Orion Office REIT Inc. Announces Third Quarter 2024 Earnings Release and Webcast Dates

Orion Office REIT Inc. (NYSE: ONL) (“Orion” or the “Company”), a fully-integrated real estate investment trust focused on the ownership, acquisition and management of a diversified portfolio of single-tenant net lease office properties located across the United States, announced today that it will release its operating results for the third quarter ended September 30, 2024 after market close on Thursday, November 7, 2024.

Webcast and Conference Call Information Orion will host a webcast and conference call to review its results at 10:00 a.m. ET on Friday, November 8, 2024. The webcast and call will be hosted by Paul McDowell, Chief Executive Officer and President, and Gavin Brandon, Chief Financial Officer, Executive Vice President and Treasurer. To participate, the webcast can be accessed live by visiting the “Investors” section of Orion’s website at onlreit.com/investors. To join the conference call, callers from the United States and Canada should dial 1-877-407-3982, and international callers should dial 1-201-493-6780, ten minutes prior to the scheduled call time.

Replay Information A replay of the webcast may be accessed by visiting the “Investors” section of Orion’s website at onlreit.com/investors. The conference call replay will be available after 1:00 p.m. ET on Friday, November 8, 2024 through 11:59 p.m. ET on Friday, November 22, 2024. To access the replay, callers may dial 1-844-512-2921 (domestic) or 1-412-317-6671 (international) and use passcode, 13748632.

About Orion Office REIT Inc. Orion Office REIT Inc. is an internally-managed real estate investment trust engaged in the ownership, acquisition and management of a diversified portfolio of office buildings located in high-quality suburban markets across the United States and leased primarily on a single-tenant net lease basis to creditworthy tenants. The Company was founded on July 1, 2021, spun-off from Realty Income (NYSE: O) on November 12, 2021 and began trading on the New York Stock Exchange on November 15, 2021. The Company is headquartered in Phoenix, Arizona and has an office in New York, New York. For additional information on the Company and its properties, please visit onlreit.com.

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