Exhibit 99.3
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 James Hardie Industries N.V.
	ARBN 097 829 895 Incorporated in The Netherlands. The liability of members is limited.

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			Mr Robert Ernest COX
	Date of last notice			13 May 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			Not applicable.
	Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.			Not applicable.
	Date of change			N
	No. of securities held prior to change			Nil
	Class			Not applicable.
	Number acquired			Nil
	Number disposed			Nil
	Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation			Not applicable.

+ See chapter 19 for defined terms.
11/3/2002		Appendix 3Y    Page 1

Appendix 3Y
Change of Director’s Interest Notice

	No. of securities held after change			Nil
	Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back			Not applicable.

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			Not applicable.
	Nature of interest			See below.
	Name of registered holder (if issued securities)			Not applicable.
	Date of change			15 September 2008
	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			Not applicable.
	Interest acquired			155,196 Relative TSR Restricted Stock Units. These Restricted Stock Units are subject to a single TSR based hurdle measured over a performance period of 3 to 5 years from the grant date. They are granted pursuant to the 2006 JHINV Long Term Incentive Plan, as approved by shareholders at the 2008 Annual General Meeting.
	Interest disposed			Not applicable.
	Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation			No cash consideration was paid for the Restricted Stock Units.
	Interest after change			155,196 Relative TSR Restricted Stock Units.

+ See chapter 19 for defined terms.
11/3/2002		Appendix 3Y   Page 2