Block Listing Update

Name of applicant:

Breedon Group plc

Name of schemes:

1) Breedon Group Savings Related Share Option Scheme

2) Breedon Group Irish Savings-Related Share Option Scheme (Unapproved)

3) Breedon Group Performance Share Plan

4) Breedon Group Employee Stock Purchase Plan

Period of return:

From:

28 December 2025

To:

18 January 2026

Balance of unallotted securities under scheme(s) from previous return:

1,905,437 Ordinary 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):

1) 0 - Breedon Group Savings Related Share Option Scheme

2) 0 - Breedon Group Irish Savings-Related Share Option Scheme (Unapproved)

3) 0 - Breedon Group Performance Share Plan

4) 0 - Breedon Group Employee Stock Purchase Plan

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

1,905,437 Ordinary Shares

Name of contact:

James Atherton-Ham

Telephone number of contact:

+44 (0)1332 694010