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 ...

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 March 31, 2023 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 ...

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- ...

Koppers Holdings Inc. (NYSE:KOP) Q2 2022 Earnings Conference Call August 4, 2022 11:00 AM ET Company Participants Quynh McGuire - Vice President-Investor Relations Leroy Ball - President & Chief Executive Officer Jimmi Sue Smith - Chief Financial Officer Conference Call Participants Chris Howe - Barrington Research Chris Shaw - Monness, Crespi, Hardt Operator Good morning, ladies and gentlemen. Thank you for standing by. Welcome to Koppers' Q2 2022 Earnings Conference Call and Webcast. At this time, all par ...

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 ...