Laredo Petroleum, Inc. announced that it intends to offer USD 350 million in aggregate principal amount of senior notes due 2022 in a private placement to eligible purchasers. The company will use the net proceeds of the offering, if completed, for general working capital purposes. The senior notes will be senior unsecured obligations of the company and will be guaranteed on a senior unsecured basis by the company`s existing subsidiary and all of its future subsidiaries, with certain exceptions.