30 September 2021

Mobile Streams plc

("MOS" or "the Company")

Streams Mexico service exceeds September subscriber target by 251%. Over 7,200 subscribers now signed up.

Mobile Streams plc, the AIM quoted mobile content and data intelligence company, is pleased to announce that its LiveScores service in Mexico has again exceeded its internal target with September's subscriber numbers coming in 251% above target with over 7,200 subscribers now signed up.

The Company is also delighted to announce that, as stated in our RNS dated 13 September 2021, its LiveScores service will be going live in Argentina from tomorrow, 1 October. The service will be marketed under the name NacionPelota and will be live on the website http://nacionpelota.com from tomorrow. It will also shortly be available for in-country users via an app on the Google Play store and the Apple Store. This launch into a new market marks a further step forward in the Company's revenue generation strategy and we will be updating the market on Argentina take up when appropriate.

Following on from our Mexican and Argentinian launches the Company can confirm it is in advanced discussions regarding launching this service in additional markets over the coming months. A further announcement on this will be made as soon as appropriate. In addition and again as announced on 15 September, the Company can also confirm that Quanta Media Group ("QMG") will be launching the marketing of its own services to the Dutch market from tomorrow.

Andrew Deeks, CEO of QMG, said:

"We are very pleased the take up of the service in Mexico continues to be significantly above target. We've been working extremely hard to ensure the Argentina launch happens on time and successfully tomorrow, and look forward to growing the service in this new market. Along with that we are going live with our own services in the Dutch market on 1 October."

Nigel Burton, Non-Executive Director, said:

"After really positive results in August I'm delighted we've been able to continue to perform above our targets.  We've been extremely pleased with the results to date. The LiveScores service will now be live in two territories from tomorrow we are very much looking forward to its continued growth."

This announcement contains inside information for the purposes of Article 7 of the Market Abuse Regulation (EU) No. 596/2014, as it forms part of UK Domestic Law by virtue of the European Union (Withdrawal) Act 2018. Upon the publication of this announcement, this inside information is now considered to be in the public domain.

About Streams Data

The Streams Data business provides data insight, intelligence and visualisation services and marketing optimisation tools. The enterprise level bespoke service achieved first revenues in June 2020, and the Streams SaaS ("Software as a Service") self-service platform generated initial customer revenues in October 2020. Enterprise clients include The Economist and Quanta Media Group.

For further information, please contact:

Mobile Streams plc

Nigel Burton, Non-Executive Director

+44 77 8523 4447

www.mobilestreams.com

Beaumont Cornish (Nominated Adviser)

James Biddle and Roland Cornish

+44 (0) 20 7628 3396

Peterhouse Capital Limited (Broker)

Lucy Williams, Duncan Vasey and Eran Zucker

+44 (0) 20 7469 0930