North Atlantic Drilling says Seadrill to back 2018 bond in trade for amendments North Atlantic Drilling (NADL) announces the launch of an amendment process whereby Seadrill Limited (SDRL) will provide a guarantee for the company's NOK 1.5B bond maturing in 2018, in exchange for some amendments to the bond covenant package, namely replacing the NADL's current financial covenants with Seadrill's financial covenants from Seadrill's NOK denominated bonds. Concurrent with the amendment process for the Bond Agreement, NADL has also launched an amendment process for its secured credit facilities whereby Seadrill Limited will provide a guarantee. Successful conclusion of this process will amend the terms of the loan agreements to align with the terms set forth in Seadrill Limited's loan agreements. "The company's lenders have been supportive thus far and we expect successful conclusion of this amendment in the weeks to come," the company stated. North Atlantic Drilling shares are up 19% in pre-market trading following the announcement.