For immediate release: 15 April 2016

TyraTech, Inc.

("TyraTech" or the "Company")

Award of Share Options

TyraTech, Inc. (AIM: TYR and TYRU), a life sciences technology company focused on nature-derived insect and parasite control products, announces that on 13 April 2016, a total of 2,000,000 Stock Appreciation Right options over common shares of US$0.001 in the Company ("SARs"), were awarded to the directors of the Company (the "Award").

Bruno Jactel, Chief Executive Officer and Jose Barella, Non-Executive Chairman, were awarded 1,500,000 and 500,000, SARs, respectively.

Following the Award:

Bruno Jactel is interested in 2,438,157 Common Shares representing an interest of 0.67 per cent. of the total voting rights of the Company. In addition, Bruno Jactel is interested in 4,500,000 SARs in the Company as follows:

The 500,000 SARs granted on 13 April at an exercise price of 3.75p will vest after one year, those granted at an exercise price of 5.0p will vest after two years and those granted at an exercise price of 7.0p will vest after three years from the date of grant.

Jose Barella is interested in 500,000 SARs in the Company at an exercise price of 3.75p vesting after one year from the date of grant and expiring 13 April 2026.

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For further information please visit: www.tyratech.com or contact: