OTAQ plc

("OTAQ", or the "Company")

Exercise and Sale of Share Options

Director/PDMR Shareholding

Total Voting Rights

OTAQ, the marine technology products and solutions group for the global aquaculture and offshore oil and gas industries, announces that on 11 August 2021, Phil Newby, Chief Executive Officer and a Person Discharging Managerial Responsibilities ("PDMR") exercised share options over a total of 584,416 ordinary shares of 15 pence each in the Company ("Ordinary Shares"). He also sold a total of 350,000 Ordinary Shares on the same day, retaining the balance of Ordinary Shares arising from the options exercise in his holding.

The details of the transactions are as follows:

1. Exercise of 584,416 Ordinary Shares at an exercise price of nil pence per Ordinary Share. The exercise was in respect of EMI Share Options awarded under the Company's 2020 Long Term Incentive Plan in October 2020 and which vested on the date of grant; and
2. Sale of 350,000 of the vested Ordinary Shares at a price of 36 pence per share on 11 August 2021, subject to Admission (as defined below) on or about 17 August 2021

Following these transactions, Phil Newby, together with his wife, will have a beneficial holding of 756,682 Ordinary Shares which represents 2.41% of the issued share capital of the Company and continues to have share options over a maximum of 229,592 Ordinary Shares.

The new Ordinary Shares shall rank pari passu in all respects with the Company's existing ordinary shares in issue. Applications have been made to the FCA and to the London Stock Exchange for the new Ordinary Shares to be admitted to the Standard segment of the Official List of the FCA and to trading on the London Stock Exchange's Main Market for listed securities respectively ("Admission"). It is expected that Admission will become effective on or around 8.00 am on 17 August 2021.

Total Voting Rights

Following Admission, the enlarged issued share capital of the Company will comprise 31,375,840 Ordinary Shares, with voting rights. The Company does not hold any Ordinary Shares in treasury. Therefore, the total number of Ordinary Shares in the Company with voting rights will be 31,375,840.

The aforementioned figure may be used by shareholders in the Company as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change in their interest in, the share capital of the Company under the FCA's Disclosure Guidance and Transparency Rules.

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About OTAQ

OTAQ is a highly innovative marine technology company focused on the marine aquaculture, offshore energy, renewables and oceanographic research sectors. It operates in four worldwide locations: Lancaster, Aberdeen and Ulverston in the UK and Puerto Montt in Chile.

OTAQ's marine technology portfolio includes a market-leading intelligent acoustic deterrent system, Sealfence, designed to protect marine-based aquaculture sites from predation, with multiple systems deployed in Scotland, Chile, Finland and Russia.

The Company's