Exercise of Castleton Option

MXC Capital Limited

("MXC")

Exercise of Castleton Option

MXC Capital Limited (AIM: MXCP) announces that it has exercised its options in Castleton Technology plc ("Castleton"), which will result in a cash payment to MXC of £1.66 million on 1 April 2018. Following the exercise, MXC no longer holds any options in Castleton but continues to hold ordinary shares which represent 25.4% of the issued share capital.

MXC Capital Limited

Ian Smith

+44(0)20 7965 8149

Zeus Capital Limited (Nominated adviser and broker)

Giles Balleny

+44 (0)20 3829 500

About MXC Capital (www.mxccapital.com)

MXC is a specialist adviser and investor with a track record of investing in and advising companies in the TMT sector. We bring together a deep knowledge of technology, first-hand experience of managing companies in the sector, an ability to make meaningful investments and a highly experienced corporate advisory team in support, all of which we combine to grow shareholder value.