UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a)

OF THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. )

☑

Filed by the Registrant

☐

Filed by a Party other than the Registrant

Check the appropriate box:
☐	Preliminary Proxy Statement
☐	Confidential, for Use of the Commission Only (as permitted by Rule 14A-6(E)(2))
☐	Definitive Proxy Statement
☑	Definitive Additional Materials
☐	Soliciting Material under §240.14a-12

AMCOR PLC

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):
☑	No fee required.
☐	Fee paid previously with preliminary materials.
☐	Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

Your Vote Counts! *Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares. Smartphone users Point your camera here and vote without entering a control number For complete information and to vote, visit www.ProxyVote.com Control # T01953-P55618 AMCOR PLC 2026 Annual General Meeting Vote by November 10, 2026 11:59 PM ET. For shares held in a Plan, vote by November 8, 2026 11:59 PM ET. You invested in AMCOR PLC and it’s time to vote! You have the right to vote on proposals being presented at the Annual General Meeting. This is an important notice regarding the availability of proxy materials for the shareholder meeting to be held on November 11, 2026. Get informed before you vote View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to October 28, 2026. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. Vote in Person at the Meeting* November 11, 2026 9:00 p.m. London, GMT AMCOR PLC 83 TOWER ROAD NORTH WARMLEY, BRISTOL BS30 8XP UNITED KINGDOM The Langham Hotel London, 1C Portland Pl London W1B 1JA, England

Vote at www.ProxyVote.com THIS IS NOT A VOTABLE BALLOT This is an overview of the proposals being presented at the upcoming shareholder meeting. Please follow the instructions on the reverse side to vote on these important matters. Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Delivery Settings”. T01954-P55618 1. Re-election of Directors For Nominees: 1a. Nicholas T. Long (Tom) 1b. Stephen E. Sterrett For 1c. Peter Konieczny For 1d. Achal Agarwal For 1e. Susan Carter For 1f. Graham Chipchase CBE For 1g. Jonathan F. Foster For 1h. Lucrèce Foufopoulos-De Ridder For 1i. James T. Glerum, Jr. For 1j. Jill A. Rahman For 2. Ratification of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the period ending December 31, 2026. For 3. To approve, by non-binding, advisory vote, the Company’s executive compensation. For 4. To approve the renewal of the Company’s authorization to repurchase its ordinary shares and CHESS depositary interests. For 5. To approve the Amcor plc 2026 Omnibus Management Share Plan. For NOTE: Such other business as may properly come before the meeting or any adjournment thereof. Voting Items Board Recommends