NAVIGATOR HOLDINGS LTD. Preliminary Third Quarter 2017 Results

Highlights

◾ Navigator Holdings Ltd. (NYSE: NVGS) (the “Company”) reported operating revenue of $70.2 million for the three months

ended September 30, 2017.

◾ EBITDA(1) was $27.1 million for the three months ended September 30, 2017.

◾ Earnings were a net loss of $1.1 million for the three months ended September 30, 2017, or $0.02 loss per share.

◾ Took delivery of Navigator Jorf, a 38,000 cbm fully-refrigerated vessel from HMD on July 20, 2017. The vessel commenced

a ten year time charter on August 22, 2017.

◾ Earlier today, we took delivery of Navigator Prominence, a 37,300 cubic meter semi-refrigerated gas carrier and our final newbuilding. We drew down $51.2 million from a bank loan facility to partially finance the delivery installment.

◾ We continue to see strong demand for the proposed ethylene marine export terminal on the Houston Ship Channel, the proposed joint venture with Enterprise Product Partners L.P. announced in July.