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MKS Instruments Announces Change of Corporate Name to MKS Inc.

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MKS Instruments (NASDAQ: MKSI) announced its corporate name change to MKS Inc., effective May 16, 2025, following shareholder approval. The company, founded in 1961 as an industrial instruments company, has evolved through organic growth and strategic acquisitions including Newport (2016), ESI (2019), and Atotech (2022). CEO John T.C. Lee stated the new name better reflects the company's expanded scope as a provider of industrial instruments, subsystems, process control solutions, and specialty chemicals technology. The stock will continue trading under the "MKSI" symbol on Nasdaq, with no changes to the corporate structure or subsidiary names.

MKS Instruments (NASDAQ: MKSI) ha annunciato il cambio del nome societario in MKS Inc., con effetto dal 16 maggio 2025, a seguito dell'approvazione degli azionisti. Fondata nel 1961 come azienda di strumenti industriali, la società si è evoluta grazie a una crescita organica e acquisizioni strategiche, tra cui Newport (2016), ESI (2019) e Atotech (2022). Il CEO John T.C. Lee ha dichiarato che il nuovo nome riflette meglio l'ampliamento del campo d'azione dell'azienda, che ora offre strumenti industriali, sottosistemi, soluzioni di controllo dei processi e tecnologie per prodotti chimici speciali. Le azioni continueranno a essere quotate con il simbolo "MKSI" sul Nasdaq, senza modifiche alla struttura societaria o ai nomi delle controllate.

MKS Instruments (NASDAQ: MKSI) anunció el cambio de su nombre corporativo a MKS Inc., efectivo a partir del 16 de mayo de 2025, tras la aprobación de los accionistas. La empresa, fundada en 1961 como una compañía de instrumentos industriales, ha evolucionado mediante crecimiento orgánico y adquisiciones estratégicas, incluyendo Newport (2016), ESI (2019) y Atotech (2022). El CEO John T.C. Lee declaró que el nuevo nombre refleja mejor el alcance ampliado de la compañía como proveedor de instrumentos industriales, subsistemas, soluciones de control de procesos y tecnología de productos químicos especializados. Las acciones continuarán cotizando bajo el símbolo "MKSI" en Nasdaq, sin cambios en la estructura corporativa ni en los nombres de las subsidiarias.

MKS Instruments (NASDAQ: MKSI)는 주주 승인에 따라 2025년 5월 16일부터 회사명을 MKS Inc.로 변경한다고 발표했습니다. 1961년에 산업용 계측기 회사로 설립된 이 기업은 Newport(2016), ESI(2019), Atotech(2022) 등 전략적 인수와 유기적 성장을 통해 발전해 왔습니다. CEO John T.C. Lee는 새 이름이 산업용 계측기, 서브시스템, 공정 제어 솔루션 및 특수 화학 기술 공급자로서 회사의 확장된 범위를 더 잘 반영한다고 밝혔습니다. 주식은 Nasdaq에서 "MKSI" 심볼로 계속 거래되며, 회사 구조나 자회사 명칭에는 변경이 없습니다.

MKS Instruments (NASDAQ : MKSI) a annoncé le changement de son nom d'entreprise en MKS Inc., effectif à partir du 16 mai 2025, suite à l'approbation des actionnaires. Fondée en 1961 en tant que société d'instruments industriels, l'entreprise a évolué grâce à une croissance organique et des acquisitions stratégiques telles que Newport (2016), ESI (2019) et Atotech (2022). Le PDG John T.C. Lee a déclaré que ce nouveau nom reflète mieux l'élargissement du champ d'activité de l'entreprise, qui propose désormais des instruments industriels, des sous-systèmes, des solutions de contrôle des processus et des technologies de produits chimiques spécialisés. Les actions continueront d'être cotées sous le symbole "MKSI" au Nasdaq, sans changement dans la structure de l'entreprise ni dans les noms des filiales.

MKS Instruments (NASDAQ: MKSI) gab bekannt, dass der Firmenname nach Zustimmung der Aktionäre ab dem 16. Mai 2025 in MKS Inc. geändert wird. Das 1961 als Industrieinstrumente-Unternehmen gegründete Unternehmen hat sich durch organisches Wachstum und strategische Übernahmen wie Newport (2016), ESI (2019) und Atotech (2022) weiterentwickelt. CEO John T.C. Lee erklärte, dass der neue Name die erweiterte Ausrichtung des Unternehmens als Anbieter von Industrieinstrumenten, Subsystemen, Prozesssteuerungslösungen und Spezialchemietechnologien besser widerspiegelt. Die Aktie wird weiterhin unter dem Symbol "MKSI" an der Nasdaq gehandelt, ohne Änderungen an der Unternehmensstruktur oder den Namen der Tochtergesellschaften.

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ANDOVER, Mass., May 15, 2025 (GLOBE NEWSWIRE) -- MKS Instruments, Inc. (NASDAQ: MKSI) (“MKS”), a global provider of enabling technologies that transform our world, announced today that its shareholders have approved the change of the Company’s name to “MKS Inc.” and the change is effective May 16, 2025. 

John T.C. Lee, President and CEO of MKS, said: “Since its founding in 1961 as an industrial instruments company, MKS has significantly expanded and entered new markets through organic growth from investment in research and development and strategic acquisitions, such as Newport in 2016, ESI in 2019, and Atotech in 2022. The name MKS Inc. better reflects the breadth and scope of our current and future business as a provider of not only industrial instruments but also world-class subsystems, systems, process control solutions, and specialty chemicals technology that improve process performance, optimize productivity, and enable unique innovations for many of the world’s leading technology and industrial companies. This change commemorates the “new” MKS that has been years in the making.”   

The Company’s stock will continue to trade on Nasdaq under its current symbol “MKSI” and the name change will have no effect on MKS’ corporate structure or the names of any of its subsidiaries.

About MKS Instruments
MKS Instruments, Inc. enables technologies that transform our world. We deliver foundational technology solutions to leading edge semiconductor manufacturing, electronics and packaging, and specialty industrial applications. We apply our broad science and engineering capabilities to create instruments, subsystems, systems, process control solutions and specialty chemicals technology that improve process performance, optimize productivity and enable unique innovations for many of the world’s leading technology and industrial companies. Our solutions are critical to addressing the challenges of miniaturization and complexity in advanced device manufacturing by enabling increased power, speed, feature enhancement, and optimized connectivity. Our solutions are also critical to addressing ever-increasing performance requirements across a wide array of specialty industrial applications. Additional information can be found at www.mks.com.

Contacts:

Bill Casey
Vice President, Marketing
Telephone: +1 (630) 995-6384
Email: press@mksinst.com

Kelly Kerry, Partner
Kekst CNC
Email: kerry.kelly@kekstcnc.com


FAQ

When will MKS Instruments (MKSI) change its name to MKS Inc.?

MKS Instruments will change its name to MKS Inc. effective May 16, 2025, following shareholder approval.

Will the MKSI stock symbol change after MKS Instruments' name change?

No, the company will continue to trade on Nasdaq under its current symbol 'MKSI'.

What major acquisitions has MKS Instruments (MKSI) made in recent years?

MKS has made several strategic acquisitions including Newport (2016), ESI (2019), and Atotech (2022).

Does MKS Instruments' name change affect its corporate structure?

No, the name change to MKS Inc. will have no effect on the company's corporate structure or subsidiary names.
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Scientific & Technical Instruments
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