X0305 4 2012-03-27 0 0000722723 HANGER ORTHOPEDIC GROUP INC HGR 0001498511 Morton Andrew C. 10910 DOMAIN DRIVE SUITE 300 AUSTIN TX 78758 0 1 0 0 V.P.-Human Resources Common Stock 2012-03-27 4 S 0 459 21.9639 D 20306 D The shares of common stock were sold to cover taxes incurred as a result of the vesting of restricted shares. These shares were sold at a range of sale prices from $21.86 to $22.00. The reporting person will 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. Includes (i) unvested restricted shares which total 5,000 shares of stock from an initial grant of 5,000 shares of restricted stock made on March 7, 2012; (ii) unvested restricted shares which total 4,441 shares of stock from an initial grant of 4,900 shares of restricted stock made on March 25, 2011; and (iii) unvested restricted shares and fully vested shares which total 10,865 shares of stock from an initial grant of 12,000 shares of restricted stock made on June 21, 2010. All remaining unvested restricted shares will continue to vest at a rate of 25% per year of the original grant amount on the anniversary date of the grant. /s/ Jessica Lochmann Allen, Attorney-in-Fact for Andrew C. Morton 2012-03-29