X0306 4 2015-02-17 0000024741 CORNING INC /NY GLW 0001206158 WEEKS WENDELL P ONE RIVERFRONT PLAZA CORNING NY 14831 1 1 Chairman, CEO & President Common Stock 2015-02-17 4 M 0 127989 0 A 127989 D Common Stock 2015-02-17 4 F 0 62997 24.60 D 64992 D Common Stock 2015-02-18 4 S 0 64992 24.4873 D 0 D Common Stock 704169 I By Trust Restricted Stock Unit 2015-02-17 4 M 0 127989 D Common Stock 127989 0 D Each restricted stock unit represented a contingent right to receive one share of Corning Incorporated Common Stock. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.4650 to $24.5200, inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in this footnote. Earned Restricted Stock Units awarded January 3, 2012 remained restricted until February 17, 2015, when they vested and converted into GLW common stock per terms of January 2012 Agreement approved by Compensation Committee. Linda E. Jolly, Power of Attorney 2015-02-19