News Release

Spok Sets Date to Report 2015 Fourth Quarter and Full Year Results

SPRINGFIELD, Va.–(BUSINESS WIRE)–Feb. 18, 2016– Spok Holdings, Inc. (NASDAQ: SPOK), a global leader in critical communications, today announced it will report operating results for the fourth quarter and year ended December 31, 2015 on Wednesday, February 24, 2016 at approximately 4:30 p.m. Eastern Time (ET).

In addition, the Company plans to host a conference call for investors to discuss its 2015 fourth quarter and full year results at10:00 a.m. ET on Thursday, February 25, 2016. Dial-in numbers for the call are 785-830-1924 or 800-533-7954. The passcode for the call is 974643. A replay of the call will be available from 1:00 p.m. ET on February 25, 2016 until 1:00 p.m. on Thursday, March 10, 2016. Replay numbers are 719-457-0820 or 888-203-1112. The passcode for the replay is 974643.