EX-99.4 5 tm241257d2_ex99-4.htm EXHIBIT 99.4

Exhibit 99.4

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STANDARD LITHIUM LTD. Appointee I/We, being holder(s) of common shares of Standard Lithium Ltd. (the “Company”), hereby appoint Robert Mintak or, failing this person, Salah Gamoudi or, failing this person, Sam Cole OR _______________________________________________________________________ Print the name of the person you are appointing if this person is someone other than the individuals listed above as proxy of the undersigned, to attend, act and vote on behalf of the undersigned in accordance with the below direction (or if no directions have been given, as the proxy sees fit) on all the following matters and any other matter that may properly come before the Annual General and Special Meeting of Shareholders of the Company to be held at 10:00 a.m. (Vancouver Time) on Thursday, June 27, 2024 via live webcast at https:virtual-meetings.tsxtrust.com/1661 (the “Meeting”) and at any and all adjournments or postponements thereof in the same manner, to the same extent and with the same powers as if the undersigned were personally present, with full power of substitution. Management recommends voting FOR all Resolutions. Please use a dark black pencil or pen. 1. Number of Director FOR AGAINST To set the number of Directors at seven (7) 2. Election of Directors The election of directors 1 through 7 listed below to hold office until the earlier of (i) the next annual general meeting of shareholders or (ii) until their successors are duly elected or appointed FOR AGAINST 1. Robert Cross 2. Andrew Robinson 3. Robert Mintak 4. Jeffrey Barber 5. Volker Berl 6. Claudia D’Orazio 7. Anca Rusu 3. Appointment of Auditors FOR WITHHOLD Appointment of PricewaterhouseCoopers LLP, as Auditors of the Company for the ensuing year and authorize the Directors to fix their remuneration 4. By-Law No. 1 FOR AGAINST To approve the adoption of the new By-Law No. 1, as further described in the information circular 5. Stock Option Plan FOR AGAINST To re-approve the rolling stock option plan, as further described in the information circular 6. Long Term Incentive Plan FOR AGAINST To re-approve the long-term incentive plan, as further described in the information circular 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, this Proxy will be voted FOR a matter by Management’s appointees or, if you appoint another proxyholder, as that other proxyholder sees fit. On any amendments or variations proposed or any new business properly submitted before the Meeting, I/We authorize you to vote as you see fit. _____________________________________________ _________________________ Signature(s) Date Please sign exactly as your name(s) appear on this VIF. Please see reverse for additional instructions. All VIFs must be received by 10:00 a.m. (Vancouver time) on June 25, 2024.

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Voting Instruction Form (VIF) – Annual General and Special Meeting of Shareholders of Standard Lithium Ltd. to be held on Thursday, June 27, 2024 at 10:00 a.m. (Pacific Time) (the “Meeting”) 1. We are sending to you the enclosed proxy-related materials that relate to a meeting of the holders of the series or class of securities that are held on your behalf by the intermediary identified above. Unless you attend the meeting and vote in person, your securities can be voted only by management, as proxy holder of the registered holder, in accordance with your instructions. 2. We are prohibited from voting these securities on any of the matters to be acted upon at the meeting without your specific voting instructions. In order for these securities to be voted at the meeting, it will be necessary for us to have your specific voting instructions. Please complete and return the information requested in this VIF to provide your voting instructions to us promptly. 3. If you want to attend the meeting and vote in person, please write your name in the place provided for that purpose in this form. You can also write the name of someone else whom you wish to attend the meeting and vote on your behalf. Unless prohibited by law, the person whose name is written in the space provided will have full authority to present matters to the meeting and vote on all matters that are presented at the meeting, even if those matters are not set out in this form or the Information Circular. Consult a legal advisor if you wish to modify the authority of that person in any way. If you require help, please contact the Registered Representative who services your account. 4. This VIF should be signed by you in the exact manner as your name appears on the VIF. If these voting instructions are given on behalf of a body corporate set out the full legal name of the body corporate, the name and position of the person giving voting instructions on behalf of the body corporate and the address for service of the body corporate. 5. If this VIF is not dated, it will be deemed to bear the date on which it is mailed by management to you. 6. When properly signed and delivered, securities represented by this VIF will be voted as directed by you, however, if such a direction is not made in respect of any matter, the VIF will direct the voting of the securities to be made as recommended in the documentation provided by Management for the meeting. 7. This VIF confers discretionary authority on the appointee to vote as the appointee sees fit in respect of amendments or variations to matters identified in the notice of meeting or other matters as may properly come before the meeting or any adjournment thereof. 8. Your voting instructions will be recorded on receipt of the VIF. 9. By providing voting instructions as requested, you are acknowledging that you are the beneficial owner of, and are entitled to instruct us with respect to the voting of, these securities. 10. If you have any questions regarding the enclosed documents, please contact the Registered Representative who services your account. 11. This VIF should be read in conjunction with the Information Circular and other proxy materials provided by Management. How to Vote INTERNET • Go to www.meeting-vote.com • Cast your vote online • View Meeting documents TELEPHONE Use any touch-tone phone, call toll free in Canada and United States 1-888-489-5760 and follow the voice instructions To vote using your smartphone, please scan this QR Code ➔ To vote by telephone or Internet you will need your control number. If you vote by Internet or telephone, do not return this proxy. MAIL, FAX or EMAIL • Complete and return your signed proxy in the envelope provided or send to: TSX Trust Company P.O. Box 721 Agincourt, ON M1S 0A1 • You may alternatively fax your proxy to 416-595-9593 or scan and email to proxyvote@tmx.com. An undated proxy is deemed to be dated on the day it was received by TSX. If you wish to receive investor documents electronically in future, please visit services.tsxtrust.com/edelivery to enrol. All VIFs must be received no later than 10:00 a.m. (Pacific Time) on Tuesday, June 25, 2024.