MACMAHON HOLDINGS LIMITED — Director's Dealing 2007

Oct 18, 2007

Appendix 3Y Change of Director’s Interest Notice

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	MACMAHON HOLDINGS LIMITED
ABN	93 007 634 406

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	Malcolm Alexander Kinnaird AO
Date of last notice	16 April 2007
Date of this notice	19 October 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

Direct or indirect interest	Indirect Interest
Nature of indirect interest	Maldin Superannuation Fund
(including registered holder)
Note: Provide details of the circumstances giving rise to therelevant interest.	Malcolm Alexander Kinnaird AO is JointTrustee of the Fund
Date of change	9 October 2007
	239,243 Ordinary Shares
No. of securities held prior to change	1,000,000 Non Executive DirectorsOptions
Class	Ordinary
Number acquired	3,809 Ordinary Shares
Number disposed	NIL
Value/Consideration
Note: If consideration is non-cash, provide details and estimatedvaluation	$1.27 cents per share

• See chapter 19 for defined terms.

Appendix 3Y Page 1

30/9/2001

Appendix 3Y Change of Director’s Interest Notice

245,624 Ordinary Shares No. of securities held after change 1,000,000 Non Executive Directors Options Issue of securities under dividend Nature of change Example: on-market trade, off-market trade, exercise of options, reinvestment plan in relation to the issue of securities under dividend reinvestment plan, dividend paid on 9 October 2007 participation in buy-back

Part 2 – Change of director’s interests in contracts

==> picture [433 x 318] intentionally omitted <==

----- Start of picture text ----- Detail of contract NILNature of interestName of registered holder(if issued securities)Date of changeNo. and class of securities to whichinterest related prior to changeNote: Details are only required for a contract inrelation to which the interest has changedInterest acquiredInterest disposedValue/ConsiderationNote: If consideration is non-cash, provide detailsand an estimated valuationInterest after change----- End of picture text -----

• See chapter 19 for defined terms.

Appendix 3Y Page 2

30/9/2001