OTAQ plc

("OTAQ", or the "Company")

Share Incentive Plan Purchase

Director/PDMR Shareholding

Total Voting Rights

OTAQ, the marine technology products and solutions group for the global aquaculture and offshore oil and gas industries, received notification on 17 August 2021 from Cytec Solutions Corporate Trustees Limited (the "SIP Trustee") in relation to the issue and allotment of 6,466 ordinary shares of 15 pence each in the Company ("Ordinary Shares") for the benefit of participants of the OTAQ Share Incentive Plan (the "SIP"), including those Persons Discharging Managerial Responsibilities of the Company (each, a "PDMR") outlined below in accordance with the rules of the SIP (the "SIP Award").

The SIP is an all-employee trust arrangement approved by HM Revenue and Customs, under which each participating employee will acquire Ordinary Shares at the prevailing market price per share using contributions deducted from pre-tax salary in each calendar month ("Partnership Shares"), with each participating employee being awarded one Ordinary Share for each Partnership Share ("Matching Shares"), using newly issued shares.

Details of the number of Partnership Shares purchased by the PDMRs at a price of 37.5 pence per Ordinary Share, and the number of Matching Shares allocated by the SIP Trustee to the PDMRs for no consideration, are set out against their names in the table below.