---
schema_version: "secwatch.filing_event.v1"
accession: "0000049938-25-000012"
form_type: "8-K"
ticker: "IMO"
cik: "0000049938"
company_name: "IMPERIAL OIL LTD"
filed_at: "2025-02-13T23:59:59+00:00"
generated_at: "2026-05-26T22:28:22.606630+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Imperial Oil CEO Brad Corson to retire; John Whelan named successor

## Summary
- Brad Corson retiring after 42 years; steps down as president Apr 1, CEO/chairman at May 8 meeting.
- John Whelan appointed president effective Apr 1; to become chairman/CEO on May 8, 2025.
- Whelan currently ExxonMobil Upstream SVP; previously Imperial's SVP Upstream (2017-2020).
- Corson led Imperial through pandemic, record financial years, Kearl and Cold Lake growth, renewable diesel.
- Whelan's annual salary set at CAD $671,460; other compensation not yet determined.

## SEC filing metadata
- accession: 0000049938-25-000012
- form_type: 8-K
- ticker: IMO
- cik: 0000049938
- company_name: IMPERIAL OIL LTD
- filed_at: 2025-02-13T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/49938/000004993825000012/0000049938-25-000012-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/49938/000004993825000012/imo-20250213.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000049938-25-000012
- JSON: https://secwatch.observer/filing/0000049938-25-000012.json
- Plain text: https://secwatch.observer/filing/0000049938-25-000012.txt

## Key facts
- Executive change
  B.W. (Brad) Corson resigned as Chairman and Chief Executive Officer at IMPERIAL OIL LTD.
  - Action: resigned
  - Role: Chairman and Chief Executive Officer
  source text: he has resigned from the chairman and chief executive officer positions effective at the conclusion of the 2025 Annual Meeting
  evidence_url: https://www.sec.gov/Archives/edgar/data/49938/000004993825000012/0000049938-25-000012-index.htm
- Executive change
  J.R. (John) Whelan was appointed as President at IMPERIAL OIL LTD.
  - Action: appointed
  - Role: President
  source text: the board appointed Mr. Whelan (i) as president of the company effective April 1, 2025
  evidence_url: https://www.sec.gov/Archives/edgar/data/49938/000004993825000012/0000049938-25-000012-index.htm
- Executive change
  J.R. (John) Whelan was appointed as Chief Executive Officer at IMPERIAL OIL LTD.
  - Action: appointed
  - Role: Chief Executive Officer
  source text: as chief executive officer of the company effective at the conclusion of the 2025 Annual Meeting
  evidence_url: https://www.sec.gov/Archives/edgar/data/49938/000004993825000012/0000049938-25-000012-index.htm
- Executive change
  J.R. (John) Whelan was appointed as Chairman of the Board at IMPERIAL OIL LTD.
  - Action: appointed
  - Role: Chairman of the Board
  source text: provided that he is elected as a director at the 2025 Annual Meeting, as chairman of the board effective at the conclusion of such meeting
  evidence_url: https://www.sec.gov/Archives/edgar/data/49938/000004993825000012/0000049938-25-000012-index.htm

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