YGEN.L Regulatory News (YGEN)

ViaLogy plc

("the Company")

Exercise of Options & TVR

The Company has allotted and issued 341,090 ordinary shares of 1 penny each in the capital of the Company following the exercise of options held by a former employee of ViaLogy LLC, the Company's wholly owned subsidiary.

The Company has made application for the 341,090 new ordinary shares of 1 penny each to be admitted to trading on AIM. Admission is expected to occur on 4 February 2010.

For the purposes of the Disclosure and Transparency Rules, the Company's total issued share capital at the date of this notice consists of 631,180,533 ordinary shares of 1 penny each.

The above figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company, under the Disclosure and Transparency Rules.

For Further Information please contact:

ViaLogy Terry Bond, Chairman - UK & Europe +44 (0) 1235 834734

Nominated Advisor (Seymour Pierce) Mark Percy +44 (0) 207 107 8000