Attachment 1 Details of Board of Directors, Management and Controlling Person for the year 2010

+-------------+---+-------------+---+-----+------------+---------------+
| 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   | Organization  |
|             |   |             |   | iod |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 1.          | 4 | Bachelor of | - | 200 | Director   | P.P. Coral    |
|  Mr.Mitsuji | 4 | Laws, Osaka | 0 | 8-P |            | Resort Co.,   |
|             |   | University  | - | res | Director   | Ltd.          |
|   Konoshita |   |             |   | ent |            |               |
|             |   |             |   |     | Chairman   | A.P.F.        |
| Chairman of |   |             |   | 200 | of the     | Hospitality   |
| the Board   |   |             |   | 7-P | Board      | Co., Ltd.     |
| (non-       |   |             |   | res |            |               |
| authorized) |   |             |   | ent | Chairman   | Group Lease   |
|             |   |             |   |     | of the     | PCL.          |
| being the   |   |             |   | 200 | Board      |               |
| elder       |   |             |   | 7-P |            | United        |
| brother of  |   |             |   | res | Director   | Securities    |
| Mr. Tatsuya |   |             |   | ent |            | PCL.          |
| Konoshita   |   |             |   |     |            |               |
|             |   |             |   | 200 |            | Sanwa World   |
|             |   |             |   | 6-P |            | Service Co.,  |
|             |   |             |   | res |            | Ltd.          |
|             |   |             |   | ent |            |               |
|             |   |             |   |     |            |               |
|             |   |             |   | 200 |            |               |
|             |   |             |   | 0-P |            |               |
|             |   |             |   | res |            |               |
|             |   |             |   | ent |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 2.          | 6 | -   Master  | - | J   | Member of  | Thailand      |
| M           | 3 |     of      | 0 | an1 | the Appeal | Futures       |
| r.Chokechai |   |     Science | - | 1-P | Committee  | Exchange PCL. |
| Tanp        |   |     (Civil  |   | res |            |               |
| oonsinthana |   |     En      |   | ent | I          | United        |
|             |   | gineering), |   |     | ndependent | Securities    |
| Independent |   |             |   | Sep | Director / | PCL.          |
| Director    |   |  University |   | 0   | Chairman   |               |
| (without    |   |     of      |   | 8-P | of Audit   | Thai Agro     |
| power of    |   |             |   | res | Committee  | Energy PCL.   |
| management) |   |   Wisconsin |   | ent |            |               |
| / Chairman  |   |             |   |     | I          | United        |
| of the      |   |    (Madison |   | Oct | ndependent | Securities    |
| Audit       |   |             |   | 0   | Director / | PCL.          |
| Committee   |   |    Campus), |   | 7-P | Audit Com. |               |
|             |   |     USA.    |   | res | Member /   | Advance       |
|             |   |             |   | ent | Nomination | Information   |
|             |   | -   MBA     |   |     | and        | Technology    |
|             |   |     (Q      |   | 20  | Re         | PCL.          |
|             |   | uantitative |   | 04- | muneration |               |
|             |   |             |   | Sep | Com.       | Thai Stanley  |
|             |   |    Analysis |   | 08  | Member     | Electric PCL. |
|             |   |     &       |   |     |            |               |
|             |   |             |   | 200 | I          |               |
|             |   |    Finance) |   | 3-P | ndependent |               |
|             |   |             |   | res | Director / |               |
|             |   |  University |   | ent | Audit      |               |
|             |   |     of      |   |     | Committee  |               |
|             |   |             |   | 200 | Member     |               |
|             |   |   Wisconsin |   | 0-P |            |               |
|             |   |             |   | res | I          |               |
|             |   |    (Madison |   | ent | ndependent |               |
|             |   |     Campus) |   |     | Director / |               |
|             |   |     USA     |   |     | Chairman   |               |
|             |   |             |   |     | of Audit   |               |
|             |   | -           |   |     | Committee  |               |
|             |   | Certificate |   |     |            |               |
|             |   |     from    |   |     | I          |               |
|             |   |     Thai    |   |     | ndependent |               |
|             |   |             |   |     | Director / |               |
|             |   |   Institute |   |     | Audit      |               |
|             |   |     of      |   |     | Committee  |               |
|             |   |             |   |     | Member     |               |
|             |   |   Directors |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | Association |   |     |            |               |
|             |   |     :       |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   |   Program – |   |     |            |               |
|             |   |   DCP       |   |     |            |               |
|             |   |   3/2000    |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | – ACP       |   |     |            |               |
|             |   | 28/2009     |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | – MFM       |   |     |            |               |
|             |   | 1/2009      |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | – MIA       |   |     |            |               |
|             |   | 6/2009      |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | – MIR       |   |     |            |               |
|             |   | 7/2009      |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | – MFR       |   |     |            |               |
|             |   | 12/2010     |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | – AACP      |   |     |            |               |
|             |   | 4/2010      |   |     |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 3.          | 5 | -   Ph.D.   | - | 200 | Chairman   | Thai Red      |
| Dr.Vorapol  | 6 |             | 0 | 1-P | of         | Cross Society |
| So          |   |    Finance, | - | res | Investment |               |
| catiyanurak |   |     Wharton |   | ent | Advisory   | United        |
|             |   |     School, |   |     | Board      | Securities    |
| Independent |   |             |   | 200 |            | PCL.          |
| Director    |   |  University |   | 0-P | I          |               |
| (without    |   |     of      |   | res | ndependent | Jasmin        |
| power of    |   |     Pe      |   | ent | Director / | International |
| management) |   | nnsylvania, |   |     | Audit      | PCL.          |
| / Audit     |   |     USA     |   | 199 | Committee  |               |
| Committee   |   |             |   | 9-P | Member     | National      |
| Member      |   | -           |   | res |            | Institute of  |
|             |   | Certificate |   | ent | I          | Development   |
|             |   |     from    |   |     | ndependent | A             |
|             |   |     Thai    |   | 198 | Director / | dministration |
|             |   |             |   | 0-P | Audit      | (NIDA)        |
|             |   |   Institute |   | res | Committee  |               |
|             |   |     of      |   | ent | Member     |               |
|             |   |             |   |     |            |               |
|             |   |   Directors |   |     | Instructor |               |
|             |   |             |   |     | – Finance  |               |
|             |   | Association |   |     |            |               |
|             |   |     :       |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | Program -   |   |     |            |               |
|             |   | DAP, 1/2003 |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | - DCP,      |   |     |            |               |
|             |   | 42/2004     |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | - Chairman  |   |     |            |               |
|             |   | 2000,       |   |     |            |               |
|             |   | 10/2004     |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | - Audit     |   |     |            |               |
|             |   | Committee,  |   |     |            |               |
|             |   | 6/2005      |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | -           |   |     |            |               |
|             |   | C           |   |     |            |               |
|             |   | ompensation |   |     |            |               |
|             |   | Committee,  |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | 1/2006      |   |     |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 4.Mr. Vikit | 5 | -MBA,       | - | Dec | Financial  | Thai          |
| Kachonn     | 3 | Thammasat   | 0 | 0   | Advisor    | Stainless     |
| arongvanich |   | University  | - | 9-P |            | Steel Co.,    |
|             |   |             |   | res | Chief      | Ltd.          |
| Independent |   | -           |   | ent | Executive  |               |
| Director    |   | Certificate |   |     | Officer    | Talomsin      |
| (without    |   | from Thai   |   | 20  |            | Plastic Co.,  |
| power of    |   | Institute   |   | 07- | I          | Ltd.          |
| management) |   | of          |   | Apr | ndependent |               |
| / Audit     |   | Directors   |   | 09  | Director / | United        |
| Committee   |   | Association |   |     | Audit      | Securities    |
|             |   | :           |   | 200 | Committee  | PCL.          |
|             |   |             |   | 6-P | Member     |               |
|             |   | Program –   |   | res |            | Pharma Cosmet |
|             |   | DCP,        |   | ent | I          | Co., Ltd.     |
|             |   | 22/2002     |   |     | ndependent |               |
|             |   |             |   | 20  | Director / | Siam City     |
|             |   | - Role of   |   | 04- | Chairman   | Securities    |
|             |   | Chairman,   |   | Apr | of Audit   | PCL.          |
|             |   | 12/2005     |   | 08  | Committee  |               |
|             |   |             |   |     |            |               |
|             |   | -           |   | 200 | Managing   |               |
|             |   | C           |   | 4-2 | Director – |               |
|             |   | ompensation |   | 006 | Brokerage  |               |
|             |   | Committee,  |   |     | Business   |               |
|             |   |             |   |     |            |               |
|             |   | 1/2006      |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | -Additional |   |     |            |               |
|             |   | Training at |   |     |            |               |
|             |   | the Stock   |   |     |            |               |
|             |   | Exchange of |   |     |            |               |
|             |   | Thailand :  |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | Program –   |   |     |            |               |
|             |   | MIP (2005)  |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | Subject -   |   |     |            |               |
|             |   | I           |   |     |            |               |
|             |   | ntroduction |   |     |            |               |
|             |   | to          |   |     |            |               |
|             |   | Derivatives |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | (DR1)       |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | - Analysis  |   |     |            |               |
|             |   | of          |   |     |            |               |
|             |   | Derivatives |   |     |            |               |
|             |   | (DR2)       |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | - Practice  |   |     |            |               |
|             |   | guide on    |   |     |            |               |
|             |   | deri        |   |     |            |               |
|             |   | vative(DRG) |   |     |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 5. Mr.      | 6 | -MA         | - | J   | I          | United        |
| Saravut     | 2 | (           | 0 | ul1 | ndependent | Securities    |
| Busayarat   |   | Economics), | - | 0-P | Director / | PCL.          |
|             |   | Old         |   | res | Audit      |               |
| Independent |   | Dominion    |   | ent | Committee  | Prebuilt PCL. |
| Director    |   | University, |   |     | Member     |               |
| (without    |   | Virginia,   |   | M   |            |               |
| power of    |   | USA         |   | ar0 | I          |               |
| management) |   |             |   | 4-P | ndependent |               |
| / Audit     |   | -BA         |   | res | Director / |               |
| Committee   |   | (           |   | ent | Audit      |               |
|             |   | Economics), |   |     | Committee  |               |
| Newly       |   | Thammasat   |   |     | Member     |               |
| appointed   |   | University  |   |     |            |               |
| since23     |   |             |   |     |            |               |
| July, 2010  |   | -           |   |     |            |               |
| in          |   | Certificate |   |     |            |               |
| replacement |   | from Thai   |   |     |            |               |
| of Mr.      |   | Institute   |   |     |            |               |
| Sirawat     |   | of          |   |     |            |               |
| Wanglee     |   | Directors   |   |     |            |               |
|             |   | Association |   |     |            |               |
|             |   | :           |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | Program –   |   |     |            |               |
|             |   | DCP,        |   |     |            |               |
|             |   | 41/2004     |   |     |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 6. Mr.      | 3 | -MBA,       | - | M   | Director   | United        |
| Deepong     | 8 | Thammasat   | 0 | ar1 |            | Securities    |
| Sa          |   | University  | - | 1-P | Executive  | PCL.          |
| hachartsiri |   |             |   | res | Director   |               |
|             |   | -Bachelor   |   | ent |            | A.P.F.        |
| Director    |   | of          |   |     | Director   | Holdings Co., |
| (without    |   | Ar          |   | J   |            | Ltd.          |
| power of    |   | chitecture, |   | an1 |            |               |
| management) |   | King        |   | 1-P |            | Group Lease   |
|             |   | Mongkut's   |   | res |            | PCL.          |
| Newly       |   | University  |   | ent |            |               |
| appointed   |   | of          |   |     |            |               |
| since2      |   | Technology  |   | A   |            |               |
| March, 2011 |   | Ladkrabang  |   | pr0 |            |               |
| in          |   |             |   | 7-P |            |               |
| replacement |   | -           |   | res |            |               |
| of Mr.      |   | Certificate |   | ent |            |               |
| Jeremy Liau |   | from Thai   |   |     |            |               |
|             |   | Institute   |   |     |            |               |
|             |   | of          |   |     |            |               |
|             |   | Directors   |   |     |            |               |
|             |   | Association |   |     |            |               |
|             |   | :           |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | Program –   |   |     |            |               |
|             |   | DAP,        |   |     |            |               |
|             |   | 62/2007     |   |     |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 7. Mr.      | 3 | -   B.A.    | 0 | J   | Managing   | United        |
| Tatsuya     | 9 |             | . | an1 | Director   | Securities    |
| Konoshita   |   | Literature, | 0 | 1-P | (highest   | PCL.          |
|             |   |     Osaka   | 9 | res | m          |               |
| Director    |   |             |   | ent | anagement) | United        |
| (with power |   |  University |   |     |            | Securities    |
| of          |   |             |   | 200 | Director   | PCL.          |
| management) |   | -           |   | 6-P | and        |               |
| / Chairman  |   | Certificate |   | res | Chairman   | United        |
| of the      |   | from Thai   |   | ent | of the     | Securities    |
| Executive   |   | Institute   |   |     | Executive  | PCL.          |
| Board and   |   | of          |   | 2   | Board      |               |
| Managing    |   | Directors   |   | 006 |            | Bangkok       |
| Director    |   | Association |   | -Ja | Senior     | Station       |
| (highest    |   | :           |   | n11 | Executive  | Network Co.,  |
| management) |   |             |   |     | Vice       | Ltd.          |
|             |   | Program –   |   | 200 | President  | (Thailand)    |
| Authorized  |   | DAP,        |   | 5-2 | – Business |               |
| to sign for |   | 88/2011     |   | 006 | D          |               |
| and on      |   |             |   |     | evelopment |               |
| behalf of   |   |             |   |     |            |               |
| the Company |   |             |   |     | Chief      |               |
|             |   |             |   |     | Executive  |               |
| being the   |   |             |   |     | Officer    |               |
| younger     |   |             |   |     |            |               |
| brother of  |   |             |   |     |            |               |
| Mr. Mitsuji |   |             |   |     |            |               |
| Konoshita   |   |             |   |     |            |               |
|             |   |             |   |     |            |               |
| Appointed   |   |             |   |     |            |               |
| In the      |   |             |   |     |            |               |
| position of |   |             |   |     |            |               |
| Managing    |   |             |   |     |            |               |
| Director    |   |             |   |     |            |               |
| (highest    |   |             |   |     |            |               |
| management) |   |             |   |     |            |               |
| since17     |   |             |   |     |            |               |
| January,    |   |             |   |     |            |               |
| 2011 in     |   |             |   |     |            |               |
| replacement |   |             |   |     |            |               |
| of Mr.      |   |             |   |     |            |               |
| Jeremy Liau |   |             |   |     |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 8. Mr.      | 4 | -   BBA     | - | J   | Executive  | United        |
| Yothin      | 4 |             | 0 | an1 | Director – | Securities    |
| Viriyenawat |   |  Marketing, | - | 1-P | Marketing  | PCL.          |
|             |   |             |   | res |            |               |
| Director    |   |    Dhurakij |   | ent | Director   | United        |
| (with power |   |     Pundit  |   |     |            | Securities    |
| of          |   |             |   | 200 | Executive  | PCL.          |
| management) |   |  University |   | 7-P | Director – |               |
| / Executive |   |             |   | res | Thai       | United        |
| Director –  |   | -           |   | ent | Marketing  | Securities    |
| Thai        |   | Certificate |   |     |            | PCL.          |
| Marketing   |   | from Thai   |   | 2   | Senior     |               |
|             |   | Institute   |   | 007 | Executive  | United        |
| Authorized  |   | of          |   | -Ja | Vice       | Securities    |
| to sign for |   | Directors   |   | n11 | President  | PCL.          |
| and on      |   | Association |   |     | –          |               |
| behalf of   |   | :           |   | 200 | Marketing  | United        |
| the Company |   |             |   | 6-2 | 1          | Securities    |
|             |   | Program –   |   | 007 |            | PCL.          |
|             |   | DAP,        |   |     | Executive  |               |
|             |   | 64/2007     |   | 200 | Vice       |               |
|             |   |             |   | 4-2 | President  |               |
|             |   |             |   | 005 | –          |               |
|             |   |             |   |     | Marketing  |               |
|             |   |             |   |     | 30, 99,    |               |
|             |   |             |   |     | Foreign    |               |
|             |   |             |   |     | and        |               |
|             |   |             |   |     | I          |               |
|             |   |             |   |     | nstitution |               |
|             |   |             |   |     | Marketing, |               |
|             |   |             |   |     | Electronic |               |
|             |   |             |   |     | Trading    |               |
|             |   |             |   |     | Dept.,     |               |
|             |   |             |   |     | Marketing  |               |
|             |   |             |   |     | 80, 90, 55 |               |
|             |   |             |   |     | and Had    |               |
|             |   |             |   |     | Yai Branch |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 9. Ms.      | 5 | -   MBA     | - | 200 | Director   | United        |
| Tippranee   | 1 |             | 0 | 7-P | and        | Securities    |
| Chatmanop   |   |    Business | - | res | Executive  | PCL.          |
|             |   |     Admi    |   | ent | Director – |               |
| Director    |   | nistration, |   |     | Business   | United        |
| (with power |   |             |   | 200 | Support    | Securities    |
| of          |   |   Kasetsart |   | 2-2 |            | PCL           |
| management) |   |             |   | 007 | Senior     |               |
| / Executive |   |  University |   |     | Executive  |               |
| Director –  |   |             |   |     | Vice       |               |
| Business    |   | -           |   |     | President  |               |
| Support     |   | Certificate |   |     | – Business |               |
|             |   |     from    |   |     | Support    |               |
| Authorized  |   |     Thai    |   |     |            |               |
| to sign for |   |             |   |     |            |               |
| and on      |   |   Institute |   |     |            |               |
| behalf of   |   |     of      |   |     |            |               |
| the Company |   |             |   |     |            |               |
|             |   |   Directors |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | Association |   |     |            |               |
|             |   |     :       |   |     |            |               |
|             |   |             |   |     |            |               |
|             |   | Program –   |   |     |            |               |
|             |   | DAP, 1/2003 |   |     |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 10. Mr.     | 4 | -   B.A.    | - | 200 | Executive  | United        |
| Choakdee    | 2 |             | 0 | 8-P | Vice       | Securities    |
| C           |   |    Finance, | - | res | President  | PCL.          |
| hinthammitr |   |             |   | ent | –          |               |
|             |   |  Assumption |   |     | Marketing  | United        |
| Executive   |   |             |   | 199 | 2          | Securities    |
| Vice        |   |  University |   | 3-2 |            | PCL.          |
| President – |   |             |   | 008 | Vice       |               |
| Marketing 2 |   |             |   |     | President  |               |
| Division    |   |             |   |     | –          |               |
|             |   |             |   |     | Marketing  |               |
|             |   |             |   |     | 2          |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 11. Mr.     | 5 | -M.A.       | - | 200 | Executive  | United        |
| Namchai     | 0 | Economics,  | 0 | 4-P | Vice       | Securities    |
| Techa       |   | Thammasat   | - | res | President  | PCL.          |
| ratanawiroj |   | University  |   | ent | – Research |               |
|             |   |             |   |     | Dept.      |               |
| Executive   |   |             |   |     |            |               |
| Vice        |   |             |   |     |            |               |
| President – |   |             |   |     |            |               |
| Research    |   |             |   |     |            |               |
| Department  |   |             |   |     |            |               |
+-------------+---+-------------+---+-----+------------+---------------+
| 12. Ms.     | 3 | -   MBA     | - | 200 | Vice       | United        |
| Srisunan    | 6 |             | 0 | 7-P | President  | Securities    |
| Kon         |   |    Finance, | - | res | –          | PCL.          |
| trakulpitak |   |             |   | ent | Accounting |               |
|             |   |   Thammasat |   |     | and        | Ernst & Young |
| Vice        |   |             |   | 199 | Finance    | Office Ltd.   |
| President – |   |  University |   | 6-2 |            |               |
| Accounting  |   |             |   | 007 | Audit      |               |
| and Finance |   |             |   |     | Manager    |               |
+-------------+---+-------------+---+-----+------------+---------------+