Adacel Technologies Limited

ABN 15 079 672 281 Unit 29,

3 Westside Avenue

Port Melbourne, Victoria 3207 Australia

T. +61 3 8530 7777

W. adacel.com

Adacel Technologies Limited

(ASX: ADA)

ASX Announcement & Media Release

23 September 2021

Adacel announces extension of ATOP Contract

Montreal, Quebec, Canada, 22 September 2021- Adacel, an industry leader in advanced air traffic management solutions and simulation and training systems, is pleased to announce the extension of its subcontract with Leidos for the FAA's Advanced Technologies & Oceanic Procedures (ATOP) Program. This follows on the heels of the FAA extending its contract with Leidos to support the ATOP Program for another 12 years.

For over 20 years, through its continued collaboration with Leidos, Adacel has been supporting the oceanic automation software of the ATOP system which has provided increased' operational efficiency within the U.S.-controlled oceanic airspaces of the Atlantic and Pacific as well as the systems' continued modernization. The ATOP contract was initially awarded in 2001 and the system went operational in 2005. The subcontract, comprising one base year and eleven option years, was extended on substantially the same terms and has, on average accounted for approximately

45%-65% of the Company's services revenues over the previous contract term.

"We are very proud of our 20+ years partnership with Leidos and our sustained support of the FAA's ATOP program," shares Daniel Verret, CEO, Adacel. "The program benefits are immense to the flying public and our customer. We look forward to supporting the program for years to come with the same passion and dedication we put forward since the program's inception," continues Mr. Verret.

Some of the ATOP system features include: Fully integrated flight and radar data processing, conflict detection between aircraft, satellite data link communication and surveillance capabilities, electronic flight strips and more, all resulting in more optimal flight profiles, reduced fuel burn and carbon emissions, more airspace capacity and greater efficiency as well as reduced controller workload.

-ENDS

Adacel Technologies Limited

ABN 15 079 672 281 Unit 29,

3 Westside Avenue

Port Melbourne, Victoria 3207 Australia

T. +61 3 8530 7777

W. adacel.com

This announcement was authorized for release by the Board of Directors.

About Adacel:

Established in 1987, Adacel is a publicly traded company listed on the ASX. The company plays a significant role in global air space safety. A world-leader in its industry, Adacel applies cutting-edge technologies to develop advanced air traffic control simulation and training systems and state-of-the-art air traffic management solutions. Adacel's customers include international air navigation service providers (ANSPs), military, defense & security organizations, universities, and airport authorities. More than 21% of the world's airspace is managed with Adacel's Aurora ATM software. On the ATC side, with its MaxSim ATC simulation and training system, the company has deployed more air traffic control tower simulators in more locations around the world than any other ATC simulator provider. For more information, please visit adacel.com.

For further information, contact:

Daniel Verret

Rebecca Weir

Chief Executive Officer

Company Secretary

+1 (514) 558 9801

+61 431 240 642

dverret@adacel.com

rebecca.weir@boardroomlimited.com.au

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Adacel Technologies Limited published this content on 22 September 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 23 September 2021 14:01:09 UTC.