Certain Common Stock of Northwest Natural Holding Company are subject to a Lock-Up Agreement Ending on 9-JAN-2017. These Common Stock will be under lockup for 60 days starting from 10-NOV-2016 to 9-JAN-2017. Details: The executive officers and directors have agreed not to sell, transfer, pledge, offer or contract to sell, transfer or pledge, or file with the SEC a registration statement under the Securities Act, relating to any additional shares of common stock or securities convertible into or exchangeable or exercisable for any shares of common stock without the prior written consent of Wells Fargo Securities LLC for a period of 60 days after the date of the underwriting agreement.