KOP Latest Press Releases

-- October 23, 2026 --

Koppers Holdings Inc. Schedules Third Quarter 2026 Conference Call PRNewswire 7:56 AM

-- August 31, 2026 --

Koppers Holdings Inc. to Host Investor Day on September 17, 2026 PRNewswire 7:55 AM

-- August 10, 2026 --

Koppers Management Meeting with Financial Community in Montreal and Toronto PRNewswire 7:56 AM

-- August 6, 2026 --

KOPPERS REPORTS SECOND QUARTER 2026 RESULTS PRNewswire 7:55 AM

-- August 5, 2026 --

Koppers Holdings Inc. Declares Quarterly Cash Dividend PRNewswire 10:10 AM

-- July 23, 2026 --

Koppers Holdings Inc. Schedules Second Quarter 2026 Conference Call PRNewswire 7:55 AM

-- June 25, 2026 --

Koppers Publishes 2025 Corporate Sustainability Report Highlighting Record Safety and Emissions Performance and Refreshed 2030 Strategy PRNewswire 8:30 AM

-- June 16, 2026 --

Sidoti Events, LLC's June Small-Cap Virtual Conference ACCESS Newswire 10:00 AM

-- June 15, 2026 --

Koppers Announces Participation in Upcoming June Investor Conferences PRNewswire 7:59 AM

-- June 8, 2026 --

Koppers Management Participating in Wells Fargo Industrials & Materials Conference PRNewswire 7:55 AM

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