Appointment of Joint Broker

17 February 2012

TYRATECH, INC.

Appointment of joint broker

The board of TyraTech, Inc. (the "Company") (AIM: TYR), a natural life sciences company, is pleased to announce the appointment of First Columbus LLP as joint corporate broker to the Company with immediate effect.

For further information please contact:

TyraTech, Inc.

Alan Reade, Executive Chairman Tel: +1 919 415 4310

Peter Jerome, Chief Financial Officer Tel: +1 919 415 4280

N+1 Brewin, Nominated Adviser and Joint Broker

Aubrey Powell / Robert Beenstock Tel: +44 20 3201 3170

First Columbus LLP, Joint Broker

Chris Crawford Tel: +44 20 3002 2070