Exhibit 99.3 Lodge your Voting Instruction Form:  Online: www.investorvote.com.au  By Mail: Computershare Investor Services Pty Limited GPO Box 242 Melbourne Victoria 3001 Australia JHX MR SAM SAMPLE Alternatively you can fax your form to FLAT 123 (within Australia) 1800 783 447 123 SAMPLE STREET (outside Australia) +61 3 9473 2555 THE SAMPLE HILL SAMPLE ESTATE Online Subscribers: SAMPLEVILLE VIC 3030 For Intermediary Online subscribers only (custodians) www.intermediaryonline.com *S00000112Q01* For all enquiries call: (within Australia) 1300 855 080 (outside Australia) +61 3 9415 4000 Voting Instruction Form - 2018 Annual General Meeting (AGM) Vote online or view the Annual Report, 24 hours a day, 7 days a week:  www.investorvote.com.au Complete your Voting Instruction Form Your secure access information is: Control Number: 999999 Access the Annual Report SRN/HIN: I9999999999 PIN: 99999 Review and update your securityholding PLEASE NOTE: For security reasons it is important that you keep your SRN/HIN confidential.  For your voting instruction to be effective it must be received by 7:00pm (Sydney time) on Wednesday, 8 August 2018 How to Vote * If the Nominated Proxy is a corporate and the written instruction will be submitted by By signing this Voting Instruction Form, you direct CHESS Depositary Nominees Pty a representative of the corporate, the appropriate 'Certificate of Appointment of Limited (CDN) to appoint the Chairman of the meeting or a person designated by you Corporate Representative' form will need to be provided along with the written as its Nominated Proxy to vote the shares in the company held by CDN on your behalf instructions. A Corporate Representative form may be obtained from Computershare in respect of the resolutions to be considered at the AGM to be held in Dublin on or online at www.investorcentre.com under the help tab, 'Printable Forms'. Friday, 10 August 2018 and at any adjournment of that meeting, as indicated on this You may instruct CDN to appoint yourself or your nominee as a Nominated form, and to vote or abstain in respect of any procedural resolution as the Nominated Proxy, or failing your or your nominee’s attendance at the AGM, the Company Proxy (as applicable) thinks fit. Secretary as its Proxy. If you want to apportion your vote, you must clearly enter the portion to be voted in a If you instruct CDN to appoint a person nominated by you as Nominated Proxy but do particular manner in the box opposite the resolution in Step 2 overleaf. This may be not mark 'For', 'Against', or 'Abstain', the Nominated Proxy may vote as he or she done by specifying the number of shares underlying your CUFS holding or the determines at the AGM. percentages of that holding. If you vote in excess of 100% of your holding for the resolution, your vote on the resolution will be invalid. If you mark more than one box If you mark the ’Abstain’ box for a resolution, you are directing the Nominated Proxy for the resolution, except to show a portion in the manner discussed above, your not to vote on the resolution(s). vote on that resolution will be invalid. If you appoint a Nominated Proxy and your Nominated Proxy does not attend the If you lodge the Voting Instruction Form prior to the AGM, and complete your voting AGM, the Company Secretary will vote in accordance with the instructions on the directions on that form, your voting instructions may only be changed if you submit a Voting Instruction Form or, for undirected proxies, in accordance with the Nominated further Voting Instruction Form before the closing date at 7:00pm (Sydney time) on Proxy’s written instructions* provided to the Company Secretary, care of Wednesday, 8 August 2018. Computershare facsimile to 1300 534 987 from inside Australia or +61 3 9473 2408 from outside Australia or by email to jhxmeetings@computershare.com.au. If the There will be no voting facilities for the teleconference of the meeting. Nominated Proxy does not provide written instructions to the Company Secretary care Attending the Meeting of Computershare by the earlier of (i) the time of commencement of voting on the Persons seeking to attend the AGM will be required to provide appropriate resolutions at the AGM and (ii) 7:30am (Dublin time) / 4:30pm (Sydney time) on identification to receive an entry card. Friday, 10 August 2018 then the Company Secretary intends voting in favour of the Appointing the Chairman as Proxy (Option A) resolutions. To instruct CDN to appoint the Chairman of the meeting as its Nominated Proxy to vote If you do not select either of Option A or Option B, and the Voting Instruction the shares underlying your CUFS: Form is validly signed, you will be deemed to have marked Option A. Step 1 - Place a cross in the box next to Option A. Step 2 - Place a mark or specify the number of shares or percentage of your holding to Signing Instructions for Postal Forms be voted in one of the boxes opposite the resolution. The shares underlying your CUFS Individual: Where the CUFS holding is in one name, the CUFS holder must sign. will be voted in accordance with this direction. Joint Holding: Where the CUFS holding is in more than one name, all of the CUFS If you do not mark 'For', 'Against', or 'Abstain' in respect of resolutions 1, 2, 3, 4, 5, 6, 7 holders must sign. and 8 you acknowledge that the Chairman of the meeting will vote as he decides. The Chairman intends to vote undirected proxies in favour of each of these resolutions. Power of Attorney: If you have not already lodged the Power of Attorney with the registry, please attach a certified photocopy to this form when you return it. If you mark the ’Abstain’ box, you are directing the Chairman (as CDN's Nominated Companies: Where the company has a Sole Director who is also the Sole Company Proxy) not to vote on the resolution(s) and your votes will not be counted in computing Secretary, this form must be signed by that person. If the company does not have a the required majority. Company Secretary, a Sole Director can also sign alone. Otherwise this form must be Appointing a proxy of your choice 'Nominated Proxy' (Option B) signed by a Director jointly with either another Director or a Company Secretary. To instruct CDN to appoint a Nominated Proxy of your choice (other than the Chairman Please sign in the appropriate place to indicate the office held. of the meeting) or failing your nominee’s attendance at the AGM, the Company Secretary who may vote the shares underlying your CUFS at James Hardie's AGM: Comments & Questions Step 1 - Write the person you appoint in the box at the top of the form overleaf. If you have any comments or questions for the company, please write them on the Step 2 - Place a mark or specify the number of shares or percentage of your holding to enclosed Question Form and return with this Voting Instruction Form. be voted in one of the boxes opposite the resolution. GO ONLINE TO VOTE,  or turn over to complete the form Samples/000001/000001/i12

MR SAM SAMPLE Change of address. If incorrect, FLAT 123 mark this box and make the 123 SAMPLE STREET THE SAMPLE HILL correction in the space to the left.  SAMPLE ESTATE SAMPLEVILLE VIC 3030 I 9999999999 I ND Voting Instruction Form Please mark to indicate your directions STEP 1 CHESS Depositary Nominees Pty Limited (CDN) will vote as directed (please mark box A OR insert a name in the space provided at B below) XX I/We, being a CUFS holder of the company, hereby instruct: Please write the name of the person (other than the Chairman) you would like to Option A Option B attend and vote at the meeting in Dublin on your behalf. If you wish to attend, speak CDN to appoint the or CDN to appoint the and vote at the meeting in Dublin, write your own name. Chairman of the following Nominated meeting as its proxy Proxy as its proxy: or failing attendance at the AGM of the person or body corporate so named, the Company Secretary to attend, speak and vote the shares underlying my/our holding of CUFS at the AGM of James Hardie Industries plc to be held on Friday, 10 August 2018 in James Hardie’s Corporate Headquarters, The Cork Room, Europa House, 2nd Floor, Harcourt Centre (Block 9), Harcourt Street, Dublin 2, Ireland at 7:00am (Dublin time), and any adjournment of the meeting. If you complete neither of the options above, and the Voting Instruction Form has been validly signed, then you will be deemed to have marked Option A. THE BOARD OF DIRECTORS RECOMMEND A VOTE 'FOR' THE RESOLUTIONS. STEP 2 Items of Business ORDINARY BUSINESS 1. Receive and consider the Financial Statements and reports for fiscal year 2018 2. Receive and consider the Remuneration Report for fiscal year 2018 3. (a) Elect Persio Lisboa as a director 3. (b) Re-elect Andrea Gisle Joosen as a director 3. (c) Re-elect Michael Hammes as a director 3. (d) Re-elect Alison Littley as a director 4. Authority to fix the External Auditor’s Remuneration SPECIAL BUSINESS 5. Re-approve Long Term Incentive Plan 6. Grant of Return on Capital Employed Restricted Stock Units to Louis Gries 7. Grant of Relative Total Shareholder Return Restricted Stock Units to Louis Gries 8. Amendment of the Company's Articles of Association SIGN This section must be signed in accordance with the instructions overleaf to enable your directions to be implemented. Individual or Securityholder Securityholder 2 Securityholder 3 Sole Director and Sole Company Secretary Director Director/Company Secretary Contact Contact Daytime Name Telephone Date / / J H X 9 9 9 9 9 9 A