EXHIBIT A JOINT FILING UNDERTAKING The undersigned, being duly authorized thereunto, hereby execute this agreement as an exhibit to the Schedule 13D to evidence the agreement of the below-named parties, in accordance with rules promulgated pursuant to...Hambrecht & Quist Group • October 15th, 1999 • Security brokers, dealers & flotation companies
The undersigned, being duly authorized thereunto, hereby execute this agreement as an exhibit to the Schedule 13D to evidence the agreement of the below-named parties, in accordance with rules promulgated pursuant to the Securities Exchange Act of 1934, to file this Schedule 13D jointly on behalf of each of such parties.
