Exhibit 99.8
Appendix 3C
Announcement of buy-back
Rule 3.8A
Appendix 3C
Announcement of buy-back
(except minimum holding buy-back)
Information and documents given to ASX become ASXs property and may be made public.
Introduced 1/9/99. Origin: Appendix 7B. Amended 13/3/2000, 30/9/2001, 11/01/10
| Name of entity | ABN/ARSN | |||||
|   James Hardie Industries plc 
  | 
  097 829 895 
  | 
We (the entity) give ASX the following information.
Information about buy-back
|   1  | 
  Type of buy-back  | 
  On-Market 
  | ||||
|   2  | 
  +Class of shares/units which is the subject of the buy-back (eg, ordinary/preference)  | 
  Ordinary shares/CUFS 
  | ||||
|   3  | 
  Voting rights (eg, one for one)  | 
  One for one 
  | ||||
|   4  | 
  Fully paid/partly paid (and if partly paid, details of how much has been paid and how much is outstanding)  | 
  Fully paid 
  | ||||
|   5  | 
  Number of shares/units in the +class on issue  | 
 445,037,502 
  | ||||
|   6  | 
  Whether shareholder/unitholder approval is required for buy-back  | 
  Not required 
  | ||||
|   7  | 
  Reason for buy-back  | 
  Ongoing capital management programme as announced to the ASX on 22 May 2014 
  | 
+ See chapter 19 for defined terms.
11/01/2010 Appendix 3C Page 1
Appendix 3C
Announcement of buy-back
|   8  | 
  Any other information material to a shareholders/unitholders decision whether to accept the offer (eg, details of any proposed takeover bid)  | 
  Not applicable 
  | 
On-market buy-back
|   9  | 
  Name of broker who will act on the companys behalf  | 
  To be advised later 
  | ||||
|   10 
  | 
  Deleted 30/9/2001.  | 
|||||
|   11  | 
  If the company/trust intends to buy back a maximum number of shares  that number 
 Note: This requires a figure to be included, not a percentage.  | 
  Up to 22,216,125 ordinary shares/CUFS1 
  | ||||
|   12  | 
  If the company/trust intends to buy back shares/units within a period of time  that period of time; if the company/trust intends that the buy-back be of unlimited duration  that intention  | 
  12 months 
  | ||||
|   13  | 
  If the company/trust intends to buy back shares/units if conditions are met  those conditions  | 
  Not applicable 
  | ||||
Employee share scheme buy-back
|   14  | 
  Number of shares proposed to be bought back  | 
  Not applicable 
  | ||||
|   15  | 
  Price to be offered for shares  | 
  Not applicable 
  | ||||
1 Being 5% of the issued share capital after deducting the number of shares acquired under the previous buy-back that have not yet been cancelled.
+ See chapter 19 for defined terms.
| Appendix 3C Page 2 | 11/01/2010 | 
Appendix 3C
Announcement of buy-back
Selective buy-back
|   16  | 
  Name of person or description of class of person whose shares are proposed to be bought back  | 
  Not applicable 
  | ||||
|   17  | 
  Number of shares proposed to be bought back  | 
  Not applicable 
  | ||||
|   18  | 
  Price to be offered for shares  | 
  Not applicable 
  | 
Equal access scheme
|   19  | 
  Percentage of shares proposed to be bought back  | 
  Not applicable 
  | ||||
|   20  | 
  Total number of shares proposed to be bought back if all offers are accepted  | 
  Not applicable 
  | ||||
|   21  | 
  Price to be offered for shares  | 
  Not applicable 
  | ||||
|   22  | 
  +Record date for participation in offer 
 Cross reference: Appendix 7A, clause 9.  | 
  Not applicable 
  | ||||
Compliance statement
| 1. |   The company is in compliance with all Corporations Act requirements relevant to this buy-back.  | 
or, for trusts only:
| 1. |   The trust is in compliance with all requirements of the Corporations Act as modified by Class Order 07/422, and of the trusts constitution, relevant to this buy-back.  | 
| 2. |   There is no information that the listing rules require to be disclosed that has not already been disclosed, or is not contained in, or attached to, this form.  | 
|   Sign here:  | 
  /s/ Natasha Mercer  | 
Date: |   22 May 2014  | |||||
|   (Company secretary)  | 
||||||||
|   Print name:  | 
  Natasha Mercer  | 
|||||||
+ See chapter 19 for defined terms.
11/01/2010 Appendix 3C Page 3