Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-36473 Trinseo PLC (Exact name of registrant as specified in its charter) (State or other jurisdiction of inco ...

Trinseo (TSE) Q1 2025 Earnings Call May 08, 2025 10:00 AM ET Company Participants Bregje Roseboom-Van Kessel - SVP Corporate Development, Investor RelationsFrank Bozich - President & Chief Executive OfficerDavid Stasse - EVP & CFOMatthew Blair - Managing DirectorDan Rizzo - Senior Vice PresidentFrank Mitsch - President Conference Call Participants Hassan Ahmed - Senior Equity Analyst Operator Good morning, ladies and gentlemen, and welcome to the Trinseo First Quarter twenty twenty five Financial Results Co ...

Trinseo (TSE) Q1 2025 Earnings Call May 08, 2025 10:00 AM ET Speaker0 Good morning, ladies and gentlemen, and welcome to the Trinseo First Quarter twenty twenty five Financial Results Conference Call. We welcome the Trinseo management team, Frank Bozich, President and CEO David Stasey, Executive Vice President and CFO and Bea Van Kessel, Senior Vice President, Corporate Finance and Investor Relations. Today's conference call will include brief remarks by the management team followed by a question and answer ...

First Quarter 2025 Financial Results & Second Quarter 2025 Outlook May 7, 2025 1 Trademark of Trinseo PLC or its affiliates Introductions & Disclosure Rules | • | Net loss of $79 million and EPS of negative $2.22 included $25 million of refinancing costs for the | debt transactions that closed in January 2025 | | | | --- | --- | --- | --- | --- | | Q1 2025 Results | | | | | | • | Adjusted EBITDA* of $65 million was $20 million above prior year driven by $26 million of | polycarbonate technology licensing in ...

Trinseo (TSE) came out with a quarterly loss of $1.37 per share versus the Zacks Consensus Estimate of a loss of $1.40. This compares to loss of $1.94 per share a year ago. These figures are adjusted for non-recurring items.This quarterly report represents an earnings surprise of 2.14%. A quarter ago, it was expected that this plastics and latex maker would post a loss of $2.30 per share when it actually produced a loss of $2.67, delivering a surprise of -16.09%.Over the last four quarters, the company has ...

Exhibit 99.1 Contact: Bee van Kessel Tel: +41 44 718 3685 Email: bvankessel@trinseo.com Trinseo Reports First Quarter 2025 Financial Results and Provides Second Quarter Outlook First Quarter 2025 Highlights ● Net loss of $79 million and EPS of negative $2.22 included $25 million of refinancing costs for the debt transactions that closed in January 2025 ● Adjusted EBITDA* of $65 million was $20 million above prior year driven by $26 million of polycarbonate technology licensing income as well as savings from ...

Business Segments and Sales - Trinseo PLC operates under four reportable segments: Engineered Materials, Latex Binders, Polymer Solutions, and Americas Styrenics as of December 31, 2024[34]. - In 2024, approximately 36% of total Engineered Materials net sales were generated in Europe, 45% in the United States, and 12% in Asia[39]. - The Engineered Materials segment's sustainable products represented 4% of its volume in 2024, indicating a core growth area[41]. - The Latex Binders segment holds the 1 position in SB latex capacity in North America and a Top 3 position in Europe, with 43% of sales generated in Europe and 31% in the United States in 2024[52]. - The Polymer Solutions segment generated approximately 48% of net sales in Europe, 28% in North America, and the remainder primarily in Asia in 2024[60]. - Copolymers, including ABS and SAN, represented approximately 41% of total net sales in the Polymer Solutions segment in 2024[61]. - In 2024, Americas Styrenics was the 1 producer of polystyrene in North America, supplying 18% of the styrene monomer capacity in the region[76]. - In 2024, net sales to CASE applications accounted for approximately 14% of total Latex Binders net sales, with margins about two times the average of products in the segment[55]. Sustainability Initiatives - Trinseo announced the opening of a PMMA depolymerization plant in Rho, Italy in June 2024, enhancing its sustainability goals[26]. - The company continues to invest in differentiated and sustainable product offerings, particularly in the compounding business segments and CASE applications[25]. - The company continued its recycled polystyrene efforts in 2024, including offering recycled polystyrene for food packaging applications[70]. - The company announced the opening of a PMMA depolymerization pilot facility in Rho, Italy, in June 2024, which produces high-purity regenerated MMA[114]. - The company started two more recycling demo/pilot plants in 2024, one in Terneuzen, Netherlands, for ABS dissolution technology and one in Rho, Italy, for PMMA depolymerization technology[114]. Financial Performance and Strategy - Trinseo's restructuring initiatives include product line shutdowns and workforce reductions aimed at improving profitability and cash flow generation[27]. - Trinseo maintains a disciplined approach to capital allocation, prioritizing debt servicing, targeted growth initiatives, and shareholder returns[31]. - The contribution to equity earnings from Americas Styrenics' polystyrene business was approximately 229% in 2024, up from 88% in 2023 and 71% in 2022[76]. - The company has received dividends of $45.0 million from its Americas Styrenics joint venture for the year ended December 31, 2024[169]. - The divestiture of the styrenics business is a key part of the company's transformation strategy, but the timing and success of this process remain uncertain[167]. Workforce and Corporate Governance - As of December 31, 2024, the company had approximately 2,950 employees worldwide, with 57% in the EMEA region, 26% in the Americas, and the remainder in Asia Pacific[124]. - Approximately 97% of the company's workforce is full-time, with nearly 70% located at manufacturing and R&D sites[125]. - The company has a commitment to equity and inclusion, with 36% of its Board and 33% of its executive leadership team being women[131]. - The company has conducted internal reviews to ensure equitable compensation practices across all jurisdictions where it operates[133]. Risks and Challenges - The company is subject to various risks, including volatility in raw material costs and the impact of global trade conflicts on its operations[139]. - Principal raw materials (butadiene, MMA, and styrene) account for approximately 48% of the total cost of goods sold, making volatility in their prices a significant concern for financial results[149]. - Increased energy costs and supply constraints, particularly due to the ongoing conflict in Ukraine, could adversely impact the company's operations and financial results[152]. - The company faces risks related to the integration of acquired businesses, which may not yield the anticipated benefits or synergies[170]. - The company is subject to numerous regulations that could increase costs and impact its operations if violated[174]. Legal and Compliance - The company has ongoing legal proceedings that could incur significant costs and divert management resources, potentially impacting financial condition and cash flows[197]. - The company is subject to covenants in its credit agreements that may restrict its ability to operate and take advantage of business opportunities[195]. - The company must meet a minimum liquidity test under its 2028 Refinance Credit Agreement and other facilities, which is dependent on future performance and general economic conditions[195]. Technology and Innovation - The company acknowledges that technological innovation and successful product development are critical for maintaining competitive advantage and profit margins[164]. - Cybersecurity incidents could compromise confidential information and negatively impact operations and reputation, leading to potential financial repercussions[210]. - The implementation of a new enterprise resource planning system has been paused, which could disrupt operations and affect financial reporting[211].

Financial Data and Key Metrics Changes - The company reported a full-year adjusted EBITDA improvement of $50 million, despite macroeconomic challenges such as geopolitical uncertainty and high inflation [12][19] - Fourth quarter adjusted EBITDA was $26 million, which was $6 million higher than the prior year, but negatively impacted by unfavorable net timing effects [25][19] - Cash provided by operations during the fourth quarter was $85 million, resulting in free cash flow of $64 million, marking the highest quarter of free cash flow generation in over two years [26][20] Business Line Data and Key Metrics Changes - Sales of recycled content products increased by 47% year-over-year, now representing 4% of total company variable margin in 2024 [15] - Engineered Materials segment saw a 3% increase in PMMA Resins sales volumes year-over-year, despite weak end market demand [15] - The Polymer Solutions segment faced significant negative timing impacts due to falling raw material prices, particularly styrene [25][19] Market Data and Key Metrics Changes - The company noted a significant decline in consumer confidence across major markets, particularly in Europe and China, affecting end markets such as automotive and construction [12] - The company anticipates a compound annual demand growth of at least 7% in target end markets through the end of the decade, particularly in India [18] Company Strategy and Development Direction - The company is focused on executing self-help actions and transformation strategies to navigate macroeconomic challenges [12] - Significant advancements in circular technologies were highlighted, including the commissioning of pilot facilities for polycarbonate and PMMA [16] - The company is pursuing a strategic partnership with Deepak Nitrite Limited, viewing India as a significant growth market [17][18] Management's Comments on Operating Environment and Future Outlook - Management does not anticipate meaningful demand recovery in major end markets in 2025, citing ongoing geopolitical issues [27] - The first quarter of 2025 is expected to be sequentially better than Q4, with anticipated adjusted EBITDA of $60 million to $80 million, including a one-time contribution from the licensing agreement [29] - Management expressed confidence in the actions taken over the past two years to position the company for eventual market recovery [30] Other Important Information - The company has restructured its reporting segments to better reflect its operational strategy [22] - A transaction was closed in January that increased available liquidity by approximately $150 million and extended debt maturity to 2028 [24] Q&A Session Summary Question: Follow-up on cash spends for 2025 - Management indicated that the increase in cash expenditures is primarily due to working capital changes and higher cash taxes resulting from increased profitability [33][36] Question: Impact of lower styrene pricing on profitability - Management explained that pricing on styrene-containing products is generally indexed, leading to a pass-through effect on profitability [39][40] Question: Guidance for Q1 and potential destocking - Management noted that they do not foresee significant destocking initiatives from customers and that demand in automotive is more related to consumer confidence than inventory levels [81][82] Question: Status of the AmSty sale process - Management clarified that the sale process is not halted but is being timed to optimize value [122] Question: Insights on the recycling platform and margins - Management reported that recycled products are seeing significant demand and margins are substantially higher than virgin products [75][76]

Fourth Quarter 2024 Financial Results & First Quarter 2025 Outlook February 12, 2025 1 Trademark of Trinseo PLC or its affiliates Introductions & Disclosure Rules Introductions • Bee van Kessel, Senior Vice President, Corporate Finance & Investor Relations Disclosure Rules This presentation may contain forward-looking statements including, without limitation, statements concerning plans, objectives, goals, projections, forecasts, strategies, future events or performance, and underlying assumptions and other ...

Trinseo (TSE) Q4 2024 Earnings Call February 13, 2025 10:00 AM ET Company Participants Bregje Roseboom-Van Kessel - SVP Corporate Development, Investor RelationsFrank Bozich - President & Chief Executive OfficerDavid Stasse - EVP & CFOFrank Mitsch - PresidentMatthew Blair - Managing DirectorHassan Ahmed - Co-FounderAlex Kelsey - Vice PresidentDavid Begleiter - Managing Director Conference Call Participants Laurence Alexander - AnalystRoger Spitz - Analyst Operator morning, ladies and gentlemen, and welcome ...