Sales of properties		(0.2	)		0.0			(0.2	)		0.0			0.0

December 31, 2009		754.6			89.3			124.7			511.8			28.8
Revisions of previous estimates		15.2			6.6			15.2			(11.2	)		4.6
Improved recovery		(1.0	)		0.0			0.0			(1.0	)		0.0
Extensions and discoveries		220.5			14.3			194.2			12.0			0.0
Purchases of properties		24.0			0.0			24.0			0.0			0.0
Production		(130.2	)		(19.4	)		(31.2	)		(77.6	)		(2.0	)

December 31, 2010		883.1			90.8			326.9			434.0			31.4
Revisions of previous estimates		12.6			(6.3	)		59.4			(32.5	)		(8.0	)
Improved recovery		13.8			0.0			0.0			14.8			(1.0	)
Extensions and discoveries		363.5			31.1			321.5			10.9			0.0
Production		(166.9	)		(17.2	)		(68.9	)		(79.4	)		(1.4	)

December 31, 2011		1,106.1			98.4			638.9			347.8			21.0

Proved developed natural gas reserves:
December 31, 2009		401.6			73.2			89.7			209.9			28.8
December 31, 2010		586.0			67.0			210.1			277.5			31.4
December 31, 2011		711.6			58.2			427.1			210.5			15.8

Proved undeveloped natural gas reserves:
December 31, 2009		353.0			16.1			35.0			301.9			0.0
December 31, 2010		297.1			23.8			116.8			156.5			0.0
December 31, 2011		394.5			40.2			211.8			137.3			5.2

Note:

All natural gas reserves included in the table above are from consolidated subsidiaries and proportionately consolidated joint ventures. The Company has no proved natural gas reserves attributable to investees accounted for by the equity method.