Diamond Offshore Prices $500MM of Senior Notes

Diamond Offshore Drilling reported the pricing of $500 million principal amount of the Company's 5.70% senior unsecured notes due October 15, 2039. The notes were offered at 99.344% of the principal amount. Closing of the transaction is scheduled for October 8, 2009, subject to customary closing conditions. The Company intends to use the net proceeds from the sale of the notes for general corporate purposes.