Exhibit II to Schedule 13G Joint Filing AgreementJoint Filing Agreement • February 14th, 2018 • Ameriprise Financial Inc • Investment advice
Contract Type FiledFebruary 14th, 2018 Company IndustryThe undersigned persons agree and consent to the joint filing on their behalf of this Schedule 13G dated February 12, 2018 in connection with their beneficial ownership of OOMA Inc. Each of Columbia Seligman Communications & Information Fund and Columbia Management Investment Advisers, LLC authorizes Ameriprise Financial, Inc. to execute the Schedule 13G to which this Exhibit is attached and make any necessary amendments thereto.