MKS Instruments sees ransomware incident having material impact on Q1 results

The Company anticipates the previously announced ransomware incident identified on February 3, 2023 to have a material impact on the Company’s first quarter results. The full scope of the costs and related impacts of the incident has not yet been determined. As a result, the Company will not provide its usual first quarter guidance at this time. Prior to the ransomware event, the Company expected revenue in the first quarter of approximately $1 billion. The Company currently estimates the impact from the incident on first quarter revenue to be at least $200 million. The Company expects to resume its normal guidance practice for the second quarter.