Update - Notification of buy-back - WBC

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
19/12/2025
Reason for update
Daily buy-back notification
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:
Total number of +securities bought back before previous day
88,723,655
Total number of +securities bought back on previous day
50,000
Refer to next page for full details of the announcement
On market buy-back
Daily buy-back notification

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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
Daily buy-back notification
1.4c Date of initial notification of buy-back
6/11/2023
1.4d Date of previous announcement to this update
11/11/2025
1.5 Date of this announcement
19/12/2025
1.6 ASX Security code and description of the class of +securities the subject of the buy-back
WBC : ORDINARY FULLY PAID
Daily buy-back notification
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.

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Part 4 - Daily buy-back notification
A daily buy-back notification must be submitted for Employee share scheme, On-market, Equal access share scheme and
Other buy-backs at least half an hour before the commencement of trading on the +business day after any day on which
+securities are bought back (per listing rule 3.8A)

Please verify if the pre-populated values are accurate as they are only indicative based on previous online submissions.
The pre-populated values may not be accurate if previous online submissions are still in-flight or in case of announcements
made via a MS Word form.

Whilst you may over-ride a pre-populated value, once over-ridden it will not be possible to retrieve the previously
pre-populated value.
4.1 Date of this notification
19/12/2025
4.2 Previous day on which +securities were bought back
18/12/2025
Before previous dayOn previous day
4.3 Total number of +securities bought back, or in
relation to which acceptances have been received
88,723,65550,000
4.4 Total consideration paid or payable for the
+securities
AUD 2,484,619,412.99000AUD 1,912,500.00000
4.5 Highest price paid
AUD 33.77000000AUD 38.25000000
Date highest price was paid:
24/9/2024
4.6 Lowest price paid
AUD 21.49000000AUD 38.25000000
Date lowest price was paid:
6/12/2023
4.7 Highest price allowed to be paid by entity on the previous day under listing rule 7.33:
AUD 40.44000000
4.8 If the entity has disclosed an intention to buy back a maximum number of +securities, the remaining number of
+securities to be bought back as at the end of the previous day