Migration of Shares
21 May 2015

TyraTech, Inc. (AIM: TYR and TYRU), a life sciences company focusing on nature-derived insect and parasite control products, announces that following its announcement on 9 April 2015, 26,890,413 common shares in the Company on its restricted "TYR" trading line have migrated to its unrestricted trading line "TYRU".

Following the migration of these shares, the Company will continue to have a total of 262,333,111 common shares admitted to AIM (excluding those shares admitted and not allotted under the blocklisting announced on 25 February 2011), of which 138,666,222 will continue to trade under the symbol "TYR" in a restricted manner as permitted by Regulation S of the U.S. Securities Act of 1993 (the "Securities Act") and 123,666,889 will trade under the symbol "TYRU" in an unrestricted manner pursuant to an exemption provided under the Securities Act. CREST settlement will not be available for trades in "TYR" shares. The Company holds 1,084,413 common shares in treasury and these treasury shares are listed on the restricted "TYR" trading line.

For further information please contact:

TyraTech Inc.
Alan Reade, Non-Executive Chairman
Bruno Jactel, Chief Executive Officer
Vincent Morgus, Chief Financial Officer and Treasurer

Tel: +1 919 415 4340
Tel: +1 919 415 4287
SPARK Advisory Partners Limited, Nominated Adviser
Matt Davis / Mark Brady
Tel: +44 203 368 3551
Tel: +44 203 368 3552
Allenby Capital Limited , Joint Broker
Chris Crawford

Tel: +44 20 3328 5656
Whitman Howard Limited, Joint Broker
Ranald McGregor-Smith/ Niall Devins

Tel: +44 20 7659 1240
Walbrook, Financial PR and IR
Nick Rome/ Guy McDougall

Tel: +44 20 7933 8790
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