Common use of INITIAL GUARANTORS Clause in Contracts

INITIAL GUARANTORS. Australia Initial Guarantor: Weatherford Australia Pty Limited Bermuda Initial Guarantors: Key International Drilling Company Limited Sabre Drilling Ltd. Weatherford Bermuda Holdings Ltd. ▇▇▇▇▇▇▇▇▇▇▇ International Holding (Bermuda) Ltd. Weatherford Pangaea Holdings Ltd. Weatherford Services, Ltd. Weatherford Holdings (Bermuda) Ltd. ▇▇▇▇▇▇▇▇▇▇▇ International Ltd. WOFS Assurance Limited British Virgin Islands Initial Guarantors: Weatherford Colombia Limited Weatherford Drilling International (BVI) Ltd. Weatherford Drilling International Holdings (BVI) Ltd. Weatherford Holdings (BVI) Ltd. ▇▇▇▇▇▇▇▇▇▇▇ Oil Tool Middle East Limited Canada Initial Guarantors: Weatherford Canada Ltd. Weatherford Deutsche Holding (Canada) ULC Weatherford (Nova Scotia) ULC England Initial Guarantors: Weatherford Eurasia Limited Weatherford U.K. Limited Ireland Initial Guarantor: ▇▇▇▇▇▇▇▇▇▇▇ International plc Luxembourg Initial Guarantors: Weatherford European Holdings (Luxembourg) S.à ▇.▇. ▇▇▇▇▇▇▇▇▇▇▇ International (Luxembourg) Holdings S.à ▇.▇. Netherlands Initial Guarantor: Weatherford Netherlands B.V. Norway Initial Guarantors: Weatherford Norge AS Weatherford Laboratories (Norway) AS Panama Initial Guarantor: Weatherford Services S. de ▇.▇. Switzerland Initial Guarantors: Weatherford Management Company Switzerland Sarl Weatherford Products GmbH Weatherford Switzerland Trading and Development GmbH Weatherford Worldwide Holdings GmbH WOFS International Finance GmbH WOFS Swiss Finance GmbH Weatherford Holdings (Switzerland) GmbH United States Initial Guarantors: PD Holdings (USA), L.P. Precision Drilling Holdings, Inc. Precision Drilling LP, Inc. Precision USA Holdings, Inc. Precision Energy Services, Inc. Weatherford Artificial Lift Systems, LLC Weatherford Investment Inc. ▇▇▇▇▇▇▇▇▇▇▇ International, LLC Weatherford Holdings U.S. LLC Weatherford/Lamb, Inc. ▇▇▇▇▇▇▇▇▇▇▇ Limited Partner, L.L.C. Weatherford U.S. Holdings, L.L.C. Weatherford U.S., L.P. WEUS Holding, LLC Precision Drilling Technology Services Group (USA) Inc. Precision Oilfield Services, LLP Visual Systems, Inc. JPMorgan Chase Bank, N.A. $ 0 $ 45,579,143.95 7.814584521011 % Deutsche Bank AG New York Branch $ 0 $ 45,579,143.95 7.814584521011 % ▇▇▇▇▇ Fargo Bank, National Association $ 0 $ 45,579,143.95 7.814584521011 % ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Bank, N.A. $ 0 $ 45,579,143.95 7.814584521011 % Citibank, N.A. $ 0 $ 45,579,143.95 7.814584521011 % Skandinaviska Enskilda ▇▇▇▇▇▇ ▇▇ (publ) $ 0 $ 32,101,756.51 5.▇▇▇▇▇▇▇▇▇▇▇▇ % The Toronto Dominion Bank, New York Branch $ 0 $ 32,101,756.51 5.▇▇▇▇▇▇▇▇▇▇▇▇ % Royal Bank of Canada $ 0 $ 28,891,580.86 4.▇▇▇▇▇▇▇▇▇▇▇▇ % Nordea Bank AB (publ), New York Branch $ 0 $ 20,545,124.17 3.522479700304 % Standard Chartered Bank $ 0 $ 15,641,866.73 2.681811877864 % MUFG Bank, Ltd. $ 85,998,384.82 $ 0 14.744499097735 % Barclays Bank PLC $ 43,609,933.38 $ 0 7.476961628053 % UniCredit Bank AG, New York Branch $ 38,764,385.22 $ 0 6.646188112682 % Banco Bilbao Vizcaya Argentaria, S.A. New York Branch $ 21,804,966.68 $ 0 3.738480812312 % ▇▇▇▇▇▇▇ ▇▇▇▇▇ Lending Partners LLC $ 19,548,218.94 $ 0 3.351559417382 % Bank of America, N.A. $ 16,353,725.01 $ 0 2.803860609234 %

INITIAL GUARANTORS. Australia Initial Guarantor: Weatherford Australia Pty Limited (Secured Obligor) Bermuda Initial Guarantors: Key International Drilling Company Limited (Secured Obligor) Sabre Drilling Ltd. Weatherford Bermuda Holdings Ltd. ▇▇▇▇▇▇▇▇▇▇▇ International Holding (Bermuda) Ltd. Weatherford Pangaea Holdings Ltd. Weatherford Services, Ltd. Weatherford (Secured Obligor) ▇▇▇▇▇▇▇▇▇▇▇ Holdings (Bermuda) Ltd. ▇▇▇▇▇▇▇▇▇▇▇ International Ltd. (Secured Obligor) WOFS Assurance Limited British Virgin Islands Initial Guarantors: Weatherford Colombia Limited (Secured Obligor) Weatherford Drilling International (BVI) Ltd. (Secured Obligor) Weatherford Drilling International Holdings (BVI) Ltd. Weatherford Holdings (BVI) Ltd. (Secured Obligor) ▇▇▇▇▇▇▇▇▇▇▇ Oil Tool Middle East Limited (Secured Obligor) Canada Initial Guarantors: Weatherford Canada Ltd. Weatherford Deutsche Holding (Canada) ULC Weatherford (Nova Scotia) ULC England Initial Guarantors: Weatherford Eurasia Limited Weatherford U.K. Limited (Secured Obligor) Ireland Initial Guarantor: ▇▇▇▇▇▇▇▇▇▇▇ International plc Luxembourg Initial Guarantors: Weatherford European Holdings (Luxembourg) S.à ▇.▇. ▇▇▇▇▇▇▇▇▇▇▇ International (Luxembourg) Holdings S.à ▇.▇. Netherlands Initial Guarantor: Weatherford Netherlands B.V. Norway Initial Guarantors: Weatherford Norge AS (Secured Obligor) Weatherford Laboratories (Norway) AS Panama Initial Guarantor: Weatherford Services S. de ▇.▇. Switzerland Initial Guarantors: Weatherford Management Company Switzerland Sarl Weatherford Products GmbH (Secured Obligor) Weatherford Switzerland Trading and Development GmbH Weatherford Worldwide Holdings GmbH WOFS International Finance GmbH WOFS Swiss Finance GmbH Weatherford Holdings (Switzerland) GmbH United States Initial Guarantors: PD Holdings (USA), L.P. Precision Drilling Holdings, Inc. Precision Drilling LP, Inc. Precision USA Holdings, Inc. Precision Energy Services, Inc. (Secured Obligor) Weatherford Artificial Lift Systems, LLC (Secured Obligor) Weatherford Investment Inc. ▇▇▇▇▇▇▇▇▇▇▇ International, LLC Weatherford Holdings U.S. LLC Weatherford/Lamb, Inc. ▇▇▇▇▇▇▇▇▇▇▇ Limited Partner, L.L.C. Weatherford U.S. Holdings, L.L.C. Weatherford U.S., L.P. (Secured Obligor) WEUS Holding, LLC (Secured Obligor) Precision Drilling Technology Services Group (USA) Inc. Precision Oilfield Services, LLP Visual Systems, Inc. JPMorgan Chase Bank, N.A. $ 0 $ 45,579,143.95 7.814584521011 40,419,240.86 12.760911614345 % Deutsche Bank AG New York Branch $ 0 $ 45,579,143.95 7.814584521011 40,419,240.87 12.760911617502 % ▇▇▇▇▇ Fargo Bank, National Association $ 0 $ 45,579,143.95 7.814584521011 40,419,240.87 12.760911617502 % ▇▇▇▇▇▇ ▇▇▇▇▇▇▇ Bank, N.A. $ 0 $ 45,579,143.95 7.814584521011 40,419,240.87 12.760911617502 % Citibank, N.A. $ 0 $ 45,579,143.95 7.814584521011 40,419,240.87 12.760911617502 % Skandinaviska Enskilda ▇▇▇▇▇▇ ▇▇ (publ) $ 0 $ 32,101,756.51 528,467,595.40 8.▇▇▇▇▇▇▇▇▇▇▇▇ % The Toronto Dominion Bank, New York Branch $ 0 $ 32,101,756.51 528,467,595.40 8.▇▇▇▇▇▇▇▇▇▇▇▇ % Royal Bank of Canada $ 0 $ 28,891,580.86 425,620,835.86 8.▇▇▇▇▇▇▇▇▇▇▇▇ % Nordea Bank AB (publ), New York Branch $ 0 $ 20,545,124.17 3.522479700304 18,219,261.05 5.752071909094 % Standard Chartered Bank $ 0 $ 15,641,866.73 2.681811877864 13,871,089.37 4.379294159887 % MUFG Bank, Ltd. $ 85,998,384.82 $ 0 14.744499097735 % Barclays Bank PLC $ 43,609,933.38 $ 0 7.476961628053 % UniCredit Bank AG, New York Branch $ 38,764,385.22 $ 0 6.646188112682 % Banco Bilbao Vizcaya Argentaria, S.A. New York Branch $ 21,804,966.68 $ 0 3.738480812312 % ▇▇▇▇▇▇▇ ▇▇▇▇▇ Lending Partners LLC $ 19,548,218.94 $ 0 3.351559417382 % Bank of America, N.A. $ 16,353,725.01 $ 0 2.803860609234 %None.