EXHIBIT A
JOINT FILING AGREEMENT
HarbourVest Partners, LLC, Xxxxxx X. Xxxx and X. Xxxxxx Zug agree that
the Schedule 13G, to which this Agreement is attached, relating to the Common
Stock of The Ultimate Software Group, Inc., is filed on behalf of each of them.
Dated: September 23, 2003 HARBOURVEST PARTNERS, LLC
By: /s/ Xxxxxx X. Xxxxxxxx
-----------------------------------
Name: Xxxxxx X. Xxxxxxxx
Title: Managing Director
Dated: September 23, 0000 XXXXXX X. XXXX
By: /s/ Xxxxxx X. Xxxx
----------------------------------
Name: Xxxxxx X. Xxxx
Dated: September 23, 2003 X. XXXXXX ZUG
By: /s/ X. Xxxxxx Zug
----------------------------------
Name: X. Xxxxxx Zug
PAGE 8 OF 8 PAGES