 
This appendix is not available as an online form  Please fill in and submit as a PDF announcement +Rule 3.10.3A, 3.10.3B, 3.10.3C  + See chapter 19 for defined terms  31 January 2020  Page 1  Exhibit 99.1  Appendix 3G  Notification of issue, conversion or payment up of equity  +securities  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.  If you are an entity incorporated outside Australia and you are issuing a new class of +securities other  than CDIs, you will need to obtain and provide an International Securities Identification Number (ISIN)  for that class. Further information on the requirement for the notification of an ISIN is available from  the Create Online Forms page. ASX is unable to create the new ISIN for non-Australian issuers.  *Denotes minimum information required for first lodgement of this form, with exceptions provided in  specific notes for certain questions. The balance of the information, where applicable, must be  provided as soon as reasonably practicable by the entity.  Part 1 – Entity and announcement details  Question  no  Question Answer  1.1 *Name of entity  We (the entity here named) give notice of the issue,  conversion or payment up of the following unquoted  +securities.  James Hardie Industries plc  1.2 *Registration type and number  Please supply your ABN, ARSN, ARBN, ACN or  another registration type and number (if you supply  another registration type, please specify both the type  of registration and the registration number).  097 829 895  1.3 *ASX issuer code JHX  1.4 *This announcement is  Tick whichever is applicable.  ☒  A new announcement  ☐  An update/amendment to a previous  announcement  ☐  A cancellation of a previous  announcement  1.4a *Reason for update  Mandatory only if “Update” ticked in Q1.4 above. A  reason must be provided for an update.  N/A    1.4b *Date of previous announcement to this  update  Mandatory only if “Update” ticked in Q1.4 above.  N/A  1.4c *Reason for cancellation  Mandatory only if “Cancellation” ticked in Q1.4 above.  N/A  1.4d *Date of previous announcement to this  cancellation  Mandatory only if “Cancellation” ticked in Q1.4 above.  N/A  1.5 *Date of this announcement 18 February 2021  
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 2  Part 2 – Type of issue  Question  No.  Question Answer  2.1 *The +securities the subject of this  notification are:   Select whichever item is applicable.  If you wish to notify ASX of different types of issues of  securities, please complete a separate Appendix 3G  for each type of issue.  ☐  +Securities issued as a result of options  being exercised or other +convertible  +securities being converted and that are  not to be quoted on ASX  ☐  Partly paid +securities that have been  fully paid up and that are not to be  quoted on ASX  ☒  +Securities issued under an +employee  incentive scheme that are not being  immediately quoted on ASX  ☐  Other [please specify]  If you have selected ‘other’ please provide the  circumstances of the issue here:       2.2a.1 Please state the number and type of  options that were exercised or other  +convertible securities that were converted  (including their ASX security code if  available)?  Answer this question if your response to Q2.1 is  “securities issued as a result of options being  exercised or other convertible securities being  converted and that are not to be quoted on ASX”.  N/A    2.2a.2 And the date the options were exercised or  other +convertible securities were  converted:  Answer this question if your response to Q2.1 is  “securities issued as a result of options being  exercised or other convertible securities being  converted and that are not to be quoted on ASX”.  Note: If this occurred over a range of dates, enter the  date the last of the options was exercised or  convertible securities was converted.  N/A    2.2b.1 Please state the number and type of partly  paid +securities that were fully paid up  (including their ASX security code if  available)?  Answer this question if your response to Q2.1 is  “partly paid securities that have been paid up and that  are not to be quoted on ASX”.  N/A    2.2b.2 And the date the +securities were fully paid  up:  Answer this question if your response to Q2.1 is  “partly paid securities that have been paid up and that  are not to be quoted on ASX”.  Note: If this occurred over a range of dates, enter the  date the last of the securities was fully paid up.  N/A    
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 3  2.2c.1 Please state the number and type of  +securities (including their ASX security  code) issued under an +employee  incentive scheme that are not being  immediately quoted on ASX  Answer this question if your response to Q2.1 is  “securities issued under an employee incentive  scheme that are not being immediately quoted on  ASX”.  683 Restricted Stock Units (RSUs) being  contractual entitlements granted to  employees under the James Hardie  Industries 2001 Equity Incentive Plan (2001  Plan) to be issued ordinary shares/CDIs  upon satisfaction of certain conditions.    2.2c.2 *Please attach a document or provide  details of a URL link for a document lodged  with ASX detailing the terms of the  +employee incentive scheme or a  summary of the terms.  Answer this question if your response to Q2.1 is  “securities issued under an employee incentive  scheme that are not being immediately quoted on  ASX”.  Refer to 2001 Plan  https://ir.jameshardie.com.au/public/downloa d.jsp?id=5562      2.2c.3 *Are any of these +securities being issued  to +key management personnel (KMP) or  an +associate  Answer this question if your response to Q2.1 is  “securities issued under an employee incentive  scheme that are not being immediately quoted on  ASX”.  No  2.2c.3.a *Provide details of the recipients and the number of +securities issued to each of them.  Answer this question if your response to Q2.1 is “securities issued under an employee incentive scheme that are  not being immediately quoted on ASX” and your response to Q2.2c.3 is “Yes”. Repeat the detail in the table  below for each KMP involved in the issue. If the securities are being issued to the KMP, repeat the name of the  KMP or insert “Same” in “Name of registered holder”. If the securities are being issued to an associate of a KMP,  insert the name of the associate in “Name of registered holder”.    Name of KMP Name of registered holder Number of +securities  N/A       2.2d.1 *The purpose(s) for which the entity is  issuing the +securities is:  Answer this question if your response to Q2.1 is  “Other”.  You may select one or more of the items in the list.  ☐  To raise additional working capital  ☐  To fund the retirement of debt  ☐  To pay for the acquisition of an asset  [provide details below]  ☐  To pay for services rendered   [provide details below]  ☐  Other [provide details below]  Additional details:      2.2d.2 Please provide any further information  needed to understand the circumstances in  which you are notifying the issue of these  +securities to ASX, including (if applicable)  why the issue of the +securities has not  been previously announced to the market  in an Appendix 3B  You must answer this question if your response to  Q2.1 is “Other”. If there is no other information to  provide, please answer “Not applicable” or “N/A”.  N/A    
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 4  2.3 *The +securities being issued are:  Tick whichever is applicable  ☒  Additional +securities in an existing  unquoted class that is already recorded  by ASX ("existing class")  ☐  New +securities in an unquoted class  that is not yet recorded by ASX ("new  class")  Part 3A –  number and type of +securities being issued (existing class)  Answer the questions in this part if your response to Q2.3 is “existing class”.  Question  No.  Question Answer  3A.1 *ASX security code & description RSU  3A.2 *Number of +securities being issued 683 RSUs under the 2001 Plan  3A.3a *Will the +securities being issued rank  equally in all respects from their issue date  with the existing issued +securities in that  class?  Yes  3A.3b *Is the actual date from which the  +securities will rank equally (non-ranking  end date) known?  Answer this question if your response to Q3A.3a is  “No”.  N/A  3A.3c *Provide the actual non-ranking end date  Answer this question if your response to Q3A.3a is  “No” and your response to Q3A.3b is “Yes”.  N/A  3A.3d *Provide the estimated non-ranking end  period  Answer this question if your response to Q3A.3a is  “No” and your response to Q3A.3b is “No”.  N/A  3A.3e *Please state the extent to which the  +securities do not rank equally:   in relation to the next dividend,  distribution or interest payment; or   for any other reason  Answer this question if your response to Q3A.3a is  “No”.  For example, the securities may not rank at all, or may  rank proportionately based on the percentage of the  period in question they have been on issue, for the  next dividend, distribution or interest payment; or they  may not be entitled to participate in some other event,  such as an entitlement issue.  N/A  Part 3B – number and type of +securities being issued (new class)  Answer the questions in this part if your response to Q2.3 is “new class”.  Question  No.  Question Answer  3B.1 *Security description N/A  
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 5  3B.2 *Security type  Select one item from the list that best describes the  securities the subject of this form. This will determine  more detailed questions to be asked about the security  later in this section. Select “ordinary fully or partly paid  shares/units” for stapled securities or CDIs. For interest  rate securities, please select the appropriate choice  from either “Convertible debt securities” or “Non- convertible debt securities”. Select “Other” for  performance shares/units and performance  options/rights or if the selections available in the list do  not appropriately describe the security being issued.  ☐  Ordinary fully or partly paid shares/units  ☐  Options  ☐  +Convertible debt securities    ☐  Non-convertible +debt securities    ☐  Redeemable preference shares/units  ☐  Other  3B.3 ISIN code  Answer this question if you are an entity incorporated  outside Australia and you are issuing a new class of  securities other than CDIs. See also the note at the top  of this form.  N/A  3B.4 *Number of +securities being issued N/A  3B.5a *Will all the +securities issued in this class  rank equally in all respects from the issue  date?  N/A  3B.5b *Is the actual date from which the  +securities will rank equally (non-ranking  end date) known?   Answer this question if your response to Q3B.5a is  “No”.  N/A  3B.5c *Provide the actual non-ranking end date  Answer this question if your response to Q3B.5a is  “No” and your response to Q3B.5b is “Yes”.  N/A  3B.5d *Provide the estimated non-ranking end  period  Answer this question if your response to Q3B.5a is  “No” and your response to Q3B.5b is “No”.  N/A  3B.5e *Please state the extent to which the  +securities do not rank equally:   in relation to the next dividend,  distribution or interest payment; or   for any other reason  Answer this question if your response to Q3B.5a is  “No”.  For example, the securities may not rank at all, or may  rank proportionately based on the percentage of the  period in question they have been on issue, for the  next dividend, distribution or interest payment; or they  may not be entitled to participate in some other event,  such as an entitlement issue.  N/A  3B.6 Please attach a document or provide a URL  link for a document lodged with ASX setting  out the material terms of the +securities  being issued   You may cross reference a disclosure document, PDS,  information memorandum, investor presentation or  other announcement with this information provided it  has been released to the ASX Market Announcements  Platform.  N/A  
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 6  3B.7 *Have you received confirmation from ASX  that the terms of the +securities are  appropriate and equitable under listing rule  6.1?  Answer this question only if you are an ASX Listing.  (ASX Foreign Exempt Listings and ASX Debt Listings  do not have to answer this question).  If your response is “No” and the securities have any  unusual terms, you should approach ASX as soon as  possible for confirmation under listing rule 6.1 that the  terms are appropriate and equitable.  N/A  3B.8a Ordinary fully or partly paid shares/units details  Answer the questions in this section if you selected this security type in your response to Question 3B.2.   *+Security currency  This is the currency in which the face amount of an  issue is denominated. It will also typically be the  currency in which distributions are declared.  N/A   *Will there be CDIs issued over the  +securities?  N/A   *CDI ratio  Answer this question if you answered “Yes” to the  previous question. This is the ratio at which CDIs can  be transmuted into the underlying security (e.g. 4:1  means 4 CDIs represent 1 underlying security  whereas 1:4 means 1 CDI represents 4 underlying  securities).  N/A   *Is it a partly paid class of +security? N/A   *Paid up amount: unpaid amount  Answer this question if answered “Yes” to the  previous question.  The paid up amount represents the amount of  application money and/or calls which have been paid  on any security considered ‘partly paid’  The unpaid amount represents the unpaid or yet to be  called amount on any security considered ‘partly  paid’.   The amounts should be provided per the security  currency (e.g. if the security currency is AUD, then the  paid up and unpaid amount per security in AUD).  N/A   *Is it a stapled +security?  This is a security class that comprises a number of  ordinary shares and/or ordinary units issued by  separate entities that are stapled together for the  purposes of trading.  N/A  3B.8b Option details  Answer the questions in this section if you selected this security type in your response to Question 3B.2.   *+Security currency  This is the currency in which the exercise price is  payable.  N/A   *Exercise price  The price at which each option can be exercised and  convert into the underlying security. If there is no  exercise price please answer as $0.00.  The exercise price should be provided per the  security currency (i.e. if the security currency is AUD,  the exercise price should be expressed in AUD).  N/A   *Expiry date  The date on which the options expire or terminate.  N/A  
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 7   *Details of the number and type of  +security (including its ASX security code if  the +security is quoted on or recorded by   ASX) that will be issued if an option is  exercised  For example, if the option can be exercised to receive  one fully paid ordinary share with ASX security code  ABC, please insert “One fully paid ordinary share  (ASX:ABC)“.  N/A  3B.8c Details of non-convertible +debt securities, +convertible debt securities, or  redeemable preference shares/units  Answer the questions in this section if you selected one of these security types in your response to Question  3B.2.  Refer to Guidance Note 34 and the “Guide to the Naming Conventions and Security Descriptions for ASX Quoted  Debt and Hybrid Securities” for further information on certain terms used in this section   *Type of +security  Select one item from the list  ☐  Simple corporate bond  ☐  Non-convertible note or bond  ☐   Convertible note or bond  ☐  Preference share/unit  ☐  Capital note  ☐  Hybrid security  ☐  Other   *+Security currency  This is the currency in which the face value of the  security is denominated. It will also typically be the  currency in which interest or distributions are paid.  N/A   Face value  This is the principal amount of each security.  The face value should be provided per the security  currency (i.e. if security currency is AUD, then the  face value per security in AUD).  N/A   *Interest rate type   Select one item from the list  Select the appropriate interest rate type per the terms  of the security. Definitions for each type are provided  in the Guide to the Naming Conventions and Security  Descriptions for ASX Quoted Debt and Hybrid  Securities  ☐  Fixed rate  ☐  Floating rate  ☐  Indexed rate  ☐  Variable rate  ☐  Zero coupon/no interest  ☐  Other   Frequency of coupon/interest payments  per year  Select one item from the list.  ☐  Monthly  ☐  Quarterly  ☐  Semi-annual  ☐  Annual  ☐  No coupon/interest payments  ☐  Other   First interest payment date  A response is not required if you have selected “No  coupon/interest payments” in response to the  question above on the frequency of coupon/interest  payments  N/A   N/A N/A  
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 8   *Is the interest rate per annum estimated  at this time?   Answer this question if the interest rate type is fixed.  N/A   If the interest rate per annum is estimated,  then what is the date for this information to  be announced to the market (if known)  Answer this question if the interest rate type is fixed  and your response to the previous question is “Yes”.  Answer “Unknown” if the date is not known at this  time.  N/A   *Does the interest rate include a reference  rate, base rate or market rate (e.g. BBSW  or CPI)?  Answer this question if the interest rate type is floating  or indexed  N/A   *What is the reference rate, base rate or  market rate?  Answer this question if the interest rate type is floating  or indexed and your response to the previous  question is “Yes”.  N/A   *Does the interest rate include a margin  above the reference rate, base rate or  market rate?  Answer this question if the interest rate type is floating  or indexed.  N/A   N/A N/A   *S128F of the Income Tax Assessment Act  status applicable to the +security  Select one item from the list   For financial products which are likely to give rise to a  payment to which s128F of the Income Tax  Assessment Act applies, ASX requests issuers to  confirm the s128F status of the security:   “s128F exempt” means interest payments are not  taxable to non-residents;    “Not s128F exempt” means interest payments are  taxable to non-residents;    “s128F exemption status unknown” means the  issuer is unable to advise the status;    “Not applicable” means s128F is not applicable to  this security  ☐  s128F exempt  ☐  Not s128F exempt  ☐  s128F exemption status unknown  ☐  Not applicable     *Is the +security perpetual (i.e. no maturity  date)?  N/A   *Maturity date  Answer this question if the security is not perpetual   N/A  
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 9   *Select other features applicable to the  +security  Up to 4 features can be selected. Further information  is available in the Guide to the Naming Conventions  and Security Descriptions for ASX Quoted Debt and  Hybrid Securities.  ☐  Simple  ☐  Subordinated  ☐  Secured  ☐  Converting  ☐  Convertible  ☐  Transformable  ☐  Exchangeable  ☐  Cumulative  ☐  Non-Cumulative  ☐  Redeemable  ☐  Extendable  ☐  Reset  ☐  Step-Down  ☐  Step-Up  ☐  Stapled  ☐  None of the above   *Is there a first trigger date on which a right  of conversion, redemption, call or put can  be exercised (whichever is first)?  N/A   *If yes, what is the first trigger date  Answer this question if your response to the previous  question is “Yes”.  N/A   Details of the number and type of +security  (including its ASX security code if the  +security is quoted on ASX) that will be  issued if the securities to be quoted are  converted, transformed or exchanged  Answer this question if the security features include  “converting”, “convertible”, “transformable” or  “exchangeable”.  For example, if the security can be converted into  1,000 fully paid ordinary shares with ASX security  code ABC, please insert “1,000 fully paid ordinary  shares (ASX:ABC)“.  N/A  Part 4 – Issue details  Question  No.  Question Answer  4.1 *Have the +securities been issued yet? Yes  4.1a *What was their date of issue?  Answer this question if your response to Q4.1 is  “Yes”.  258 RSUs on 9 December 2020 (US time)   425 RSUs on 11 February 2021 (US time)  4.1b *What is their proposed date of issue?  Answer this question if your response to Q4.1 is “No”.  N/A  4.2 *Are the +securities being issued for a  cash consideration?  If the securities are being issued for nil cash  consideration, answer this question “No”.  No  
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 10  4.2a *In what currency is the cash consideration  being paid  For example, if the consideration is being paid in  Australian Dollars, state AUD.  Answer this question if your response to Q4.2 is  “Yes”.  N/A  4.2b *What is the issue price per +security  Answer this question if your response to Q4.2 is “Yes”  and by reference to the issue currency provided in  your response to Q4.2a.  Note: you cannot enter a nil amount here. If the  securities are being issued for nil cash consideration,  answer Q4.2 as “No” and complete Q4.2c.  N/A  4.2c Please describe the consideration being  provided for the +securities  Answer this question if your response to Q4.2 is “No”.  Total of 683 RSUs granted as awards under  the 2001 Plan and intended to promote the  Company’s long term financial interests by  encouraging management to acquire an  ownership position in the Company, aligning  their interests with those of the Company’s  security holders.  4.3 Any other information the entity wishes to  provide about the issue  N/A  Part 5 – Unquoted +securities on issue  Following the issue of the +securities the subject of this application, the unquoted issued +securities of  the entity will comprise:  Note: the figures provided in the table in section 5.1 below are used to calculate part of the total market capitalisation of the  entity published by ASX from time to time. Please make sure you include in the table each class of unquoted securities issued  by the entity.  Restricted securities should be included in table 5.1.  5.1   *ASX security code and description *Total number of +securities on issue  2001 Plan RSUs          598,866  (equivalent to 598,866 CDIs)    8,052 2001 Plan RSUs have been  cancelled.  2006 Plan RSUs    2,158,819  (equivalent to 2,158,819 CDIs)     No 2006 Plan RSUs have been  cancelled.     
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 11  Part 6 – Other Listing Rule requirements  The questions in this Part should only be answered if you are an ASX Listing (ASX Foreign Exempt Listings and ASX Debt  Listings do not need to complete this Part) and:  - your response to Q2.1 is “+securities issued under an +employee incentive scheme that are not being immediately quoted  on ASX”; or   - your response to Q2.1 is “Other”  Question  No.  Question Answer  6.1 *Are the securities being issued under  Listing Rule 7.2 exception 131 and therefore  the issue does not need any security holder  approval under Listing Rule 7.1?  Answer this question if your response to Q2.1 is  “securities issued under an employee incentive  scheme that are not being immediately quoted on  ASX”.  No    6.2 *Has the entity obtained, or is it obtaining,  +security holder approval for the issue  under listing rule 7.1?   Answer this question if the response to Q6.1 is “No”.  No    6.2a *Date of meeting or proposed meeting to  approve the issue under listing rule 7.1  Answer this question if the response to Q6.1 is “No”  and the response to Q6.2 is “Yes”.  N/A  6.2b *Are any of the +securities being issued  without +security holder approval using the  entity’s 15% placement capacity under  listing rule 7.1?  Answer this question if the response to Q6.1 is “No”  and the response to Q6.2 is “No”.  Yes                                                       1 Exception 13 An issue of securities under an employee incentive scheme if within 3 years before the issue date:  (a) in the case of a scheme established before the entity was listed – a summary of the terms of the scheme and  the maximum number of equity securities proposed to be issued under the scheme were set out in the  prospectus, PDS or information memorandum lodged with ASX under rule 1.1 condition 3; or  (b) the holders of the entity’s ordinary securities have approved the issue of equity securities under the scheme as  an exception to this rule. The notice of meeting must have included:   a summary of the terms of the scheme.   the number of securities issued under the scheme since the entity was listed or the date of the last  approval under this rule;   the maximum number of +equity securities proposed to be issued under the scheme following the  approval; and   a voting exclusion statement.  Exception 13 is only available if and to the extent that the number of +equity securities issued under the scheme  does not exceed the maximum number set out in the entity’s prospectus, PDS or information memorandum (in the  case of (a) above) or in the notice of meeting (in the case of (b) above).  Exception 13 ceases to be available if there is a material change to the terms of the scheme from those set out in the  entity’s prospectus, PDS or information memorandum (in the case of (a) above) or in the notice of meeting (in the  case of (b) above).  
 
 
 
This appendix is not available as an online form Appendix 3G  Please fill in and submit as a PDF announcement Notification of issue, conversion or   payment up of equity +securities  + See chapter 19 for defined terms  31 January 2020  Page 12  6.2b.1 *How many +securities are being issued  without +security holder approval using the  entity’s 15% placement capacity under  listing rule 7.1?  Answer this question if the response to Q6.1 is “No”,  the response to Q6.2 is “No” and the response to  Q6.2b is “Yes”.  Please complete and separately send by email to your  ASX listings adviser a work sheet in the form of  Annexure B to Guidance Note 21 confirming the entity  has the available capacity under listing rule 7.1 to issue  that number of securities.  683 RSUs  6.2c *Are any of the +securities being issued  without +security holder approval using the  entity’s additional 10% placement capacity  under listing rule 7.1A (if applicable)?  Answer this question if the response to Q6.1 is “No”  and the response to Q6.2 is “No”.  No  6.2c.1 *How many +securities are being issued  without +security holder approval using the  entity’s additional 10% placement capacity  under listing rule 7.1A?  Answer this question if the response to Q6.1 is “No”,  the response to Q6.2 is “No” and the response to  Q6.2c is “Yes”.  Please complete and separately send by email to your  ASX listings adviser a work sheet in the form of  Annexure C to Guidance Note 21 confirming the entity  has the available capacity under listing rule 7.1A to  issue that number of securities.  N/A  Introduced 01/12/19; amended 31/01/20