Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form’s S‑3 (Nos. 333-29185, 333-106504, and 333-181644), and S-8 (Nos. 333-03957, 333-85542, 333-85546, 333-142985, and 333-167123) of The Williams Companies, Inc., of our report dated February 21, 2014 relating to the financial statements of Access Midstream Partners L.P. as of and for the year ended December 31, 2013, which appears in this Annual Report of The Williams Companies, Inc.

/s/ PricewaterhouseCoopers LLP

Tulsa, Oklahoma

February 26, 2014