$NPKI

NPK International Inc. (NPKI) filed an SEC Form 8-K — Regulation FD Disclosure. October 2026 Investor Presentation INVESTOR RELATIONS Safe Harbor DISCLAIMERS CONFIDENTIAL 2 Forward Looking Statements This presentation contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. All statements o

NPK International Inc. reported Q3 2026 revenue and adjusted EBITDA growth despite Texas weather delays, but margins declined. FY26 guidance was lowered, though Q4 recovery and infrastructure demand support long-term growth plans.

Newpark Resources (NPKI) reported Q3 Non-GAAP EPS of $0.09, missing estimates by $0.03. Revenue was $76.3M, up 10.9% year-over-year, but missed expectations by $0.36M. Adjusted EBITDA was $20.0M, or 26.2% of total revenue.

NPK International reported Q3 2026 revenue of $76.3M, up 11% YoY, with operating income of $9.2M and net income of $6.1M. Adjusted EPS was $0.09, up from $0.07 last year. Adjusted EBITDA rose 30% to $20.0M. Dry weather in Texas impacted demand, but rental activity and quoting grew. The company plans to expand manufacturing capacity in Louisiana by 50% by mid-2027.

NPK International Inc. (NPKI) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 NPK REPORTS THIRD QUARTER 2026 RESULTS THE WOODLANDS, TEXAS – October 29, 2026 – NPK International Inc. (NYSE: NPKI) (“NPK” or the “Company”) today announced results for the three and nine months ended September 30, 2026. THIRD QUARTER 2026 RESULTS (all comparisons v

NPK International Inc. (NPKI) filed an SEC Form 8-K — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers. NPK ANNOUNCES NEW EXECUTIVE VICE PRESIDENT, COMMERCIAL GROWTH & OPERATIONS THE WOODLANDS, TEXAS – September 14, 2026 – NPK International Inc. (NYSE: NPKI) (“NPK” or the “Company”) today announced the appointment of James “JJ” Barton as Executive Vice President, Commercial Growth

NPK International Inc. (NPKI) filed an SEC Form 8-K — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers. NPK ANNOUNCES CHIEF FINANCIAL OFFICER RETIREMENT, INITIATES FINANCE LEADERSHIP SUCCESSION PLAN THE WOODLANDS, TEXAS – September 2, 2026 – NPK International Inc. (NYSE: NPKI) (“NPK” or the “Company”) today announced that after nearly 20 years of service to the Company, Gregg Piont

NPK International (NYSE:NPKI) reported Q2 gross margin of 37%, up 80 bps sequentially and in line with the prior year, citing stronger product sales and stable rental margins. It narrowed 2026 revenue guidance to $313M-$323M and raised adjusted EBITDA to $97M-$103M. Management expects Q3 rental and service revenue roughly flat sequentially and product sales to normalize after a strong Q2.

Release Date: July 30, 2026 For the complete transcript of the earnings call, please refer to the full earnings call transcript. Positive Points Revenue increased 20% year-over-year to $82 million, driven by strong growth in both product sales and rentals. Adjusted EBITDA improved 37% year-over-year to $26 million, with a margin of 31.5%. Rental and service revenues hit a quarterly record of $54 million, up 16% year-over-year.

NPK International Inc. (NPKI) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 NPK REPORTS SECOND QUARTER 2026 RESULTS Company reports $82 million revenues, $0.14 diluted EPS; Raises full-year earnings guidance THE WOODLANDS, TEXAS – July 29, 2026 – NPK International Inc. (NYSE: NPKI) (“NPK” or the “Company”) today announced results for the thr