Certain Ordinary Shares of Diploma PLC are subject to a Lock-Up Agreement Ending on 14-SEP-2023. These Ordinary Shares will be under lockup for 181 days starting from 17-MAR-2023 to 14-SEP-2023.

The Company has undertaken to the Bookrunners that, between the date of the Placing Agreement and 180 calendar days after the Closing Date, it will not, without the prior written consent of the Bookrunners enter into certain transactions involving or relating to the Ordinary Shares, subject to certain carve outs agreed between the Bookrunners and the Company.