---
schema_version: "secwatch.filing_event.v1"
accession: "0001493152-23-008890"
form_type: "8-K"
ticker: "NGVT"
cik: "0001653477"
company_name: "Ingevity Corp"
filed_at: "2023-03-24T23:59:59+00:00"
generated_at: "2026-06-17T16:45:09.352057+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Ingevity amends key CTO supply agreements with WestRock and Georgia-Pacific; realigns segment reporting

## Summary
- Amended WestRock supply agreement removes Ingevity's right to purchase CTO/BLSS from third parties; termination notices can start in 2030.
- Georgia-Pacific supply agreement assigned to GP Pine Chemicals; Ingevity to purchase up to 125,000 tons of CTO annually through 2038.
- New Advanced Polymer Technologies segment separated from Performance Chemicals effective Q1 2023; results recast for 2020-2022.
- No impact on consolidated operating results or Performance Materials segment; recast data shows no change to previously reported net income.

## SEC filing metadata
- accession: 0001493152-23-008890
- form_type: 8-K
- ticker: NGVT
- cik: 0001653477
- company_name: Ingevity Corp
- filed_at: 2023-03-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1653477/000149315223008890/0001493152-23-008890-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1653477/000149315223008890/form8-k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001493152-23-008890
- JSON: https://secwatch.observer/filing/0001493152-23-008890.json
- Plain text: https://secwatch.observer/filing/0001493152-23-008890.txt

## Key facts
- Material Agreements
  Ingevity Corp entered into WestRock Supply Agreement with WestRock Shared Services, LLC and WestRock MWV, LLC (effective 2023-03-20).
  - Action: entry
  - Agreement: supply
  - Counterparty: WestRock Shared Services, LLC and WestRock MWV, LLC
  - Effective: 2023-03-20
  source text: On March 20, 2023, Ingevity Corporation, a Delaware corporation (“Ingevity,” the “Company,” “we,” “us,” or “our”), and WestRock Shared Services, LLC and WestRock MWV, LLC, on behalf of the affiliates of WestRock Company (“WestRock”), entered into an amended and restated crude tall oil and black liquor soap skimmings agreement (the “WestRock Supply Agreement”), which amends and restates that certain crude tall oil and black liquor soap skimmings agreement, dated as of January 1, 2016
  evidence_url: https://www.sec.gov/Archives/edgar/data/1653477/000149315223008890/0001493152-23-008890-index.htm
- Material Agreements
  Ingevity Corp amended Georgia-Pacific Supply Amendment with Georgia-Pacific LLC and GP Pine Chemicals LLC (effective 2023-03-21).
  - Action: amendment
  - Agreement: supply
  - Counterparty: Georgia-Pacific LLC and GP Pine Chemicals LLC
  - Effective: 2023-03-21
  source text: On March 21, 2023, Ingevity, Georgia-Pacific LLC, on behalf of itself and its subsidiaries (“Georgia-Pacific”), and GP Pine Chemicals LLC, a direct subsidiary of Georgia-Pacific LLC (“GP Pine Chemicals”), entered into a Second Amendment to the Crude Tall Oil Supply Agreement (the “Georgia-Pacific Supply Amendment”), to amend certain terms of the Crude Tall Oil Supply Agreement, dated as of March 9, 2018
  evidence_url: https://www.sec.gov/Archives/edgar/data/1653477/000149315223008890/0001493152-23-008890-index.htm

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