NVRI insider transactions

Director Quinn John S returned 40,140 shares to the company, closing all direct ownership in the company (SEC Form 4)

Director Purvis Edgar M Jr returned 101,925 shares to the company, closing all direct ownership in the company (SEC Form 4)

Director O'Mara Rebecca Martinez returned 47,909 shares to the company, closing all direct ownership in the company (SEC Form 4)

Director Laurion Timothy M returned 47,760 shares to the company, closing all direct ownership in the company (SEC Form 4)

Director Haznedar Carolann I returned 95,491 shares to the company, closing all direct ownership in the company (SEC Form 4)

Director Fanandakis Nicholas C returned 18,309 shares to the company, closing all direct ownership in the company (SEC Form 4)

Director Earl James F returned 130,552 shares to the company, closing all direct ownership in the company (SEC Form 4)

Chairman and CEO Grasberger F Nicholas Iii returned 1,677,852 shares to the company, closing all direct ownership in the company (SEC Form 4)

Senior Vice President & CHRO Kozak Jennifer Ott returned 101,019 shares to the company, closing all direct ownership in the company (SEC Form 4)

SVP and President-Harsco Rail Lada Gary Raymond returned 12,092 shares to the company, closing all direct ownership in the company (SEC Form 4)

President & COO Hochman Russell C. returned $1,055,525 worth of shares to the company (322,396 units at $3.27) and converted options into 49,742 shares, closing all direct ownership in the company (SEC Form 4) (withholding obligation)

VP & Corporate Controller Fenice Samuel C. converted options into 11,976 shares and returned $254,131 worth of shares to the company (86,118 units at $2.95), closing all direct ownership in the company (SEC Form 4) (for withholding tax)

VP, General Counsel & CCO Romaninsky Samuel Darden converted options into 11,310 shares and returned $239,998 worth of shares to the company (66,639 units at $3.60), closing all direct ownership in the company (SEC Form 4) (for withholding tax)

President-Harsco Environmental Reitemeier Christophe converted options into 23,684 shares and returned $502,574 worth of shares to the company (90,175 units at $5.57), closing all direct ownership in the company (SEC Form 4) (tax withholding)

SVP and CFO Vadaketh Tom George converted options into 89,829 shares and returned $1,906,171 worth of shares to the company (502,504 units at $3.79), closing all direct ownership in the company (SEC Form 4) (tax withholding)

Large owner Enviri Corp disposed of 28,103,750 shares, closing all direct ownership in the company (SEC Form 4)

SVP and CFO Vadaketh Tom George converted options into 165,805 shares and covered exercise/tax liability with 76,139 shares, increasing direct ownership by 28% to 412,675 units (SEC Form 4)

VP, General Counsel & CCO Romaninsky Samuel Darden covered exercise/tax liability with 7,439 shares and converted options into 16,195 shares, increasing direct ownership by 19% to 55,329 units (SEC Form 4)

President-Harsco Environmental Reitemeier Christophe converted options into 19,993 shares and covered exercise/tax liability with 9,398 shares, increasing direct ownership by 19% to 66,491 units (SEC Form 4)

SVP and President-Harsco Rail Lada Gary Raymond converted options into 21,342 shares and covered exercise/tax liability with 9,250 shares (SEC Form 4)

Senior Vice President & CHRO Kozak Jennifer Ott converted options into 27,554 shares and covered exercise/tax liability with 12,653 shares, increasing direct ownership by 17% to 101,019 units (SEC Form 4)

President & COO Hochman Russell C. converted options into 44,942 shares and covered exercise/tax liability with 20,827 shares, increasing direct ownership by 10% to 272,654 units (SEC Form 4)

Chairman and CEO Grasberger F Nicholas Iii converted options into 141,205 shares and covered exercise/tax liability with 64,842 shares, increasing direct ownership by 5% to 1,677,852 units (SEC Form 4)

VP & Corporate Controller Fenice Samuel C. converted options into 16,231 shares and covered exercise/tax liability with 7,505 shares, increasing direct ownership by 13% to 73,583 units (SEC Form 4)

SVP & Grp. Pres., Clean Earth Beswick Jeffrey A converted options into 37,042 shares and covered exercise/tax liability with 16,411 shares, increasing direct ownership by 16% to 149,092 units (SEC Form 4)

VP, General Counsel & CCO Romaninsky Samuel Darden converted options into 27,383 shares and covered exercise/tax liability with 12,576 shares, increasing direct ownership by 47% to 46,573 units (SEC Form 4)

SVP and CFO Vadaketh Tom George converted options into 89,829 shares and covered exercise/tax liability with 41,250 shares, increasing direct ownership by 18% to 323,009 units (SEC Form 4)

President & COO Hochman Russell C. converted options into 49,742 shares and covered exercise/tax liability with 23,051 shares, increasing direct ownership by 12% to 248,539 units (SEC Form 4)

VP & Corporate Controller Fenice Samuel C. converted options into 28,994 shares and covered exercise/tax liability with 13,405 shares, increasing direct ownership by 32% to 64,857 units (SEC Form 4)

President-Harsco Environmental Reitemeier Christophe converted options into 40,496 shares and covered exercise/tax liability with 20,042 shares, increasing direct ownership by 58% to 55,896 units (SEC Form 4)

SVP & Grp. Pres., Clean Earth Beswick Jeffrey A exercised 53,550 shares at a strike of $7.42 and covered exercise/tax liability with 42,593 shares, increasing direct ownership by 9% to 128,461 units (SEC Form 4) to satisfy withholding tax

Director Haznedar Carolann I converted options into 83,047 shares, increasing direct ownership by 667% to 95,491 units (SEC Form 4)

Director O'Mara Rebecca Martinez converted options into 18,309 shares, increasing direct ownership by 62% to 47,909 units (SEC Form 4)

Director Earl James F converted options into 15,009 shares, increasing direct ownership by 13% to 130,552 units (SEC Form 4)

Director Quinn John S converted options into 34,334 shares, increasing direct ownership by 591% to 40,140 units (SEC Form 4)

SVP & Grp. Pres., Clean Earth Beswick Jeffrey A covered exercise/tax liability with 4,333 shares and converted options into 9,779 shares, increasing direct ownership by 5% to 117,504 units (SEC Form 4)

Director Earl James F converted options into 18,309 shares, increasing direct ownership by 19% to 115,543 units (SEC Form 4)

Director Laurion Timothy M converted options into 18,309 shares, increasing direct ownership by 62% to 47,760 units (SEC Form 4)

Director Purvis Edgar M Jr converted options into 18,309 shares, increasing direct ownership by 22% to 101,925 units (SEC Form 4)

SEC Form 4 filed by Director Haznedar Carolann I

SEC Form 4 filed by Director Quinn John S

Director Fanandakis Nicholas C converted options into 18,309 shares (SEC Form 4)

SEC Form 4 filed by Director O'Mara Rebecca Martinez

New insider Enviri Corp claimed ownership of 1,000 shares (SEC Form 3)

Chairman and CEO Grasberger F Nicholas Iii gifted 113,787 shares, exercised 171,088 shares at a strike of $7.00 and covered exercise/tax liability with 78,564 shares, decreasing direct ownership by 1% to 1,601,489 units (SEC Form 4)

Amendment: President & COO Hochman Russell C. covered exercise/tax liability with 7,338 shares, decreasing direct ownership by 3% to 221,848 units (SEC Form 4)

Chairman and CEO Grasberger F Nicholas Iii converted options into 36,077 shares and covered exercise/tax liability with 16,567 shares, increasing direct ownership by 1% to 1,622,752 units (SEC Form 4)

SVP and CFO Vadaketh Tom George covered exercise/tax liability with 9,723 shares and converted options into 21,172 shares, increasing direct ownership by 4% to 274,430 units (SEC Form 4)

VP, General Counsel & CCO Romaninsky Samuel Darden converted options into 4,018 shares and covered exercise/tax liability with 1,846 shares, increasing direct ownership by 7% to 31,766 units (SEC Form 4)

President-Harsco Environmental Reitemeier Christophe covered exercise/tax liability with 1,976 shares and converted options into 4,203 shares, increasing direct ownership by 7% to 35,442 units (SEC Form 4)

Senior Vice President & CHRO Kozak Jennifer Ott converted options into 7,222 shares and covered exercise/tax liability with 3,317 shares, increasing direct ownership by 5% to 86,118 units (SEC Form 4)

President & COO Hochman Russell C. converted options into 11,780 shares and covered exercise/tax liability with 5,459 shares, increasing direct ownership by 3% to 224,686 units (SEC Form 4)

VP & Corporate Controller Fenice Samuel C. converted options into 4,254 shares and covered exercise/tax liability with 1,967 shares, increasing direct ownership by 5% to 49,268 units (SEC Form 4)

SVP & Grp. Pres., Clean Earth Beswick Jeffrey A converted options into 8,367 shares and covered exercise/tax liability with 3,707 shares, increasing direct ownership by 4% to 112,058 units (SEC Form 4)

SEC Form 4 filed by Enviri Corporation

VP & Corporate Controller Fenice Samuel C. converted options into 3,771 shares and covered exercise/tax liability with 1,744 shares, increasing direct ownership by 5% to 46,981 units (SEC Form 4)

SEC Form 4 filed by Enviri Corporation

SEC Form 4 filed by Enviri Corporation

Chairman and CEO Grasberger F Nicholas Iii converted options into 39,709 shares and covered exercise/tax liability with 18,235 shares, increasing direct ownership by 1% to 1,603,242 units (SEC Form 4)

Senior Vice President & CHRO Kozak Jennifer Ott converted options into 7,644 shares and covered exercise/tax liability with 3,511 shares, increasing direct ownership by 5% to 82,213 units (SEC Form 4)