X0306 4 2016-01-14 1 0000020171 CHUBB CORP CB 0001189019 WELDON WILLIAM C THE CHUBB CORPORATION 15 MOUNTAIN VIEW ROAD WARREN NJ 07061-1615 1 Common Shares 2016-01-14 4 D 0 1042.1060 0 D 0.0000 D MARKET VALUE UNITS 0.0000 2016-01-14 4 D 0 3559.3672 D Common Shares 3559.3672 0.0000 D STOCK UNITS DEFERRED 0.0000 2016-01-14 4 D 0 4393.0000 D Common Shares 4393.0000 0.0000 D Common stock disposed of pursuant to the Agreement and Plan of Merger, dated as of June 30, 2015, by and among ACE Limited ("ACE"), William Investment Holdings Corporation and The Chubb Corporation ("Merger Agreement"), in exchange for $62.93 per share in cash and 0.6019 shares of ACE stock per share. Pursuant to the Merger Agreement, market value units are assumed by ACE and converted into market value units relating to the number of ACE common shares determined in accordance with the adjustment mechanism set forth in the Merger Agreement. Market Value Units represent fees deferred under The Chubb Corporation Directors Deferred Compensation Plan. Units are payable in common stock only and the value of such units are based on the market value of the Corporation's common stock. Pursuant to the Merger Agreement, stock units deferred are assumed by ACE and converted into stock units deferred relating to the number of ACE common shares determined in accordance with the adjustment mechanism set forth in the Merger Agreement. Stock units deferred represent vested shares of stock for which receipt was voluntarily or mandatorily deferred, as applicable. One stock unit is the equivalent of one share of common stock. Nancy J. Engers, POA 2016-01-19