Exhibit 99.1 HUDSON TECHNOLOGIES REPORTS FOURTH QUARTER AND YEAR END 2023 RESULTS WOODCLIFF LAKE, NJ – MARCH 6, 2024 – Hudson Technologies, Inc. (NASDAQ: HDSN) announced results for the fourth quarter and year ended December 31, 2023. For the quarter ended December 31, 2023, Hudson reported revenues of $44.9 million, a decrease of 5$47.4 million in the comparable 2022 period. The decrease is primarily related to decreased selling prices for certain refrigerants, offset by slightly ...