X0303 4 2010-03-01 0 0001125376 ENSIGN GROUP, INC ENSG 0001417555 Christensen Christopher R. 27101 PUERTA REAL, SUITE 450 MISSION VIEJO CA 92691 1 1 0 0 President and CEO Common Stock 2010-03-01 4 S 0 31800 17.7541 D 1808200 I By Hobble Creek Investments, LLC Common Stock 2010-03-02 4 S 0 18200 17.6225 D 1790000 I By Hobble Creek Investments, LLC The sale reported in the Form 4 was effected pursuant to a Rule 10b5(1) trading plan adopted by the reporting person on February 26, 2009. This transaction was executed in multiple trades at prices ranging from $17.50 to $18.08. 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. Christopher R. Christensen is the sole member of this entity. This transaction was executed in multiple trades at prices ranging from $17.50 to $17.81. 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. Daniel H. Walker, as attorney in fact 2010-03-03