Exhibit 99.1

SCHEDULE I

Transactions in the Securities of the Issuer During the Past Sixty Days

Name	Date	Price per Share¹	Number of Shares Purchased/(Sold)
DESIM	10/2/2025	$11.66	100
Valence	10/2/2025	$11.60²	14,008
DESIM	10/2/2025	$11.72³	(500)
Galvanic	10/2/2025	$12.07⁴	(992)
Oculus	10/2/2025	$11.83⁵	(1,000)
Valence	10/2/2025	$11.77⁶	(1,256)
Oculus	10/3/2025	$11.71⁷	200
Valence	10/3/2025	$11.66⁸	25,502
DESIM	10/3/2025	$11.74⁹	(300)
Galvanic	10/3/2025	$11.69¹⁰	(17,471)
Oculus	10/3/2025	$11.66¹¹	(690)
Valence	10/3/2025	$12.00¹²	(5,283)
DESIM	10/6/2025	$11.97	100
Oculus	10/6/2025	$11.89¹³	200
Valence	10/6/2025	$11.86¹⁴	11,602
DESIM	10/7/2025	$11.70	100
Valence	10/7/2025	$11.75¹⁵	6,593
Galvanic	10/7/2025	$11.71¹⁶	(9,000)
Valence	10/7/2025	$11.63¹⁷	(192)
DESIM	10/8/2025	$11.81	20
Oculus	10/8/2025	$11.84¹⁸	300

¹ Price per Share does not include any brokerage commissions or service charges. Where weighted average price is used for the reported transactions, the Reporting Persons undertake to provide upon request by the SEC, full information regarding the number of Shares purchased or sold at each separate price.

² A weighted average price based on prices ranging from $11.44 to $12.04.

³ A weighted average price based on prices ranging from $11.50 to $11.92.

⁴ A weighted average price based on prices ranging from $12.01 to $12.19.

⁵ A weighted average price based on prices ranging from $11.50 to $12.25.

⁶ A weighted average price based on prices ranging from $11.50 to $12.12.

⁷ A weighted average price based on prices ranging from $11.70 to $11.71.

⁸ A weighted average price based on prices ranging from $11.47 to $11.84.

⁹ A weighted average price based on prices ranging from $11.64 to $11.79.

¹⁰ A weighted average price based on prices ranging from $11.50 to $12.00.

¹¹ A weighted average price based on prices ranging from $11.60 to $11.78.

¹² A weighted average price based on prices ranging from $11.51 to $12.02.

¹³ A weighted average price based on prices ranging from $11.85 to $11.92.

¹⁴ A weighted average price based on prices ranging from $11.75 to $12.03.

¹⁵ A weighted average price based on prices ranging from $11.65 to $11.93.

¹⁶ A weighted average price based on prices ranging from $11.54 to $11.90.

¹⁷ A weighted average price based on prices ranging from $11.55 to $11.70.

¹⁸ A weighted average price based on prices ranging from $11.82 to $11.88.

Valence	10/8/2025	$11.83¹⁹	4,490
Galvanic	10/8/2025	$11.80²⁰	(5,000)
DESIM	10/9/2025	$11.75	35
Oculus	10/9/2025	$11.74²¹	580
Valence	10/9/2025	$11.76²²	8,988
Galvanic	10/9/2025	$11.78²³	(6,900)
Valence	10/9/2025	$11.70	(100)
DESIM	10/10/2025	$11.63	100
Oculus	10/10/2025	$12.04²⁴	226
Valence	10/10/2025	$11.66²⁵	6,220
Galvanic	10/10/2025	$11.91²⁶	(800)
Oculus	10/10/2025	$11.70	(100)
Valence	10/10/2025	$11.64²⁷	(5,329)
Oculus	10/13/2025	$11.91²⁸	277
Valence	10/13/2025	$12.06²⁹	2,923
DESIM	10/13/2025	$12.01³⁰	(600)
Oculus	10/13/2025	$12.02³¹	(300)
Valence	10/13/2025	$11.86³²	(700)
Oculus	10/14/2025	$12.26³³	243
Valence	10/14/2025	$12.35³⁴	5,572
DESIM	10/14/2025	$12.48	(200)
Valence	10/14/2025	$12.11	(100)
Oculus	10/15/2025	$12.47³⁵	276
Valence	10/15/2025	$12.47³⁶	3,401
DESIM	10/15/2025	$12.56³⁷	(500)
Oculus	10/15/2025	$12.52	(86)
Valence	10/15/2025	$12.47³⁸	(277)

¹⁹ A weighted average price based on prices ranging from $11.69 to $11.94.

²⁰ A weighted average price based on prices ranging from $11.73 to $11.93.

²¹ A weighted average price based on prices ranging from $11.67 to $11.84.

²² A weighted average price based on prices ranging from $11.59 to $11.92.

²³ A weighted average price based on prices ranging from $11.57 to $11.90.

²⁴ A weighted average price based on prices ranging from $11.94 to $12.11.

²⁵ A weighted average price based on prices ranging from $11.48 to $12.10.

²⁶ A weighted average price based on prices ranging from $11.75 to $12.04.

²⁷ A weighted average price based on prices ranging from $11.53 to $11.74.

²⁸ A weighted average price based on prices ranging from $11.71 to $12.08.

²⁹ A weighted average price based on prices ranging from $11.88 to $12.12.

³⁰ A weighted average price based on prices ranging from $11.91 to $12.13.

³¹ A weighted average price based on prices ranging from $12.02 to $12.03.

³² A weighted average price based on prices ranging from $11.73 to $12.03.

³³ A weighted average price based on prices ranging from $12.06 to $12.47.

³⁴ A weighted average price based on prices ranging from $12.03 to $12.50.

³⁵ A weighted average price based on prices ranging from $12.34 to $12.61.

³⁶ A weighted average price based on prices ranging from $12.22 to $12.64.

³⁷ A weighted average price based on prices ranging from $12.38 to $12.64.

³⁸ A weighted average price based on prices ranging from $12.42 to $12.50.

Oculus	10/16/2025	$12.29³⁹	300
Valence	10/16/2025	$12.34⁴⁰	906
Oculus	10/16/2025	$12.36	(100)
Valence	10/16/2025	$12.37⁴¹	(12,751)
Oculus	10/17/2025	$12.30⁴²	124
Valence	10/17/2025	$12.32⁴³	1,076
DESIM	10/17/2025	$12.43	(100)
Galvanic	10/17/2025	$12.32⁴⁴	(7,100)
Oculus	10/17/2025	$12.42	(100)
Valence	10/17/2025	$12.35⁴⁵	(6,755)
Oculus	10/20/2025	$12.65⁴⁶	376
Valence	10/20/2025	$12.59⁴⁷	2,032
Galvanic	10/20/2025	$12.73⁴⁸	(5,536)
Valence	10/20/2025	$12.89⁴⁹	(6,600)
Oculus	10/21/2025	$12.92⁵⁰	224
Valence	10/21/2025	$12.88⁵¹	1,876
Galvanic	10/21/2025	$12.85⁵²	(6,700)
Oculus	10/22/2025	$12.74⁵³	200
Valence	10/22/2025	$12.86⁵⁴	1,765
Valence	10/22/2025	$12.76⁵⁵	(5,899)
Oculus	10/23/2025	$13.16⁵⁶	200
Valence	10/23/2025	$13.03⁵⁷	900
DESIM	10/23/2025	$13.05	(100)
Galvanic	10/23/2025	$13.09⁵⁸	(8,500)
Oculus	10/23/2025	$12.88⁵⁹	(393)

³⁹ A weighted average price based on prices ranging from $12.18 to $12.41.

⁴⁰ A weighted average price based on prices ranging from $12.20 to $12.47.

⁴¹ A weighted average price based on prices ranging from $12.26 to $12.57.

⁴² A weighted average price based on prices ranging from $12.26 to $12.41.

⁴³ A weighted average price based on prices ranging from $12.25 to $12.41.

⁴⁴ A weighted average price based on prices ranging from $12.23 to $12.42.

⁴⁵ A weighted average price based on prices ranging from $12.25 to $12.45.

⁴⁶ A weighted average price based on prices ranging from $12.50 to $12.82.

⁴⁷ A weighted average price based on prices ranging from $12.45 to $12.82.

⁴⁸ A weighted average price based on prices ranging from $12.47 to $12.94.

⁴⁹ A weighted average price based on prices ranging from $12.51 to $12.94.

⁵⁰ A weighted average price based on prices ranging from $12.79 to $12.97.

⁵¹ A weighted average price based on prices ranging from $12.74 to $13.00.

⁵² A weighted average price based on prices ranging from $12.73 to $13.00.

⁵³ A weighted average price based on prices ranging from $12.62 to $12.88.

⁵⁴ A weighted average price based on prices ranging from $12.62 to $12.97.

⁵⁵ A weighted average price based on prices ranging from $12.60 to $12.84.

⁵⁶ A weighted average price based on prices ranging from $13.09 to $13.23.

⁵⁷ A weighted average price based on prices ranging from $12.73 to $13.27.

⁵⁸ A weighted average price based on prices ranging from $12.70 to $13.28.

⁵⁹ A weighted average price based on prices ranging from $12.72 to $13.23.

Valence	10/23/2025	$12.96⁶⁰	(2,660)
Oculus	10/24/2025	$13.46⁶¹	200
Valence	10/24/2025	$13.47⁶²	7,155
DESIM	10/24/2025	$13.48⁶³	(938)
Galvanic	10/24/2025	$13.42⁶⁴	(6,000)
Oculus	10/27/2025	$13.25⁶⁵	478
Valence	10/27/2025	$13.33⁶⁶	2,171
DESIM	10/27/2025	$13.34	(100)
Galvanic	10/27/2025	$13.18⁶⁷	(4,500)
Oculus	10/27/2025	$13.17⁶⁸	(403)
Valence	10/27/2025	$13.15⁶⁹	(928)
Oculus	10/28/2025	$13.07⁷⁰	222
Valence	10/28/2025	$12.99⁷¹	2,983
Galvanic	10/28/2025	$13.05⁷²	(3,800)
Oculus	10/28/2025	$12.98⁷³	(200)
Valence	10/28/2025	$13.12⁷⁴	(1,501)
DESIM	10/29/2025	$12.81⁷⁵	1,800
Oculus	10/29/2025	$12.76⁷⁶	383
Valence	10/29/2025	$12.90⁷⁷	6,533
Galvanic	10/29/2025	$12.78⁷⁸	(9,000)
Valence	10/29/2025	$12.57⁷⁹	(900)
DESIM	10/30/2025	$12.37⁸⁰	1,100
Valence	10/30/2025	$12.38⁸¹	4,613
Galvanic	10/30/2025	$12.32⁸²	(7,500)

⁶⁰ A weighted average price based on prices ranging from $12.71 to $13.26.

⁶¹ A weighted average price based on prices ranging from $13.41 to $13.48.

⁶² A weighted average price based on prices ranging from $13.38 to $13.51.

⁶³ A weighted average price based on prices ranging from $13.47 to $13.49.

⁶⁴ A weighted average price based on prices ranging from $13.34 to $13.50.

⁶⁵ A weighted average price based on prices ranging from $13.11 to $13.37.

⁶⁶ A weighted average price based on prices ranging from $13.08 to $13.43.

⁶⁷ A weighted average price based on prices ranging from $13.06 to $13.44.

⁶⁸ A weighted average price based on prices ranging from $13.10 to $13.34.

⁶⁹ A weighted average price based on prices ranging from $13.11 to $13.19.

⁷⁰ A weighted average price based on prices ranging from $13.01 to $13.11.

⁷¹ A weighted average price based on prices ranging from $12.97 to $13.26.

⁷² A weighted average price based on prices ranging from $12.92 to $13.26.

⁷³ A weighted average price based on prices ranging from $12.95 to $13.00.

⁷⁴ A weighted average price based on prices ranging from $12.96 to $13.26.

⁷⁵ A weighted average price based on prices ranging from $12.49 to $12.98.

⁷⁶ A weighted average price based on prices ranging from $12.37 to $12.94.

⁷⁷ A weighted average price based on prices ranging from $12.54 to $13.04.

⁷⁸ A weighted average price based on prices ranging from $12.50 to $13.03.

⁷⁹ A weighted average price based on prices ranging from $12.34 to $12.66.

⁸⁰ A weighted average price based on prices ranging from $12.28 to $12.60.

⁸¹ A weighted average price based on prices ranging from $12.25 to $12.66.

⁸² A weighted average price based on prices ranging from $12.25 to $12.51.

Valence	10/30/2025	$12.31⁸³	(300)
DESIM	10/31/2025	$12.36⁸⁴	600
Valence	10/31/2025	$12.26⁸⁵	12,922
Galvanic	10/31/2025	$12.26⁸⁶	(6,000)
Valence	10/31/2025	$12.36⁸⁷	(300)
DESIM	11/3/2025	$12.16⁸⁸	500
Valence	11/3/2025	$12.14⁸⁹	13,433
Galvanic	11/3/2025	$12.10⁹⁰	(23,700)
Valence	11/3/2025	$12.15⁹¹	(2,100)
DESIM	11/4/2025	$12.03⁹²	600
Valence	11/4/2025	$12.00⁹³	6,881
Galvanic	11/4/2025	$11.97⁹⁴	(7,400)
Valence	11/4/2025	$11.99⁹⁵	(682)
Valence	11/4/2025	$12.62	(37,800)
DESIM	11/5/2025	$12.16⁹⁶	500
Valence	11/5/2025	$12.18⁹⁷	8,762
Galvanic	11/5/2025	$12.19⁹⁸	(9,900)
Valence	11/5/2025	$12.12⁹⁹	(197)
DESIM	11/6/2025	$12.25¹⁰⁰	2,411
Valence	11/6/2025	$12.25¹⁰¹	10,485
Galvanic	11/6/2025	$12.24¹⁰²	(11,500)
Valence	11/6/2025	$12.27¹⁰³	(1,587)
Composite	11/7/2025	$12.26	100
DESIM	11/7/2025	$12.06¹⁰⁴	1,412

⁸³ A weighted average price based on prices ranging from $12.28 to $12.37.

⁸⁴ A weighted average price based on prices ranging from $12.25 to $12.44.

⁸⁵ A weighted average price based on prices ranging from $12.11 to $12.53.

⁸⁶ A weighted average price based on prices ranging from $12.11 to $12.52.

⁸⁷ A weighted average price based on prices ranging from $12.24 to $12.52.

⁸⁸ A weighted average price based on prices ranging from $12.09 to $12.29.

⁸⁹ A weighted average price based on prices ranging from $11.95 to $12.27.

⁹⁰ A weighted average price based on prices ranging from $11.93 to $12.30.

⁹¹ A weighted average price based on prices ranging from $12.05 to $12.30.

⁹² A weighted average price based on prices ranging from $11.95 to $12.08.

⁹³ A weighted average price based on prices ranging from $11.83 to $12.11.

⁹⁴ A weighted average price based on prices ranging from $11.85 to $12.09.

⁹⁵ A weighted average price based on prices ranging from $11.91 to $12.03.

⁹⁶ A weighted average price based on prices ranging from $12.08 to $12.25.

⁹⁷ A weighted average price based on prices ranging from $11.91 to $12.40.

⁹⁸ A weighted average price based on prices ranging from $11.92 to $12.41.

⁹⁹ A weighted average price based on prices ranging from $12.05 to $12.20.

¹⁰⁰ A weighted average price based on prices ranging from $12.11 to $12.41.

¹⁰¹ A weighted average price based on prices ranging from $12.12 to $12.40.

¹⁰² A weighted average price based on prices ranging from $12.10 to $12.40.

¹⁰³ A weighted average price based on prices ranging from $12.13 to $12.27.

¹⁰⁴ A weighted average price based on prices ranging from $11.94 to $12.20.

Valence	11/7/2025	$12.08¹⁰⁵	24,359
Galvanic	11/7/2025	$12.12¹⁰⁶	(17,100)
Oculus	11/7/2025	$12.22	(100)
Valence	11/7/2025	$12.05¹⁰⁷	(723)
Composite	11/10/2025	$11.72	100
DESIM	11/10/2025	$12.40¹⁰⁸	500
Valence	11/10/2025	$12.54¹⁰⁹	15,941
Oculus	11/10/2025	$11.81¹¹⁰	(348)
Valence	11/10/2025	$11.72¹¹¹	(1,791)
Valence	11/11/2025	$13.37¹¹²	19,422
Oculus	11/11/2025	$13.28¹¹³	(600)
Valence	11/12/2025	$13.50¹¹⁴	15,460
DESIM	11/12/2025	$13.43¹¹⁵	(400)
Oculus	11/12/2025	$13.49¹¹⁶	(900)
Valence	11/12/2025	$13.43¹¹⁷	(565)
DESIM	11/13/2025	$13.18	100
Valence	11/13/2025	$13.28¹¹⁸	1,300
Oculus	11/13/2025	$13.23¹¹⁹	(3,700)
Valence	11/13/2025	$13.25¹²⁰	(28,486)
Valence	11/14/2025	$13.45¹²¹	900
DESIM	11/14/2025	$13.07	(100)
Oculus	11/14/2025	$13.43¹²²	(3,200)
Valence	11/14/2025	$13.35¹²³	(10,327)
Valence	11/17/2025	$13.50¹²⁴	1,139
DESIM	11/17/2025	$13.51¹²⁵	(2,553)

¹⁰⁵ A weighted average price based on prices ranging from $11.86 to $12.27.

¹⁰⁶ A weighted average price based on prices ranging from $11.94 to $12.27.

¹⁰⁷ A weighted average price based on prices ranging from $11.93 to $12.25.

¹⁰⁸ A weighted average price based on prices ranging from $11.90 to $12.69.

¹⁰⁹ A weighted average price based on prices ranging from $11.92 to $12.89.

¹¹⁰ A weighted average price based on prices ranging from $11.55 to $12.26.

¹¹¹ A weighted average price based on prices ranging from $11.38 to $12.32.

¹¹² A weighted average price based on prices ranging from $12.87 to $13.59.

¹¹³ A weighted average price based on prices ranging from $13.02 to $13.45.

¹¹⁴ A weighted average price based on prices ranging from $13.30 to $13.81.

¹¹⁵ A weighted average price based on prices ranging from $13.31 to $13.55.

¹¹⁶ A weighted average price based on prices ranging from $13.36 to $13.56.

¹¹⁷ A weighted average price based on prices ranging from $13.34 to $13.51.

¹¹⁸ A weighted average price based on prices ranging from $13.13 to $13.49.

¹¹⁹ A weighted average price based on prices ranging from $13.07 to $13.51.

¹²⁰ A weighted average price based on prices ranging from $13.04 to $13.51.

¹²¹ A weighted average price based on prices ranging from $13.07 to $13.62.

¹²² A weighted average price based on prices ranging from $13.07 to $13.68.

¹²³ A weighted average price based on prices ranging from $13.04 to $13.65.

¹²⁴ A weighted average price based on prices ranging from $13.43 to $13.68.

¹²⁵ A weighted average price based on prices ranging from $13.43 to $13.67.

Oculus	11/17/2025	$13.50¹²⁶	(5,894)
Valence	11/17/2025	$13.50¹²⁷	(30,584)
Valence	11/18/2025	$13.12¹²⁸	871
DESIM	11/18/2025	$13.07¹²⁹	(3,000)
Oculus	11/18/2025	$13.09¹³⁰	(9,879)
Valence	11/18/2025	$13.08¹³¹	(30,979)
Valence	11/19/2025	$13.31¹³²	662
DESIM	11/19/2025	$13.27¹³³	(2,021)
Oculus	11/19/2025	$13.29¹³⁴	(6,402)
Valence	11/19/2025	$13.29¹³⁵	(31,524)
Valence	11/20/2025	$13.60¹³⁶	1,300
DESIM	11/20/2025	$13.57¹³⁷	(3,200)
Oculus	11/20/2025	$13.51¹³⁸	(7,617)
Valence	11/20/2025	$13.50¹³⁹	(28,737)
Valence	11/21/2025	$15.00	(11,100)¹⁴⁰
Galvanic	11/21/2025	$17.20¹⁴¹	3,044
Valence	11/21/2025	$17.46¹⁴²	47,647
Valence	11/21/2025	$18.27	100
DESIM	11/21/2025	$17.40¹⁴³	(12,562)
Oculus	11/21/2025	$17.43¹⁴⁴	(21,515)
Oculus	11/21/2025	$18.47¹⁴⁵	(200)
Valence	11/21/2025	$17.57¹⁴⁶	(4,950)
Galvanic	11/24/2025	$17.94¹⁴⁷	13,621
Oculus	11/24/2025	$18.06¹⁴⁸	200

¹²⁶ A weighted average price based on prices ranging from $13.43 to $13.64.

¹²⁷ A weighted average price based on prices ranging from $13.38 to $13.68.

¹²⁸ A weighted average price based on prices ranging from $13.02 to $13.28.

¹²⁹ A weighted average price based on prices ranging from $12.90 to $13.26.

¹³⁰ A weighted average price based on prices ranging from $12.88 to $13.35.

¹³¹ A weighted average price based on prices ranging from $12.88 to $13.39.

¹³² A weighted average price based on prices ranging from $13.13 to $13.47.

¹³³ A weighted average price based on prices ranging from $13.15 to $13.47.

¹³⁴ A weighted average price based on prices ranging from $13.11 to $13.48.

¹³⁵ A weighted average price based on prices ranging from $13.04 to $13.48.

¹³⁶ A weighted average price based on prices ranging from $13.42 to $13.76.

¹³⁷ A weighted average price based on prices ranging from $13.32 to $13.79.

¹³⁸ A weighted average price based on prices ranging from $13.32 to $13.79.

¹³⁹ A weighted average price based on prices ranging from $13.30 to $13.79.

¹⁴⁰ These sales were effected pursuant to the assignment of call options, which is reflected in the options table below.

¹⁴¹ A weighted average price based on prices ranging from $17.14 to $17.25.

¹⁴² A weighted average price based on prices ranging from $17.16 to $17.87.

¹⁴³ A weighted average price based on prices ranging from $17.15 to $17.81.

¹⁴⁴ A weighted average price based on prices ranging from $17.15 to $17.84.

¹⁴⁵ A weighted average price based on prices ranging from $18.44 to $18.50.

¹⁴⁶ A weighted average price based on prices ranging from $17.31 to $17.92.

¹⁴⁷ A weighted average price based on prices ranging from $17.55 to $18.00.

¹⁴⁸ A weighted average price based on prices ranging from $18.01 to $18.10.

Valence	11/24/2025	$18.14¹⁴⁹	28,967
DESIM	11/24/2025	$18.08¹⁵⁰	(8,867)
Oculus	11/24/2025	$18.05¹⁵¹	(12,745)
Valence	11/24/2025	$18.03¹⁵²	(9,159)

¹⁴⁹ A weighted average price based on prices ranging from $17.75 to $18.26.

¹⁵⁰ A weighted average price based on prices ranging from $17.87 to $18.25.

¹⁵¹ A weighted average price based on prices ranging from $17.79 to $18.23.

¹⁵² A weighted average price based on prices ranging from $17.82 to $18.22.

The trading dates, transactions, expiries, exercises and assignments, and the price per share implied by the transactions, for all transactions by the Reporting Persons in options of the Issuer within the last 60 days, which were all brokered transactions, are set forth below.

Name	Date	Security Description	Action	Notional Number of Shares Purchased/(Sold)	Price
Valence	10/22/2025	$15.00 November 2026 Call	Short Sale	(2,400)	$0.85
Valence	10/22/2025	$15.00 November 2026 Call	Short Sale	(9,500)	$0.95
Valence	10/31/2025	$20.00 November 2026 Call	Short Sale	(65,000)	$0.21
Valence	11/4/2025	$10.00 November 2025 Put	Short Sale	(270,000)	$0.29
Valence	11/21/2025	$15.00 November 2025 Call	Assignment	(11,100)	$0.00
Valence	11/21/2025	$10.00 November 2025 Put	Expiry	270,000	$0.00

ENVIRI Corp SCHEDULE 13D