News Release

Spok Sets Date to Report 2018 Second Quarter Results

Investor Conference Call Scheduled

SPRINGFIELD, Va.–(BUSINESS WIRE)–Jul. 20, 2018— Spok Holdings, Inc. (NASDAQ: SPOK), a global leader in critical communications, today announced it will report operating results for the second quarter ended June 30, 2018 on Wednesday, July 25, 2018 after market close, at approximately 4:30 p.m. Eastern Time (ET). In addition, the Company plans to host a conference call for investors to discuss its 2018 second quarter results at 10:00 a.m. ET on Thursday, July 26, 2018. Dial-in numbers for the call are 334-323-0522 or 877-260-1479. The pass code for the call is 8594119. A replay of the call will be available from 1:00 p.m. ET on July 26, 2018 until 1:00 p.m. ET on Thursday, August 9, 2018. To listen to the replay, please register at HTTP://TINYURL.COM/SPOK2018Q2EARNINGSREPLAY. Please cut and paste this address into your browser, enter the registration information, and you will be given access to the replay.