---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-040756"
form_type: "8-K"
ticker: "OLN"
cik: "0000074303"
company_name: "OLIN Corp"
filed_at: "2025-02-28T23:59:59+00:00"
generated_at: "2026-05-26T00:40:04.901378+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Olin announces $600M senior notes offering to refinance debt including $500M 2027 notes

## Summary
- Offering $600M in senior notes due 2033, unsecured, no subsidiary guarantees.
- Proceeds plus new credit facilities (up to $650M term loan, $1.2B revolver) to redeem $500M 5.125% 2027 notes and $190M 9.5% 2025 notes.
- New credit facilities also refinance existing revolver and term loan; closing not conditioned on note offering.
- Offering exempt from registration, targeted at QIBs and non-U.S. persons under Rule 144A/Regulation S.

## SEC filing metadata
- accession: 0001193125-25-040756
- form_type: 8-K
- ticker: OLN
- cik: 0000074303
- company_name: OLIN Corp
- filed_at: 2025-02-28T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/74303/000119312525040756/0001193125-25-040756-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/74303/000119312525040756/d934491d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-040756
- JSON: https://secwatch.observer/filing/0001193125-25-040756.json
- Plain text: https://secwatch.observer/filing/0001193125-25-040756.txt

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