EXHIBIT 99.4 STAMPS.COM INC. STOCK OPTION ASSUMPTION AGREEMENT ISHIP.COM, INC. CORPORATION AMENDED AND RESTATED 1997 STOCK PLAN Optionee: STOCK OPTION ASSUMPTION AGREEMENT effective as of the 7th day of March 200 by Stamps.com Inc., a Delaware...Stock Option Assumption Agreement • March 30th, 2000 • Stamps Com Inc • Retail-catalog & mail-order houses
