13G Filing: Helu Carlos Slim and PBF Energy Inc. (PBF)

The Class A Common Shares beneficially owned by the Slim
Family constitute approximately 5.4% of the 109,715,727 issued and outstanding Class A Common Shares, as reported in the Form 10-Q
filed by the Issuer with the Securities and Exchange Commission on August 3, 2017.

The Class A Common Shares beneficially owned by Inversora
Carso constitute approximately 5.4% of the 109,715,727 issued and outstanding Class A Common Shares, as reported in the Form 10-Q
filed by the Issuer with the Securities and Exchange Commission on August 3, 2017.

Shared power to vote or to direct the vote:

As to the Slim Family: 5,898,000 Class A Common Shares

As to Inversora Carso: 5,898,000 Class A Common Shares

Shared power to dispose or direct the disposition of:

As to the Slim Family: 5,898,000 Class A Common Shares

As to Inversora Carso: 5,898,000 Class A Common Shares

Ownership of More than Five Percent on Behalf of Another
Person.

Not applicable.

Identification and Classification of the Subsidiary
Which Acquired the Security Being Reported on by the Parent Holding Company.

Class A Common Shares reported as beneficially owned by
Inversora Carso include Class A Common Shares owned by its subsidiary Control Empresarial de Capitales S.A. de C.V.

Identification and Classification of Members of the
Group.

The identity of each member of the group filing this schedule
is as follows: Carlos Slim Helú, Carlos Slim Domit, Marco Antonio Slim Domit, Patrick Slim Domit, María Soumaya Slim
Domit, Vanessa Paola Slim Domit, Johanna Monique Slim Domit, and Inversora Carso, S.A. de C.V.