X0306 4 2015-12-04 0 0001094348 Mattersight Corp MATR 0001309440 Danson Christopher Joseph 200 W. MADISON, SUITE 3100 CHICAGO IL 60606 0 1 0 0 EVP & Chief Technology Officer Common Stock 2015-12-04 4 S 0 6214 6.942 D 100957 D Common Stock 2015-12-07 4 S 0 4562 6.75 D 96395 D The sales price on the transaction date was reported using the average weighted sales price. The price for all sales on the transaction date ranged from $6.90 to $6.995. The reporting person undertakes to provide to Mattersight Corporation, any security holder of Mattersight Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. The sales price on the transaction date was reported using the average weighted sales price. The price for all sales on the transaction date were $6.755 and $6.75. The reporting person undertakes to provide to Mattersight Corporation, any security holder of Mattersight Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price. Christine R. Carsen, Attorney-in-fact 2015-12-08