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D DONCASTERS DPC HOLDINGS PLC Second Quarter 2026 Earnings Call Mike Quinn : Chief Executive Officer David Egan : Chief Financial Officer Lucy Sharma : Head of Investor Relations August 11 , 2026 Turning Metals Into Motion
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Legal Disclaimer Forward-Looking Statements This presentation contains forward-looking statements. All statements other than statements of historical facts contained in this presentation may be forward-looking statements. You can generally identify forward-looking statements by our use of forward-looking terminology such as “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “might,” “plan,” “potential,” “predict,” “projection,” “seek,” “should,” “will” or “would,” or the negative thereof or other variations thereon or comparable terminology. All statements other than statements of historical fact could be deemed forward-looking, including: statements regarding the Company’s projected future growth or financial performance and drivers thereof; expectations regarding the Company’s commercial and/or strategic initiatives, including demand for our products and drivers thereof, and third-party relationships and expectations with respect to strategic customer partnerships and the impact thereof; our ability to achieve our financial goals; our full year 2026 financial guidance and the assumptions that form the basis for that guidance; statements regarding market opportunities and market growth; statements about historical results that may suggest trends for the Company’s business; statements of the plans, strategies, and objectives of management for future operations, growth, expansion, or operational improvements; any statements or expectations of retaining existing and attracting new customers; statements about our expectations with respect to shareholder value creation; our expectations with respect to metal pricing and the impact of that pricing on our business; expectations with respect to capital expenditures; our expectations with respect to statutory effective tax rates; statements of expectation or belief regarding future events, potential markets or market size, technology or product developments; and statements of assumptions underlying any of the items mentioned. The Company has based these forward-looking statements largely on its current expectations, assumptions, estimates and projections. While the Company believes that these expectations, assumptions, estimates and projections are reasonable, such forward-looking statements are only predictions and involve known and unknown risks and uncertainties, many of which are beyond our control. All written and oral forward-looking statements attributable to us, or persons acting on our behalf, are expressly qualified in their entirety by the cautionary statements. Given these risks and uncertainties, you are cautioned not to place undue reliance on such forward-looking statements. The forward-looking statements contained in this presentation are not guarantees of future performance. Our actual results of operations, financial condition and liquidity, and the development of the industry in which we operate may differ materially from the forward-looking statements contained in this presentation. In addition, even if our results of operations, financial condition and liquidity, and events in the industry in which we operate, are consistent with the forward-looking statements contained in this presentation, they may not be predictive of results or developments in future periods. A further description of these risks, uncertainties, and other matters can be found in the Risk Factors detailed in Company’s Prospectus filed pursuant to Rule 424(b) under the Securities Act, as amended, which was filed with the U.S. Securities and Exchange Commission (the “SEC”) on June 26,2026, as well as other filings we make with the Securities and Exchange Commission. The forward-looking statements in this presentation are made only as of the date hereof. Except to the extent required by law, the Company assumes no obligation and does not intend to update any of these forward-looking statements after the date of this presentation or to conform these statements to actual results or revised expectations. Market and Industry Data This presentation includes market and industry data and forecasts that the Company has derived from independent consultant reports, publicly available information, various industry publications, other published industry sources, and its internal data and estimates. Independent consultant reports, industry publications and other published industry sources generally indicate that the information contained therein was obtained from sources believed to be reliable. Although the Company believes that these third-party sources are reliable, it does not guarantee the accuracy or completeness of this information, and the Company has not independently verified this information. The Company's internal data and estimates are based upon information obtained from trade and business organizations and other contacts in the markets in which the Company operates and management's understanding of industry conditions. Although the Company believes that such information is reliable, it has not had this information verified by any independent sources. In addition, the information contained in this presentation is as of the date hereof (except where otherwise indicated), and the Company has no obligation to update such information, including in the event that such information becomes inaccurate or if estimates change. Subsequent materials may be provided by or on behalf of the Company in its discretion and such information may supplement, modify or supersede the information in these materials. Neither the Company, nor any of its respective affiliates, advisors or representatives shall have any liability whatsoever (in negligence or otherwise) for any loss or damage howsoever arising from any use of these materials or their contents or otherwise arising in connection with these materials. Non-GAAP Financial Measures This presentation includes financial information prepared in accordance with accounting principles generally accepted in the United States ("GAAP"). This presentation also includes non-GAAP financial information, including EBITDA, adjusted EBITDA, adjusted EBITDA margin, adjusted net cash / debt, adjusted net income, adjusted earnings per share, and free cash flow which should be considered supplemental to, not a substitute for, or superior to, the financial measure calculated in accordance with GAAP. The Company believes that these non-GAAP financial measures provide users of our financial information with useful supplemental information that enables a better comparison of our performance across periods. There are a number of limitations related to the use of these non-GAAP financial measures and their nearest GAAP equivalents. For example, the Company’s definitions of non-GAAP financial measures may differ from non-GAAP financial measures used by other companies. For reconciliations to the most directly comparable GAAP measure, see the appendix to this presentation, other than with respect to the non-GAAP information with respect to Full Year 2026 Guidance, for which no reconciliation is provided because such information is not available, and management cannot reliably predict all of the necessary components of such GAAP measure without unreasonable effort or expense. Trademarks This presentation may contain trademarks, service marks, trade names and copyrights of other companies, which are the property of their respective owners. Solely for convenience, some of the trademarks, service marks, trade names and copyrights referred to in this presentation may be listed without the TM, SM © or ® symbols, but the Company will assert, to the fullest extent under applicable law, the rights of the applicable owners, if any, to these trademarks, service marks, trade names and copyrights. 2
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3 An Exciting Time as DPC Holdings PLC is Listed…
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Record Revenue Record Adjusted EBITDA Net Cash Position Fourth Strategic Customer Partnership Signed Full Year 2026 Financial Guidance Delivering our Significant Value Creation Plan Adjusted EBITDA1 grew 33% YoY to $48 million Adjusted EBITDA margin1 of 17.8%, including 60 bps dilution from metal cost inflation pass-through Segment adjusted EBITDA for Engine Products grew 53%, with margin up 210bps to 23.5% Fourth Strategic Customer Partnership signed with Aerospace OEM Supports new greenfield superalloy facility in Alabama Initiation of FY 2026 financial guidance Transaction adjusted net cash1 of $118m benefiting from IPO proceeds and private placement Working capital increased due to growth investment and higher metal cost inflation pass-through Continued investment in capacity expansion Revenue growth YoY of 34% to $269 million Engine Products revenue grew 39% YoY 4 Q2 2026: Record Revenue and Adjusted EBITDA, Strategic Developments and FY 2026 Guidance 1) Non-GAAP measure see Appendix for a reconciliation to the most directly comparable GAAP measure.
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Doncasters: A Specialist Manufacturer of Precision Castings and Superalloys 5 Who We Are Our Key Products Nickel- and Cobalt-Based Superalloys Structural Castings Turbine Airfoils Trusted Supplier to Key Customers IGT Aero Well Positioned for Future Growth Supported by Strong OEM Relationships Highly Complex Precision-Cast Components • Specialist manufacturer of highly engineered components for use in mission-critical applications in extreme operating environments • Deep technical capabilities and proprietary metallurgy expertise • Vertically integrated with own superalloys in supply-constrained Aero and IGT markets • Differentiated Strategic Customer Partnerships with major Aero and IGT OEMs • One of a limited number of scaled suppliers in a capacity-constrained market with high barriers to entry • Strong balance sheet supports investment in organic and inorganic growth and operational improvements 2025 Adjusted EBITDA1 Aerospace & IGT ~92% Turbo Wheels ~8% Aero and IGT Focused 2025 Castings Revenue Split OEM ~60% Aftermarket ~40% Balanced OEM and Aftermarket 2025 Castings Revenue Split LTAs ~70% Purchase Orders ~30% High Revenue Visibility 1) Non-GAAP measure see Appendix for a reconciliation to the most directly comparable GAAP measure.
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Evidenced by our Customers’ Support: Fourth Strategic Partnership Signed 6 Building Stronger Relationships with OEMs Through Strategic Customer Partnerships >$200MM Annual Run-Rate in Secured Partnerships Underwrites greenfield superalloy expansion Long-dated multi-agreement LTAs Existing castings and superalloys Volume commitments Partnership #1 Major Aerospace OEM Signed 15-year agreement to supply blades and vanes Partnership #2 Major IGT OEM Signed expansion agreement with existing OEM which will double site’s capacity Partnership #3 Major IGT OEM Signed expansion agreement with existing OEM which will result in further facility expansion Partnership #4 Major Aerospace OEM Agreement with existing customer for increasing casting and superalloy volumes and margins and underwriting greenfield superalloy expansion Ramp timing: 2029+
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7 The Doncasters’ Long-Term Value-Creation Model Material Value Creation Through Organic Growth, Operational Improvements, Long-Term Cash Generation and Investment Volume LTA Order Backlog Capacity Investment Value-Based Pricing Strategic Customer Partnerships Aftermarket Growth Cash Generation Capacity Utilization Profitable Growth Working Capital Efficiency Margin Expansion Operating Leverage Strategic Customer Partnerships Value-Based Pricing Operational Efficiencies Investment Bolt-on Acquisition Opportunities Increased Capacity Investment in Assets Strategic Customer Partnerships Strategic Customer Partnerships
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Q2 2026 Highlights ($ in millions) Q2 2025 Q2 2026 Q2 YoY Revenue 200.9 268.7 +34% Adjusted EBITDA1 % margin 36.0 17.9% 47.8 17.8% +33% (10bps) Adjusted net income/(loss)1 (10.8) 5.6 +152% Adjusted earnings per share ($)1 (0.10) 0.05 0.15 Record Q2 2026 results Revenue growth of 34% including ~4% point benefit from metal cost inflation pass-through Continuing end market growth in Aerospace and IGT demand Adjusted EBITDA up 33%, 17.8% margin including 60bp dilution from metal cost inflation pass-through Engine Products grew revenue 39% and EBITDA 53%, a 210 basis points improvement in margin to 23.5% due to higher volumes and value-based pricing Working capital increased to support growth and higher metal cost price inflation pass-through Ongoing investment in operations to support customer demand Transaction adjusted net cash1 / adjusted EBITDA of 0.7x 8 1) Non-GAAP measure see Appendix for a reconciliation to the most directly comparable GAAP measure.
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Aerospace 42% IGT 39% Transportation 19% Q2 2026 revenue by end market % of total 9 End market Q2 2026 revenue up 34% YoY Revenue by end market % change Q2 YoY Aerospace +47% IGT +42% Transportation +0% Total revenue +34% $269m total revenue
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Aerospace 25% IGT 75% 10 Engine Products - Europe Gross segment revenue $m Segment adjusted EBITDA $m and % margin • Q2 2026 revenue up 49% YoY with strong growth in the IGT end market including OEM build rates • Segment adjusted EBITDA up 54% YoY due to operating leverage and value-based pricing • Segment adjusted EBITDA margin up 80 basis points YoY to 24.2% • Continuing to invest in expanding our capacity to accommodate increased customer demand and delivery of two IGT strategic customer partnerships +54% +49% $83m $123m Q2 2025 Q2 2026 $123m total revenue Revenue by end market Q2 2026, % of total +80bps $19m $30m 23.4% 24.2% Q2 2025 Q2 2026
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IGT 10% Transportation 2% Aerospace 88% 11 Engine Products - North America Revenue by end market Q2 2026, % of total • Q2 2026 revenue grew 29% YoY , third-party growth(1) was 37% YoY , with strong growth in the Aerospace end market • Segment adjusted EBITDA up 52% YoY due to operating leverage and value-based pricing • Segment adjusted EBITDA margin up 340 basis points YoY to 22.6% • Continuing to invest in capacity to accommodate increased customer demand and two Aero strategic customer partnerships including the building of superalloy facility Gross segment revenue 1 $m Segment adjusted EBITDA $m and % margin +29% +52% $15m $22m 19.2% 22.6% Q2 2025 Q2 2026 $76m $97m Q2 2025 Q2 2026 $97m total revenue +340bps 1) Gross segment revenue includes internal superalloy sales to Turbo Wheels that ended in 2025,
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12 Turbo Wheels • Q2 2026 revenue grew $1 million, or 2% YoY . Excluding Ivostud (business held for sale), revenue grew 8% due to share gains in a flat market and favorable mix • Segment adjusted EBITDA down $2.0 million YoY , excluding Ivostud down $0.6 million • Excluding Ivostud segment adjusted EBITDA margin 8.0%, down 310 basis points YoY Gross segment revenue $m Segment adjusted EBITDA $m and % margin +2% Transportation 100% $48m total revenue$37m $40m $10m $8m $47m $48m Q2 2025 Q2 2026 Turbo Wheels excl. Ivostud Revenue by end market Q2 2026, % of total Total (56%) (430bps) Turbo Wheels excl. Ivostud Ivostud Ivostud Turbo Wheels excl. Ivostud (310bps) $4m $2m 7.6% 3.3% 11.1% 8.0% Q2 2025 Q2 2026
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13 Structural Growth Drivers, FY 2026 Guidance and Key Assumptions FY 2025 FY 2026 Guidance Guidance Reported Low High Revenue $837m $1,000m $1,040m YoY revenue growth 19% 24% Adjusted EBITDA1 $138m $182m $187m Adjusted EBITDA margin1 (excl. metal cost inflation pass-through) 16.5% ~19% Key assumptions Unallocated corporate expenses ~$23m Depreciation and amortization ~$30m Net interest expense ~$90m Capital expenditures ~$55m – $60m Share-based compensation (new scheme, non-cash) ~$40m Weighted average shares 132m Market Structural Growth Drivers On a normalised, steady-state basis – assuming full utilisation of group tax attributes and no permanent disallowances – the Group’s current blended effective tax rate is approximately 26%. 1) The Company has not reconciled its full-year 2026 guidance related to Adjusted EBITDA or Adjusted EBITDA margin to the most directly comparable forward looking GAAP financial measures because such information is not available, and management cannot reliably predict all of the necessary components of such GAAP measure without unreasonable effort or expense.
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Appendix
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15 Reconciliation of net income/(loss) to adjusted EBITDA (Unaudited)
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16 Reconciliation of segment adjusted EBITDA (Unaudited) 1) Interest expense includes Shareholder PIK interest of $13.6 million and $34.6 million for the three months ended June 28, 2026 and June 29, 2025, respectively, and $53.6 million and $70.6 million for the six months ended June 28, 2026 and June 29, 2025, respectively.
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17 Revenue by end market (Unaudited)
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18 Segment information (Unaudited) 1) Cost of sales and selling, general and administrative expenses have been adjusted to exclude depreciation and amortization, r estructure and other reorganization costs, claims, settlements and litigation costs, and the long- term management incentive plan. The adjusted cost of sales includes adjustments for inter -segment sales. 2) Other segment items including research and development costs, and corporate expenses recharges. 3) Segment adjusted EBITDA margin is the quotient of Segment adjusted EBITDA divided by Gross segment revenue. Segment adjusted EBITDA margin is calculated based on the exact segment adjusted EBITDA and gross segment revenue and therefore may not calculate the same based off the rounded figures presented above.
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19 Reconciliation of adjusted net cash/(debt) (Unaudited) 1) The timing of the IPO meant that fund flows relating to the MIP liability and outstanding Private Placement happened after June 28, 2026, but were contractual obligations at quarter end and are shown in the transaction adjusted net cash position as referen ce point to the go forward position. See footnote 13 ‘Subsequent Events’ in our 10- Q. ($ in millions) As of June 28, 2026 As of December 31, 2025 Borrowings, current (483.3) (154.3) Borrowings, non-current (89.4) (1280.4) Less: Shareholder PIK Loan - 878.0 846.4 32.1 Adjusted net cash / (debt) 273.7 (524.6) Post close Plus: MIP liability and associated tax (210.9) - Less: Outstanding Private Placement net proceeds 55.4 - Transaction adjusted net cash / (debt) (1) 118.2 (524.6) Last 12 months adjusted EBITDA 160.3 138.3 0.7 (3.8)Transaction adjusted net cash / (debt) to adjusted EBITDA Less: Cash and cash equivalents and restricted cash deposit
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20 Reconciliation of adjusted net income (Unaudited)
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21 Reconciliation of free cash flow (Unaudited) (in $ millions) June 28, 2026 June 29, 2025 June 28, 2026 June 29, 2025 Net cash (used in)/from operating activities (27.0) 0.1 (34.0) 21.5 Purchase of property, plant and equipment (9.5) (6.7) (19.8) (10.5) Free cash flow (36.5) (6.6) (53.8) 11.0 Three months ended Six months ended
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22 Condensed consolidated statement of income/(loss) (Unaudited)
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23 Condensed consolidated statement of comprehensive income/(loss) (Unaudited)
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24 Condensed consolidated balance sheet (Unaudited)
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25 Condensed consolidated cash flow statements (Unaudited) June 28, 2026 June 29, 2025 - - (19.8) (10.5) Purchase of intangible assets (0.4) (0.5) (20.2) (11.0) Cash flows from financing activities: 682.3 447.1 Repayment of borrowings (819.4) (429.0) 1,009.1 - 872.0 18.1 817.8 31.5 (3.5) 14.5 32.1 32.4 846.4 78.4 844.8 67.9 1.6 7.6 846.4 75.5 (6.3) (4.0) (35.7) (20.5) 774.0 - Cash flows from investing activities: Proceeds from borrowings Net proceeds from initial public offering (Decrease)/Increase in cash and cash equivalents and restricted cash deposit Cash and cash equivalents and restricted cash deposit at beginning of period Effect of exchange rate fluctuations on cash and cash equivalents held Reconciliation to consolidated balance sheet Net cash (used) / provided by financing activities Cash and cash equivalents and restricted cash deposit at end of period Proceeds from disposal of property, plant and equipment Supplemental disclosures of cash flow information: Income taxes paid Interest paid PIK retirement Cash and cash equivalents Restricted cash deposit Purchase of property, plant and equipment Net cash used in investing activities Total Six months ended June 28, 2026 June 29, 2025 Net loss (178.5) (102.5) 9.6 9.0 5.2 4.6 (15.8) 13.3 Operating lease expense 0.9 1.7 (6.6) (20.9) Impairment /(reversal) of asset held for sale 5.8 3.5 Management incentive plan 137.4 45.0 50.1 86.6 Share-based compensation 19.9 - (43.8) (27.0) (69.4) (9.4) Income tax receivable and payable 0.4 8.0 45.2 14.7 Deferred consideration 7.0 - (1.4) (2.2) Net cash from / (used in) operating activities (34.0) 24.4 Six months ended Cash flows from operating activities: Adjustments to reconcile net loss to net cash from/(used in) operating activities: Non-cash interest expense Depreciation of property, plant and equipment Change in operating assets and liabilities: Inventories Payables, accrued expenses and other liabilities Operating lease assets and liabilities Receivable, prepayments and other current assets Amortization of intangible assets and cloud computing arrangements Deferred income tax (expense)/benefits Inventory provision Foreign currency (gain), net
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26 Condensed consolidated statement of changes in shareholders’ equity/(deficit) (Unaudited)