EXHIBIT A AGREEMENT REGARDING JOINT FILING The undersigned hereby agree and consent to the joint filing on their behalf of this Schedule 13G in connection with their beneficial ownership of the common stock of Nortek Inc. Dated: March 4, 1999 CANYON...Joint Filing Agreement • March 4th, 1999 • Canyon Capital Advisors LLC /Adv • Air-cond & warm air heatg equip & comm & indl refrig equip
