---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-305959"
form_type: "8-K"
ticker: "MNTK"
cik: "0001826600"
company_name: "Montauk Renewables, Inc."
filed_at: "2023-12-29T23:59:59+00:00"
generated_at: "2026-06-07T06:01:15.478899+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Montauk Renewables extends loan maturity from 2023 to 2033 in amended agreement with affiliate

## Summary
- Extended maturity of $10.04M loan from Dec 31, 2023 to Dec 31, 2033.
- Interest remains 0.4% per annum; can be paid in cash or PIK (added to principal).
- Loan is secured by 976,623 shares of Montauk common stock held by borrower.
- Other terms substantially similar to prior agreement; no novation.

## SEC filing metadata
- accession: 0001193125-23-305959
- form_type: 8-K
- ticker: MNTK
- cik: 0001826600
- company_name: Montauk Renewables, Inc.
- filed_at: 2023-12-29T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1826600/000119312523305959/0001193125-23-305959-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1826600/000119312523305959/d595504d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-305959
- JSON: https://secwatch.observer/filing/0001193125-23-305959.json
- Plain text: https://secwatch.observer/filing/0001193125-23-305959.txt

## Key facts
- Debt Financings
  Montauk Renewables, Inc. amended loan with Montauk Holdings Proprietary Limited maturing December 31, 2033.
  - Instrument: loan
  - Counterparty: Montauk Holdings Proprietary Limited
  - Maturity: December 31, 2033
  - Event: amendment
  source text: The MNK Amendment extends the maturity date of the loan from December 31, 2023 until December 31, 2033.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1826600/000119312523305959/0001193125-23-305959-index.htm
- Material Agreements
  Montauk Renewables, Inc. amended Fourth Amended and Restated Loan Agreement and Secured Promissory Note with Montauk Holdings Proprietary Limited (effective 2023-12-27).
  - Action: amendment
  - Agreement: credit facility
  - Counterparty: Montauk Holdings Proprietary Limited
  - Effective: 2023-12-27
  source text: On December 27, 2023, Montauk Renewables, Inc. (“Montauk”) entered into the Fourth Amended and Restated Loan Agreement and Secured Promissory Note (the “MNK Amendment”), by and between Montauk and Montauk Holdings Proprietary Limited (“MNK”), previously Montauk Holdings Limited, amending and restating in its entirety the Third Loan Agreement and Secured Promissory Note, as amended (the “MNK Loan Agreement”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1826600/000119312523305959/0001193125-23-305959-index.htm

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