X0306 4 2018-03-08 0 0001487986 Hawaiian Telcom Holdco, Inc. HCOM 0001391889 Barber Scott K C/O HAWAIIAN TELCOM HOLDCO, INC. 1177 BISHOP STREET HONOLULU HI 96813 1 1 0 0 Chief Executive Officer Common Stock 2018-03-08 4 A 0 15430 0.00 A 70121 D Common Stock 2018-03-12 4 A 0 4614 0.00 A 74735 D Common Stock 2018-03-12 4 D 0 711 0.00 D 74024 D Common Stock 2018-03-12 4 F 0 5455 27.95 D 68569 D Represent shares of Common Stock issuable upon settlement of the time-based portion of restricted stock units which vest in four equal annual installments with the vesting dates beginning March 12, 2019 and ending March 12, 2022. Represent shares of Common Stock issued upon settlement of the performance-based portion of restricted stock units granted on March 9, 2015, June 20, 2015 and March 3, 2016 based on the Compensation Committee determination that the 2017 performance targets were met. 711 shares were forfeited from the 2014 grant for failure to meet 100% of 2017 performance targets. Shares withheld by the Issuer in payment of the withholding tax liability. The amount of shares withheld is based on the closing price on March 12, 2018. /s/ Sean Clark, as Attorney-in-Fact for Scott K. Barber. 2018-03-12