Matt Beasley
Office Phone: (405) 558-4600
Email: ir@enablemidstream.com

Transfer Agent

American Stock Transfer & Trust Company, LLC (AST) is the Transfer Agent, Distribution Paying Agent, and Shareholder Records Agent for Enable Midstream Partners, LP. AST's automated telephone support services are available 24 hours per day, seven days per week. AST's staff also is available by mail or on the Internet.

AST may be contacted as follows:

• Mailing Address
  AST
  Attention: Enable Midstream Partners, LP
  6201 15th Avenue
  Brooklyn, NY 11219

• Telephone
  An AST shareholder services representative can be reached at 800-937-5449 or 718-921-8124 between
  the hours of 8 a.m. and 8 p.m. Eastern Time, Monday through Friday. An Interactive Voice Response
  System is available 24 hours a day, seven days a week.

• Website
  Shareholders can access information on AST's website at https://www.astfinancial.com/

• Email
  Shareholders can email inquiries to help@astfinancial.com