Head NV has extended one more time its conditional share buyback offer until March 31, stating that this will be a final opportunity for shareholders to tender their shares. The Dutch holding company of the Head group needs acceptances for more than 2.7 million shares for the buyback to go off. As of last March 4, the company was 14.1 percent short of its goal of at least 19,214,042 shares it wanted tendered in its original offer of last Dec. 13.