Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption “Experts” in this Registration Statement (FormS-3) and related Prospectus of Phillips 66 and Phillips 66 Company for the registration of Senior Debt Securities, Subordinated Debt Securities, Common Stock, Preferred Stock, Warrants, Depositary Shares, Stock Purchase Contracts, Stock Purchase Units, and Guarantees of Senior Debt Securities and to the incorporation by reference therein of our reports dated February 22, 2019 with respect to the consolidated financial statements of Phillips 66 and the effectiveness of internal control over financial reporting of Phillips 66, included in its Annual Report (Form10-K) for the year ended December 31, 2018, filed with the Securities and Exchange Commission.
| /s/ Ernst & Young LLP |
Houston, Texas
July 26, 2019
