[13G USIP O C Page 11 of 12 Joint Filing Agreement February 12, 2016 This Agreement may be executed in multiple counterparts, each of which shall constitute an original, one and the same instrument. Commonwealth Bank of Australia Carla Collingwood Company Secretary Colonial Holding Company Limited Warwick Bryan Director Commonwealth Insurance Holdings Limited Warwick Bryan Director Colonial First State Group] [13G USIP O C Page 12 of 12 Item 7 Information The securities being reported on by the reporting persons herein as parent holding companies are owned, or may be deemed to be beneficially owned as follows: Company Type of Company . Realindex Investments Pty Limited IA (AU registered) Colonial First State Investments Limited IA (AU registered) First State Investments] [USIP O C Page 2 of 12 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Commonwealth Bank of Australia 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP ¨ x (a) 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Australian Capital Territory, Commonwealth of Australia NUMBER OF SHARES BENEFICIALLY OWNED BY]