Who has the right to receive notice and vote You are entitled to receive notice of and to vote at the meeting if you are a shareholder of record at the close of business on March 22, 2019. Your vote is important The accompanying management proxy circular includes important information about the meeting and the voting process. Please read it carefully and remember to vote. To be used at the meeting, completed proxies must be returned to AST Trust Company (Canada), Attention: Proxy Department, P.O. Box 721, Agincourt, Ontario M1S 0A1 so that they arrive by 4:00 p.m. (Saskatoon time) on Tuesday, May 7, 2019 or, if the meeting is adjourned or postponed, by not less than 48 hours (excluding Saturdays, Sundays and holidays) before the time and date of the adjourned or postponed meeting. The time limit for the deposit of proxies may be waived or extended by the chair of the meeting at his or her discretion, without notice, and the chair of the meeting is under no obligation to accept or reject any particular late proxy. Non-registered (beneficial) shareholders should follow the instructions on the voting instruction form or other form of proxy provided by their intermediaries with respect to the procedures to be followed for voting. Questions If you have any questions or need assistance to vote, please contact our strategic shareholder advisor and proxy solicitation agent, Kingsdale Advisors, by toll-free telephone in North America at1-866-581-0507 or collect call at1-416-867-2272 outside North America, or by email atcontactus@kingsdaleadvisors.com. By Order of the Board of Directors 
Robert A. Kirkpatrick, Q.C. Vice President & Corporate Secretary March 22, 2019 | 
