Grant of a Restricted Share Award under The Weir Group Share Reward Plan. The award will vest in three tranches: of 5,851 shares at

1.

Details of the person discharging managerial responsibilities/ person closely associated

a)

Name

Brian Doffing

2.

Reason for the notification

a)

Position/status

President, ESCO Division

b)

Initial notification/ Amendment

Initial Notification

3.

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Weir PLC

b)

LEI

549300KDR56WHY9I3D10

4.

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

Ordinary shares of 12.5p each fully paid

GB0009465807

b)

Nature of the transaction

Grant of a Restricted Share Award under The Weir Group Share Reward Plan. The award will vest in three tranches:

• 1,950 shares on 31 March 2027;
• 1,950 shares on 31 March 2028; and,
• 1,951 shares on 31 March 2029.

The award is not subject to performance conditions.

No consideration was paid for the grant of the award.

c)

Price(s) and volume(s)

d)

Aggregated information

-Aggregated volume

-Price

N/A

e)

Date of the transaction

9 October 2026

f)

Place of the transaction

Outside a trading venue