WORLEY LIMITED — Director's Dealing 2007

Oct 16, 2007

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	John Grill
Date of last notice	9 March 2007

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	16 October 2007
No. of securities held prior to change	A. Ordinary shares = 3,578,960 – John Grill 28,306,982 – Wilaci Pty Ltd 1,053,136 – Evenrose Pty Ltd B. Performance Rights = 294,708
Class	Ordinary Shares
Number acquired	163,551
Number disposed	Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Nil
No. of securities held after change	A. Ordinary Shares = 3,742,511 – John Grill 28,306,982 –Wilaci Pty Ltd 1,053,136 – Evenrose Pty Ltd B. Performance Rights = 131,157

Appendix 3Y Change of Director’s Interest Notice

Nature of change Exercise of Performance Rights granted in the Example: on-market trade, off-market trade, exercise of options, issue of 2005 Financial Year, exercisable in September securities under dividend reinvestment plan, participation in buy-back 2007 and allocated as 163,551 Ordinary Shares on 16 October 2007.

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

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	David Joseph Housego
Date of last notice	9 March 2007

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	16 October 2007
No. of securities held prior to change	A. Ordinary shares = 157,582 B. Performance Rights = 126,668
Class	Ordinary Shares
Number acquired	70,093
Number disposed	Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation	Nil
No. of securities held after change	A. Ordinary Shares = 227,675 B. Performance Rights = 56,575

Appendix 3Y Change of Director’s Interest Notice

Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back	Exercise of Performance Rights granted in the 2005 Financial Year, exercisable in September 2007 and allocated as 70,093 Ordinary Shares on 16 October 2007.

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 4