144 0001300407 XXXXXXXX LIVE 0001289945 Spok Holdings, Inc 001-32358 3000 TECHNOLOGY DRIVE SUITE 400 PLANO TX 75074 800-611-8488 Braeside Capital, L.P. Affiliate of Director Common Stock, par value $0.0001 per share Interactive Brokers LLC

Two Pickwick Plaza Greenwich CT 06830

95000 1571300.00 20419025 03/03/2025 NASDAQ Common Stock, par value $0.0001 per share 12/05/2022 Purchases of shares of Common Stock in the open market Purchases from counterparties in open market transactions (1) N 95000 12/05/2022 Cash Y (1) Shares of Common Stock to be sold were purchased between November 30, 2007 and December 5, 2022 in various open market transactions. 03/03/2025 /s/ Todd Stein, authorized signatory of Braeside Capital, L.P.