Kirkland & Ellis advised Paragon Energy Solutions, one of the leading providers of highly engineered solutions for the nuclear power industry, on a definitive agreement to be purchased by Mirion (NYSE: MIR), a global provider of radiation detection, measurement, analysis, and monitoring solutions to the nuclear, medical, defense, and research end markets. Mirion is buying Paragon from Windjammer Capital Investors for approximately $585 million in cash. The transaction was announced September 24, 2025 and is expected to close before year end 2025, subject to customary closing conditions.
Read the transaction press release
The Kirkland team included corporate lawyers Annie Cataldo, Amanda Border, Christian Atwood, Austin McCarthy, Ross Taylor and Sydney Smith; and tax lawyers Vincent Thorn and Christian Ekins.