 WESTLAKE VILLAGE, Calif.--BUSINESS WIRE--PennyMac Financial Services, Inc. NYSE: PFSI announced today that its Chairman and Chief Executive Officer, David A. Spector, and Senior Managing Director and Chief Financial Officer, Daniel S. Perotti, will participate in a fireside chat discussion at the Barclays Global Financial Services Conference at 12:45 p.m. Eastern Time on Wednesday, September 15, 2021. A link to the live audio webcast will be available on PennyMac Financial Services Investo 