X0306 4 2016-06-06 0 0001062292 XO GROUP INC. XOXO 0001425997 Di Iorio Nic C/O XO GROUP INC. 195 BROADWAY, 25TH FLOOR NEW YORK NY 10007 0 1 0 0 Chief Technology Officer Common Stock 2016-06-06 4 S 0 5000 17.1297 D 163231 D The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.09 to $17.19, inclusive. The reporting person undertakes to provide to XO Group Inc., any security holder of XO Group Inc., 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. Matithyohu Balas, attorney-in-fact 2016-06-08