Transaction Details

Footnotes

Represents restricted stock units ("RSUs") granted on August 12, 2024 that fully vested on August 12, 2025. Each RSU represents a contingent right to receive one share of common stock upon vesting. | RSUs convert into common stock on a one-for-one basis. | These shares represent shares of common stock of the Issuer held by Mr. Friedberg. | Represents RSUs granted on August 13, 2025 and scheduled to fully vest on August 13, 2026. Each RSU represents a contingent right to receive one share of common stock upon vesting. The Reporting Person has reported prior awards of RSUs in Table II of Form 4. | Includes (a) 20,000 RSUs that are scheduled to fully vest on August 13, 2026 and (b) 20,585 shares of common stock beneficially owned by the Reporting Person. | The reported securities include (a) 18,153 deferred stock units ("DSUs") granted under the Issuer's 2012 Incentive Compensation Plan and (b) 21,431 DSUs granted under the Issuer's 2024 Incentive Compensation Plan. The shares of common stock underlying such DSUs shall be issued upon Mr. Friedberg's separation from service with the Issuer. | This Form 4 is filed jointly by Hampstead Park Environmental Services Investment Fund LLC ("Hampstead Park Environmental"), Daniel Friedberg and Hampstead Park Capital Management, LLC ("Hampstead Park Capital"). Hampstead Park Capital is the sole member of Hampstead Park Environmental, and Mr. Friedberg is the Chief Executive Officer of Hampstead Park Capital; each may therefore be deemed to control Hampstead Park Environmental. In addition, Mr. Friedberg is a Director of the Issuer.