Valentin Gapontsev Trust I

Date	Owner	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
23 Apr 24	Valentin Gapontsev Trust I	Common Stock	Sell	Dispose S	No	Yes	86.17	2,525	217.58 k	7,200,599
23 Apr 24	Valentin Gapontsev Trust I	Common Stock	Sell	Dispose S	No	Yes	85.74	6,475	555.17 k	7,203,124
25 Mar 24	Valentin Gapontsev Trust I	Common Stock	Sell	Dispose S	No	Yes	90	1,962	176.58 k	7,209,599
25 Mar 24	Valentin Gapontsev Trust I	Common Stock	Sell	Dispose S	No	Yes	89.45	8,038	719.00 k	7,211,561
23 Feb 24	Valentin Gapontsev Trust I	Common Stock	Sell	Dispose S	No	Yes	86.51	200	17.30 k	7,219,599
23 Feb 24	Valentin Gapontsev Trust I	Common Stock	Sell	Dispose S	No	Yes	85.66	9,800	839.47 k	7,219,799
8 Dec 23	Valentin Gapontsev Trust I	Common Stock	Sell	Dispose S	No	Yes	100.24	1,127	112.97 k	7,229,599
8 Dec 23	Valentin Gapontsev Trust I	Common Stock	Sell	Dispose S	No	Yes	99.36	7,123	707.74 k	7,230,726
24 Nov 23	Valentin Gapontsev Trust I	Common Stock	Sell	Dispose S	No	Yes	95.34	8,250	786.56 k	7,237,849

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.