Exhibit 1 NAVIGATOR HOLDINGS LTD. PRELIMINARY FOURTH QUARTER AND FINANCIAL YEAR 2022 RESULTS (UNAUDITED) Highlights • Navigator Holdings Ltd. (the “Company”, “we”, “our” and “us”) (NYSE: NVGS) reported operating revenue of $123.3 million for the three months ended December 31, 2022, compared to $132.3 million for the three months ended December 31, 2021. Operating revenue for the year ended December 31, 2022, amounted to $473.8 million, compared to $406.5 million for the year ended December 31, 2021. • Net ...