Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001193125-06-060058
Filing Date
2006-03-21
Accepted
2006-03-21 17:25:18
Documents
6
Period of Report
2005-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K d10k.htm 10-K 1441030
2 SECTION 302 CERTIFICATION OF THE CEO dex311.htm EX-31.1 9162
3 SECTION 302 CERTIFICATION OF THE CFO dex312.htm EX-31.2 9185
4 SECTION 906 CERTIFICATION OF THE CEO & CFO dex321.htm EX-32.1 5196
5 GRAPHIC g46193g23r84.jpg GRAPHIC 65678
6 GRAPHIC g46193g75c29.jpg GRAPHIC 64539
  Complete submission text file 0001193125-06-060058.txt   1645764
Mailing Address 436 SEVENTH AVENUE PITTSBURGH PA 15219
Business Address 436 SEVENTH AVENUE PITTSBURGH PA 15219 412-227-2001
Koppers Holdings Inc. (Filer) CIK: 0001315257 (see all company filings)

EIN.: 201878963 | State of Incorp.: PA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-32737 | Film No.: 06702000
SIC: 2400 Lumber & Wood Products (No Furniture)