HUDSON TECHNOLOGIES INC (HDSN) [Rocket]

In millions, except per share items	Dec-31-22	Dec-31-21	Dec-31-20	Dec-31-19	Dec-31-18	Dec-31-17	Dec-31-16	Dec-31-15
	10-K	10-K	10-K	10-K	10-K	10-K	10-K	10-K
Revenues	325.2	192.7	147.6	162.1	166.5	140.4	105.5	79.7
Revenues growth	68.7%	30.6%	-8.9%	-2.7%	18.6%	33.1%	32.3%	42.8%
Cost of sales	162.3	121.1	112.2	144.9	173.9	102.4	74.4
Gross profit	162.9	71.7	35.4	17.2	-7.4	38.0	31.1	18.5
Gross margin	50.1%	37.2%	24.0%	10.6%	-4.4%	27.1%	29.5%	23.2%

Operating expenses:
Selling, general and administrative	28.6	26.6	26.6	30.0	32.3	21.7	11.7	9.8
Amortization	2.8	2.8	2.9	2.9	3.0	1.1	0.5	0.5
Total operating expenses	31.4	29.4	29.5	32.9	35.2	22.9	12.1	10.3
Operating income	131.5	42.3	5.9	-15.8	-42.6	15.1	18.9	8.2
Operating margin	40.4%	21.9%	4.0%	-9.7%	-25.6%	10.8%	18.0%	10.3%

Other expense:
Net interest expense	-14.3	-11.4	-12.3	-18.9	-14.8	-3.2	-1.1	-0.8
Income before income taxes	117.2	33.4	-5.4
Income tax expense	13.4	1.1	-0.2	0.7	-1.7	0.8	6.6	2.9
Net income	103.8	32.3	-5.2	-25.9	-55.7	11.2	10.6	4.8

Net income per common share - Basic	$2.31	$0.74	($0.12)	($0.61)	($1.31)	$0.27	$0.31	$0.15
Net income per common share - Diluted	$2.20	$0.69	($0.12)	($0.61)	($1.31)	$0.26	$0.30	$0.14

Weighted average number of shares outstanding - Basic	45.0	43.8	42.7	42.6	42.5	41.8	34.1	32.5
Weighted average number of shares outstanding - Diluted	47.1	46.6	42.7	42.6	42.5	42.8	35.4	33.9