Purchase of Own Sec.-Amendmnt

Sirdar PLC 8 December 1999 AMENDMENT SIRDAR PLC ANNOUNCES THAT ON 7 DECEMBER 1999 IT PURCHASED FOR CANCELLATION 72,000 ORDINARY SHARES (REPRESENTING APPROXIMATELY 0.15% OF THE ISSUED SHARE CAPITAL) AT A PRICE OF 69P PER ORDINARY SHARE (NOT 70,000 ORDINARY SHARES AS REPORTED EARLIER TODAY).