X0202 4 2004-09-20 0 0000098410 TIPPERARY CORP TPY 0001126386 SLOUGH ESTATES USA INC 33 WEST MONROE ST STE 2000 CHICAGO IL 60603 0 0 1 0 Common Shares 2004-09-20 4 S 0 1500000 4.00 D 22322273 D Slough Estates plc, a United Kingdom public limited liability company, wholly owns Slough Trading Estate Limited, a United Kingdom limited liability company, which wholly owns Slough Estates USA Inc. Slough Estates plc and Slough Trading Estate Limited may be deemed to beneficially own the shares of common stock. /s/ Randall W. Rohner, Slough Estates USA Inc., By: Randall W. Rohner, its Senior Vice President 2004-09-22