Attachment 1 Details of Management and Controlling Parties

Directors

+-----------+---+-----------------+----+----------+--------------------+
| Name /    | A | Education       | S  | Family   | Work Experience    |
| Position  | g |                 | ha | Rela     |                    |
|           | e |                 | re | tionship |                    |
|           |   |                 | ho | between  |                    |
|           |   |                 | ld | Ma       |                    |
|           |   |                 | in | nagement |                    |
|           |   |                 | g* |          |                    |
|           |   |                 | (  |          |                    |
|           |   |                 | %) |          |                    |
+-----------+---+-----------------+----+----------+--------------------+
| 1. Mr.    | 6 | -   Bachelor of | 1. |   -      | - 2010 – Present   |
| Chai      | 7 |     Science,    | 09 |   Spouse |                    |
| Sop       |   |     University  |    |   of     | Chairman and Chief |
| honpanich |   |     of          |    |   Mrs.   | Executive Officer, |
|           |   |     Colorado,   |    |   Linda  | Bangkok Insurance  |
|   Ch      |   |     USA         |    |   Lisah  | Pcl.               |
| airperson |   |                 |    | apanya’s |                    |
|   of the  |   | -   Advanced    |    |   sister | - 1986 – Present   |
|   Board   |   |     Management  |    |          |                    |
|   of      |   |     Program,    |    |   -      | Chairman, Charoong |
|           |   |     The Wharton |    |   Father | Thai Wire & Cable  |
| Directors |   |     School,     |    |   of Mr. | Pcl.               |
|           |   |     University  |    |   Chong  |                    |
|           |   |     of          |    |   Toh’s  | - 1988 – Present   |
|           |   |                 |    |   spouse |                    |
|           |   |   Pennsylvania, |    |          | Chairman, Furukawa |
|           |   |     USA         |    |          | Metal (Thailand)   |
|           |   |                 |    |          | Pcl.               |
|           |   | -   The Joint   |    |          |                    |
|           |   |     State -     |    |          | - 1968 – Present   |
|           |   |     Private     |    |          |                    |
|           |   |     Sectors     |    |          | Director, Bangkok  |
|           |   |     Course,     |    |          | Life Insurance     |
|           |   |     Class 6,    |    |          | Co.,Ltd.           |
|           |   |     The         |    |          |                    |
|           |   |     National    |    |          | - 1968 – Present   |
|           |   |     Defense     |    |          |                    |
|           |   |     College of  |    |          | Vice Chairman,     |
|           |   |     Thailand    |    |          | Thai Reinsurance   |
|           |   |                 |    |          | Pcl.               |
|           |   | -   Director    |    |          |                    |
|           |   |                 |    |          |                    |
|           |   |   Certification |    |          |                    |
|           |   |     Program,    |    |          |                    |
|           |   |     Class       |    |          |                    |
|           |   |     16/2002,    |    |          |                    |
|           |   |     Thai        |    |          |                    |
|           |   |     Institute   |    |          |                    |
|           |   |     of          |    |          |                    |
|           |   |     Directors   |    |          |                    |
|           |   |                 |    |          |                    |
|           |   | -   Chairman    |    |          |                    |
|           |   |     2000, Class |    |          |                    |
|           |   |     10/2004,    |    |          |                    |
|           |   |     Thai        |    |          |                    |
|           |   |     Institute   |    |          |                    |
|           |   |     of          |    |          |                    |
|           |   |     Directors   |    |          |                    |
+-----------+---+-----------------+----+----------+--------------------+
| 2. Dr.    | 6 | -   MB ChB      | 0. |   -      | - Professor        |
| Chanvit   | 7 |     (Bachelor   | 07 |          | Emeritus,          |
| Ta        |   |     of Medicine |    |          | Department of      |
| nphiphat, |   |     and         |    |          | Surgery, Faculty   |
| MD        |   |     Bachelor of |    |          | of Medicine,       |
|           |   |     Surgery),   |    |          | Chulalongkorn      |
| Vice      |   |     Leeds       |    |          | University         |
| Ch        |   |     University, |    |          |                    |
| airperson |   |     United      |    |          |                    |
| of the    |   |     Kingdom     |    |          |                    |
| Board of  |   |                 |    |          |                    |
| Directors |   | -   FRCS        |    |          |                    |
|           |   |     (Fellowship |    |          |                    |
|   Member  |   |     of the      |    |          |                    |
|   of the  |   |     Royal       |    |          |                    |
|   N       |   |     College of  |    |          |                    |
| omination |   |     Surgeons of |    |          |                    |
|   and     |   |     Edinburgh), |    |          |                    |
|   Rem     |   |     United      |    |          |                    |
| uneration |   |     Kingdom     |    |          |                    |
|           |   |                 |    |          |                    |
| Committee |   |                 |    |          |                    |
+-----------+---+-----------------+----+----------+--------------------+
| 3. Mrs.   | 5 | -   Master of   | 0. |   -      | - Managing         |
| Linda     | 8 |     Finance,    | 01 |   Sister | Director,          |
| Li        |   |     University  |    |   of Mr. | Bumrungrad         |
| sahapanya |   |     of          |    |   Chai   | Hospital Pcl.      |
|           |   |     Illinois,   |    |   Sophon |                    |
|           |   |     USA         |    | panich’s |                    |
|  Director |   |                 |    |   spouse |                    |
|           |   | -   Director    |    |          |                    |
|           |   |                 |    |          |                    |
|  Managing |   |   Certification |    |          |                    |
|           |   |     Program,    |    |          |                    |
|  Director |   |     Class       |    |          |                    |
|           |   |     78/2006,    |    |          |                    |
|           |   |     Thai        |    |          |                    |
|           |   |     Institute   |    |          |                    |
|           |   |     of          |    |          |                    |
|           |   |     Directors   |    |          |                    |
+-----------+---+-----------------+----+----------+--------------------+
| 4. Dr.    | 7 | -   Doctor of   | 0. | -        | - Clinical         |
| Dhanit    | 4 |     Medicine,   | 00 |          | Professor          |
| Dhe       |   |     Mahidol     |    |          | Emeritus,          |
| andhanoo, |   |     University  |    |          | Director,          |
| MD        |   |                 |    |          | Neurosurgery Unit, |
|           |   | -   Board       |    |          | Department of      |
| Director  |   |                 |    |          | Surgery, Faculty   |
|           |   |  Certification: |    |          | of Medicine,       |
| Ch        |   |                 |    |          | Ramathibodi        |
| airperson |   |   Neurosurgery, |    |          | Hospital, Mahidol  |
| of the    |   |     United      |    |          | University         |
| Medical   |   |     Kingdom     |    |          |                    |
| Board     |   |                 |    |          |                    |
+-----------+---+-----------------+----+----------+--------------------+

* Shareholding as at 30 December 2010, including both preference and
ordinary shares, and shares held by spouse and minors.

+-----------+---+----------------+----+---------+---------------------+
| Name /    | A | Education      | Sh | Family  | Work Experience     |
| Position  | g |                | ar | Relat   |                     |
|           | e |                | eh | ionship |                     |
|           |   |                | ol | between |                     |
|           |   |                | di | Man     |                     |
|           |   |                | ng | agement |                     |
|           |   |                |  * |         |                     |
|           |   |                | (  |         |                     |
|           |   |                | %) |         |                     |
+-----------+---+----------------+----+---------+---------------------+
| 5. Dr.    | 6 | -   Doctor of  | 0. | -       | - 1987 – 1994       |
| Sinn      | 9 |     Medicine,  | 01 |         |                     |
| Anuras,   |   |                |    |         | Professor and Vice  |
| MD        |   |  Chulalongkorn |    |         | Chairperson of      |
|           |   |     University |    |         | Medical Affairs,    |
| Director  |   |                |    |         | University Medical  |
|           |   | -   Board      |    |         | Center, Lubbock,    |
| Group     |   |     C          |    |         | Texas, USA          |
| Medical   |   | ertifications: |    |         |                     |
| Director  |   |                |    |         |                     |
|           |   |   - American   |    |         |                     |
|           |   |   Board of     |    |         |                     |
|           |   |   Internal     |    |         |                     |
|           |   |   Medicine     |    |         |                     |
|           |   |                |    |         |                     |
|           |   | -   American   |    |         |                     |
|           |   |     Board of   |    |         |                     |
|           |   |     Ga         |    |         |                     |
|           |   | stroenterology |    |         |                     |
+-----------+---+----------------+----+---------+---------------------+
| 6. Mr.    | 4 | -   Master of  | 0. |   -     | - 2005 – Present    |
| Chong Toh | 2 |     Science in | 05 |         |                     |
|           |   |                |    |  Spouse | Executive Vice      |
| Director  |   |    Management, |    |   of    | President,          |
|           |   |                |    |   Mr.   | International       |
| Member of |   |  Massachusetts |    |   Chai  | Banking Group,      |
| the       |   |     Institute  |    |         | Bangkok Bank Pcl.   |
| N         |   |     of         |    | Sophonp |                     |
| omination |   |                |    | anich’s | - 2005 – Present    |
| and       |   |    Technology, |    |   d     |                     |
| Rem       |   |     USA        |    | aughter | Executive Chairman, |
| uneration |   |                |    |         | Bualuang Securities |
| Committee |   | -   Bachelor   |    |         | Pcl.                |
|           |   |     of Arts in |    |         |                     |
|           |   |                |    |         | - 2001 – Present    |
|           |   |    Philosophy, |    |         |                     |
|           |   |     Politics   |    |         | Director, Bualuang  |
|           |   |     and        |    |         | Securities Pcl.     |
|           |   |     Economics, |    |         |                     |
|           |   |     Oxford     |    |         | - 2000 – Present    |
|           |   |                |    |         |                     |
|           |   |    University, |    |         | Director, Asia      |
|           |   |     United     |    |         | Cement Pcl.         |
|           |   |     Kingdom    |    |         |                     |
|           |   |                |    |         | - 2001 – 2005       |
|           |   | -   Director   |    |         |                     |
|           |   |                |    |         | President, Bualuang |
|           |   |  Accreditation |    |         | Securities Pcl.     |
|           |   |     Program,   |    |         |                     |
|           |   |     Class      |    |         | - 1999 – 2005       |
|           |   |     54/2006,   |    |         |                     |
|           |   |     Thai       |    |         | Director, Bualuang  |
|           |   |     Institute  |    |         | Finance Co., Ltd.   |
|           |   |     of         |    |         |                     |
|           |   |     Directors  |    |         | - 2000 – 2001       |
|           |   |                |    |         |                     |
|           |   |                |    |         | President, Bualuang |
|           |   |                |    |         | Finance Co., Ltd.   |
+-----------+---+----------------+----+---------+---------------------+

* Shareholding as at 30 December 2010, including both preference and
ordinary shares, and shares held by spouse and minors.

+----------+---+----------------+----+---------+-----------------------+
| Name /   | A | Education      | Sh | Family  | Work Experience       |
| Position | g |                | ar | Relat   |                       |
|          | e |                | eh | ionship |                       |
|          |   |                | ol | between |                       |
|          |   |                | di | Man     |                       |
|          |   |                | ng | agement |                       |
|          |   |                |  * |         |                       |
|          |   |                | (  |         |                       |
|          |   |                | %) |         |                       |
+----------+---+----------------+----+---------+-----------------------+
| 7. Dr.   | 5 | -   Doctor of  | -  |   -     | - 2009 – Present      |
| Jennifer | 8 |     Medicine,  |    |         |                       |
| Lee, MD  |   |     University |    |         | Chairman, Agency for  |
|          |   |     of         |    |         | Integrated Care       |
| Director |   |     Singapore  |    |         |                       |
|          |   |                |    |         | - 2000 – Present      |
|          |   |                |    |         |                       |
|          |   |                |    |         | Director, Eu Yan Sang |
|          |   |                |    |         | International Ltd.,   |
|          |   |                |    |         | Singapore             |
|          |   |                |    |         |                       |
|          |   |                |    |         | - 2006 – Present      |
|          |   |                |    |         |                       |
|          |   |                |    |         | Director, Health      |
|          |   |                |    |         | Sciences Authority,   |
|          |   |                |    |         | Singapore             |
|          |   |                |    |         |                       |
|          |   |                |    |         | - 2004 – Present      |
|          |   |                |    |         |                       |
|          |   |                |    |         | Corporate Advisor,    |
|          |   |                |    |         | Temasek Holdings      |
|          |   |                |    |         | (Pte.) Ltd.,          |
|          |   |                |    |         | Singapore             |
|          |   |                |    |         |                       |
|          |   |                |    |         | - 1999 – 2004         |
|          |   |                |    |         |                       |
|          |   |                |    |         | Member of the         |
|          |   |                |    |         | Parliament of the     |
|          |   |                |    |         | Republic of Singapore |
|          |   |                |    |         |                       |
|          |   |                |    |         | - 1991 – 2004         |
|          |   |                |    |         |                       |
|          |   |                |    |         | Chief Executive       |
|          |   |                |    |         | Officer, KK Women’s & |
|          |   |                |    |         | Children’s Hospital,  |
|          |   |                |    |         | Singapore             |
|          |   |                |    |         |                       |
|          |   |                |    |         | - 1988 – 1991         |
|          |   |                |    |         |                       |
|          |   |                |    |         | Chief Operating       |
|          |   |                |    |         | Officer, Singapore    |
|          |   |                |    |         | General Hospital,     |
|          |   |                |    |         | Singapore             |
+----------+---+----------------+----+---------+-----------------------+
| 8. Ms.   | 5 | -   Master of  | -  | -       | - 2001 – Present      |
| So       | 0 |     Business   |    |         |                       |
| phavadee |   |     A          |    |         | Director, S&P         |
| U        |   | dministration, |    |         | Syndicate Pcl.        |
| ttamobol |   |                |    |         |                       |
|          |   |  Chulalongkorn |    |         | - 1991 – Present      |
| Director |   |     University |    |         |                       |
|          |   |                |    |         | Legal Consultant,     |
| Cha      |   | -   Director   |    |         | Dhamrongtham Law      |
| irperson |   |                |    |         | Office                |
| of the   |   |  Accreditation |    |         |                       |
| Audit    |   |     Program,   |    |         |                       |
| C        |   |     Class      |    |         |                       |
| ommittee |   |     5/2003,    |    |         |                       |
|          |   |     Thai       |    |         |                       |
|          |   |     Institute  |    |         |                       |
|          |   |     of         |    |         |                       |
|          |   |     Directors  |    |         |                       |
|          |   |                |    |         |                       |
|          |   | -   Audit      |    |         |                       |
|          |   |     Committee  |    |         |                       |
|          |   |     Program,   |    |         |                       |
|          |   |     Class      |    |         |                       |
|          |   |     2/2004,    |    |         |                       |
|          |   |     Thai       |    |         |                       |
|          |   |     Institute  |    |         |                       |
|          |   |     of         |    |         |                       |
|          |   |     Directors  |    |         |                       |
|          |   |                |    |         |                       |
|          |   | -   Role of    |    |         |                       |
|          |   |     Chairman   |    |         |                       |
|          |   |     Program    |    |         |                       |
|          |   |     Class      |    |         |                       |
|          |   |     14/2006,   |    |         |                       |
|          |   |     Thai       |    |         |                       |
|          |   |     Institute  |    |         |                       |
|          |   |     of         |    |         |                       |
|          |   |     Directors  |    |         |                       |
+----------+---+----------------+----+---------+-----------------------+

* Shareholding as at 30 December 2010, including both preference and
ordinary shares, and shares held by spouse and minors.

+-------------+---+-----------------+----+-------+--------------------+
| Name /      | A | Education       | S  | F     | Work Experience    |
| Position    | g |                 | ha | amily |                    |
|             | e |                 | re | Re    |                    |
|             |   |                 | ho | latio |                    |
|             |   |                 | ld | nship |                    |
|             |   |                 | in | be    |                    |
|             |   |                 | g* | tween |                    |
|             |   |                 | (  | Manag |                    |
|             |   |                 | %) | ement |                    |
+-------------+---+-----------------+----+-------+--------------------+
| 9. Mr.      | 7 | -   Assumption  | 0. | -     | - Chairperson, New |
| Boonpakorn  | 6 |     Commercial  | 04 |       | City (Bangkok)     |
| Chokwathana |   |     college     |    |       | Pcl.               |
|             |   |                 |    |       |                    |
|   Director  |   | -   Bachelor’s  |    |       | - Chairperson, Dr. |
|             |   |     Degree of   |    |       | Thiam Chokwatana   |
|   Member of |   |     Economics,  |    |       | Foundation         |
|   the Audit |   |     University  |    |       |                    |
|   Committee |   |     of          |    |       | - Vice             |
|             |   |     Nottingham, |    |       | Chairperson, Saha  |
|   Chairman  |   |     United      |    |       | Pathanapibul Pcl.  |
|   of the    |   |     Kingdom     |    |       |                    |
|             |   |                 |    |       | - Vice             |
|  Nomination |   | -   Director    |    |       | Chairperson, Saha  |
|   and       |   |                 |    |       | Pathana            |
|   R         |   |   Certification |    |       | Inter-Holding Pcl. |
| emuneration |   |     Program,    |    |       |                    |
|   Committee |   |     Class       |    |       | - Director, IT     |
|             |   |     68/2005,    |    |       | City Pcl.          |
|             |   |     Thai        |    |       |                    |
|             |   |     Institute   |    |       |                    |
|             |   |     of          |    |       |                    |
|             |   |     Directors   |    |       |                    |
|             |   |                 |    |       |                    |
|             |   | -   Director    |    |       |                    |
|             |   |                 |    |       |                    |
|             |   |   Accreditation |    |       |                    |
|             |   |     Program,    |    |       |                    |
|             |   |     Class       |    |       |                    |
|             |   |     3/2003,     |    |       |                    |
|             |   |     Thai        |    |       |                    |
|             |   |     Institute   |    |       |                    |
|             |   |     of          |    |       |                    |
|             |   |     Directors   |    |       |                    |
|             |   |                 |    |       |                    |
|             |   | -   Role of     |    |       |                    |
|             |   |                 |    |       |                    |
|             |   |    Compensation |    |       |                    |
|             |   |     Committee   |    |       |                    |
|             |   |     Program,    |    |       |                    |
|             |   |     Class       |    |       |                    |
|             |   |     7/2008,     |    |       |                    |
|             |   |     Thai        |    |       |                    |
|             |   |     Institute   |    |       |                    |
|             |   |     of          |    |       |                    |
|             |   |     Directors   |    |       |                    |
+-------------+---+-----------------+----+-------+--------------------+
| 10. Mr.     | 7 | -   Bank        | -  | -     | - 2010 – Present   |
| Soradis     | 1 |     Management, |    |       |                    |
| Vinyaratn   |   |     City of     |    |       | Independent        |
|             |   |     London      |    |       | Director Dusit     |
| Director    |   |     College of  |    |       | Thani Pcl.         |
|             |   |     Banking,    |    |       |                    |
| Member of   |   |     London,     |    |       | - 1982 – Present   |
| the Audit   |   |     United      |    |       |                    |
| Committee   |   |     Kingdom     |    |       | Vice Chairperson,  |
|             |   |                 |    |       | Landmark Hotel     |
|             |   | -   Director    |    |       | Group              |
|             |   |                 |    |       |                    |
|             |   |   Accreditation |    |       | - 1957 – 1990      |
|             |   |     Program,    |    |       |                    |
|             |   |     Class       |    |       | Executive Vice     |
|             |   |     CP/2005,    |    |       | President, Bangkok |
|             |   |     Thai        |    |       | Bank Pcl.          |
|             |   |     Institute   |    |       |                    |
|             |   |     of          |    |       |                    |
|             |   |     Directors   |    |       |                    |
+-------------+---+-----------------+----+-------+--------------------+
| 11. Mrs.    | 6 | -   Master of   | -  | -     | - 2009 – Present   |
|     Aruni   | 3 |     Business    |    |       |                    |
|             |   |                 |    |       | Managing Director, |
|   Kettratad |   | Administration, |    |       | AA Talent          |
|             |   |     University  |    |       | Recruitment Co.,   |
|   Director  |   |     of          |    |       | Ltd.               |
|             |   |     Portland,   |    |       |                    |
|             |   |     Oregon, USA |    |       | - 2006 – 2008      |
|             |   |                 |    |       |                    |
|             |   |                 |    |       | Freelance          |
|             |   |                 |    |       | consultant in HR   |
|             |   |                 |    |       | management         |
|             |   |                 |    |       | services           |
|             |   |                 |    |       |                    |
|             |   |                 |    |       | - 1987 – 2005      |
|             |   |                 |    |       |                    |
|             |   |                 |    |       | Partner-in-Charge, |
|             |   |                 |    |       | Recruitment &      |
|             |   |                 |    |       | Human Resources    |
|             |   |                 |    |       |                    |
|             |   |                 |    |       | Consulting         |
|             |   |                 |    |       | Department, Ernst  |
|             |   |                 |    |       | & Young, Thailand  |
+-------------+---+-----------------+----+-------+--------------------+

* Shareholding as at 30 December 2010, including both preference and
ordinary shares, and shares held by spouse and minors.

Management

+-------------+---+----------------+----+---------+--------------------+
| Name /      | A | Education      | S  | Family  | Work Experience    |
| Position    | g |                | ha | Relat   |                    |
|             | e |                | re | ionship |                    |
|             |   |                | ho | between |                    |
|             |   |                | ld | Man     |                    |
|             |   |                | in | agement |                    |
|             |   |                | g* |         |                    |
|             |   |                | (  |         |                    |
|             |   |                | %) |         |                    |
+-------------+---+----------------+----+---------+--------------------+
| 1. Mrs.     | 5 | -   Master of  | 0. | -       | - Managing         |
| Linda       | 8 |     Finance,   | 01 | Sister  | Director,          |
| Lisahapanya |   |     University |    | of Mr.  | Bumrungrad         |
|             |   |     of         |    | Chai    | Hospital Pcl.      |
|   Director  |   |     Illinois,  |    | Sophonp |                    |
|             |   |     USA        |    | anich’s |                    |
|   Managing  |   |                |    | spouse  |                    |
|   Director  |   | -   Director   |    |         |                    |
|             |   |                |    |         |                    |
|             |   |  Certification |    |         |                    |
|             |   |     Program,   |    |         |                    |
|             |   |     Class      |    |         |                    |
|             |   |     78/2006,   |    |         |                    |
|             |   |     Thai       |    |         |                    |
|             |   |     Institute  |    |         |                    |
|             |   |     of         |    |         |                    |
|             |   |     Directors  |    |         |                    |
+-------------+---+----------------+----+---------+--------------------+
| 2. Dr.      | 7 | -   Doctor of  | 0. | -       | - Clinical         |
| Dhanit      | 4 |     Medicine,  | 00 |         | Professor          |
| D           |   |     Mahidol    |    |         | Emeritus,          |
| heandhanoo, |   |     University |    |         | Director,          |
| MD          |   |                |    |         | Neurosurgery Unit, |
|             |   | -   Board      |    |         | Department of      |
| Director    |   |                |    |         | Surgery, Faculty   |
|             |   | Certification: |    |         | of Medicine,       |
| Chairperson |   |                |    |         | Ramathibodi        |
| of the      |   |  Neurosurgery, |    |         | Hospital, Mahidol  |
| Medical     |   |     United     |    |         | University         |
| Board       |   |     Kingdom    |    |         |                    |
+-------------+---+----------------+----+---------+--------------------+
| 3. Mr.      | 5 | -   Executive  | -  | -       | - 2006-Present     |
| Dennis      | 6 |     Program,   |    |         |                    |
| Michael     |   |     Graduate   |    |         | Chief Executive    |
| Brown       |   |     School of  |    |         | Officer,           |
|             |   |     Business,  |    |         | Bumrungrad         |
| Member of   |   |     Stanford   |    |         | International      |
| Investment  |   |     University |    |         | Limited            |
| Committee   |   |                |    |         |                    |
|             |   | -   Bachelor’s |    |         | - 2004-2006        |
| Corporate   |   |     Degree of  |    |         |                    |
| Chief       |   |     Chemistry, |    |         | Chief Operating    |
| Executive   |   |     Valparaiso |    |         | Officer,           |
| Officer     |   |     University |    |         | Bumrungrad         |
|             |   |     ,USA       |    |         | International      |
|             |   |                |    |         | Hospital, Bangkok  |
|             |   | -   Master of  |    |         |                    |
|             |   |     Business   |    |         | - 1980-1984,       |
|             |   |                |    |         | 1985-2003          |
|             |   | Administration |    |         |                    |
|             |   |     in Health  |    |         | Senior Vice        |
|             |   |     and        |    |         | President,         |
|             |   |     Hospital   |    |         | Operations         |
|             |   |     A          |    |         | Northern Region,   |
|             |   | dministration, |    |         | Tenet Healthcare   |
|             |   |     University |    |         | Corporation        |
|             |   |     of         |    |         |                    |
|             |   |                |    |         | - Chief Executive  |
|             |   |    Florida,USA |    |         | Officer,           |
|             |   |                |    |         | Australian Medical |
|             |   |                |    |         | Enterprises,       |
|             |   |                |    |         | Australia          |
|             |   |                |    |         |                    |
|             |   |                |    |         | - Chief Executive  |
|             |   |                |    |         | Officer, Mount     |
|             |   |                |    |         | Elizabeth          |
|             |   |                |    |         | Hospital, Ltd.     |
+-------------+---+----------------+----+---------+--------------------+
| 4. Dr. Sinn | 6 | -   Doctor of  | 0. | -       | - 1987 – 1994      |
| Anuras, MD  | 9 |     Medicine,  | 01 |         |                    |
|             |   |                |    |         | Professor and Vice |
| Director    |   |  Chulalongkorn |    |         | Chairperson of     |
|             |   |     University |    |         | Medical Affairs,   |
| Group       |   |                |    |         | University Medical |
| Medical     |   | -   Board      |    |         | Center, Lubbock,   |
| Director    |   |     C          |    |         | Texas, USA         |
|             |   | ertifications: |    |         |                    |
|             |   |                |    |         |                    |
|             |   |   - American   |    |         |                    |
|             |   |   Board of     |    |         |                    |
|             |   |   Internal     |    |         |                    |
|             |   |   Medicine     |    |         |                    |
|             |   |                |    |         |                    |
|             |   | -   American   |    |         |                    |
|             |   |     Board of   |    |         |                    |
|             |   |     Ga         |    |         |                    |
|             |   | stroenterology |    |         |                    |
+-------------+---+----------------+----+---------+--------------------+

* Shareholding as at 30 December 2010, including both preference and
ordinary shares, and shares held by spouse and minors.

+----------+---+-----------------+----+------+------------------------+
| Name /   | A | Education       | S  | Fa   | Work Experience        |
| Position | g |                 | ha | mily |                        |
|          | e |                 | re | Rela |                        |
|          |   |                 | ho | tion |                        |
|          |   |                 | ld | ship |                        |
|          |   |                 | in | bet  |                        |
|          |   |                 | g* | ween |                        |
|          |   |                 | (  | Ma   |                        |
|          |   |                 | %) | nage |                        |
|          |   |                 |    | ment |                        |
+----------+---+-----------------+----+------+------------------------+
| 5. Dr.   | 5 | -   Doctor of   | -  | -    | - 1998 – Present       |
| Chamaree | 6 |     Medicine,   |    |      |                        |
| Ch       |   |     Faculty of  |    |      | Executive Committee,   |
| uapetcha |   |     Medicine,   |    |      | Royal College of       |
| rasopon, |   |     Ramathibodi |    |      | Radiologists of        |
| MD       |   |     Hospital,   |    |      | Thailand               |
|          |   |     Mahidol     |    |      |                        |
| Medical  |   |     University  |    |      | - 1998 – 2009          |
| D        |   |                 |    |      |                        |
| irector, |   | -   Board       |    |      | Consultant             |
| Bu       |   |                 |    |      | Radiologist, National  |
| mrungrad |   |  Certification: |    |      | Cancer Institute       |
| Inter    |   |     General     |    |      |                        |
| national |   |     Radiology,  |    |      | - 1986 – 1995          |
| H        |   |     Thailand    |    |      |                        |
| ospital, |   |                 |    |      | Instructor, Department |
| Bangkok  |   | -               |    |      | of Radiology, Faculty  |
|          |   |    Fellowships: |    |      | of Medicine,           |
|          |   |                 |    |      | Ramathibodi Hospital,  |
|          |   |   - Vascular    |    |      | Mahidol University     |
|          |   |   and           |    |      |                        |
|          |   |                 |    |      |                        |
|          |   |  Interventional |    |      |                        |
|          |   |   Radiology,    |    |      |                        |
|          |   |   USA           |    |      |                        |
|          |   |                 |    |      |                        |
|          |   |   - Body        |    |      |                        |
|          |   |   Imaging, USA  |    |      |                        |
+----------+---+-----------------+----+------+------------------------+
| 6. Mr.   | 6 | -   Master’s    | -  | -    | - BUPA Health Care     |
| James    | 2 |     Degree in   |    |      | Asia (previously       |
| Matthew  |   |     Health      |    |      | VISTA)                 |
| Banner   |   |     Services    |    |      |                        |
|          |   |                 |    |      | - Director and Chief   |
| Chief    |   | Administration, |    |      | Executive Officer,     |
| E        |   |     Medical     |    |      | Subang Jaya Medical    |
| xecutive |   |     College of  |    |      | Center, Kuala Lumpur,  |
| Officer, |   |     Virginia,   |    |      | Malaysia               |
| Bu       |   |     USA         |    |      |                        |
| mrungrad |   |                 |    |      |                        |
| Inter    |   |                 |    |      |                        |
| national |   |                 |    |      |                        |
| H        |   |                 |    |      |                        |
| ospital, |   |                 |    |      |                        |
| Bangkok  |   |                 |    |      |                        |
+----------+---+-----------------+----+------+------------------------+
| 7. Mrs.  | 5 | -   Bachelor’s  | 0. | -    | - 1994 – 1996          |
| Lee Chan | 6 |     Degree,     | 00 |      |                        |
| Yow      |   |     Victoria    |    |      | General Manager,       |
|          |   |     University  |    |      | Finance , Parkway      |
|   Chief  |   |     of          |    |      | Health Group           |
|   F      |   |     Wellington, |    |      |                        |
| inancial |   |     New Zealand |    |      | - 1987 – 1994          |
|          |   |                 |    |      |                        |
| Officer, |   | -   Director    |    |      | Chief Financial        |
|   Bu     |   |                 |    |      | Officer, Mount         |
| mrungrad |   |   Certification |    |      | Elizabeth Hospital     |
|   Inter  |   |     Program,    |    |      | Ltd., Singapore        |
| national |   |     Class       |    |      |                        |
|   H      |   |     78/2006,    |    |      | - 1984 – 1986          |
| ospital, |   |     Thai        |    |      |                        |
|          |   |     Institute   |    |      | Chief Accountant,      |
|  Bangkok |   |     of          |    |      | Scotts Holding (S)     |
|          |   |     Directors   |    |      | Pte. Ltd.              |
+----------+---+-----------------+----+------+------------------------+
| 8. Ms.   | 5 | -   Master of   | -  | -    | - Managing Director,   |
| Karen    | 4 |     Political   |    |      | BUPA Insurance         |
| Carter   |   |     Science,    |    |      | (Thailand)             |
|          |   |     Johns       |    |      |                        |
| Chief    |   |     Hopkins     |    |      |                        |
| O        |   |     University, |    |      |                        |
| perating |   |     Maryland,   |    |      |                        |
| Officer, |   |     USA         |    |      |                        |
| Bu       |   |                 |    |      |                        |
| mrungrad |   |                 |    |      |                        |
| Inter    |   |                 |    |      |                        |
| national |   |                 |    |      |                        |
| H        |   |                 |    |      |                        |
| ospital, |   |                 |    |      |                        |
| Bangkok  |   |                 |    |      |                        |
+----------+---+-----------------+----+------+------------------------+

* Shareholding as at 30 December 2010, including both preference and
ordinary shares, and shares held by spouse and minors.

Management / Controlling Power of Subsidiaries and Affiliates

  --------------- ------------ -------------- ------------- --------- ---------- ---------------
                  Company      Subsidiaries                                      Associated
                                                                                 Company

  Name            Bumrungrad   Bumrungrad     Vitallife     Asia      Asia       Bumrungrad
                  Hospital     Medical Center Corporation   Global    Global     International
                  Public       Limited        Limited       Health    Research   Limited
                  Company                                   Company   Company    
                  Limited                                   Limited   Limited    

  1. Mr. Chai     X            X              X                                  
  Sophonpanich                                                                   

  2. Dr. Chanvit  /            /                                                 
  Tanphiphat, MD                                                                 

  3. Mrs. Linda   //           //             /             X         /          /
  Lisahapanya                                                                    

  4. Dr. Dhanit   //           //                                                
  Dheandhanoo, MD                                                                

  5. Dr. Sinn     //           //             /                       X          
  Anuras, MD                                                                     

  6. Mr. Chong    /            /                                                 /
  Toh                                                                            

  7. Ms.          /                                                              
  Sophavadee                                                                     
  Uttamobol                                                                      

  8. Mr. Soradis  /                                                              
  Vinyaratn                                                                      

  9. Mr.          /            /                                                 
  Boonpakorn                                                                     
  Chokwathana                                                                    

  10. Mrs. Aruni  /                                                              
  Kettratad                                                                      

  11. Dr.         /                                                              /
  Jennifer Lee,                                                                  
  MD                                                                             
  --------------- ------------ -------------- ------------- --------- ---------- ---------------

Notes:

  1. / = Director X = Chairman // = Management

  2. CDE Trading Company Limited (formerly Global Care Solutions
  (Thailand) Company Limited) and Global Care Solutions S.A. are not
  shown in the above table as no director/management of the Company
  holds the position of director, chairman or management in CDE Trading
  Company Limited and Global Care Solutions S.A.