23. PARENT COMPANY BALANCE SHEET
		1997 US$m	1996 US$m
Subsidiaries, at cost		1,648.8	1,626.8
Other investments		0.4	0.4
Current assets		0.5	0.1
Current liabilities		(88.9)	(85.7)
Net current liabilities		(88.4)	(85.6)
Net operating assets		1,560.8	1,541.6
Share capital (note 15)		258.6	254.9
Share premium (note 17)		180.0	181.9
Revenue and other reserves (note 18)		1,122.2	1,104.8
Shareholders' funds		1,560.8	1,541.6