CEZ SAYS IT HAS RECEIVED NOTICE OF ORDERS BY A LUXEMBOURG COURT BAILIFF CONCERNING CEZ’S EQUITY INTERESTS IN CZECH GAS NETWORKS AND CZECH GAS NETWORKS INVESTMENTS, ISSUED FOLLOWING PROCEDURAL STEPS TAKEN BEFORE LUXEMBOURG AUTHORITIES BY DIAG HUMAN SE IN CONNECTION WITH ITS ALLEGED CLAIMS AGAINST THE CZECH REPUBLIC, WHICH IT CONSIDERS BOTH UNLAWFUL AND AN ABUSIVE EXERCISE OF RIGHTS AGAINST CEZ.