---
schema_version: "secwatch.filing_event.v1"
accession: "0001121484-25-000035"
form_type: "8-K"
ticker: "OIS"
cik: "0001121484"
company_name: "OIL STATES INTERNATIONAL, INC"
filed_at: "2025-03-04T23:59:59+00:00"
generated_at: "2026-05-25T12:44:33.680025+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Oil States International dismisses EY, appoints Deloitte as auditor effective FY2025

## Summary
- Audit Committee dismissed EY on Feb 27, 2025; no disagreements or reportable events in prior periods.
- EY's audit reports for FY2024 and FY2023 were unqualified, no adverse opinions.
- Deloitte engaged for FY2025; no prior consultations regarding accounting matters.

## SEC filing metadata
- accession: 0001121484-25-000035
- form_type: 8-K
- ticker: OIS
- cik: 0001121484
- company_name: OIL STATES INTERNATIONAL, INC
- filed_at: 2025-03-04T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1121484/000112148425000035/0001121484-25-000035-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1121484/000112148425000035/ois-20250227.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001121484-25-000035
- JSON: https://secwatch.observer/filing/0001121484-25-000035.json
- Plain text: https://secwatch.observer/filing/0001121484-25-000035.txt

## Key facts
- Auditor Changes
  OIL STATES INTERNATIONAL, INC dismissed Ernst & Young LLP as its auditor.
  - Action: dismissal
  - Auditor: Ernst & Young LLP
  source text: On February 27, 2025, the Audit Committee of the Board of Directors (the “Audit Committee”) of Oil States International, Inc. (the “Company”) dismissed Ernst & Young LLP (“EY”) as the Company’s independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1121484/000112148425000035/0001121484-25-000035-index.htm
- Auditor Changes
  OIL STATES INTERNATIONAL, INC engaged Deloitte & Touche LLP as its auditor.
  - Action: engagement
  - Auditor: Deloitte & Touche LLP
  source text: On February 27, 2025, the Audit Committee approved the engagement of Deloitte & Touche LLP (“Deloitte”) as its new independent registered public accounting firm.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1121484/000112148425000035/0001121484-25-000035-index.htm

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