News Release

Spok Sets Date to Report Third Quarter Operating Results

Investor Conference Call Scheduled; Analyst Meeting To Be Held November 3

SPRINGFIELD, Va.–(BUSINESS WIRE)–Oct. 22, 2015– Spok Holdings, Inc. (NASDAQ: SPOK), a global leader in critical communications, today announced it will report operating results for the third quarter ended September 30, 2015 on Wednesday, October 28, 2015 at approximately 4:30 p.m. Eastern Time (ET).

In addition, the Company plans to host a conference call for investors on its third quarter results at 10:00 a.m. ET on Thursday, October 29, 2015. Dial-in numbers for the call are 212-444-0896 or 877-280-2342. The pass code for the call is 4793188. A replay of the call will be available from 1:00 p.m. ET on October 29 until 1:00 p.m. on Thursday, November 12. Replay numbers are 719-457-0820 or 888-203-1112. The pass code for the replay is 4793188.

Also, Spok will host its annual “Analyst Day” Investor Meeting for financial analysts on Tuesday, November 3, 2015 in New York City. Further details are posted on the Company’s website: https://www.spok.com/meet-spok/investor-relations. To RSVP, you may sign-up directly at surveymonkey.com/R/M69M6R7, contact Stacy Sloan at stacy.sloan@spok.com (703-269-6950), or send an email to investor.relations@spok.com.