[USIP O C 13G Page 2 of 15 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OFOVE PERSONmmonwealth Bank of Australia 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A (a) 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Australianpital Territory,mmonwealth of Australia] [USIP O C 13G Page 14 of 15 Joint Filingreement STYLE="font-family:Times New Roman" SIZE="2">February 14, 2013 Thisreement may be executed in multipleunterparts, each of which shallnstitute an original, one and theme instrument.mmonwealth Bank of Australia Johnmien Hattonmpany Secretarylonialmpany Limited Johnmien Hatton] [USIP O C 13G Page 15 of 15 Item7 Information STYLE="font-family:Times New Roman" SIZE="2"> The securities being reported on by the reporting persons herein parentmpanies are owned, or may be deemed to be beneficially owned follows:mpany Type ofmpany. First State Investments (Hong Kong) Limited IA (HK registered)]

[USIP O C 13G Page 2 of 15 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OFOVE PERSONmmonwealth Bank of Australia 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A x (a) 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Australianpital Territory,mmonwealth of Australia] [USIP O C 13G Page 14 of 15 Joint Filingreement February 14, 2013 Thisreement may be executed in multipleunterparts, each of which shallnstitute an original, one and theme instrument.mmonwealth Bank of Australia Johnmien Hattonmpany Secretarylonialmpany Limited Johnmien Hatton Director] [USIP O C 13G Page 15 of 15 Item7 Information The securities being reported on by the reporting persons herein parentmpanies are owned, or may be deemed to be beneficially owned follows:mpany Type ofmpany. First State Investments (Hong Kong) Limited IA (HK registered) First State Investments International]

[CUSIP No. 602675100 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only)]

[CUSIP No.602675100 1. Names of Reporting Persons. I.R.S. Identification Nos. ofove persons (entities only) 2. Check the Appropriate Box if a Member of a (See Instructions) (a) o (b) o 3. SEC Use Only 4. Citizenship or Place of Organization Number of 5. Sole Voting Power 6. Shared Voting Power]

[CUSIP No.602675100 1. Names of Reporting Persons. I.R.S. Identification Nos. ofove persons (entities only) 2. Check the Appropriate Box if a Member of a (See Instructions) (a) o (b) o 3. SEC Use Only 4. Citizenship or Place of Organization Number of 5. Sole Voting Power 6. Shared Voting Power]