Form 8-K - Current report

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 6, 2024

Trinseo PLC

(Exact name of registrant as specified in its charter)


Ireland	001-36473	N/A
(State or other jurisdiction of incorporation or organization)	(Commission File Number)	(I.R.S. Employer Identification Number)

440 East Swedesford Road, Suite 301

Wayne, Pennsylvania 19087

(Address of principal executive offices, including zip code)

(610) 240-3200

(Telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of Each Class	Trading symbol	Name of Exchange on which registered
Ordinary Shares, par value $0.01 per share	TSE	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

ITEM 2.02

Results of Operations and Financial Condition

On August 6, 2024, Trinseo PLC, a public limited company existing under the laws of Ireland (the “Company”), issued a press release announcing its financial results for the second quarter ended June 30, 2024. A copy of the press release is furnished as Exhibit 99.1 hereto. The Company intends to hold an investor call and webcast to discuss these results on Wednesday, August 7, 2024 at 10 AM Eastern Time. Ahead of this call the Company is also making available on its website an investor presentation, which will be discussed on the call and is furnished as Exhibit 99.2 hereto.

The information contained herein and in the accompanying exhibits shall not be deemed filed for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such a filing.

ITEM 9.01.

Financial Statements and Exhibits

(d) Exhibits

ay
Exhibit Number		Description
99.1		Press Release dated August 6, 2024
99.2		Investor Presentation, dated August 6, 2024
104		Cover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

a
	TRINSEO PLC


	By:	/s/ David Stasse
	Name:	David Stasse
	Title:	Executive Vice President and Chief Financial Officer

Date: August 6, 2024

Exhibit 99.1


Contact:
Andy Myers
Tel : +1 610-240-3221
Email: aemyers@trinseo.com

Trinseo Reports Second Quarter 2024 Financial Results and Provides Third Quarter Outlook

Second Quarter 2024 and Other Highlights

●	Net loss of $68 million and EPS of negative $1.92

●	Adjusted EBITDA* of $67 million, including a $10 million unfavorable impact from net timing; Adjusted Net Loss* of $52 million, reflecting year-over-year and sequential profitability improvement

●	Cash used in operations of $42 million and capital expenditures of $14 million resulted in Free Cash Flow* of negative $56 million. Second quarter Free Cash Flow* included a $12 million increase in working capital

●	Second quarter ending cash of $108 million, of which $2 million is restricted, with approximately $244 million of additional available liquidity under two committed financing facilities with continued focus on cash management and liquidity

●	Entered into a new Accounts Receivable Securitization Facility that extends the maturity date to January 2028

●	Announced the opening of our PMMA depolymerization plant in Rho, Italy, a significant step forward in the Company’s commitment to sustainability

●	Trinseo and Chevron Phillips Chemical Company LP, co-owners of AmSty, have decided to pursue a joint sale process that is expected to begin in the third quarter and, in the ordinary course, lead to a definitive agreement in the first half of 2025


	Three Months Ended
	June 30,
$millions, except per share data	2024		2023
Net Sales	$	920	$	963
Net Loss		(68)		(349)
Diluted EPS ($)		(1.92)		(9.93)
Adjusted Net Loss*		(52)		(68)
Adjusted EPS ($)*		(1.46)		(1.92)
EBITDA*		64		(281)
Adjusted EBITDA*		67		57

*For a reconciliation of EBITDA, Adjusted EBITDA, and Adjusted Net Loss, all of which are non-GAAP measures, to Net Loss, as well as a reconciliation of Free Cash Flow and Adjusted EPS, see Notes 2 and 3 to the financial statements included below.

WAYNE, Pa — August 6, 2024 — Trinseo (NYSE: TSE), a specialty material solutions provider, today reported its second quarter 2024 financial results. Net sales of $920 million in the second quarter decreased 4% versus prior year. Lower sales volumes in Polystyrene, Plastics Solutions and Latex Binders were partially offset by higher sales volumes in Engineered Materials, which resulted in a 6% decrease in net sales. Higher price led to a 1% increase.

Second quarter net loss of $68 million was $281 million better than prior year primarily due to a $349 million non-cash impairment charge taken in the prior year partially offset by higher interest and tax expenses in the current year. The second quarter results included a $13.5 million non-cash after-tax charge for an increase in valuation allowance on deferred tax assets in China. Adjusted EBITDA of $67 million, which included an unfavorable impact of $10 million from net timing, was $10 million above prior year with increases across all business segments except Plastics Solutions.

Commenting on the Company’s second quarter performance, Frank Bozich, President and Chief Executive Officer of Trinseo, said, “The market conditions that we saw at the end of the first quarter continued through the second quarter as expected, resulting in our highest Adjusted EBITDA quarter since the first half of 2022 despite the headwind from unfavorable net timing. We continued to see positive momentum in Engineered Materials as moderating input costs, normalization of MMA market dynamics, and steady demand for our downstream PMMA applications led the segment to record its highest sales volumes and Adjusted EBITDA since the second quarter of 2022. We continue to be pleased by the impact of our restructuring initiatives and the resulting improvements we are seeing in our financial results.”

Second Quarter Results and Commentary by Business Segment

●

Engineered Materials net sales of $230 million for the quarter increased 12% versus prior year including a 17% impact from higher sales volume of MMA and formulated products for automotive, consumer electronics and lighting applications, partially offset by an impact of 5% from lower price due to a higher percentage of MMA sales in the current year. Adjusted EBITDA of $25 million was $13 million above prior year primarily due to higher volumes, as mentioned above, as well as higher margin.

●

Latex Binders net sales of $252 million for the quarter decreased 1% versus prior year including a 5% impact from lower volumes primarily in Europe paper and carpet applications, partially offset by a 4% impact from higher price from the pass-through of higher raw material costs. Adjusted EBITDA of $26 million was $3 million above prior year due to improved regional and product mix and higher plant utilization in the current year. Sales volumes sold to CASE applications accounted for a record 12% of total segment volumes in the second quarter and increased 8% over prior year.

●

Plastics Solutions net sales of $263 million for the quarter were 7% below prior year including a 5% decrease from lower sales volume, from a planned polycarbonate turnaround, and a 1% decrease from lower price. Adjusted EBITDA of $16 million was $8 million below prior year due to lower polycarbonate volumes and an unfavorable timing variance from decreasing styrene costs during the quarter.

●

Polystyrene net sales of $175 million for the quarter were 21% below prior year including a 28% impact from lower sales volume. This was a result of lower styrene-related sales following the closure of Terneuzen, the Netherlands styrene production facility, an intentional reduction of low-margin sales to optimize plant operations and sales mix, as well as customer destocking amid a declining price environment. This was partially offset by an 8% impact from higher price from the pass-through of higher styrene costs. Adjusted EBITDA of $7 million was $5 million above prior year due to higher margins in Europe from decreasing raw material costs.

●	Americas Styrenics Adjusted EBITDA of $16 million for the quarter was $3 million above prior year due to higher styrene margins in the current year.

2024 Outlook

●	Third quarter 2024 net loss of $42 million to $52 million

●	Third quarter 2024 Adjusted EBITDA of $65 million to $75 million

Commenting on the third quarter outlook, Bozich said, “We expect market conditions and Adjusted EBITDA in the third quarter to be similar to the second quarter. Normalized MMA market dynamics continue to support healthy margins in Engineered Materials, while seasonal improvements in building and construction and consumer electronics applications are expected to continue through the third quarter. We also expect free cash flow to turn positive in the second half of the year from continuing higher profitability and typical seasonal working capital improvements.”

Bozich continued, “We are pleased to see a sustained higher level of profitability following the asset and cost optimization actions that we implemented. While operating results have improved and we have more than adequate access to liquidity, we continue to focus on developing additional profit improvement initiatives while prioritizing liquidity preservation.”

Conference Call and Webcast Information

Trinseo will host a conference call to discuss its second quarter 2024 financial results on Wednesday, August 7, 2024 at 10 a.m. Eastern Time.

Commenting on results will be Frank Bozich, President and Chief Executive Officer, David Stasse, Executive Vice President and Chief Financial Officer, and Andy Myers, Director of Investor Relations.

For those interested in asking questions during the Q&A session, please register using the following link:

●

Conference Call Registration

For those interested in listening only, please register for the webcast using the following link:

●

Webcast Registration

After registering for the conference call, you will receive a confirmation email with a meeting invitation and information for entry. Registration is open through the live call, but it is advised that you register in advance to ensure you are connected for the full call.

Trinseo has posted its second quarter 2024 financial results on the Company’s Investor Relations website. The presentation slides will also be made available in the webcast player prior to the conference call. The Company will also furnish copies of the financial results press release and presentation slides to investors by means of a Form 8-K filing with the U.S. Securities and Exchange Commission.

A replay of the conference call and transcript will be archived on the Company’s Investor Relations website shortly following the conference call. The replay will be available until August 7, 2025.

About Trinseo

Trinseo (NYSE: TSE), a specialty material solutions provider, partners with companies to bring ideas to life in an imaginative, smart and sustainably focused manner by combining its premier expertise, forward-looking innovations and best-in-class materials to unlock value for companies and consumers.

From design to manufacturing, Trinseo taps into decades of experience in diverse material solutions to address customers’ unique challenges in a wide range of industries, including building and construction, consumer goods, medical and mobility.

Trinseo’s approximately 3,100 employees bring endless creativity to reimagining the possibilities with clients all over the world from the company’s locations in North America, Europe and Asia Pacific. Trinseo reported net sales of approximately $3.7 billion in 2023. Discover more by visiting www.trinseo.com and connecting with Trinseo on LinkedIn, Twitter, Facebook and WeChat.

Use of non-GAAP measures

In addition to using standard measures of performance and liquidity that are recognized in accordance with accounting principles generally accepted in the United States of America (“GAAP”), we use additional measures of income excluding certain GAAP items (“non-GAAP measures”), such as Adjusted Net Income, EBITDA, Adjusted EBITDA and Adjusted EPS and measures of liquidity excluding certain GAAP items, such as Free Cash Flow. We believe these measures are useful for investors and management in evaluating business trends and performance each period. These measures are also used to manage our business and assess current period profitability, as well as to provide an appropriate basis to evaluate the effectiveness of our pricing strategies. Such measures are not recognized in accordance with GAAP and should not be viewed as an alternative to GAAP measures of performance or liquidity, as applicable. The definitions of each of these measures, further discussion of usefulness, and reconciliations of non-GAAP measures to GAAP measures are provided in the Notes to Condensed Consolidated Financial Information presented herein.

Cautionary Note on Forward-Looking Statements

This press release 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 statements, which are not statements of historical facts or guarantees or assurances of future performance. Forward-looking statements may be identified by the use of words like “expect,” “anticipate,” “believe,” “intend,” “forecast,” “outlook,” “will,” “may,” “might,” “see,” “tend,” “assume,” “potential,” “likely,” “target,” “plan,” “contemplate,” “seek,” “attempt,” “should,” “could,” “would” or expressions of similar meaning. Forward-looking statements reflect management’s evaluation of information currently available and are based on our current expectations and assumptions regarding our business, the economy, our current indebtedness, and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. Factors that might cause future results to differ from those expressed by the forward-looking statements include, but are not limited to, our ability to successfully implement proposed restructuring initiatives, including the closure of certain plants and production lines, and to successfully generate cost savings through restructuring and cost reduction initiatives; our ability

to successfully execute our business and transformation strategy; the timing of, and our ability to complete, the sale of our interest in Americas Styrenics; increased costs or disruption in the supply of raw materials; deterioration of our credit profile limiting our access to commercial credit;increased energy costs; compliance with laws and regulations impacting our business; any disruptions in production at our chemical manufacturing facilities, including those resulting from accidental spills or discharges; conditions in the global economy and capital markets; our current and future levels of indebtedness and ability to service our debt; our ability to meet the covenants under our existing indebtedness; our ability to generate cash flows from operations and achieve our forecasted cash flows; and those discussed in our Annual Report on Form 10-K, under Part I, Item 1A —"Risk Factors" and elsewhere in our other reports, filings and furnishings made with the U.S. Securities and Exchange Commission from time to time. As a result of these or other factors, our actual results, performance or achievements may differ materially from those contemplated by the forward-looking statements. Therefore, we caution you against relying on any of these forward-looking statements. The forward-looking statements included in this press release are made only as of the date hereof. We undertake no obligation to publicly update or revise any forward-looking statement as a result of new information, future events or otherwise, except as otherwise required by law.

TRINSEO PLC

Condensed Consolidated Statements of Operations

(In millions, except per share data)

(Unaudited)


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2024		2023		2024		2023
Net sales	$	920.0	$	962.6	$	1,824.0	$	1,958.9
Cost of sales		851.6		909.0		1,695.0		1,868.2
Gross profit		68.4		53.6		129.0		90.7
Selling, general and administrative expenses		70.1		53.8		140.2		138.5
Equity in earnings of unconsolidated affiliate		15.6		12.5		21.8		30.2
Impairment and other charges		—		349.1		—		349.4
Operating income (loss)		13.9		(336.8)		10.6		(367.0)
Interest expense, net		64.7		40.2		127.7		78.5
Other expense (income), net		(3.3)		(2.9)		0.5		(5.8)
Loss before income taxes		(47.5)		(374.1)		(117.6)		(439.7)
Provision for (benefit from) income taxes		20.3		(25.1)		25.7		(41.8)
Net loss	$	(67.8)	$	(349.0)	$	(143.3)	$	(397.9)
Weighted average shares- basic		35.3		35.2		35.3		35.1
Net loss per share- basic	$	(1.92)	$	(9.93)	$	(4.06)	$	(11.34)
Weighted average shares- diluted		35.3		35.2		35.3		35.1
Net loss per share- diluted	$	(1.92)	$	(9.93)	$	(4.06)	$	(11.34)

TRINSEO PLC

Condensed Consolidated Balance Sheets

(In millions)

(Unaudited)


	June 30,		December 31,
	2024		2023
Assets
Cash and cash equivalents	$	105.6	$	259.1
Accounts receivable, net of allowance		541.9		490.8
Inventories		410.4		404.7
Other current assets		36.0		39.5
Investments in unconsolidated affiliate		269.0		252.2
Property, plant, equipment, goodwill, and other intangible assets, net		1,317.6		1,401.4
Right-of-use assets - operating, net		57.0		65.3
Other long-term assets		110.3		116.2
Total assets	$	2,847.8	$	3,029.2
Liabilities and shareholders’ equity
Current liabilities		662.1		672.6
Long-term debt, net of unamortized deferred financing fees		2,275.8		2,277.6
Noncurrent lease liabilities - operating		44.6		51.7
Other noncurrent obligations		279.1		295.3
Shareholders’ equity		(413.8)		(268.0)
Total liabilities and shareholders’ equity	$	2,847.8	$	3,029.2

TRINSEO PLC

Condensed Consolidated Statements of Cash Flows

(In millions)

(Unaudited)


	Six Months Ended
	June 30,
	2024		2023
Cash flows from operating activities
Cash provided by (used in) operating activities	$	(108.1)	$	101.9

Cash flows from investing activities
Capital expenditures		(29.9)		(35.6)
Proceeds from the sale of businesses and other assets		8.2		22.3
Cash used in investing activities		(21.7)		(13.3)

Cash flows from financing activities
Deferred financing fees		(0.3)		(0.4)
Short-term borrowings, net		(8.8)		(5.9)
Dividends paid		(0.9)		(17.1)
Proceeds from exercise of option awards		—		0.1
Withholding taxes paid on restricted share units		—		(1.8)
Acquisition-related contingent consideration payment		(0.7)		(1.2)
Repurchases and repayments of long-term debt		(9.1)		(5.4)
Proceeds from Accounts Receivable Securitization Facility		200.4		—
Repayments of Accounts Receivable Securitization Facility		(200.4)		—
Cash used in financing activities		(19.8)		(31.7)
Effect of exchange rates on cash		(3.6)		0.9
Net change in cash, cash equivalents, and restricted cash		(153.2)		57.8
Cash, cash equivalents, and restricted cash—beginning of period		261.1		211.7
Cash, cash equivalents, and restricted cash—end of period	$	107.9	$	269.5
Less: Restricted cash		2.3		—
Cash and cash equivalents—end of period	$	105.6	$	269.5

TRINSEO PLC

Notes to Condensed Consolidated Financial Information

(Unaudited)

Note 1: Net Sales by Segment


	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In millions)	2024		2023		2024		2023
Engineered Materials	$	230.1	$	206.2	$	419.3	$	412.4
Latex Binders		252.4		254.8		493.9		503.8
Plastics Solutions		262.7		281.6		528.4		581.9
Polystyrene		174.8		220.0		382.4		460.8
Americas Styrenics*		—		—		—		—
Total Net Sales	$	920.0	$	962.6	$	1,824.0	$	1,958.9

* The results of this segment are comprised entirely of earnings from Americas Styrenics, our 50%-owned equity method investment. As such, we do not separately report net sales of Americas Styrenics within our condensed consolidated statements of operations.

Note 2: Reconciliation of Non-GAAP Performance Measures to Net Income

EBITDA is a non-GAAP financial performance measure, which is defined as income from continuing operations before interest expense, net; income tax provision; depreciation and amortization expense. We refer to EBITDA in making operating decisions because we believe it provides our management as well as our investors with meaningful information regarding the Company’s operational performance. We believe the use of EBITDA as a metric assists our board of directors, management and investors in comparing our operating performance on a consistent basis.

We also present Adjusted EBITDA as a non-GAAP financial performance measure, which we define as income from continuing operations before interest expense, net; income tax provision; depreciation and amortization expense; loss on extinguishment of long-term debt; asset impairment charges; gains or losses on the dispositions of businesses and assets; restructuring charges; acquisition related costs and benefits, and other items. In doing so, we are providing management, investors, and credit rating agencies with an indicator of our ongoing performance and business trends, removing the impact of transactions and events that we would not consider a part of our core operations.

Lastly, we present Adjusted Net Income (Loss) and Adjusted EPS as additional performance measures. Adjusted Net Income (Loss) is calculated as Adjusted EBITDA (defined beginning with net income from continuing operations, above), less interest expense, less the provision for income taxes and depreciation and amortization, tax affected for various discrete items, as appropriate. Adjusted EPS is calculated as Adjusted Net Income (Loss) per weighted average diluted shares outstanding for a given period. We believe that Adjusted Net Income (Loss) and Adjusted EPS provide transparent and useful information to management, investors, analysts and other stakeholders in evaluating and assessing our operating results from period-to-period after removing the impact of certain transactions and activities that affect comparability and that are not considered part of our core operations.

There are limitations to using the financial performance measures noted above. These performance measures are not intended to represent net income or other measures of financial performance. As such, they should not be used as alternatives to net income as indicators of operating performance. Other companies in our industry may define these performance measures differently than we do. As a result, it may be difficult to use these or similarly-named financial measures that other companies may use, to compare the performance of those companies to our performance. We compensate for these limitations by providing reconciliations of these performance measures to our net income, which is determined in accordance with GAAP.


	Three Months Ended
	June 30,
(In millions, except per share data)	2024		2023
Net loss	$	(67.8)	$	(349.0)
Interest expense, net		64.7		40.2
Provision for (benefit from) income taxes		20.3		(25.1)
Depreciation and amortization		46.6		52.5
EBITDA	$	63.8	$	(281.4)
Net gain on disposition of businesses and assets		(3.5)		(16.3)	Selling, general, and administrative expenses; Other expense (income), net
Restructuring and other charges (a)		4.0		1.5	Selling, general, and administrative expenses
Asset impairment charges or write-offs		—		1.3	Impairment and other charges
Goodwill impairment charge (b)		—		349.0	Impairment and other charges
Other items (c)		2.5		2.7	Cost of goods sold; Selling, general, and administrative expenses
Adjusted EBITDA	$	66.8	$	56.8
Adjusted EBITDA to Adjusted Net Loss:
Adjusted EBITDA		66.8		56.8
Interest expense, net		64.7		40.2
Provision for income taxes - Adjusted (d)		5.9		34.8
Depreciation and amortization - Adjusted (e)		47.9		49.5
Adjusted Net Loss	$	(51.7)	$	(67.7)
Weighted average shares- diluted		35.3		35.2
Adjusted EPS	$	(1.46)	$	(1.92)

Adjusted EBITDA by Segment:
Engineered Materials	$	25.2	$	11.8
Latex Binders		25.6		23.5
Plastics Solutions		16.3		24.6
Polystyrene		6.6		1.7
Americas Styrenics		15.6		12.5
Corporate Unallocated		(22.5)		(17.3)
Adjusted EBITDA	$	66.8	$	56.8

(a)

Restructuring and other charges for the 2024 and 2023 periods primarily relate to contract termination costs as well as decommissioning and other charges incurred in connection with the Company’s restructuring plans.

(b)

Amounts for the 2023 period relate to the Engineered Materials reporting unit’s goodwill impairment charge resulting from the second quarter triggering event impairment testing.

(c)

Other items for the 2024 and 2023 periods primarily relate to fees incurred in conjunction with certain of the Company’s strategic initiatives, as well as costs related to our transition to a new enterprise resource planning system.

(d)

Adjusted to remove the tax impact of the items noted within the table above. The income tax expense (benefit) related to these items was determined utilizing either (1) the estimated annual effective tax rate on our ordinary income based upon our forecasted ordinary income for the full year or, (2) for items treated discretely for tax purposes we utilized the applicable rates in the taxing jurisdictions in which these adjustments occurred.

(e)

Amounts for the three months ended June 30, 2024 and 2023 excludes accelerated depreciation of $1.3 million and $3.0 million, respectively. The 2024 period charges are primarily related to the shortening of the useful life of certain assets related to the asset optimization and corporate restructuring plan. The 2023 period charges are primarily related to the shortening of the useful life of certain assets related to the asset restructuring plan as well as charges related to the shortening of the useful life of certain IT assets related to the Company’s transition to a new enterprise resource planning system.

For the same reasons discussed above, we are providing the following reconciliation of forecasted net loss to forecasted Adjusted EBITDA, Adjusted Net Loss and Adjusted EPS for the three months ended September 30, 2024. See “Note on Forward-Looking Statements” above for a discussion of the limitations of these forecasts. Totals may not sum due to rounding.


		Three Months Ended
		September 30,
(In millions, except per share data)		2024
Adjusted EBITDA	$	65 - 75
Interest expense, net		65
Provision for income taxes		5
Depreciation and amortization		47
Reconciling items to Adjusted EBITDA (f)		—
Net Loss		(52) - (42)
Reconciling items to Adjusted Net Loss (f)		—
Adjusted Net Loss	$	(52) - (42)

Weighted average shares - diluted (g)		35.3
EPS - diluted ($)	$	(1.45) - (1.17)
Adjusted EPS ($)	$	(1.45) - (1.17)

(f)

Reconciling items to Adjusted EBITDA and Adjusted Net Income (Loss) are not typically forecasted by the Company based on their nature as being primarily driven by transactions that are not part of the core operations of the business and, as a result, cannot be estimated without unreasonable cost or uncertainty. As such, for the forecasted third quarter ended September 30, 2024, we have not included estimates for these items.

(g)

Weighted average shares presented for the purpose of forecasting EPS and Adjusted EPS assume that the Company will be in a net loss position for third quarter 2024, and therefore excludes the impact of potentially dilutive shares, as the inclusion of said shares would have an anti-dilutive effect. Further, the weighted average shares presented do not forecast significant future share transactions or events, such as repurchases, significant share-based compensation award grants, and changes in the Company’s share price. These are all factors which could have a significant impact on the calculation of EPS and Adjusted EPS during actual future periods.

Note 3: Reconciliation of Non-GAAP Liquidity Measures to Cash from Operations

The Company uses certain measures, such as Free Cash Flow as non-GAAP measures, to evaluate and discuss its liquidity position and results. Free Cash Flow is defined as cash from operating activities, less capital expenditures. We believe that Free Cash Flow provides an indicator of the Company’s ongoing ability to generate cash through core operations, as it excludes the cash impacts of various financing transactions as well as cash flows from business combinations that are not considered organic in nature. We also believe that Free Cash Flow provides management and investors with useful analytical indicators of our ability to service our indebtedness, pay dividends (when declared), and meet our ongoing cash obligations.

Free Cash Flow is not intended to represent cash flows from operations as defined by GAAP, and therefore, should not be used as alternatives for that measure. Other companies in our industry may define Free Cash Flow differently than we do. As a result, it may be difficult to use this or similarly-named financial measures that other companies may use, to compare the liquidity and cash generation of those companies to our own. The Company compensates for these limitations by providing the following detail, which is determined in accordance with GAAP.

Free Cash Flow


	Three Months Ended				Six Months Ended
	June 30,				June 30,
(In millions)	2024		2023		2024		2023
Cash provided by (used in) operating activities	$	(41.9)	$	56.5	$	(108.1)	$	101.9
Capital expenditures		(14.2)		(13.8)		(29.9)		(35.6)
Free Cash Flow	$	(56.1)	$	42.7	$	(138.0)	$	66.3

Exhibit 99.2

1 Trademark of Trinseo PLC or its affiliates Second Quarter 2024 Financial Results & Third Quarter Outlook August 6, 2024

2 Introductions & Disclosure Rules Introductions • Frank Bozich, President & CEO • David Stasse, Executive Vice President & CFO • Andy Myers, Vice President of 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 statements, which are not statements of historical facts or guarantees or assurances of future performance. Forward-looking statements may be identified by the use of words like “expect,” “anticipate,” “believe,” “intend,” “forecast,” “outlook,” “will,” “may,” “might,” “see,” “tend,” “assume,” “potential,” “likely,” “target,” “plan,” “contemplate,” “seek,” “attempt,” “should,” “could,” “would” or expressions of similar meaning. Forward-looking statements reflect management’s evaluation of information currently available and are based on our current expectations and assumptions regarding our business, the economy, our current indebtedness, and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. Factors that might cause future results to differ from those expressed by the forward-looking statements include, but are not limited to, our ability to successfully implement proposed restructuring initiatives, including the closure of certain plants and product lines, and to successfully generate cost savings through restructuring and cost reduction initiatives; our ability to successfully execute our business and transformation strategy; the timing of, and our ability to complete, the sale of our interest in Americas Styrenics; increased costs or disruption in the supply of raw materials; deterioration of our credit profile limiting our access to commercial credit; increased energy costs; compliance with laws and regulations impacting our business; any disruptions in production at our chemical manufacturing facilities, including those resulting from accidental spills or discharges; conditions in the global economy and capital markets; our current and future levels of indebtedness and ability to service our debt; our ability to meet the covenants under our existing indebtedness; our ability to generate cash flows from operations and achieve our forecasted cash flows; and those discussed in our Annual Report on Form 10-K, under Part I, Item 1A —"Risk Factors" and elsewhere in our other reports, filings and furnishings made with the U.S. Securities and Exchange Commission from time to time. As a result of these or other factors, our actual results, performance or achievements may differ materially from those contemplated by the forward-looking statements. Therefore, we caution you against relying on any of these forward-looking statements. The forward-looking statements included in this press release are made only as of the date hereof. We undertake no obligation to publicly update or revise any forward-looking statement as a result of new information, future events or otherwise, except as otherwise required by law. This presentation contains financial measures that are not in accordance with generally accepted accounting principles in the US (“GAAP”) including EBITDA, Adjusted EBITDA, Adjusted Net Income, Adjusted EPS and Free Cash Flow. We believe these measures provide relevant and meaningful information to investors and lenders about the ongoing operating results and liquidity position of the Company. Such measures when referenced herein should not be viewed as an alternative to GAAP measures of performance or liquidity, as applicable. We have provided a reconciliation of these measures to the most comparable GAAP metric alongside of the respective measure or otherwise in the Appendix section and in the accompanying press release.

3 Summary Q2 2024 Results • Net loss of $68 million and EPS of negative $1.92; included a $13 million non-cash, after-tax charge for an increase in valuation allowance on deferred tax assets in China • Adjusted EBITDA* of $67 million included a $10 million unfavorable impact from net timing • Highest Adjusted EBITDA result since Q2 2022 • Second consecutive quarter of sequential EBITDA improvement * See Appendix for a reconciliation of non-GAAP measures Cash Generation & Liquidity • Q2 cash used in operations of $42 million led to Free Cash Flow* of negative $56 million • Q2 ending cash of $108 million, of which $2 million is restricted, with $244 million of additional available liquidity under two committed financing facilities • Entered into a new Accounts Receivable Securitization Facility that extends the maturity date to January 2028 Q3 2024 Outlook • Net loss of $42 million to $52 million • Adjusted EBITDA* of $65 million to $75 million • Similar market conditions and Adjusted EBITDA as Q2 Key Initiatives • Announced the opening of our PMMA depolymerization plant in Rho, Italy • Agreed with Chevron Phillips Chemical Company LP to pursue a joint sale process for Americas Styrenics that is expected to begin in the third quarter and, in the ordinary course, lead to a definitive agreement in the first half of 2025 • Released our 14th annual Sustainability and Corporate Social Responsibility Report

4 2024 Sustainability Report Highlights • Announced the launch of PC dissolution and PMMA depolymerization technologies • Achieved critical milestones in our decarbonization strategy • Generated 29% of electricity from non-fossil fuel sources • Decreased greenhouse gas emissions intensity by 11%1 • Increased renewable energy sources by 5%1 • Implemented a Scope 3 greenhouse gas emissions supplier program • Decreased freshwater intake by 12%1 • Achieved an injury rate of 0.30 in 2023, putting Trinseo in the top quartile of the chemical industry for safety • Certified one site for ISCC+ mass balance, bringing total to 11 sites as of April 2024 • Achieved a "B" in CDP score for Climate Change for the third straight year 1Compared to prior year

5 Sustainability Highlight: PMMA Depolymerization Advancing Circular Infrastructure for Acrylic Solutions Pre- and Post-consumer PMMA waste Advanced continuous chemical recycling technology Fully-recycled PMMA resins and sheets New products made from fully-recycled PMMA (e.g. Automotive, Building & Construction) Trinseo’s advanced chemical recycling technology returns PMMA waste back to its constituent monomer MMA at comparable purity levels to virgin material Able to recycle a wider variety of PMMA-based materials, including end-of-life cast sheets High-purity recycled MMA enables use in high-end applications and higher recycled content in commodity applications Approximately three-fourths reduction in carbon footprint compared to virgin MMA production with yields exceeding industry standards No compromise on product design or performance Key Advantages High-purity recycled MMA comparable to virgin material

6 Q2 2024 Sales and Volume Summary Net sales in $millions Volume variances exclude styrene-related sales Europe • Lower year-over-year and sequential volumes in Polystyrene due to customer destocking amid a declining price environment, and in Latex Binders paper and carpet applications due to weak demand • Higher volumes in Engineered Materials driven by MMA and PMMA Resins U.S. • Higher volumes across all segments, particularly in Latex Binders paper and board applications due to significant prior year destocking Asia • Lower year-over-year volumes driven by Polystyrene due to optimizing plant operations and sales mix by shedding low-margin sales • Higher volumes in Engineered Materials driven by strength in consumer electronics applications Net Sales Global $920 Sales Volume YoY: (5%) Sales Volume YoY: (9%) Sales Volume YoY: (5%) Sales Volume YoY: +11% Europe $445 U.S. $264 Asia-Pacific $180 Rest of World $31

7 Trinseo Q2 2024 Financial Results $920 ($68) $963 ($349) Net Sales Net Income Net Sales & Net Income ($MM) Q2'24 Q2'23 ($1.92) ($1.46) ($9.93) ($1.92) Diluted EPS Adj EPS* EPS ($) Q2'24 Q2'23 $67 $57 Q2'24 Q2'23 Adjusted EBITDA* ($MM) Vol Price FX Total (6%) 1% (0%) (4%) Net Sales • Highest Adjusted EBITDA since the second quarter of 2022 despite a $10 million unfavorable impact from net timing due to falling styrene costs • Continued to see positive momentum in Engineered Materials as moderating input costs, normalization of MMA market dynamics, and steady demand for downstream applications led to highest segment volumes and Adjusted EBITDA in two years • Highest Adjusted EBITDA since the second quarter of 2022 despite a $10 million unfavorable impact from net timing due to falling styrene costs • Continued to see positive momentum in Engineered Materials as moderating input costs, normalization of MMA market dynamics, and steady demand for downstream applications led to highest segment volumes and Adjusted EBITDA in two years * See Appendix for a reconciliation of non-GAAP measures

8 Engineered Materials • Higher year-over-year volumes driven by MMA and formulated products for automotive, consumer electronics and lighting applications • Adjusted EBITDA was $13 million above prior year due to higher volumes and higher margins as input costs moderated and MMA market dynamics normalized • Higher year-over-year volumes driven by MMA and formulated products for automotive, consumer electronics and lighting applications • Adjusted EBITDA was $13 million above prior year due to higher volumes and higher margins as input costs moderated and MMA market dynamics normalized $230 $206 Q2'24 Q2'23 Net Sales ($MM) Vol Price FX Total 17% (5%) (0%) 12% $25 $12 Q2'24 Q2'23 Adjusted EBITDA ($MM) 60 50 Q2'24 Q2'23 Volume (kt)

9 • Lower year-over-year volumes in paper and carpet applications, primarily in Europe due to weak overall demand • Adjusted EBITDA was $3 million above prior year due to better regional and product mix and better plant utilization • CASE applications increased 8% year-over-year and accounted for a record 12% of total segment volumes • Lower year-over-year volumes in paper and carpet applications, primarily in Europe due to weak overall demand • Adjusted EBITDA was $3 million above prior year due to better regional and product mix and better plant utilization • CASE applications increased 8% year-over-year and accounted for a record 12% of total segment volumes Latex Binders $252 $255 Q2'24 Q2'23 Net Sales ($MM) $26 $23 Q2'24 Q2'23 Adjusted EBITDA ($MM) 111 117 Q2'24 Q2'23 Volume* (kt) Vol Price FX Total (5%) 4% (0%) (1%) *Volumes exclude styrene-related sales

10 Plastics Solutions • Volumes below prior year due to a planned polycarbonate production turnaround in the current year partially offset by higher volume to automotive applications • Adjusted EBITDA was $8 million below prior year due to lower polycarbonate sales volumes and an unfavorable net timing variance from decreasing styrene costs during the quarter • Volumes below prior year due to a planned polycarbonate production turnaround in the current year partially offset by higher volume to automotive applications • Adjusted EBITDA was $8 million below prior year due to lower polycarbonate sales volumes and an unfavorable net timing variance from decreasing styrene costs during the quarter $263 $282 Q2'24 Q2'23 Net Sales ($MM) $16 $24 Q2'24 Q2'23 Adjusted EBITDA ($MM) 102 105 Q2'24 Q2'23 Volume* (kt) Vol Price FX Total (5%) (1%) (0%) (7%) *Volumes exclude styrene-related sales

11 Polystyrene • Lower year-over-year volumes due to an intentional reduction of low-margin sales to optimize plant operations and sales mix and customer destocking amid a declining price environment • Adjusted EBITDA was $5 million above prior year due to higher margins in Europe from decreasing raw material costs • 114% year-to-date increase in sales volume of recycled-content-containing polystyrene with a significant margin premium • Lower year-over-year volumes due to an intentional reduction of low-margin sales to optimize plant operations and sales mix and customer destocking amid a declining price environment • Adjusted EBITDA was $5 million above prior year due to higher margins in Europe from decreasing raw material costs • 114% year-to-date increase in sales volume of recycled-content-containing polystyrene with a significant margin premium $175 $220 Q2'24 Q2'23 Net Sales ($MM) $7 $2 Q2'24 Q2'23 Adjusted EBITDA ($MM) 101 122 Q2'24 Q2'23 Volume* (kt) Vol Price FX Total (28%) 8% (0%) (21%) *Volumes exclude styrene-related sales

12 $115 $1,769 $447 2024 2025 Senior Notes 2026 2027 2028 Term Loans 2029 Senior Notes $108 $150 $94 Debt and Liquidity Overview (as of June 30, 2024) Debt Maturity Schedule ($millions) May April Cash and Borrowing Facilities ($millions)* Revolving Credit Facility AR Securitization Cash** $352MM Combined Cash and Availability under Committed Facilities *2026 Revolving Credit Facility available funds of $93.5 million (net of $19.0 million outstanding letters of credit), as well as the Accounts Receivable Securitization Facility with borrowing capacity of $150 million. **Included restricted cash of $2.3 million September

13 2024 Profitability Outlook *For the definition of Adjusted EBITDA, refer to the accompanying press release furnished as Exhibit 99.1 to our Form 8-K dated August 6, 2024 Q3 2024 Net loss of $42 million to $52 million and Adjusted EBITDA* of $65 million to $75 million • Decreasing styrene margins negatively impacting Americas Styrenics • Otherwise, underlying market conditions largely similar to Q2 Full-Year 2024 • Full-year outlook assumes a similar, constrained demand environment to 2023 • Normal year-end seasonality is expected to result in Q4 profitability that is sequentially lower than Q3

14 FY 2024 Cash Flow Components Item Assumption Capital Expenditures $70 million Cash Interest $200 million Cash Taxes $20 million Restructuring Cost $45 million Turnarounds $10 million Working Capital ~Neutral Net Cash Expenditures $345 million • Lower cash interest assumption compared to prior outlook reflects PIK election on a portion of interest associated with the 2028 Refinance Term Loan • Expect positive Free Cash Flow* in the second half of the year *For the definition of Adjusted EBITDA, refer to the accompanying press release furnished as Exhibit 99.1 to our Form 8-K dated August 6, 2024

15 Appendix

16 (in $millions, unless noted) Q1'22 Q2'22 Q3'22 Q4'22 Q1'23 Q2'23 Q3'23 Q4'23 Q1'24 Q2'24 2022 2023 Engineered Materials 60 60 50 41 46 50 47 51 50 60 212 194 Latex Binders 132 138 132 117 112 117 112 106 119 111 520 447 Plastics Solutions 134 120 100 102 109 105 100 96 108 102 457 409 Polystyrene 165 141 124 134 129 122 118 107 124 101 564 475 Trade Volume* (kt) 493 460 407 394 396 393 377 359 402 374 1,753 1,525 Engineered Materials 295 301 243 205 206 206 186 190 189 230 1,044 789 Latex Binders 309 360 343 255 249 255 224 215 241 252 1,267 943 Plastics Solutions 418 380 305 278 300 282 259 240 266 263 1,382 1,081 Polystyrene 364 384 287 237 241 220 210 192 208 175 1,272 863 Net Sales 1,387 1,426 1,178 975 996 963 879 837 904 920 4,966 3,675 Engineered Materials 35 34 8 (5) (12) 12 5 (0) 4 25 72 5 Latex Binders 31 32 14 16 24 23 18 18 26 26 93 83 Plastics Solutions 71 49 (32) (12) 24 24 17 16 23 16 76 81 Polystyrene 45 32 (25) 4 9 2 (1) 0 13 7 56 10 Americas Styrenics 22 39 23 18 18 13 19 13 6 16 102 62 Corporate (27) (21) (24) (16) (26) (17) (17) (27) (26) (23) (88) (87) Adjusted EBITDA** 178 164 (37) 6 36 57 41 20 45 67 312 154 Adj EBITDA Variance Analysis Net Timing** Impacts - Fav/(Unfav) Engineered Materials (0) 0 (1) (3) (7) (9) (6) 5 (7) 2 (3) (17) Latex Binders 6 1 1 (3) 1 (1) (1) 0 2 (1) 5 (1) Plastics Solutions 15 14 (8) (4) (1) (2) 0 1 9 (7) 17 (1) Polystyrene 10 17 (16) (9) 5 (4) 3 (5) 9 (4) 2 (1) Net Timing*** Impacts - Fav/(Unfav) 32 33 (24) (19) (2) (16) (4) 1 13 (10) 21 (20) *Trade volume excludes styrene-related sales **See this Appendix for a reconciliation of non-GAAP measures ***Net Timing is the difference between Raw Material Timing and Price Lag. Raw Material Timing represents the timing of raw material cost changes flowing through cost of goods sold versus current pricing. Price Lag represents the difference in revenue between the current contractual price and the current period price. Segment Information

17 (in $millions, unless noted) Q1'22 Q2'22 Q3'22 Q4'22 Q1'23 Q2'23 Q3'23 Q4'23 Q1'24 Q2'24 2022 2023 Engineered Materials 60 60 50 41 46 50 47 51 50 60 212 194 Latex Binders 132 138 132 117 112 117 112 106 119 111 520 447 Plastics Solutions 134 120 100 102 109 105 100 96 108 102 457 409 Polystyrene 165 141 124 134 129 122 118 107 124 101 564 475 Trade Volume* (kt) 493 460 407 394 396 393 377 359 402 374 1,753 1,525 Engineered Materials 295 301 243 205 206 206 186 190 189 230 1,044 789 Latex Binders 307 354 341 255 248 254 222 215 241 252 1,256 939 Plastics Solutions 396 362 293 271 290 272 246 231 266 263 1,323 1,038 Polystyrene 318 312 248 216 209 193 175 166 208 175 1,093 743 Feedstocks 70 97 53 28 43 37 50 35 - - 249 166 Net Sales 1,387 1,426 1,178 975 996 963 879 837 904 920 4,966 3,675 Engineered Materials 35 34 8 (5) (12) 12 5 (0) 4 25 72 5 Latex Binders 30 29 31 20 26 25 23 19 26 26 111 93 Plastics Solutions 69 46 (15) (9) 26 25 22 16 23 16 91 89 Polystyrene 45 23 19 12 16 6 9 2 13 7 99 33 Feedstocks 4 14 (78) (16) (11) (7) (19) (4) - - (75) (41) Americas Styrenics 22 39 23 18 18 13 19 13 6 16 102 62 Corporate (27) (21) (24) (16) (26) (17) (17) (27) (26) (23) (88) (87) Adjusted EBITDA** 178 164 (37) 6 36 57 41 20 45 67 312 154 Adj EBITDA Variance Analysis Net Timing** Impacts - Fav/(Unfav) Engineered Materials (0) 0 (1) (3) (7) (9) (6) 5 (7) 2 (3) (17) Latex Binders 3 (3) 7 (1) (0) (0) (2) 1 2 (1) 6 (1) Plastics Solutions 11 10 (1) (2) (2) (1) (1) 2 9 (7) 17 (2) Polystyrene 5 7 (6) (4) 1 (2) 2 (3) 9 (4) 1 (1) Feedstocks 13 19 (23) (8) 6 (4) 4 (4) - - 1 1 Net Timing*** Impacts - Fav/(Unfav) 32 33 (24) (19) (2) (16) (4) 1 13 (10) 21 (20) *Trade volume excludes styrene-related sales **See this Appendix for a reconciliation of non-GAAP measures ***Net Timing is the difference between Raw Material Timing and Price Lag. Raw Material Timing represents the timing of raw material cost changes flowing through cost of goods sold versus current pricing. Price Lag represents the difference in revenue between the current contractual price and the current period price. Segment Information – Excluding Feedstocks Recast

18 (in $millions, unless noted) Q1'22 Q2'22 Q3'22 Q4'22 Q1'23 Q2'23 Q3'23 Q4'23 Q1'24 Q2'24 2022 2023 Net Income (Loss) 16.7 37.4 (119.8) (365.3) (48.9) (349.0) (38.4) (265.0) (75.5) (67.8) (430.9) (701.3) Net Income (Loss) from discontinued operations (0.4) 0.3 (1.9) (1.0) - - - - - - (2.9) 0.0 Net Income (Loss) from continuing operations 17.1 37.1 (117.9) (364.3) (48.9) (349.0) (38.4) (265.0) (75.5) (67.8) (428.0) (701.3) Interest expense, net 21.9 25.4 30.4 35.3 38.3 40.2 46.6 63.3 63.0 64.7 112.9 188.4 Provision for (benefit from) income taxes 22.6 30.8 (12.1) (83.0) (16.7) (25.1) (17.7) 127.9 5.4 20.3 (41.6) 68.4 Depreciation and amortization 53.0 48.1 45.9 89.8 56.0 52.5 38.2 74.4 45.0 46.6 236.9 221.2 EBITDA 114.6 141.4 (53.7) (322.2) 28.7 (281.4) 28.7 0.6 37.9 63.8 (119.8) (223.3) Other items 23.4 22.1 14.8 11.0 3.6 2.6 7.2 8.0 1.3 2.5 71.2 21.4 Restructuring and other charges 0.4 (1.5) - 17.0 3.7 1.5 13.8 12.5 9.4 4.0 15.9 31.5 Net gain on disposition of businesses and assets (0.3) (1.5) - - - (16.3) (9.3) 0.0 (3.6) (3.5) (1.8) (25.6) Acquisition transaction and integration net costs 3.2 2.7 0.4 0.4 - 0.1 - (1.5) - - 6.6 (1.4) Acquisition purchase price hedge loss (gain) - - - - - - - - - - - - European Commission request for information 35.6 - - 0.6 - - - - - - 36.2 - Goodwill impairment charges - - - 297.1 - 349.0 - - - - 297.1 349.0 Asset impairment charges or write-offs 0.7 1.3 1.9 2.4 0.3 1.3 0.5 0.6 - - 6.3 2.7 Adjusted EBITDA 177.6 164.5 (36.6) 6.3 36.3 56.8 40.9 20.2 45.0 66.8 311.7 154.3 Adjusted EBITDA to Adjusted Net Income Adjusted EBITDA 177.6 164.5 (36.6) 6.3 36.3 56.8 40.9 20.2 45.0 66.8 311.7 154.3 Interest expense, net 21.9 25.4 30.4 35.3 38.3 40.2 46.6 63.3 63.0 64.7 112.9 188.4 Provision for (benefit from) income taxes - Adjusted 25.6 25.7 (9.6) (18.8) (20.0) 34.8 (18.6) 12.1 4.2 5.9 22.8 8.3 Depreciation and amortization - Adjusted 50.9 47.2 45.1 49.9 53.3 49.5 49.2 50.0 46.3 47.9 193.1 202.0 Adjusted Net Income (Loss) 79.3 66.2 (102.5) (60.1) (35.3) (67.7) (36.3) (105.2) (68.5) (51.7) (17.1) (244.4) Wtd Avg Shares - Diluted (000) 38,139 36,996 35,176 34,974 35,032 35,153 35,191 35,200 35,250 35,307 35,941 35,274 Adjusted EPS - Diluted ($) 2.08 1.79 (2.91) (1.72) (1.01) (1.92) (1.03) (2.99) (1.94) (1.46) (0.48) (6.93) Adjustments by Statement of Operations Caption Cost of sales - - - - - 1.2 0.4 5.5 - - 0.0 7.1 SG&A 27.0 22.9 16.0 28.4 7.3 (12.1) 15.4 13.5 7.1 6.5 94.3 24.1 Impairment and other charges 36.3 1.3 1.9 300.1 0.3 349.1 - 0.6 - - 339.6 350.0 Acquisition purchase price hedge (gain) loss - - - - - - - - - - 0.0 0.0 Other expense (income), net (0.3) (1.1) (0.8) - - - (3.6) - - (3.5) (2.2) (3.6) Total EBITDA Adjustments 63.0 23.1 17.1 328.5 7.6 338.2 12.2 19.6 7.1 3.0 431.7 377.6 Free Cash Flow Reconciliation Cash provided by (used in) operating activities (5.0) (83.0) 97.6 33.9 45.4 56.5 29.3 17.5 (66.2) (41.9) 43.5 148.7 Capital expenditures (24.8) (31.5) (38.5) (54.2) (21.8) (13.8) (13.5) (20.6) (15.7) (14.2) (149.0) (69.7) Free Cash Flow (29.8) (114.5) 59.1 (20.3) 23.6 42.7 15.8 (3.1) (81.9) (56.1) (105.5) 79.0 US GAAP to Non-GAAP Reconciliation NOTE: For definitions of non-GAAP measures as well as descriptions of current period reconciling items from Net Income to Adjusted EBITDA and to Adjusted Net Income, refer to the accompanying press release furnished as Exhibit 99.1 to our Form 8-K dated August 7, 2024. Totals may not sum due to rounding.

19 Third Quarter (In $millions, unless noted) September 30, 2024 Adjusted EBITDA 65 - 75 Interest expense, net 65 Provision for income taxes 5 Depreciation and amortization 47 Reconciling items to Adjusted EBITDA(1) 0 Net Income (loss) (52) - (42) Reconciling items to Adjusted Net Income (Loss) (1) 0 Adjusted Net Income (Loss) (52) - (42) Weighted avg shares - diluted (MM) 35.3 EPS - diluted ($) (1.45) - (1.17) Adjusted EPS ($) (1.45) - (1.17) US GAAP to Non-GAAP Reconciliation Profitability Outlook (1) Reconciling items to Adjusted EBITDA and Adjusted Net Income (Loss) are not typically forecasted by the Company based on their nature as being primarily driven by transactions that are not part of the core operations of the business and, as a result, cannot be estimated without unreasonable cost or uncertainty. For potential reconciling items to Adjusted EBITDA and Adjusted Net Income (Loss) during 2024 are not reflected. NOTE: For definitions of non-GAAP measures as well as descriptions of current period reconciling items from Net Income (Loss) to Adjusted EBITDA and to Adjusted Net Income (Loss), refer to the accompanying press release furnished as Exhibit 99.1 to our Form 8-K dated August 6, 2024. Totals may not sum due to rounding.

Document and Entity Information	Aug. 06, 2024
Cover [Abstract]
Document Type	8-K
Document Period End Date	Aug. 06, 2024
Entity File Number	001-36473
Entity Registrant Name	Trinseo PLC
Entity Incorporation, State or Country Code	L2
Entity Tax Identification Number	00-0000000
Entity Address, Address Line One	440 East Swedesford Road
Entity Address, Adress Line Two	Suite 301
Entity Address, City or Town	Wayne
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19087
City Area Code	610
Local Phone Number	240-3200
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Title of 12(b) Security	Ordinary Shares, par value $0.01 per share
Trading Symbol	TSE
Security Exchange Name	NYSE
Entity Emerging Growth Company	false
Entity Central Index Key	0001519061
Amendment Flag	false

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