KELLER GROUP PLC - Holding(s) in Company PR Newswire 1. Issuer Details 3. Details of person subject to the notification obligation Name Hamilton Bermuda Is the shareholder the same as the person subject to the notification obligation, above? Yes Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above City of registered office (if applicable) Country of registered office (if applicable) 5. Date on which the threshold was crossed or reached 28-Apr-2021 29-Apr-2021 . % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) Total of both in % (8.A + 8.B) Total number of voting rights held in issuer