India, April 27 -- Thermo Fisher Scientific Inc. (TMO), on Monday, announced that it has signed a definitive agreement to sell its microbiology business to Astorg.

The transaction is approximately $1.075 billion, consisting of cash and a $50 million seller note.

The deal is expected to close in the second half of 2026.

The company said the microbiology business provides antimicrobial susceptibility testing and culture media solutions and generated $645 million in revenue in 2025.

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Thermo Fisher said the deal is expected to be dilutive to adjusted earnings per share by $0.15 in the first full year following the close.

The company said it will provide fu...