13. Other related Information

References

(1) Share Registrar

Name Thailand Securitires Depository Company Limited

Address SET Building, 62 Ratchadaphisek Road, Klong Toey, Bangkok 10110,
Thailand

Telephone 66 (0) 2229-2800

Facsimile 66 (0) 2359-1259

(2) Debenture Registrar (Baht Debentures: Baht 2,500 million bonds
issued March 2003; Baht 3,500 million bonds issued February 2007; Baht
12,500 million bonds issued June 2007)

  Name Thai Military Bank Public Company Limited

  Address 393 Silom Road, Bangrak, Bangkok 10500, Thailand

  Telephone 66 (0) 2230-6295, 66 (0) 2230-5575, 66 (0) 2230-6061

  Facsimile 66 (0) 2230-6093, 66 (0) 2266-8150, 66 (0) 2266-7213

(3) Bondholder’s Representative (Baht 12,500 million bonds issued June
2007)

  Name KASIKORNBANK Public Company Limited

  Address 1 Soi Kasikornthai, Ratburana Road, Bangkok 10140, Thailand

  Telephone 66 (0) 2470-1986

  Facsimile 66 (0) 2470-3684

(4) Auditor

Name Office of the Auditor-General of Thailand

  Address Rama IV Road, Phayathai, Bangkok 10400, Thailand

  Telephone 66 (0) 2273-9025

  Facsimile 66 (0) 2618-5783

(5) Independent Director as Shareholder’s Representative

E-mail IndependentDirector@pttep.com

(6) Legal Consultants

  Name Herbert Smith (Thailand) Limited

  Address 1403 Abdulrahim Place, 990 Rama IV Road, Bangkok 10500,
  Thailand

  Telephone 66 (0) 2657-3888

  Facsimile 66 (0) 2636-0657

  Name Herbert Smith

  Address 23^(rd) Floor Gloucester Tower, 15 Queen's Road Central, Hong
  Kong

  Telephone (852) 2845-6639

  Facsimile (852) 2845-9099

  Name Herbert Smith LLP

  Address 50 Raffles Place #24-01, Singapore Land Tower, Singapore
  048623

  Telephone (65) 6868-8000

  Facsimile (65) 6868-8001

  Name Minter Ellison Perth

  Address Level 49, Central Park, 152-158 St George's Terrace, Perth,
  Western Australia, 6000 Australia

  Telephone (61) 8-9429-7444

  Facsimile (61) 8-9429-7666

  Name Siam Premier International Law Office Limited

  Address 26^(th) Floor, The Offices at Central World, 999/9 Rama 1
  Road, Pathumwan, Bangkok 10330, Thailand

  Telephone 66 (0) 2646-1888

  Facsimile 66 (0) 2646-1919

  Name Independence Law Office

  Address 31 Phyathai Building, 8^(th) floor, Phyathai Road,
  Raychathewi, Bangkok, 10400
  Thailand

  Telephone 66 (0) 2642-7642

  Facsimile 66 (0) 2642-7649

(7) Other Advisors

Name Ms. Sukon Kanchanalai

Advisor to the Board of Directors

  Address 188 Soi 16 South Tesbanimit Road, Prachanivej I, Chatuchak,
  Bangkok 10900, Thailand

  Telephone 66 (0) 2589-5566

  Facsimile -

  Name Mr. Tongchat Hongladarom

  Advisor to the Board of Directors

  Address 8/48 Prasanmite Condominium, Sukhumvit 23, Klongteoy-nua,
  Wattana, Bangkok 10110, Thailand

  Telephone 66 (0) 2258-4363

  Facsimile -

  Name Dr. Charan Achalabhuti

Advisor on Petroleum Exploration and Development Issues in the Gulf of
Thailand and Oversea

  Address 708 Sriyan Soi 1, Nakornchaisri Road, Bangkok 10300, Thailand

  Telephone 66 (0) 8-6872-9640, 66 (0) 2243-3644, 66 (0) 2669-0880

  Facsimile 66 (0) 2243-3674

  Name Mr. Chaiyong Phumphabu

  Advisor on Natural and Environmental

  Address 100/167 Moo 8, Soi 18 A Chaiyaphurk Village, Tumbon
  Bangrakpattana, Amphor Bangbuothong, Nonthaburi 11110, Thailand

  Telephone 66 (0) 8-9949-3394

  Facsimile 66 (0) 2597-3810

  Name Mr. Preecha Supaluk

  Advisor on the Corporate Social Responsibility

  Address 4 Soi Chotsahay (Soi 1) Rimklongprapa Road, Bangsue, Dusit,
  Bangkok 10800, Thailand

  Telephone 66 (0) 2585-2645

  Facsimile -

  Name Ms. Patchara Pariwatvorn

  Advisor on Knowledge Management, E&P Technical Database & Geosciences
  Competency

  Address 45/47 Soi Sripichai, Rimklongprapa Road, Moo 9, Bangsue,
  Bangkok 10800, Thailand

  Telephone 66 (0) 8-1835-9906

  Facsimile -

  Name Mr. Visarut Pawasittichot

  Advisor on Employee Relation

  Address 1102 Arkarnsongkhlor 5 Road, Klongchan Bangkapi Bangkok,
  10240, Thailand

  Telephone 66 (0) 8-1816-7614

  Facsimile -