Update - Notification of buy-back - WBC

Appendix 3C - Notification of buy-back
Appendix 3C - Notification of buy-back
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Announcement Summary
Name of entity
WESTPAC BANKING CORPORATION
Announcement type
Update announcement
Type of update
Date of this announcement
11/11/2025
Reason for update
To extend the proposed buy-back end date to 10 November 2026.
ASX Security code and description of the class of +securities the subject of the buy-back
WBC : ORDINARY FULLY PAID
The type of buy-back is:
Refer to next page for full details of the announcement
On market buy-back
Notification of change in details of buy-back

Appendix 3C - Notification of buy-back
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Part 1 - Entity and announcement details
1.1 Name of entity
WESTPAC BANKING CORPORATION
We (the entity named above) provide the following information about our buy-back.
1.2 Registration number type
ABN
Registration number
33007457141
1.3 ASX issuer code
WBC
1.4 The announcement is
1.4a Type of update
1.4b Reason for update
To extend the proposed buy-back end date to 10 November 2026.
1.4c Date of initial notification of buy-back
6/11/2023
1.4d Date of previous announcement to this update
30/7/2025
1.5 Date of this announcement
11/11/2025
1.6 ASX Security code and description of the class of +securities the subject of the buy-back
WBC : ORDINARY FULLY PAID
Notification of change in details of buy-back
Update/amendment to previous announcement

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Part 2 - Type of buy-back
2.1 The type of buy-back is:
On market buy-back

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Part 3 - Buy-back details
Part 3A - Details of +securities, price and reason
3A.1 Total number of +securities on issue in the class of
+securities to be bought back
3,420,353,305
3A.4 Does the entity intend to buy back a minimum
number of +securities
3A.5 Does the entity intend to buy back a maximum
number of securities
3A.6 Name of broker or brokers who will offer to buy back +securities on the entity's behalf
Broker name:
Barrenjoey Markets Pty Limited (ABN 66 636 976 059)
3A.9 Are the +securities being bought back for a cash consideration?
3A.9a Is the price to be paid for +securities bought back known?
3A.9a.1 In what currency will the buy-back consideration
be paid?
AUD - Australian Dollar
Part 3B - Buy-back restrictions and conditions
3B.1 Does the buy-back require security holder
approval?
No
No
Yes
No
No

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Part 3C - Key dates
On-market buy-back
3C.2 Proposed buy-back start date
25/11/2025
3C.3 Proposed buy-back end date
10/11/2026
Part 3D - Other Information
3D.1 Any other information the entity wishes to notify to ASX about the buy-back
Westpac intends to buy back up to an aggregate total of $3.5 billion of its fully paid ordinary shares under the on-market
buy-back, and to provide for the buy-back to continue until 10 November 2026.