COMECO buys back shares

Materials - Petroleum Joint Stock Company (COMECO) announces the result and plan to buy back its own shares as follows:

1. Trading result

* Treasury shares before trading: 286,093 shares ( 3.32% charter capital)

* Volume registered to buy back: 164,060 shares

* Bought volume: 38,670 shares

* Treasury shares currently: 324,763 shares (3.77% charter capital)

* Finish date: March 30, 2009

* Reason: The bid orders were not matched.

2. New transaction

* Treasury shares currently: 324,763 shares (3.77% charter capital)

* Volume registered to buy back: 125,390 shares

* Treasury shares after trading: 450,153 shares (5.23% charter capital)

* Purpose: To increase treasury shares

* Trading method: Order matching

* Trading period: From April 21, 2009 to July 21, 2009

hose

>   PVF: Result of Transaction of inside shareholder (15/04/2009)

>   TTP: Trading Result of Major Shareholder (15/04/2009)

>   HBC: Transaction of Inside Shareholder (15/04/2009)

>   TDH: Trading Result of Major Shareholder (15/04/2009)

>   LBM: Transaction of inside shareholder (15/04/2009)

>   VTA: Transaction of inside shareholder (15/04/2009)

>   TCT: Transaction of inside shareholder (15/04/2009)

>   S91: Audited Financial Statement for FY2008 (15/04/2009)

>   SCC: Audited Financial Statement for FY2008 (15/04/2009)

>   SDD: Audited Financial Statement for FY2008 (15/04/2009)