Oklo Resources : Notification of Expiry of Listed Options

26th MAY 2017

Oklo Resources Limited ("Oklo" or "the Company") advises that the attached letter has been sent to holders of listed options (ASX: OKUO) exercisable at $0.125 on or before 30 June 2017, as notification of the expiry of their options on 30 June 2017.

The last date of quotation of OKUO options on ASX will be Monday, 26 June 2017.

- ENDS -

For further information, please contact: Louisa Martino

Company Secretary

T: +61 2 8319 9233

E: lyouens@okloresources.com

ABN 53 121 582 607

OKU

*L000001*

MR SAM SAMPLE 123 SAMPLE STREET

SAMPLETOWN VIC 3000

26 May 2017

Dear Option Holder

YOUR LISTED OPTIONS TO ACQUIRE OKLO RESOURCES LIMITED SHARES AT $0.125 PER SHARE EXPIRE ON 30 JUNE 2017

We are writing to you as a registered holder of listed options i

Oklo Resources Limited (exercisable at $0.125 on or before

30/06/2017) (Options) to remind you that the Options will expire at 5:00pm (WST) on 30/06/2017. The last date of quotation of the Options on the Australian Securities Exchange (ASX) (ASX: OKUO) will be Monday, 26 June 2017.

Your Option holding may be exercised in whole or in part by payment of $0.125 for each Option by no later than 30/06/2017. f

payment is not received by 5:00pm (WST) on 30/06/2017 the Options will lapse and all rights under the Options will cease at that time.

The courses of action available to you as a holder of these soon to expire Options are:

1. Exercise the Options on or before 5.00pm (WST) on 30/06/2017.

2. Do nothing (i.e. allow your Options to expire). If you do not exercise or sell your Options they will expire on 30/06/2017 and your right to subscribe for ordinary shares in Oklo Resources Limited at $0.1 5 per share will lapse.

There is no obligation on Option holders to exercise their Options. However, under paragraph 6.1 of Appendix 6A of ASX Listing Rules, the Company is required to advise Option holders of the information contained in thhis notice.

The last market sale price of ordinary shares in Oklo Resources Limited on ASX was $0.22 as at close of trading on 25 May 2017.

During the three (3) months preceding the date of this notice:

• the highest market sale price of ordinary shares on ASX was $0.35 on 28/03/2017; and

• the lowest market sale price of ordinary shares on ASX was $0.19 on 02/03/2017 and 03/03/2017.

If you wish to exercise your Options, submit payment of $0.125 per Option in accordance with the i structions on the Option Expiry Notice. Your payment (in clear fund ) must be received no later than 5:00pm (WST) on 30/06/2017.

An Option Expiry Notice is enclosed for any option holder who may have misplaced their original form.

Yours Faithfully

Louisa Martino

Company Secretary

916CR_0_Sample_CA/000001/000001

ABN 53 121 582 607

For all enquiries:

Phone:

(within Australia) 1300 850 505

(outside Australia) 61 3 9415 4000

Web:

www.investorcentre.com

*M000001Q02*

OKU

MR SAM SAMPLE 123 SAMPLE STREET

SAMPLETOWN VIC 3000

Make your payment:

See overleaf for details of the Offer and how to make your payment

Option Expiry Notice

 Options exercisable at A$0.125 expiring at 5.00pm (WST) on Friday 30 June 2017

This is an important document that requires your immediate attention.

It can only be used in relation to the Optionholding represented by the details printed overleaf. If you are in doubt about how to deal with this form, please contact your financial or other professional adviser.

You are reminded that the Options to subscribe for Fully Paid Ordinary Shares in the capital of Oklo Resources Limited registered in your name expire at 5.00pm (WST) on Friday 30 June 2017. These Options are exercisable wholly or in part by the payment of A$0.125 for each Option exercised. Payment must be received at the address overleaf by 5.00pm (WST) on Friday 30 June 2017. For every one Option exercised, the Optionholder will be issued one Fully Paid Ordinary Share in the capital of Oklo Resources Limited.

Quotation of the Options ends at close of trading on Monday 26 June 2017. Options not exercised by 5.00pm (WST) on Friday 30 June 2017 will lapse.

Step 1: Registration Name & Offer Details

Please check the details provided and update your address via www.investorcentre.com if any of the details are incorrect.

If you have a CHESS sponsored holding, please contact your Controlling Participant to notify a change of address.

Step 2: Make Your Payment

You can exercise either all or some of your Options. Enter the number of Options you wish to exercise and the amount of payment for those exercised Options.

Turn over for details of the Offer è

Choose one of the payment methods shown below.

BPAY®: See overleaf. Do not return the payment slip if making payment by BPAY.

By Mail: Complete the reverse side of the payment slip and detach and return with your payment. Make your cheque, bank draft or money order payable in Australian dollars to "Oklo Resources Limited" and cross "Not Negotiable". The cheque must be drawn from an Australian bank. Cash is not accepted.

Payment will be processed on the day of receipt and as such, sufficient cleared funds must be held in your account as cheques cannot be re-presented and may result in your Form being rejected. Paperclip (do not staple) your cheque(s) to the payment slip.

Receipts will not be forwarded. Funds cannot be debited directly from your account.

Entering your contact details is not compulsory, but will assist us if we need to contact you.

Recent Fully Paid Ordinary Share Prices on Australian Securities Exchange

The latest available market sale price of the Fully Paid Ordinary Shares was $0.22 on 25 May 2017. The highest sale price in the previous 3 months is $0.35 on 28 March 2017.

The lowest sale price in the previous 3 months is $0.19 on 2 March 2017 and 3 March 2017.

Oklo Resources Limited Option Expiry Notice

Payment must be received by 5.00pm (WST) on Friday 30 June 2017

® Registered to BPAY Pty Limited ABN 69 079 137 518

916CR_0_Sample_CA/000001/000002/i

X 9999999991

I ND

STEP 1

Registration Name:

MR SAM SAMPLE 123 SAMPLE STREET

SAMPLETOWN VIC 3000

Entitlement No: 12345678

Offer Details:

Number of Options (ASX code: OKUO) registered in your name as at 24 May 2017:

Amount payable on full exercise of Options at A$0.125 per Option:

Number of Fully Paid Ordinary Shares to be issued on full exercise:

STEP 2 Make Your Payment

Biller Code: 267443

Ref No: 1234 5678 9123 4567 89

Contact your financial institution to make your payment from your cheque or savings account.

Lodgement of Acceptance



Make your cheque, bank draft or money order payable to "Oklo Resources Limited" and cross "Not Negotiable".

Return your cheque, bank draft or money order with the payment slip to:

Oklo Resources Limited

c/- Computershare Investor Services Pty Limited GPO BOX 505 Melbourne Victoria 3001 Australia

If you are exercising your Options and your payment is being made by BPAY, you do not need to return the payment slip. Your payment must be received by no later than 3.00pm (WST) on Friday 30 June 2017. Applicants should be aware that their own financial institution may implement earlier cut off times with regards to electronic payment, and should therefore take this into consideration when making payment. Neither Computershare Investor Services Pty Limited ("CIS") nor Oklo Resources Limited accepts any responsibility for loss incurred through incorrectly completed BPAY payments. It is the responsibility of the applicant to ensure that funds submitted through BPAY are received by this time.

If you are paying by cheque, bank draft or money order the payment slip must be received by CIS by no later than 5.00pm (WST) on Friday 30 June 2017. You should allow sufficient time for this to occur. A reply paid envelope is enclosed for shareholders in Australia. Shareholders outside Australia will need to affix the appropriate postage.

Neither CIS nor the Company accepts any responsibility if you lodge the payment slip at any other address or by any other means.

Privacy Notice

The personal information you provide on this form is collected by CIS, as registrar for the securities issuers (the issuer), for the purpose of maintaining registers of securityholders, facilitating distribution payments and other corporate actions and communications. In addition, the issuer may authorise us on their behalf to send you marketing material or include such material in a corporate communication. You may elect not to receive marketing material by contacting CIS using the details provided overleaf or emailing privacy@computershare.com.au. We may be required to collect your personal information under the Corporations Act 2001 (Cth) and ASX Settlement Operating Rules. We may disclose your personal information to our related bodies corporate and to other individuals or companies who assist us in supplying our services or who perform functions on our behalf, to the issuer for whom we maintain securities registers or to third parties upon direction by the issuer where related to the issuer's administration of your securityholding, or as otherwise required or authorised by law. Some of these recipients may be located outside Australia, including in the following countries: Canada, India, New Zealand, the Philippines, the United Kingdom and the United States of America. For further details, including how to access and correct your personal information, and information on our privacy complaints handling procedure, please contact our Privacy Officer at privacy@computershare.com.au or see our Privacy Policy at http://www.computershare.com/au.

Detach here

Number of Options exercised:

Amount enclosed at A$0.125 per Option exercised:

A$ .

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Entitlement No: 12345678

Payment must be received by 5.00pm (WST) on Friday 30 June 2017

MR SAM SAMPLE 123 SAMPLE STREET

SAMPLETOWN VIC 3000

Contact

Daytime

Name Telephone

Drawer

Cheque Number BSB Number Account Number Amount of Cheque

123456789123456789+0000000001-3051+14