---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-118156"
form_type: "8-K"
ticker: "TSLX"
cik: "0001508655"
company_name: "Sixth Street Specialty Lending, Inc."
filed_at: "2024-04-26T23:59:59+00:00"
generated_at: "2026-06-03T06:23:44.916579+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Sixth Street Specialty Lending increases credit facility to $1.70B, extends maturity to 2029

## Summary
- Aggregate commitments increased from $1.685B to $1.70B under the revolving credit facility.
- Revolving period on $1.505B of commitments extended to April 24, 2028; stated maturity to April 24, 2029.
- Fifteenth amendment to the existing second amended and restated senior secured credit facility, originally dated February 27, 2014.
- Full terms of the amendment will be filed as an exhibit to the next quarterly report on Form 10-Q.

## SEC filing metadata
- accession: 0001193125-24-118156
- form_type: 8-K
- ticker: TSLX
- cik: 0001508655
- company_name: Sixth Street Specialty Lending, Inc.
- filed_at: 2024-04-26T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1508655/000119312524118156/0001193125-24-118156-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1508655/000119312524118156/d824800d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-118156
- JSON: https://secwatch.observer/filing/0001193125-24-118156.json
- Plain text: https://secwatch.observer/filing/0001193125-24-118156.txt

## Key facts
- Material Agreements
  Sixth Street Specialty Lending, Inc. amended fifteenth amendment to the Company’s second amended and restated senior secured revolving credit facility valued at from $1.685 billion as of March 31, 2024 to $1.70 billion (effective 2024-04-24).
  - Action: amendment
  - Agreement: credit facility
  - Value: from $1.685 billion as of March 31, 2024 to $1.70 billion
  - Effective: 2024-04-24
  source text: On April 24, 2024, Sixth Street Specialty Lending, Inc. (the “Company”) entered into a fifteenth amendment to the Company’s second amended and restated senior secured revolving credit facility, dated February 27, 2014 (as amended, the “Revolving Credit Facility”), which, among other changes, (a) increases the aggregate commitments under the Revolving Credit Facility from $ 1.685 billion as of March 31, 2024 to $1.70 billion and (b) extends the termination of the revolving period on $ 1.505 billion of commitments to April 24, 2028 and the stated maturity date to April 24, 2029.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1508655/000119312524118156/0001193125-24-118156-index.htm

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