X0609 4 2026-06-15 0 0002104052 Enviri Corp NVRI 0002068267 Lada Gary Raymond false TWO LOGAN SQUARE 100-120 N. 18TH STREET, 17TH FLOOR PHILADELPHIA PA 19103 0 1 0 0 SVP and President-Harsco Rail 0 Common Stock 2026-06-15 4 A 0 17500 0 A 21530 D Performance Restricted Stock Unit 2026-06-15 4 A 0 9616 0 A Common Stock 9616 9616 D Stock Appreciation Rights 6.21 2026-06-15 4 A 0 11283 0 A Common Stock 11283 11283 D Restricted stock units granted under the Issuer's 2026 Omnibus Incentive Plan represent a contingent right to receive the Issuer's common stock on a one-for-one basis when the restricted stock units vest. Each reported restricted stock unit vests in three equal increments on each subsequent anniversary of the grant date. Includes 4,030 shares acquired in a pro rata distribution by CLEH, Inc. on June 1, 2026 of all of the outstanding shares of the Issuer's common stock to the stockholders of CLEH, Inc. Represents the target number of Performance Restricted Stock Units granted under the Issuer's 2026 Omnibus Incentive Plan, each of which represents the contingent right to receive a variable amount of shares of the Issuer's common stock based on the level of achievement of share-price performance targets over the period of June 1, 2026, through June 30, 2029 (the "Performance Period"). The Performance Restricted Stock Units vest between 0% and 250% of target, measured as of the earlier of the final financial quarter of the Performance Period or during a measurement period ending no fewer than three days prior to a Change in Control of the Issuer. Represents Stock Appreciation Rights ("SARs") granted under the Issuer's 2026 Omnibus Incentive Plan to replace similar stock appreciation rights held by the reporting period prior to, and canceled in connection with, a reorganization occurring immediately before the spin-off of the Issuer from its predecessor. The SARs are fully vested as of the date hereof. /s/ Gary R. Lada 2026-06-17