SANTOS LIMITED — Share Issue/Capital Change 2012

APPENDIX 3B

New issue announcement, application for quotation of additional securities and agreement

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Name of entity SANTOS LTD

ABN

80 007 550 923

ASX: STO

We (the entity) give ASX the following information.

Part 1 – All issues

• 1 Class of securities issued or to be issued

• 2 Number of securities issued or to be issued (if known) or maximum number which may be issued.

• 3 Principal terms of the securities (eg, if options, exercise price and expiry date; if partly paid securities, the amount outstanding and due dates for payment; if convertible securities, the conversion price and dates for conversion)

• 4 Do the securities rank equally in all respects from the date of allotment with an existing class of quoted securities?

Fully paid ordinary shares 5,720 Consistent with all other shares on issue, but subject to further restrictions on dealing. Yes, the new shares rank equally in all respects with other fully paid ordinary shares.

If the additional securities do not rank equally, please state:

• the date from which they do

• the extent to which they participate for the next dividend, (in the case of a trust, distribution) or interest payment

• the extent to which they do not rank equally, other than in relation to the next dividend, distribution or interest payment

• 5 Issue price or consideration 6 Purpose of the issue (If issued as consideration for the acquisition of assets, clearly identify those assets)

Nil Issue of 5,252 shares on the vesting of Share Acquisition Rights (SARs) granted pursuant to the Santos Employee Share Purchase Plan. Issue of 468 shares in respect of vesting of Share Acquisition Rights issued pursuant to the ShareMatch Plan.

Appendix 3B (b) 10.09.12

New issue announcement, application for quotation of additional securities and agreement

• 7 Dates of entering securities into uncertificated holdings or despatch of certificates

• 8 Number and class of all securities quoted on ASX ( including the securities in clause 2 if applicable)

• 9 Number and class of all securities not quoted on ASX (including the securities in clause 2 if applicable)

• 10 Dividend policy (in the case of a trust, distribution policy) on the increased capital (interests)

Part 2 – Bonus issue or pro rata issue NOT APPLICABLE

• 11 Is security holder approval required?

• 12 Is the issue renounceable or non-renounceable?

• 15 Record date to determine entitlements 16 Will holdings on different registers (or subregisters) be aggregated for calculating entitlements?

• 17 Policy for deciding entitlements in relation to fractions

• 18 Names of countries in which the entity has security holders who will not be sent new issue documents

• 19 Closing date for receipt of acceptances or renunciations

• 20 Names of any underwriters 21 Amount of any underwriting fee or commission 22 Names of any brokers to the issue

New issue announcement, application for quotation of additional securities and agreement

Part 3 – Quotation of securities

You need only complete this section if you are applying for quotation of securities

34 Type of securities

(tick one)

(a) Securities described in Part 1 (b)  All other securities

Example: restricted securities at the end of the escrowed period, partly paid securities that become fully paid, employee incentive share securities when restriction ends, securities issued on expiry or conversion of convertible securities.

New issue announcement, application for quotation of additional securities and agreement

Entities that have ticked box 34(a)

Additional securities forming a new class of securities

Tick to indicate you are providing the information or documents

• 35 If the securities are equity securities, the names of the 20 largest holders of the additional securities, and the number and percentage of additional securities held by those holders

36 If the securities are equity securities, a distribution schedule of the additional securities setting out the number of holders in the categories

1 – 1,000 1,001 – 5,000 5,001 – 10,000 10,001 – 100,000 100,001 – and over

• 37 A copy of any trust deed for the additional securities

Entities that have ticked box 34(b)

• 38 Number of securities for which quotation is sought

38 Number of securities for which quotation is 5,720 sought 39 Class of securities for which quotation is sought Fully paid ordinary shares 40 Do the securities rank equally in all respects Yes from the date of allotment with an existing class of quoted securities? If the additional securities do not rank equally, please state:  the date from which they do  the extent to which they participate for the next dividend, (in the case of a trust, distribution) or interest payment  the extent to which they do not rank equally, other than in relation to the next dividend, distribution or interest payment 41 Reason for request for quotation now End of restriction period for 5,252 shares issued on the vesting of Share Acquisition Example: In the case of restricted securities, end of Rights (SARs) pursuant to the Santos restriction period Employee Share Purchase Plan and 468 shares in respect of vesting of Share (if issued upon conversion of another security, Acquisition Rights issued pursuant to the clearly identify that other security) ShareMatch Plan.

New issue announcement, application for quotation of additional securities and agreement

New issue announcement, application for quotation of additional securities and agreement

Quotation Agreement

1. Quotation of our additional securities is in ASX’s absolute discretion. ASX may quote the securities on any conditions it decides.

2. We warrant the following to ASX.

   • The issue of the securities to be quoted complies with the law and is not for an illegal purpose.

   • There is no reason why those securities should not be granted quotation.

   • An offer of the securities for sale within 12 months after their issue will not require disclosure under section 707(3) or section 1012C(6) of the Corporations Act. Note: An entity may need to obtain appropriate warranties from subscribers for the securities in order to be able to give this warranty.

   • Section 724 or section 1016E of the Corporations Act does not apply to any applications received by us in relation to any securities to be quoted and that no-one has any right to return any securities to be quoted under sections 737, 738 or 1016F of the Corporations Act at the time that we request that the securities be quoted.

   • If we are a trust, we warrant that no person has the right to return the securities to be quoted under section 1019B of the Corporations Act at the time that we request that the securities be quoted.

3. We will indemnify ASX to the fullest extent permitted by law in respect of any claim, action or expense arising from or connected with any breach of the warranties in this agreement.

4. We give ASX the information and documents required by this form. If any information or document not available now, will give it to ASX before quotation of the securities begins. We acknowledge that ASX is relying on the information and documents. We warrant that they are (will be) true and complete.

Sign here:

Date: 10 September 2012

Secretary

Print name: DAVID THUAN JIN LIM