Ocean Rig Inks Contract with BP for Leiv Eiriksson

Reference is made to announcement dated September 1st regarding a Letter of Intent with BP's Angola Business Unit for two wells and two optional wells in continuation, to be drilled on Block 31 offshore Angola. The optional wells can be exercised on or before October 15th.

Ocean Rig has signed the drilling contract with BP for the 2 + 2 well program starting on October 1st with a net combined value of approximately $ 59 million.