Announcement PDF ASX Form 603 1 Form 603 Corporations Act 2001 Section 671B Notice of initial substantial shareholder To Company Name/Scheme METALLIUM LIMITED ACN ACN 645 885 463 1. Details of substantial holder Name The Goldman Sachs Group, Inc. (“GSGI”) on behalf of itself and its subsidiaries (“Goldman Sachs Group”) including its significant subsidiaries listed in Annexure A (“Significant Subsidiaries”) and Goldman Sachs Holdings ANZ Pty Limited and its subsidiaries (“Goldman Sachs Australia Group”) ACN/ARSN (if applicable) Not applicable The holder became a substantial holder on 10 February 2026 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 Number of securities Persons’ votes Voting power Fully Paid Ordinary Shares 37,106,779 37,106,779 5.04% 3. Details of relevant interests The nature of the relevant interest the substantial holder 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 Class and number of securities GSGI GSGI has a relevant interest in fully paid ordinary shares by virtue of section 608(3) of the Corporations Act 2001 (Cth). 37,106,779 Fully Paid Ordinary Shares Goldman Sachs Financial Markets Pty Ltd (“GAUS”) GAUS beneficially owns fully paid ordinary shares. 37,026,779 Fully Paid Ordinary Shares Goldman Sachs & Co. LLC ("GSCO") Holder of shares subject to an obligation to return under the securities lending agreements (see Annexure B). 70,000 Fully Paid Ordinary Shares GSCO GSCO has the power to control the voting and/or disposal of the underlying fully paid ordinary shares represented by ADRs. 10,000 Fully Paid Ordinary Shares ASX Form 603 2 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 Class and number of securities GAUS HSBC Custody Nominees Australia Limited GAUS 37,026,779 Fully Paid Ordinary Shares GSCO ADR depository bank (Bank of New York Mellon) GSCO 80,000 Fully Paid Ordinary Shares 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 Class and number of securities Please refer to Annexure B and C. 6. Associates The reasons the persons named in paragraph 3 above are associates of the substantial holder are as follows: Name and ACN (if applicable) Nature of association N/A N/A 7. Addresses The addresses of persons named in this form are as follows: Name Address GSGI Corporation Trust Center, 1209 Orange Street, Wilmington DE 19801, USA Goldman Sachs Australia Group All care of Level 22, 101 Collins Street, Melbourne Victoria 3000, Australia GAUS Level 22, 101 Collins Street, Melbourne, Victoria 3000, Australia GSCO 200 West Street, New York, NY 10282, USA HSBC Custody Nominees Australia Limited GPO Box 5302, Sydney NSW 2001, Australia Bank of New York Mellon One Wall Street, 15th Floor, New York, NY 10286 THE GOLDMAN SACHS GROUP, INC AND ITS SUBSIDIARIES Signature Print name Rahail Patel (signing under power of attorney in accordance with section 52A of the Corporations Act 2001 (Cth)) Capacity Authorised Person Sign here Date 12 February 2026 ASX Form 603 3 Annexure A (This is Annexure A of two (2) pages referred to in Form 603, Notice of initial substantial shareholder) Significant Subsidiaries of The Goldman Sachs Group, Inc. The following are significant subsidiaries of The Goldman Sachs Group, Inc. as of December 31, 2024 and the states or jurisdictions in which they are organized. Each subsidiary is indented beneath its principal parent. The Goldman Sachs Group, Inc. owns, directly or indirectly, at least 99% of the voting securities of substantially all of the subsidiaries included below. The names of particular subsidiaries have been omitted because, considered in the aggregate as a single subsidiary, they would not constitute, as of the end of the year covered by this report, a “significant subsidiary” as that term is defined in Rule 1-02(w) of Regulation S-X under the Securities Exchange Act of 1934. ASX Form 603 4 THE GOLDMAN SACHS GROUP, INC AND ITS SUBSIDIARIES Signature Print name Rahail Patel (signing under power of attorney in accordance with section 52A of the Corporations Act 2001 (Cth)) Capacity Authorised Person Sign here Date 12 February 2026 ASX Form 603 5 Annexure B (This is Annexure B of two (2) pages referred to in Form 603, Notice of initial substantial shareholder) This is Annexure B referred to in the Form 603: Notice of initial substantial shareholder issued by The Goldman Sachs Group, Inc. and its subsidiaries. The following is description of the securities lending agreements referenced in the accompanying Form 603: Type of Agreement Master Securities Loan Agreement Parties to agreement Goldman Sachs & Co. LLC Charles Schwab & Co. LLC Transfer Date 2/6/2026 Holder of Voting Rights Borrower Are there any restrictions on voting rights? Yes/No If yes, detail No Scheduled return date (if any) N/A Does the borrower have the right to recall early? Yes/No If yes, detail Yes, by giving notice to lender prior to the defined cutoff time on any business day and transferring loaned securities to lender on or before the defined cutoff time on termination date of the loan. Does the lender have the right to recall early? Yes/No If yes, detail Yes, by giving notice to borrower prior to the defined cutoff time on any business day. Will the securities be returned on settlement? Yes/No If yes, detail any exceptions Yes, must transfer loaned securities on or before the cutoff time on termination date of the loan. Type of Agreement Master Securities Loan Agreement Parties to agreement Goldman Sachs & Co. LLC Interactive Brokers LLC Transfer Date 1/30/2026 2/4/2026 2/5/2026 Holder of Voting Rights Borrower Are there any restrictions on voting rights? Yes/No If yes, detail No Scheduled return date (if any) N/A Does the borrower have the right to recall early? Yes/No If yes, detail Yes, by giving notice to lender prior to the defined Close of Business on any business day and transferring loaned securities before the defined cutoff time on such business day. Does the lender have the right to recall early? Yes/No If yes, detail Yes, by giving notice to borrower prior to the defined Close of Business on any business day. Will the securities be returned on settlement? Yes/No If yes, detail any exceptions Yes, must transfer loaned securities on or before the defined cutoff time on the termination date of loan. ASX Form 603 6 A copy of the agreements will be provided to Metallium Limited or the Australian Securities and Investments Commission upon request. THE GOLDMAN SACHS GROUP, INC AND ITS SUBSIDIARIES Signature Print name Rahail Patel (signing under power of attorney in accordance with section 52A of the Corporations Act 2001 (Cth)) Capacity Authorised Person Sign here Date 12 February 2026 ASX Form 603 7 Annexure C (This is Annexure C of two (2) pages referred to in Form 603, Notice of initial substantial shareholder) Holder of Relevant Interest Date of Acquisition Consideration Class and number of securities GAUS 10/13/2025 307,229 292,599 Fully Paid Ordinary Shares GAUS 10/14/2025 345,793 321,668 Fully Paid Ordinary Shares GAUS 10/15/2025 998,750 850,000 Fully Paid Ordinary Shares GAUS 10/15/2025 231,373 196,913 Fully Paid Ordinary Shares GAUS 10/16/2025 709,282 572,002 Fully Paid Ordinary Shares GAUS 10/17/2025 322,265 243,219 Fully Paid Ordinary Shares GAUS 10/20/2025 196 180 Fully Paid Ordinary Shares GAUS 10/23/2025 909,000 900,000 Fully Paid Ordinary Shares GAUS 10/27/2025 427,100 429,246 Fully Paid Ordinary Shares GAUS 10/28/2025 1,138,359 1,419,011 Fully Paid Ordinary Shares GAUS 10/28/2025 89,500 100,000 Fully Paid Ordinary Shares GAUS 10/28/2025 438,303 489,724 Fully Paid Ordinary Shares GAUS 10/29/2025 192,335 241,035 Fully Paid Ordinary Shares GAUS 10/29/2025 207,551 256,236 Fully Paid Ordinary Shares GAUS 10/30/2025 171,944 212,276 Fully Paid Ordinary Shares GAUS 10/30/2025 2,316 2,859 Fully Paid Ordinary Shares GAUS 10/31/2025 13,105 15,785 Fully Paid Ordinary Shares GAUS 11/3/2025 7,467 9,135 Fully Paid Ordinary Shares GAUS 11/5/2025 12,296 17,585 Fully Paid Ordinary Shares GAUS 11/6/2025 181 253 Fully Paid Ordinary Shares GAUS 11/6/2025 14,227 19,917 Fully Paid Ordinary Shares GAUS 11/7/2025 13,889 19,581 Fully Paid Ordinary Shares GAUS 11/10/2025 639 860 Fully Paid Ordinary Shares GAUS 11/10/2025 21,344 28,409 Fully Paid Ordinary Shares GAUS 11/12/2025 12,485 16,064 Fully Paid Ordinary Shares GAUS 11/12/2025 2,301 3,088 Fully Paid Ordinary Shares GAUS 11/14/2025 1,796 2,514 Fully Paid Ordinary Shares GAUS 11/17/2025 18,598 25,194 Fully Paid Ordinary Shares GAUS 11/18/2025 4,314 5,985 Fully Paid Ordinary Shares GAUS 11/19/2025 2,045 3,031 Fully Paid Ordinary Shares GAUS 11/20/2025 10,999 15,119 Fully Paid Ordinary Shares GAUS 11/21/2025 3,945 5,669 Fully Paid Ordinary Shares GAUS 11/21/2025 322,651 441,987 Fully Paid Ordinary Shares GAUS 11/25/2025 13,615 16,941 Fully Paid Ordinary Shares GAUS 12/17/2025 2,005 2,387 Fully Paid Ordinary Shares GAUS 12/19/2025 13,838 17,134 Fully Paid Ordinary Shares GAUS 12/19/2025 3,054 3,841 Fully Paid Ordinary Shares GAUS 12/22/2025 33,246 38,912 Fully Paid Ordinary Shares GAUS 12/23/2025 49,998 54,516 Fully Paid Ordinary Shares GAUS 12/30/2025 111 106 Fully Paid Ordinary Shares GSCO 1/14/2026 N/A 2,000 Fully Paid Ordinary Shares GSCO 1/15/2026 N/A 2,000 Fully Paid Ordinary Shares GSCO 1/20/2026 N/A 29,000 Fully Paid Ordinary Shares GSCO 1/22/2026 N/A 10,000 Fully Paid Ordinary Shares GSCO 1/23/2026 10,014 10,000 Fully Paid Ordinary Shares GSCO 1/23/2026 N/A 15,620 Fully Paid Ordinary Shares ASX Form 603 8 GSCO 1/26/2026 N/A 30,240 Fully Paid Ordinary Shares GSCO 1/27/2026 N/A 115,140 Fully Paid Ordinary Shares GAUS 1/28/2026 5,840 5,869 Fully Paid Ordinary Shares GSCO 1/28/2026 N/A 218,180 Fully Paid Ordinary Shares GSCO 1/28/2026 N/A 50,000 Fully Paid Ordinary Shares GAUS 1/29/2026 5,475 5,951 Fully Paid Ordinary Shares GAUS 1/29/2026 4,464,286 4,464,286 Fully Paid Ordinary Shares GSCO 1/30/2026 N/A 122,120 Fully Paid Ordinary Shares GSCO 1/30/2026 N/A 12,000 Fully Paid Ordinary Shares GSCO 2/2/2026 N/A 145,400 Fully Paid Ordinary Shares GSCO 2/2/2026 N/A 2,100 Fully Paid Ordinary Shares GSCO 2/3/2026 N/A 38,000 Fully Paid Ordinary Shares GSCO 2/4/2026 N/A 10,000 Fully Paid Ordinary Shares GAUS 2/5/2026 168,990 178,825 Fully Paid Ordinary Shares GAUS 2/5/2026 28,363 32,400 Fully Paid Ordinary Shares GSCO 2/5/2026 N/A 36,100 Fully Paid Ordinary Shares GSCO 2/5/2026 N/A 36,000 Fully Paid Ordinary Shares GSCO 2/5/2026 N/A 2,000 Fully Paid Ordinary Shares GAUS 2/6/2026 1,063,235 1,300,275 Fully Paid Ordinary Shares GAUS 2/6/2026 13,982 17,045 Fully Paid Ordinary Shares GSCO 2/6/2026 N/A 17,420 Fully Paid Ordinary Shares GSCO 2/6/2026 N/A 44,000 Fully Paid Ordinary Shares GAUS 2/9/2026 12,478 14,015 Fully Paid Ordinary Shares GAUS 2/9/2026 1,267,553 1,393,681 Fully Paid Ordinary Shares GSCO 2/9/2026 N/A 2,120 Fully Paid Ordinary Shares GAUS 2/10/2026 34,670 36,408 Fully Paid Ordinary Shares GAUS 2/10/2026 1,097,240 1,156,572 Fully Paid Ordinary Shares GSCO 2/10/2026 N/A 60,000 Fully Paid Ordinary Shares GSCO 2/10/2026 N/A 700 Fully Paid Ordinary Shares THE GOLDMAN SACHS GROUP, INC AND ITS SUBSIDIARIES Signature Print name Rahail Patel (signing under power of attorney in accordance with section 52A of the Corporations Act 2001 (Cth)) Capacity Authorised Person Sign here Date 12 February 2026