144 0001301427 XXXXXXXX LIVE 0001809987 Mirion Technologies, Inc. 001-39352 1218 MENLO DRIVE ATLANTA GA 30318 (770) 432-2744 Kingsley Lawrence D Member of immediate family of any of the foregoing Class A UBS Financial Services Inc .

1000 Harbor Blvd 3rd Fl Weehawken NJ 07086

150000 2650000.00 225554626 05/21/2025 NYSE Class A 10/21/2021 Private Transaction Issuer N 150000 10/21/2021 Wire N Diane Kingsley Revocable Trust

156 Winhall Hallow Road Bondville VT 05340

Class A 05/21/2025 350000 6245853.00 The seller is The Lawrence D.Kingsley 2015 Family Irrevocable Trust DTD 11/6/15. Diane Kingsley is the Trustee of the Trust and Diane Kingsley is the spouse of Lawrence Kingsley who is a memeber of the BOD of MIR. 05/21/2025 /s/Mijo Suric, as a duly authorized representative of UBS Financial Services Inc, as attorney-in-fact for Lawrence D. Kingsley 2015 Family Trust