Exhibit 99(a)(6) THOMAS H. LEE EQUITY FUND IV, L.P. c/o Thomas H. Lee Company 75 State Street, Suite 2600 Boston, Massachusetts 02109 Telephone 617-227-1050 Fax 617-227-3514 October 24, 1999 Big Flower Holdings, Inc. 3 East 54th Street New York, New...Holdco Mezzanine Financing Commitment • October 25th, 1999 • Big Flower Holdings Inc/ • Commercial printing
