Biodesix to Participate in Upcoming Investor Conferences

Biodesix, Inc. (Nasdaq: BDSX), a leading diagnostics solutions company, today announced that members of the Biodesix leadership team will present in three upcoming investor conferences:

Lake Street Capital Markets’ 10 th Annual Best Ideas Growth (BIG10) Conference 1x1 meetings only Date: Thursday, September 10 Location: New York, NY

H.C. Wainwright 28 th Annual Global Investment Conference 1x1 meetings only Date: Tuesday, September 15 Location: New York

5 th Annual Roth Healthcare Opportunities Conference Panel and 1x1 meetings Panel Title: The Rise of MRD Monitoring in Solid Tumors, and Where it Goes Next Biodesix Presenter: Gary Pestano, Ph.D., Chief Scientific Officer Panel Date and Time: Tuesday, September 29, 2:00 PM ET Location: New York

About Biodesix:

Biodesix is a leading diagnostic solutions company, driven to improve clinical care and outcomes for patients. Biodesix Diagnostic Tests , including Nodify Lung® Nodule Risk Assessment and IQLung® Cancer Treatment Guidance, support clinical decisions to expedite personalized care and improve outcomes for patients with lung disease. Biodesix Development Services enable the world’s leading biopharmaceutical, life sciences, and research institutions with scientific, technological, and operational capabilities that fuel the development of diagnostic tests, tools, and therapeutics. For more information, visit biodesix.com.

Biodesix Contacts: Media: Natalie St. Denis, Director Corporate Communications natalie.stdenis@biodesix.com (720) 925-9285

Investors: Chris Brinzey, Partner, ICR [email protected] (339) 970-2843