[USIP O C 13G Joint Filing Agreement November 10, 2014 This Agreement may be executed in multiple counterparts, each of which shall constitute an original, one and the same instrument. Commonwealth Bank of Australia Margaret Taylor Company Secretary Colonial Holding Company Limited Michael Venter Director Commonwealth Insurance Holdings Limited Michael Venter Director Colonial First State Group Limited Michael Venter Director] [USIP O C 13G 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 Investment Management (UK) Limited IA (UK] [USIP O C 13G 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 EACH REPORTING PERSON]