Head has once again extended its conditional offer to buy back its own shares until 5 PM on Feb. 28, keeping the same price. It set the new date on Feb. 11 in reporting that only 16,440,287 shares had been tendered, 14.4 percent short of the minimum of 19,214,042 shares needed to trigger the buy-back. That was only 0.5 percentage points higher than the level of acceptance reached for the offer 16 days earlier, on Jan. 21.