Attachment 2: Directors of Subsidiary and Associated Companies

1.  Subsidiary: 42 Companies

[TABLE]

Remarks / : Director X : Chairman /// : Executive Director

¹ Mr. Suraphong Iamchula was appointed as director, replacing Mr.
Prisdapunt Pojanapreecha, with effect from 25 January 2010

[TABLE]

[TABLE]

Remarks / : Director X : Chairman /// : Executive Director

+---+-------+----------+------+-------+-------+-------+-------+--------+
| N | Name  |          | P    | PTTEP | PTTEP | PTTEP | ATL   | PTTEP  |
| o |       |          | TTEP | MYA   | NZ    | SM    |       | WA     |
| . | (As   |          | BD   |       |       |       |       |        |
|   | of 15 |          |      |       |       |       |       |        |
|   | Ja    |          |      |       |       |       |       |        |
|   | nuary |          |      |       |       |       |       |        |
|   | 2010) |          |      |       |       |       |       |        |
+---+-------+----------+------+-------+-------+-------+-------+--------+
| 1 | Mr.   | V        | /    |       | /     | /     |       | /      |
|   | So    | ongvuthi |      |       |       |       |       |        |
|   | mporn | pornchai |      |       |       |       |       |        |
+---+-------+----------+------+-------+-------+-------+-------+--------+
| 2 | Mr.   | Limpiti  |      |       |       |       |       | /      |
|   | Asd   |          |      |       |       |       |       |        |
|   | akorn |          |      |       |       |       |       |        |
+---+-------+----------+------+-------+-------+-------+-------+--------+
| 3 | Mr.   | P        |      |       | /     | /     |       |        |
|   | Te    | hoonsiri |      |       |       |       |       |        |
|   | rapol |          |      |       |       |       |       |        |
+---+-------+----------+------+-------+-------+-------+-------+--------+
| 4 | Mr.   | C        | /    |       |       |       |       |        |
|   | Owas  | hinoroje |      |       |       |       |       |        |
+---+-------+----------+------+-------+-------+-------+-------+--------+
| 5 | Mr.   | Kanok    |      | /     |       |       | /     |        |
|   | Kanok |          |      |       |       |       |       |        |
+---+-------+----------+------+-------+-------+-------+-------+--------+
| 6 | Mr.   | Soponp   |      | /     |       |       | /     |        |
|   | P     | ongpipat |      |       |       |       |       |        |
|   | rapat |          |      |       |       |       |       |        |
+---+-------+----------+------+-------+-------+-------+-------+--------+

+---+--------+---------+------+------+-------+-------+-------+--------+
| N | Name   |         | P    | P    | PTTEP | PTTEP | PTTEP | PTTEP  |
| o |        |         | TTEP | TTEP | AP    | AB    | AA    | AT     |
| . | (As of |         | AU   | AO   |       |       |       |        |
|   | 15     |         |      |      |       |       |       |        |
|   | J      |         |      |      |       |       |       |        |
|   | anuary |         |      |      |       |       |       |        |
|   | 2010)  |         |      |      |       |       |       |        |
+---+--------+---------+------+------+-------+-------+-------+--------+
| 1 | Mr.    | Von     | /    | /    | /     | /     | /     | /      |
|   | S      | gvuthip |      |      |       |       |       |        |
|   | omporn | ornchai |      |      |       |       |       |        |
+---+--------+---------+------+------+-------+-------+-------+--------+
| 2 | Mr.    | Chonc   | /    | /    | /     | /     | /     | /      |
|   | Anun   | hawalit |      |      |       |       |       |        |
+---+--------+---------+------+------+-------+-------+-------+--------+
| 3 | Mr.    | T       | ///  | ///  | ///   | ///   | ///   | ///    |
|   | Chale  | ongtaow |      |      |       |       |       |        |
|   | rmkiat |         |      |      |       |       |       |        |
+---+--------+---------+------+------+-------+-------+-------+--------+
| 4 | Mr.    | Martins | ///  | ///  | ///   | ///   | ///   | ///    |
|   | Jose   |         |      |      |       |       |       |        |
+---+--------+---------+------+------+-------+-------+-------+--------+
| 5 | Ms.    | Br      | ///  | ///  | ///   | ///   | ///   | ///    |
|   | C      | eadmore |      |      |       |       |       |        |
|   | hristy |         |      |      |       |       |       |        |
+---+--------+---------+------+------+-------+-------+-------+--------+

Remarks / : Director X : Chairman /// : Executive Director

+---+--------+---------+------+------+------+-------+-------+--------+
| N | Name   |         | P    | P    | P    | PTTEP | PTTEP | PTTEP  |
| o |        |         | TTEP | TTEP | TTEP | AAO   | AAA   | AAS    |
| . | (As of |         | AAF  | AAP  | AAT  |       |       |        |
|   | 15     |         |      |      |      |       |       |        |
|   | J      |         |      |      |      |       |       |        |
|   | anuary |         |      |      |      |       |       |        |
|   | 2010)  |         |      |      |      |       |       |        |
+---+--------+---------+------+------+------+-------+-------+--------+
| 1 | Mr.    | Von     | /    | /    | /    | /     | /     | /      |
|   | S      | gvuthip |      |      |      |       |       |        |
|   | omporn | ornchai |      |      |      |       |       |        |
+---+--------+---------+------+------+------+-------+-------+--------+
| 2 | Mr.    | Chonc   | /    | /    | /    | /     | /     | /      |
|   | Anun   | hawalit |      |      |      |       |       |        |
+---+--------+---------+------+------+------+-------+-------+--------+
| 3 | Mr.    | T       | ///  | ///  | ///  | ///   | ///   | ///    |
|   | Chale  | ongtaow |      |      |      |       |       |        |
|   | rmkiat |         |      |      |      |       |       |        |
+---+--------+---------+------+------+------+-------+-------+--------+
| 4 | Mr.    | Martins | ///  | ///  | ///  | ///   | ///   | ///    |
|   | Jose   |         |      |      |      |       |       |        |
+---+--------+---------+------+------+------+-------+-------+--------+
| 5 | Mr.    | Jacob   | ///  | ///  | ///  | ///   | ///   | ///    |
|   | Andy   |         |      |      |      |       |       |        |
+---+--------+---------+------+------+------+-------+-------+--------+

Remarks / : Director X : Chairman /// : Executive Director

2.  Associated Company: 11 Companies²

[TABLE]

Remarks / : Director X : Chairman /// : Executive Director

2.  PTTEP has 11 associated companies, of which four have no director
    from PTTEP, but are governed by representative, with the following
    details:

(1) TPC is governed through shareholders’ meetings.

(2) HV JOC and HL JOC are governed by Management Committee (MC), of
    which PTTEP’s representative is Mr. Somporn Vongvuthipornchai as
    Member, with Mr. Surachai Tanasomboonkit as Alternate Member.

(3) GBRS are governed by MC, of which PTTEP’s representative is Mr.
    Somporn Vongvuthipornchai as Member, with Mr. Owas Chinoroje as
    Alternate Member.

3.  Mr. Suraphong Iamchula was appointed as director, replacing Mr.
    Prisdapunt Pojanapreecha, with effect from 22 February 2010.

4.  PTTEPI, as a shareholder of CPOC, has informed CPOC about its change
    in directors from Mr. Prisdapunt Pojanapreecha to Mr. Suraphong
    Iamchula on 20 January 2010. The appointment will become effective
    upon the approval of CPOC’s Board of Directors.