Quest Diagnostics Health Trends ™

1. Quest Diagnostics Health Trends™ Laboratory Insights into America’s Health

2. A series of reports from Quest Diagnostics – the world’s leading diagnostic testing company – on health conditions affecting a large number of Americans Chronic Kidney Disease Gestational Diabetes Heart Disease H1N1 Influenza Hypothyroidism in Pregnancy Prescription Drug Misuse Rotavirus STDs in Pregnancy Type 2 Diabetes Workplace Wellness Visit QuestDiagnostics.com/HealthTrends

3. Studies based on the company’s national repository of de-identified results from more than 1.5 billion patient encounters since 2000 The largest private clinical laboratory data repository in the U.S. “The Quest Diagnostics database not only is larger than any of the existing research studies but also provides more current data.” – Josef Coresh, M.D., Ph.D. Professor of Epidemiology, Biostatistics & Medicine Johns Hopkins University (referring to health trends study on diabetes) Visit QuestDiagnostics.com/HealthTrends

4. Builds on Quest Diagnostics’ medical, scientific and health informatics expertise … Approximately 800 MDs and PhDs Original research in peer-reviewed journals and at scientific conferences Visit QuestDiagnostics.com/HealthTrends

5. … and collaborations with scientists from leading institutions American Diabetes Association Johns Hopkins University National Jewish Health Mount Sinai School of Medicine New York University Alliance of Minority Medical Associations The National Kidney Foundation Harvard School of Public Health Visit QuestDiagnostics.com/HealthTrends

6. Published to inform health care professionals, patients and policymakers about the status of the nation’s health “The Quest Diagnostics Health Trends Report … represents people across the United States using a highly respected and standardized laboratory methodology.” – Andrew H. Liu, M.D. Associate Professor Allergy and Clinical Immunology National Jewish Health (describing the company’s Allergies Across America report) Visit QuestDiagnostics.com/HealthTrends

7. Unique in scale and scope – providing unprecedented perspective on health issues Allergies and asthma – 13.9 million tests Gestational hypothyroidism – 502,000 tests Chronic kidney disease – 6.2 million tests H1N1 Influenza – 195,000 tests Type 2 diabetes – 14.3 million tests Gestational diabetes – 925,000 tests Heart disease – 80 million tests STDs (Chlamydia - gonorrhea) – 1.3 million tests Workplace wellness – 261,000 tests Visit QuestDiagnostics.com/HealthTrends

8. Published in peer-reviewed journals, at scientific conferences and widely as a public service American Journal of Obstetrics and Gynecology Interscience Conference on Antimicrobial Agents and Chemotherapy / Annual Meeting of the Infectious Disease Society of America Journal of Clinical Endocrinology and Metabolism Obstetrics & Gynecology PLoS One Visit QuestDiagnostics.com/HealthTrends

9. Complements the Quest Diagnostics Drug Testing Index™, a benchmark for national trends in workforce drug positives since 1988 "The Drug Testing Index's findings further amplify the substance abuse success story of the past five years—we are effectively pushing back against illegal drug use." – John Walters Director of National Drug Control Policy, President Bush's "Drug Czar" (commenting on the Quest Diagnostics Drug Testing Index) Visit QuestDiagnostics.com/HealthTrends

10. Visit QuestDiagnostics.com/HealthTrends