BLOCK LISTING SIX MONTHLY RETURN

INFORMATION PROVIDED ON THIS FORM MUST BE TYPED OR PRINTED ELECTRONICALLY AND PROVIDED TO AN RIS.

(Note: Italicised terms have the same meaning as given in the Listing Rules.)

Date: 02 January 2024

Name of applicant:Keller Group plc
Name of scheme:Keller Group plc Performance Share Plan
Period of return (from / to)01/07/2023 - 31/12/2023

Balance of unallotted securities under scheme(s)

from previous return:

371,500 ordinary 10p shares

Plus: The amount by which the block scheme(s)

has been increased since the date of the last

return (if any increase has been applied for):

Nil

Less: Number of securities issued/allotted under

scheme(s) during period (see LR3.5.7G):

Nil

Equals: Balance under scheme(s) not yet

issued/allotted at end of period:

371,500

Name of contact:Jamie Dearsley, Company Secretarial Assistant
Telephone number of contact:+44(0)207 616 7575
LEI number:549300QO4MBL43UHSN10
Classification:3.1 Additional regulated information required to be disclosed under the laws of a Member State