Unless otherwise specifically provided herein, any notice delivered under this Agreement shall be in writing addressed to the respective party as set forth below and may be personally served, telecopied or sent by overnight courier service or certified or registered United States mail and shall be deemed to have been given (a) if delivered in person, when delivered; (b) if delivered by telecopy, on the date of transmission if transmitted on a business day before 4:00 p.m. (Chicago time) or, if not, on the next succeeding business day; (c) if delivered by overnight courier, one business day after delivery to such courier properly addressed; or (d) if by United States mail, four business days after deposit in the United States mail, postage prepaid and properly addressed.