EX-99.1

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EXHIBIT 99.1

Exhibit 99.1

August 11, 2026

DPC Holdings Reports Strong Second Quarter 2026 Results

Record Revenue and Adjusted EBITDA

Initiates Full Year 2026 Guidance

Second Quarter 2026 GAAP Financial Results

·Revenue of $269 million, up 34% year over year.

·Strong year-over-year growth of 39% in Engine Products, up 49% in Europe and 29% in North America, reflecting above market growth within Aero and IGT.

·Net loss of ($131) million, versus ($49) million in second quarter of 2025, largely due to the Management Incentive Plan accrual, IPO expenses and award of a new incentive share scheme.

·Earnings per share of ($1.14) versus ($0.44) in the second quarter of 2025.

Second Quarter 2026 Adjusted Financial Results

·Adjusted EBITDA of $48 million, up 33% year over year.

·Adjusted EBITDA margin of 17.8%.

· Segment adjusted EBITDA growth of 53% in Engine Products, up 54% in Europe and 52% in North America, due to higher volumes and value-based pricing.

· Segment adjusted EBITDA margin for Engine Products grew 210bps to 23.5%.

· Adjusted net income of $6 million versus a net loss of ($11) million in second quarter of 2025.

·Adjusted earnings per share of $0.05 versus ($0.10) in the second quarter of 2025.

Key Announcements

·IPO and private placement proceeds repaid the Shareholder PIK Loan and ABL revolving credit facility during the quarter, resulting in an unleveraged balance sheet. Post quarter end, we have also repaid the majority of the term loan and all of the MIP with beneficiaries reinvesting and purchasing DPC Holdings stock.

·Fourth Strategic Customer Partnership signed with Aero OEM underpinning investment into a new superalloy facility in Alabama.

·Moody’s Ratings upgraded DPC Holdings credit rating to Ba2 with positive outlook on July, 28, 2026.

Summary Financial Results

Three months ended Six months ended

June 28, June 29,

June 28, June 29,

(in $ millions, per share amounts in $) 2026 2025 Change 2026 2025 Change

Revenue 269 201 +34% 505 389 +30%

GAAP measures

Net income/(loss) (131) (49) (165)% (179) (103) (74)%

Net income /(loss) margin (48.8)% (24.6)% (2420)bps (35.3)% (26.3)% (900)bps

Earnings per share (1.14) (0.44) (0.70) (1.57) (0.91) (0.66)

Adjusted (Non GAAP) measures(1)

Adjusted EBITDA 48 36 +33% 88 65 +35%

Adjusted EBITDA margin 17.8% 17.9%(2) (10)bps 17.4% 16.7% +70bps

Adjusted net income/(loss) 6 (11) +152% 17 (18) +195%

Adjusted earnings per share 0.05 (0.10) +0.15 0.15 (0.16) +0.31

(1)For more information see “Non-GAAP Financial Measures” later in this release.

(2)The margin in second quarter 2025 benefited from price increases that were backdated to the start of the financial year.

ST HELIER, Jersey, August 11 2026 - DPC Holdings PLC (NYSE: DPC) (‘Doncasters’, ‘the Company’) reported financial results for the second quarter 2026. Doncasters reported record second quarter 2026 revenue of $269 million, up 34% year over year, driven by growth in the Aerospace and IGT end markets of 47% and 42% respectively. Within Engine Products, above market growth, product portfolio gains and metal cost inflation pass-through to customers led to combined revenue growth of 39% with 49% and 29% in Europe and North America respectively.

Adjusted EBITDA in the quarter grew 33% compared to the prior year’s quarter, with 53% growth from Engine Products, up 54% in Europe and 52% in North America. The adjusted EBITDA margin of 17.8% was broadly in-line with the prior year’s second quarter despite the impact of metal cost inflation pass-through which diluted the margin by 60 bps, higher corporate costs and increased loss from business held for sale. The segment adjusted EBITDA margin for Engine Products grew 210bps year over year to 23.5%, reflecting operating leverage from higher volumes and execution of value-based pricing.

Adjusted net income was $6 million, an improvement from the ($11) million loss of the prior year quarter due to improved profitability with adjusted earnings per share of $0.05 versus the prior year loss of ($0.10).

We had an adjusted net cash position of $274 million at June 28, 2026 (cash and cash equivalents of $846 million less borrowings of $573 million). Transaction adjusted net cash of $118 million reflects the inclusion of all the net proceeds of our IPO, greenshoe and private placements. Working capital increased due to ongoing investment to support growth and higher metal cost inflation pass-through. Investment continued in our operations to accommodate increased customer capacity requirements and our strategic customer partnerships.

Doncasters’ Chief Executive Officer Mike Quinn said, ‘Doncasters’ continues to deliver strong growth with record levels of revenue, adjusted EBITDA and ongoing adjusted EBITDA margin progression. We are transforming Doncasters from a supplier of individual components into a trusted strategic partner for our customers, evidenced by a growing portfolio of differentiated strat