WORLEY LIMITED — Director's Dealing 2008

Oct 12, 2008

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Level 7, 116 Miller Street North Sydney NSW 2060 Australia Telephone +61 2 8923 6866 Facsimile +61 2 8923 6877 www.worleyparsons.com WorleyParsons Ltd ABN 17 096 090 158

13 October 2008

Manager, Company Announcements Office Australian Securities Exchange Limited Level 4, Exchange Centre 20 Bridge Street SYDNEY NSW 2000

Dear Sir/Madam

WORLEYPARSONS LIMITED (WOR) CHANGE OF DIRECTOR’S INTEREST NOTICE (APPENDIX 3Y)

The attached Appendix 3Y replaces the Appendix 3Y lodged by WOR on 3 October 2008 in respect to US resident director Mr William Hall. The Appendix 3Y lodged on 3 October 2008 inadvertently did not include the shares disposed of by WOR on behalf of Mr Hall to meet withholding tax obligations which arose on vesting of his performance rights.

Yours faithfully WorleyParsons

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Peter Janu Company Secretary & Corporate Legal Counsel

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

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.

Introduced 30/9/2001.

Name of entity	WorleyParsons Limited
ABN	17 096 090 158

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director	William E Hall
Date of last notice	7 April 2008

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest	Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.	N/A
Date of change	30 September 2008
No. of securities held prior to change	Ordinary shares: Trustee of The Hall Family Trust = 16,138 Performance Rights = 90,635
Class	Ordinary Shares
Number acquired	a. 47,788
Number disposed	b. 21,518
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	a. Nil b. $666,175.76
No. of securities held after change	Ordinary shares: William E Hall = 26,270 Trustee of The Hall Family Trust = 16,138 Performance Rights = 42,847

Appendix 3Y Change of Director’s Interest Notice

Nature of change a. Vesting and exercise of Performance Rights Example: on-market trade, off-market trade, exercise of options, issue of granted in the 2006 Financial Year and issued securities under dividend reinvestment plan, participation in buy-back as Ordinary Shares. b. Shares sold by the Company on behalf of Mr Hall permitted in accordance with the Plan rules to meet withholding tax obligations on vesting of his Performance Rights.

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract Nature of interest Name of registered holder (if issued securities) Date of change No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed Interest acquired Interest disposed Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation Interest after change

• See chapter 19 for defined terms.

Appendix 3Y Page 2