4 April 2024

Vianet Group plc

("Vianet" or the "Group")

Exercise of options

Vianet Group plc (AIM: VNET), the international provider of actionable data and business insight through our ecosystem of connected hardware devices, management software platforms, and smart insights portal, confirms that it has issued, conditional on admission, 14,750 new ordinary shares of 10 pence each in the capital of the Company ("Ordinary Shares"), pursuant to the exercise of share options.

The new Ordinary Shares will rank pari passu with the existing Ordinary Shares in issue and application has been made for the new Ordinary Shares to be admitted to trading on the AIM Market of the London Stock Exchange ("Admission"). Admission is expected to occur, and dealings in the new Ordinary Shares commence, at 8:00 a.m. on 9 April 2024.

Following Admission, the Company will have 29,418,164 Ordinary Shares in issue. This figure of 29,418,164 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change of their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

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About Vianet

Vianet Group capture and process operational data to produce critical insight, analysis and actionable information enabling customers to transform business performance.

Since its Admission to AIM in 2006, the Group has grown from its core beer monitoring business to widen its offering and develop new businesses, especially in vending telemetry and contactless payment solutions particularly for the premium coffee sector.

Servicing over three hundred customers across the world and rendering live data to our IOT platform from a footprint of over 210,000 connected devices daily, Vianet is one of the largest business to business connected solutions providers in Europe with established long-term relationships with blue chip customers and growing recurring revenues which are over 85% of our total revenues.

In our Smart Machines division, we connect a single data gathering device to a customer's asset or system. The device then sends data back via our IOT platform to cloud based servers. The flexibility and functionality of the device means the technology can be applied to any machine which has the capability to output data. In our award-winning end-to-end solution the device is also used to connect our contactless payment solution and communicate payment terms to our cloud-based payment services providers.

The Smart Zones division is where we connect multiple data gathering devices into one or more systems or assets with the data from those devices being communicated back to our IOT platform via a single 4G LTE communications hub. The technology was originally developed for beverage and asset management in drinks retailing but can be used with any data gathering device with a digital output such as gaming machines, utilities management. and POS.

For further information, please visit www.vianetplc.com