Shell Extension Agreement

23 December 2013

Arria NLG plc

 ("Arria" or the "Company")

Shell Exploration and Production Company Extension Agreement

Arria NLG plc (trading on AIM under the symbol LON:NLG), a leader in the development and deployment of Natural Language Generation ("NLG") technologies, announces an extension to its 2013 Services Agreement and Application Service Provider (ASP) Services Agreement with Shell Exploration and Production Company ("Shell"), a US subsidiary of Royal Dutch Shell plc. The extension is on a month by month basis (starting 1 January 2014) until such time as new agreements are signed between Arria and Shell.

The terms of the extension include Shell's continued usage of the Arria NLG Engine in the Gulf of Mexico and for ongoing support work. Arria and Shell are also discussing the project definition to be included in longer term agreements for Shell's usage of the Arria NLG Engine and associated services, on terms and conditions to be determined.

For further information, please visit www.arria.com or contact: