Exercise of Loan Notes

Castleton Technology PLC

("Castleton", the "Company" or the "Group")

Exercise of Loan Notes/ Issue of Equity

Castleton Technology plc (AIM: CTP), the software and managed services provider to the public and not-for-profit sectors, announces that MXC Guernsey Limited, a wholly owned subsidiary of MXC Capital Limited ("MXC") has served a conversion notice with respect to the remaining convertible loan notes ("CLNs") it holds, together with the accrued interest, amounting to £632,495 in total.

The CLNs are convertible at 85.6 pence per ordinary share of 2 pence each in the capital of Castleton ("Ordinary Shares") therefore 738,896 new Ordinary Shares have been allotted to MXC and will be issued conditional upon the admission of the new Ordinary Shares to trading on AIM ("Admission"). Admission is expected to occur at 8.00 a.m. on 17 August 2018.

The total number of Ordinary Shares in issue following Admission will be 81,061,409. Accordingly, the figure of 81,061,409 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interests in, or a change to their interest in the Company under the FCA's Disclosure Guidance and Transparency Rules.

About Castleton Technology plc

Castleton Technology plc is a leading supplier of complementary software and managed services to the public and not-for-profit sectors. The Group is a 'one stop shop', providing integrated housing systems via the Cloud, working in partnership with its customers and resellers to help drive efficiencies whilst improving controls and customer service. www.castletonplc.com

The information communicated in this announcement contains inside information for the purposes of Article 7 of the Market Abuse Regulation (EU) No. 596/2014.