[USIP O C 13G Page 2 of 13 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 12 of 13 Joint Filingreement February , 2012 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 13 of 13 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: STYLE="font-family:Times New Roman" SIZE="3">Manning & Napiervisors, STYLE="font-family:Times New Roman" SIZE="2">I.R.S. Identification Nos. ofove persons (entities only): STYLE="font-family:Times New Roman" SIZE="3">45-3240790 2. Check the Appropriate Box if a Member of a (See Instructions): (a) 3. SEC Use Only: 4. Citizenship or Place of Organization:]

[CUSIP No.: 602675100 1. Names of Reporting Persons: Manning & Napiervisors, I.R.S. Identification Nos. ofove persons (entities only): 45-3240790 2. Check the Appropriate Box if a Member of a (See Instructions): (a) 3. SEC Use Only: 4. Citizenship or Place of Organization: New York Numberof Shares Beneficially]