Petco Corporate Headquarters Whole Loan. The Petco Corporate Headquarters Mortgage Loan, together with the Petco Corporate Headquarters Pari Passu Companion Loan, each of which is secured by the same Mortgage on the Petco Corporate Headquarters Mortgaged Property. References herein to the Petco Corporate Headquarters Whole Loan shall be construed to refer to the aggregate indebtedness under the Petco Corporate Headquarters Mortgage Loan and the Petco Corporate Headquarters Pari Passu Companion Loan.