Investor Presentaiton

ENVIRONMENTAL PERFORMANCE GRESB Participation & Results ■ GRES B 2020 Columbia achieved GRESB Green Star designation as a first-time responder in 2020, for our efforts in the 2018-2019 years. ■ Achieved a score 22% higher than the average first-time responder in 2019* ■ ◉ Achieved 3 out of 5 GRESB Green Stars Achieved GRESB Public Disclosure "A" Rating Responded to GRESB Resilience Module *Most recent year for which GRESB reported a first-time respondent score. 13

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