---
schema_version: "secwatch.filing_event.v1"
accession: "0000072162-24-000025"
form_type: "8-K"
ticker: "NL"
cik: "0000072162"
company_name: "NL INDUSTRIES INC"
filed_at: "2024-07-30T23:59:59+00:00"
generated_at: "2026-05-31T15:30:57.581879+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "low"
source: SEC EDGAR
---

# NL Industries reports debt obligation from Kronos International's supplemental indenture

## Summary
- Kronos International, Inc. entered Supplemental Indenture No. 1 with Deutsche Bank as trustee and collateral agent on July 30, 2024.
- Additional Notes Priority Joinder Agreement executed same day by Deutsche Bank as trustee and collateral agent.
- NL Industries incorporates by reference Kronos Worldwide's 8-K detailing these debt agreements.
- No specific principal amount, interest rate, or maturity disclosed in this filing.

## SEC filing metadata
- accession: 0000072162-24-000025
- form_type: 8-K
- ticker: NL
- cik: 0000072162
- company_name: NL INDUSTRIES INC
- filed_at: 2024-07-30T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: low
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/72162/000007216224000025/0000072162-24-000025-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/72162/000007216224000025/nl-20240730x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000072162-24-000025
- JSON: https://secwatch.observer/filing/0000072162-24-000025.json
- Plain text: https://secwatch.observer/filing/0000072162-24-000025.txt

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