Standard BioTools and Treeline Biosciences Announce Merger Agreement

About this update from Standard Biotools Inc.

Combined company to operate as Treeline Biosciences, advancing a deep pipeline of small molecule inhibitors, protein degraders and targeted therapy antibody-drug conjugates Company to be led by Treeline CEO and co-founder Josh Bilenker, MD, and experienced team of proven drug developers Treeline’s pipeline includes three Phase 1 programs with multiple anticipated clinical data readouts beginning in 2027 Well capitalized with over $900 million in cash expected at closing, providing runway into 2029 Supplemental investor materials, including management remarks, posted on Standard BioTools website BOSTON, Mass. and WATERTOWN, Mass., June 08, 2026 (GLOBE NEWSWIRE) -- Standard BioTools Inc. (NASDAQ: LAB) (“Standard BioTools”) and Treeline Biosciences, Inc. (“Treeline”) today announced they have entered into a definitive merger agreement to combine in an all-stock transaction. Upon completion of the transaction, which is expected to occur in the second half of 2026, the combined company is expected to operate under the name Treeline Biosciences and trade on the Nasdaq under the ticker symbol “TRLN.” Since its founding in 2021, Treeline has established a productive in-house discovery and development organization that has brought three programs into Phase 1 development with a fourth planned clinical entry in 2026. These clinical-stage programs address molecular targets in oncology and have expected interim data readouts starting in 2027. Three additional programs are expected to enter the clinic in 2027 and 2028 in oncology, neurology and immunology. The proposed transaction would add approximately $450 million in net cash from Standard BioTools to the combined company's balance sheet. At closing, the combined company is expected to have more than $900 million in pro-forma cash, which is expected to fund operations into 2029. Treeline previously raised approximately $1.2 billion from a syndicate of leading life sciences investors. "2027 and 2028 should be transformative years for Treeline, with interim data expected from our clinical programs and several new programs beginning clinical testing,” said Josh Bilenker, MD, co-founder and Chief Executive Officer of Treeline. “After just five years of company operations, today’s announcement reflects the productivity and talents of our team. Operating as a public company with a strengthened balance sheet will help us b...

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