Exhibit 10.1 FOURTH AMENDMENT TO CREDIT AGREEMENT THIS FOURTH AMENDMENT TO CREDIT AGREEMENT ("Fourth Amendment") is made and entered into as of December 10, 1999, by and among HIGHWOODS PROPERTIES, INC., a Maryland corporation ("Highwoods...Credit Agreement • December 22nd, 1999 • Highwoods Realty LTD Partnership • Lessors of real property, nec • North Carolina
