PTTEP 13061/00-9037/2017

Investor Relations Tel. 0-2537-5919, 0-2537-5304, 0-2537-5779, 0-2537-4446, 0-2537-4000 ext. 800-7374

21 November 2017

President

The Stock Exchange of Thailand

93 Ratchadaphisek Road, Dindaeng

Bangkok 10400

Dear Sir,

Subject: 2018 PTTEP's Public Holidays

PTT Exploration and Production Public Company Limited (PTTEP) would like to announce its 2018 public holidays as follows:

1. Monday 1 January New year's Day
2. Thursday 1 March Makha Bucha Day
3. Friday 6 April Chakri Memorial Day
4. Friday 13 April Songkran Festival Day
5. Monday 16 April Substitution for Songkran Festival Day on Saturday 14 April
6. Tuesday 17 April* Substitution for Songkran Festival Day on Sunday 15 April
7. Tuesday 1 May National Labor Day
8. Tuesday 29 May Visakha Bucha Day
9. Friday 27 July Asalha Bucha Day
10. Monday 30 July Substitution for H.M. the King's Birthday and Buddhist Lent Day on Saturday 28 July
11. Monday 13 August Substitution for H.M. the Queen's Birthday on Sunday 12 August
12. Monday 15 October Substitution H.M. the late King Bhumibol Adulyadej Memorial Day on Saturday 13 October
13. Tuesday 23 October Chulalongkorn Memorial Day
14. Wednesday 5 December H.M. the late King Bhumibol Adulyadej's Birthday and Father's Day
15. Monday 10 December Constitution Day
16. Monday 31 December New Year's Eve

Sincerely yours,

Thiti Mekavichai

Thiti Mekavichai

Executive Vice President, Human Resources and Business Services Group

Note: * PTTEP's holiday which is different from the Stock Exchange of Thailand's

PTT Exploration & Production pcl published this content on 21 November 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 21 November 2017 10:28:11 UTC.

Original documenthttp://www.pttep.com/en/Investorrelations/Regulatorfilings/Setnotification/2018Pttepspublicholidays.aspx

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