Announcement PDF Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder To Company Name/Scheme Microba Life Sciences Ltd (MAP) ABN/ARSN ABN 82 617 096 652 1. Details of substantial holder (1) Name Mercer Investments (Australia) Limited as RE of Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited as Trustee of WSSP Australian Equities Trust ACN/ARSN (if applicable) Mercer Investments (Australia) Limited (ABN 66 008 612 397) Mercer Australian Small Companies Fund (ARSN 111 237 873) WSSP Australian Equities Trust (ABN 71 812 058 980) There was a change in interests of the substantial holder on 9/07/2026 The previous notice was given to the company on 12/11/2025 The previous notice date 12/11/2025 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 38,773,209 6.37% 53,123,105 7.586% 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 9/07/2026 Mercer Investments (Australia) Limited as Trustee of WSSP Australian Equities Trust Purchase of 2,675,000 shares on 9 July 2026 (at an average of 0.0370 per share and settled on 13 July 2026) $99,062.50 Refer to Annexure A – Table 3 Refer to Annexure A – Table 3 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 Registered holder of securities 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 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: Name and ACN/ARSN (if applicable) Nature of association See Annexure A, Table 1 & Table 2 Company 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 Mercer Investments (Australia) Limited as Trustee of WSSP Australian Equities Trust 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: 14/07/2026 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 Mercer Australian Inflation Plus Fund Advance Australian Shares Multi-Blend Fund Mercer Australian Shares Fund Advance Balanced Multi-Blend Fund Mercer Australian Shares Fund for Tax Exempt Investors Advance Cash Multi-Blend Fund Mercer Australian Small Companies Fund Advance Defensive Multi-Blend Fund Mercer Australian Sovereign Bond Fund Advance Diversified Alternatives Fund Mercer Cash Fund Advance Global Unlisted Property Fund Mercer CFS Property Fund Advance Growth Multi-Blend Fund Mercer Conservative Growth Fund Advance High Growth Multi-Blend Fund Mercer Conservative Growth Overlay Fund Advance International Fixed Interest Multi-Blend Fund Mercer DG (EX P) Trust Advance International Shares Multi-Blend Fund Mercer Emerging Markets Debt Fund Advance Moderate Multi-Blend Fund Mercer Emerging Markets Shares Fund Advance Private Debt Fund Mercer Global Credit Fund Advance Property Securities Multi-Blend Fund Mercer Global High Yield Bond Fund Advance Unlisted Infrastructure Fund Mercer Global Listed Property Fund AP # 1 Trust Mercer Global Private Debt Fund AP#2 Trust Mercer Global Small Companies Shares Fund Managed Portfolio Series Australian Fixed Interest Fund 1 Mercer Global Sovereign Bond Fund Managed Portfolio Series Australian Fixed Interest Fund 2 Mercer Global Unlisted Infrastructure Fund Managed Portfolio Series Australian Fixed Interest Fund 3 Mercer Global Unlisted Property Fund Managed Portfolio Series International Fixed Interest Fund 1 Mercer Global Unlisted Property Fund (MST) Managed Portfolio Series International Fixed Interest Fund 3 Mercer Growth Fund Managed Portfolio Series International Property Securities Fund 1 Mercer Growth Overlay Fund Mercer Australian Direct Property Fund Mercer Hedged International Shares Fund Mercer Investments (Australia) Limited acts as RE or Trustee for these funds Mercer High Growth Fund Mercer Short Term Bond Fund Mercer High Growth Overlay Fund Mercer Sustainable Plus Australian Shares Fund Mercer Indexed Australian Fixed Interest Fund Mercer Sustainable Plus Global Credit Fund Mercer Indexed Australian Listed Property Fund Mercer Sustainable Plus International Shares Fund Mercer Indexed Australian Shares Fund Mercer Tailored #1 Trust Mercer Indexed Balanced Fund SP International Shares Trust Mercer Indexed Defensive Fund Sustainable GS#1 Trust Mercer Indexed Growth Fund TAL 2 Trust Mercer Indexed High Growth Fund TSA Equity Fund #1 Mercer Indexed International Fixed Interest Fund TSA Equity Fund #2 Mercer Indexed International Shares Fund WSSP Australian Equities Trust Mercer Indexed Moderate Fund WSSP International Equities Trust Mercer International Shares Fund WSSP International Property (Global REITS) Trust Mercer Investment Funds Australian Shares Plus Trust Mercer Moderate Growth Fund Mercer Moderate Growth Overlay Fund Mercer OSS Trust 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 Global Technology Shares Fund Mercer Passive Hedged International Shares Fund Mercer Passive International Shares Fund Mercer Passive Sustainable International Shares Fund This is Annexure A of seven pages referred to in Form 604 'Notice of change of interests of substantial holder' Signature Date: 14/07/2026 Name: Simon Eagleton Capacity: Director, Mercer Investments (Australia) Limited Annexure A - Table 2 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 2 WSSP Australian Equities Trust HSBC Custody Nominees (Australia) Limited as a Sub Custodian of WSSP Australian Equities Trust GPO BOX 5302 SYDNEY NSW 2001 MERCER INVESTMENTS (AUSTRALIA) LIMITED as Trustee of WSSP Australian Equities Trust Annexure A - Table 3 Present relevant interest Mercer Investments (Australia) Limited (ABN 66 008 612 397), Mercer Australian Small Companies Fund (ARSN 111 237 873) and WSSP Australian Equities Trust (ABN 71 812 058 980) As at 9th July 2026 Mercer Investments (Australia) Limited's holdings 53,123,105 Total Shares on Issue – MICROBA LIFE SCIENCES LTD (MAP) 700,307,489 7.586% 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 Value per share Consideration ISIN Action WSSP Australian Equities Trust Mercer Investments (Australia) Limited 9/07/2026 1,800,000 0.037 $ 66,600.00 AU0000209868 Purchases WSSP Australian Equities Trust Mercer Investments (Australia) Limited 9/07/2026 875,000 0.0371 $ 32,462.50 AU0000209868 Purchases WSSP Australian Equities Trust Mercer Investments (Australia) Limited 25/06/2026 10,000,000 0.05 $ 500,000.00 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 25/06/2026 (10,000,000) 0.05 $ (500,000.00) AU0000209868 Sales WSSP Australian Equities Trust Mercer Investments (Australia) Limited 19/06/2026 300,000 0.0382 $ 11,460.00 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 15/06/2026 10,000,000 0.05 $ 500,000.00 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 20/03/2026 11,472 0.078 $ 894.82 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 19/03/2026 16,825 0.0786 $ 1,322.45 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 18/03/2026 27,681 0.0785 $ 2,172.96 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 17/03/2026 100,688 0.0799 $ 8,044.97 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 16/03/2026 12,461 0.0792 $ 986.91 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 13/03/2026 60,637 0.08 $ 4,850.96 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 12/03/2026 35,690 0.0797 $ 2,844.49 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 11/03/2026 32,264 0.0789 $ 2,545.63 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 10/03/2026 200,000 0.08 $ 16,000.00 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 9/03/2026 98,757 0.0799 $ 7,890.68 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 6/03/2026 92,918 0.082 $ 7,619.28 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 26/11/2025 14,000 0.074 $ 1,036.00 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 25/11/2025 110,382 0.0739 $ 8,157.23 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 24/11/2025 248,883 0.0736 $ 18,317.79 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 24/11/2025 20,188 0.072 $ 1,453.54 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 21/11/2025 72,433 0.0726 $ 5,258.64 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 20/11/2025 2,147 0.072 $ 154.58 AU0000209868 Purchases Mercer Australian Small Companies Fund Mercer Investments (Australia) Limited 14/11/2025 217,470 0.0704 $ 15,309.89 AU0000209868 Purchases