Weatherford International plc

PRELIMINARY - SUBJECT TO UPDATE THIS IS THE BLUE PROXY CARD WEATHERFORD INTERNATIONAL PLC ATTN: CORPORATE SECRETARY 70 SIR JOHN ROGERSON’S QUAY DUBLIN 2, IRELAND SCAN TO VIEW MATERIALS & VOTE VOTE BY INTERNET - www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information. Vote by 11:59 P.M. ET on June 10, 2026 for shares held directly. Have your proxy card in hand when you access the web site and follow the instructions to obtain your records and to create an electronic voting instruction form. ELECTRONIC DELIVERY OF FUTURE PROXY MATERIALS If you would like to reduce the costs incurred by our company in mailing proxy materials, you can consent to receiving all future proxy statements, proxy cards and annual reports electronically via e-mail or the Internet. To sign up for electronic delivery, please follow the instructions above to vote using the Internet and, when prompted, indicate that you agree to receive or access proxy materials electronically in future years. VOTE BY PHONE - 1-800-690-6903 Use any touch-tone telephone to transmit your voting instructions. Vote by 11:59 P.M. ET on June 10, 2026 for shares held directly. Have your proxy card in hand when you call and then follow the instructions. VOTE BY MAIL Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 11717. TO VOTE, MARK BLOCKS BELOW IN BLUE OR BLACK INK AS FOLLOWS: KEEP THIS PORTION FOR YOUR RECORDS V90160-S35138 THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. DETACH AND RETURN THIS PORTION ONLY WEATHERFORD INTERNATIONAL PLC The Board of Directors recommends you vote FOR the following proposals: Annual Business Election of Directors Nominees: For Against Abstain Steven Beringhause Benjamin C. Duster, IV Neal P. Goldman Jacqueline C. Mutschler Charles M. Sledge Girishchandra K. Saligram 2. To ratify the appointment of KPMG LLP as our independent registered public accounting firm and auditor for the fiscal year ending December 31, 2026 and KPMG Chartered Accountants, Dublin, as our statutory auditor under Irish law to hold office until the close of the 2027 AGM, and to authorize our Board of Directors, acting through the Audit Committee, to determine the auditors’ remuneration. 3. To approve, on a non-binding advisory basis, the compensation of our named executive officers. 4. To approve the amendment and restatement of the Weatherford International plc Fourth Amended and Restated 2019 Equity Incentive Plan. 5. To approve a renewal of the Board’s annual authority to issue shares under Irish law. 6. To approve a renewal of the Board’s annual power to opt-out of statutory preemption rights under Irish law. Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. In the case of a company or corporation, this proxy may be executed under its common seal (or in any other manner permitted by law and having the same effect as if executed under seal) or under the hand of a duly authorized officer, attorney or other person. If you do not wish to vote all of your shares in the same manner on any particular proposal(s), you may specify your vote by clearly hand-marking this proxy card. For Against Abstain Scheme Related Business If the Scheme of Arrangement proposal is approved at the Court Meeting: For Against Abstain To approve the Scheme of Arrangement by, and on behalf of, Weatherford International plc (“Weatherford-Ireland”) and to authorize the directors of Weatherford-Ireland to take all such actions as they consider necessary or appropriate for carrying the Scheme of Arrangement into effect. To approve a capital reduction under sections 84 to 86 of the Companies Act to effect the cancellation of Weatherford-Ireland ordinary shares contemplated by the Scheme of Arrangement. To approve the terms of an initial subscription, allotment and issue of one, or more, Weatherford-Ireland ordinary shares to Weatherford International Corp (“Weatherford-US”) in connection with the Scheme of Arrangement. To authorize the directors of Weatherford-Ireland to allot and issue further new Weatherford-Ireland ordinary shares to Weatherford-US in connection with the Scheme of Arrangement to be paid up by the application of certain reserves as described in the Scheme of Arrangement. To approve an amendment to the Weatherford-Ireland Articles so that any Weatherford-Ireland ordinary shares that are issued on or after the Voting Record Time to persons other than Weatherford-US or its nominee(s) will either be subject to the terms of the Scheme of Arrangement or will be immediately and automatically acquired by Weatherford-US and/or its nominee(s) for the Scheme Consideration (as defined in the Scheme of Arrangement). To approve any motion to adjourn the AGM, or any adjournments thereof, to another time and place if necessary or appropriate to solicit additional proxies if there are insufficient votes at the time of the AGM to approve the resolutions proposed at the AGM. Approval at the Annual General Meeting of each of Scheme Related Business proposals described in Proposals 7 through 11 (together, the “Conditional Proposals”) by our shareholders is a condition to the Scheme of Arrangement becoming effective, and the Scheme of Arrangement will not be implemented if any of the Conditional Proposals are not approved. Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) Date

Important Notice Regarding the Availability of Proxy Materials for the Annual General Meeting: The Proxy Materials, Form 10-K and Irish Statutory Accounts are available at www.proxyvote.com. A SEPERATE PROXY CARD IS ENCLOSED FOR THE 2026 COURT MEETING OF SHAREHOLDERS. PLEASE ENSURE THAT YOU VOTE BOTH PROXIES. V90161-S35138 WEATHERFORD INTERNATIONAL PLC 2026 Annual General Meeting of Shareholders June 11, 2026 8:10 A.M. Central Time This proxy is solicited by the Board of Directors The shareholder(s) hereby appoint(s) Scott C. Weatherholt, Beth Ann Dranguet, and Cristina Waber, * or any of them, as proxies, each with the power to appoint his/her substitute, and hereby authorize(s) them to represent and to vote, as designated on the reverse side of this ballot, all of the ordinary shares of WEATHERFORD INTERNATIONAL PLC that the shareholder(s) is/are entitled to vote if personally present at the 2026 Annual General Meeting of Shareholders (the “Annual General Meeting”), to be held at 8:10 A.M. Central Time (or if the 2026 Court Meeting of Shareholders has not concluded by such time, as soon as possible after the conclusion of such meeting), on June 11, 2026, at 2000 Saint James Place, Marcellus Room, Houston, Texas 77056, United States of America, and any adjournment thereof on the matters more particularly described in the Proxy Materials for the Annual General Meeting. The undersigned hereby revoke(s) all proxies previously given by the undersigned to vote at the Annual General Meeting. This proxy card, when properly executed, will be voted in the manner directed by the undersigned shareholder(s) on the reverse side of this proxy card. IF NO DIRECTION IS MADE, THESE SHARES WILL BE VOTED “FOR” EACH OF THE PROPOSALS TO BE CONSIDERED AT THE ANNUAL GENERAL MEETING. In the event other matters properly come before, or are raised at, the Annual General Meeting on which a vote is or may be taken, you instruct and authorize the Proxy Holders to vote the shares in their own discretion on such other matters. The undersigned hereby acknowledge(s) receipt of Notice of, and the Proxy Statement for, the Annual General Meeting. * or, if you wish to appoint another person as your proxy, insert details and, if applicable, cross out Scott C. Weatherholt, Beth Ann Dranguet and Cristina Waber. * or, if you wish to appoint another person as your proxy, insert details and, if applicable, cross out Scott C. Weatherholt, Beth Ann Dranguet and Cristina Waber. Continued and to be signed on reverse side

PRELIMINARY- SUBJECT TO UPDATE THIS IS THE YELLOW PROXY CARD SCAN TO VIEW MATERIALS & VOTEWEATHERFORD INTERNATIONAL PLC ATTN: CORPORATE SECRETARY 70 SIR JOHN ROGERSON’S QUAY DUBLIN 2, IRELAND VOTE BY INTERNET - www.proxyvote.com or scan the QR Barcode above Use the Internet to transmit your voting instructions and for electronic delivery of information. Vote by 11:59 P.M. ET on June 10, 2026 for shares held directly. Have your proxy card in hand when you access the web site and follow the instructions to obtain your records and to create an electronic voting instruction form. ELECTRONIC DELIVERY OF FUTURE PROXY MATERIALS If you would like to reduce the costs incurred by our company in mailing proxy materials, you can consent to receiving all future proxy statements, proxy cards and annual reports electronically via e-mail or the Internet. To sign up for electronic delivery, please follow the instructions above to vote using the Internet and, when prompted, indicate that you agree to receive or access proxy materials electronically in future years. VOTE BY PHONE - 1-800-690-6903 Use any touch-tone telephone to transmit your voting instructions. Vote by 11:59 P.M. ET on June 10, 2026 for shares held directly. Have your proxy card in hand when you call and then follow the instructions. VOTE BY MAIL Mark, sign and date your proxy card and return it in the postage-paid envelope we have provided or return it to Vote Processing, c/o Broadridge, 51 Mercedes Way, Edgewood, NY 1171 TO VOTE, MARK BLOCKS BELOW IN BLUE OR BL ACK INK AS FOLLOWS V901 62-S351 38 KEEP THIS PORTION FOR YOUR RECORDS THIS PROXY CARD IS VALID ONLY WHEN SIGNED AND DATED. DETACH AND RETURN THIS PORTION ONLY WEATHERFORD INTERNATIONAL PLC The Board of Directors recommends you vote FOR the following proposal: For Against AbstainThe Board of Directors recommends you vote FOR the following proposalTo agree to a scheme of arrangement under Chapter 1 of Part 9 of the Companies Act 2014, as amended, substantially in the form attached as Annex C to the Proxy Statement, that, once it becomes effective, will result in you owning common stock of Weatherford International Corp instead of ordinary shares of Weatherford International plc. Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. In the case of a company or corporation, this proxy may be executed under its common seal (or in any other manner permitted by law and having the same effect as if executed under seal) or under the hand of a duly authorized officer, attorney or other person. If you do not wish to vote all of your shares in the same manner on any particular proposal(s), you may specify your vote by clearly hand-marking this proxy card. Signa ture [PLEASE SIGN WITHIN BOX ] Signature (Joint Owners)

Important Notice Regarding the Availability of Proxy Materials for the Court Meeting: The Proxy Materials, Form 10-K and Irish Statutory Accounts are available at www.proxyvote.com. A SEPERATE PROXY CARD IS ENCLOSED FOR THE 2026 ANNUAL GENERAL MEETING OF SHAREHOLDERS. PLEASE ENSURE THAT YOU VOTE BOTH PROXIES. V90163-S35138 WEATHERFORD INTERNATIONAL PLC 2026 Court Meeting of Shareholders June 11, 2026 8:00 A.M. Central Time This proxy is solicited by the Board of Directors The shareholder(s) hereby appoint(s) Scott C. Weatherholt, Beth Ann Dranguet, and Cristina Waber, * or any of them, as proxies, each with the power to appoint his/her substitute, and hereby authorize(s) them to represent and to vote, as designated on the reverse side of this ballot, all of the ordinary shares of WEATHERFORD INTERNATIONAL PLC that the shareholder(s) is/are entitled to vote if personally present at the 2026 Court Meeting of Shareholders (the “Court Meeting”), to be held at 8:00 A.M. Central Time, on June 11, 2026, at 2000 Saint James Place, Marcellus Room, Houston, Texas 77056, United States of America, and any adjournment thereof on the matters more particularly described in the Proxy Materials for the Court Meeting. The undersigned hereby revoke(s) all proxies previously given by the undersigned to vote at the Court Meeting. This proxy card, when properly executed, will be voted in the manner directed by the undersigned shareholder(s) on the reverse side of this proxy card. IF NO DIRECTION IS MADE, THESE SHARES WILL BE VOTED “FOR” THE PROPOSAL TO BE CONSIDERED AT THE COURT MEETING. In the event other matters properly come before, or are raised at, the Court Meeting on which a vote is or may be taken, you instruct and authorize the Proxy Holders to vote the shares in their own discretion on such other matters. The undersigned hereby acknowledge(s) receipt of Notice of, and the Proxy Statement for, the Court Meeting. * or, if you wish to appoint another person as your proxy, insert details and, if applicable, cross out Scott C. Weatherholt, Beth Ann Dranguet and Cristina Waber. Continued and to be signed on reverse side