Executive Director PSP Award/PDMR shareholdings

The Company announces that on 17 November 2023, share awards (the "Awards") approved by the Board of Directors of the Company under the Company's HM Revenue and Customs approved Share Incentive Plan scheme (the "SIP Awards"), in the form of free ordinary shares, contingent on length of service of 0.5 pence each in the Company ("Ordinary Shares") were provided to all eligible U.K. based employees of the Company, including the executive directors of the Company, or its subsidiaries.

In addition, a share award approved by the Board of Directors of the Company under the Kainos Group Performance Share Plan ("PSP Award"), in the form of nominal value options over Ordinary Shares were awarded to Russell Sloan, on his appointment as CEO. The PSP Award vests, other than in exceptional circumstances, over a three-year period from 17 November 2023. The performance conditions associated with the PSP Award are as follows:

• not vest at all if EPS Growth over the measurement period is less than 5%;
• vest in respect of 30% if EPS Growth over the measurement period is 5%;
• vest in full if EPS Growth over the measurement period is 13% or higher;
• vest in respect of 30% if the TSR performance is equal to the mean average Index price;
• 10% of the award will vest if by 31 March 2026 35% of Senior Management Roles are held by women;
• 5% of the award will vest if by 31 March 2026, the latest available customer engagement score shows positive customer satisfaction with 90% of customers scoring the Company as "Very Good" or better, being a rating of 7 or more as measured through NPS or such equivalent measure as the Committee considers appropriate.

Notification and public disclosure of transactions by persons discharging

managerial responsibilities and persons closely associated with them.

(A19 Market Abuse Regulation)