Announcement of Shareholder Voting Rights Percentage Change Pursuant to the Law 3556/2007

MOTOR OIL (HELLAS) S.A. hereby announces that on May 28th, 2010 its shareholder under the legal name Motor Oil Holdings S.A. notified that it is in possession of 64,279,433 Company shares corresponding to 58.023% of the voting rights of the Company.

The above mentioned percentage refers to the voting rights of the Company controlled by Motor Oil Holdings S.A. both directly (106,423 shares – 0.096% of voting rights) and indirectly through the legal entities PETROVENTURE HOLDINGS LIMITED (56,499,320 shares – 51.00% of voting rights) and PETROSHARES LIMITED (7,673,690 shares – 6.927% of voting rights).

According to its previous official notification made in March 2006, Motor Oil Holdings S.A. controlled 61.537% of the voting rights of the Company.

The present announcement is made pursuant to article 9 paragraph 4 of the Law 3556/2007 since the percentage variance of the voting rights of the Company controlled by the shareholder under such acknowledgement obligation constitutes a change in excess of 3 percentage units.

May 28th, 2010 is the date that the stock exchange transaction which resulted in a voting rights variance change in excess of 3 percentage units took place. Prior to the critical date, Motor Oil Holdings S.A. directly and indirectly controlled 58.540% of the voting rights of the Company.

Maroussi, May 31st, 2010