Frequentis AG: FREQUENTIS C4i and Lockheed Martin Australia partner to deliver secure communications for AIR6500

C4i Control Room

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Wien (pta007/21.03.2025/09:20 UTC+1)

• Australia Defence Force to utilise C4i's VOICE C2 multi-domain communications
• Under the contract, C4i is creating advanced, sovereign voice communication systems that integrate with command networks to support secure multi-domain defence operations

Frequentis C4i has been under contract since 2024 to provide cutting-edge multi-domain communication systems for the Australia Defence Force's (ADF) next-generation AIR6500 Joint Air Battle Management System. C4i's partnership with Lockheed Martin Australia represents a significant milestone in the company's ongoing collaboration, building on the success of initial capability demonstrations.

Under the contract, C4i is developing sovereign voice communication systems with a built-in intuitive Human Machine Interface that will connect into Joint Air Battlement Management C2 networks.

The AIR6500 program is a key element of the ADF's national security strategy, enhancing capabilities across air, land, sea, cyber, and space. Frequentis C4i's innovative technology will serve as the backbone of these efforts, enabling secure, real-time communications critical for joint force operations.

"By integrating our advanced hardware and software solutions, we are enhancing the ability of the military to communicate securely and effectively across all domains. This capability is vital for responding to threats quickly, especially in challenging environments," said Darren Gardner, Managing Director, Frequentis C4i. "Lockheed Martin is actively showcasing Australia's next-gen air battle management technology on the world stage, positioning C4i technology as a key element in international defence initiatives. As an SME in Australia, we are proud to be contributing to a major Australian Defence program which has meant we are adding more highly skilled engineers to the team each year."

In addition to bolstering Australia's defence capabilities, this collaboration will open up new export opportunities for C4i to participate in global defence projects. Lockheed Martin Australia is drawing on the best of Australian industry to deliver AIR6500, which has the potential to provide a pipeline into the global integrated air and missile defence market estimated to be worth AUD 83 billion.

"We are delighted to partner with C4i to integrate innovative voice communication technologies into AIR6500," said Rob Milligan, Program Director AIR6500, Lockheed Martin Australia. "C4i brings a wealth of experience to AIR6500. Their robust, secure technologies are highly established and operated by defence, governments, and industry in over 40 countries. This partner integration will enhance the ADF's ability to respond effectively in high-pressure situations."

The scalable and rapidly deployable communication systems from C4i will strengthen key military alliances, ensuring seamless collaboration during joint operations. This highly mobile solution empowers defence personnel to establish Joint Operational Centres quickly, providing a robust communication infrastructure for coordinated responses in complex scenarios.

About C4i

C4i has been a member of the Frequentis Group since 2021. Founded in 1989, C4i has led advancements in secure communications for the world's most demanding mission-critical environments. C4i's interoperable communications solutions are used by defence, governments, and industry in more than 40 countries. C4i products enable rapid response times, interoperability, and flexible asset utilisation, and provide customers with ongoing cyber security protection.

For more information, please visit www.c4i.com

About Lockheed Martin Australia

Headquartered in Canberra, Lockheed Martin Australia is a wholly-owned subsidiary of Lockheed Martin Corporation. The company employs more than 1,600 people in Australia working on a wide range of major programs spanning the aerospace, Defence and civil sectors.

Lockheed Martin Australia Media Contact: Stacey Ward, stacey.l.ward@global.lmco.com, +61 439 369 305

About FREQUENTIS

Frequentis stands for a safer world. Our solutions are used in our customers' command and control centres and help them make the world safer.

Frequentis' reliable communication and information systems are used around the world by civil and military air traffic control organisations (Air Traffic Management segment) and the police, emergency rescue services, fire brigades, railways, coastguards, and port authorities (Public Safety & Transport segment). The listed family business based in Vienna, Austria, drives innovative and sustainable solutions for safety and security in everyday life and communications in the safety-critical sector. Its air traffic optimisation solutions for air traffic control centres contribute to reducing emissions. With a market share of 30%, this high-tech company is the world market leader in voice communication systems for civil air traffic control.

As a global player with more than 2,300 employees (full-time equivalents/FTE), Frequentis has a worldwide network of companies in over 50 countries. Its products, services, and solutions are used in around 150 countries. Shares in Frequentis are traded on the Vienna and Frankfurt stock exchanges; ISIN: ATFREQUENT09, WKN: A2PHG5. Preliminary figures for 2024: revenues were EUR 480.3 million and EBIT was EUR 32.1 million.

For more information, please visit www.frequentis.com

Barbara Fuerchtegott, Head of Communications / Company Spokesperson
barbara.fuerchtegott@frequentis.com, +43 1 81150-4631

Stefan Marin, Head of Investor Relations
stefan.marin@frequentis.com, +43 1 81150-1074

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Emitter:	Frequentis AG Innovationsstraße 1 1100 Wien Austria
Contact Person:	Stefan Marin
Phone:	+431811501074
E-Mail:	stefan.marin@frequentis.com
Website:	www.frequentis.com
ISIN(s):	ATFREQUENT09 (Share)
Stock Exchange(s):	Vienna Stock Exchange (Official Trade)
Other Stock Exchanges:	Regulierter Markt in Frankfurt