---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-055826"
form_type: "8-K"
ticker: "MIR"
cik: "0001809987"
company_name: "Mirion Technologies, Inc."
filed_at: "2025-12-08T23:59:59+00:00"
generated_at: "2026-05-16T14:02:32.721986+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Mirion refinances existing term loans with new $450M tranche maturing 2032

## Summary
- Amendment No. 6 creates $450M Replacement Term Loans maturing June 5, 2032, to repay all prior term loans.
- Interest margin: Term SOFR + 2.00% or ABR + 1.00%, with 25 bps reduction upon achieving Ba3/BB- ratings.
- Borrowers include Mirion IntermediateCo and Mirion Technologies entities; Citibank remains administrative agent.
- Prepayment premium of 1% applies if repriced within six months of closing.

## SEC filing metadata
- accession: 0001628280-25-055826
- form_type: 8-K
- ticker: MIR
- cik: 0001809987
- company_name: Mirion Technologies, Inc.
- filed_at: 2025-12-08T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1809987/000162828025055826/0001628280-25-055826-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1809987/000162828025055826/mir-20251208.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-055826
- JSON: https://secwatch.observer/filing/0001628280-25-055826.json
- Plain text: https://secwatch.observer/filing/0001628280-25-055826.txt

## Key facts
- Debt Financings
  Mirion Technologies, Inc. incurred term loan of $450,000,000 with Citibank, N.A at 2.00% for the Replacement Term Loans that are Term SOFR Loans and (ii) 1.00% for maturing June 5, 2032.
  - Instrument: term loan
  - Principal: $450,000,000
  - Counterparty: Citibank, N.A
  - Rate: 2.00% for the Replacement Term Loans that are Term SOFR Loans and (ii) 1.00% for
  - Maturity: June 5, 2032
  - Event: incurrence
  source text: Amendment No. 6 provides for, among other things, a new $450,000,000 tranche of term loans maturing in 2032 (the “Replacement Term Loans”), the proceeds of which (along with other cash sources) were used to refinance all Term Loans outstanding under the Credit Agreement immediately prior to giving effect to the Amendment.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1809987/000162828025055826/0001628280-25-055826-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.