Lower IBOP P/N 17782347-XXX, P/N 10464713-XXX, P/N 10390290-XXX, P/N 10390291-XXX, P/N 10472813-XXX, P/N 11026224, P/N 17874582-XXX, Upper IBOP P/N 11347675-XXX, P/N 10380131-XXX, P/N 10470637-XXX, P/N 17782333-XXX, P/N 10655541-XXX, P/N 11055787-XXX, P/N 17876114-XXX, P/N 17868100-XXX, P/N 11362497-XXX, P/N 10378149-XXX

Lower IBOP P/N 17782347-XXX, P/N 10464713-XXX, P/N 10390290-XXX, P/N 10390291-XXX, P/N 10472813-XXX, P/N 11026224, P/N 17874582-XXX, Upper IBOP P/N 11347675-XXX, P/N 10380131-XXX, P/N 10470637-XXX, P/N 17782333-XXX, P/N 10655541-XXX, P/N 11055787-XXX, P/N 17876114-XXX, P/N 17868100-XXX, P/N 11362497-XXX, P/N 10378149-XXX by National Oilwell Varco, L.P. - Rig Technologies Division - Mexicali. DNV TA certificate TAD0000100.