Attachment 1 Details of management and controlling parties

Directors

+-------------+---+-------------+-----+---------+--------------------+
| Name /      | A | Education   | Sh  | Family  | Work Experience    |
| Position    | g |             | are | Relat   |                    |
|             | e |             | hol | ionship |                    |
|             |   |             | din | between |                    |
|             |   |             | g * | Man     |                    |
|             |   |             | (%) | agement |                    |
+-------------+---+-------------+-----+---------+--------------------+
| 1. Mr. Chai | 6 | -           | 1   |   -     |   - 1976 – Present |
| S           | 5 |    Bachelor | .09 |         |   President and    |
| ophonpanich |   |     of      |     | Husband |   Managing         |
|             |   |             |     |   of    |   Director,        |
|             |   |    Science, |     |   Mrs.  |   Bangkok          |
| Chairperson |   |             |     |   Linda |   Insurance Pcl.   |
|             |   |  University |     |         |                    |
|             |   |     of      |     |  Lisaha |   - 1978 – Present |
|             |   |             |     | panya’s |   Chairman,        |
|             |   |   Colorado, |     |         |   Bangkok          |
|             |   |     USA     |     |  sister |   Insurance Pcl.   |
|             |   |             |     |         |                    |
|             |   | -           |     |   -     |   - 1986 – Present |
|             |   |    Advanced |     |         |   Chairman,        |
|             |   |             |     | Brother |   Charoong Thai    |
|             |   |  Management |     |   of    |   Wire & Cable     |
|             |   |             |     |   Mr.   |   Pcl.             |
|             |   |    Program, |     |         |                    |
|             |   |     The     |     |  Chatri |   - 1988 – Present |
|             |   |     Wharton |     |   Sopho |   Chairman,        |
|             |   |     School, |     | npanich |   Furukawa Metal   |
|             |   |             |     |         |   (Thailand) Pcl.  |
|             |   |  University |     |         |                    |
|             |   |     of      |     |         |   - 1989 – Present |
|             |   |     Pe      |     |         |   Director, Amata  |
|             |   | nnsylvania, |     |         |   Corporation Pcl. |
|             |   |     USA     |     |         |                    |
|             |   |             |     |         |   - 1968 – Present |
|             |   | -   The     |     |         |   Director,        |
|             |   |     Joint   |     |         |   Bangkok Life     |
|             |   |     State - |     |         |   Assurance Ltd.   |
|             |   |     Private |     |         |                    |
|             |   |     Sectors |     |         |   - 1968 – Present |
|             |   |     Course, |     |         |   Vice Chairman,   |
|             |   |     Class   |     |         |   Thai Reinsurance |
|             |   |     6, The  |     |         |   Pcl.             |
|             |   |             |     |         |                    |
|             |   |    National |     |         |                    |
|             |   |     Defense |     |         |                    |
|             |   |     College |     |         |                    |
|             |   |     of      |     |         |                    |
|             |   |             |     |         |                    |
|             |   |    Thailand |     |         |                    |
|             |   |             |     |         |                    |
|             |   | -           |     |         |                    |
|             |   |    Director |     |         |                    |
|             |   |     Ce      |     |         |                    |
|             |   | rtification |     |         |                    |
|             |   |     Program |     |         |                    |
|             |   |     Class   |     |         |                    |
|             |   |             |     |         |                    |
|             |   |    16/2002, |     |         |                    |
|             |   |     Thai    |     |         |                    |
|             |   |             |     |         |                    |
|             |   |   Institute |     |         |                    |
|             |   |     of      |     |         |                    |
|             |   |             |     |         |                    |
|             |   |   Directors |     |         |                    |
|             |   |             |     |         |                    |
|             |   | -           |     |         |                    |
|             |   |    Chairman |     |         |                    |
|             |   |     2000,   |     |         |                    |
|             |   |     Class   |     |         |                    |
|             |   |             |     |         |                    |
|             |   |    10/2004, |     |         |                    |
|             |   |     Thai    |     |         |                    |
|             |   |             |     |         |                    |
|             |   |   Institute |     |         |                    |
|             |   |     of      |     |         |                    |
|             |   |             |     |         |                    |
|             |   |   Directors |     |         |                    |
+-------------+---+-------------+-----+---------+--------------------+
| 2. Mr.      | 6 |   - MB ChB  | 0   |   -     |   - Professor,     |
| Chanvit     | 3 |   (Bachelor | .07 |         |   Faculty of       |
| Tanphiphat, |   |   of        |     |         |   Medical Science, |
| MD          |   |   Medicine  |     |         |   Surgery          |
|             |   |   and       |     |         |   Department,      |
| Vice        |   |   Bachelor  |     |         |   Chulalongkorn    |
| Chairperson |   |   of        |     |         |   University       |
|             |   |   Surgery), |     |         |                    |
|             |   |   Leeds     |     |         |                    |
|             |   |             |     |         |                    |
|             |   | University, |     |         |                    |
|             |   |   England   |     |         |                    |
|             |   |             |     |         |                    |
|             |   |   - FRCS    |     |         |                    |
|             |   |             |     |         |                    |
|             |   | (Fellowship |     |         |                    |
|             |   |   of the    |     |         |                    |
|             |   |   Royal     |     |         |                    |
|             |   |   College   |     |         |                    |
|             |   |   of        |     |         |                    |
|             |   |             |     |         |                    |
|             |   |  Surgeons), |     |         |                    |
|             |   |   England   |     |         |                    |
+-------------+---+-------------+-----+---------+--------------------+

* Shareholding as at 19 February 2007, including spouse and minors

+-------------+---+------------------+-----+--------+----------------+
| Name /      | A | Education        | Sh  | Family | Work           |
| Position    | g |                  | are | Relati | Experience     |
|             | e |                  | hol | onship |                |
|             |   |                  | din | b      |                |
|             |   |                  | g * | etween |                |
|             |   |                  | (%) | Mana   |                |
|             |   |                  |     | gement |                |
+-------------+---+------------------+-----+--------+----------------+
| 3. Mrs.     | 5 | - Master of      | 0   | -      |   - Managing   |
| Linda       | 5 | Finance,         | .18 | Sister |   Director,    |
| Lisahapanya |   | University of    |     | of Mr. |   Bumrungrad   |
|             |   | Illinois, USA    |     | Chai   |   Hospital     |
|   Managing  |   |                  |     | So     |   Pcl.         |
|   Director  |   | - Director       |     | phonpa |                |
|             |   | Certification    |     | nich’s |                |
|             |   | Program Class    |     | wife   |                |
|             |   | 78/2006, Thai    |     |        |                |
|             |   | Institute of     |     |        |                |
|             |   | Directors        |     |        |                |
+-------------+---+------------------+-----+--------+----------------+
| 4. Mrs.     | 5 | - Bachelor of    | -   | -      |   - 1976 -     |
| Kulathida   | 4 | Science in       |     |        |   Present      |
| Sivayathorn |   | Chemistry,       |     |        |   Current      |
|             |   | Stetson          |     |        |   Position:    |
| Director    |   | University, USA  |     |        |   Executive    |
|             |   |                  |     |        |   Vice         |
|             |   | - Chief          |     |        |   President,   |
|             |   | Financial        |     |        |   Bangkok Bank |
|             |   | Officer          |     |        |   Pcl.         |
|             |   | Certification    |     |        |                |
|             |   | Program,         |     |        |                |
|             |   | Federation of    |     |        |                |
|             |   | Accounting       |     |        |                |
|             |   | Professions,     |     |        |                |
|             |   | Class 6/2006     |     |        |                |
|             |   |                  |     |        |                |
|             |   | - Advanced       |     |        |                |
|             |   | Management       |     |        |                |
|             |   | Program, Harvard |     |        |                |
|             |   | Business School, |     |        |                |
|             |   | 1997             |     |        |                |
|             |   |                  |     |        |                |
|             |   | - Director       |     |        |                |
|             |   | Certification    |     |        |                |
|             |   | Program Class    |     |        |                |
|             |   | 3/2000, Thai     |     |        |                |
|             |   | Institute of     |     |        |                |
|             |   | Directors        |     |        |                |
+-------------+---+------------------+-----+--------+----------------+
| 5. Mr. John | 7 | - MRCOG (Member  | -   | -      |   -            |
| Y           | 1 | of Royal College |     |        |   Independent  |
| angpichitt, |   | of Obstetricians |     |        |   physician,   |
| MD          |   | and              |     |        |   Ruamrudee    |
|             |   | Gynecologists),  |     |        |   Clinic       |
| Director    |   | Queens           |     |        |                |
|             |   | University,      |     |        |                |
|             |   | England          |     |        |                |
|             |   |                  |     |        |                |
|             |   | - FRCOG (Fellow  |     |        |                |
|             |   | of Royal College |     |        |                |
|             |   | of Obstetricians |     |        |                |
|             |   | and              |     |        |                |
|             |   | Gynecologists),  |     |        |                |
|             |   | Queens           |     |        |                |
|             |   | University,      |     |        |                |
|             |   | England          |     |        |                |
+-------------+---+------------------+-----+--------+----------------+
| 6. Mr.      | 7 | - Doctor of      | 0   | -      |   - Clinical   |
| Dhanit      | 1 | Medicine,        | .02 |        |   Professor    |
| D           |   | Mahidol          |     |        |   Emeritus,    |
| heandhanoo, |   | University       |     |        |   Director,    |
| MD          |   |                  |     |        |   Neurology    |
|             |   | - Board          |     |        |   Surgery      |
| Director    |   | Certification:   |     |        |   Department,  |
|             |   | Neurosurgery,    |     |        |   Ramathibodi  |
|             |   | England          |     |        |   University   |
+-------------+---+------------------+-----+--------+----------------+

* Shareholding as at 19 February 2007, including spouse and minors

+-------------+---+-----------------+-----+--------+-----------------+
| Name /      | A | Education       | Sh  | Family | Work Experience |
| Position    | g |                 | are | Relati |                 |
|             | e |                 | hol | onship |                 |
|             |   |                 | din | b      |                 |
|             |   |                 | g * | etween |                 |
|             |   |                 | (%) | Mana   |                 |
|             |   |                 |     | gement |                 |
+-------------+---+-----------------+-----+--------+-----------------+
| 7. Ms. Khun | 6 | - Doctor of     | 0   | -      | - 1980 –        |
| Swanya      | 1 | Medicine,       | .04 |        | Present         |
| Dej-Udom,   |   | Mahidol         |     |        | Cardiologist,   |
| MD          |   | University      |     |        | Bumrungrad      |
|             |   |                 |     |        | Hospital Pcl.   |
| Director    |   | - Board         |     |        |                 |
|             |   | C               |     |        | - 1992 –        |
|             |   | ertification: - |     |        | Present         |
|             |   | Internal        |     |        | Cardiologist,   |
|             |   | Medicine        |     |        | Paat Pattana    |
|             |   |                 |     |        | Medical Center  |
|             |   | - Cardiology    |     |        |                 |
|             |   |                 |     |        | - Present       |
|             |   | - Director      |     |        | Academic        |
|             |   | Accreditation   |     |        | Director, The   |
|             |   | Program Class   |     |        | Heart           |
|             |   | 47/2005, Thai   |     |        | Foundation of   |
|             |   | Institute of    |     |        | Thailand Under  |
|             |   | Directors       |     |        | Royal Patronage |
+-------------+---+-----------------+-----+--------+-----------------+
| 8. Mr.      | 7 | - MB ChB        | 0   | -      | - Emeritus      |
| Anant       | 3 | (Bachelor of    | .14 |        | Professor,      |
| Tejavej, MD |   | Medicine and    |     |        | Pediatrics,     |
|             |   | Bachelor of     |     |        | Medical Science |
| Director    |   | Surgery),       |     |        | Faculty,        |
|             |   | Edinburgh       |     |        | Mahidol         |
|             |   | University,     |     |        | University      |
|             |   | Scotland        |     |        |                 |
|             |   |                 |     |        |                 |
|             |   | - DCH, England  |     |        |                 |
|             |   |                 |     |        |                 |
|             |   | - FRCP (Fellow  |     |        |                 |
|             |   | of the Royal    |     |        |                 |
|             |   | College of      |     |        |                 |
|             |   | Physicians),    |     |        |                 |
|             |   | Edinburgh,      |     |        |                 |
|             |   | Scotland        |     |        |                 |
|             |   |                 |     |        |                 |
|             |   | - Director      |     |        |                 |
|             |   | Accreditation   |     |        |                 |
|             |   | Program Class   |     |        |                 |
|             |   | 47/2005, Thai   |     |        |                 |
|             |   | Institute of    |     |        |                 |
|             |   | Directors       |     |        |                 |
+-------------+---+-----------------+-----+--------+-----------------+

* Shareholding as at 19 February 2007, including spouse and minors

+-----------+---+-----------------+-----+-------+--------------------+
| Name /    | A | Education       | Sh  | F     | Work Experience    |
| Position  | g |                 | are | amily |                    |
|           | e |                 | hol | Re    |                    |
|           |   |                 | din | latio |                    |
|           |   |                 | g * | nship |                    |
|           |   |                 | (%) | be    |                    |
|           |   |                 |     | tween |                    |
|           |   |                 |     | Manag |                    |
|           |   |                 |     | ement |                    |
+-----------+---+-----------------+-----+-------+--------------------+
| 9. Mr.    | 3 | - Master of     | -   | -     | - 2005 - Present   |
| Chong Toh | 9 | Science in      |     |       | Executive Vice     |
|           |   | Management,     |     |       | President,         |
| Director  |   | Massachusetts   |     |       | International      |
|           |   | institute of    |     |       | Banking Group,     |
|           |   | Technology, USA |     |       | Bangkok Bank Plc.  |
|           |   |                 |     |       |                    |
|           |   | - Bachelor of   |     |       | - 2005 – Present   |
|           |   | Arts in         |     |       | Executive          |
|           |   | Philosophy,     |     |       | Chairman, Bualuang |
|           |   | Politics and    |     |       | Securities Plc.    |
|           |   | Economics,      |     |       |                    |
|           |   | Oxford          |     |       | - 2001 – Present   |
|           |   | University,     |     |       | Director, Bualuang |
|           |   | England         |     |       | Securities Plc.    |
|           |   |                 |     |       |                    |
|           |   |                 |     |       | - 2000 – Present   |
|           |   |                 |     |       | Director, Asia     |
|           |   |                 |     |       | Cement Plc.        |
|           |   |                 |     |       |                    |
|           |   |                 |     |       | - 2001 - 2005      |
|           |   |                 |     |       | President,         |
|           |   |                 |     |       | Bualuang           |
|           |   |                 |     |       | Securities Plc.    |
|           |   |                 |     |       |                    |
|           |   |                 |     |       | - 1999 - 2005      |
|           |   |                 |     |       | President,         |
|           |   |                 |     |       | Bualuang Finance   |
|           |   |                 |     |       | Co., Ltd.          |
|           |   |                 |     |       |                    |
|           |   |                 |     |       | - 2000 – 2001      |
|           |   |                 |     |       | Director, Bualuang |
|           |   |                 |     |       | Finance Co., Ltd.  |
+-----------+---+-----------------+-----+-------+--------------------+

* Shareholding as at 19 February 2007, including spouse and minors

+-----------+---+-----------------+-----+--------+------------------+
| Name /    | A | Education       | Sh  | Family | Work Experience  |
| Position  | g |                 | are | Relati |                  |
|           | e |                 | hol | onship |                  |
|           |   |                 | din | b      |                  |
|           |   |                 | g * | etween |                  |
|           |   |                 | (%) | Mana   |                  |
|           |   |                 |     | gement |                  |
+-----------+---+-----------------+-----+--------+------------------+
| 10. Ms.   | 4 | - Master of     | -   | -      | - 1991 - present |
| S         | 7 | Business        |     |        | Legal            |
| ophavadee |   | Administration, |     |        | Consultant,      |
| Uttamobol |   | Chulalongkorn   |     |        | Dhamrongtham Law |
|           |   | University      |     |        | Office           |
|           |   |                 |     |        |                  |
|  Director |   | - Director      |     |        | - 2001 – present |
|           |   | Accreditation   |     |        | Director, S&P    |
|   Ch      |   | Program Class   |     |        | Syndicate Pcl.   |
| airperson |   | 5/2003, Thai    |     |        |                  |
|   of      |   | Institute of    |     |        |                  |
|   Audit   |   | Directors       |     |        |                  |
|           |   |                 |     |        |                  |
| Committee |   | - Audit         |     |        |                  |
|           |   | Committees      |     |        |                  |
|           |   | Program Class   |     |        |                  |
|           |   | 2/2004, Thai    |     |        |                  |
|           |   | Institute of    |     |        |                  |
|           |   | Directors       |     |        |                  |
|           |   |                 |     |        |                  |
|           |   | - The Role of   |     |        |                  |
|           |   | the Chairman    |     |        |                  |
|           |   | Program Class   |     |        |                  |
|           |   | 14/2006, Thai   |     |        |                  |
|           |   | Institute of    |     |        |                  |
|           |   | Director        |     |        |                  |
+-----------+---+-----------------+-----+--------+------------------+
| 11. Mr.   | 6 | - Bank          | 0   | -      | - 1982 - present |
| Soradis   | 7 | Management,     | .02 |        | Vice             |
| Vinyaratn |   | City of London  |     |        | Chairperson,     |
|           |   | College of      |     |        | Landmark Hotel   |
| Director  |   | Banking,        |     |        | Group            |
|           |   | London, England |     |        |                  |
| Member of |   |                 |     |        | - 1957 – 1990    |
| Audit     |   | - Director      |     |        | Executive Vice   |
| Committee |   | Accreditation   |     |        | President,       |
|           |   | Program Class   |     |        | Bangkok Bank     |
|           |   | CP on 5 May     |     |        | Pcl.             |
|           |   | 2005, Thai      |     |        |                  |
|           |   | Institute of    |     |        |                  |
|           |   | Directors       |     |        |                  |
+-----------+---+-----------------+-----+--------+------------------+
| 12. Mr.   | 7 | - Bachelor’s    | 0   | -      | - Chairperson,   |
| B         | 2 | Degree of       | .04 |        | New City         |
| oonpakorn |   | Economics,      |     |        | (Bangkok) Pcl.   |
| Ch        |   | University of   |     |        |                  |
| okwathana |   | Nottingham,     |     |        | - Chairperson,   |
|           |   | England         |     |        | Dr. Tiem         |
|           |   |                 |     |        | Chokwathana      |
|  Director |   | - Director      |     |        | Foundation       |
|           |   | Certification   |     |        |                  |
|   Member  |   | Program Class   |     |        | - Vice           |
|   of      |   | 68/2005, Thai   |     |        | Chairperson,     |
|   Audit   |   | Institute of    |     |        | Saha             |
|           |   | Directors       |     |        | Pathanapibul     |
| Committee |   |                 |     |        | Pcl.             |
|           |   | - Director      |     |        |                  |
|           |   | Accreditation   |     |        | - Vice           |
|           |   | Program Class   |     |        | Chairperson,     |
|           |   | 3/2003, Thai    |     |        | Saha Pathana     |
|           |   | Institute of    |     |        | Inter-Holding    |
|           |   | Directors       |     |        | Pcl,             |
|           |   |                 |     |        |                  |
|           |   |                 |     |        | - Director, IT   |
|           |   |                 |     |        | City Pcl.        |
+-----------+---+-----------------+-----+--------+------------------+

* Shareholding as at 19 February 2007, including spouse and minors

+-----------+---+-----------------+-----+--------+------------------+
| Name /    | A | Education       | Sh  | Family | Work Experience  |
| Position  | g |                 | are | Relati |                  |
|           | e |                 | hol | onship |                  |
|           |   |                 | din | b      |                  |
|           |   |                 | g * | etween |                  |
|           |   |                 | (%) | Mana   |                  |
|           |   |                 |     | gement |                  |
+-----------+---+-----------------+-----+--------+------------------+
| 13. Mr.   | 7 | - Honorary      | 0   | -      | - 1999 – present |
| Chatri    | 3 | Doctorate in    | .50 | B      | Chairman,        |
| Sop       |   | Business        |     | rother | Bangkok Bank     |
| honpanich |   | Administration, |     | of Mr. | Pcl.             |
|           |   | Thammasart      |     | Chai   |                  |
| Director  |   | University      |     | Sophon | - 1999 – present |
|           |   |                 |     | panich | Chairman,        |
|           |   | - Honorary      |     |        | Bangkok          |
|           |   | Doctorate of    |     |        | Entertainment    |
|           |   | Philosophy in   |     |        | Co., Ltd.        |
|           |   | Business        |     |        |                  |
|           |   | Administration, |     |        | - Present        |
|           |   | De La Salle     |     |        | Chairman, Dusit  |
|           |   | University, the |     |        | Thani Pcl.       |
|           |   | Philippines     |     |        |                  |
|           |   |                 |     |        | - 1963 - Present |
|           |   | - Certificate   |     |        | Director,        |
|           |   | of Banking from |     |        | Bangkok Bank     |
|           |   | Institute of    |     |        | Pcl.             |
|           |   | Bankers,        |     |        |                  |
|           |   | London, England |     |        |                  |
+-----------+---+-----------------+-----+--------+------------------+
| 14. Mr.   | 5 | - Master’s      | 0   | -      | - 1997 – Present |
| Curtis    | 1 | degree in       | .01 |        | Group Chief      |
| John      |   | Health Services |     |        | Executive        |
| Schroeder |   | Administration, |     |        | Officer,         |
|           |   | University of   |     |        | Bumrungrad       |
| Director  |   | Southern        |     |        | Hospital Pcl.    |
|           |   | California, USA |     |        |                  |
|           |   |                 |     |        | - 1987 – 1993    |
|           |   | - Director      |     |        | Director, USC    |
|           |   | Certification   |     |        | University       |
|           |   | Program Class   |     |        | Hospital, Los    |
|           |   | 78/2006, Thai   |     |        | Angeles,         |
|           |   | Institute of    |     |        | California       |
|           |   | Directors       |     |        |                  |
+-----------+---+-----------------+-----+--------+------------------+
| 15.       | 5 | -   Master’s    | -   | -      | - Executive      |
| Sultan    | 2 |     degree in   |     |        | Chairman, Dubai  |
| Ahmad Bin |   |     Economics,  |     |        | Ports            |
| Sulayem   |   |     Temple      |     |        |                  |
|           |   |     University, |     |        | - Executive      |
| Director  |   |                 |     |        | Chairman,        |
|           |   |   Philadelphia, |     |        | Customs and Free |
|           |   |     USA         |     |        | Zone Corporation |
|           |   |                 |     |        |                  |
|           |   |                 |     |        | - Chairman,      |
|           |   |                 |     |        | Nakheel LLC      |
|           |   |                 |     |        |                  |
|           |   |                 |     |        | - Chairman,      |
|           |   |                 |     |        | Tejari.com       |
|           |   |                 |     |        |                  |
|           |   |                 |     |        | - Chairman,      |
|           |   |                 |     |        | Dubai Metals and |
|           |   |                 |     |        | Commodities      |
|           |   |                 |     |        | Center           |
+-----------+---+-----------------+-----+--------+------------------+

* Shareholding as at 19 February 2007, including spouse and minors

Management

+-------------+---+-----------------+-----+--------+------------------+
| Name /      | A | Education       | Sh  | Family | Work Experience  |
| Position    | g |                 | are | Relati |                  |
|             | e |                 | hol | onship |                  |
|             |   |                 | din | b      |                  |
|             |   |                 | g * | etween |                  |
|             |   |                 | (%) | Mana   |                  |
|             |   |                 |     | gement |                  |
+-------------+---+-----------------+-----+--------+------------------+
| 1. Mrs.     | 5 | - Master of     | 0   | -      |   - Managing     |
| Linda       | 5 | Finance,        | .18 | Sister |   Director,      |
| Lisahapanya |   | University of   |     | of Mr. |   Bumrungrad     |
|             |   | Illinois, USA   |     | Chai   |   Hospital Pcl.  |
|   Managing  |   |                 |     | So     |                  |
|   Director  |   | - Director      |     | phonpa |                  |
|             |   | Certification   |     | nich’s |                  |
|             |   | Program Class   |     | wife   |                  |
|             |   | 78/2006, Thai   |     |        |                  |
|             |   | Institute of    |     |        |                  |
|             |   | Directors       |     |        |                  |
+-------------+---+-----------------+-----+--------+------------------+
| 2. Mr.      | 7 | - Doctor of     | 0   | -      |   - Clinical     |
| Dhanit      | 1 | Medicine,       | .02 |        |   Professor      |
| D           |   | Mahidol         |     |        |   Emeritus,      |
| heandhanoo, |   | University      |     |        |   Director,      |
| MD          |   |                 |     |        |   Neurology      |
|             |   | - Board         |     |        |   Surgery        |
|             |   | Certification:  |     |        |   Department,    |
| Chairperson |   | Neurosurgery,   |     |        |   Ramathibodi    |
|   of the    |   | England         |     |        |   University     |
|   Medical   |   |                 |     |        |                  |
|   Director  |   |                 |     |        |                  |
+-------------+---+-----------------+-----+--------+------------------+
| 3. Mr.      | 5 | - Master’s      | 0   | -      | - 1997 – Present |
| Curtis John | 1 | degree in       | .01 |        | Group Chief      |
| Schroeder   |   | Health Services |     |        | Executive        |
|             |   | Administration, |     |        | Officer,         |
| Group Chief |   | University of   |     |        | Bumrungrad       |
| Executive   |   | Southern        |     |        | Hospital Pcl.    |
| Officer     |   | California, USA |     |        |                  |
|             |   |                 |     |        | - 1987 – 1993    |
|             |   | - Director      |     |        | Director, USC    |
|             |   | Certification   |     |        | University       |
|             |   | Program Class   |     |        | Hospital, Los    |
|             |   | 78/2006, Thai   |     |        | Angeles,         |
|             |   | Institute of    |     |        | California       |
|             |   | Directors       |     |        |                  |
+-------------+---+-----------------+-----+--------+------------------+
| 4. Mr. Sinn | 6 | - MD            | -   | -      | - 1987-1994 Vice |
| Anuras, MD  | 6 | Chulalongkorn   |     |        | Chairperson for  |
|             |   | University      |     |        | Medical Affair   |
|   Group     |   |                 |     |        | University       |
|   Medical   |   | - Board         |     |        | Medical Center   |
|   Director  |   | Certifications: |     |        | Lubbook, Texas   |
|             |   |                 |     |        |                  |
|             |   |   - American    |     |        |                  |
|             |   |   Board of      |     |        |                  |
|             |   |   Internal      |     |        |                  |
|             |   |   Medicine      |     |        |                  |
|             |   |                 |     |        |                  |
|             |   | -   American    |     |        |                  |
|             |   |     Board of    |     |        |                  |
|             |   |     G           |     |        |                  |
|             |   | astroenterology |     |        |                  |
+-------------+---+-----------------+-----+--------+------------------+
| 5. Mr.      | 5 | - MD, Mahidol   | -   | -      | - 1989           |
| Karoon      | 7 | University      |     |        | Orthopedics      |
| Me          |   |                 |     |        | Consultant,      |
| kanontchai, |   | -   Board       |     |        | Bumrungrad       |
| MD          |   |                 |     |        | Hospital Pcl.    |
|             |   |  Certification: |     |        |                  |
| Medical     |   |     Orthopedic  |     |        | - 1983-1998      |
| Director    |   |     Surgery     |     |        | Orthopedics and  |
|             |   |                 |     |        | Rehabilitation   |
|             |   |                 |     |        | Medical School   |
|             |   |                 |     |        | Mahidol          |
|             |   |                 |     |        | University       |
|             |   |                 |     |        |                  |
|             |   |                 |     |        | - 1978-1993 Full |
|             |   |                 |     |        | time physician,  |
|             |   |                 |     |        | Saraburi         |
|             |   |                 |     |        | Province         |
|             |   |                 |     |        | Hospital         |
+-------------+---+-----------------+-----+--------+------------------+

* Shareholding as at 19 February 2007, including spouse and minors

+-------------+---+----------------+-----+--------+------------------+
| Name /      | A | Education      | Sh  | Family | Work Experience  |
| Position    | g |                | are | Relati |                  |
|             | e |                | hol | onship |                  |
|             |   |                | din | b      |                  |
|             |   |                | g * | etween |                  |
|             |   |                | (%) | Mana   |                  |
|             |   |                |     | gement |                  |
+-------------+---+----------------+-----+--------+------------------+
| 6. Mrs.     | 5 | - MD, Mahidol  | -   | -      |   - 1998-present |
| Chamaree    | 2 | University,    |     |        |   Executive      |
| Chuape      |   | Ramathibodi    |     |        |   Committee,     |
| tcharasopon |   | Hospital       |     |        |   Royal College  |
| , MD        |   |                |     |        |   of             |
|             |   | - Board        |     |        |   Radiologists   |
| Senior      |   | Certification: |     |        |   of Thailand    |
| Associate   |   | General        |     |        |                  |
| Medical     |   | Radiology,     |     |        |   - 1994-present |
| Director    |   | Thailand       |     |        |   Consultant     |
|             |   |                |     |        |   Radiologist,   |
|             |   | - Fellowships: |     |        |   National       |
|             |   |                |     |        |   Cancer         |
|             |   |   - Vascular   |     |        |   Institute      |
|             |   |   and          |     |        |                  |
|             |   |                |     |        |   - 1990-1995    |
|             |   | Interventional |     |        |   Instructor,    |
|             |   |   Radiology,   |     |        |   Department of  |
|             |   |   USA          |     |        |   Radiology,     |
|             |   |                |     |        |   Ramathibodi    |
|             |   | -   Body       |     |        |   Hospital,      |
|             |   |     Imaging,   |     |        |   Mahidol        |
|             |   |     USA        |     |        |   University     |
+-------------+---+----------------+-----+--------+------------------+
| 7. Mr. Carl | 5 | - Graduate     | 0   | -      |   - Chairperson  |
| Stanifer    | 8 | studies in     | .02 |        |   and President  |
|             |   | Health         |     |        |   of VISTA       |
| Group Chief |   | Planning and   |     |        |   Healthcare,    |
| Financial   |   | Administration |     |        |   Singapore      |
| Officer and |   | at the         |     |        |                  |
| Director of |   | University of  |     |        |   - Senior Vice  |
| In          |   | Cincinnati,    |     |        |   President,     |
| ternational |   | USA            |     |        |   Operations of  |
| Development |   |                |     |        |   International  |
|             |   | - Bachelor’s   |     |        |   Healthcare     |
|             |   | Degree in      |     |        |   Division,      |
|             |   | Accounting and |     |        |   Tenet          |
|             |   | Finance,       |     |        |   Healthcare     |
|             |   | Cumberland     |     |        |   Corporation    |
|             |   | College, USA   |     |        |                  |
|             |   |                |     |        |   - Experience   |
|             |   |                |     |        |   in Saudi       |
|             |   |                |     |        |   Arabia,        |
|             |   |                |     |        |   Australia and  |
|             |   |                |     |        |   Malaysia       |
+-------------+---+----------------+-----+--------+------------------+
| 8. Mr.      | 5 | - Executive    | -   | -      |   - 2003-2004    |
| Dennis      | 3 | Program,       |     |        |   Chief          |
| Brown       |   | Graduate       |     |        |   Executive      |
|             |   | School of      |     |        |   Officer, BFT   |
|   Group     |   | Business,      |     |        |   Investments,   |
|   Chief     |   | Stanford       |     |        |   LLC.           |
|   Operating |   | University,    |     |        |                  |
|   Officer   |   | USA            |     |        |   - 1980-1984    |
|             |   |                |     |        |   Senior Vice    |
| Chief       |   | - Company      |     |        |   President,     |
| Executive   |   | Director’s     |     |        |                  |
| Officer,    |   | Diploma,       |     |        |   - 1985-2003    |
| Bumrungrad  |   | University of  |     |        |   Operations     |
| In          |   | New England,   |     |        |   Northern       |
| ternational |   | Australia      |     |        |   Region, Tenet  |
| Limited     |   |                |     |        |   Healthcare     |
|             |   | - Master of    |     |        |   Corporation    |
|             |   | Business       |     |        |                  |
|             |   | Administration |     |        |   - Chief        |
|             |   | in Health and  |     |        |   Executive      |
|             |   | Hospital       |     |        |   Officer,       |
|             |   | A              |     |        |   Australian     |
|             |   | dministration, |     |        |   Medical        |
|             |   | University of  |     |        |   Enterprises,   |
|             |   | Florida, USA   |     |        |   Australia      |
|             |   |                |     |        |                  |
|             |   |                |     |        |   - Chief        |
|             |   |                |     |        |   Executive      |
|             |   |                |     |        |   Officer, Mount |
|             |   |                |     |        |   Elizabeth      |
|             |   |                |     |        |   Hospital, Ltd. |
+-------------+---+----------------+-----+--------+------------------+

  * Shareholding as at 19 February 2007, including spouse and minors

+-------------+---+----------------+-----+--------+-------------------+
| Name /      | A | Education      | Sh  | Family | Work Experience   |
| Position    | g |                | are | Relati |                   |
|             | e |                | hol | onship |                   |
|             |   |                | din | b      |                   |
|             |   |                | g * | etween |                   |
|             |   |                | (%) | Mana   |                   |
|             |   |                |     | gement |                   |
+-------------+---+----------------+-----+--------+-------------------+
| 9. Mr.      | 5 |   - Master of  | -   | -      | - BUPA Health     |
| James       | 9 |   Hospital     |     |        | Care Asia         |
| Matthew     |   |   A            |     |        | (previously       |
| Banner      |   | dministration, |     |        | VISTA)            |
| Chief       |   |   Medical      |     |        |                   |
| Executive   |   |   College of   |     |        | - Director and    |
| Officer     |   |   Virginia,    |     |        | CEO of Subang     |
|             |   |   USA          |     |        | Jaya Medical      |
|             |   |                |     |        | Center, Kuala     |
|             |   |                |     |        | Lumpur            |
+-------------+---+----------------+-----+--------+-------------------+
| 10. Mrs.    | 5 | -   Bachelor’s | 0   | -      | - 1987-1994 Chief |
| Khor Lee    | 2 |     degree,    | .00 |        | Financial         |
| Chan        |   |     Victoria   |     |        | Officer, Mount    |
|             |   |     University |     |        | Elizabeth         |
| Chief       |   |     of         |     |        | Hospital Ltd.     |
| Financial   |   |                |     |        |                   |
| Officer     |   |    Wellington, |     |        | - 1984-1986 Chief |
|             |   |     New        |     |        | Accountant,       |
|             |   |     Zealand    |     |        | Scotts Holding    |
|             |   |                |     |        | (S) Pte. Ltd      |
|             |   |                |     |        |                   |
|             |   |                |     |        | - 1982-1983       |
|             |   |                |     |        | Internal Manager, |
|             |   |                |     |        | Diethelm          |
|             |   |                |     |        | Singapore Pte.    |
|             |   |                |     |        | Ltd.              |
+-------------+---+----------------+-----+--------+-------------------+
| 11. Ms.     | 4 |   - Master     | -   | -      | - 2003-2005       |
| Janice Chan | 5 |   Degree,      |     |        | Director of       |
| Mun Yee     |   |   George       |     |        | Operations,       |
|             |   |   Washington   |     |        | Bumrungrad        |
| Chief       |   |   University   |     |        | Medical Center    |
| Operating   |   |                |     |        |                   |
| Officer     |   |                |     |        | - 2000-2003       |
|             |   |                |     |        | Division          |
|             |   |                |     |        | Director,         |
|             |   |                |     |        | Hospital          |
|             |   |                |     |        | Administrative,   |
|             |   |                |     |        | Bumrungrad        |
|             |   |                |     |        | Medical Center    |
+-------------+---+----------------+-----+--------+-------------------+

  * Shareholding as at 19 February 2007, including spouse and minors

Management / Controlling Power of Subsidiaries and Affiliates

  ------------------------------- --------- -------------- ----------- ---------
                                  Company   Subsidiaries               

  Name                            BH        BMC            Vitallife   BIL

  1. Mr. Chai Sophonpanich        X         X              X           

  2. Mr. Chanvit Tanphiphat, MD   /         /                          

  3. Mrs. Linda Lisahapanya       //        //             /           

  4. Mrs. Kulathida Sivayathorn   /         /                          

  5. Mr. John Yangpichitt, MD     /                                    

  6. Mr. Dhanit Dheandhanoo, MD   //        //                         

  7. Ms. Khun Sawanya Dej-Udom,   /                                    
  MD                                                                   

  8 Mr. Anant Tejavej, MD         /                                    

  9 Mr. Chong Toh                 /         /                          

  10. Ms. Sophavadee Uttamobol    /                                    

  11. Mr. Soradis Vinyaratn       /                                    

  12. Mr. Boonpakorn Chokwathana  /         /                          

  13. Mr. Chatri Sophonpanich     /                                    

  14. Mr. Curtis John Schroeder   //        //             /           X

  15. Sultan Ahmed Bin Sulayem    /                                    
  ------------------------------- --------- -------------- ----------- ---------

Notes:

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

  2. GCS is not shown in the above table as no director/management of
  the Company holds the position of director, chairman or management in
  GCS.