All notices and other communications hereunder shall be in writing and shall be deemed given if delivered personally, by facsimile or email or sent by a nationally recognized overnight courier service, such as Federal Express, in each case, addressed as follows: (a) if to Parent or Merger Sub, in accordance with the provisions of the Merger Agreement with a copy sent to the Company, also in accordance with the provisions of the Merger Agreement and (b) if to Stockholder, to Stockholder’s address, facsimile number or email address set forth on a signature page hereto, or to such other address, facsimile number or email address as Stockholder may hereafter specify in writing to Parent and Merger Sub by like notice made pursuant to this Section 4.1 , with a copy sent to the Company, in accordance with the provisions of the Merger Agreement.