UNIPETROL, a.s. hereby announces that there has been a change in the financial calendar for 2012. First quarter of 2012 financial statements will be published on 25 April 2012. The originally announced date of publication of the first quarter of 2012 financial statements was 27 April 2012.The date of publication of the estimation of selected operating data of Unipetrol (trading statement) for the first quarter of 2012 remains unchanged, i.e. 19 April 2012.

In Prague, on 30 March 2012
UNIPETROL, a.s.

Reg. Announc. No. 4/2012