Investor Presentaiton

RECENT HIGHLIGHTS AND 2022 OUTLOOK CITY OFFICE REIT SECOND QUARTER 2022 Core FFO per share of $0.40 and AFFO per share of $0.18 Matches highest Core FFO per share in the Company's history Quarterly common dividend of $0.20 per share Executed approximately 254,000 SF of new and renewal leases During the quarter and subsequent to quarter end, completed the repurchase of 2,302,694 shares of common stock at an average gross price of $13.11 per share for an aggregate cost of approximately $30.2 million 2022 UPDATED GUIDANCE (1) Previous Updated Bloc 83, Raleigh Full Year 2022 Acquisitions Dispositions Net Operating Income Interest Expense Core FFO per Share December 31, 2022 Occupancy Same Store Cash NOI Change Low High Low High $0.0M $0.0M $0.0M $0.0M $0.0M $44.0M $43.8M $43.8M $113.0M $115.0M $111.5M $112.5M $24.0M $25.0M $26.0M $27.0M $1.56 $1.60 $1.54 $1.57 86.5% 88.5% 85.5% 87.0% (6.0%) (4.0%) (6.0%) (4.0%) Midpoint of 2022 Core FFO per Share guidance is 14% higher than actual 2021 Core FFO per Share Q2 2022 updates to guidance reflect higher interest expense projections, adjusted lease timing expectations and impact of completed share repurchases High end of guidance assumes completion of the balance of the $50 million share repurchase program (1) See the Company's Q2 2022 earnings press release for further discussion of the material assumptions underlying the Company's guidance. This outlook reflects management's current view of current and future operations and market conditions, which management cannot guarantee will occur as expected, or at all, including the impact of the COVID-19 pandemic, which is impossible to predict 11

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