Q1 2023 Results Forward-Looking Statement Investor Day 2023 • Save The Date Management Presentation* Thursday, September 14, 2023 10 A.M. Eastern (9 A.M. Central Time) InterContinental Chicago 3 4 5 g Re-energize Zero Harm engagement at the frontline and accelerate progress towards Zero Training resulted in 14% increase in leading activities; helped to reduce Serious Safety Incidents by 60% vs. prior year 30% (Unaudited) Q1: Adjusted EBITDA by Segment Q1 2023 Adjusted EBITDA $ and % vs. Prior Year $ in Mill ...

Koppers Holdings Inc. (NYSE:KOP) Q1 2023 Earnings Conference Call May 5, 2023 11:00 AM ET Company Participants Quynh McGuire – Vice President-Investor Relations Leroy Ball – President and CEO Jimmi Sue Smith – Chief Financial Officer Conference Call Participants Liam Burke – B. Riley Gary Prestopino – Barrington Research Operator Good morning, ladies and gentlemen. Thank you for standing by. Welcome to Koppers’ First Quarter 2023 Earnings Conference Call and Webcast. [Operator Instructions] I will now turn ...

[Part I - Financial Information](index=2&type=section&id=PART%20I%E2%80%94FINANCIAL%20INFORMATION) Comprehensive financial data including statements, management's analysis, market risk disclosures, and internal controls [Financial Statements](index=2&type=section&id=ITEM%201.%20FINANCIAL%20STATEMENTS) Presents unaudited condensed consolidated financial statements for Q1 2023, showing significant growth in net sales and income, supported by detailed accounting notes [Condensed Consolidated Financial Statements](index=2&type=section&id=Condensed%20Consolidated%20Financial%20Statements) Highlights Q1 2023 financial performance with increased net sales and income, alongside changes in assets and cash flow from operations Condensed Consolidated Statement of Operations | (Dollars in millions, except per share) | Three Months Ended March 31, 2023 | Three Months Ended March 31, 2022 | | :--- | :--- | :--- | | **Net sales** | $513.4 | $459.3 | | **Operating profit** | $50.3 | $38.2 | | **Net income attributable to Koppers** | $25.5 | $18.8 | | **Diluted earnings per common share** | $1.19 | $0.87 | Condensed Consolidated Balance Sheet Highlights | (Dollars in millions) | March 31, 2023 | December 31, 2022 | | :--- | :--- | :--- | | **Total current assets** | $710.6 | $636.8 | | **Total assets** | $1,800.6 | $1,711.4 | | **Long-term debt** | $881.0 | $817.7 | | **Total liabilities** | $1,365.7 | $1,308.4 | | **Total equity** | $434.9 | $403.0 | Condensed Consolidated Statement of Cash Flows | (Dollars in millions) | Three Months Ended March 31, 2023 | Three Months Ended March 31, 2022 | | :--- | :--- | :--- | | **Net cash used in operating activities** | ($15.3) | ($8.0) | | **Net cash used in investing activities** | ($28.5) | ($22.0) | | **Net cash provided by financing activities** | $56.8 | $33.4 | | **Net increase in cash and cash equivalents** | $13.1 | $3.7 | [Notes to Condensed Consolidated Financial Statements](index=5&type=section&id=Notes%20to%20Condensed%20Consolidated%20Financial%20Statements) Details accounting policies, segment performance, debt refinancing, derivative activities, and contingent liabilities, including environmental remediation and litigation - Subsequent to the quarter end, on April 10, 2023, the company entered into a new **$400 million Term Loan B**, using the proceeds to redeem all outstanding **2025 Senior Notes**[61](index=61&type=chunk)[62](index=62&type=chunk) - The company utilizes derivative instruments to manage commodity price risk (copper), foreign currency risk, and interest rate risk, with the net fair value of outstanding copper swap contracts being a **$10.1 million asset** as of March 31, 2023[69](index=69&type=chunk)[74](index=74&type=chunk) - The company is involved in **27 pending lawsuits** with **51 plaintiffs** regarding alleged illnesses from exposure to coal tar pitch, with no reserve provided as the outcome is not reasonably determinable[79](index=79&type=chunk)[81](index=81&type=chunk) - As of March 31, 2023, the company has accrued **$10.8 million** for environmental remediation liabilities, with **$4.0 million** related to the Portland Harbor and Newark Bay CERCLA sites[94](index=94&type=chunk)[97](index=97&type=chunk) [Management's Discussion and Analysis of Financial Condition and Results of Operations (MD&A)](index=21&type=section&id=ITEM%202.%20MANAGEMENT%27S%20DISCUSSION%20AND%20ANALYSIS%20OF%20FINANCIAL%20CONDITION%20AND%20RESULTS%20OF%20OPERATIONS) Analyzes Q1 2023 financial performance, focusing on sales drivers, segment profitability, market trends, liquidity, capital resources, and debt covenant compliance - The company is a global provider of treated wood products, wood preservation chemicals, and carbon compounds, serving railroad, utility, construction, and chemical industries[100](index=100&type=chunk)[101](index=101&type=chunk)[102](index=102&type=chunk) - Key market trends affecting the business include raw material pricing (coal tar, copper, lumber), oil price volatility, and global economic conditions impacting demand in end-markets like steel and aluminum[107](index=107&type=chunk) - The company expects **2023 capital expenditures** to be approximately **$110 to $120 million**, funded by cash from operations[144](index=144&type=chunk) [Results of Operations](index=25&type=section&id=Results%20of%20Operations) Details Q1 2023 consolidated net sales and adjusted EBITDA growth, driven by price increases across segments, with varying profitability trends Net Sales by Segment (Q1 2023 vs Q1 2022) | Segment | 2023 Sales ($M) | 2022 Sales ($M) | % Change | | :--- | :--- | :--- | :--- | | Railroad and Utility Products and Services | $213.1 | $183.4 | 16% | | Performance Chemicals | $146.9 | $136.4 | 8% | | Carbon Materials and Chemicals | $153.4 | $139.5 | 10% | | **Total** | **$513.4** | **$459.3** | **12%** | Adjusted EBITDA by Segment (Q1 2023 vs Q1 2022) | Segment | 2023 Adj. EBITDA ($M) | 2022 Adj. EBITDA ($M) | % Change | | :--- | :--- | :--- | :--- | | Railroad and Utility Products and Services | $15.8 | $11.6 | 36% | | Performance Chemicals | $26.3 | $20.9 | 26% | | Carbon Materials and Chemicals | $19.4 | $20.1 | -3% | | **Total** | **$61.5** | **$52.6** | **17%** | - RUPS profitability increased due to price increases that offset **$19.2 million** in higher raw material and operating costs[132](index=132&type=chunk) - PC profitability grew as price increases from renegotiated contracts more than offset **$10.9 million** in raw material cost increases and an **8.6% global volume decrease**[133](index=133&type=chunk) - CMC profitability decreased due to a **$39.8 million increase** in raw material costs, particularly in North America and Europe, which was not fully offset by higher pricing[134](index=134&type=chunk) [Liquidity and Capital Resources](index=27&type=section&id=Liquidity%20and%20Capital%20Resources) Examines cash flow from operations, available liquidity, debt covenant compliance, and the impact of post-quarter debt refinancing activities - Net cash used in operating activities increased to **$15.3 million** from **$8.0 million** in the prior year, mainly due to a **$11.6 million increase** in working capital usage[138](index=138&type=chunk) - As of March 31, 2023, the company had approximately **$400 million** of unused revolving credit availability and was in compliance with all debt covenants[143](index=143&type=chunk)[146](index=146&type=chunk) - Post-quarter end, the company redeemed its **2025 Notes** using proceeds from a new **$400M Term Loan B**, cash on hand, and additional borrowings under its revolving Credit Facility[143](index=143&type=chunk) [Quantitative and Qualitative Disclosures About Market Risk](index=28&type=section&id=ITEM%203.%20QUANTITATIVE%20AND%20QUALITATIVE%20DISCLOSURES%20ABOUT%20MARKET%20RISK) Assesses market risk, primarily interest rate exposure, detailing the impact of variable-rate debt and mitigation strategies like interest rate swaps - Following the redemption of the fixed-rate **2025 Notes** in April 2023, all of the company's debt consists of variable rate debt[151](index=151&type=chunk) - A one percentage point increase in interest rates would decrease annual earnings and cash flows by approximately **$8.0 million**, holding other variables constant[151](index=151&type=chunk) - The company entered into a **$100 million interest rate swap** to convert a portion of its variable-rate debt to a fixed rate of **7.478%**, expiring in April 2027[151](index=151&type=chunk) [Controls and Procedures](index=28&type=section&id=ITEM%204.%20CONTROLS%20AND%20PROCEDURES) Confirms the effectiveness of disclosure controls and procedures, with no material changes to internal control over financial reporting - The CEO and CFO concluded that the company's disclosure controls and procedures were effective as of the end of the period covered by the report[152](index=152&type=chunk) [Part II - Other Information](index=29&type=section&id=PART%20II%E2%80%94OTHER%20INFORMATION) Presents additional disclosures including legal proceedings, updated risk factors, and details on share repurchase activities [Legal Proceedings and Risk Factors](index=29&type=section&id=ITEM%201.%20LEGAL%20PROCEEDINGS%20and%20ITEM%201A.%20RISK%20FACTORS) Incorporates legal proceedings by reference and introduces a new risk factor related to potential financial institution failures - Legal proceedings disclosures from Note 16 are incorporated by reference[153](index=153&type=chunk) - A new risk factor was added regarding the failure of financial institutions, which could adversely affect the company's liquidity and financial condition due to uninsured deposits and counterparty risk on credit agreements and derivatives[155](index=155&type=chunk)[156](index=156&type=chunk) [Share Repurchases](index=29&type=section&id=ITEM%202.%20UNREGISTERED%20SALES%20OF%20EQUITY%20SECURITIES%20AND%20USE%20OF%20PROCEEDS) Details Q1 2023 share repurchase activity, including the number of shares bought back and remaining authorization Share Repurchase Activity (Q1 2023) | Period | Total Shares Purchased | Average Price Paid per Share | Approx. Value Remaining ($M) | | :--- | :--- | :--- | :--- | | March 1 - March 31 | 112,705 | $32.39 | $68.3 | | **Total Q1 2023** | **112,705** | **$32.39** | **$68.3** |

Koppers Holdings Inc. (NYSE:KOP) Q4 2022 Earnings Conference Call February 27, 2023 11:00 AM ET Company Participants Quynh McGuire - VP-IR Leroy Ball - President and CEO Jimmi Sue Smith - CFO Conference Call Participants Liam Burke - B. Riley FBR Laurence Alexander - Jefferies Operator Good morning, ladies and gentlemen. Thank you for standing by. Welcome to Koppers Fourth Quarter and Full Year 2022 Earnings Conference Call and Webcast. [Operator Instruction] Please note that this event is being recorded. I ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 For the fiscal year ended December 31, 2022 Commission file number 1-32737 KOPPERS HOLDINGS INC. (Exact name of registrant as specified in its charter) Pennsylvania 20-1878963 (State of incorporation) FORM 10-K (IRS Employer Identification No.) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 436 Seventh Avenue Pittsburgh, Pennsylvania 15219 (412) 227-2001 (Address of principal executive offices) (Reg ...

Koppers Holdings Inc. (NYSE:KOP) Q3 2022 Earnings Conference Call November 4, 2022 11:00 AM ET Company Participants Quynh McGuire – Vice President-Investor Relations Leroy Ball – President and Chief Executive Officer Jimmi Sue Smith – Chief Financial Officer Conference Call Participants Liam Burke – B. Riley FBR Dan Rizzo – Jefferies Chris Shaw – Moness, Crespi Brian DiRubbio – Baird Operator Good morning, ladies and gentlemen. Thank you for standing by. Welcome to the Koppers’ Third Quarter 2022 Earnings C ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 Commission file number 1-32737 KOPPERS HOLDINGS INC. (Exact name of registrant as specified in its charter) Pennsylvania 20-1878963 (State of incorporation) (IRS Employer Identification No.) 436 Seventh Avenue Pittsburgh, Pennsylvania 15219 (Address of principal executive offices) (412) 227- ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 Commission file number 1-32737 KOPPERS HOLDINGS INC. (Exact name of registrant as specified in its charter) Pennsylvania 20-1878963 (State of incorporation) (IRS Employer Identification No.) 436 Seventh Avenue Pittsburgh, Pennsylvania 15219 (Address of principal executive offices) (412) 227-2001 ...

EXPAND & OPTIMIZE Investor Presentation B. Riley Securities Institutional Investor Conference May 26, 2022 Forward Looking Statement Certain statements in this presentation are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995 and may include, but are not limited to, statements about sales levels, acquisitions, restructuring, profitability and anticipated synergies, expenses and cash outflows. All forward-looking statements involve risks and uncertaintie ...

Koppers Holdings Inc (NYSE:KOP) Q1 2022 Earnings Conference Call May 6, 2022 11:00 AM ET Company Participants Quynh McGuire - VP of IR Leroy Ball - President and CEO Jimmi Sue Smith - CFO James Sullivan - EVP, COO Conference Call Participants Chris Shaw - Moness, Crespi & Hardt Liam Burke - B. Riley Securities Chris Howe - Barrington Research Laurence Alexander - Jefferies Operator Good morning, ladies and gentlemen, thank you for standing by. Welcome to Koppers Q1 2022 Earnings Conference Call and Webcast. ...