TIER REIT Schedules Second Quarter 2017 Earnings Release and Conference Call Dates

TIER REIT, Inc. (NYSE: TIER) announced today that the Company will release its second quarter 2017 financial results on Monday, August 7, 2017, after the close of trading on the New York Stock Exchange. A live audio webcast and conference call will be held on Tuesday, August 8, 2017, at 11:00 a.m. Eastern time/10:00 a.m. Central time.

During the conference call, the Company's officers will review 2017 second quarter performance, discuss recent events and conduct a question-and-answer period.

Live Audio WebcastThe live audio webcast will be available in the Investor Relations section of the Company's website at www.tierreit.com/ir. To participate in the live audio webcast, go to the site at least 15 minutes prior to the scheduled start time in order to register, download and install any necessary software. A replay of the webcast will also be available approximately one hour after the call on the Company's website in the Investor Relations section and will be available for 30 days.

Telephone Conference CallDial in at least five minutes prior to start time.Domestic Call-In Number: 877.407.0789International Call-In Number: 201.689.8562

Conference Call PlaybackCall-in Number: 844.512.2921International: 412.317.6671Passcode: 13664749The audio playback can be accessed through August 22, 2017.

About TIER REIT, Inc.

TIER REIT, Inc. is a publicly traded (NYSE:TIER), self-managed, Dallas-based real estate investment trust focused on owning quality, well-managed commercial office properties in dynamic markets throughout the U.S. TIER REIT’s vision is to be the premier owner and operator of best-in-class office properties in TIER1 submarkets, which are primarily higher density and amenity-rich locations within select, high-growth metropolitan areas that offer a walkable experience to various amenities. Our mission is to provide unparalleled, TIER ONE Property Services to our tenants and outsized total return through stock price appreciation and dividend growth to our stockholders.

For additional information regarding TIER REIT, please visit www.tierreit.com or call 972.483.2400.

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TIER REIT, Inc.Scott McLaughlin, [e-mail]