Allied World Assurance Co Holdings, GmbH Watch

from 8-K 23 pages Senior Debt Securities Guarantee Agreement Between Allied World Assurance Company Holdings, AG, as Guarantor, and the Bank of New York Mellon, as Guarantee Trustee Dated as of October 29, 2015

from 8-K 21 pages First Supplemental Indenture

from 8-K 92 pages Senior Indenture Allied World Assurance Company Holdings, Ltd, Issuer and Allied World Assurance Company Holdings, AG, Guarantor to the Bank of New York Mellon, Trustee Indenture Dated as of October 29, 2015 Senior Debt Securities Reconciliation and Tie Between Trust Indenture Act of 1939 (The “Trust Indenture Act”) and Indenture

from S-3ASR 79 pages Senior Indenture Allied World Assurance Company Holdings, Ltd, Issuer to the Bank of New York Mellon, Trustee Indenture Dated as of [ ] Senior Debt Securities Reconciliation and Tie Between Trust Indenture Act of 1939 (The “Trust Indenture Act”) and Indenture

from 10-K 2 pages AWH Registered Shares Registered Shares Incorporated Under the Laws of Switzerland Cusip H01531 10 4 See Reverse for Certain Definitions Allied World Assurance Company Holdings, AG This Is to Certify That Is the Registered Holder of Fully Paid and Non-Assessable Registered Shares, Par Value US $15.00 Per Share, of Allied World Assurance Company Holdings, AG Transferable on the Records of the Company by the Holder Hereof in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate and the Shares Represented Hereby Are Issued and Shall Be Held Subject to All the Provisions of the Articles of Association and Organizational Regulations of the Company, Copies of Which Are on File With the Transfer Agent, to All of Which the Holder by Acceptance Hereof Assents. This Certificate Is Not Valid Unless Countersigned and Registered by the Transfer Agent and Registrar. Witness the Signatures of the Company’s Duly Authorized Officers. Dated Countersigned and Registered: Continental Stock Transfer & Trust Company, (New York, N.Y.) Transfer Agent and Registrar by Authorized Signature Corporate Secretary Chief Executive Officer and Chairman of the Board

from S-8 POS 6 pages Allied World Assurance Company Holdings, AG Third Amended and Restated Long-Term Incentive Plan

from S-8 POS 12 pages Allied World Assurance Company Holdings, AG Third Amended and Restated 2004 Stock Incentive Plan

from S-8 POS 12 pages Allied World Assurance Company Holdings, AG Amended and Restated 2008 Employee Share Purchase Plan

from S-8 POS 9 pages Allied World Assurance Company Holdings, AG Third Amended and Restated 2001 Employee Stock Option Plan

from 8-K 19 pages First Supplemental Indenture

from 8-K 86 pages Senior Indenture Allied World Assurance Company Holdings, Ltd, Issuer to the Bank of New York Mellon, Trustee Indenture Dated as of November 15, 2010 Senior Debt Securities Reconciliation and Tie Between Trust Indenture Act of 1939 (The “Trust Indenture Act”) and Indenture

from S-3ASR 94 pages Form of Subordinated Indenture Allied World Assurance Company Holdings, Ltd, Issuer to the Bank of New York, Trustee Indenture Dated as of , Subordinated Debt Securities Reconciliation and Tie Between Trust Indenture Act of 1939 (The “Trust Indenture Act”) and Indenture

from S-3ASR 89 pages Form of Senior Indenture Allied World Assurance Company Holdings, Ltd, Issuer to the Bank of New York, Trustee Indenture Dated as of , Senior Debt Securities Reconciliation and Tie Between Trust Indenture Act of 1939 (The “Trust Indenture Act”) and Indenture

from S-1/A ~20 pages Ex-4.2: Form of First Supplemental Indenture

from S-1/A ~50 pages Ex-4.1: Form of Indenture

from S-1/A 3 pages AWH Incorporated Under the Laws of Bermuda Common Shares Cusip G0219g 20 3 See Reverse for Certain Definitions Allied World Assurance Company Holdings, Ltd Allied World Assurance Company Holdings, Ltd

from S-1 ~20 pages Ex-4.9: Bridge Street Special Opportunities Fund 2000, L.P. Warrant

from S-1 ~20 pages Ex-4.8: Stone Street Fund 2000 L.P. Warrant

from S-1 ~20 pages Ex-4.7: Gs Capital Partners 2000 Gmbh & Co. Beteiligungs Kg Warrant

from S-1 ~20 pages Ex-4.6: Gs Capital Partners 2000 Employee Fund, L.P. Warrant