1 EXHIBIT 10.21 BANK JOINDER AGREEMENT THIS BANK JOINDER AGREEMENT (this "Agreement") dated as of December 28, 2000 to the Credit Agreement referenced below is by and among UBS AG, STAMFORD BRANCH (the "New Bank"), HEALTHCARE REALTY TRUST...Bank Joinder Agreement • March 23rd, 2001 • Healthcare Realty Trust Inc • Real estate investment trusts • North Carolina
