AI Earnings Predictions for Smurfit WestRock plc Ordinary Shares (SW)

EX-99.1

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EXHIBIT 99.1

Exhibit 99.1

www.smurfitwestrock.com

Smurfit Westrock Reports Second Quarter 2026 Results

July 29, 2026 – Smurfit Westrock plc (NYSE: SW) today announced the financial results for the second quarter ended June 30, 2026.

Key Points:

•Net Sales of $8,031 million

•Net Income of $88 million, with a Net Income Margin of 1.1%

•Adjusted EBITDA1 of $1,140 million, with an Adjusted EBITDA Margin1 of 14.2%

•Net Cash Provided by Operating Activities of $765 million

•Quarterly dividend of $0.4523 per ordinary share

Smurfit Westrock plc’s performance for the three months ended June 30, 2026 and 2025 (in millions, except margins and per share data):

Three months ended June 30,

2026 2025

Net Sales $8,031 $7,940

Net Income (Loss) $88 $(26)

Net Income (Loss) Margin 1.1% (0.3)%

Adjusted EBITDA1 $1,140 $1,213

Adjusted EBITDA Margin1 14.2% 15.3%

Net Cash Provided by Operating Activities $765 $829

Basic EPS $0.17 $(0.05)

Adjusted Basic EPS1 $0.35 $0.44

Tony Smurfit, President and CEO, commented:

“I am pleased to report a strong second quarter performance with Adjusted EBITDA¹ of $1,140 million and an Adjusted EBITDA Margin¹ of 14.2%. The quarter was impacted by significantly higher input costs, particularly freight, which we managed to mitigate through our actions. Positively, demand for paper remained strong throughout the quarter with a generally excellent supply/demand backdrop. As always, we fully expect to recover input cost inflation through the second half of the year and beyond.

“In the two years since the formation of Smurfit Westrock, we have driven a significant cultural and operational shift in our business. I have always believed that our strongest differentiators are the commitment and dedication of our people and the strength of our culture. As we target an accelerated path to growth through our Medium-Term Plan, I am excited that we have an excellent team which will realize Smurfit Westrock’s true potential.

“Our North American region continues to make significant operational and commercial progress. Our team is progressively implementing our owner operator model and improving operating efficiency. Pricing initiatives have been implemented to recover increased input costs across practically all paper grades, and we are beginning to see the benefits from our commercial approach in our converting businesses. As we begin the third quarter, our mill system is generally running full with strong order books and an improving outlook for our converting operations.

“Our EMEA and APAC region continues to outperform. This region is exceptionally well positioned and our actions on improving productivity and providing superior service and innovation for customers is gaining significant new business for us. While certain input costs are continuing to rise, these are being recovered with the customary lag.

“Our Latin American region delivered another excellent performance as a result of our strong market positions and continuing benefits from our investment programs. We see significant growth opportunities, and we are well positioned to develop this region through both internal investment and acquisition.

“In April we hosted over 200 global customers at our flagship innovation packaging event. I am very proud that we continue to be recognized by customers across all regions with numerous awards received for our approach towards innovation, sustainability and service. We continuously transfer best practice, operating excellence and innovation across markets, regions and continents for the benefit of our customers.

1 Adjusted EBITDA, Adjusted EBITDA Margin and Adjusted Basic EPS are non-GAAP measures. See the “Non-GAAP Financial Measures and Reconciliations” below for discussion and reconciliation of these measures to the most comparable GAAP measures.

1

“We also continued to optimize our system with a mill closure in the UK and are in the process of closing a further 8 facilities in our converting business in both Europe and the North American region.

"Looking ahead, we are very encouraged by the current market back drop and the significant improvements we have made within our business. With input costs remaining elevated, especially freight, we currently expect third quarter Adjusted EBITDA2 to be approximately $1.3 billion and for the full year Adjusted EBITDA2 we expect to be in the range of $4.9 billion to $5.1 billion with good momentum through the latter half of 2026 and beyond.

Dividend

Smurfit Westrock plc announced today that its Board approved a quarterly dividend of $0.4523 per share on its ordinary shares. The quarterly dividend of $0.4523 per ordinary share is payable on September 10, 2026 to shareholders of record at the close of business on August 14, 2026.

Earnings Call

Management will host an earnings conference call today at 7:30 AM ET / 12:30 PM BST to discuss Smurfit Westrock’s financial results. The conference call will be acc

EX-99.1

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EXHIBIT 99.1

Exhibit 99.1

www.smurfitwestrock.com

Smurfit Westrock Reports First Quarter 2026 Results

Dublin – April 30, 2026 – Smurfit Westrock plc (NYSE: SW, LSE: SWR) today announced the financial results for the first quarter ended March 31, 2026.

Key Points:

·Net Sales of $7,712 million

·Net Income of $63 million, with a Net Income Margin of 0.8%

·Adjusted EBITDA1 of $1,076 million, with an Adjusted EBITDA Margin1 of 14.0%

·Net Cash Provided by Operating Activities of $204 million

·Quarterly dividend of $0.4523 per ordinary share

Smurfit Westrock plc’s performance for the three months ended March 31, 2026 and 2025 (in millions, except margins and per share data):

Three months ended

March 31,

2026 2025

Net Sales $7,712 $7,656

Net Income $63 $382

Net Income Margin 0.8% 5.0%

Adjusted EBITDA1 $1,076 $1,252

Adjusted EBITDA Margin1 14.0% 16.4%

Net Cash Provided by Operating Activities $204 $235

Basic EPS $0.12 $0.74

Adjusted Basic EPS1 $0.33 $0.68

Tony Smurfit, President and CEO, commented:

“Against the backdrop of continued macro uncertainty we have delivered a solid first quarter performance, generating an Adjusted EBITDA¹ of $1,076 million.

“Our Net Income and Adjusted EBITDA¹ for the first quarter were negatively impacted by $65 million due to adverse weather events, primarily in our North American business.

“Our North American business represents our largest value creation opportunity. Demand across all paper grades improved progressively during the quarter. Reflecting this, containerboard pricing increased by a net $20 per ton in the quarter, with further price increases of $30 per ton implemented in April. Corrugated box volumes were in line with our expectations and reflect the continued evolution of our business mix and our approach to delivering value for customers. In corrugated, we onboarded over 600 new customers during the quarter. In our consumer and paperboard businesses, we continue to see strong customer adoption of our substrate-agnostic offering. As a result of these actions, and a generally better operating environment, we expect volume growth in the second half of the year.

“Our EMEA & APAC business continues to significantly outperform our peers with continued growth during the quarter with an improving demand profile and customer wins. Containerboard prices increased during March and April, primarily as a result of increased energy costs and better demand. Our corrugated business will be implementing this containerboard increase with the usual time-lag, which we expect to happen in the second half of the year. As part of our continued asset optimization program, we have entered into consultations at one of our UK mills, with capacity of approximately 200 thousand tonnes of containerboard, and at four converting facilities in the UK and the Netherlands. Smurfit Westrock continues to lead through innovation and sustainability, recently hosting over 200 customers at our European Innovation Event, which showcased advancements in sustainable packaging design and AI-enabled capabilities.

“Our Latin American business delivered another strong performance in the quarter with an Adjusted EBITDA margin of approximately 20%. Our unique, pan-regional offering and strong market positions, underpin our sustainable competitive advantage in this high growth region. The recent addition of a corrugated box plant in Ecuador expands our geographic reach, reinforces our position as the number one supplier in Latin America and increases our global paper integration.

1 Adjusted EBITDA, Adjusted EBITDA Margin and Adjusted Basic EPS are non-GAAP measures. See the “Non-GAAP Financial Measures and Reconciliations” below for discussion and reconciliation of these measures to the most comparable GAAP measures.

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“Our recently announced Medium-Term Plan targets an accelerated path to growth to 2030 and beyond through strong operational performance and disciplined capital allocation. We are focused on unlocking the full potential of North America, while continuing to outperform in EMEA & APAC, and delivering dynamic growth and strong margins in LATAM. Today, we see a stronger and a generally better industry operating environment. Assuming those conditions prevail, we currently expect to deliver Adjusted EBITDA2 of between $1.1 billion and $1.2 billion for the second quarter and, for the full year, we re-affirm our previous expectation of delivering Adjusted EBITDA2 of between $5.0 billion and $5.3 billion.”

Dividend

Smurfit Westrock plc announced today that its Board approved a quarterly dividend of $0.4523 per share on its ordinary shares. The quarterly dividend of $0.4523 per ordinary share is payable on June 10, 2026 to shareholders of record at the close of business on May 15, 2026. The default payment currency is U.S. Dollar for shareholders who hold their ordinary shares through a Depository Trust Company participant. It is also U.S. D

EX-99.1

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EXHIBIT 99.1

Exhibit 99.1

www.smurfitwestrock.com

Smurfit Westrock Reports Fourth Quarter and

Full Year 2025 Results

Dublin – February 11, 2026

– Smurfit Westrock plc (NYSE: SW, LSE: SWR) today announced the financial results for the fourth quarter and full year ended December 31, 2025.

Fourth Quarter Key Points:

·Net Sales of $7,580 million

·Net Income of $98 million, with a Net Income Margin of 1.3%

·Adjusted EBITDA1 of $1,172 million, with an Adjusted EBITDA Margin1 of 15.5%

·Net Cash Provided by Operating Activities of $1,195 million

·Adjusted Free Cash Flow1 of $679 million

·Previously announced quarterly dividend of $0.4523 per ordinary share, an increase of 5%

Smurfit Westrock plc’s performance for the three months and twelve months ended December 31, 2025 and 2024 (in millions, except margins and per share data):

Three months ended

December 31,

Twelve months ended

December 31,

2025

2024

2025

20242

Net Sales

$ 7,580

$ 7,539

$ 31,179

$ 21,109

Net Income

$ 98

$ 146

$ 699

$ 319

Net Income Margin

1.3 %

1.9 %

2.2 %

1.5 %

Adjusted EBITDA1

$ 1,172

$ 1,166

$ 4,939

$ 3,386

Adjusted EBITDA Margin1

15.5 %

15.5 %

15.8 %

16.0 %

Net Cash Provided by Operating Activities

$ 1,195

$ 781

$ 3,392

$ 1,483

Adjusted Free Cash Flow1

$ 679

$ 257

$ 1,501

$ 429

Basic EPS

$ 0.19

$ 0.28

$ 1.34

$ 0.83

Adjusted Basic EPS1

$ 0.34

$ 0.47

$ 2.05

$ 2.34

Tony Smurfit, President and CEO, commented:

“I am pleased to report a strong fourth quarter performance for Smurfit Westrock set against difficult market conditions. We are reporting, for the quarter, Net Income of $98 million and Adjusted EBITDA1 of $1,172 million, with an Adjusted EBITDA Margin1 of 15.5% with a strong Net Cash Provided by Operating Activities of $1,195 million and Adjusted Free Cash Flow1 of $679 million.

“In 2025, we established a strong foundation for Smurfit Westrock. We exceeded our committed synergy target of $400 million and put in place a series of customer-centric, commercial and operating initiatives. We also reduced loss making businesses and closed approximately 600,000 tons of high-cost or inefficient capacity as we continued to focus on portfolio optimization. During the year, we further reduced headcount by over 3,000, while continuing to invest significantly behind our customers, in our asset base and operating efficiency. We will outline the expected benefits of the actions we have taken, and future actions, for the medium-term, during our earnings call later today.

“For our North America region, performance in the quarter reflects the impact of additional downtime taken to balance our system and actively manage working capital. As we continue to transition to a value-based selling approach, our corrugated businesses are already achieving a better business mix and are winning significant new business, setting a strong platform for the future. For our consumer business, while there are near-term capacity issues (primarily within SBS), we believe our strong and continued focus on efficiency, innovation and asset optimization together with an experienced management team positions this business for future performance.

1 Adjusted EBITDA, Adjusted EBITDA Margin, Adjusted Free Cash Flow and Adjusted Basic EPS are non-GAAP measures. See the “Non-GAAP Financial Measures and Reconciliations” below for discussion and reconciliation of these measures to the most comparable GAAP measures.

2 Smurfit Westrock plc’s results for the full year ended December 31, 2024 appear in the consolidated financials included below. For the January 1, 2024 – July 5, 2024 time period, these results reflect the historical financial results of legacy Smurfit Kappa Group plc, which is considered the accounting acquirer in the combination between Smurfit Kappa Group plc and WestRock Company, which closed on July 5, 2024.

Page 1 of 10

“For our EMEA and APAC region, our leading, integrated platform with strong market positions again delivered an outstanding performance. We continue to believe that our business within this region is optimally positioned for a strong, future recovery.

“The performance of our LATAM region reflects the strength of our market positions and the benefits of growth projects already completed. LATAM continues to be a region of significant growth and opportunity.

“During 2025, we made significant progress in establishing a performance-led culture, optimizing our operating model, and adopting a sharper, customer-centric focus. Through the quality of our people, along with our innovation and sustainability expertise, we are increasingly excited about our future. As we will outline later on, through our Medium-Term Plan, we have targeted an accelerated path to growth. With regard to current trading, while we have experienced significant weather events in North America and Europe, we see a generally better industry operating environment, which positions us well

EX-99.1

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EXHIBIT 99.1

Exhibit 99.1

www.smurfitwestrock.com

Smurfit Westrock Reports Third Quarter 2025 Results

Dublin – October 29, 2025 –

Smurfit Westrock plc (NYSE: SW, LSE: SWR) today announced the financial results for the third quarter ended September 30, 2025.

Key points:

·Net Sales of $8,003 million

·Net Income of $245 million, with a Net Income Margin of 3.1%

·Adjusted EBITDA1 of $1,302 million, with an Adjusted EBITDA Margin1 of 16.3%

·Net Cash Provided by Operating Activities of $1,133 million

·Adjusted Free Cash Flow1 of $579 million

·Quarterly dividend of $0.4308 per ordinary share

Smurfit Westrock plc’s performance for the three months ended September 30, 2025 and 2024 (in millions, except margins and per share data):

September 30,

2025 20242

Net Sales $8,003 $7,671

Net Income (Loss) $245 $(150)

Net Income (Loss) Margin 3.1% (2.0)%

Adjusted EBITDA1 $1,302 $1,265

Adjusted EBITDA Margin1 16.3% 16.5%

Net Cash Provided by Operating Activities $1,133 $320

Adjusted Free Cash Flow1 $579 $118

Basic EPS $0.47 $(0.30)

Adjusted Basic EPS1 $0.58 $0.53

Tony Smurfit, President and CEO, commented:

“I am pleased to report that for the third quarter, we delivered in-line with our Adjusted EBITDA guidance. This performance was driven by the continued operational and commercial improvements in our North American business and our strong positions in EMEA and APAC and Latin America.

“We are reporting Net Income of $245 million and Adjusted EBITDA1 of $1,302 million, with an Adjusted EBITDA Margin1 of 16.3% and a strong Net Cash Provided by Operating Activities of $1,133 million.

“The operational and commercial improvement in our North American business is increasingly evident, with an Adjusted EBITDA of $810 million and an Adjusted EBITDA margin of 17.2% for the quarter. The North American mill system demonstrated a strong operational performance in the quarter. Our corrugated operations continue to focus on value over volume and exiting uneconomic business. This approach, together with our focus on delivering innovation, quality and service for our customer base, has delivered a strong improvement in returns. Our consumer business also continues to improve as a result of already implemented restructurings, utilizing the full breadth of our paper portfolio and a unique and innovative product offering.

“We believe we are one of the market leaders in EMEA and APAC, where we have once again demonstrated good returns despite a difficult market backdrop to deliver Adjusted EBITDA of $419 million with an Adjusted EBITDA margin of 14.8%. As a result of our integrated model, our mill system continues to run close to full utilization. While the backdrop from a paper supply perspective remains challenging, our value-added proposition in our packaging business is reflected in the resilience of our margin despite the softer demand environment. We believe the EMEA and APAC region is well positioned to benefit from improved demand, supported by a well invested asset base and strong market positions.

1 Adjusted EBITDA, Adjusted EBITDA Margin, Adjusted Free Cash Flow and Adjusted Basic EPS are non-GAAP measures. See the “Non-GAAP Financial Measures and Reconciliations” below for discussion and reconciliation of these measures to the most comparable GAAP measures.

2 All results reported for the three months ended September 30, 2024 do not include the financial results of legacy WestRock Company (''WestRock'') for the first five days of July due to the closing of the combination between Smurfit Kappa Group plc and WestRock Company on July 5, 2024.

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“Our Latin American operations delivered Adjusted EBITDA of $116 million for the quarter, with an Adjusted EBITDA margin of 21.3%, reflecting continued operational improvement and our strong market positions. The slightly lower margin quarter-on-quarter is primarily a result of a one-time operational issue which has now been resolved. Latin America remains a compelling growth region, both organically and inorganically.

“The year to date has been characterized by a challenging demand backdrop and as a result we expect to take additional economic downtime in the fourth quarter to optimize our system. As a result, we now expect to deliver full year Adjusted EBITDA3 in a $4.9 to $5.1 billion range. Our 2026 capital spend is expected to be in a $2.4 to $2.5 billion range. This level of spend allows us to continue optimizing our asset base, accelerating cost take-out and capitalizing high-growth areas.

“Our third quarter results reflect the significant progress we have made since the creation of Smurfit Westrock some 16 months ago. The steps we have taken, and continue to take, are building a better business and as we end 2025 and enter 2026 we are a much stronger Company, increasingly excited about our future prospects.”

Dividend

Smurfit Westrock plc announced today that its Board approved a quarterly dividend of $0.4308 p

EX-99.1

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EXHIBIT 99.1

Exhibit 99.1

www.smurfitwestrock.com

Smurfit Westrock Reports Second Quarter 2025 Results

Dublin – July 30, 2025 –

Smurfit Westrock plc (NYSE: SW, LSE: SWR) today announced the financial results for the second quarter ended June 30, 2025.

Key points:

·Second quarter Net Sales of $7,940 million

·Second quarter Net Loss of $26 million, with a Net Income Margin of negative 0.3%

·Second quarter Adjusted EBITDA1 of $1,213 million, with an Adjusted EBITDA Margin1 of 15.3%

·Quarterly dividend of $0.4308 per ordinary share

·On July 2, Fitch upgraded our long-term issuer rating to BBB+ with stable outlook

Smurfit Westrock plc’s performance for the three months ended June 30, 2025 and 2024 (in millions, except margins):

June 30,

2025 20242

Net Sales $7,940 $2,969

Net (Loss) Income $(26) $132

Net (Loss) Income Margin (0.3%) 4.4%

Adjusted EBITDA1 $1,213 $480

Adjusted EBITDA Margin1 15.3% 16.2%

Net Cash Provided by Operating Activities $829 $340

Adjusted Free Cash Flow1 $387 $189

Tony Smurfit, President and CEO, commented:

“I am pleased to report a strong second quarter performance as we continue to deliver in line with our Adjusted EBITDA guidance. This performance is driven by the significant improvement in our North American business and continued excellent results from our Latin American operations, somewhat offset by a resilient performance from our EMEA and APAC businesses.

“As a result of costs associated with the previously announced closures and other restructuring actions totaling $280 million, the Net Loss was $26 million for the quarter. Our Adjusted EBITDA was $1,213 million, with an Adjusted EBITDA margin of 15.3%.

“While at the early stages of our journey, I am pleased to deliver a significant improvement in our North American operations, with an Adjusted EBITDA of $752 million and an Adjusted EBITDA margin of 15.8% for the quarter, as a result of our sharper operating focus and the benefit of our synergy program.

“In our EMEA and APAC operations, Adjusted EBITDA was $372 million and Adjusted EBITDA margin was 13.4% for the quarter. Against a challenging European backdrop, we believe we continue to outperform the industry due to our customer centric approach and leadership in innovation and sustainability.

“Our Latin American operations, which reported an Adjusted EBITDA of $123 million and a 23.7% Adjusted EBITDA margin for the quarter, continue to benefit from strong market positions and improvement in our performance across the region.

“With our geographic reach, unrivalled product portfolio and most importantly our people, we see extensive opportunities across all our regions. In North America, we believe the implementation of our operating model will drive continued significant improvement. In our EMEA and APAC region, we have a well invested asset base and strong market positions, primed to take advantage of an improved demand environment. Latin America remains a region of substantial growth opportunities, both organic and inorganic.

1 Adjusted EBITDA, Adjusted EBITDA Margin and Adjusted Free Cash Flow are non-GAAP measures. See the “Non-GAAP Financial Measures and Reconciliations” below for discussion and reconciliation of these measures to the most comparable GAAP measures.

2 All results reported for the three months ended June 30, 2024 reflect the historical financial results of legacy Smurfit Kappa Group plc, which is considered the accounting acquirer in the combination between Smurfit Kappa Group plc and WestRock Company, which closed on July 5, 2024.

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“I am increasingly excited about the performance and prospects of the business and assuming the current conditions prevail, we expect third quarter Adjusted EBITDA3 to be approximately $1.3 billion and our current estimate for a full year Adjusted EBITDA3 remains between $5.0 billion and $5.2 billion."

Dividend

Smurfit Westrock plc announced today that its Board approved a quarterly dividend of $0.4308 per share on its ordinary shares. The quarterly dividend of $0.4308 per ordinary share is payable September 18, 2025 to shareholders of record at the close of business on August 15, 2025.

The default payment currency is U.S. Dollar for shareholders who hold their ordinary shares through a Depository Trust Company participant. It is also U.S. Dollar for shareholders holding their ordinary shares in registered form, unless a currency election has been registered with the Company’s Transfer Agent, Computershare Trust Company N.A. by 5:00 p.m. (New York) / 10:00 p.m. (Dublin) on August 14, 2025.

The default payment currency for shareholders holding their ordinary shares in the form of Depository Interests is U.S. Dollar. Such shareholders can elect to receive the dividend in Pounds Sterling or Euro by providing their instructions to the Company’s Depositary Interest provider, Computershare Investor Services plc, by 12:00 p.m. (New York) / 5:00 p.m. (Dublin) on

EX-99.1

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EXHIBIT 99.1

Exhibit 99.1

www.smurfitwestrock.com

Smurfit Westrock Reports First Quarter 2025 Results

Dublin – May 1, 2025 –

Smurfit Westrock plc (NYSE: SW, LSE: SWR) today announced the financial results for the first quarter ended March 31, 2025.

Key points:

·First quarter Net Sales of $7,656 million

·First quarter Net Income of $382 million, with a Net Income Margin of 5.0%

·First quarter Adjusted EBITDA1 of $1,252 million, with an Adjusted EBITDA Margin1 of 16.4%

·Quarterly dividend of $0.4308 per ordinary share

Smurfit Westrock plc’s performance for the three months ended March 31, 2025 and 2024 (in millions, except margins):

March 31,

2025 20242

Net Sales $7,656 $2,930

Net Income $382 $191

Net Income Margin 5.0% 6.5%

Adjusted EBITDA1 $1,252 $475

Adjusted EBITDA Margin1 16.4% 16.2%

Net Cash provided by Operating Activities $235 $42

Adjusted Free Cash Flow1 $(144) $(130)

Tony Smurfit, President and CEO, commented:

“I am pleased to report a strong first quarter performance with Net Income of $382 million, Adjusted EBITDA of $1,252 million, in-line with our stated guidance, and an Adjusted EBITDA margin of 16.4%. This performance was driven by good results across all three segments, with notable progress in North America, and is significantly ahead of the combined result for the prior year.

“I am especially pleased with how well the combination has come together, with strong operational and cultural integration taking place across all three regions. Coupled with our geographic footprint and our unrivalled portfolio of innovative and sustainable packaging solutions, we have a customer-focused and performance-driven team that is delivering for all stakeholders.

“Our synergy program is on track to deliver $400 million, with approximately $350 million in the current year. We believe there is substantial opportunity to continue to structurally improve the business through a sharper commercial and operational focus, at least equal to our synergy target.

“We continue to actively optimize our asset base. We have recently announced the closure of over 500,000 tons of paper capacity in North America. We are also closing two converting facilities in our North American region and have initiated consultations to close two of our converting facilities in EMEA & APAC.

“To consolidate our leadership position and better support our customers, we have constructed two state-of-the-art converting plants in Washington and Wisconsin and are completing a new Bag-in-Box facility in South Carolina in our North American region. Comparable investments in EMEA & APAC, in high-performing converting equipment, will reduce our cost base and strengthen our overall footprint in the region while in Latin America, we continue to invest in cost take-out and growth projects, for example, the biomass boiler in Colombia which is nearing completion.

1 Adjusted EBITDA, Adjusted EBITDA Margin and Adjusted Free Cash Flow are non-GAAP measures. See the “Non-GAAP Financial Measures and Reconciliations” below for discussion and reconciliation of these measures to the most comparable GAAP measures.

2 All results reported for the three months ended March 31, 2024 reflect the historical financial results of legacy Smurfit Kappa Group plc, which is considered the accounting acquirer in the combination between Smurfit Kappa Group plc and WestRock Company, which closed on July 5, 2024.

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“Consistent with our disciplined operating approach and before we see the impact in our system of the announced closures, we expect to incur additional economic downtime in the second quarter costing approximately $100 million versus the first quarter. While the demand outlook is uncertain, we expect second quarter Adjusted EBITDA3 to be approximately $1.2 billion and our current estimate for a full year Adjusted EBITDA3 is between $5.0 billion and $5.2 billion.

“Our progressive improvement together with a strong margin performance is a clear demonstration of the strength of Smurfit Westrock in a period characterised by significant volatility. As the global leader, with leading market positions across many of the 40 countries in which we operate, we continue to see significant opportunity for growth, development and cost take-out. We believe that the actions we have taken, and continue to take, will translate to superior operating and financial performance for Smurfit Westrock.”

Dividend

Smurfit Westrock plc announced today that its Board approved a quarterly dividend of $0.4308 per share on its ordinary shares. The quarterly dividend of $0.4308 per ordinary share is payable June 18, 2025 to shareholders of record at the close of business on May 16, 2025.

The default payment currency is U.S. Dollar for shareholders who hold their ordinary shares through a Depository Trust Company participant. It is also U.S. Dollar for shareholders holding their ordinary shares in registered form, unless a currenc

EX-99.1

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EXHIBIT 99.1

Exhibit 99.1

Smurfit Westrock Reports Fourth Quarter and Full Year 2024 Results

Dublin – February 12, 2025 –

Smurfit Westrock plc (NYSE: SW, LSE: SWR) today announced the financial results for the fourth quarter and full year ended December 31, 2024.

Key points:

·Fourth quarter Net Sales of approx. $7.5 billion

·Fourth quarter Net Income of $146 million, with a Net Income Margin of 1.9%

·Fourth quarter Adjusted EBITDA1 of $1,166 million, with an Adjusted EBITDA Margin1 of 15.5%

·Full year Net Income of $319 million2

·Full Year Combined Adjusted EBITDA1 of $4.7 billion, in-line with guidance

·Previously announced quarterly dividend of $0.4308 per ordinary share, an increase of 42%

Smurfit Westrock plc’s performance for the three months ended December 31, 2024 and December 31, 2023 (in millions, except margin percentages):

December 31, 2024 December 31 20233

Net Sales $7,539 $2,862

Net Income $146 $50

Net Income Margin 1.9% 1.8%

Adjusted EBITDA1 $1,166 $447

Adjusted EBITDA Margin1 15.5% 15.6%

Net Cash provided by Operating Activities $781 $611

Adjusted Free Cash Flow1 $257 $391

Tony Smurfit, President and CEO, commented:

“I am pleased to report a strong fourth quarter performance with Net Income of $146 million, Adjusted EBITDA1 of $1,166 million and an Adjusted EBITDA Margin1 of 15.5%. For the full year, in line with our stated guidance, we have delivered a Full Year Combined Adjusted EBITDA1 of $4,706 million.

“While we are at the beginning of our journey, I am immensely proud of what our teams have achieved in our first six months as Smurfit Westrock. The operational and financial expertise that are hallmarks of this management team are already being applied as we transform the combined business.

“Our synergy program of $400 million is on track and will be completed by the end of this year. Moreover, there are significant operational and commercial opportunities, at least equating to that synergy target.

“Smurfit Westrock with its unrivalled scale, geographic reach and product portfolio has an unparalleled capacity to deliver innovative sustainable packaging solutions. As a world leader in paper-based packaging, our unique characteristics will enable us to deliver significant long-term value to our extensive customer base.

“The year has started well and in the first quarter of 2025, assuming current market conditions prevail, we anticipate delivering an Adjusted EBITDA4 of approximately $1.25 billion.

“Smurfit Westrock is creating a performance-led culture and a formidable team. We are very confident about the future opportunities and prospects for our business, in part reflected by our progressive dividend. For the current year, subject as always to macro-economic and climate risks, we expect continued and meaningful progress on our transformation journey.”

1 Adjusted EBITDA, Adjusted EBITDA Margin, Adjusted Free Cash Flow and Full Year Combined Adjusted EBITDA are non-GAAP measures. See the “Non-GAAP Financial Measures and Reconciliations” below for the discussion and reconciliation of these measures to the most comparable GAAP measures.

2 Smurfit Westrock plc’s results for the full year ended December 31, 2024 appear in the consolidated financials included below. For the January 1, 2024 – July 5, 2024 time period, these results reflect the historical financial results of legacy Smurfit Kappa Group plc, which is considered the accounting acquirer in the combination between Smurfit Kappa Group plc and WestRock Company, which closed on July 5, 2024.

3 All results reported for the three months ended December 31, 2023 reflect the historical financial results of legacy Smurfit Kappa Group plc, which is considered the accounting acquirer in the combination between Smurfit Kappa Group plc and WestRock Company, which closed on July 5, 2024.

4 Adjusted EBITDA is a non-GAAP financial measure. We have not reconciled Adjusted EBITDA outlook to the most comparable GAAP outlook because it is not possible to do so without unreasonable efforts due to the uncertainty and potential variability of reconciling items, which are dependent on future events and often outside of management’s control and which could be significant. Because such items cannot be reasonably predicted with the level of precision required, we are unable to provide an outlook for the comparable GAAP measure (net income).

Page 1 | 11

Earnings Call

Management will host an earnings conference call today at 7:30 AM ET / 12:30 PM GMT to discuss Smurfit Westrock’s financial results. The conference call will be accessible through a live webcast. Interested investors and other individuals can access the webcast, earnings release, and earnings presentation via the Company’s website at www.smurfitwestrock.com. The webcast will be available at https://investors.smurfitwestrock.com/overview and a replay of the webcast will be available on the website shortly after the call.

Forward Look

EX-99.1

2 tm2427058d1_ex99-1.htm

EXHIBIT 99.1

Exhibit 99.1

www.smurfitwestrock.com

Smurfit Westrock Reports Third Quarter 2024 Financial Results

Dublin – October 30, 2024 –

Smurfit Westrock plc (NYSE: SW, LSE: SWR) today announced the financial results for the third quarter ended September 30, 2024.

Key points:

·Net Sales of approx. $7.7 billion

·Net Loss of $150 million, with a Net Income Margin of negative 2.0%

·Adjusted EBITDA1 of $1,265 million, with an Adjusted EBITDA Margin1 of 16.5%

·Continuing focus on asset optimization

·Previously announced quarterly dividend of $0.3025 per ordinary share

Smurfit Westrock plc’s performance for the three months ended September 30, 2024 and September 30, 2023 (in millions, except margin percentages):

September 30, 20242 September 30, 20233

Net Sales $7,671 $2,915

Net (Loss) Income $(150) $229

Net Income Margin (2.0%) 7.8%

Adjusted EBITDA1 $1,265 $525

Adjusted EBITDA Margin1 16.5% 18.0%

Net Cash provided by Operating Activities $320 $378

Adjusted Free Cash Flow1 $118 $214

Tony Smurfit, President and CEO, commented:

“I am pleased to report an excellent performance for the third quarter, the first for Smurfit Westrock. The Net Loss for the quarter of $150 million was primarily due to transaction related expenses and purchase accounting adjustments totalling approximately $500 million. With Adjusted EBITDA1 of $1,265 million and an Adjusted EBITDA Margin1 of 16.5%, these results are a strong foundation to build upon.

“Our established track record of delivering value to our customers through service, quality and innovation is already beginning to yield results. Equally, we believe our focus on plant level autonomy, operational improvement and profitability will deliver in time, benefits at least equal to the stated synergy target of $400 million.

“Our third quarter performance, combined with our deeper knowledge of the Combination and continuing asset optimization, clearly points to the opportunities ahead for Smurfit Westrock. We are at the start of our journey to build the ‘go-to’ sustainable packaging partner of choice, a global leader with an unrivalled scale, geographic reach and product portfolio. Having spent the last number of months visiting our plants, it is also clear that our people are excited and motivated to be a part of this journey.

“We expect 2024 Full Year Combined Adjusted EBITDA4 of approximately $4.7 billion and we are increasingly excited by our immediate and longer-term prospects.”

1 Adjusted EBITDA, Adjusted EBITDA Margin and Adjusted Free Cash Flow are non-GAAP measures. See the “Non-GAAP Financial Measures and Reconciliations” below for the discussion and reconciliation of these measures to the most comparable GAAP measures.

2 All results reported for the three months ended September 30, 2024 do not include the financial results of legacy WestRock Company (“WestRock”) for the first five days of July due to the closing of the combination between Smurfit Kappa Group plc and WestRock Company on July 5, 2024.

3 All results reported for the three months ended September 30, 2023 reflect the historical financial results of legacy Smurfit Kappa Group plc, which is considered the accounting acquirer in the combination between Smurfit Kappa Group plc and WestRock, which closed on July 5, 2024 (the “Combination”).

4 2024 Full Year Combined Adjusted EBITDA is a non-GAAP financial measure. We have not reconciled Adjusted EBITDA outlook to the most comparable GAAP outlook because it is not possible to do so without unreasonable efforts due to the uncertainty and potential variability of reconciling items, which are dependent on future events and often outside of management’s control and which could be significant. Because such items cannot be reasonably predicted with the level of precision required, we are unable to provide an outlook for the comparable GAAP measure (net income).

Page 1 | 13

Third Quarter 2024 | Financial Performance

Smurfit Westrock’s net sales increased by $4,756 million, to $7,671 million in the third quarter of 2024 from $2,915 million in the third quarter of 2023. This increase was primarily due to the positive impact from acquisitions of $4,693 million, of which $4,684 million related to the acquisition of WestRock, and a net positive volume impact of $98 million (excluding the impact of acquisitions), primarily driven by an increase in corrugated volumes. The above increases were partially offset by the net negative impact of a lower selling price/mix of $30 million and a net negative currency impact of $5 million.

Net income decreased by $379 million, to a net loss of $150 million, with a net income margin of negative 2.0% in the third quarter of 2024, from net income of $229 million, with a net income margin of 7.8% in the third quarter of 2023. This decrease was primarily due to a $4,148 million increase in cost of goods sold (including an expense of $227 million for the amortization of the fair val

EX-99.1

2 tm2420404d1_ex99-1.htm

EXHIBIT 99.1

Exhibit 99.1

Smurfit Westrock Reports Second Quarter 2024 Financial Results

Dublin – July 30, 2024

– Smurfit Westrock plc (NYSE: SW, LSE: SWR) today announced the financial results for the second quarter ended June 30, 2024 of Smurfit Kappa Group plc. Due to the timing of the completion of the combination of Smurfit Kappa Group plc and WestRock Company, results for the combined company of Smurfit Westrock will be reported from the third quarter 2024.

Key points:

·Net Sales of approx. $3.0 billion

·Net Income of $132 million

·Adjusted EBITDA1 of $480 million, with an Adjusted EBITDA Margin1 of 16.2%

·Higher recovered fiber costs in the process of being recovered

·Previously announced quarterly dividend of $0.3025 per ordinary share

·Smurfit Westrock listed on the NYSE and included in S&P 500

·Smurfit Westrock credit rating of BBB/BBB/Baa2 from S&P, Fitch and Moody’s respectively

Smurfit Kappa Group plc’s performance for the three months ended June 30, 2024 and 2023 (in millions):

June 30, 2024 June 30, 2023

Net Sales $2,969 $3,076

Net Income $132 $267

Adjusted

EBITDA1

$480 $556

Adjusted EBITDA Margin1 16.2% 18.1%

Net Cash provided by Operating Activities $340 $307

Adjusted Free Cash Flow1 $186 $83

June 30, 2024 December 31, 2023

Net Leverage Ratio1 1.6x 1.3x

Tony Smurfit, President and CEO, commented:

“I am pleased to report a strong set of results, and continued delivery of quality and service for our customers. This has been driven by our performance-led culture, together with the continuing benefits of our prior year capital allocation decisions. These results were also achieved against a backdrop of significantly higher recovered fiber costs and lower corrugated box prices. We expect these increased costs will be recovered through increased box pricing with the customary time lag.

“Smurfit Kappa’s corrugated volume growth was 3.1% in the second quarter with 3.5% growth in Europe and 1.5% in the Americas year-on-year. On a shipments per day basis, volume growth was 1.1% for the Group, with growth of 1.4% and 0.1% in Europe and the Americas respectively. Demand in Southern and Eastern Europe remained robust while German demand remained soft. In the Americas, demand was generally good, with the exception of Argentina.

“After the quarter end, on July 5, we completed our transaction with WestRock. On July 8, Smurfit Westrock listed on the NYSE and was included in the S&P 500. While we don’t underestimate the amount of hard work ahead of us, there is tremendous energy and enthusiasm to ensure a successful future for Smurfit Westrock. I believe that with the quality of our people and the strength of our market positions, we are creating something truly unique. Smurfit Westrock will be the ‘Go-To’ sustainable packaging company with the right product, in the right space at the right time.”

1 Adjusted EBITDA, Adjusted EBITDA Margin, Adjusted Free Cash Flow and Net Leverage Ratio are non-GAAP measures. See the “Non-GAAP Financial Measures and Reconciliations” below for the discussion and reconciliation of these measures to the most comparable GAAP measures.

Page 1 of 12

Second Quarter 2024 | Financial Performance

Smurfit Kappa’s net sales decreased by $107 million, or 3%, to $2,969 million in the second quarter of 2024 from $3,076 million in the second quarter of 2023. This decrease was primarily driven by lower average box pricing in our European business year-on-year. The decrease was partially offset by an increase in Group corrugated volumes of 3.1% (1.1% on a shipments per day basis), a $28 million net positive foreign currency impact and a $4 million positive impact from acquisitions.

Net income decreased by $135 million, to $132 million in the second quarter, from $267 million in the same period of last year. This decrease was primarily due to a decrease in net sales and additional transaction-related expenses of $60 million associated with the Smurfit Westrock combination, which were partially offset by a $12 million decrease in costs of goods sold driven by lower raw material and energy costs year-on-year.

Adjusted EBITDA for the Group was $480 million, with an adjusted EBITDA margin of 16.2% in the second quarter of 2024, compared to adjusted EBITDA of $556 million, with an adjusted EBITDA margin of 18.1% in the second quarter of 2023.

Adjusted EBITDA for Europe decreased by $77 million to $355 million in the second quarter, from $432 million in the same period of 2023. This decrease was primarily due to a $143 million decrease in net sales and an increase in labor, distribution and recovered fiber costs, partially offset by a decrease in energy and other raw material costs. The adjusted EBITDA margin in Europe was 16.1% in the second quarter, compared to 18.4% at the same time last year.

Adjusted EBITDA for our Americas segment increased by $6 million, or 4%, to $146 million in the second quarter of 2024, from $140 million for

EX-99.1

2 tm2420404d2_ex99-1.htm

EXHIBIT 99.1

Exhibit 99.1

Paper | Packaging | Solutions 2024 Second Quarter Results Consistently Delivering

2 Paper | Packaging | Solutions © 2024 Smurfit Westrock. All Rights Reserved.

Forward Looking Statements

This presentation includes certain “forward-looking statements” (including within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended) regarding, among other things, the plans, strategies, outcomes, and prospects, both business and financial, of Smurfit Westrock plc (the “Company”), the expected benefits of the completed combination of Smurfit Kappa Group plc and WestRock Company to form the combined company of Smurfit Westrock (the “Combination”) (including, but not limited to, synergies), and any other statements regarding the Company’s future expectations, beliefs, plans, objectives, results of operations, financial condition and cash flows, or future events or performance. Statements that are not historical facts, including statements about the beliefs and expectations of the management of the Company, are forward-looking statements. Words such as “may”, “will”, “could”, “should”, “would”, “anticipate”, “intend”, “estimate”, “project”, “plan”, “believe”, “expect”, “target”, “prospects”, “potential”, “commit”, “forecasts”, “aims”, “considered”, “likely”, “estimate” and variations of these words and similar future or conditional expressions are intended to identify forward-looking statements but are not the exclusive means of identifying such statements. While the Company believes 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 the control of the Company. By their nature, forward-looking statements involve risk and uncertainty because they relate to events and depend upon future circumstances that may or may not occur. Actual results may differ materially from the current expectations of the Company depending upon a number of factors affecting its business, including risks associated with the integration and performance of the Company following the Combination. Important factors that could cause actual results to differ materially from such plans, estimates or expectations include: developments related to pricing cycles and volumes; economic, competitive and market conditions generally, including macroeconomic uncertainty, customer inventory rebalancing, the impact of inflation and increases in energy, raw materials, shipping, labor and capital equipment costs; reduced supply of raw materials, energy and transportation, including from supply chain disruptions and labor shortages; intense competition; risks related to international sales and operations; the Company’s ability to respond to changing customer preferences and to protect intellectual property; results and impacts of acquisitions by the Company; the amount and timing of the Company’s capital expenditures; evolving legal, regulatory and tax regimes; changes in economic, financial, political and regulatory conditions in Ireland, the United Kingdom, the United States and elsewhere, and other factors that contribute to uncertainty and volatility, natural and man-made disasters, civil unrest, pandemics (such as the COVID-19 pandemic), geopolitical uncertainty, and conditions that may result from legislative, regulatory, trade and policy changes associated with the current or subsequent Irish, US or UK administrations; the ability of the Company to successfully recover from a disaster or other business continuity problem due to a hurricane, flood, earthquake, terrorist attack, war, pandemic, security breach, cyber-attack, power loss, telecommunications failure or other natural or man-made event, including the ability to function remotely during long-term disruptions such as the COVID-19 pandemic; the impact of public health crises, such as pandemics (including the COVID-19 pandemic) and epidemics and any related company or governmental policies and actions to protect the health and safety of individuals or governmental policies or actions to maintain the functioning of national or global economies and markets; the potential impairment of assets and goodwill; the scope, costs, timing and impact of any restructuring of operations and corporate and tax structure; actions by third parties, including government agencies; the Company’s ability to achieve the synergies and value creation contemplated by the Combination; the availability of sufficient cash to distribute dividends to the Company’s shareholders in line with current expectations; the Company’s ability to promptly and effectively integrate Smurfit Kappa’s and WestRock’s businesses; the Company’s ability to successfully implement strategic transformation initiatives; the Company’s significant levels of indebtedne