EXHIBIT 4.3 FORM OF ACKNOWLEDGEMENT OF NOVATION TO: NABORS INDUSTRIES, INC. NABORS EXCHANGECO (CANADA) INC. COMPUTERSHARE TRUST COMPANY OF CANADA 3064297 NOVA SCOTIA COMPANY The undersigned, Nabors Industries Ltd. ("NIL"), refers to (i) the Support...Nabors Industries LTD • June 11th, 2002 • Alberta
Company FiledJune 11th, 2002 Jurisdiction