Emerging Growth Company ☐ Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35700 Diamondback Energy, Inc. (Exact Name of Registrant As Specified in Its Charter) (State or Other Jurisdiction of Incorporati ...

Rattler Midstream LP (RTLR) Q2 2021 Results Conference Call August 5, 2021 11:00 AM ET Company Participants Adam Lawlis - Vice President of Investor Relations Travis Stice - CEO Kaes Van’t Hof - President Operator Thank you for standing by, and welcome to the Rattler Midstream Q2 2021 Conference Call. At this time, all participants are in a listen-only mode. After the speakers’ presentation, there will be a question-and-answer session. [Operator Instructions]. I would now like to hand the conference over to ...

INVESTOR PRESENTATION AUGUST 2021 FORWARD LOOKING STATEMENTS 1 This presentation includes "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. Any statements contained herein that are not statements of historical fact, including statements about our business strategy, our industry, our future profitability, our expected capital expenditures and the impact of such expenditures on our perfo ...

Emerging Growth Company ☐ Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35700 Diamondback Energy, Inc. (Exact Name of Registrant As Specified in Its Charter) (State or Other Jurisdiction of Incorporation or ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35700 | --- | --- | --- | |--------------------------------------------------------------|---------------------------------------------------------------|----- ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ☐ TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35700 Diamondback Energy, Inc. (Exact Name of Registrant As Specified in Its Charter) DE 45-4502447 (State or Other Jurisdiction of Incorporation or Organization) (I.R.S. Emplo ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35700 Diamondback Energy, Inc. (Exact Name of Registrant As Specified in Its Charter) DE 45-4502447 (State or Other Jurisdiction of Incorporation or Organization) (I.R.S. Em ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35700 Diamondback Energy, Inc. (Exact Name of Registrant As Specified in Its Charter) DE 45-4502447 (State or Other Jurisdiction of Incorporation or Organization) (I.R.S. Employe ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Emerging Growth Company ☐ FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35700 Diamondback Energy, Inc. (Exact Name of Registrant As Specified in Its Charter) DE 45-4502447 (State or Other Jurisdiction of Incorporation or Or ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR ☐ TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-35700 Diamondback Energy, Inc. (Exact Name of Registrant As Specified in Its Charter) DE 45-4502447 (State or Other Jurisdiction of Incorporation or Organization) (I.R.S. Emplo ...