EX-23 5 neu-20171231xexhibit23cons.htm EXHIBIT 23 Exhibit


Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 333-120312 and 333-197041) of NewMarket Corporation of our report dated February 15, 2018 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.
/s/ PricewaterhouseCoopers LLP
Richmond, Virginia
February 15, 2018