---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-120120"
form_type: "8-K"
ticker: "MTDR"
cik: "0001520006"
company_name: "Matador Resources Co"
filed_at: "2025-12-11T23:59:59+00:00"
generated_at: "2026-05-16T13:29:42.597671+00:00"
event_type: "debt"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Matador RBL borrowing base reaffirmed at $3.25B; San Mateo facility increased to $1.10B

## Summary
- Nineteen lenders unanimously reaffirmed borrowing base at $3.25B; elected commitments unchanged at $2.25B; 0.10% credit spread removed.
- San Mateo midstream revolving credit facility increased by $250M to $1.10B; 16 lenders unanimously agreed, one new lender added.
- Matador paid down $311M in RBL borrowings in first nine months of 2025; debt-to-EBITDA below 1.0x; available liquidity ~$2B.

## SEC filing metadata
- accession: 0001104659-25-120120
- form_type: 8-K
- ticker: MTDR
- cik: 0001520006
- company_name: Matador Resources Co
- filed_at: 2025-12-11T23:59:59+00:00
- event_type: debt
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 1.01, 2.03, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1520006/000110465925120120/0001104659-25-120120-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1520006/000110465925120120/tm2533173d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-120120
- JSON: https://secwatch.observer/filing/0001104659-25-120120.json
- Plain text: https://secwatch.observer/filing/0001104659-25-120120.txt

## Key facts
- Material Agreements
  Matador Resources Co amended Seventh Amendment to Fourth Amended and Restated Credit Agreement (effective 2025-12-09).
  - Action: amendment
  - Agreement: credit facility
  - Effective: 2025-12-09
  source text: On December 9, 2025, MRC Energy Company (“MRC Energy”), a wholly-owned subsidiary of Matador Resources Company (“Matador”), entered into a Seventh Amendment to Fourth Amended and Restated Credit Agreement (the “Amendment”), which amended Matador’s existing secured revolving credit facility (the “Credit Agreement”) to, among other things: (i) remove the 0.10% per annum credit spread adjustment that was previously included in the calculation of the Adjusted Daily Simple SOFR and Adjusted Term SOFR Rate (each as defined in the Credit Agreement) applicable to all interest periods under the Credit Agreement, (ii) reaffirm the borrowing base at $3.25 billion and (iii) maintain the elected borrowing commitments at $2.25 billion.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1520006/000110465925120120/0001104659-25-120120-index.htm

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