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

Check the appropriate box to designate the rule pursuant
to which this Schedule is filed:

☐ Rule
13d-1(b)

☒ Rule
13d-1(c)

☐ Rule
13d-1(d)

The information required in the remainder of
this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934
(“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other
provisions of the Act (however, see the Notes).

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*

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Name of Issuer:

PBF Energy Inc. (the “Issuer”)

(b)

Address of Issuer’s Principal Executive Offices:

One Sylvan Way, Second Floor

Parsippany, New Jersey 07054

Name of Persons Filing:

This statement is filed pursuant to Rule 13d-2(b) under the
U.S. Securities Exchange Act of 1934, as amended (the “Act”), by the persons listed below (the “Reporting
Persons”).

(1)

Carlos Slim Helú, Carlos Slim Domit, Marco Antonio Slim Domit,
Patrick Slim Domit, María Soumaya Slim Domit, Vanessa Paola Slim Domit and Johanna Monique Slim Domit (collectively, the
“Slim Family”). The members of the Slim Family are beneficiaries of a Mexican trust which in turn owns all of
the outstanding voting securities of Inversora Carso, S.A. de C.V, formerly known as Inmobiliaria Carso, S.A. de C.V. (“Inversora
Carso”).

(2)

Inversora Carso, a sociedad anónima de capital variable
organized under the laws of the United Mexican States (“Mexico”), is a holding company with portfolio investments
in various companies. Inversora Carso owns all of the outstanding voting securities of Control Empresarial de Capitales S.A. de
C.V.

Address of Principal Business Office:

(i) The principal business address for each member of the
Slim Family is:

Paseo de las Palmas 736
Colonia Lomas de Chapultepec
11000 Ciudad de México,
México

(ii) Inversora Carso’s principal business address is:

Lago Zurich 245
Presa Falcon, Piso 20
Colonia Granada Ampliación
11529 Ciudad de México,
México

Citizenship:

Each member of the Slim Family is a Mexican citizen and Inversora
Carso is a Mexican corporation.

Title of Class of Securities:

Class A Common Stock, $0.001 par value per share (the “Class
A Common Shares”)

CUSIP Number:

69318G106

Church plan that is excluded from the definition of an investment
company under Section 3(c)(14) of the Investment Company Act; or

Amount Beneficially Owned:

As of the date of this filing, (i) Inversora Carso, directly
or indirectly, owns 5,898,000 Class A Common Shares, and (ii) the Slim Family, which are beneficiaries of a Mexican trust that
in turn owns all of the issued and outstanding voting equity securities of Inversora Carso, may be deemed to beneficially own indirectly
the Class A Common Shares beneficially owned, directly or indirectly, by Inversora Carso.

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.

Notice of Dissolution of Group.

Not applicable.

By: Armando Ibáñez Vasquez

Title: Attorney-in-Fact