Exhibit 10.10 MARQUETTE CAPITAL BANK, N. A. - LETTER AGREEMENT November 4, 1999 To: August Technology Corporation (the "Borrower") 5237 Edina Industrial Blvd. Edina, Minnesota 55439 Gentlemen: This letter agreement confirms the additional agreements...Letter Agreement • May 1st, 2000 • August Technology Corp • Optical instruments & lenses • Minnesota
