MEDIA ALERT

Radnor, PA July 1, 2026
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CALGAZ Unifies Global Brand, Celebrating 50 Years of Confidence in Calibration

CALGAZ is proud to announce the official unification of its global business activities, including the transition of the Gasco brand, under the dedicated CALGAZ name. This milestone coincides with the company’s 50th anniversary, marking five decades of industry-leading excellence in calibration gas and aligning all activities under one powerful brand operating in 120 countries.

This business transformation is designed to simplify the market presence of specialized calibration gas brands and provide a more customer-centric, international experience. By consolidating into a single identity, CALGAZ reinforces its core promise to every customer: "Confidence in Calibration". Customers can expect the same high-quality products and established service, now backed by a more integrated and efficient worldwide infrastructure.

Matthew Allen, President of CALGAZ, states, "As we celebrate 50 years of industry excellence, unifying our global operations under the CALGAZ brand is a powerful step forward. This transition is about ensuring our customers have total 'Confidence in Calibration' through a unified, safety-focused, and customer-centric brand. By drawing upon our robust global supply chain and the long-standing stability of Airgas and Air Liquide, we are positioning ourselves to deliver even greater value and innovation for the next 50 years."

Airgas, Inc.

Airgas®, an Air Liquide company, is a leading U.S. supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest U.S. suppliers of safety products; and a leading U.S. supplier of ammonia products and process chemicals.

Airgas helps its more than 1 million customers advance their business performance and reach their full potential with reliable products,services and expertise used to create, build, care, serve and sustain. With nearly 18,000 associates, over 1,400 locations, a robust eBusiness platform, and Airgas Total Access® telesales channel, Airgas is ready to help customers fill their potential, every day.

As an Air Liquide company, a world leader in gases, technology and services for Industry and Health, Airgas offers customers an unrivaled global footprint and industry-leading technology and innovations.

For more information, please visit www.airgas.com.

Airgas Communications
Marysa Mazanek
610-230-3213
mediasupport@airgas.com



Oxygen, nitrogen, hydrogen, and many other essential small molecules are the invisible pillars of our world and our lives. They have been at the core of the Group's activities since its creation in 1902.

A world leader in gases, technologies and services for industry and healthcare, Air Liquide acts as the backbone of numerous economic sectors, serving 4.3 million customers and patients across 59 countries with approximately 65,000 employees. With revenues close to 27 billion euros in 2025, Air Liquide combines strong performance and useful growth.

The Group is a leader with a diversified, resilient business model and a strong local footprint across the globe. Through deep engineering expertise and technological innovation, Air Liquide provides scalable solutions that enhance industrial efficiency, accelerate decarbonization, and strengthen value chains. Strategically exposed to growth markets and megatrends, the Group accompanies major industrial and societal transformations to create long term added value and build a sustainable future.

Air Liquide is listed on the Euronext Paris stock exchange (compartment A) and belongs to the CAC 40, CAC 40 ESG, EURO STOXX 50, FTSE4Good, and Dow Jones Best-in-Class Europe Index indexes.