X0306 4 2015-04-28 0 0000817720 SYNAPTICS INC SYNA 0001225977 KNITTEL RUSSELL J 1251 MCKAY DRIVE SAN JOSE CA 95131 1 0 0 0 Common Stock 2015-04-28 4 M 0 15000 29.38 A 15983 D Common Stock 2015-04-28 4 M 0 4500 46.50 A 20483 D Common Stock 2015-04-28 4 S 0 19500 86.5943 D 983 D Common Stock 11923 I By Trust Employee Stock Option (Right to Buy) 29.38 2015-04-28 4 M 0 15000 0.00 D 2018-05-19 Common Stock 15000 259400 D Employee Stock Option (Right to Buy) 46.50 2015-04-28 4 M 0 4500 0.00 D 2020-10-28 Common Stock 4500 0 D The shares were sold pursuant to a 10b5-1 Sales Plan dated February 5, 2015. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.49 to $86.90, inclusive. The reporting person undertakes to provide to Synaptics Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Includes 952 shares previously reported as being held directly. The shares are held by Russell J. Knittel and Veronica Knittel as Co-Trustees of The Knittel Revocable Living Trust. 1/24th of the total number of shares subject to the option vested and became exercisable on the last day of each month until fully vested on April 30, 2013. 1/12th of the total number of shares subject to the option vested and became exercisable on the 28th day of each month until fully vested on October 28, 2014. Kermit Nolan, as attorney-in-fact 2015-04-29