 WESTLAKE VILLAGE, Calif.--BUSINESS WIRE--PennyMac Financial Services, Inc. NYSE: PFSI the Company today announced the pricing of its offering of 650 million aggregate principal amount of 4.250 Senior Notes due 2029 the Notes. The size of the offering was increased from the previously announced 500 million aggregate principal amount. The Notes will bear interest at 4.250 per annum and will mature on February 15, 2029. Interest on the Notes will be payable semi-annually on Februar 