March 27 (Reuters) - Austex Oil Ltd AOK.AX
* Update on preference share dispute
* Received a 'summons in a civil action' (summons) filed in united states district court
* Summons alleges, inter alia, that company is in breach of terms of subscription agreement approved by shareholders at egm
* "It disputes that there has been a breach of subscription agreement" Source text for Eikon: ID:nASX9HHY26 Further company coverage: AOK.AX