EDGAR Filing Documents for 0001193125-12-277931

Form 424B2 - Prospectus [Rule 424(b)(2)]:

SEC Accession No. 0001193125-12-277931

Filing Date

2012-06-21

Accepted

2012-06-21 09:22:02

Documents

Document Format Files

Seq	Description	Document	Type	Size
1	PRELIMINARY PROSPECTUS SUPPLEMENT	d369383d424b2.htm	424B2	448846
	Complete submission text file	0001193125-12-277931.txt		449936

Mailing Address 7 TIMES SQUARE TOWER 17TH FLOOR NEW YORK NY 10036

Business Address 7 TIMES SQUARE TOWER 17TH FLOOR NEW YORK NY 10036 212-752-1356

ALLEGHANY CORP /DE (Filer) CIK: 0000775368 (see all company filings)