WHITEHAWK LIMITED — Capital/Financing Update 2025

Apr 6, 2025

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FOR IMMEDIATE RELEASE 7 April 2025

Notification of Expiry of Quoted Options

Perth, WA and Alexandria, VA – WhiteHawk Limited (ASX: WHK) ("WhiteHawk" or "the Company"), the first global online cybersecurity exchange enabling businesses to mitigate cyber risks effectively, advises that 74,722,197 listed options “WHKO” exercisable at $0.0275 each will expire at 5:00pm (WST) on 8 May 2025 ( Expiry Date ). The listed options must be exercised on or before the Expiry Date, otherwise the options will expire.

Official quotation of the WHKO on ASX will cease at close of trading on Friday, 2 May 2025, being four business days before the Expiry Date.

Enclosed is a copy of the letter together with a personalised exercise form sent to all eligible option holders in respect of the exercise and expiry of the listed options.

-ENDS-

Authorized for release by Terry Roberts (Chief Executive Officer and Executive Chair).

For more information:

Media inquiries (USA) Investor inquiries (AUS) Institutional Inquiries WhiteHawk WhiteHawk Viaticus Capital Marketing & Communications Company Secretary Principal Morgan Goodale Mindy Ku Gavin Rezos publicrelations@whitehawk.com investors@whitehawk.com grezos@viaticuscapital.com +1 571 236-8526 +61 433 775510 +447447560303

About WhiteHawk LTD (WHK)

Launched with financing in 2018, WhiteHawk developed the first cloud, AI/ML based cyber risk monitoring, prioritization and mitigation online cybersecurity exchange, democratizing access for all companies and organizations to address their Digital Age Risks and those of their suppliers/vendors, continuously and cost-effectively. For more information, visit www.whitehawk.com.

WhiteHawk Limited Level 28 140 St George Tce Perth WA 6000 Tel : +61 8 6311 4636, Fax : +61 8 6311 4661 ABN: 97 620 459 823 www.whitehawk.com

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7 April 2025

Dear Option Holder,

WHITEHAWK NOTIFICATION OF EXPIRY OF LISTED OPTIONS

You currently hold listed options ( Options ) in WhiteHawk Limited ( WhiteHawk or the Company ). These Options are exercisable at $0.0275 each and will expire at 5:00pm (WST) on Thursday, 8 May 2025 (Expiry Date) .

There is no obligation to exercise the Options. The courses of action available to you as a holder of these soon to expire Options are:

1. Exercise all, or a portion of your Options

To exercise, complete the ‘Application Form on Exercise of Listed Options Expiring 8 May 2025’ in full, sign and email the completed form together with the payment confirmation slip to mku@corpbservices.com. Exercise of the Options will be completed and processed in accordance with the Terms of Options set out on the back of the Application Form. Payment can be made by EFT payable to WhiteHawk Limited. If you choose to exercise, please do not leave it to the last moment, to avoid cut off dates and times.

2. Sell your Options

Please note that official quotation of the Options on the Australian Securities Exchange ( ASX ) will cease at close of trading on Friday, 2 May 2025, being four (4) business days before the Expiry Date. You may endeavour to sell your Options up to this date and time.

3. Do nothing and allow your Options to expire

If you choose to do nothing, your Options will expire at 5:00pm (WST) on Thursday, 8 May 2025.

Additional information on the Company’s performance :

1. The last traded price for WhiteHawk on Wednesday, 2 April 2025 was $0.0210.

2. The highest and lowest market price for WhiteHawk shares during the 3 months immediately before this email were as follows:

3. 〉 Highest: $0.0320 on 2 April 2025

4. 〉 Lowest: $0.0010 on 31 March 2025

Further Information

The Board encourages you to consider your choices as an Option holder. An investment in WhiteHawk should be considered speculative and you should consult professional advisers before deciding on the action that best suits your individual circumstances. If you require more information on how to exercise your Options, please contact me at investors@whitehawk.com .

Regards Mindy Ku Company Secretary

WhiteHawk Limited Level 28 140 St Georges Tce Perth WA 6000 Tel : +61 8 6311 4636, Fax : +61 8 6311 4661 ABN: 97 620 459 823 www.whitehawk.com

WhiteHawk Limited Level 28, 140 St Georges Terrace Perth WA 6000

Tel: +61 (8) 6311 4636 Fax: +61 (8) 6311 4661

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WHKO

MR SAM SAMPLE FLAT 123 123 SAMPLE STREET THE SAMPLE HILL SAMPLE ESTATE SAMPLEVILLE VIC 3030

X 9999999990

Use a black pen. Where a choice is required, Print in CAPITAL letters A B C 1 2 3 mark the box with an ‘X’ X inside the grey areas. Exercise of Options Notice Options exercisable at A$0.0275 per Option expiring on 5PM WST on 8 May 2025 These Options are exercisable wholly or in part by the payment of the price above for each Option exercised. Payment has to be received at the address overleaf, by the time and date stated above. For every one Option exercised, the Optionholder will be allotted one Fully Paid Ordinary Share in the capital of WhiteHawk Limited. To be completed by the Optionholder I/We enclose my/our payment for the amount shown below. To the Directors WhiteHawk Limited I/We the abovementioned being the registered holder(s) of the Options, hereby exercise my/our option for Fully Paid Ordinary Share in WhiteHawk Limited and I/we request you allot to me/us and I/we agree to be bound by the Constitution of the Company. Number of Options to be exercised Amount enclosed at A$0.0275 per Option Payment details - Make your EFT payable to WhiteHawk Limited Refer overleaf for details on payment by Electronic Funds Transfer (EFT) Sign Here - This section must be signed for your instructions to be executed Individual or Optionholder 1 Optionholder 2 Optionholder 3 Sole Director and Sole Company Secretary Director/Company Secretary Director

These Options are exercisable wholly or in part by the payment of the price above for each Option exercised. Payment has to be received at the address overleaf, by the time and date stated above. For every one Option exercised, the Optionholder will be allotted one Fully Paid

I/We the abovementioned being the registered holder(s) of the Options, hereby exercise my/our option for Fully Paid Ordinary Share in WhiteHawk Limited and I/we request you allot to me/us and I/we agree to be bound by the Constitution of the Company. Number of Options to be exercised Amount enclosed at A$0.0275 per Option

Payment details - Make your EFT payable to WhiteHawk Limited Refer overleaf for details on payment by Electronic Funds Transfer (EFT)

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The directors reserve the right to make amendments to this form where appropriate. Refer to lodgement instructions overleaf. This form may not be used to effect a change of address. Please contact Computershare Investor Services Pty Limited on 1300 850 505, or online via the Investor Centre found at www.investorcentre.com/au

See back of form for completion guidelines

Optionholder 3 Director

WHKO

7_sam_999999/000001/000002/i

How to complete this form

Exercise your Options in full or part

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Registration Name(s)

Signature(s)

All securities resulting from the exercise of options will be registered in the name(s) printed on the front of this Exercise of Options Notice.

You must sign the form as follows in the space provided: Individual: where the holding is in one name, the Optionholder must sign. Joint holding: the holding is in more than one name all of the Optionholders must sign.

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Options Exercised

Power of Attorney: to sign under Power of Attorney, you must have already lodged this document with the registry. Alternatively, attach an originally certified copy of the Power of Attorney to this form when you return it. Companies: this form must be signed by either 2 Directors or a Director and a Company Secretary. Alternatively, where the company has a Sole Director and, pursuant to the Corporations Act, there is no Company Secretary, or where the Sole Director is also the Sole Company Secretary, that Director may sign alone. Delete titles as applicable.

Enter the number of Options you wish to exercise.

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Exercise Moneys

Enter the amount of exercise moneys. To calculate the amount payable, multiply the number of Options exercised by the exercise price.

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Payment

Make your Electronic F u nds Transfer (EFT) payable to WhiteHawk Limited in Australian currency and cross it Not Negotiable. Complete the payment details in the boxes provided. The total amount must agree with the amount shown in box B.

Deceased Estate: all executors must sign and, if not already noted by the registry, a certified copy of Probate or Letters of Administration must

accompany this form.

Sufficient cleared funds must be held in your account as payment returned unpaid may not be re-presented and may result in your Exercise of Options Notice being rejected. Cash will not be accepted. Receipt for payment will not be forwarded. If you are in any doubt as to how to deal with this document, please consult your Financial or other Personal Advisor. Lodgement of Notice The Exercise of Options Notice must be received at the email address below by no later than 5:00pm WST on 8 May 2025. Make payment via EFT using the below account details: Bank Name: ANZ Account Name: WhiteHawk Limited BSB: 016-498 Account Number: 414 811 217 Please include the SRN noted on this Notice as reference for the payment. Return the completed Exercise of Options Notice to the Company via email at investors@whitehawk.com or by mail to: WhiteHawk Limited PO Box 1227, West Perth WA 6872

If you are in any doubt as to how to deal with this document, please consult your Financial or other Personal Advisor.

If you have any enquiries concerning your Optionholding, please contact Computershare Investor Services Pty Limited on 1300 850 505. Lodgement of Notice The Exercise of Options Notice must be received at the email address below by no later than 5:00pm WST on 8 May 2025.

Please include the SRN noted on this Notice as reference for the payment. Return the completed Exercise of Options Notice to the Company via email at investors@whitehawk.com or by mail to:

The completed Exercise of Options Notice must be received to allow processing.

Neither Computershare Investor Services Pty Limited nor WhiteHawk Limited accepts any responsibility if this Options Notice is lodged at any other address or by any other means.