5E Advanced Materials, Inc. — Major Shareholding Notification 2026

Apr 1, 2026

Appendix 4A - Statement of CDIs on issue

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Part 1 - Entity and announcement details

1.1 Name of +Entity

5E ADVANCED MATERIALS INC.

1.2 Registered Number Type

ARBN

Registration Number 655137170

1.3 ASX issuer code

5EA

1.4 The announcement is

New announcement 1.5 Date of this announcement

2/4/2026

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Appendix 4A - Statement of CDIs on issue

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Part 2 - Details of +CDIs and other +securities on issue

2.1 Statement for month and year

March-2026

2.2a Number and class of all +CDIs issued over quoted +securities

ASX Security Code and Description +CDI Ratio 5EA : CHESS DEPOSITARY INTERESTS 10:1 10:1 Total number of +CDIs issued over Total number of +CDIs issued over Net Difference (A-B) quoted +securities at end of quoted +securities at end of previous 267,990 statement month (A): month (B): 17,745,830 17,477,840

Reason for change:

Common stock

Net transfers of securities between CDIs and

as quoted / held on

Nasdaq

If the total number of +CDIs issued over quoted +securities at the end of the statement month, is greater than the total number of +CDIs issued over quoted +securities for which the entity has previously paid an initial listing fee or an additional listing fee under Table 1A and 1C of Guidance Note 15A, the entity hereby applies for +quotation of the relevant securities and agrees to the matters set out in Appendix 2A of the ASX Listing Rules.

2.2b Number and class of all +securities on issue over which +CDIs have not been issued

ASX Security Code and Description

5EAAO : COMMON STOCK

Total number of +securities at end of Total number of +securities at end of Net Difference (A-B) statement month (A) previous month (B) -26,799 39,737,300 39,764,099

Reason for change:

Change represents 26,799 decrease due to net transfers from Nasdaq (common stock) to CDIs during March 2026.

ASX Security Code and Description

5EAAP : 10:1 CDI EQUIVALENT TO 5EAAO

Total number of +securities at end of Total number of +securities at end of Net Difference (A-B) statement month (A) previous month (B) -267,990 397,373,000 397,640,990

Reason for change:

Change represents decrease for 26,799 for transfers of common stock to CDIs (267,990 CDI equivalents) during March 2026.

ASX Security Code and Description

5EAAS : RESTRICTED SHARE UNITS

Total number of +securities at end of Total number of +securities at end of Net Difference (A-B) statement month (A) previous month (B) 43,092 198,083 154,991

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Appendix 4A - Statement of CDIs on issue

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Reason for change:

Increase pursuant to 3G lodged 1 April 2026 for RSUs issued on 31 March 2026.

ASX Security Code and Description

5EAAT : PERFORMANCE SHARE UNITS

Total number of +securities at end of	Total number of +securities at end of	Net Difference (A-B)
statement month (A)	previous month (B)	0
238,423	238,423
ASX Security Code and Description
5EAAW : OPTION EXPIRING 24-APR-2033 EX USD 177.68
Total number of +securities at end of	Total number of +securities at end of	Net Difference (A-B)
statement month (A)	previous month (B)	0
17,391	17,391
ASX Security Code and Description
5EAAX : OPTION EXPIRING 01-AUG-2027 EX USD 29.21
Total number of +securities at end of	Total number of +securities at end of	Net Difference (A-B)
statement month (A)	previous month (B)	0
24,999	24,999
ASX Security Code and Description
5EAAY : OPTION EXPIRING 01-AUG-2027 EX USD 23.69
Total number of +securities at end of	Total number of +securities at end of	Net Difference (A-B)
statement month (A)	previous month (B)	0
10,868	10,868
ASX Security Code and Description
5EAAZ : WARRANTS
Total number of +securities at end of	Total number of +securities at end of	Net Difference (A-B)
statement month (A)	previous month (B)	0
3,280,116	3,280,116
ASX Security Code and Description
5EAAAA : OPTION EXPIRING 21-MAY-2029 EX USD 6.27
Total number of +securities at end of	Total number of +securities at end of	Net Difference (A-B)
statement month (A)	previous month (B)	0
583,085	583,085

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