13G Filing: Southpoint Capital Advisors and Cars.com Inc (CARS)

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JOINT FILING AGREEMENT

This Joint Filing Agreement, dated as of August 14, 2017, is by and among Southpoint Master Fund, LP, Southpoint Capital Advisors LP,
Southpoint Capital Advisors LLC, Southpoint GP, LP, Southpoint GP, LLC and John S. Clark II (collectively, the Filers).

Each
of the Filers may be required to file with the United States Securities and Exchange Commission a statement on Schedule 13D and/or 13G with respect to shares of Common Stock of Cars.com Inc. beneficially owned by them from time to time.

Pursuant to and in accordance with Rule 13(d)(1)(k) promulgated under the Securities Exchange Act of 1934, as amended, the Filers hereby agree
to file a single statement on Schedule 13D and/or 13G (and any amendments thereto) on behalf of each of the Filers, and hereby further agree to file this Joint Filing Agreement as an exhibit to such statement, as required by such rule.

This Joint Filing Agreement may be terminated by any of the Filers upon written notice or such lesser period of notice as the Filers may
mutually agree.

Executed and delivered as of the date first above written.