IRESS LIMITED — Major Shareholding Notification 2021

Nov 24, 2021

603 page 1/2

15 July 2001

Form 603 Corporations Act 2001 Section 671B

Notice of initial substantial holder

ToCompany Name/Scheme ACN/ARSN 1. Details of substantial holder (1) Name ACN/ARSN (if applicable) The holder became a substantial holder on	IRESS Limited 060 313 359
	Vanguard Group (The Vanguard Group, Inc. and its controlled entities including those
	listed in Annexure A)
	N/A
	22 November 2021

2. Details of voting power

The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in on the date the substantial holder became a substantial holder are as follows:

Class of securities (4)	Number of securities	Person’s votes (5)	Voting power (6)
Ordinary	9,512,837	9,512,837	5.006%

3. Details of relevant interests

The nature of the relevant interest the substantial holder or an associate had in the following voting securities on the date the substantial holder became a substantial holder are as follows:

Holder of relevant interest	Nature of relevant interest (7)	Class and number of securities
Vanguard Group	Vanguard Group is the manager of various Mutual funds and accounts and in that capacity has the power to dispose of the shares. The other members of Vanguard Group have a relevant interest under section 608(3) of the Corporations Act.	Ordinary – 9,512,837

4. Details of present registered holders

The persons registered as holders of the securities referred to in paragraph 3 above are as follows:

Holder of relevant interest	Registered holder of securities	Person entitled to be registered as holder (8)	Class and number of securities
Vanguard Group	Brown Brothers Harriman	Various funds and other accounts of Vanguard Group	Ordinary – 90,694
Vanguard Group	BNY Mellon	Various funds and other accounts of Vanguard Group	Ordinary – 1,005,722
Vanguard Group	JP Morgan Chase Bank, N.A.	Various funds and other accounts of Vanguard Group	Ordinary – 6,826,666
Vanguard Group	State Street Bank and Trust Company	Various funds and other accounts of Vanguard Group	Ordinary – 1,407,051
Vanguard Group	Various others	Various funds and other accounts of Vanguard Group	Ordinary – 182,704

5. Consideration

The consideration paid for each relevant interest referred to in paragraph 3 above, and acquired in the four months prior to the day that the substantial holder became a substantial holder is as follows:

Holder of relevant interest Date of acquisition Consideration (9) Class and number of securities See Annexure A

603 page 2/2 15 July 2001

6. Associates

The reasons the persons named in paragraph 3 above are associates of the substantial holder are as follows:

Name and ACN/ARSN (if applicable) Nature of association N/A N/A

7. Addresses

The addresses of persons named in this form are as follows:

Name Address Vanguard Group P.O. Box 2600, V26 Valley Forge, PA 19482 USA print name Shawn Acker capacity Compliance Manager sign here date 24 November 2021

Annexure A

To Company ACN/ARSN Substantial Holder Name ACN/ARSN	IRESS Limited
	060 313 359
	Vanguard Group
	N/A

Date of change	Person whose relevant interest changed	Nature of Change(6)	Consideration given in relation to change(7)	Class	Number of securities affected	Person's votes affected
26-Jul-21	The Vanguard Group,Inc.	BUY	12.91	Ordinary	5,763	5,763
26-Jul-21	The Vanguard Group,Inc.	BUY	12.85	Ordinary	21,295	21,295
28-Jul-21	The Vanguard Group,Inc.	BUY	12.53	Ordinary	6,444	6,444
29-Jul-21	The Vanguard Group,Inc.	BUY	14.25	Ordinary	9,228	9,228
29-Jul-21	The Vanguard Group,Inc.	BUY	14.27	Ordinary	1,784	1,784
2-Aug-21	The Vanguard Group,Inc.	BUY	13.74	Ordinary	1,115	1,115
5-Aug-21	The Vanguard Group,Inc.	BUY	14.08	Ordinary	5,360	5,360
16-Aug-21	The Vanguard Group,Inc.	BUY	15.26	Ordinary	2,940	2,940
16-Aug-21	The Vanguard Group,Inc.	BUY	15.26	Ordinary	1,176	1,176
17-Aug-21	The Vanguard Group,Inc.	BUY	15.04	Ordinary	3,216	3,216
19-Aug-21	The Vanguard Group,Inc.	BUY	15.17	Ordinary	2,230	2,230
20-Aug-21	The Vanguard Group,Inc.	BUY	15.18	Ordinary	1,455	1,455
23-Aug-21	The Vanguard Group,Inc.	BUY	15.09	Ordinary	892	892
23-Aug-21	The Vanguard Group,Inc.	BUY	15.09	Ordinary	1,338	1,338
23-Aug-21	The Vanguard Group,Inc.	BUY	15.09	Ordinary	1,164	1,164
23-Aug-21	The Vanguard Group,Inc.	BUY	15.09	Ordinary	1,746	1,746
26-Aug-21	The Vanguard Group,Inc.	BUY	14.83	Ordinary	2,076	2,076
27-Aug-21	The Vanguard Group,Inc.	BUY	14.76	Ordinary	1,164	1,164
27-Aug-21	The Vanguard Group,Inc.	BUY	14.84	Ordinary	18,330	18,330
31-Aug-21	The Vanguard Group,Inc.	SELL	14.79	Ordinary	(5,957)	(5,957)
1-Sep-21	The Vanguard Group,Inc.	BUY	14.48	Ordinary	2,949	2,949
17-Sep-21	The Vanguard Group,Inc.	BUY	12.10	Ordinary	17,333	17,333
23-Sep-21	The Vanguard Group,Inc.	BUY	11.79	Ordinary	1,770	1,770
28-Sep-21	The Vanguard Group,Inc.	BUY	11.70	Ordinary	48,559	48,559
28-Sep-21	The Vanguard Group,Inc.	BUY	11.68	Ordinary	23,805	23,805
29-Sep-21	The Vanguard Group,Inc.	BUY	11.49	Ordinary	1,909	1,909
30-Sep-21	The Vanguard Group,Inc.	BUY	11.28	Ordinary	4,960	4,960
4-Oct-21	The Vanguard Group,Inc.	BUY	11.58	Ordinary	24,034	24,034
8-Oct-21	The Vanguard Group,Inc.	BUY	11.59	Ordinary	1,860	1,860
13-Oct-21	The Vanguard Group,Inc.	BUY	11.52	Ordinary	1,240	1,240
13-Oct-21	The Vanguard Group,Inc.	BUY	11.52	Ordinary	2,480	2,480
25-Oct-21	The Vanguard Group,Inc.	BUY	12.00	Ordinary	1,860	1,860
29-Oct-21	The Vanguard Group,Inc.	SELL	12.12	Ordinary	(1,170)	(1,170)
1-Nov-21	The Vanguard Group,Inc.	BUY	12.33	Ordinary	1,860	1,860
1-Nov-21	The Vanguard Group,Inc.	BUY	12.33	Ordinary	1,240	1,240
3-Nov-21	The Vanguard Group,Inc.	BUY	12.26	Ordinary	1,550	1,550
8-Nov-21	The Vanguard Group,Inc.	BUY	12.31	Ordinary	1,860	1,860
8-Nov-21	The Vanguard Group,Inc.	BUY	12.31	Ordinary	3,410	3,410
11-Nov-21	The Vanguard Group,Inc.	BUY	12.05	Ordinary	1,638	1,638
11-Nov-21	The Vanguard Group,Inc.	BUY	12.05	Ordinary	4,212	4,212
11-Nov-21	The Vanguard Group,Inc.	BUY	12.05	Ordinary	702	702
11-Nov-21	The Vanguard Group,Inc.	BUY	12.05	Ordinary	2,106	2,106
11-Nov-21	The Vanguard Group,Inc.	BUY	12.05	Ordinary	2,480	2,480
11-Nov-21	The Vanguard Group,Inc.	BUY	12.05	Ordinary	1,240	1,240
19-Nov-21	The Vanguard Group,Inc.	BUY	12.27	Ordinary	1,550	1,550
23-Jul-21	Vanguard Investments Australia Ltd.	BUY	12.85	Ordinary	2,352	2,352
27-Jul-21	Vanguard Investments Australia Ltd.	IN SPECIE	12.63	Ordinary	(160,161)	(160,161)
27-Jul-21	Vanguard Investments Australia Ltd.	BUY	12.63	Ordinary	2,792	2,792
29-Jul-21	Vanguard Investments Australia Ltd.	BUY	14.25	Ordinary	129	129
3-Aug-21	Vanguard Investments Australia Ltd.	BUY	13.81	Ordinary	3,717	3,717
3-Aug-21	Vanguard Investments Australia Ltd.	BUY	13.81	Ordinary	2,632	2,632
5-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.07	Ordinary	2,824	2,824
5-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.07	Ordinary	387	387
6-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.21	Ordinary	744	744
6-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.21	Ordinary	516	516
9-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.27	Ordinary	2,304	2,304
10-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.36	Ordinary	743	743
12-Aug-21	Vanguard Investments Australia Ltd.	SELL	15.03	Ordinary	(2,742)	(2,742)
16-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.25	Ordinary	930	930
16-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.25	Ordinary	3,940	3,940
18-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.06	Ordinary	748	748

Page 1 of 3

Annexure A

Date of change	Person whose relevant interest changed	Nature of Change(6)	Consideration given in relation to change(7)	Class	Number of securities affected	Person's votes affected
18-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.06	Ordinary	3,980	3,980
18-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.06	Ordinary	1,592	1,592
18-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.06	Ordinary	387	387
19-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.10	Ordinary	2,587	2,587
20-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.10	Ordinary	561	561
20-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.10	Ordinary	1,000	1,000
23-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.07	Ordinary	258	258
24-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.95	Ordinary	561	561
25-Aug-21	Vanguard Investments Australia Ltd.	SELL	15.02	Ordinary	(2,384)	(2,384)
25-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.02	Ordinary	2,824	2,824
25-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.02	Ordinary	2,639	2,639
25-Aug-21	Vanguard Investments Australia Ltd.	BUY	15.02	Ordinary	738	738
26-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.84	Ordinary	2,050	2,050
30-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.69	Ordinary	940	940
30-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.69	Ordinary	2,926	2,926
30-Aug-21	Vanguard Investments Australia Ltd.	BUY	14.69	Ordinary	387	387
1-Sep-21	Vanguard Investments Australia Ltd.	BUY	14.53	Ordinary	752	752
2-Sep-21	Vanguard Investments Australia Ltd.	BUY	14.62	Ordinary	3,376	3,376
2-Sep-21	Vanguard Investments Australia Ltd.	BUY	14.62	Ordinary	387	387
3-Sep-21	Vanguard Investments Australia Ltd.	BUY	14.66	Ordinary	516	516
6-Sep-21	Vanguard Investments Australia Ltd.	BUY	14.60	Ordinary	2,556	2,556
7-Sep-21	Vanguard Investments Australia Ltd.	BUY	14.53	Ordinary	2,816	2,816
7-Sep-21	Vanguard Investments Australia Ltd.	BUY	14.53	Ordinary	760	760
8-Sep-21	Vanguard Investments Australia Ltd.	BUY	14.43	Ordinary	380	380
9-Sep-21	Vanguard Investments Australia Ltd.	SELL	13.99	Ordinary	(1,204)	(1,204)
9-Sep-21	Vanguard Investments Australia Ltd.	BUY	13.99	Ordinary	760	760
9-Sep-21	Vanguard Investments Australia Ltd.	BUY	13.99	Ordinary	3,010	3,010
10-Sep-21	Vanguard Investments Australia Ltd.	BUY	13.72	Ordinary	1,038	1,038
15-Sep-21	Vanguard Investments Australia Ltd.	BUY	13.19	Ordinary	2,592	2,592
16-Sep-21	Vanguard Investments Australia Ltd.	BUY	13.53	Ordinary	950	950
17-Sep-21	Vanguard Investments Australia Ltd.	BUY	12.08	Ordinary	2,112	2,112
17-Sep-21	Vanguard Investments Australia Ltd.	BUY	12.10	Ordinary	3,439	3,439
17-Sep-21	Vanguard Investments Australia Ltd.	BUY	12.08	Ordinary	520	520
20-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.62	Ordinary	950	950
20-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.62	Ordinary	3,248	3,248
20-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.62	Ordinary	524	524
21-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.76	Ordinary	570	570
22-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.73	Ordinary	260	260
23-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.77	Ordinary	3,927	3,927
27-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.58	Ordinary	1,300	1,300
28-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.73	Ordinary	2,808	2,808
29-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.49	Ordinary	1,701	1,701
29-Sep-21	Vanguard Investments Australia Ltd.	BUY	11.49	Ordinary	1,165	1,165
30-Sep-21	Vanguard Investments Australia Ltd.	SELL	11.52	Ordinary	(12,725)	(12,725)
1-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.55	Ordinary	3,680	3,680
1-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.55	Ordinary	3,450	3,450
1-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.55	Ordinary	645	645
1-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.55	Ordinary	516	516
4-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.60	Ordinary	1,145	1,145
5-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.34	Ordinary	2,812	2,812
5-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.34	Ordinary	1,032	1,032
8-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.60	Ordinary	29,735	29,735
8-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.60	Ordinary	3,472	3,472
11-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.66	Ordinary	650	650
12-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.44	Ordinary	2,812	2,812
12-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.44	Ordinary	910	910
14-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.67	Ordinary	1,110	1,110
15-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.80	Ordinary	2,717	2,717
18-Oct-21	Vanguard Investments Australia Ltd.	SELL	11.81	Ordinary	(3,920)	(3,920)
18-Oct-21	Vanguard Investments Australia Ltd.	SELL	11.81	Ordinary	(3,100)	(3,100)
18-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.81	Ordinary	520	520
19-Oct-21	Vanguard Investments Australia Ltd.	BUY	12.10	Ordinary	2,109	2,109
19-Oct-21	Vanguard Investments Australia Ltd.	BUY	12.10	Ordinary	520	520
21-Oct-21	Vanguard Investments Australia Ltd.	BUY	12.14	Ordinary	2,704	2,704
22-Oct-21	Vanguard Investments Australia Ltd.	BUY	11.93	Ordinary	1,110	1,110
26-Oct-21	Vanguard Investments Australia Ltd.	BUY	12.15	Ordinary	520	520
27-Oct-21	Vanguard Investments Australia Ltd.	IN SPECIE	12.13	Ordinary	(91,561)	(91,561)
27-Oct-21	Vanguard Investments Australia Ltd.	BUY	12.13	Ordinary	2,405	2,405

Page 2 of 3

Annexure A

Date of change	Person whose relevant interest changed	Nature of Change(6)	Consideration given in relation to change(7)	Class	Number of securities affected	Person's votes affected
29-Oct-21	Vanguard Investments Australia Ltd.	BUY	12.00	Ordinary	2,812	2,812
29-Oct-21	Vanguard Investments Australia Ltd.	BUY	12.00	Ordinary	3,195	3,195
29-Oct-21	Vanguard Investments Australia Ltd.	BUY	12.00	Ordinary	520	520
1-Nov-21	Vanguard Investments Australia Ltd.	SELL	12.30	Ordinary	(1,277)	(1,277)
1-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.30	Ordinary	1,070	1,070
2-Nov-21	Vanguard Investments Australia Ltd.	SELL	12.12	Ordinary	(9,510)	(9,510)
3-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.19	Ordinary	925	925
4-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.10	Ordinary	2,616	2,616
5-Nov-21	Vanguard Investments Australia Ltd.	IN SPECIE	12.26	Ordinary	(898,967)	(898,967)
5-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.11	Ordinary	520	520
9-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.10	Ordinary	2,453	2,453
10-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.22	Ordinary	2,106	2,106
10-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.22	Ordinary	1,116	1,116
10-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.22	Ordinary	12,077	12,077
11-Nov-21	Vanguard Investments Australia Ltd.	BUY	11.99	Ordinary	520	520
17-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.31	Ordinary	1,116	1,116
17-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.31	Ordinary	2,320	2,320
18-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.25	Ordinary	8,123	8,123
18-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.25	Ordinary	702	702
18-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.25	Ordinary	910	910
19-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.34	Ordinary	1,309	1,309
19-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.34	Ordinary	780	780
22-Nov-21	Vanguard Investments Australia Ltd.	BUY	12.32	Ordinary	780	780

This is Annexure A of 3 pages referred to in Form 603, Notice of initial substantial holder.

==> picture [82 x 24] intentionally omitted <==

Signature: Name: Shawn Acker Capacity: Compliance Manager Date: 24 November 2021

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