Exhibit 8.2

  910 LOUISIANA
HOUSTON, TEXAS
77002-4995   TEL +1 713.229.1234 FAX +1 713.229.1522 BakerBotts.com AUSTIN BEIJING BRUSSELS DALLAS DUBAI HONG KONG HOUSTON LONDON MOSCOW NEW YORK PALO ALTO RIYADH SAN FRANCISCO WASHINGTON

September 20, 2019

Carrizo Oil & Gas, Inc.

500 Dallas Street, Suite 2300

Houston, Texas 77002

Ladies & Gentlemen:

We have acted as counsel to Carrizo Oil & Gas, Inc., a Texas corporation (“Carrizo”), in connection with the transactions described in the Agreement and Plan of Merger dated as of July 14, 2019 (the “Merger Agreement”), by and between Carrizo and Callon Petroleum Company, a Delaware corporation (“Callon”). Pursuant to the Merger Agreement, Carrizo shall merge with and into Callon (the “Merger”), with Callon continuing as the surviving corporation. The terms of the Merger are described in the Merger Agreement and the proxy statement/prospectus (the “Proxy Statement/Prospectus”), which forms a part of the Registration Statement on Form S-4, as amended (File No. 333-233366), of Callon (the “Registration Statement”), that is being filed with the Securities and Exchange Commission (the “SEC”) on even date herewith. Unless otherwise indicated, each capitalized term used herein has the meaning ascribed to it in the Merger Agreement. You have requested our opinion (the “Tax Opinion”) regarding the treatment of the Merger as a “reorganization” under Section 368(a) of the Internal Revenue Code of 1986, as amended (the “Code”).

In providing this Tax Opinion, we have examined and relied upon the accuracy and completeness of the facts, information, statements, representations, and covenants contained in (i) the Registration Statement, including the Proxy Statement/Prospectus, (ii) all submissions to the SEC related to clause (i), (iii) the Merger Agreement, (iv) the representation letters, dated the date hereof, delivered by Carrizo and Callon to us (the “Representation Letters”), and (v) such other documents and records, and information provided to us by Carrizo, as we have deemed necessary or appropriate as a basis for this Tax Opinion. References to each of the documents above include references to any exhibits, attachments, appendices, and schedules thereto. In rendering this Tax Opinion, we have assumed that (i) each of the Representation Letters will be reexecuted by Carrizo and Callon, respectively, on the Closing Date in a substantially similar form that is acceptable to us, and (ii) we will render our opinion pursuant to Section 6.2(d) of the Merger Agreement on the Closing Date.

We have assumed that the facts, information, statements, representations, and covenants set forth in each of the documents referred to above are true, correct, and complete as of the date hereof and will continue to be true, correct, and complete as of the Effective Time, without regard to any qualification as to knowledge, belief, or otherwise. This Tax Opinion is conditioned upon,

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among other things, the accuracy and completeness of all of the facts, information, statements, representations, and covenants upon which this Tax Opinion is based as of the date hereof and at the Effective Time.

In our examination, we have assumed the genuineness of all signatures, the legal capacity of natural persons, the authenticity of all documents submitted to us as originals, the conformity to original documents of all documents submitted to us as certified, photostatic, electronic, or facsimile copies, and the authenticity of the originals of such documents. We also have assumed that the Merger will be consummated in the manner described in the Registration Statement and the Merger Agreement, and that none of the terms and conditions in the Merger Agreement will have been waived or modified in any respect. Any inaccuracy in any of the aforementioned facts, information, statements, representations, or assumptions, or any breach of any of the aforementioned covenants (including on account of events occurring subsequent to the Effective Time), could adversely affect this Tax Opinion.

Subject to the foregoing and subject to the assumptions, conditions, limitations, and qualifications described herein, it is our opinion that the Merger will qualify as a reorganization under Section 368(a) of the Code.

This Tax Opinion is based on the Code, applicable Treasury regulations, judicial authority, and administrative rulings and practice, all as in effect as of the date hereof. This Tax Opinion is being delivered prior to the consummation of the Merger and therefore is prospective and dependent upon future events. There can be no assurance that future legislative, judicial, or administrative changes or interpretations will not adversely affect the accuracy of the conclusions set forth herein. We do not undertake to advise you as to any such future changes or interpretations unless we are specifically retained to do so. This Tax Opinion is not binding upon the Internal Revenue Service (the “IRS”) or any court, and the conclusions expressed in this Tax Opinion could be challenged by the IRS and a court could sustain such challenge. We express no other opinion regarding the U.S. federal tax consequences of the Merger, and we express no opinion regarding the state, local, foreign, or other tax consequences of the Merger.

This Tax Opinion is delivered to you solely in connection with the Merger and for purposes of the Registration Statement. We hereby consent to the filing of this Tax Opinion as an exhibit to the Registration Statement and to the references to our firm name in the Registration Statement. In giving such consent, we do not admit that we are in the category of persons whose consent is required under Section 7 of the Securities Act, or the rules and regulations thereunder.

            Sincerely,

            /s/ Baker Botts L.L.P.