Exhibit 1.1 ALLIED WORLD ASSURANCE COMPANY HOLDINGS, LTD [ ]% SENIOR NOTES DUE [ ], 20[ ] UNDERWRITING AGREEMENTUnderwriting Agreement • July 19th, 2006 • Allied World Assurance Co Holdings LTD • Fire, marine & casualty insurance • New York
Contract Type FiledJuly 19th, 2006 Company Industry Jurisdiction
as Issuer, andAllied World Assurance Co Holdings LTD • July 19th, 2006 • Fire, marine & casualty insurance • New York
Company FiledJuly 19th, 2006 Industry Jurisdiction
Senior NotesSupplemental Indenture • July 19th, 2006 • Allied World Assurance Co Holdings LTD • Fire, marine & casualty insurance • New York
Contract Type FiledJuly 19th, 2006 Company Industry Jurisdiction