SECAUCUS, N.J., Sept. 15, 2025 /PRNewswire/ -- Quest Diagnostics Incorporated (NYSE: DGX), a leader in diagnostic information services, today announced that Sam Samad, Executive Vice President and Chief Financial Officer, will speak on the company's strategy, performance and the latest market developments and trends during the Jefferies Healthcare Services Conference in Nashville on Monday, September 29, 2025, at 4:35 p.m. Eastern Time.

The fireside chat and Q&A session will be webcast live during the conference on the company's investor relations page, which can be accessed at ir.QuestDiagnostics.com. In addition, the archived webcast will be available within 24 hours after the conclusion of the live event and will remain available until October 24, 2025.

About Quest Diagnostics

Quest Diagnostics works across the healthcare ecosystem to create a healthier world, one life at a time. We provide diagnostic insights from the results of our laboratory testing to empower people, physicians and organizations to take action to improve health outcomes. Derived from one of the world's largest databases of de-identifiable clinical lab results, Quest's diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve healthcare management. Quest Diagnostics annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our more than 55,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives and create a healthier world. www.QuestDiagnostics.com.