NPK CFO Gregg Piontek to retire by Aug 31 2027; Matthew Warren named CAO

NPK International Inc.

CFO Gregg Piontek to retire on/before Aug 31, 2027, or upon successor appointment; will support transition.
Matthew Warren appointed CAO effective Aug 31, 2026, succeeding Piontek as principal accounting officer.
Warren's base salary raised to $283,000; target annual cash incentive 40% of base; Tier 3 severance/CIC participant.
Warren previously VP Accounting & Financial Reporting since Apr 2026; Corporate Controller before; CPA, ex-Deloitte.
Company states CFO transition won't affect previously announced financial outlook or strategic priorities.

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