Announcement PDF 603 page 1/2 15 July 2001 Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme Strike Energy Limited ACN/ARSN 078 012 745 1. Details of substantial holder (1) Name ACN/ARSN (if applicable) Vanguard Group (The Vanguard Group, Inc. and its controlled entities including those listed in Annexure A) N/A The holder became a substantial holder on 15 December 2023 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) Ordinary Number of securities 127,063,924 Person’s votes (5) 127,063,924 Voting power (6) 5.004% 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 Vanguard Group Nature of relevant interest (7) 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. Class and number of securities Ordinary – 127,063,924 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 Vanguard Group Registered holder of securities Brown Brothers Harriman Person entitled to be registered as holder (8) Various funds and other accounts of Vanguard Group Class and number of securities Ordinary – 1,059,338 Vanguard Group BNY Mellon Various funds and other accounts of Vanguard Group Ordinary – 12,623,539 Vanguard Group JP Morgan Chase Bank, N.A. State Street Bank and Trust Company Various funds and other accounts of Vanguard Group Ordinary –91,721,921 Various funds and other accounts of Vanguard Group Ordinary – 21,659,126 Vanguard Group 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 Vanguard Group Address P.O. Box 2600, V26 Valley Forge, PA 19482 USA print name sign here 2023 Shawn Acker capacity date Compliance Manager 20 December Annexure A To Company Strike Energy Limited ACN/ARSN 078 012 745 Substantial Holder Name Vanguard Group ACN/ARSN N/A Date of change Person whose relevant interest changed 23-Aug-23 The Vanguard Group, Inc. 31-Aug-23 The Vanguard Group, Inc. 15-Sep-23 The Vanguard Group, Inc. 11-Oct-23 The Vanguard Group, Inc. 13-Oct-23 The Vanguard Group, Inc. 30-Nov-23 The Vanguard Group, Inc. 15-Dec-23 The Vanguard Group, Inc. 15-Dec-23 The Vanguard Group, Inc. 15-Dec-23 The Vanguard Group, Inc. 31-Aug-23 Vanguard Investments Australia Ltd. 1-Sep-23 Vanguard Investments Australia Ltd. 11-Sep-23 Vanguard Investments Australia Ltd. 25-Sep-23 Vanguard Investments Australia Ltd. 4-Oct-23 Vanguard Investments Australia Ltd. 13-Oct-23 Vanguard Investments Australia Ltd. 16-Oct-23 Vanguard Investments Australia Ltd. 23-Oct-23 Vanguard Investments Australia Ltd. 3-Nov-23 Vanguard Investments Australia Ltd. 3-Nov-23 Vanguard Investments Australia Ltd. 22-Nov-23 Vanguard Investments Australia Ltd. 30-Nov-23 Vanguard Investments Australia Ltd. 8-Dec-23 Vanguard Investments Australia Ltd. 12-Dec-23 Vanguard Investments Australia Ltd. 14-Dec-23 Vanguard Investments Australia Ltd. 15-Dec-23 Vanguard Investments Australia Ltd. Nature of Change(6) BUY BUY BUY BUY BUY SELL BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY SELL BUY BUY BUY BUY This is Annexure A of 1 pages referred to in Form 603, Notice of initial substantial holder. Signature: Name: Shawn Acker Capacity: Compliance Manager Date: 20 December 2023 Page 1 of 1 Consideration given in relation to change(7) 0.40 0.38 0.40 0.45 0.43 0.41 0.45 0.45 0.45 0.38 0.39 0.37 0.41 0.39 0.43 0.41 0.41 0.39 0.39 0.39 0.41 0.39 0.44 0.45 0.45 Class Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Number of securities Person's votes affected affected 26,096 26,096 299,139 299,139 300,834 300,834 738,101 738,101 378,594 378,594 (253,191) (253,191) 7,342 7,342 74,928 74,928 78,870 78,870 299,565 299,565 15,364 15,364 22,992 22,992 22,959 22,959 22,938 22,938 22,914 22,914 7,638 7,638 22,980 22,980 38,520 38,520 23,112 23,112 30,748 30,748 (419,870) (419,870) 20,952 20,952 27,936 27,936 880,326 880,326 24,942 24,942