Origin Materials Co-CEO Rich Riley resigns; CFO Matt Plavan appointed COO

Origin Materials, Inc.

Rich Riley resigns as Co-CEO and director effective Dec 31, 2024; John Bissell remains sole CEO.
Riley receives severance of $600k (18 months base salary) plus 18 months COBRA premiums.
Riley serves as advisor through Jan 2, 2026 with continued equity vesting.
CFO Matt Plavan also appointed COO effective Dec 31, 2024, continuing as CFO.

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