Shareholder Information

Shares Issued

The number of shares in issue is 25,424,525.

Significant Shareholders

Shareholder	No. of ordinary shares	% of issued share capital
Amati Global Investors Limited	2,341,463	9.21
Crescent Capital II LP	2,223,415	8.75
Viridian Growth Fund LP	1,831,500	7.20
Octopus Investments Limited	1,525,258	6.00
Hargreave Hale Limited	1,402,439	5.52
Jim Johnston	1,317,325	5.18
Livingbridge VC LLP	1,219,512	4.80
Unicorn AIM VCT plc	1,219,512	4.80
Invest Northern Ireland	974,450	3.83

Director Shareholdings

Director	No. of ordinary shares	% of issued share capital
Dr Paul Gerard Kerr ¹	540,710	2.13
Dr Richard John Buick	495,125	1.95
Dr Simon Gordon Douglas	255,800	1.01
Dr Alan Mawson ²	128,988	0.51
Sonya Maria Ferguson	60,900	0.24
Timothy William Watts	27,575	0.11
Colin James Walsh ³	-	-
James Alexander Fair	-	-

(1) 21,250 of these Ordinary Shares are registered in the name of Paul Kerr's wife, Brigid Kerr.
(2) Alan Mawson is a non-executive director of Clarendon Fund Managers Limited ("Clarendon") and sits on Clarendon's investment committee. Clarendon is the fund manager for Nitech Growth Fund LP which holds 358,850 Ordinary Shares and Viridian Growth Fund LP which holds 1,831,500 Ordinary Shares.
(3) Colin Walsh is the Chief Executive and founder of Crescent Capital NI Limited, which is the fund manager for Crescent Capital II LP and Crescent Capital III LP which hold 2,652,325 Ordinary Shares and 731,707 Ordinary Shares respectively.