EX-99.1

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EX-99.1

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Exhibit 99.1

INNIO Reports Record Third Quarter 2026 Financial Results with Revenue Up 57%, Net Income Up 176% and Adjusted EBITDA Up 70%; Raises 2026 Full-Year Guidance

Third Quarter 2026 Financial Highlights

•Record Revenue: $1.2 billion, up 57% year-over-year, marking the first $1 billion-plus revenue quarter in INNIO’s history

•Equipment Growth: Equipment revenue increased 86% year-over-year to $777.6 million, reflecting disciplined backlog execution and large-scale data center deliveries

•Services Growth: Services revenue reached $390.3 million, up 20% year-over-year, supported by the Company’s growing installed base

•Continued Order Momentum: Equipment Order Intake reached $2.2 billion, up 10% year-over-year, with broad-based momentum across Data Center and Compression

•Equipment Order Backlog: $8.0 billion, up 142% year-over-year, further increasing multi-year revenue visibility

•Net income: $109.2 million in Q3 2026, compared with $39.5 million in Q3 2025

•Strong Profitability: Adjusted EBITDA1 increased 70% year-over-year to $245.4 million, with growth outpacing revenue while INNIO continued to invest in manufacturing capacity

•Raised Fiscal Year 2026 outlook: Total Revenue guidance raised by $100 million to $3.9 - $4.0 billion and Adjusted EBITDA2 guidance raised by $60 million to $780 - $800 million

MUNICH, Germany, (October 27, 2026) — INNIO N.V. (Nasdaq: INIO), a leading global distributed energy solutions provider, today reported financial results for the third quarter ended September 30, 2026. INNIO delivered record quarterly revenue of $1.2 billion, an increase of 57% year-over-year. Net income in Q3 2026 was $109.2 million, compared to $39.5 million in the prior-year period, increasing 176% year-over-year. Adjusted EBITDA rose 70% to $245.4 million, with a margin of 21%, as increased Equipment deliveries and improved margins demonstrated progress in converting backlog into profitable growth. Based on its year-to-date performance, INNIO raised its fiscal 2026 outlook for Total Revenue to $3.9 to $4.0 billion, up from $3.8 to $3.9 billion and for Adjusted EBITDA to $780 - $800 million, up from $720 to $740 million.

“INNIO delivered a record quarter, exceeding $1 billion in revenue for the first time and achieving a 21% Adjusted EBITDA margin. With more than $6 billion in Equipment Order Intake year-to-date, we are scaling capacity to meet accelerating demand, particularly for AI infrastructure. Every engine we deliver supports profitable growth today and creates high-margin Services opportunities for decades to come,” said Dr. Olaf Berlien, President and CEO of INNIO.

“Equipment margins improved again this quarter as deliveries increased, while Services continued to deliver strong profitability. At the same time, we continue to invest in manufacturing capacity to support future growth. Based on our performance and outlook, we are raising our full-year revenue and Adjusted EBITDA guidance,” said Dr. Dennis Schulze, CFO of INNIO.

1 For definitions, please refer to “Non-GAAP Financial Measures and Key Performance Indicators” below. Please also refer to the tables under “Reconciliations of GAAP to Non-GAAP Financial Measures” below.

2 A reconciliation of Adjusted EBITDA guidance to net income is not available on a forward-looking basis without unreasonable effort.

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OutlookFiscal Year 2026 OutlookFiscal Year 2025

Total Revenue$3.9 - $4.0 billion$2.6 billion

Adjusted EBITDA$780 - $800 million$549 million

Company Updates

•620 MW follow-on order - adding to the 1.1 GW booked in Q2 2026 - and a long-term lifecycle service agreement for the first 500 MW of previously ordered capacity, including major overhauls extending into a second engine lifetime

•450 MW order for next generation data center projects in North America from Liberty Energy - with behind-the-meter power solutions to be delivered by 2028

•Long-term extension of strategic partnership with Aggreko through 2031 - includes a minimum of 450 MW of Jenbacher engine capacity to be ordered and delivered by the end of 2027 and access to agreed capacity levels for the remainder of the agreement and a multi-year service agreement for the existing fleet

•Closing of Enerflex APAC Aftermarket service business on September 30, 2026 - aimed at strengthening INNIO’s presence in the Asia-Pacific (APAC) region and expanding its ability to serve customers through enhanced local service capabilities and greater customer proximity

Group Results

Three Months Ended September 30,Nine Months Ended September 30,

($ in millions, other than percentages, per share and GW amounts)2026202520262025

GAAP Metrics

Net sales1,167.9 742.7 2,774.2 1,896.2

Net income (loss)109.2 39.5 83.3 136.9

Net Income (loss) margin9.4 %5.3 %3.0 %7.2 %

Diluted EPS0.15 0.05 0.12 0.18

NON-GAAP Metrics

Adjusted EBITDA245.4 144.2 540.2 402.2

Adjusted EBITDA Margin21.0 %19.4 %19.5 %21.2 %

Adjusted Net Income3111.1 46.3

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Exhibit 99.1

PRESS RELEASE

INNIO Group Reports Second Quarter 2026 Financial Results

INNIO Delivers Strong Performance with Record Equipment Order Intake as Demand for Reliable Power Accelerates

Second Quarter 2026 Financial Highlights

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Equipment Order Intake: $2.3 billion in Q2 2026, up 316% year-over-year, with strong momentum across our data center, power solutions and compression business lines

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Equipment Order Backlog: $6.6 billion, up 279% year-over-year to a record level, providing strong revenue visibility that INNIO believes will extend at least into 2030

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Total Revenue: $937.7 million in Q2 2026, up 42% year-over-year

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Equipment Revenue: $569.3 million, up 61% year-over-year in Q2 2026, driven by all three business lines, with particularly strong momentum from the data center business line

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Services Revenue: $368.4 million in Q2 2026, up 21% year-over-year, underpinned by long-term service agreements

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Net Loss: $(16.9) million in Q2 2026, mainly due to $81.2 million of one-off costs incurred for the initial public offering and public market readiness. Net Income in Q2 2025 was $62.4 million

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Adjusted EBITDA1: $172.3 million in Q2 2026, up 20% year-over-year, reflecting continued profitable growth and balanced investment in manufacturing capacity ramp-up

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Fiscal Year 2026 outlook: Total Revenue growth to $3.8 - $3.9 billion and Adjusted EBITDA2 increase to $720 - $740 million

MUNICH, Germany, (July 28, 2026) — INNIO N.V. (Nasdaq: INIO), a leading global distributed energy solutions provider, today reported financial results for the second quarter ended June 30, 2026. This represents the Company’s first earnings announcement following its initial public offering which closed on June 5, 2026. INNIO delivered a quarter with profitable growth, driven by continued high demand. Equipment Order Intake reached a record level and has already exceeded the company’s full-year 2025 level, fueled by the buildout of AI infrastructure and the growing need for reliable, decentralized power across industries and geographies.

“Our results demonstrate the accelerating demand for reliable, flexible and efficient energy solutions. Our Equipment Order Backlog has reached a record of $6.6 billion, driven by all business lines. A highlight for the quarter was a landmark 1.1-gigawatt order for prime power for a data center operator, reflecting customers’ confidence in our technology, execution capabilities and ability to scale. As demand for decentralized power continues to grow, we are investing in a balanced expansion of capacity, positioning us to deliver sustainable growth and long-term value creation,” said Dr. Olaf Berlien, President and CEO of INNIO.

“Demand is accelerating across all of our business lines. We are delivering strong top-line growth in Equipment and Services as we execute on our Equipment Order Backlog. The success of our multi-year capacity expansion plan across the U.S. and Europe is already visible today as we continuously increase our output. Based on our strong first-half performance and confidence in the trajectory of the business we are initiating our outlook for the full year of 2026,” said Dr. Dennis Schulze, CFO of

INNIO.

Outlook Fiscal Year 2026

Fiscal Year 2026 Outlook

Fiscal Year 2025

Total Revenue

$3.8 - $3.9 billion

$2.6 billion

Adjusted EBITDA2

$720 - $740 million

$549 million

1 For definitions, please refer to “Non-GAAP Financial Measures and Key Performance Indicators“ below. Please also refer to the tables under “Reconciliations of GAAP to Non-GAAP Financial Measures“ below.

2 A reconciliation of Adjusted EBITDA guidance to net income is not available on a forward-looking basis without unreasonable effort.

Company Updates

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1.1 Gigawatt (GW) Gas Engine Order from a new customer for Major Data Center Campus, one of the largest in INNIO’s history, underscores growing demand for reliable and flexible on-site prime power solutions.

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Multi-year strategic framework agreement with Rehlko, securing supply of approximately 1.25 GW of gas

engine capacity over three years – expanding Rehlko’s existing 700-megawatt (MW) firm reservation.

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Diversified customer base further strengthened by multiple orders across the data center, power solutions, and compression business lines.

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INNIO and the Net Zero Innovation Hub for Data Centers completed an industry-first demonstration of

100% hydrogen backup power at the 3 MW scale. Technical experts from Microsoft, Google, and Data4 witnessed live testing to assess performance against operational data center requirements.

Group Results

($ in millions, other than percentages and per share amounts)

Three Months Ended June 30,

Six Months Ended June 30,

2026

2025

2026

2025

GAAP Metrics

Net Sales

937.7

659.5

1,606.5

1,153.5

Net Income (loss)

(16.9)

62.4

(25.9)

97.4

Net Income (loss) margin

(1.8)%

9.5%

(1.6)%

8.4%

Earnings Per Share (EPS)