EX-23 2 a2017msdpr_exhibit23-conse.htm EXHIBIT 23: CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM Exhibit
Exhibit 23



CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-173025, 333-162884, 333-139562 and 333-109296) of Merck & Co., Inc. of our report dated June 19, 2017, relating to the financial statements and supplemental schedules of the MSD Puerto Rico Savings & Security Plan, which appears in this Form 11-K.
/s/ PricewaterhouseCoopers LLP
New York, New York
June 19, 2017


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