 NEW YORK, May 19, 2021 PRNewswire -- WeissLaw LLP is investigating possible breaches of fiduciary duty and other violations of law by the board of directors of Core-Mark Holding Company, Inc. Core-Mark or the Company NASDAQ: CORE in connection with the Companys proposed acquisition by Performance Food Group Company PFG NYSE: PFGC. Under the terms of the merger agreement, Core-Marks shareholders will receive 23.875 in cash and 0.44 PFG shares for each Core-Mark share they own, representing implied per-share merger consideration of approximately 45.22 based upon PFGs May 18, 2021 closing price of 48.52. 