EDGAR Filing Documents for 0001193125-13-076222

Form 425 - Prospectuses and communications, business combinations:

SEC Accession No. 0001193125-13-076222

Filing Date

2013-02-26

Accepted

2013-02-26 13:47:39

Documents

Document Format Files

Seq	Description	Document	Type	Size
1	RULE 425 FILING	d491715d425.htm	425	15687
	Complete submission text file	0001193125-13-076222.txt		17492

Mailing Address 4521 HIGHWOODS PKWY GLEN ALLEN VA 23060

Business Address 4521 HIGHWOODS PARKWAY GLEN ALLEN VA 23060-3382 8047470136

MARKEL CORP (Filed by) CIK: 0001096343 (see all company filings)

IRS No.: 541959284 | State of Incorp.: VA | Fiscal Year End: 1231
Type: 425
SIC: 6331 Fire, Marine & Casualty Insurance

Mailing Address ALTERRA HOUSE 2 FRONT STREET HAMILTON D0 HM 11

Business Address ALTERRA HOUSE 2 FRONT STREET HAMILTON HM11 D0 HM 11 4412958800

ALTERRA CAPITAL HOLDINGS Ltd (Subject) CIK: 0001141719 (see all company filings)

IRS No.: 980584464 | Fiscal Year End: 1231
Type: 425 | Act: 34 | File No.: 000-33047 | Film No.: 13641969
SIC: 6331 Fire, Marine & Casualty Insurance