+-----------------------------------------------------------------------+
| Enclosure 1                                                           |
|                                                                       |
| Details of Directors, Management, Controlling Persons, and Company    |
| Secretary                                                             |
+-----------------------------------------------------------------------+

Details of Directors, Management, Controlling Persons, and Company
Secretary

1.1 Details of Directors, Management, Controlling Persons (if any), and
Company Secretary

+---+--------+---+---------------+------+-------+-----+-------+---------+
| N |        | A | Educational   | Pr   | F     | W   |       |         |
| a |        | g | Background/   | opor | amily | ork |       |         |
| m |        | e | Training      | tion | Re    | ing |       |         |
| e |        |   |               | of   | latio | E   |       |         |
| / |        | ( |               | Sh   | nship | xpe |       |         |
| T |        | Y |               | ares | be    | rie |       |         |
| i |        | e |               | held | tween | nce |       |         |
| t |        | a |               | in   | Dire  |     |       |         |
| l |        | r |               | the  | ctors |     |       |         |
| e |        | ) |               | Com  | and   |     |       |         |
| / |        |   |               | pany | Manag |     |       |         |
| D |        |   |               | (per | ement |     |       |         |
| a |        |   |               | cent |       |     |       |         |
| t |        |   |               | age) |       |     |       |         |
| e |        |   |               |      |       |     |       |         |
| o |        |   |               | (3   |       |     |       |         |
| f |        |   |               | 1/12 |       |     |       |         |
| A |        |   |               | /17) |       |     |       |         |
| p |        |   |               |      |       |     |       |         |
| p |        |   |               |      |       |     |       |         |
| o |        |   |               |      |       |     |       |         |
| i |        |   |               |      |       |     |       |         |
| n |        |   |               |      |       |     |       |         |
| t |        |   |               |      |       |     |       |         |
| m |        |   |               |      |       |     |       |         |
| e |        |   |               |      |       |     |       |         |
| n |        |   |               |      |       |     |       |         |
| t |        |   |               |      |       |     |       |         |
+===+========+===+===============+======+=======+=====+=======+=========+
|   |        |   |               |      |       | Per | Title | Name of |
|   |        |   |               |      |       | iod |       | Agency/ |
|   |        |   |               |      |       |     |       | C       |
|   |        |   |               |      |       |     |       | ompany/ |
|   |        |   |               |      |       |     |       | Type of |
|   |        |   |               |      |       |     |       | B       |
|   |        |   |               |      |       |     |       | usiness |
+---+--------+---+---------------+------+-------+-----+-------+---------+
| 1 | Dr.    | 7 | Ph.D.(Higher  | -N   | -     | 200 | Dire  | Thai    |
| . | Thanu  | 7 | Education),   | one- |       | 7-p | ctor, | P       |
|   | Kul    |   | Southern      |      |       | res | Chai  | olycons |
|   | achol/ |   | Illinois      |      |       | ent | rman, | Plc./   |
|   | Dir    |   | University at |      |       |     | I     | const   |
|   | ector/ |   | Carbondale,   |      |       | 200 | ndepe | ruction |
|   | Ch     |   | U.S.A.        |      |       | 7-p | ndent |         |
|   | airman |   |               |      |       | res | Dir   | TPC     |
|   | of the |   | Master of     |      |       | ent | ector | Power   |
|   | Board  |   | Business      |      |       |     |       | Holding |
|   | of     |   | A             |      |       | 200 | Dir   | Plc.    |
|   | Dir    |   | dministration |      |       | 8-2 | ector |         |
|   | ectors |   | (Finance),    |      |       | 011 |       | Siam    |
|   | and    |   | Fairleigh     |      |       |     | Dir   | Power   |
|   | Indep  |   | Dickinson     |      |       |     | ector | Co.,    |
|   | endent |   | University,   |      |       |     |       | Ltd.    |
|   | Dir    |   | U.S.A.        |      |       |     | R     |         |
|   | ector/ |   |               |      |       |     | ector | Bangkok |
|   | 24     |   | Advanced      |      |       |     | Eme   | Univ    |
|   | March  |   | Management    |      |       |     | ritus | ersity/ |
|   | 2008   |   | Program,      |      |       |     |       | Ed      |
|   |        |   | Harvard       |      |       |     | Se    | ucation |
|   |        |   | University,   |      |       |     | nator |         |
|   |        |   | U.S.A.        |      |       |     |       | Parl    |
|   |        |   |               |      |       |     |       | iament/ |
|   |        |   | Bachelor      |      |       |     |       | Gov     |
|   |        |   | degree in     |      |       |     |       | ernment |
|   |        |   | Business and  |      |       |     |       |         |
|   |        |   | Ad            |      |       |     |       |         |
|   |        |   | ministration, |      |       |     |       |         |
|   |        |   | Bangkok       |      |       |     |       |         |
|   |        |   | University    |      |       |     |       |         |
|   |        |   |               |      |       |     |       |         |
|   |        |   | Diploma,      |      |       |     |       |         |
|   |        |   | National      |      |       |     |       |         |
|   |        |   | Defence       |      |       |     |       |         |
|   |        |   | College,      |      |       |     |       |         |
|   |        |   | Joint         |      |       |     |       |         |
|   |        |   | State-Private |      |       |     |       |         |
|   |        |   | Sector        |      |       |     |       |         |
|   |        |   | Course, Class |      |       |     |       |         |
|   |        |   | 2             |      |       |     |       |         |
|   |        |   |               |      |       |     |       |         |
|   |        |   | Directors     |      |       |     |       |         |
|   |        |   | Accreditation |      |       |     |       |         |
|   |        |   | Program       |      |       |     |       |         |
|   |        |   | (DAP), Cass   |      |       |     |       |         |
|   |        |   | 69, Thai      |      |       |     |       |         |
|   |        |   | Institute of  |      |       |     |       |         |
|   |        |   | Directors     |      |       |     |       |         |
+---+--------+---+---------------+------+-------+-----+-------+---------+

+---+--------+---+---------------+------+-------+-----+-------+---------+
| N |        | A | Educational   | Pr   | F     | W   |       |         |
| a |        | g | Background/   | opor | amily | ork |       |         |
| m |        | e | Training      | tion | Re    | ing |       |         |
| e |        |   |               | of   | latio | E   |       |         |
| / |        | ( |               | Sh   | nship | xpe |       |         |
| T |        | Y |               | ares | be    | rie |       |         |
| i |        | e |               | held | tween | nce |       |         |
| t |        | a |               | in   | Dire  |     |       |         |
| l |        | r |               | the  | ctors |     |       |         |
| e |        | ) |               | Com  | and   |     |       |         |
| / |        |   |               | pany | Manag |     |       |         |
| D |        |   |               | (per | ement |     |       |         |
| a |        |   |               | cent |       |     |       |         |
| t |        |   |               | age) |       |     |       |         |
| e |        |   |               |      |       |     |       |         |
| o |        |   |               | (1   |       |     |       |         |
| f |        |   |               | 8/01 |       |     |       |         |
| A |        |   |               | /17) |       |     |       |         |
| p |        |   |               |      |       |     |       |         |
| p |        |   |               |      |       |     |       |         |
| o |        |   |               |      |       |     |       |         |
| i |        |   |               |      |       |     |       |         |
| n |        |   |               |      |       |     |       |         |
| t |        |   |               |      |       |     |       |         |
| m |        |   |               |      |       |     |       |         |
| e |        |   |               |      |       |     |       |         |
| n |        |   |               |      |       |     |       |         |
| t |        |   |               |      |       |     |       |         |
+---+--------+---+---------------+------+-------+-----+-------+---------+
|   |        |   |               |      |       | Per | Title | Name of |
|   |        |   |               |      |       | iod |       | Agency/ |
|   |        |   |               |      |       |     |       | C       |
|   |        |   |               |      |       |     |       | ompany/ |
|   |        |   |               |      |       |     |       | Type of |
|   |        |   |               |      |       |     |       | B       |
|   |        |   |               |      |       |     |       | usiness |
+---+--------+---+---------------+------+-------+-----+-------+---------+
| 2 | Mr.    | 5 | Master of     | 1    | Br    | Feb | Dire  | Thai    |
| . | Chai   | 7 | Arts,         | .029 | other | 201 | ctor/ | P       |
|   | narong |   | Political     |      | of    | 7-p | Cha   | olycons |
|   | Ch     |   | Science,      |      | hu    | res | irman | Plc.    |
|   | anpala |   | Ramkhamhaeng  |      | sband | ent | of    |         |
|   | ngsri/ |   | University    |      | of    |     | Adv   | TPC     |
|   | Dir    |   |               |      | Mrs.  | 20  | isors | Power   |
|   | ector/ |   | Directors     |      | Kan   | 13- |       | Holding |
|   | 1      |   | Accreditation |      | oktip | Jan | Dir   | Plc.    |
|   | De     |   | Program       |      | Cha   | 17  | ector |         |
|   | cember |   | (DAP), Class  |      | npala |     |       | TPC     |
|   | 1988   |   | 69/ Thai      |      | ngsri | 198 | Dir   | Asset   |
|   |        |   | Institute of  |      |       | 8-2 | ector | Co.,    |
|   |        |   | Directors     |      |       | 013 |       | Ltd.    |
|   |        |   |               |      |       |     | Dir   |         |
|   |        |   | Phum Palang   |      |       |     | ector | TPC     |
|   |        |   | Pandin        |      |       |     |       | Bangkok |
|   |        |   | Program for   |      |       |     | Dir   | Supply  |
|   |        |   | Top           |      |       |     | ector | Co.,    |
|   |        |   | Executives,   |      |       |     |       | Ltd.    |
|   |        |   | Class 2/      |      |       |     | Presi |         |
|   |        |   | Chulalongkorn |      |       |     | dent/ | Siam    |
|   |        |   | University    |      |       |     | Cha   | Power   |
|   |        |   |               |      |       |     | irman | Co.,    |
|   |        |   | Management of |      |       |     | of    | Ltd.    |
|   |        |   | Public        |      |       |     | Exec  |         |
|   |        |   | Economics for |      |       |     | utive | Thai    |
|   |        |   | Executives    |      |       |     | B     | P       |
|   |        |   | Program, King |      |       |     | oard/ | olycons |
|   |        |   | Prajadhipok’s |      |       |     |       | Plc.    |
|   |        |   | Institute,    |      |       |     | Dir   |         |
|   |        |   | Class 13      |      |       |     | ector | Thai    |
|   |        |   |               |      |       |     |       | P       |
|   |        |   | Top Executive |      |       |     | Dire  | olycons |
|   |        |   | Program,      |      |       |     | ctor/ | Plc.    |
|   |        |   | Capital       |      |       |     | S     |         |
|   |        |   | Market        |      |       |     | enior |         |
|   |        |   | Academy,      |      |       |     | Vice  |         |
|   |        |   | Class 21 (CMA |      |       |     | P     |         |
|   |        |   | 21)           |      |       |     | resid |         |
|   |        |   |               |      |       |     | ent - |         |
|   |        |   | Top Executive |      |       |     | O     |         |
|   |        |   | Program in    |      |       |     | ffice |         |
|   |        |   | Commerce and  |      |       |     | Su    |         |
|   |        |   | Trade         |      |       |     | pport |         |
|   |        |   | (TEPCOT),     |      |       |     |       |         |
|   |        |   | Class 9       |      |       |     |       |         |
+---+--------+---+---------------+------+-------+-----+-------+---------+

+---+--------+---+-------------+------+-------+-----+-------+-----------+
| N |        | A | Educational | Pr   | F     | W   |       |           |
| a |        | g | Background/ | opor | amily | ork |       |           |
| m |        | e | Training    | tion | Re    | ing |       |           |
| e |        |   |             | of   | latio | E   |       |           |
| / |        | ( |             | Sh   | nship | xpe |       |           |
| T |        | Y |             | ares | be    | rie |       |           |
| i |        | e |             | held | tween | nce |       |           |
| t |        | a |             | in   | Dire  |     |       |           |
| l |        | r |             | the  | ctors |     |       |           |
| e |        | ) |             | Com  | and   |     |       |           |
| / |        |   |             | pany | Manag |     |       |           |
| D |        |   |             | (per | ement |     |       |           |
| a |        |   |             | cent |       |     |       |           |
| t |        |   |             | age) |       |     |       |           |
| e |        |   |             |      |       |     |       |           |
| o |        |   |             | (3   |       |     |       |           |
| f |        |   |             | 1/12 |       |     |       |           |
| A |        |   |             | /17) |       |     |       |           |
| p |        |   |             |      |       |     |       |           |
| p |        |   |             |      |       |     |       |           |
| o |        |   |             |      |       |     |       |           |
| i |        |   |             |      |       |     |       |           |
| n |        |   |             |      |       |     |       |           |
| t |        |   |             |      |       |     |       |           |
| m |        |   |             |      |       |     |       |           |
| e |        |   |             |      |       |     |       |           |
| n |        |   |             |      |       |     |       |           |
| t |        |   |             |      |       |     |       |           |
+===+========+===+=============+======+=======+=====+=======+===========+
|   |        |   |             |      |       | Per | Title | Name of   |
|   |        |   |             |      |       | iod |       | Agency/   |
|   |        |   |             |      |       |     |       | Company/  |
|   |        |   |             |      |       |     |       | Type of   |
|   |        |   |             |      |       |     |       | Business  |
+---+--------+---+-------------+------+-------+-----+-------+-----------+
| 3 | Mrs.   | 5 | Master of   | 35   | Sis   | Feb | Cha   | Thai      |
| . | Ka     | 9 | Business    | .157 | ter-i | 201 | irman | Polycons  |
|   | noktip |   | Admi        |      | n-law | 7-p | of    | Plc.      |
|   | Ch     |   | nistration, |      | of    | res | Exec  |           |
|   | anpala |   | Executive   |      | Mr.   | ent | utive | TPC Power |
|   | ngsri/ |   | MBA         |      | Chain |     | Board | Holding   |
|   | Dir    |   | Program,    |      | arong | 20  |       | Plc.      |
|   | ector/ |   | Kasetsart   |      | Cha   | 13- | Cha   |           |
|   | Ch     |   | University  |      | npala | Jan | irman | TPC Asset |
|   | airman |   |             |      | ngsri | 17  | of    | Co., Ltd. |
|   | of the |   | Bachelor of |      |       |     | Exec  |           |
|   | Exe    |   | Science in  |      |       |     | utive | TPC       |
|   | cutive |   | Accounting/ |      |       |     | Board | Bangkok   |
|   | Board/ |   | Kasetsart   |      |       |     |       | Supply    |
|   | Auth   |   | University  |      |       |     | Dir   | Co., Ltd. |
|   | orized |   |             |      |       |     | ector |           |
|   | Di     |   | Directors   |      |       |     |       | Thai      |
|   | rector |   | Ac          |      |       |     | Dir   | Polycons  |
|   | to     |   | creditation |      |       |     | ector | and Laem  |
|   | sign   |   | Program     |      |       |     |       | Thong     |
|   | on     |   | (DAP),      |      |       |     | Dir   | Ph        |
|   | behalf |   | Class       |      |       |     | ector | atthalung |
|   | of the |   | 104/2013/   |      |       |     |       | Joint     |
|   | Co     |   | Thai        |      |       |     | Dir   | Venture   |
|   | mpany/ |   | Institute   |      |       |     | ector |           |
|   | 28     |   | of          |      |       |     |       | TPCI      |
|   | J      |   | Directors   |      |       |     | Dir   | Joint     |
|   | anuary |   |             |      |       |     | ector | Venture   |
|   | 2013   |   | Phum Palang |      |       |     |       |           |
|   |        |   | Pandin      |      |       |     | Dir   | Changraek |
|   |        |   | Program for |      |       |     | ector | Biopower  |
|   |        |   | Top         |      |       |     |       | Co., Ltd. |
|   |        |   | Executives, |      |       |     | Dir   |           |
|   |        |   | Class 4/    |      |       |     | ector | Mahachai  |
|   |        |   | Ch          |      |       |     |       | Green     |
|   |        |   | ulalongkorn |      |       |     | Dir   | Power     |
|   |        |   | University/ |      |       |     | ector | Co., Ltd. |
|   |        |   | 2015        |      |       |     |       |           |
|   |        |   |             |      |       |     | Dir   | Thung     |
|   |        |   | Strategic   |      |       |     | ector | Sung      |
|   |        |   | CFO in      |      |       |     |       | Green     |
|   |        |   | Capital     |      |       |     | Dir   | Co., Ltd. |
|   |        |   | Program/    |      |       |     | ector |           |
|   |        |   | Stock       |      |       |     |       | Ph        |
|   |        |   | Exchange of |      |       |     | Dir   | atthalung |
|   |        |   | Thailand/   |      |       |     | ector | Green     |
|   |        |   | 2015        |      |       |     |       | Power     |
|   |        |   |             |      |       |     | Dir   | Co., Ltd. |
|   |        |   | Executive   |      |       |     | ector |           |
|   |        |   | R           |      |       |     |       | Pattani   |
|   |        |   | elationship |      |       |     | Dir   | Green     |
|   |        |   | Development |      |       |     | ector | Co., Ltd. |
|   |        |   | Course,     |      |       |     |       |           |
|   |        |   | Class 13/   |      |       |     | Dir   | Maewong   |
|   |        |   | Naval Civil |      |       |     | ector | Energy    |
|   |        |   | Affairs     |      |       |     |       | Co., Ltd. |
|   |        |   | Department, |      |       |     | Dir   |           |
|   |        |   | 2016        |      |       |     | ector | Satun     |
|   |        |   |             |      |       |     |       | Green     |
|   |        |   | P           |      |       |     | Dir   | Power     |
|   |        |   | rofessional |      |       |     | ector | Co., Ltd. |
|   |        |   | Family      |      |       |     |       |           |
|   |        |   | Business    |      |       |     | Dir   | TPCH      |
|   |        |   | Management  |      |       |     | ector | Power 1   |
|   |        |   | (PFBM),     |      |       |     |       | Co., Ltd. |
|   |        |   | Class 16/   |      |       |     | S     |           |
|   |        |   | KASIKORN    |      |       |     | enior | TPCH      |
|   |        |   | BANK, 2016  |      |       |     | Exec  | Power 2   |
|   |        |   |             |      |       |     | utive | Co., Ltd. |
|   |        |   | Thammasat   |      |       |     | Presi |           |
|   |        |   | Leadership  |      |       |     | dent/ | TPCH      |
|   |        |   | Program,    |      |       |     | Accou | Power 3   |
|   |        |   | Class 9/    |      |       |     | nting | Co., Ltd. |
|   |        |   | Thammasat   |      |       |     | and   |           |
|   |        |   | University, |      |       |     | Fi    | TPCH      |
|   |        |   | 2016        |      |       |     | nance | Power 4   |
|   |        |   |             |      |       |     |       | Co., Ltd. |
|   |        |   |             |      |       |     |       |           |
|   |        |   |             |      |       |     |       | TPCH      |
|   |        |   |             |      |       |     |       | Power 5   |
|   |        |   |             |      |       |     |       | Co., Ltd. |
|   |        |   |             |      |       |     |       |           |
|   |        |   |             |      |       |     |       | Siam      |
|   |        |   |             |      |       |     |       | Power     |
|   |        |   |             |      |       |     |       | Co., Ltd. |
|   |        |   |             |      |       |     |       |           |
|   |        |   |             |      |       |     |       | Thai      |
|   |        |   |             |      |       |     |       | Polycons  |
|   |        |   |             |      |       |     |       | Plc.      |
+---+--------+---+-------------+------+-------+-----+-------+-----------+

+---+--------+---+---------------+------+-------+-----+-------+---------+
| N |        | A | Educational   | Pr   | F     | W   |       |         |
| a |        | g | Background/   | opor | amily | ork |       |         |
| m |        | e | Training      | tion | Re    | ing |       |         |
| e |        |   |               | of   | latio | E   |       |         |
| / |        | ( |               | Sh   | nship | xpe |       |         |
| T |        | Y |               | ares | be    | rie |       |         |
| i |        | e |               | held | tween | nce |       |         |
| t |        | a |               | in   | Dire  |     |       |         |
| l |        | r |               | the  | ctors |     |       |         |
| e |        | ) |               | Com  | and   |     |       |         |
| / |        |   |               | pany | Manag |     |       |         |
| D |        |   |               | (per | ement |     |       |         |
| a |        |   |               | cent |       |     |       |         |
| t |        |   |               | age) |       |     |       |         |
| e |        |   |               |      |       |     |       |         |
| o |        |   |               | (3   |       |     |       |         |
| f |        |   |               | 1/12 |       |     |       |         |
| A |        |   |               | /17) |       |     |       |         |
| p |        |   |               |      |       |     |       |         |
| p |        |   |               |      |       |     |       |         |
| o |        |   |               |      |       |     |       |         |
| i |        |   |               |      |       |     |       |         |
| n |        |   |               |      |       |     |       |         |
| t |        |   |               |      |       |     |       |         |
| m |        |   |               |      |       |     |       |         |
| e |        |   |               |      |       |     |       |         |
| n |        |   |               |      |       |     |       |         |
| t |        |   |               |      |       |     |       |         |
+---+--------+---+---------------+------+-------+-----+-------+---------+
|   |        |   |               |      |       | Per | Title | Name of |
|   |        |   |               |      |       | iod |       | Agency/ |
|   |        |   |               |      |       |     |       | C       |
|   |        |   |               |      |       |     |       | ompany/ |
|   |        |   |               |      |       |     |       | Type of |
|   |        |   |               |      |       |     |       | B       |
|   |        |   |               |      |       |     |       | usiness |
+---+--------+---+---------------+------+-------+-----+-------+---------+
| 4 | Dr.    | 6 | Doctor of     | -N   | -     | 201 | Cha   | Thai    |
| . | Supong | 6 | Philosophy in | one- |       | 6-p | irman | P       |
|   | Limtan |   | Marketing     |      |       | res | of    | olycons |
|   | akool/ |   | (DBA),        |      |       | ent | the   | Plc.    |
|   | Ch     |   | University of |      |       |     | Audit |         |
|   | airman |   | San Gabriel   |      |       | 200 | Comm  | S.J.R.  |
|   | of the |   |               |      |       | 7-2 | ittee | Intern  |
|   | Audit  |   | Directors     |      |       | 016 |       | ational |
|   | Com    |   | Accreditation |      |       |     | M     | Co.,    |
|   | mittee |   | Program       |      |       |     | ember | Ltd.    |
|   | and    |   | (DAP), Class  |      |       |     | of    |         |
|   | Indep  |   | 68/ Thai      |      |       |     | the   | Nation  |
|   | endent |   | Institute of  |      |       |     | Audit | Broad   |
|   | Dir    |   | Directors     |      |       |     | Comm  | casting |
|   | ector/ |   |               |      |       |     | ittee | Plc.    |
|   | 24     |   |               |      |       |     |       |         |
|   | March  |   |               |      |       |     | Dir   | Bangkok |
|   | 2008   |   |               |      |       |     | ector | Univ    |
|   |        |   |               |      |       |     |       | ersity/ |
|   |        |   |               |      |       |     | Dir   | Ed      |
|   |        |   |               |      |       |     | ector | ucation |
|   |        |   |               |      |       |     |       |         |
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|   |        |   |               |      |       |     | ector |         |
+---+--------+---+---------------+------+-------+-----+-------+---------+

+---+--------+---+---------------+------+-------+-----+-------+---------+
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| a |        | g | Background/   | opor | amily | ork |       |         |
| m |        | e | Training      | tion | Re    | ing |       |         |
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| / |        | ( |               | Sh   | nship | xpe |       |         |
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|   |        |   |               |      |       | Per | Title | Name of |
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|   |        |   |               |      |       |     |       | C       |
|   |        |   |               |      |       |     |       | ompany/ |
|   |        |   |               |      |       |     |       | Type of |
|   |        |   |               |      |       |     |       | B       |
|   |        |   |               |      |       |     |       | usiness |
+---+--------+---+---------------+------+-------+-----+-------+---------+
| 5 | Mr.    | 4 | Master degree | -N   | -     | 200 | M     | Thai    |
| . | Po     | 4 | in            | one- |       | 8-p | ember | P       |
|   | rnthep |   | Accounting,   |      |       | res | of    | olycons |
|   | Sa     |   | Chulalongkorn |      |       | ent | the   | Plc./   |
|   | wetwan |   | University    |      |       |     | Audit | Const   |
|   | nakul/ |   |               |      |       | 200 | Commi | ruction |
|   | Dir    |   | Directors     |      |       | 7-2 | ttee/ |         |
|   | ector, |   | Accreditation |      |       | 012 | I     | Mettler |
|   | Indep  |   | Program       |      |       |     | ndepe | Toledo  |
|   | endent |   | (DAP), Class  |      |       | 200 | ndent | (Th     |
|   | Dir    |   | 45, Thai      |      |       | 4-2 | Dir   | ailand) |
|   | ector, |   | Institute of  |      |       | 007 | ector | Co.,    |
|   | Member |   | Directors     |      |       |     |       | Ltd./   |
|   | of the |   |               |      |       | 199 | Accou | scale   |
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|   | 30 May |   |               |      |       |     |       | K       |
|   | 2008   |   |               |      |       |     | Accou | arnCorn |
|   |        |   |               |      |       |     | nting | Co.,    |
|   |        |   |               |      |       |     | Ma    | Ltd./   |
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|   |        |   |               |      |       |     |       | duction |
|   |        |   |               |      |       |     | Assi  | and     |
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|   |        |   |               |      |       |     |       | Ltd.    |
+---+--------+---+---------------+------+-------+-----+-------+---------+

+---+--------+---+---------------+------+-------+-----+-------+---------+
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| a |        | g | Background/   | opor | amily | ork |       |         |
| m |        | e | Training      | tion | Re    | ing |       |         |
| e |        |   |               | of   | latio | E   |       |         |
| / |        | ( |               | Sh   | nship | xpe |       |         |
| T |        | Y |               | ares | be    | rie |       |         |
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| / |        |   |               | pany | Manag |     |       |         |
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|   |        |   |               |      |       | Per | Title | Name of |
|   |        |   |               |      |       | iod |       | Agency/ |
|   |        |   |               |      |       |     |       | C       |
|   |        |   |               |      |       |     |       | ompany/ |
|   |        |   |               |      |       |     |       | Type of |
|   |        |   |               |      |       |     |       | B       |
|   |        |   |               |      |       |     |       | usiness |
+---+--------+---+---------------+------+-------+-----+-------+---------+
| 6 | Dr.    | 6 | Master of     | -N   | -     | 201 | M     | Thai    |
| . | S      | 2 | Accounting,   | one- |       | 6-p | ember | P       |
|   | risuda |   | Utah State    |      |       | res | of    | olycons |
|   | Cho    |   | University,   |      |       | ent | the   | Plc./   |
|   | ngsith |   | USA           |      |       |     | Audit | Const   |
|   | iphol/ |   |               |      |       | 201 | Commi | ruction |
|   | Dir    |   | Directors     |      |       | 3-p | ttee/ |         |
|   | ector/ |   | Accreditation |      |       | res | I     |         |
|   | Member |   | Program       |      |       | ent | ndepe | Bangkok |
|   | of the |   | (DAP), Class  |      |       |     | ndent |   A     |
|   | Audit  |   | 134/2017,     |      |       |     | Dir   | cademic |
|   | Comm   |   | Thai          |      |       |     | ector |         |
|   | ittee, |   | Institute of  |      |       |     |       | Service |
|   | Indep  |   | Directors     |      |       |     | Qual  |         |
|   | endent |   |               |      |       |     | ified | Center, |
|   | Dir    |   |               |      |       |     | lec   |         |
|   | ector/ |   |               |      |       |     | turer |   N     |
|   | 26     |   |               |      |       |     |       | aresuan |
|   | Sep    |   |               |      |       |     |       |   Uni   |
|   | tember |   |               |      |       |     |       | versity |
|   | 2016   |   |               |      |       |     |       |         |
+---+--------+---+---------------+------+-------+-----+-------+---------+

+---+--------+---+---------------+------+-------+-----+-----+-----------+
| N |        | A | Educational   | Pr   | F     | W   |     |           |
| a |        | g | Background/   | opor | amily | ork |     |           |
| m |        | e | Training      | tion | Re    | ing |     |           |
| e |        |   |               | of   | latio | E   |     |           |
| / |        | ( |               | Sh   | nship | xpe |     |           |
| T |        | Y |               | ares | be    | rie |     |           |
| i |        | e |               | held | tween | nce |     |           |
| t |        | a |               | in   | Dire  |     |     |           |
| l |        | r |               | the  | ctors |     |     |           |
| e |        | ) |               | Com  | and   |     |     |           |
| / |        |   |               | pany | Manag |     |     |           |
| D |        |   |               | (per | ement |     |     |           |
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| f |        |   |               | 1/12 |       |     |     |           |
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| p |        |   |               |      |       |     |     |           |
| p |        |   |               |      |       |     |     |           |
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+===+========+===+===============+======+=======+=====+=====+===========+
|   |        |   |               |      |       | Per | Ti  | Name of   |
|   |        |   |               |      |       | iod | tle | Agency/   |
|   |        |   |               |      |       |     |     | Company/  |
|   |        |   |               |      |       |     |     | Type of   |
|   |        |   |               |      |       |     |     | Business  |
+---+--------+---+---------------+------+-------+-----+-----+-----------+
| 7 | Mr.    | 4 | Master of     | 0    | -     | 201 | Di  | Thai      |
| . | Ch     | 0 | Business      | .200 |       | 3-p | rec | Polycons  |
|   | erdsak |   | Ad            |      |       | res | tor | Plc.      |
|   | Watt   |   | ministration, |      |       | ent |     |           |
|   | anavij |   | Bangkok       |      |       |     | Ma  | TPC Power |
|   | itkul/ |   | University    |      |       | 201 | nag | Holding   |
|   | Dir    |   |               |      |       | 0-2 | ing | Plc.      |
|   | ector/ |   | Bachelor of   |      |       | 013 | Di  |           |
|   | 28     |   | Business      |      |       |     | rec | TPC Asset |
|   | J      |   | Ad            |      |       | 200 | tor | Co., Ltd. |
|   | anuary |   | ministration, |      |       | 8-2 |     |           |
|   | 2013   |   | Assumption    |      |       | 010 | Di  | Chang     |
|   |        |   | University    |      |       |     | rec | Raek      |
|   |        |   |               |      |       | 200 | tor | Biopower  |
|   |        |   | Directors     |      |       | 6-2 |     | Co., Ltd. |
|   |        |   | Accreditation |      |       | 008 | Di  |           |
|   |        |   | Program       |      |       |     | rec | Mahachai  |
|   |        |   | (DAP), Class  |      |       |     | tor | Green     |
|   |        |   | 100, Thai     |      |       |     |     | Power     |
|   |        |   | Institute of  |      |       |     | Di  | Co., Ltd. |
|   |        |   | Directors     |      |       |     | rec |           |
|   |        |   |               |      |       |     | tor | Thung     |
|   |        |   | CFO Thailand, |      |       |     |     | Sung      |
|   |        |   | Class 16      |      |       |     | Di  | Green     |
|   |        |   |               |      |       |     | rec | Co., Ltd. |
|   |        |   |               |      |       |     | tor |           |
|   |        |   |               |      |       |     |     | Ph        |
|   |        |   |               |      |       |     | Di  | atthalung |
|   |        |   |               |      |       |     | rec | Green     |
|   |        |   |               |      |       |     | tor | Power     |
|   |        |   |               |      |       |     |     | Co., Ltd. |
|   |        |   |               |      |       |     | Di  |           |
|   |        |   |               |      |       |     | rec | Pattani   |
|   |        |   |               |      |       |     | tor | Green     |
|   |        |   |               |      |       |     |     | Co., Ltd. |
|   |        |   |               |      |       |     | Di  |           |
|   |        |   |               |      |       |     | rec | Maewong   |
|   |        |   |               |      |       |     | tor | Energy    |
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|   |        |   |               |      |       |     | Di  |           |
|   |        |   |               |      |       |     | rec | Satun     |
|   |        |   |               |      |       |     | tor | Green     |
|   |        |   |               |      |       |     |     | Power     |
|   |        |   |               |      |       |     | Di  | Co., Ltd. |
|   |        |   |               |      |       |     | rec |           |
|   |        |   |               |      |       |     | tor | TPCH      |
|   |        |   |               |      |       |     |     | Power 1   |
|   |        |   |               |      |       |     | Di  | Co., Ltd. |
|   |        |   |               |      |       |     | rec |           |
|   |        |   |               |      |       |     | tor | TPCH      |
|   |        |   |               |      |       |     |     | Power 2   |
|   |        |   |               |      |       |     | Di  | Co., Ltd. |
|   |        |   |               |      |       |     | rec |           |
|   |        |   |               |      |       |     | tor | TPCH      |
|   |        |   |               |      |       |     |     | Power 3   |
|   |        |   |               |      |       |     | Di  | Co., Ltd. |
|   |        |   |               |      |       |     | rec |           |
|   |        |   |               |      |       |     | tor | TPCH      |
|   |        |   |               |      |       |     |     | Power 4   |
|   |        |   |               |      |       |     | Di  | Co., Ltd. |
|   |        |   |               |      |       |     | rec |           |
|   |        |   |               |      |       |     | tor | TPCH      |
|   |        |   |               |      |       |     |     | Power 5   |
|   |        |   |               |      |       |     | Di  | Co., Ltd. |
|   |        |   |               |      |       |     | rec |           |
|   |        |   |               |      |       |     | tor | Siam      |
|   |        |   |               |      |       |     |     | Power     |
|   |        |   |               |      |       |     | V   | Co., Ltd. |
|   |        |   |               |      |       |     | ice |           |
|   |        |   |               |      |       |     | Pre | Thai      |
|   |        |   |               |      |       |     | sid | Polycons  |
|   |        |   |               |      |       |     | ent | Plc.      |
|   |        |   |               |      |       |     | –   |           |
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|   |        |   |               |      |       |     | sin | Honda     |
|   |        |   |               |      |       |     | ess | Co.,      |
|   |        |   |               |      |       |     | De  | Ltd./     |
|   |        |   |               |      |       |     | vel | M         |
|   |        |   |               |      |       |     | opm | otorcycle |
|   |        |   |               |      |       |     | ent | Sale      |
|   |        |   |               |      |       |     |     |           |
|   |        |   |               |      |       |     | M   |           |
|   |        |   |               |      |       |     | ana |           |
|   |        |   |               |      |       |     | ger |           |
|   |        |   |               |      |       |     | –   |           |
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|   |        |   |               |      |       |     | opm |           |
|   |        |   |               |      |       |     | ent |           |
+---+--------+---+---------------+------+-------+-----+-----+-----------+

+---+-------+---+--------------+-----+------+----+-------+-----------+
| N |       | A | Educational  | P   | Fa   | W  |       |           |
| a |       | g | Background/  | rop | mily | or |       |           |
| m |       | e | Training     | ort | Rela | ki |       |           |
| e |       |   |              | ion | tion | ng |       |           |
| / |       | ( |              | of  | ship | Ex |       |           |
| T |       | Y |              | Sha | bet  | pe |       |           |
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+---+-------+---+--------------+-----+------+----+-------+-----------+
|   |       |   |              |     |      | Pe | Title | Name of   |
|   |       |   |              |     |      | ri |       | Agency/   |
|   |       |   |              |     |      | od |       | Company/  |
|   |       |   |              |     |      |    |       | Type of   |
|   |       |   |              |     |      |    |       | Business  |
+---+-------+---+--------------+-----+------+----+-------+-----------+
| 8 | Mr.   | 5 | Bachelor of  | -No | -    | F  | Pres  | Thai      |
| . | Path  | 0 | Engineering  | ne- |      | eb | ident | Polycons  |
|   | ompol |   | in Civil     |     |      | 20 |       | Plc.      |
|   | Sa    |   | Engineering, |     |      | 17 | S     |           |
|   | osap/ |   | Southwestern |     |      | -p | enior | TPC Power |
|   | Presi |   | University,  |     |      | re | Exec  | Holding   |
|   | dent, |   | The          |     |      | se | utive | Plc.      |
|   | Dir   |   | Philippines  |     |      | nt | Vice  |           |
|   | ector |   |              |     |      |    | Pres  | TPC Asset |
|   | and   |   | Directors    |     |      | 20 | ident | Co., Ltd. |
|   | Autho |   | A            |     |      | 15 | –     |           |
|   | rized |   | ccreditation |     |      | -p | Co    | TPC       |
|   | Dir   |   | Program      |     |      | re | nstru | Bangkok   |
|   | ector |   | (DAP), Class |     |      | se | ction | Supply    |
|   | to    |   | 103, Thai    |     |      | nt |       | Co., Ltd. |
|   | sign  |   | Institute of |     |      |    | Vice  |           |
|   | on    |   | Directors    |     |      | 2  | Pres  | TPCI      |
|   | b     |   |              |     |      | 01 | ident | Joint     |
|   | ehalf |   | Phum Palang  |     |      | 3- | –     | Venture   |
|   | of    |   | Pandin       |     |      | 20 | O     |           |
|   | the   |   | Program for  |     |      | 15 | ffice | Chang     |
|   | Com   |   | Top          |     |      |    | Su    | Raek      |
|   | pany/ |   | Executives,  |     |      | 2  | pport | Biopower  |
|   | 24    |   | Class 2/     |     |      | 00 |       | Co., Ltd. |
|   | April |   | C            |     |      | 8- | Mana  |           |
|   | 2013  |   | hulalongkorn |     |      | 20 | ger - | Mahachai  |
|   |       |   | University   |     |      | 13 | P     | Green     |
|   |       |   |              |     |      |    | rocur | Power     |
|   |       |   |              |     |      |    | ement | Co., Ltd. |
|   |       |   |              |     |      |    |       |           |
|   |       |   |              |     |      |    |       | Ph        |
|   |       |   |              |     |      |    |       | atthalung |
|   |       |   |              |     |      |    |       | Green     |
|   |       |   |              |     |      |    |       | Power     |
|   |       |   |              |     |      |    |       | Co., Ltd. |
|   |       |   |              |     |      |    |       |           |
|   |       |   |              |     |      |    |       | Satun     |
|   |       |   |              |     |      |    |       | Green     |
|   |       |   |              |     |      |    |       | Power     |
|   |       |   |              |     |      |    |       | Co., Ltd. |
|   |       |   |              |     |      |    |       |           |
|   |       |   |              |     |      |    |       | Thai      |
|   |       |   |              |     |      |    |       | Polycons  |
|   |       |   |              |     |      |    |       | Plc.      |
+---+-------+---+--------------+-----+------+----+-------+-----------+

+---+-------+---+--------------+-----+------+----+-------+-----------+
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| a |       | g | Background/  | rop | mily | or |       |           |
| m |       | e | Training     | ort | Rela | ki |       |           |
| e |       |   |              | ion | tion | ng |       |           |
| / |       | ( |              | of  | ship | Ex |       |           |
| T |       | Y |              | Sha | bet  | pe |       |           |
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| / |       |   |              | the | and  |    |       |           |
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+---+-------+---+--------------+-----+------+----+-------+-----------+
|   |       |   |              |     |      | Pe | Title | Name of   |
|   |       |   |              |     |      | ri |       | Agency/   |
|   |       |   |              |     |      | od |       | Company/  |
|   |       |   |              |     |      |    |       | Type of   |
|   |       |   |              |     |      |    |       | Business  |
+---+-------+---+--------------+-----+------+----+-------+-----------+
| 9 | Mr.   | 5 | Bachelor of  | -No | -    | J  | Exec  | Thai      |
| . | Ja    | 8 | Engineering  | ne- |      | un | utive | Polycons  |
|   | ckrit |   | in Civil     |     |      | 20 | Vice  | Plc./     |
|   | Po    |   | Engineering, |     |      | 16 | Pres  | Con       |
|   | ngpra |   | Kasetsart    |     |      | -p | ident | struction |
|   | sert/ |   | University   |     |      | re | –     |           |
|   | Dire  |   |              |     |      | se | Oper  | TPC Asset |
|   | ctor/ |   | Directors    |     |      | nt | ation | Co., Ltd. |
|   | Exec  |   | A            |     |      |    | E     |           |
|   | utive |   | ccreditation |     |      | 2  | ngine | Chang     |
|   | Dire  |   | Program      |     |      | 01 | ering | Raek      |
|   | ctor, |   | (DAP), Class |     |      | 5- |       | Biopower  |
|   | Assi  |   | 123, Thai    |     |      | 20 | Dir   | Co., Ltd. |
|   | stant |   | Institute of |     |      | 16 | ector |           |
|   | Vice  |   | Directors    |     |      |    |       | Hat Yai   |
|   | Pres  |   |              |     |      | 2  | Dir   | P.S.M.    |
|   | ident |   |              |     |      | 01 | ector | Con       |
|   | –     |   |              |     |      | 4- |       | struction |
|   | Tech  |   |              |     |      | 20 | Exec  | Co.,      |
|   | nical |   |              |     |      | 15 | utive | Ltd./     |
|   | E     |   |              |     |      |    | Vice  | Con       |
|   | ngine |   |              |     |      | 2  | Pres  | struction |
|   | ering |   |              |     |      | 01 | ident |           |
|   | and   |   |              |     |      | 3- | –     |           |
|   | Autho |   |              |     |      | 20 | O     |           |
|   | rized |   |              |     |      | 14 | ffice |           |
|   | Dir   |   |              |     |      |    | Su    |           |
|   | ector |   |              |     |      |    | pport |           |
|   | to    |   |              |     |      |    |       |           |
|   | sign  |   |              |     |      |    | Vice  |           |
|   | on    |   |              |     |      |    | Pres  |           |
|   | b     |   |              |     |      |    | ident |           |
|   | ehalf |   |              |     |      |    | –     |           |
|   | of    |   |              |     |      |    | Go    |           |
|   | the   |   |              |     |      |    | vernm |           |
|   | Com   |   |              |     |      |    | ent-S |           |
|   | pany/ |   |              |     |      |    | ector |           |
|   | 1     |   |              |     |      |    | Co    |           |
|   | July  |   |              |     |      |    | nstru |           |
|   | 2015  |   |              |     |      |    | ction |           |
|   |       |   |              |     |      |    |       |           |
|   |       |   |              |     |      |    | Assi  |           |
|   |       |   |              |     |      |    | stant |           |
|   |       |   |              |     |      |    | Vice  |           |
|   |       |   |              |     |      |    | Pres  |           |
|   |       |   |              |     |      |    | ident |           |
+---+-------+---+--------------+-----+------+----+-------+-----------+

+---+-------+---+--------------+-----+------+----+-------+-----------+
| N |       | A | Educational  | P   | Fa   | W  |       |           |
| a |       | g | Background/  | rop | mily | or |       |           |
| m |       | e | Training     | ort | Rela | ki |       |           |
| e |       |   |              | ion | tion | ng |       |           |
| / |       | ( |              | of  | ship | Ex |       |           |
| T |       | Y |              | Sha | bet  | pe |       |           |
| i |       | e |              | res | ween | ri |       |           |
| t |       | a |              | h   | D    | en |       |           |
| l |       | r |              | eld | irec | ce |       |           |
| e |       | ) |              | in  | tors |    |       |           |
| / |       |   |              | the | and  |    |       |           |
| D |       |   |              | C   | Ma   |    |       |           |
| a |       |   |              | omp | nage |    |       |           |
| t |       |   |              | any | ment |    |       |           |
| e |       |   |              | (pe |      |    |       |           |
| o |       |   |              | rce |      |    |       |           |
| f |       |   |              | nta |      |    |       |           |
| A |       |   |              | ge) |      |    |       |           |
| p |       |   |              |     |      |    |       |           |
| p |       |   |              | (   |      |    |       |           |
| o |       |   |              | 31/ |      |    |       |           |
| i |       |   |              | 12/ |      |    |       |           |
| n |       |   |              | 17) |      |    |       |           |
| t |       |   |              |     |      |    |       |           |
| m |       |   |              |     |      |    |       |           |
| e |       |   |              |     |      |    |       |           |
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+---+-------+---+--------------+-----+------+----+-------+-----------+
|   |       |   |              |     |      | Pe | Title | Name of   |
|   |       |   |              |     |      | ri |       | Agency/   |
|   |       |   |              |     |      | od |       | Company/  |
|   |       |   |              |     |      |    |       | Type of   |
|   |       |   |              |     |      |    |       | Business  |
+---+-------+---+--------------+-----+------+----+-------+-----------+
| 1 | Mr.   | 4 | Master of    | -No | -    | 1  | Exec  | Thai      |
| 0 | Ad    | 8 | Business     | ne- |      | M  | utive | Polycons  |
| . | isorn |   | Ad           |     |      | ar | Vice  | Plc./     |
|   | Sris  |   | ministration |     |      | 20 | Pres  | Con       |
|   | uksai |   | in Financial |     |      | 16 | ident | struction |
|   |       |   | Management/  |     |      | –  | –     |           |
|   |       |   | National     |     |      | p  | Accou | Sukhumvit |
|   |       |   | Institution  |     |      | re | nting | Asset     |
|   |       |   | of           |     |      | se | and   | M         |
|   |       |   | Development  |     |      | nt | Fi    | anagement |
|   |       |   | Ad           |     |      |    | nance | Co., Ltd. |
|   |       |   | ministration |     |      | 2  |       |           |
|   |       |   |              |     |      | 00 | D     |           |
|   |       |   | Bachelor of  |     |      | 4- | eputy |           |
|   |       |   | Economics    |     |      | 20 | Dire  |           |
|   |       |   | (Second      |     |      | 16 | ctor, |           |
|   |       |   | Class        |     |      |    | Corp  |           |
|   |       |   | Honors) in   |     |      |    | orate |           |
|   |       |   | I            |     |      |    | Str   |           |
|   |       |   | nternational |     |      |    | ategy |           |
|   |       |   | Economics/   |     |      |    | and   |           |
|   |       |   | C            |     |      |    | Pla   |           |
|   |       |   | hulalongkorn |     |      |    | nning |           |
|   |       |   | University   |     |      |    | Depar |           |
|   |       |   |              |     |      |    | tment |           |
|   |       |   | Phum Palang  |     |      |    |       |           |
|   |       |   | Pandin       |     |      |    |       |           |
|   |       |   | Program for  |     |      |    |       |           |
|   |       |   | Top          |     |      |    |       |           |
|   |       |   | Executives,  |     |      |    |       |           |
|   |       |   | Class 2/     |     |      |    |       |           |
|   |       |   | C            |     |      |    |       |           |
|   |       |   | hulalongkorn |     |      |    |       |           |
|   |       |   | University/  |     |      |    |       |           |
|   |       |   | 2014         |     |      |    |       |           |
|   |       |   |              |     |      |    |       |           |
|   |       |   | Strategic    |     |      |    |       |           |
|   |       |   | CFO in       |     |      |    |       |           |
|   |       |   | Capital      |     |      |    |       |           |
|   |       |   | Program,     |     |      |    |       |           |
|   |       |   | Class 3/     |     |      |    |       |           |
|   |       |   | Stock        |     |      |    |       |           |
|   |       |   | Exchange of  |     |      |    |       |           |
|   |       |   | Thailand/    |     |      |    |       |           |
|   |       |   | 2016         |     |      |    |       |           |
+---+-------+---+--------------+-----+------+----+-------+-----------+

+---+-------+---+--------------+-----+------+----+-------+-----------+
| N |       | A | Educational  | P   | Fa   | W  |       |           |
| a |       | g | Background/  | rop | mily | or |       |           |
| m |       | e | Training     | ort | Rela | ki |       |           |
| e |       |   |              | ion | tion | ng |       |           |
| / |       | ( |              | of  | ship | Ex |       |           |
| T |       | Y |              | Sha | bet  | pe |       |           |
| i |       | e |              | res | ween | ri |       |           |
| t |       | a |              | h   | D    | en |       |           |
| l |       | r |              | eld | irec | ce |       |           |
| e |       | ) |              | in  | tors |    |       |           |
| / |       |   |              | the | and  |    |       |           |
| D |       |   |              | C   | Ma   |    |       |           |
| a |       |   |              | omp | nage |    |       |           |
| t |       |   |              | any | ment |    |       |           |
| e |       |   |              | (pe |      |    |       |           |
| o |       |   |              | rce |      |    |       |           |
| f |       |   |              | nta |      |    |       |           |
| A |       |   |              | ge) |      |    |       |           |
| p |       |   |              |     |      |    |       |           |
| p |       |   |              | (   |      |    |       |           |
| o |       |   |              | 18/ |      |    |       |           |
| i |       |   |              | 01/ |      |    |       |           |
| n |       |   |              | 17) |      |    |       |           |
| t |       |   |              |     |      |    |       |           |
| m |       |   |              |     |      |    |       |           |
| e |       |   |              |     |      |    |       |           |
| n |       |   |              |     |      |    |       |           |
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+---+-------+---+--------------+-----+------+----+-------+-----------+
|   |       |   |              |     |      | Pe | Title | Name of   |
|   |       |   |              |     |      | ri |       | Agency/   |
|   |       |   |              |     |      | od |       | Company/  |
|   |       |   |              |     |      |    |       | Type of   |
|   |       |   |              |     |      |    |       | Business  |
+---+-------+---+--------------+-----+------+----+-------+-----------+
| 1 | Mr.   | 5 | Master of    | -No | -    | 20 | Exec  | Thai      |
| 1 | Vikul | 5 | Engineering, | ne- |      | 16 | utive | Polycons  |
| . | L     |   | Khon Kaen    |     |      | -p | Vice  | Plc./     |
|   | ohamo |   | University   |     |      | re | Pres  | Con       |
|   | ngkol |   |              |     |      | se | ident | struction |
|   |       |   |              |     |      | nt | –     |           |
|   |       |   |              |     |      |    | Tech  | Chang     |
|   |       |   |              |     |      | 2  | nical | Raek      |
|   |       |   |              |     |      | 00 | E     | Biopower  |
|   |       |   |              |     |      | 6- | ngine | Co., Ltd. |
|   |       |   |              |     |      | 20 | ering |           |
|   |       |   |              |     |      | 15 |       | Thung     |
|   |       |   |              |     |      |    | Dir   | Sung      |
|   |       |   |              |     |      | 2  | ector | Green     |
|   |       |   |              |     |      | 00 |       | Co., Ltd. |
|   |       |   |              |     |      | 4- | Dir   |           |
|   |       |   |              |     |      | 20 | ector | TPCH      |
|   |       |   |              |     |      | 06 |       | Power 1   |
|   |       |   |              |     |      |    | Dir   | Co., Ltd. |
|   |       |   |              |     |      |    | ector |           |
|   |       |   |              |     |      |    |       | TPCH      |
|   |       |   |              |     |      |    | Dir   | Power 2   |
|   |       |   |              |     |      |    | ector | Co., Ltd. |
|   |       |   |              |     |      |    |       |           |
|   |       |   |              |     |      |    | Dir   | TPCH      |
|   |       |   |              |     |      |    | ector | Power 3   |
|   |       |   |              |     |      |    |       | Co., Ltd. |
|   |       |   |              |     |      |    | Dir   |           |
|   |       |   |              |     |      |    | ector | TPCH      |
|   |       |   |              |     |      |    |       | Power 4   |
|   |       |   |              |     |      |    | Dir   | Co., Ltd. |
|   |       |   |              |     |      |    | ector |           |
|   |       |   |              |     |      |    |       | TPCH      |
|   |       |   |              |     |      |    | Dir   | Power 5   |
|   |       |   |              |     |      |    | ector | Co., Ltd. |
|   |       |   |              |     |      |    | –     |           |
|   |       |   |              |     |      |    | Tech  | Thai      |
|   |       |   |              |     |      |    | nical | Kawashima |
|   |       |   |              |     |      |    |       | Co., Ltd. |
|   |       |   |              |     |      |    | Mana  |           |
|   |       |   |              |     |      |    | ger - |           |
|   |       |   |              |     |      |    | Co    |           |
|   |       |   |              |     |      |    | nstru |           |
|   |       |   |              |     |      |    | ction |           |
+---+-------+---+--------------+-----+------+----+-------+-----------+

+---+-------+---+--------------+-----+------+----+-------+-----------+
| N |       | A | Educational  | P   | Fa   | W  |       |           |
| a |       | g | Background/  | rop | mily | or |       |           |
| m |       | e | Training     | ort | Rela | ki |       |           |
| e |       |   |              | ion | tion | ng |       |           |
| / |       | ( |              | of  | ship | Ex |       |           |
| T |       | Y |              | Sha | bet  | pe |       |           |
| i |       | e |              | res | ween | ri |       |           |
| t |       | a |              | h   | D    | en |       |           |
| l |       | r |              | eld | irec | ce |       |           |
| e |       | ) |              | in  | tors |    |       |           |
| / |       |   |              | the | and  |    |       |           |
| D |       |   |              | C   | Ma   |    |       |           |
| a |       |   |              | omp | nage |    |       |           |
| t |       |   |              | any | ment |    |       |           |
| e |       |   |              | (pe |      |    |       |           |
| o |       |   |              | rce |      |    |       |           |
| f |       |   |              | nta |      |    |       |           |
| A |       |   |              | ge) |      |    |       |           |
| p |       |   |              |     |      |    |       |           |
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| o |       |   |              | 18/ |      |    |       |           |
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| n |       |   |              | 17) |      |    |       |           |
| t |       |   |              |     |      |    |       |           |
| m |       |   |              |     |      |    |       |           |
| e |       |   |              |     |      |    |       |           |
| n |       |   |              |     |      |    |       |           |
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+===+=======+===+==============+=====+======+====+=======+===========+
|   |       |   |              |     |      | Pe | Title | Name of   |
|   |       |   |              |     |      | ri |       | Agency/   |
|   |       |   |              |     |      | od |       | Company/  |
|   |       |   |              |     |      |    |       | Type of   |
|   |       |   |              |     |      |    |       | Business  |
+---+-------+---+--------------+-----+------+----+-------+-----------+
| 1 | Miss  | 4 | Bachelor of  | 0   | -    | 20 | Co    | Thai      |
| 2 | J     | 0 | Education,   |     |      | 15 | mpany | Polycons  |
| . | ariya |   | Phranakhon   |     |      | -p | Secr  | Plc./     |
|   | Pi    |   | Rajabhat     |     |      | re | etary | Con       |
|   | npet/ |   | University   |     |      | se |       | struction |
|   | Co    |   |              |     |      | nt | Exec  |           |
|   | mpany |   | Effective    |     |      |    | utive | Thai      |
|   | Secre |   | Minute       |     |      | 2  | Secr  | Polycons  |
|   | tary/ |   | Taking       |     |      | 00 | etary | Plc./     |
|   | 1     |   | (EMT), Class |     |      | 8- |       | Con       |
|   | July  |   | 34/2016 from |     |      | 20 | HR    | struction |
|   | 2015  |   | Thai         |     |      | 15 | S     |           |
|   |       |   | Institute of |     |      |    | enior | Geminai & |
|   |       |   | Directors    |     |      | 2  | Of    | Associate |
|   |       |   |              |     |      | 00 | ficer | Co.,      |
|   |       |   | Company      |     |      | 6- |       | Ltd./     |
|   |       |   | Secretary    |     |      | 20 | S     | Con       |
|   |       |   | Program      |     |      | 08 | ecret | struction |
|   |       |   | (CSP), Class |     |      |    | ary - |           |
|   |       |   | 63/2015 from |     |      | 2  | Co    | Siem      |
|   |       |   | Thai         |     |      | 00 | nstru | I         |
|   |       |   | Institute of |     |      | 1- | ction | ntergroup |
|   |       |   | Directors    |     |      | 20 |       | Co., Ltd. |
|   |       |   |              |     |      | 16 |       | (close    |
|   |       |   | Strategic    |     |      |    |       | down)/    |
|   |       |   | Negotiations |     |      |    |       | Con       |
|   |       |   | Training     |     |      |    |       | struction |
|   |       |   | Program/     |     |      |    |       |           |
|   |       |   | Thailand     |     |      |    |       |           |
|   |       |   | Productivity |     |      |    |       |           |
|   |       |   | Institute    |     |      |    |       |           |
|   |       |   |              |     |      |    |       |           |
|   |       |   | Systems      |     |      |    |       |           |
|   |       |   | Thinking     |     |      |    |       |           |
|   |       |   | Training     |     |      |    |       |           |
|   |       |   | Program/     |     |      |    |       |           |
|   |       |   | Thailand     |     |      |    |       |           |
|   |       |   | Productivity |     |      |    |       |           |
|   |       |   | Institute    |     |      |    |       |           |
|   |       |   |              |     |      |    |       |           |
|   |       |   | Executive    |     |      |    |       |           |
|   |       |   | Secretary    |     |      |    |       |           |
|   |       |   | Training     |     |      |    |       |           |
|   |       |   | Program,     |     |      |    |       |           |
|   |       |   | Class 48/    |     |      |    |       |           |
|   |       |   | Dharmniti    |     |      |    |       |           |
|   |       |   | Seminar and  |     |      |    |       |           |
|   |       |   | Training     |     |      |    |       |           |
|   |       |   | Co., Ltd.    |     |      |    |       |           |
|   |       |   |              |     |      |    |       |           |
|   |       |   | Precautions  |     |      |    |       |           |
|   |       |   | for System   |     |      |    |       |           |
|   |       |   | Arrangement  |     |      |    |       |           |
|   |       |   | and          |     |      |    |       |           |
|   |       |   | Improvement  |     |      |    |       |           |
|   |       |   | of Payment   |     |      |    |       |           |
|   |       |   | and          |     |      |    |       |           |
|   |       |   | Receivable   |     |      |    |       |           |
|   |       |   | Documents    |     |      |    |       |           |
|   |       |   | Program/     |     |      |    |       |           |
|   |       |   | Dharmniti    |     |      |    |       |           |
|   |       |   | Seminar and  |     |      |    |       |           |
|   |       |   | Training     |     |      |    |       |           |
|   |       |   | Co., Ltd.    |     |      |    |       |           |
|   |       |   |              |     |      |    |       |           |
|   |       |   | Coaching     |     |      |    |       |           |
|   |       |   | Techniques   |     |      |    |       |           |
|   |       |   | based on     |     |      |    |       |           |
|   |       |   | Competency   |     |      |    |       |           |
|   |       |   | and KPIs     |     |      |    |       |           |
|   |       |   | Program/     |     |      |    |       |           |
|   |       |   | HIPO         |     |      |    |       |           |
|   |       |   | Training and |     |      |    |       |           |
|   |       |   | Consultancy  |     |      |    |       |           |
|   |       |   | Co., Ltd.    |     |      |    |       |           |
+---+-------+---+--------------+-----+------+----+-------+-----------+

1.2 Duties and Responsibilities of the Company Secretary

The Company Secretary must perform duties as specified in Section 89/15
and Section 89/16 of the Securities and Exchange Act (No. 4), B.E. 2551,
effective on 31 August 2008, by accountability, prudence and integrity,
and in compliance with laws, objectives, regulations, resolutions of the
Board of Directors, as well as resolutions of the shareholders’ meeting.
The duties of a company secretary as prescribed by law are listed below.

1. Preparing and keeping the following documents:

a. a register of directors;

b. a notice calling director meeting, a minute of meeting of the board
of directors, and an annual report of the company;

c. a notice calling shareholder meeting and a minute of shareholders’
meeting.

2. Keeping a report on interest filed by a director or an executive, and
filing a report on interest according to Section 89/14 to the chairman
of the board and the chairman of the audit committee for acknowledgement
within 7 business days upon the date of receiving the said report.

3. Performing any other acts as specified in the notification of the
Capital Market Supervisory Board. A company secretary also has other
duties assigned by the Company as follows:

- providing advice on laws and other related regulations, and best
practices in regulating the activities performed by the board of
directors to ensure that they comply with laws;

- arranging the meeting of the board of directors and the shareholders’
meeting;

- coordinating with every department of the Company to ensure that it
complies with resolutions of the board of directors and shareholders’
meeting;

- coordinating with all regulatory authorities, e.g. Stock Exchange of
Thailand; overseeing the information disclosure; and reporting the
information to any and all regulatory and public authorities as required
by law;

- arranging an orientation for a newly-appointed director; and

- performing other duties specifically assigned by the Company.

2. Details of Positions Held by Directors, Management, and Controlling
Persons

+-------------------------+-------+-------+-------+--------+-------+
| Name                    | D     |       |       | Joint  |       |
|                         | irect |       |       | Ve     |       |
| Company Name            | Su    |       |       | ntures |       |
|                         | bsidi |       |       |        |       |
|                         | aries |       |       |        |       |
+-------------------------+-------+-------+-------+--------+-------+
|                         | TPCA  | TPCB  | TPCH  | TPCL   | TPCI  |
+-------------------------+-------+-------+-------+--------+-------+
| Dr. Thanu Kulachol      | X,/,  | -     | X,/,  | -      | -     |
|                         | ///   |       | ///   |        |       |
+-------------------------+-------+-------+-------+--------+-------+
| Dr. Supong Limtanakool  | /,    | -     | -     | -      | -     |
|                         | ///,  |       |       |        |       |
|                         | A     |       |       |        |       |
+-------------------------+-------+-------+-------+--------+-------+
| Mr. Pornthep            | /,    | -     | -     | -      | -     |
| Sawetwannakul           | ///,  |       |       |        |       |
|                         | A     |       |       |        |       |
+-------------------------+-------+-------+-------+--------+-------+
| Dr. Srisuda             | /,    | -     | -     | -      | -     |
| Chongsithiphol          | ///,  |       |       |        |       |
|                         | A     |       |       |        |       |
+-------------------------+-------+-------+-------+--------+-------+
| Mr. Chainarong          | /     | /     | /     | -      | -     |
| Chanpalangsri           |       |       |       |        |       |
+-------------------------+-------+-------+-------+--------+-------+
| Mrs. Kanoktip           | /     | /     | /, // | /      | /     |
| Chanpalangsri           |       |       |       |        |       |
+-------------------------+-------+-------+-------+--------+-------+
| Mr. Pathompol Saosap    | /     | /     | /, // | -      | /     |
+-------------------------+-------+-------+-------+--------+-------+
| Mr. Cherdsak            | /     | -     | /, // | -      | -     |
| Wattanavijitkul         |       |       |       |        |       |
+-------------------------+-------+-------+-------+--------+-------+
| Mr. Jackrit Pongprasert | /, // | -     | /, // | -      | -     |
+-------------------------+-------+-------+-------+--------+-------+
| Mr. Vikul Lohamongkol   | -     | -     | //    | -      | -     |
+-------------------------+-------+-------+-------+--------+-------+
|                         |       |       |       |        |       |
+-------------------------+-------+-------+-------+--------+-------+

Note: X = Chairman of the Board A = Member of the Audit Committee

/ = Director O = Executive

// = Executive Director

/// = Independent Director

  TPCA = TPC Asset Company Limited

  TPCB = TPC Bangkok Supply Company Limited

  TPCH = TPC Power Holding Public Company Limited

  TPCL = Thai Polycons and Laem Thong Phatthalung Joint Venture

  TPCI = TPCI Joint Venture

[TABLE]

Note: X = Chairman of the Board A = Member of the Audit Committee

/ = Director O = Executive

// = Executive Director

/// = Independent Director

CRB Chang Raek Biopower Company Limited MGP Mahachai Green Power Company
Limited

TSG Thung Sung Green Company Limited MWE Maewong Energy Company Limited

PGP Phatthalung Green Power Company Limited SGP Satun Green Power
Company Limited

PTG Pattani Green Company Limited TPCH1 TPCH Power 1 Company Limited

TPCH2 TPCH Power 2 Company Limited TPCH3 TPCH Power 3 Company Limited

TPCH4 TPCH Power 4 Company Limited TPCH5 TPCH Power 5 Company Limited

SP Siam Power Company Limited