SCIDEV LTD — Major Shareholding Notification 2025

Dec 22, 2025

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Form 604 Corporations Act 2001 Section 671B

Notice of change of interests of substantial holder

To Company Name/Scheme Scidev Ltd (SDV) ABN/ARSN ABN 25 001 150 849 1. Details of substantial holder (1) Name Mercer Investments (Australia) Limited as RE of Mercer Australian Small Companies Fund ACN/ARSN (if applicable) Mercer Investments (Australia) Limited (ABN 66 008 612 397) Mercer Australian Small Companies Fund (ARSN 111 237 873) There was a change in interests of the substantial holder on 18/12/2025 The previous notice was given to the company on 1/09/2025 The previous notice date 1/09/2025 2. Previous and present voting power The total number of votes attached to all the voting shares or interests in the company, scheme or fund that the substantial holder or an associate (2) had a relevant interest (3) in when last required, and when now required, to give a substantial holding notice to the company, scheme or fund, are as follows:

Class of securities (4)	Previous Notice		Present notice
	Person’s votes	Voting Power (5)	Person’s votes	Voting Power (5)
Ordinary Fully Paid Shares	10,581,978	5.567%	13,318,404	7.01%

3. Changes in relevant interests

Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate in voting securities of the company, scheme or fund, since the substantial holder was last required to give a substantial holding notice to the company, scheme or fund are as follows:

Date of Change	Person whose relevant interest changed	Nature of change (6)	Consideration given in relation to change (7)	Class and number of securities affected	Person’s votes affected
18/12/2025	Mercer Investments (Australia) Limited as RE of Mercer Australian Small Companies Fund	Purchase of 1,414,439 shares on 18 December 2025 (at 0.4369 per share and settled on 22 December 2025)	$ 617,968.40	Refer to Annexure A – Table 3	Refer to Annexure A – Table 3

A business of Marsh McLennan

4. Present relevant interests

Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows:

Holder of relevant interest	Holder of relevant interest	Registered holder of securities	Person entitled to be registered as holder (8)	Person entitled to be registered as holder (8)	Nature of relevant interest (6)	Class and number of securities	Person’s votes
See Annexure A, Table 2
anges in association ersons who have become associates (2) of, ceased to be associates of, or have changed the natur on to voting securities in the company, scheme or fund are as follows: Name and ACN/ARSN (if applicable) Nature of association See Annexure A, Table 1 & Table 2 Company					have changed the natur	e of their association (9) with, the substantial hol
	Name and ACN/ARSN (if applicable)			Nature of association
	See Annexure A, Table 1 & Table 2			Company

5. Changes in association

The persons who have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to voting securities in the company, scheme or fund are as follows:

6. Addresses

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

Name	Address
Mercer Investments (Australia) Limited as RE of Mercer Australian Small Companies Fund	Level 15, Collins Square, 727 Collins Street, Melbourne VIC 3008, Australia

Signature

Print name: Simon Eagleton

Capacity: Director, Mercer Investments (Australia) Limited

Sign here: Date: 23/12/2025

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Annexure A - Table 1

Related Companies of Mercer Investments (Australia) Limited

Mercer Superannuation (Australia) Limited Mercer Investments (Australia) Limited Mercer (Australia) Pty Ltd Mercer Consulting (Australia) Proprietary Limited Mercer Financial Advice Proprietary Limited Mercer Outsourcing (Australia) Proprietary Limited Mercer Australia Superannuation Administration Proprietary Limited

Mercer Investments (Australia) Limited acts as RE or Trustee for these funds

Advance Australian Fixed Interest Multi-Blend Fund Advance Australian Shares Multi-Blend Fund Advance Balanced Multi-Blend Fund Advance Cash Multi-Blend Fund Advance Defensive Multi-Blend Fund Advance Defensive Yield Multi-Blend Fund Advance Growth Multi-Blend Fund Advance High Growth Multi-Blend Fund Advance International Fixed Interest Multi-Blend Fund Advance International Shares Multi-Blend Fund Advance Moderate Multi-Blend Fund Advance Property Securities Multi-Blend Fund Managed Portfolio Series Alternatives Fund 1 Managed Portfolio Series Australian Fixed Interest Fund 1 Managed Portfolio Series Australian Fixed Interest Fund 2 Managed Portfolio Series Australian Fixed Interest Fund 3 Managed Portfolio Series Australian Shares Fund 1 Managed Portfolio Series Australian Shares Fund 2 Managed Portfolio Series Australian Shares Fund 3 Managed Portfolio Series Australian Shares Fund 4 Managed Portfolio Series International Fixed Interest Fund 1 Managed Portfolio Series International Fixed Interest Fund 3 Managed Portfolio Series International Property Securities Fund 1 Mercer Australian Direct Property Fund

Mercer Australian Inflation Plus Fund Mercer Australian Shares Fund Mercer Australian Shares Fund for Tax Exempt Investors Mercer Australian Shares Plus Fund Mercer Australian Small Companies Fund Mercer Australian Sovereign Bond Fund Mercer Cash Fund Mercer Conservative Growth Fund Mercer Emerging Markets Debt Fund Mercer Emerging Markets Shares Fund Mercer Global Credit Fund Mercer Global Unlisted Property Fund (MST) Mercer Global Listed Property Fund Mercer Global Small Companies Shares Fund Mercer Global Sovereign Bond Fund Mercer Global Unlisted Infrastructure Fund Mercer Growth Fund Mercer Hedged International Shares Fund Mercer High Growth Fund Mercer Indexed Australian Fixed Interest Fund Mercer Indexed Australian Listed Property Fund Mercer Indexed Australian Shares Fund Mercer Indexed Balanced Fund Mercer Indexed Defensive Fund

A business of Marsh McLennan

Mercer Investments (Australia) Limited acts as RE or Trustee for these funds

Mercer Indexed Growth Fund Mercer Indexed High Growth Fund Mercer Indexed International Fixed Interest Fund Mercer Indexed International Shares Fund Mercer Indexed Moderate Fund Mercer International Shares Fund Mercer Moderate Growth Fund Mercer Multi-manager Balanced Fund Mercer Multi-manager Conservative Fund Mercer Multi-manager Growth Fund Mercer Multi-manager High Growth Fund Mercer Passive Australian Listed Property Fund Mercer Passive Australian Shares Fund Mercer Passive Emerging Markets Shares Fund Mercer Passive Global Listed Infrastructure Fund Mercer Passive Global Listed Property Fund Mercer Passive Hedged International Shares Fund Mercer Passive International Shares Fund Mercer Sustainable Plus Australian Shares Fund Mercer Sustainable Plus International Shares Fund Mercer DG (EX P) Trust Mercer OSS Trust Mercer Investment Funds Australian Shares Plus Trust Mercer Passive Global Technology Shares Fund Advance Diversified Alternatives Fund Advance Global Unlisted Property Fund WSSP Australian Equities Trust

Advance Private Debt Fund Advance Unlisted Infrastructure Fund Mercer Tailored #1 Trust TAL 2 Trust Mercer Global Private Debt Fund Mercer Global Absolute Return Bond Fund Mercer Global High Yield Bond Fund Mercer Conservative Growth Overlay Fund Mercer Moderate Growth Overlay Fund Mercer Growth Overlay Fund Mercer High Growth Overlay Fund Mercer Diversified Growth Mercer CFS Property Fund AP#2 Trust Mercer Short Term Bond Fund Mercer Passive Sustainable International Shares Fund SP International Shares Trust TSA Equity Fund #1 TSA Equity Fund #2 Mercer Sustainable Plus Global Credit Fund Sustainable GS#1 Trust Mercer Global Unlisted Property Fund WSSP International Equities Trust WSSP International Property (Global REITS) Trust AP # 1 Trust

This is Annexure A of six pages referred to in Form 604 'Notice of change of interests of substantial holder'

Signature

Date: 23/12/2025

Name: Simon Eagleton Capacity: Director, Mercer Investments (Australia) Limited

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Annexure A - Table 2

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Fund details:

No.	Fund Name	Registered Holder	Registered Address	Persons entitled to be registered holder
1	Mercer Australian Small Companies Fund	HSBC Custody Nominees (Australia) Limited as a Sub Custodian of Mercer Australian Small Companies Fund	GPO BOX 5302 SYDNEY NSW 2001	MERCER INVESTMENTS (AUSTRALIA) LIMITED as RE of Mercer Australian Small Companies Fund

A business of Marsh McLennan

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Annexure A - Table 3

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Present relevant interest

Mercer Investments (Australia) Limited (ABN 66 008 612 397) and Mercer Australian Small Companies Fund (ARSN 111 237 873)

As at 18[th] December 2025

s at 18th December 2025
Mercer Investments (Australia) Limited's holdings	13,318,404
Total Shares on Issue – Scidev Ltd (SDV)	190,088,581
	7.01%

A business of Marsh McLennan

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Annexure A - Table 4

The changes in relevant interest, including the consideration paid and received, since the previous notice date are as follows:

Fund name	Entity Name	Trade Date	No of Securities	Valueper share	Consideration	ISIN	Action
Mercer Australian Small Companies Fund	Mercer Investments(Australia)Limited	18/12/2025	1,414,439	0.4369	$617,968.40	AU000000SDV5	Purchases
Mercer Australian Small Companies Fund	Mercer Investments(Australia)Limited	20/11/2025	28,000	0.4444	$ 12,443.20	AU000000SDV5	Purchases
Mercer Australian Small Companies Fund	Mercer Investments(Australia)Limited	6/11/2025	1,287,587	0.3195	$ 411,384.05	AU000000SDV5	Purchases
Mercer Australian Small Companies Fund	Mercer Investments(Australia)Limited	15/10/2025	1,400	0.2983	$ 417.62	AU000000SDV5	Purchases
Mercer Australian Small Companies Fund	Mercer Investments(Australia)Limited	9/9/2025	5,000	0.315	$ 1575.00	AU000000SDV5	Purchases

A business of Marsh McLennan