X0202 4 2007-06-29 0 0001077866 LOOKSMART LTD LOOK 0001211451 CASTAGNA ANTHONY 625 2ND STREET SAN FRANCISCO CA 94107-1316 1 0 0 0 Non-Qualified Stock Option (right to buy) 3.9 2007-06-29 4 A 0 9038 0 A 2007-06-29 2017-06-29 Common Stock 9038 9038 D Non-Qualified Stock Option (right to buy) 2.71 2006-09-06 2016-09-06 Common Stock 9000 9000 D Non-Qualified Stock Option (right to buy) 2.91 2006-09-29 2016-09-29 Common Stock 12113 12113 D Non-Qualified Stock Option (right to buy) 3.1 2005-08-05 2015-08-05 Common Stock 9000 9000 D Non-Qualified Stock Option (right to buy) 3.24 2006-06-30 2016-06-30 Common Stock 10880 10880 D Non-Qualified Stock Option (right to buy) 3.7 2005-06-30 2015-06-30 Common Stock 5473 5473 D Non-Qualified Stock Option (right to buy) 3.76 2005-12-30 2015-12-30 Common Stock 9375 9375 D Non-Qualified Stock Option (right to buy) 3.83 2007-03-30 2017-03-30 Common Stock 9204 9204 D Non-Qualified Stock Option (right to buy) 4.15 2005-09-30 2015-09-30 Common Stock 7327 7327 D Non-Qualified Stock Option (right to buy) 4.45 2005-03-31 2015-03-31 Common Stock 4550 4550 D Non-Qualified Stock Option (right to buy) 4.46 2006-12-29 2016-12-29 Common Stock 7904 7904 D Non-Qualified Stock Option (right to buy) 5.38 2006-03-31 2016-03-31 Common Stock 6552 6552 D Non-Qualified Stock Option (right to buy) 5.8 2001-07-28 2011-06-28 Common Stock 11000 11000 D Non-Qualified Stock Option (right to buy) 7.3 2002-06-05 2012-07-24 Common Stock 4000 4000 D Non-Qualified Stock Option (right to buy) 7.35 2004-09-30 2014-09-30 Common Stock 2755 2755 D Non-Qualified Stock Option (right to buy) 7.75 2003-12-31 2013-12-31 Common Stock 2419 2419 D Non-Qualified Stock Option (right to buy) 9.85 2004-03-31 2014-03-31 Common Stock 2055 2055 D Non-Qualified Stock Option (right to buy) 10.65 2004-06-08 2014-06-08 Common Stock 6000 6000 D Non-Qualified Stock Option (right to buy) 10.85 2004-06-30 2014-06-30 Common Stock 1728 1728 D Non-Qualified Stock Option (right to buy) 10.95 2004-12-31 2014-12-31 Common Stock 1712 1712 D Non-Qualified Stock Option (right to buy) 12.01 2002-12-05 2012-12-05 Common Stock 8000 8000 D Non-Qualified Stock Option (right to buy) 12.5 2000-06-25 2005-12-31 Common Stock 4000 4000 D Non-Qualified Stock Option (right to buy) 13 2003-06-30 2013-06-30 Common Stock 1730 1730 D Non-Qualified Stock Option (right to buy) 13.8 2003-03-31 2013-03-31 Common Stock 2010 2010 D Non-Qualified Stock Option (right to buy) 14.95 2003-01-07 2013-01-07 Common Stock 3762 3762 D Non-Qualified Stock Option (right to buy) 15.7 2003-09-30 2013-09-30 Common Stock 1194 1194 D Non-Qualified Stock Option (right to buy) 19.65 2003-07-23 2013-07-23 Common Stock 6000 6000 D The total number of shares subject to the option fully vests on this date. The total number of shares subject to the option vest at the rate of 1/36th per month beginning on this date. The total number of derivative securities beneficially owned in Table II column 9 has been reported incorrectly in past Forms 4 due to failure to adjust for the stock split. By: Stacey Giamalis, Attorney-in-Fact For: Anthony Castagna 2007-07-03