Common use of Global Settlement Clause in Contracts

Global Settlement. Through The Depository Trust Company, Euroclear or Clearstream, Luxembourg 100% Quest Diagnostics Holdings Incorporated (DE) 100% Quest Diagnostics International Holding Limited (UK) 100% Quest Diagnostics Holdings Ltd. (UK) 100% ExamOne Canada, Inc. (New Brunswick) 100% Quest Diagnostics Brasil Holdings Ltd. (UK) 100% Quest Diagnostics Testes Forenses do Brasil Ltda. (Brazil) 99.9% Quest Diagnostics HTAS India Private Limited (India) (0.1% Quest Diagnostics International Holdings Limited (UK) 100% Quest Diagnostics of Puerto Rico, Inc. (PR) 100% Quest Diagnostics do Brasil Ltda. (Brazil) 100% Quest Diagnostics Ireland Limited (Ireland) 100% Quest Diagnostics (Shanghai) Co., Ltd. (China) 100% Quest Diagnostics Subsidiary Holdings Ltd. (UK) 40% Q Squared Solutions Holdings Limited (UK) 100% Quest Diagnostics Clinical Laboratories, Inc. (DE) 100% LabOne, LLC (MO) 100% ExamOne World Wide, Inc. (PA) 100% ExamOne LLC (DE) 100% ExamOne World Wide of NJ, Inc. (NJ) 51% DGXWMT JV, LLC (DE) 100% Mobile Medical Examination Services, LLC (CA) 100% Quest Diagnostics Health & Wellness LLC (DE) 100% LabOne of Ohio, Inc. (DE) 44% Mid America Clinical Laboratories (IN) 51% Diagnostic Laboratory of Oklahoma LLC (OK) 49% Sonora Quest Laboratories LLC (AZ) 70% Quest Diagnostics Domestic Holder LLC (DE) 40% Q Squared Solutions Holdings, LLC (DE) 100% Quest Diagnostics Incorporated (MD) 100% Diagnostic Reference Services Inc. (MD) 100% Pathology Building Partnership (MD) (gen. ptnrshp.) 100% Quest Diagnostics Incorporated (MI) 100% Quest Diagnostics India Private Limited (India) 100% Quest Diagnostics Infectious Disease, Inc. (DE) (30%) Quest Diagnostics Domestic Holder LLC (DE) 100% Quest Diagnostics International LLC (DE) 100% Quest Diagnostics Investments LLC (DE) 100% Quest Diagnostics LLC (IL) 100% Quest Diagnostics LLC (MA)

Global Settlement. Through The Depository Trust Company, Euroclear or Clearstream, Luxembourg 100% Quest Diagnostics Holdings Incorporated (DE) 100% Quest Diagnostics International Holding Limited (UK) 100% Quest Diagnostics Holdings Ltd. (UK) 100% ExamOne Canada, Inc. (New Brunswick) 100% Quest Diagnostics Brasil Holdings Ltd. (UK) 100% Quest Diagnostics Testes Forenses do Brasil Ltda. (Brazil) 99.9% Quest Diagnostics HTAS India Private Limited (India) (0.1% Quest Diagnostics International Holdings Limited (UK) 100% Quest Diagnostics of Puerto Rico, Inc. (PR) 100% Quest Diagnostics do Brasil Ltda. (Brazil) 100% Quest Diagnostics Ireland Limited (Ireland) 100% Quest Diagnostics (Shanghai) Co., Ltd. (China) 100% Quest Diagnostics Subsidiary Holdings Ltd. (UK) 40% Q Squared Solutions Holdings Limited (UK) 100% Quest Diagnostics Clinical Laboratories, Inc. (DE) 100% LabOne, LLC (MO33-l/3%) 100% ExamOne World Wide, Inc. CompuNet Clinical Laboratories (PAOH) 100% ExamOne LLC (DE44%) 100% ExamOne World Wide of NJ, Inc. (NJ) 51% DGXWMT JV, LLC (DE) 100% Mobile Medical Examination Services, LLC (CA) 100% Quest Diagnostics Health & Wellness LLC (DE) 100% LabOne of Ohio, Inc. (DE) 44% Mid America Clinical Laboratories (IN) (51% %) Diagnostic Laboratory of Oklahoma LLC (OK) 49% Sonora Quest Laboratories LLC (AZ) 70% Quest Diagnostics Domestic Holder LLC (DE) 40% Q Squared Solutions Holdings, LLC (DE) 100% Quest Diagnostics Incorporated (MD) 100% Diagnostic Reference Services Inc. (MD) 100% Pathology Building Partnership (MD) (gen. ptnrshp.) 100% Quest Diagnostics Incorporated (MI) 100% Quest Diagnostics India Private Limited International LLC (IndiaDE) 100% QDI Acquisition AB (Sweden) 100% Quest Diagnostics Infectious Disease, Inc. (DE) (30%) Quest Diagnostics Domestic Holder LLC Investments Incorporated (DE) 100% Quest Diagnostics International LLC (DE) 100% Quest Diagnostics Investments LLC Finance Incorporated (DE) 100% Quest Diagnostics LLC (IL) 100% Quest Diagnostics LLC (MA) 56.11% Quest Diagnostics Massachusetts LLC (MA) (43.89% Nomad Massachusetts, Inc. (MA)) 100% Quest Diagnostics LLC (CT) 100% Quest Diagnostics N▇▇▇▇▇▇ Institute (CA) 100% Quest Diagnostics of Pennsylvania Inc. (DE) 51% Quest Diagnostics Venture LLC (PA) 53.5% Associated Clinical Laboratories of Pennsylvania, L.L.C. (PA) 1% Associated Clinical Laboratories, L.P. (PA) 52.97% Associated Clinical Laboratories, L.P. (PA) 100% Quest Diagnostics of Puerto Rico, Inc. (PR) 100% Quest Diagnostics Receivables Inc. (DE) 100 % Quest Diagnostics Ventures LLC (DE) 100% Focus Diagnostics - Singapore PTE. LTD (Singapore) 100% Quest Diagnostics (Shanghai) Co., Ltd (China) 100% ADI Holding Company, Inc. (DE) 100% Athena Diagnostics, Inc. (DE) 100% American Medical Laboratories, Incorporated (DE) 100% Quest Diagnostics N▇▇▇▇▇▇ Institute, Inc. (VA) 100% Quest Diagnostics Incorporated (NV) 100% Celera Corporation (DE) 100% Axys Pharmaceuticals, Inc. (DE) 100% Berkeley HeartLab, Inc. (CA) 100% Celera Diagnostics, LLC (DE) 100% Converge Diagnostic Services Acquisition Corp. (DE) 100% ConVerge Diagnostic Services, LLC (MA) 100% Focus Diagnostics GmbH (Germany) 100% Focus Diagnostics, Inc. (DE) 100% HemoCue, Inc. (CA) 100% LabOne, Inc. (MO) 100% ExamOne World Wide, Inc. (PA) 100% ExamOne World Wide of NJ, Inc. (NJ) 100% LabOne of Canada, Inc. (Ontario) 100% ExamOne of Canada, Inc. (Ontario) 100% LabOne of Ohio, Inc. (DE) 100% MedPlus, Inc. (OH) 100% MetWest Inc. (DE) 100% Diagnostic Path Lab, Inc. (TX) 49% Sonora Quest Laboratories LLC (AZ) 100% Unilab Corporation (DE) 100% N▇▇▇▇▇▇ Institute Diagnostics (CA) 100% Nomad Massachusetts, Inc. (MA) 100% Laboratorio de Analisis Biomedicos, S.A. (Mexico)