We are investigating the Board of Directors of Rowan Companies plc. (“As “Rowan” or the “Company”) (NYSE: RDC) for possible breaches of fiduciary duty related to the sale of the company to Ensco plc. (NYSE: ESV) (“Ensco”). Under the terms of the transaction, Rowan shareholders will receive 2.215 Ensco shares for each Rowan share they own, representing an approximate value of $18.78 per share.