Ankura Consulting Group, LLC's Consent EXHIBIT 23

Union Carbide Corporation:

Ankura Consulting Group, LLC ("Ankura"), hereby consents to the use of Ankura's name and the reference to Ankura's reports appearing in this Annual Report on Form 10-K of Union Carbide Corporation for the year ended December 31, 2019.

/s/ AMY BROCKMAN

Amy Brockman

Senior Managing Director

Ankura Consulting Group, LLC

February 7, 2020

62