X0303 4 2010-06-03 0 0001434620 Interval Leisure Group, Inc. IILG 0001440958 LEE MARIE A 6262 SUNSET DRIVE MIAMI FL 33143 0 1 0 0 SVP &Chief Information Officer Common stock 2010-06-03 4 S 0 7100 14.20 D 2570 D This transaction was executed in mutiple trades at price rnging from $14.15 to $14.29. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon rquest to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ Michele L. Keusch, attorney-in-fact 2010-06-04