Exhibit 99.4
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 Louis GRIES  
 
 
       
           
 
Date of last notice
    21 August 2009  
 
 
       
           
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
    Not applicable          
 
(including registered holder)
               
 
Note: Provide details of the circumstances giving rise to the relevant interest.
               
 
 
               
           
 
Date of change
    Not applicable          
 
 
               
           
 
No. of securities held prior to change
    Not applicable          
 
 
               
           
 
Class
    Not applicable          
 
 
               
           
 
Number acquired
    Nil          
 
 
               
           
 
Number disposed
    Nil          
 
 
               
           
 
Value/Consideration
    Not applicable          
 
Note: If consideration is non-cash, provide details and estimated valuation
               
 
 
               
           

Page 1 of 2


 

                   
           
  No. of securities held after change     No change. Current relevant interest in securities is:  
 
 
               
          193,336 fully paid ordinary shares/CUFS registered in the name of the Director; and  
 
 
               
          3,652,347 options over unissued ordinary fully paid shares/CUFS comprising:  
 
 
               
 
 
        o   974,347 options under the 2001 Equity Incentive Plan;  
 
 
               
 
 
        o   1,000,000 options under the Managing Board Transitional Stock Option Plan;  
 
 
               
 
 
        o   860,000 options (ROCE) under the 2006 JHINV Long Term Incentive Plan; and  
 
 
               
 
 
        o   818,000 options (TSR) under the 2006 JHINV Long Term Incentive Plan.  
 
 
               
           
  Nature of change     Not applicable  
 
Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back
               
 
 
               
           
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     Restricted Stock Units (RSUs) are contractual entitlements to be issued ordinary shares/CUFS upon satisfaction of certain conditions.  
 
 
           
           
  Name of registered holder     Louis Gries  
 
(if issued securities)
           
 
 
           
           
  Date of change     15 September 09 (US time)  
 
 
           
           
  No. and class of securities to which interest related prior to change     558,708 Relative TSR RSUs  
 
Note: Details are only required for a contract in relation to which the interest has changed
           
 
 
           
           
  Interest acquired     234,900 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 2009 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     Current interests in contracts are:  
 
 
           
 
 
      793,608 Relative TSR RSUs;  
 
 
           
 
 
      201,324 Deferred Bonus RSUs; and  
 
 
           
 
 
      487,446 Executive Incentive Program RSUs.  
 
 
           
           

Page 2 of 2