 Moodys Investors Service Moodys assigned a Ba3 Corporate Family Rating and a Ba3-PD Probability of Default Rating to Tripadvisor, Inc. Tripadvisor. In connection with the proposed debt issuance, Moodys also assigned a B1 instrument rating to the new senior unsecured notes. Net proceeds from the new notes will be used for general corporate purposes including repayment of advances under the secured revolver unrated, thereby enhancing Tripadvisors liquidity. 