22 February 2023

THIS ANNOUNCEMENT AND THE INFORMATION CONTAINED HEREIN, IS RESTRICTED AND IS NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY, IN, INTO OR FROM THE UNITED STATES, CANADA, JAPAN, AUSTRALIA, THE REPUBLIC OF SOUTH AFRICA OR ANY OTHER JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OR REGULATIONS OF THAT JURISDICTION. THIS ANNOUNCEMENT SHOULD BE READ IN ITS ENTIRETY.

THIS ANNOUNCEMENT IS FOR INFORMATION PURPOSES ONLY AND SHALL NOT CONSTITUTE AN OFFER TO SELL OR ISSUE OR THE SOLICITATION OF AN OFFER TO BUY, SUBSCRIBE FOR OR OTHERWISE ACQUIRE ANY NEW ORDINARY SHARES OF THE COMPANY.

THIS ANNOUNCEMENT SHOULD BE READ IN CONJUNCTION WITH THE FULL TEXT OF THE CIRCULAR ISSUED ON 6 FEBRUARY 2023. ALL CAPITALISED TERMS USED IN THIS ANNOUNCEMENT AND NOT OTHERWISE DEFINED SHALL HAVE THE MEANINGS GIVEN TO THEM IN THE CIRCULAR.

Itaconix plc

("Itaconix", the "Company" or the "Group")

Results of Open Offer, General Meeting

and Total Voting Rights

The Board of Itaconix plc, a leading innovator in sustainable plant-based polymers used to decarbonize everyday consumer products, is pleased to announce that it has received valid acceptances from Qualifying Shareholders in respect of 4,513,420 Open Offer Shares. This represents approximately 58.2 per cent. of the 7,760,852 New Ordinary Shares available under the Open Offer.

The Board also announces that at the General Meeting held earlier today, all Resolutions were duly passed by Shareholders.

The Company has therefore raised, in aggregate, gross proceeds of approximately £10.5 million through the Placing, Subscription and Open Offer.

Admission and Total Voting Rights

Application has been made for the 138,563,048 New Ordinary Shares (being the 133,094,856 Conditional Placing Shares, 954,772 Subscription Shares and 4,513,420 Open Offer Shares) to be admitted to trading on AIM. It is expected that the Admission of the Conditional Placing Shares, the Subscription Shares and the Open Offer Shares will occur and dealings in the New Ordinary Shares will commence at 8.00 a.m. on 27 February 2023.

Following Admission, the total number of Ordinary Shares in issue will be 674,306,055. There are no Ordinary Shares held in treasury. Accordingly, the total number of voting rights in the Company on Admission will be 674,306,055. This figure may be used by Shareholders as the denominator for the calculations to determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

John R. Shaw, CEO of Itaconix, commented:

“We have successfully raised gross proceeds of £10.5 million. I am extremely pleased to welcome new 
institutional shareholders to the Company. We are now entering a new stage of development as we aim to become a much larger sustainable ingredient company. Our strong balance sheet now gives us the opportunity to target higher revenue growth from our current ingredients. There are a number of exciting opportunities for us to develop new ingredients and increase revenues from our substantial itaconate technology platform. We approach the future with more commercial progress, more resources, more potential, and more optimism than ever before.” 

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