---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-309314"
form_type: "8-K"
ticker: "SLB"
cik: "0000087347"
company_name: "SLB LIMITED/NV"
filed_at: "2021-10-27T23:59:59+00:00"
generated_at: "2026-06-28T17:45:17.801528+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Schlumberger appoints Vanitha Narayanan and Ulrich Spiesshofer to Board of Directors

## Summary
- Vanitha Narayanan appointed to SLB board; former IBM senior exec with digital business & India leadership.
- Ulrich Spiesshofer appointed; former ABB CEO, senior advisor at Blackstone; expertise in automation & energy.
- Narayanan joins Compensation and Nominating & Governance committees; Spiesshofer joins Compensation and New Energy & Innovation committees.
- Both are independent directors; standard compensation prorated from appointment date.

## SEC filing metadata
- accession: 0001193125-21-309314
- form_type: 8-K
- ticker: SLB
- cik: 0000087347
- company_name: SLB LIMITED/NV
- filed_at: 2021-10-27T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/87347/000119312521309314/0001193125-21-309314-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/87347/000119312521309314/d195724d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-309314
- JSON: https://secwatch.observer/filing/0001193125-21-309314.json
- Plain text: https://secwatch.observer/filing/0001193125-21-309314.txt

## Key facts
- Executive change
  Ulrich Spiesshofer was appointed as Director at SLB LIMITED/NV.
  - Action: appointed
  - Role: Director
  source text: On October 21, 2021, the Board of Directors (the “Board”) of Schlumberger Limited (the “Company”) appointed Ms. Vanitha Narayanan and Dr. Ulrich Spiesshofer to serve as members of its Board of Directors effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/87347/000119312521309314/0001193125-21-309314-index.htm
- Executive change
  Vanitha Narayanan was appointed as Director at SLB LIMITED/NV.
  - Action: appointed
  - Role: Director
  source text: On October 21, 2021, the Board of Directors (the “Board”) of Schlumberger Limited (the “Company”) appointed Ms. Vanitha Narayanan and Dr. Ulrich Spiesshofer to serve as members of its Board of Directors effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/87347/000119312521309314/0001193125-21-309314-index.htm

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