Attachment 1 Details of Board of Directors, Management and Controlling Person for the year 2011

+-------------+---+-------------+---+-----+---------------+------------+
| Na          | A | Education   | % | Wo  |               |            |
| me/Position | g |             | S | rk  |               |            |
|             | e |             | h | Exp |               |            |
|             |   |             | a | eri |               |            |
|             |   |             | r | enc |               |            |
|             |   |             | e | e i |               |            |
|             |   |             | h | n t |               |            |
|             |   |             | e | he  |               |            |
|             |   |             | l | las |               |            |
|             |   |             | d | t f |               |            |
|             |   |             |   | ive |               |            |
|             |   |             |   |  ye |               |            |
|             |   |             |   | ars |               |            |
+=============+===+=============+===+=====+===============+============+
|             |   |             |   | Per | Position      | Or         |
|             |   |             |   | iod |               | ganization |
+-------------+---+-------------+---+-----+---------------+------------+
| 1.  Mr. Wee | 5 | - Bachelor  | - | Jul | Chairman of   | United     |
|     Ee-chao | 8 | of Business | 0 | 1   | the Board of  | Securities |
|             |   | Admi        | - | 1–P | Directors and | PCL        |
| Chairman of |   | nistration, |   | res | Chairman of   |            |
| the Board   |   | The         |   | ent | Executive     | UOB Kay    |
| of          |   | American    |   |     | Board         | Hian       |
| Directors   |   | University  |   | M   |               | (Thailand) |
| and         |   | Washington  |   | ay1 | Chairman of   | PCL        |
| Chairman of |   | D.C., USA   |   | 1–P | the Board     |            |
| Executive   |   |             |   | res |               |            |
| Board       |   |             |   | ent |               |            |
|             |   |             |   |     |               |            |
| since 22    |   |             |   |     |               |            |
| July 2011   |   |             |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 2.  Mr. Tan | 5 | - Bachelor  | - | Jul | Director      | United     |
|     Check   | 7 | of Business | 0 | 1   | (with power   | Securities |
|     Teck    |   | Studies &   | - | 1–P | of            | PCL        |
|             |   | Accounting, |   | res | management)   |            |
| Director    |   | University  |   | ent | and Executive | UOB Kay    |
| (with power |   | of          |   |     | Director      | Hian       |
| of          |   | Edinburgh   |   | Jun |               | (Thailand) |
| management) |   |             |   | 0   | Director      | PCL        |
| and         |   | - Chartered |   | 5–P |               |            |
| Executive   |   | Accountant  |   | res |               |            |
| Director    |   | in          |   | ent |               |            |
|             |   | Accounting, |   |     |               |            |
| since 22    |   | Institute   |   |     |               |            |
| July 2011   |   | of          |   |     |               |            |
|             |   | Chartered   |   |     |               |            |
|             |   | Accountant  |   |     |               |            |
|             |   | of Scotland |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 3.  Mr.     | 4 | - MBA,      | - | Jul | Director      | United     |
|     Chaipat | 9 | University  | 0 | 1   | (with power   | Securities |
|     Nar     |   | of La       | - | 1–P | of            | PCL        |
| kmontanakum |   | Verne, USA  |   | res | management) / |            |
|             |   |             |   | ent | Executive     | UOB Kay    |
| Director    |   | -           |   |     | Director and  | Hian       |
| (with power |   | Certificate |   | Sep | Managing      | (Thailand) |
| of          |   | from Thai   |   | 0   | Director      | PCL        |
| management) |   | Institute   |   | 4–P | (highest      |            |
| / Executive |   | of          |   | res | management)   |            |
| Director    |   | Directors   |   | ent |               |            |
| and         |   | A           |   |     | Director and  |            |
| Managing    |   | ssociation: |   |     | Co-CEO        |            |
| Director    |   |             |   |     |               |            |
| (highest    |   | 1)          |   |     |               |            |
| management) |   | Directors   |   |     |               |            |
|             |   | Ac          |   |     |               |            |
| since 22    |   | creditation |   |     |               |            |
| July 2011   |   | Program     |   |     |               |            |
|             |   | (DAP),      |   |     |               |            |
|             |   | 21/2004     |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 4.  Mr.     | 4 | - MBA, The  | - | Jul | Director      | United     |
|     Victor  | 9 | University  | 0 | 1   | (with power   | Securities |
|     Yuen    |   | of Warwick  | - | 1–P | of            | PCL        |
|     Tuck    |   |             |   | res | management)   |            |
|     Choy    |   |             |   | ent | and Executive | UOB Kay    |
|             |   |             |   |     | Director      | Hian       |
| Director    |   |             |   | Apr |               | (Thailand) |
| (with power |   |             |   | 0   | Director and  | PCL        |
| of          |   |             |   | 6–P | Co-CEO        |            |
| management) |   |             |   | res |               |            |
| and         |   |             |   | ent |               |            |
| Executive   |   |             |   |     |               |            |
| Director    |   |             |   |     |               |            |
|             |   |             |   |     |               |            |
| since 22    |   |             |   |     |               |            |
| July 2011   |   |             |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 5.  Mrs.    | 5 | - Bachelor  | - | Jul | Director      | United     |
|     Prompuk | 1 | of Art in   | 0 | 1   | (without      | Securities |
|     Kar     |   | Economics,  | - | 1–P | power of      | PCL        |
| oonworawong |   |             |   | res | management)   |            |
|             |   | Thammasat   |   | ent |               | UOB Kay    |
| Director    |   | University  |   |     | Senior Vice   | Hian       |
| (without    |   |             |   | Sep | President –   | (Thailand) |
| power of    |   | -           |   | 0   | Human         | PCL        |
| management) |   | Certificate |   | 8–P | Resources &   |            |
| since 22    |   |     from    |   | res | Legal and     | UOB Kay    |
| July 2011   |   |     Thai    |   | ent | Company       | Hian       |
|             |   |             |   |     | Secretary     | (Thailand) |
|             |   |   Institute |   | Jul |               | PCL        |
|             |   |     of      |   | 03- | Vice          |            |
|             |   |             |   | Dec | President –   |            |
|             |   |   Directors |   | 07  | Human         |            |
|             |   |     A       |   |     | Resources &   |            |
|             |   | ssociation: |   |     | Legal and     |            |
|             |   |             |   |     | Company       |            |
|             |   |   1) Board  |   |     | Secretary     |            |
|             |   |   Reporting |   |     |               |            |
|             |   |   Program   |   |     |               |            |
|             |   |   (BRP),    |   |     |               |            |
|             |   |   1/2009    |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   | 2)          |   |     |               |            |
|             |   | Effective   |   |     |               |            |
|             |   | Minutes     |   |     |               |            |
|             |   | Taking      |   |     |               |            |
|             |   | (EMT),      |   |     |               |            |
|             |   | 1/2006      |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   | 3) Company  |   |     |               |            |
|             |   | Secretary   |   |     |               |            |
|             |   | Program     |   |     |               |            |
|             |   | (CSP),      |   |     |               |            |
|             |   | 10/2005     |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 6. Mr.      | 4 | -   BBA     | - | Jul | Director      | United     |
| Yothin      | 5 |             | 0 | 1   | (without      | Securities |
| Viriyenawat |   |  Marketing, | - | 1–P | power of      | PCL        |
|             |   |             |   | res | management)   |            |
| Director    |   | Dhurakij    |   | ent |               | UOB Kay    |
| (without    |   | Pundit      |   |     | MD – Head of  | Hian       |
| power of    |   | University  |   | Oct | Sales 3       | (Thailand) |
| management) |   |             |   | 11- | (Retail       | PCL        |
| since 22    |   | -           |   | P   | Sales)        |            |
| July 2011   |   | Certificate |   | res |               | United     |
|             |   | from Thai   |   | ent | Executive     | Securities |
|             |   | Institute   |   |     | Director –    | PCL        |
|             |   | of          |   | Jan | Marketing     |            |
|             |   | Directors   |   | 11- |               | United     |
|             |   | A           |   | Oct | Executive     | Securities |
|             |   | ssociation: |   | 11  | Director –    | PCL        |
|             |   |             |   |     | Thai          |            |
|             |   | 1)          |   | 2   | Marketing     |            |
|             |   | Directors   |   | 007 |               |            |
|             |   | Ac          |   | -Ja |               |            |
|             |   | creditation |   | n11 |               |            |
|             |   | Program     |   |     |               |            |
|             |   | (DAP),      |   |     |               |            |
|             |   | 64/2007     |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 7. Mr.      | 6 | -   Master  | - | O   | Independent   | United     |
| Kosol       | 5 |     of Laws | 0 | ct1 | Director /    | Securities |
| Chantikul   |   |     –       | - | 1-P | Chairman of   | PCL        |
|             |   |     In      |   | res | the Audit     |            |
| Independent |   | ternational |   | ent | Committee     | Team Group |
| Director /  |   |             |   |     |               | of         |
| Chairman of |   |    Business |   | Oct | Senior        | Companys   |
| the Audit   |   |     Laws,   |   | 0   | Advisor       | Co., Ltd.  |
| Committee   |   |             |   | 5-P |               |            |
|             |   |  University |   | res | Director      | Surapon    |
| since 17    |   |     of      |   | ent |               | Foods PCL  |
| October     |   |     Sydney, |   |     |               |            |
| 2011        |   |             |   | Apr |               |            |
|             |   |   Australia |   | 9   |               |            |
|             |   |             |   | 7-P |               |            |
|             |   | -           |   | res |               |            |
|             |   | Certificate |   | ent |               |            |
|             |   |     from    |   |     |               |            |
|             |   |     Thai    |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   |   Institute |   |     |               |            |
|             |   |     of      |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   |   Directors |   |     |               |            |
|             |   |     A       |   |     |               |            |
|             |   | ssociation: |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   | 1)  Role of |   |     |               |            |
|             |   |     the     |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   |    Chairman |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   |    Program, |   |     |               |            |
|             |   |     13/2006 |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   | 2           |   |     |               |            |
|             |   | )  Director |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   | Certificate |   |     |               |            |
|             |   |     Program |   |     |               |            |
|             |   |     (DCP),  |   |     |               |            |
|             |   |     18/2002 |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 8. Mr.      | 5 | -   MBA,    | - | O   | Independent   | United     |
| Nanthasit   | 2 |     Sasin   | 0 | ct1 | Director /    | Securities |
| Leksrisakul |   |             | - | 1-P | Audit         | PCL        |
|             |   |    Graduate |   | res | Committee     |            |
| Independent |   |             |   | ent | Member        | Eternity   |
| Director /  |   |   Institute |   |     |               | Grand      |
| Audit       |   |     of      |   | 2   | Director of   | Logistics  |
| Committee   |   |             |   | 010 | Finance and   | PCL        |
| Member      |   |    Business |   | –   | Accounting /  |            |
|             |   |     Adm     |   | P   | CFO           |            |
| since 17    |   | inistration |   | res |               |            |
| October     |   |     of      |   | ent |               |            |
| 2011        |   |     Ch      |   |     |               |            |
|             |   | ulalongkorn |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   |  University |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   | -           |   |     |               |            |
|             |   | Certificate |   |     |               |            |
|             |   |     from    |   |     |               |            |
|             |   |     Thai    |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   |   Institute |   |     |               |            |
|             |   |     of      |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   |   Directors |   |     |               |            |
|             |   |     A       |   |     |               |            |
|             |   | ssociation: |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   | 1           |   |     |               |            |
|             |   | )  Director |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   | Certificate |   |     |               |            |
|             |   |     Program |   |     |               |            |
|             |   |     (DCP),  |   |     |               |            |
|             |   |     19/2002 |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 9. Mr.      | 5 | -   MBA,    | - | O   | Independent   | United     |
| Viboon      | 2 |             | 0 | ct1 | Director /    | Securities |
| Ch          |   |   Thammasat | - | 1-P | Audit         | PCL        |
| aisutyakorn |   |             |   | res | Committee     |            |
|             |   |  University |   | ent | Member        | The Erawan |
| Independent |   |             |   |     |               | Group PCL  |
| Director /  |   | -           |   | 1   | Vice          |            |
| Audit       |   | Certificate |   | 993 | President,    |            |
| Committee   |   |     from    |   | –   | Finance       |            |
| Member      |   |     Thai    |   | P   | Department    |            |
|             |   |             |   | res |               |            |
| since 28    |   |   Institute |   | ent |               |            |
| October     |   |     of      |   |     |               |            |
| 2011        |   |             |   |     |               |            |
|             |   |   Directors |   |     |               |            |
|             |   |     A       |   |     |               |            |
|             |   | ssociation: |   |     |               |            |
|             |   |             |   |     |               |            |
|             |   | 1           |   |     |               |            |
|             |   | )  Director |   |     |               |            |
|             |   |     Ac      |   |     |               |            |
|             |   | creditation |   |     |               |            |
|             |   |     Program |   |     |               |            |
|             |   |     (DAP),  |   |     |               |            |
|             |   |     96/2012 |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 10.         | 4 | - Bachelor  | - | 200 | Chairman of   | United     |
| Mr.Mitsuji  | 5 | of Laws,    | 0 | 6 - | the Board     | Securities |
| Konoshita   |   | Osaka       | - | Jul |               | PCL        |
|             |   | University  |   | 11  |               |            |
| Resigned on |   |             |   |     |               |            |
| 22 July     |   |             |   |     |               |            |
| 2011        |   |             |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 11. Mr.     | 4 | - BA        | - | Ja  | Managing      | United     |
| Tatsuya     | 0 | Literature, | 0 | n11 | Director      | Securities |
| Konoshita   |   | Osaka       | - | -Ju | (highest      | PCL        |
|             |   | University  |   | l11 | management)   |            |
| Resigned on |   |             |   |     |               |            |
| 22 July     |   |             |   |     |               |            |
| 2011        |   |             |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 12. Ms.     | 5 | - MBA       | - | 2   | Director and  | United     |
| Tippranee   | 2 | Business    | 0 | 007 | Executive     | Securities |
| Chatmanop   |   | Admi        | - | -Ju | Director –    | PCL        |
|             |   | nistration, |   | l11 | Business      |            |
| Resigned on |   | Kasetsart   |   |     | Support       |            |
| 22 July     |   | University  |   |     |               |            |
| 2011        |   |             |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 13. Mr.     | 3 | -MBA,       | - | Ma  | Director      | United     |
| Deepong     | 9 | Thammasat   | 0 | r11 | (without      | Securities |
| Sa          |   | University  | - | -Ju | power of      | PCL        |
| hachartsiri |   |             |   | l11 | management)   |            |
|             |   |             |   |     |               |            |
| 2 March     |   |             |   |     |               |            |
| 2011 - 22   |   |             |   |     |               |            |
| July 2011   |   |             |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 14. Mr.     | 4 | -Doctor of  | - | Ma  | Independent   | United     |
| Pholdej     | 4 | Philosophy  | 0 | r11 | Director      | Securities |
| Therdp      |   | (Civil      | - | -Ju |               | PCL        |
| hithakvanij |   | En          |   | l11 |               |            |
|             |   | gineering), |   |     |               |            |
| 29 March    |   | Lehigh      |   |     |               |            |
| 2011 - 19   |   | University, |   |     |               |            |
| July 2011   |   | USA         |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 15. Mr.     | 4 | -Master of  | - | Ma  | Independent   | United     |
| Krit        | 4 | Business    | 0 | y11 | Director      | Securities |
| Pha         |   | Adm         | - | -Ju |               | PCL        |
| nratanamala |   | inistration |   | l11 |               |            |
|             |   | (Finance),  |   |     |               |            |
| 9 May       |   | University  |   |     |               |            |
| 2011 - 22   |   | of Florida, |   |     |               |            |
| July 2011   |   | USA         |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 16.         | 6 | MBA         | - | Sep | Independent   | United     |
| M           | 4 | (Q          | 0 | 08  | Director /    | Securities |
| r.Chokechai |   | uantitative | - | -Ju | Chairman of   | PCL        |
| Tanp        |   | Analysis &  |   | l11 | Audit         |            |
| oonsinthana |   | Finance)    |   |     | Committee     |            |
|             |   | University  |   |     |               |            |
| Resigned on |   | of          |   |     |               |            |
| 22 April    |   | Wisconsin   |   |     |               |            |
| 2011        |   | (Madison    |   |     |               |            |
|             |   | Campus) USA |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 17.Mr.      | 5 | -MBA,       | - | 20  | Independent   | United     |
| Vikit       | 4 | Thammasat   | 0 | 06- | Director /    | Securities |
| Kachonn     |   | University  | - | Ju  | Audit         | PCL        |
| arongvanich |   |             |   | l11 | Committee     |            |
|             |   |             |   |     | Member        |            |
| Resigned on |   |             |   |     |               |            |
| 22 April    |   |             |   |     |               |            |
| 2011        |   |             |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 18.         | 5 | Ph.D.       | - | 2   | Independent   | United     |
| Dr.Vorapol  | 7 | Finance,    | 0 | 000 | Director /    | Securities |
| So          |   | Wharton     | - | -Ma | Audit         | PCL        |
| catiyanurak |   | School,     |   | r11 | Committee     |            |
|             |   | University  |   |     | Member        |            |
| Resigned on |   | of          |   |     |               |            |
| 14 March    |   | Pe          |   |     |               |            |
| 2011        |   | nnsylvania, |   |     |               |            |
|             |   | USA         |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 19. Mr.     | 6 | -MA         | - | Ju  | Independent   | United     |
| Saravut     | 3 | (           | 0 | l10 | Director /    | Securities |
| Busayarat   |   | Economics), | - | -Ma | Audit         | PCL.       |
|             |   | Old         |   | r11 | Committee     |            |
| Resigned on |   | Dominion    |   |     | Member        |            |
| 21 March    |   | University, |   |     |               |            |
| 2011        |   | Virginia,   |   |     |               |            |
|             |   | USA         |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+
| 20. Mr.     | 4 | - BBA       | - | 2   | Managing      | United     |
| Jeremy Liau | 3 | Finance,    | 0 | 006 | Director      | Securities |
|             |   | University  | - | -Fe | (highest      | PCL        |
| Resigned on |   | of Notre    |   | b11 | management)   |            |
| 23 February |   | Dame, USA   |   |     |               |            |
| 2011        |   |             |   |     |               |            |
+-------------+---+-------------+---+-----+---------------+------------+