Exhibit 99.3
Please login at least 15 minutes before the start of the meeting and ensu r e y our w eb b r o w ser and in t ernet c onnection a r e w orking p r oper l y . VI R TUA L MEETIN G GUIDE — — Thi s y ea r w e wil l b e c onducting a virtual sha r eho l de r s ’ meeting, givin g y o u th e opportunit y t o a t t end th e meetin g online , usin g y our smartphone, tablet or computer. Y ou will be ab le t o vi e w a li v e w eb c a s t of the meeting, ask the boa r d que s tions and submit y our v o t es in r eal time. Appointing someone t o be y our p r o x yho l der I f y o u appoin t someon e t o b e y our p r ox y , othe r tha n th e individual(s) name d o n th e f or m o f p r ox y or v otin g in s tructio n f orm , y o u or y ou r p r ox y wil l nee d t o c omp l e t e and return the Request For Control Numbe r F or m (se e lin k be l o w). Non - R egi s t e r ed Ho lde r s Non - registered holders, holding shares through a broker or financial institution, should carefully follow the instructions set out on the v oting in s truction form and in the information ci r cul a r . P l ease no t e that on l y r egi s t e r ed sha r eho l de r s and p r o xy ho l de r s a r e permi t t ed t o v o t e at the meeting. A non - registered sha r eho l der wishing t o v o t e at the meeting, must appoint themse l v es as a p r o xyho l d e r , and also c omp l e t e and r eturn the f orm f ound at the link be l o w . D O WN L O A D REQUE S T F OR C ONT R OL NUMBE R F ORM tsxtrust.com/resource/en/75 A t t ending the Sha r eho l der Meeting Electronically Simply go to the following website in your web browser (not a Google search) on your smartphone, tablet or computer. You will need the latest versions of Chrome, Safari, Edge or Firefox. Please ensure your browser is compatible by l ogging in ear l y . PLEA SE DO N O T USE INTERNET EXP L ORER I ha ve a c ont r ol number If y ou ha v e r e c ei v ed a f orm of p r oxy f r om our transfer agent, TSX Trust Company, with a cont r ol numbe r , se l ect “I ha v e a cont r ol number” and enter your control number and this case sensitive password: I am a Gue s t If y ou do not ha v e a cont r ol number se l ect “I am a Gue s t ” and fill in the required information. MEDICENNA THERAPEUTICS CORP. SEPTEMBER 23, 2021 tsxtrust.com 10:00AM (EDT) https://virtual - meetings.tsxtrust.com/1217 medicenna2021
If you would like to ask a question, select the T ype y our me s sage within the chat b o x in the me s saging sc r een. On c e y ou a r e hap p y with y our me s sage click the “ A sk N o w ” bu t t on Questions sent via TSX Trust Virtual Meeting platform will be moderated before being sent to the Chair. Navigation When successfully authenticated, the info screen will be displayed. You can view the company information, ask questions and watch the webcast. If you would like to watch the webcast press the play icon. If viewing on a computer, the webcast will appear automatically once the meeting has started. Voting On c e the v oting is announ ced, click the v oting ic on on the left hand side. To vote, simply select your voting direction from the options shown on screen and click Submit . A confirmation message will appear to show your vote has been received. If you have additional control numbers to vote, click at the top t o en t er the additional c redential. T o change y our v o t e, simp l y click Voting will remain open until the voting on the ballot is closed. — — Questions Eligible shareholders attending the meeting may ask questions during the meeting. Messages can be submitted at any time during the Q&A session up until the Chair closes the session. icon on the left. tsxtrust.com