30 January 2023

Rosslyn Data Technologies plc

("Rosslyn" or the "Company")

Rosslyn wins new multi-year contract

Long-term contract secured with blue-chip mission critical solutions provider

Rosslyn (AIM: RDT), the provider of a leading cloud-based enterprise data analytics platform, is pleased to announce that it has been awarded a three-year contract worth £285K in aggregate by a provider of sub-systems and systems for mission critical situations, which is a new blue-chip customer of the Company.

The customer, which employs c. 4,500 people globally, specialises in providing application-engineered bespoke solutions for mission critical situations in the defence, security, critical detection and control markets. It works with the world's major prime contractors and directly with the US Department of Defense, UK Ministry of Defence and Australian Department of Defence.

The contract is to provide the Rosslyn procurement platform to assist in managing the customer's supply chain and provide data to empower decision-making. The new Rosslyn platform, which is based on the Company's significant experience over 15 years, has been built to handle complex data landscapes and cater for the most unexpected scenarios, making it well-suited for the customer's business.

Paul Watts, CEO of Rosslyn, said:

"We're pleased to have secured another blue-chip customer and under a multi-year agreement, which strengthens our revenue base. As a solutions provider for mission critical situations and supplying to the world's largest defence contractors and government defence departments, our appointment by this customer is excellent validation of the strength of our platform and the value it can provide. We are receiving increasing interest in our solution, which is reflected in our expanded pipeline, and we look forward to continuing to grow our customer base and build long-term relationships."

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About Rosslyn Data Technologies plc

Rosslyn (AIM: RDT) provides an award-winning spend analytics and predictive analytics platform. The Rosslyn Platform helps organizations with diverse supply chains mitigate risk and make informed strategic decisions. It leverages automated workflows, artificial intelligence and machine learning to extract and consolidate procurement data providing visibility of complex supplier data, enabling supplier spend savings and delivering rapid ROI. For more information visit www.rosslyn.ai