1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

Erica Boisvert

2

Reason for the notification

a)

Position/status

Chief Financial Officer

b)

Initial notification /Amendment

Initial

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

TyraTech Inc.

b)

Legal Entity Identifier

N/A

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

Common shares of USD 0.001 per share par value

 TYR.L 

b)

Nature of the transaction

Purchase

c)

Currency

USD

d)

Price(s) and volume(s)

Price(s)

Volume(s)

$0.0467

$.0464

$0.0285

30,000          (1)

470,000         (2)

100,000         (3)

e)

Aggregated information

- Aggregated volume

- Aggregated price

- Aggregated total

600,000

0.0434

$26,059

f)

Date of the transaction

(1) 2016-02-04

(2) 2016-02-05

(3) 2016-09-14

g)

Place of the transaction

London Stock Exchange, AIM XLON