The airline is suing Ryanair in an effort to force its rival to divest its 30 percent stake. Britain's competition watchdog also is investigating whether Ryanair's investment in Aer Lingus unfairly influences its competitor's decisions. Ryanair holds no seats on the Aer Lingus board.
AP writer Shawn Pogatchnik in Dublin contributed to this report.
Juergen Baetz can be reached on Twitter at http://www.twitter.com/jbaetz
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