X0202 4 2007-07-05 0 0001028215 KMG CHEMICALS INC KMGB 0001207169 LEONARD FRED C 10600 FALLSTONE RD HOUSTON TX 77099 1 0 0 0 Common Stock 2007-07-05 4 S 0 11000 26.03 D 797040 I by corp Common Stock 2007-07-09 4 S 0 89000 25.83 D 708040 I by corp Common Stock 2007-07-10 4 S 0 13500 25.57 D 694540 I by corp Includes 791,585 shares held by Valves Incorporated of Texas, a corporation in which Mr. Leonard is President, a member of the board of directors and majority shareholder (previously reported) Includes 702,585 shares held by Valves Incorporated of Texas Includes 689,085 shares held by Valves Incorporated of Texas Fred C Leonard III under a power of attorney granted to Roger C Jackson 2007-07-10