Exhibit 1 4,000,000 Shares DIGITAL INSIGHT CORPORATION Common Stock, par value $0.001 UNDERWRITING AGREEMENT Morgan Stanley & Co. Incorporated Banc of America Securities LLC JP Morgan Securities Inc. c/o Morgan Stanley & Co. Incorporated 1585 Broadway...Underwriting Agreement • April 12th, 2002 • Digital Insight Corp • Services-business services, nec • New York
