15 March 2023

Dianomi plc

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

Directorate Change

Dianomi, a leading provider of native digital advertising services to premium clients in the Business, Finance and Lifestyle sectors, announces that Raphael Queisser and Cabell De Marcellus, both co-founders of Dianomi, are today stepping down from the Board and their roles as COO and CTO respectively with immediate effect.

Dianomi marks its 20^th anniversary this year and Raphael and Cabell have been instrumental in supporting the business over the last two decades. They will continue to support the business as advisers to the CEO, Rupert Hodson.  Both will remain significant and supportive shareholders. Their roles and responsibilities will be covered with existing internal resource and the Company does not anticipate appointing new directors into these roles at the current time.

Raphael Queisser, co-founder of Dianomi commented: "As a co-founder, I have been deeply invested in Dianomi's success from day one, and it has been an incredible journey to see it grow and thrive over the last 20 years. I believe the Company is very well-positioned to continue to grow and succeed in the years to come. I would like to thank the entire team for their hard work, dedication, and support. I have no doubt that under Rupert's stewardship, the Group will go from strength to strength".

Cabell De Marcellus, co-founder of Dianomi added: "I am very proud to have been a co-founder  and CTO of Dianomi. I firmly believe that we have the highest quality ad platform and one of the best teams in ad tech. I wish to thank all the team for their hard work and friendship over these many years. I look forward to working with Rupert and the team as we navigate the next chapter in Dianomi's development".

Rupert Hodson, CEO of Dianomi said: "On behalf of the Board and everyone at the Company, I would like to thank Raphael and Cabell for their hard work and vital contribution to the genesis and success of Dianomi since its inception. It has been a great pleasure to work with them over the years and I look forward to their continued support. Our mission remains to be the number one provider of contextual advertising across the Financial Services, Business and Lifestyle segments and we look forward to continuing to build Dianomi for the benefit of all our stakeholders and shareholders".

The information contained within this announcement is deemed to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014. It forms part of United Kingdom domestic law by virtue of the European Union (Withdrawal) Act 2018. Upon the publication of this announcement, this inside information is now considered to be in the public domain.

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About Dianomi

Dianomi, established in 2003, is a leading provider of native digital advertising services to premium clients in the Business, Finance and Lifestyle sectors. The Group operates from its offices in London, New York and Sydney. The Group enables premium brands to deliver native advertisements to a targeted audience on the desktop and mobile websites, mobile and tablet applications of premium publishers. It provides over 400 advertisers, including blue chip names such as abrdn, Invesco and Charles Schwab, with access to an international audience of over 500 million devices per month through its partnerships with over 300 premium publishers, including blue chip names such as Reuters, CNN Business and WSJ. Adverts served are contextually relevant to the content of the webpages on which they appear and mirror the style of the page, which enhances reader engagement. http://www.dianomi.com.