使用电话或互联网投票！ 要通过电话或互联网投票，您需要提供下面列出的控制号码。 如果您通过电话或互联网投票，请不要邮寄此代理。 邮寄投票可能是以公司名义持有的证券或代表另一个人投票的证券的唯一方法。 邮寄投票或通过互联网投票是持有人可以指定除本代理背面指定的管理层提名人以外的其他人作为代理持有人的唯一方法。 不邮寄此代理，您可以从上述两种投票方式中选择一种来投票表决此代表。 GFL Environmental Inc. 委托书形式-将于2024年5月15日01Z8VA举行的年度股东大会 此委托书是由管理层或代表管理层征集的。 折叠 控制编号 委托书 1.每个持有人都有权指定他们选择的其他人或公司出席会议或其任何延期或延期，并代表他们行事。如阁下希望委任一名人士或公司，而非印刷于本表格内的管理层提名人，请在所提供的空白处填上您所选择的委托持有人的姓名或名称(见反面)。 2.如证券是以多于一名拥有人的名义登记的(例如，共同拥有权、受托人、遗嘱执行人等)，则所有登记的人应签署本委托书。如果您代表公司或其他个人投票，您可能需要提供证明您有权签署本委托书的文件，并说明您的签署能力。 3.本委托书的签名方式应与委托书上的姓名(S)(S)完全相同。 4.如果未在本委托书背面的空白处填写日期，则将被视为带有管理层邮寄给持有人的日期。 5.本委托书所代表的证券将按照持有人的指示进行投票，如果未就任何事项作出此类指示，而委托书指定了背面所列的管理层被提名人，则该委托书将按照管理层的建议进行表决。 6.本委托书所代表的证券将根据持有人的指示在任何可能要求的投票中投赞成票、弃权票或反对票(视情况而定)。如果您已指定对要采取行动的任何事项进行选择，则证券将相应地进行表决。 7.本委托书授予对会议通知和管理信息通告中确定的事项的修改或变更的自由裁量权，或对可能提交会议或其任何延期或延期的其他事项的自由裁量权，除非法律禁止。 8.本委托书应与管理层提供的随附文件一起阅读。 提交的委托书必须在东部时间5月13日上午10：00之前收到。如果年度股东大会延期或延期，提交的委托书必须不少于48小时收到，不包括星期六、星期日和法定节假日。在此延期或延期的会议开始前。 ·通过按键电话拨打下面列出的号码。 ·转到以下网站 网站：www.investorvote.com ·智能手机？ 扫描二维码 立即投票。 ·您可以通过访问 www.Investorcentre.com以电子方式注册接收未来的证券持有人 通信。 ·您可以通过访问本文档背面提供的URL以虚拟方式参加会议。 8楼，安大略省多伦多大学大道100号投票使用电话投票使用互联网接收文件电子 虚拟出席会议 Mr A Sample 指定(如果有) Add1 Add2 add3 add4 add5 add6 C1234567890 Ind 000001从属投票 CPUQC01.E.INT/000001/i1234 123456789012345持有者账号 安全级别 1-866-732-Vote(8683)

364425 01Z8WA Fold Fold AR1 Interim Financial Statements – Mark this box if you would like to receive Interim Financial Statements and accompanying Management’s Discussion and Analysis by mail. Annual Financial Statements – Mark this box if you would like to receive the Annual Financial Statements and accompanying Management’s Discussion and Analysis by mail. If you are not mailing back your proxy, you may register online to receive the above financial report(s) by mail at www.computershare.com/mailinglist. Signature of Proxyholder I/We authorize you to act in accordance with my/our instructions set out above. I/We hereby revoke any proxy previously given with respect to the Meeting. If no voting instructions are indicated above, and the proxy appoints the Management Nominees, this Proxy will be voted as recommended by Management. MM / DD / YY Signature(s) Date 01. Patrick Dovigi For Withhold 04. Arun Nayar 02. Dino Chiesa For Withhold 05. Paolo Notarnicola 03. Violet Konkle For Withhold 06. Ven Poole 2. Appointment of Auditor Appointment of KPMG LLP as Auditor of the Company until the next Annual General Meeting and authorizing the Directors to fix their remuneration. For Withhold 3. Consideration of Company Approach to Executive Compensation Approval of advisory non-binding resolution on the Company’s approach to executive compensation. For Against 07. Blake Sumler 10. Sandra Levy 08. Raymond Svider 09. Jessica McDonald 1. Election of Directors I/We being holder(s) of securities of GFL Environmental Inc. (the “Company”) hereby appoint: Patrick Dovigi, President and Chief Executive Officer, or failing this person, Luke Pelosi, Executive Vice President and Chief Financial Officer (the “Management Nominees”) Appointment of Proxyholder OR as my/our proxyholder with full power of substitution and to attend, act and to vote for and on behalf of the holder in accordance with the following direction (or if no directions have been given, as the proxyholder sees fit) and on all other matters that may properly come before the Annual General Meeting of shareholders of the Company to be held online at https://web.lumiagm.com/404558653, Password: gfl2024, on May 15, 2024 at 10:00 a.m., Eastern Time, and at any adjournment or postponement thereof. VOTING RECOMMENDATIONS ARE INDICATED BY HIGHLIGHTED TEXT OVER THE BOXES. Print the name of the person you are appointing if this person is someone other than the Management Nominees listed herein. Note: If completing the appointment box above YOU MUST go to http://www.computershare.com/GFL and provide Computershare with the name and email address of the person you are appointing. Computershare will use this information ONLY to provide the appointee with a user name to gain entry to the online meeting. C1234567890 XXX 123 MR SAM SAMPLE ZGFQ XXXX 999999999999