X0303 4 2010-05-10 0 0001125376 ENSIGN GROUP, INC ensg 0001417559 Stapley Gregory K. 27101 PUERTA REAL, SUITE 450 MISSION VIEJO CA 92691 0 1 0 0 Executive Vice President Common Stock 2010-05-10 4 S 0 10310 18.048 D 987740 I By the Stapley Family Trust dated April 25, 2006 Common Stock 2010-05-11 4 S 0 12227 17.9248 D 975513 I By the Stapley Family Trust dated April 25, 2006 Common Stock 2010-05-12 4 S 0 15605 18.4486 D 959908 I By the Stapley Family Trust dated April 25, 2006 The sales reported in this Form 4 were effected pursuant to a Rule 10b5(1) trading plan adopted by the reporting person on February 26, 2010. The reporting person cancelled this Rule 10b5(1) plan effective May 12, 2010. This transaction was executed in multiple trades at prices ranging from $17.95 to $18.28. The price above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. These shares are directly owned by the Stapley Family Trust dated April 25, 2006 and indirectly by Gregory K. Stapley as Trustee of the trust. Gregory K. Stapley is an officer of the issuer. This transaction was executed in multiple trades at prices ranging from $17.67 to $18.25. The price above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. This transaction was executed in multiple trades at prices ranging from $18.09 to $18.53. The price above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. /s/ Suzanne Snapper, as power of attorney 2010-05-12