HONOLULU, April 26, 2018 (GLOBE NEWSWIRE) — Hawaiian Telcom Holdco, Inc. (NASDAQ:HCOM), Hawai‘i’s leading fiber-based integrated communications provider, announced today that it plans to release its first quarter 2018 results before market opening on Thursday, May 10, 2018.  The Company will not host a conference call to discuss these financial results due to the pending merger with Cincinnati Bell.