X0202 4 2006-03-10 0 0001069778 NETWORK INSTALLATION CORP NWKI 0001304010 Dutchess Advisors, LLC 50 COMMONWEALTH AVENUE BOSTON MA 02116 0 0 0 1 See Footnote (2) Common Stock 2006-03-10 4 J 0 1000000 0 D 340207 D Common Stock 2006-03-24 4 S 0 8939 0.48 D 331268 D Dutchess Advisors retired shares pursuant to a warrant exchange agreement as filed on the Form 8-K March 20, 2006. Two of our former directors, Michael Novielli, who is also former Chairman, and Douglas Leighton, are the Managing Members of Dutchess Advisors, LLC. Our former director, Theodore Smith, is the Executive Vice President of Dutchess Advisors, LLC. /s/Douglas H Leighton 2006-03-27