Result of Tender Offer

For immediate release: 5th January 2018

TYRATECH, INC.

("TyraTech" or the "Company")

Result of Tender Offer

TyraTech Inc. (AIM: TYR, and TYRU), the life sciences company focused on nature-derived insect and parasite control products, is pleased to announce the results of the Tender Offer, details of which were set out in the shareholder circular published by the Company on 4 December 2017.

Result of Tender Offer

Under the Tender Offer 204,994,390 Common Shares were validly tendered and will be purchased at a price per Common Share of 3 pence, for an aggregate purchase price of $8.4 million. The Common Shares purchased under the Tender Offer represent approximately 55.8 per cent. of the Company's Issued Capital.

It is anticipated that the proceeds payable under the Tender Offer to the Company's Shareholders who hold their Shares in certificated form will be despatched on 15 January 2018 in the form of a cheque. Those Shareholders who hold their Shares in uncertificated form will have their CREST accounts credited on 8 January 2018.

The Company intends to retire the Common Shares purchased by it under the Tender Offer, reducing the number of issued and outstanding Shares from 367,666,444 Shares to 162,672,054 Common Shares. It is anticipated that retirement of the shares will occur at on 8 January 2018 and after this time Shareholders may use 162,672,054 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.

Directors' Interests

-ends-

Unless otherwise defined herein, capitalised terms used in this announcement shall have the same meaning as defined in the Circular.

The information communicated within this announcement is deemed to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014. Upon the publication of this announcement, this inside information is now considered to be in the public domain.

For further information: