---
schema_version: "secwatch.filing_event.v1"
accession: "0000950170-24-055783"
form_type: "8-K"
ticker: "MKSI"
cik: "0001049502"
company_name: "MKS INC"
filed_at: "2024-05-08T23:59:59+00:00"
generated_at: "2026-06-02T08:33:40.403048+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# MKS Instruments Q1 revenue $868M, non-GAAP EPS $1.18 beat guidance

## Summary
- Q1 2024 revenue $868M (above midpoint); GAAP net income $15M, EPS $0.22.
- Non-GAAP diluted EPS $1.18 exceeded high-end of guidance; Adjusted EBITDA $217M.
- Q2 2024 guidance: revenue ~$860M, Adj. EBITDA ~$197M, non-GAAP EPS ~$0.93.
- Made $50M voluntary debt prepayment in April; continuing deleveraging focus.
- CEO cites strong gross margins and positioning for market recovery later in 2024.

## SEC filing metadata
- accession: 0000950170-24-055783
- form_type: 8-K
- ticker: MKSI
- cik: 0001049502
- company_name: MKS INC
- filed_at: 2024-05-08T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1049502/000095017024055783/0000950170-24-055783-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049502/000095017024055783/mksi-20240508.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000950170-24-055783
- JSON: https://secwatch.observer/filing/0000950170-24-055783.json
- Plain text: https://secwatch.observer/filing/0000950170-24-055783.txt

## Key facts
- Earnings Releases
  MKS INC reported the second quarter of 2024 results: revenue $860 million, plus or minus $40 million, EPS $0.93, plus or minus $0.26. Guidance initiated.
  - Period: the second quarter of 2024
  - Revenue: $860 million, plus or minus $40 million
  - EPS: $0.93, plus or minus $0.26
  - Guidance: initiated
  - Result: guidance update
  source text: Second Quarter 2024 Outlook For the second quarter of 2024, the Company expects revenue of $860 million, plus or minus $40 million, Adjusted EBITDA of $197 million, plus or minus $23 million, and Non-GAAP net earnings per diluted share of $0.93, plus or minus $0.26.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1049502/000095017024055783/0000950170-24-055783-index.htm
- Earnings Releases
  MKS INC reported the quarter ended March 31, 2024 results: revenue $868 million, net income $15 million, EPS $0.22.
  - Period: the quarter ended March 31, 2024
  - Revenue: $868 million
  - Net income: $15 million
  - EPS: $0.22
  - Result: reported results
  source text: MKS Instruments Reports First Quarter 2024 Financial Results • Quarterly revenue of $868 million, above the midpoint of guidance • Quarterly GAAP net income of $15 million and net income per share of $0.22 • Quarterly Adjusted EBITDA of $217 million and Non-GAAP net earnings per diluted share of $1.18, exceeding the high-end of guidance
  evidence_url: https://www.sec.gov/Archives/edgar/data/1049502/000095017024055783/0000950170-24-055783-index.htm

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