Exhibit 99.1 Solaris Oilfield Infrastructure Announces Fourth Quarter and Full Year 2023 Results and Announces Continued Shareholder Returns for First Quarter 2024 Fourth Quarter 2023 Summary Results and Shareholder Return Highlights HOUSTON, Texas, February 26, 2024 — (BUSINESS WIRE) — Solaris Oilfield Infrastructure, Inc. (NYSE:SOI) ("Solaris" or the "Company"), today announced fourth quarter and full year 2023 financial and operational results. "2023 was a strong year for Solaris on multiple fronts. We g ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38090 SOLARIS OILFIELD INFRASTRUCTURE, INC. (Exact name of registrant as specified in its charter) Delawa ...

Solaris Oilfield Infrastructure, Inc. (NYSE:SOI) Q3 2023 Earnings Conference Call October 27, 2023 9:00 AM ET Company Participants Emily Boltryk - Director of Finance and Investor Relations William Zartler - Founder, Chairman and Chief Executive Officer Yvonne Fletcher - Senior Vice President, Finance and Investor Relations Kyle Ramachandran - President and Chief Financial Officer Conference Call Participants Luke Lemoine - Piper Sandler Stephen Gengaro - Stifel John Daniel - Daniel Energy Partners Donald C ...

Solaris Oilfield Infrastructure, Inc. (NYSE:SOI) July 28, 2023 9:00 AM ET Company Participants Yvonne Fletcher - SVP, Finance & IR William Zartler - Chairman & CEO Kyle Ramachandran - CFO & President Conference Call Participants Luke Lemoine - Piper Sandler Stephen Gengaro - Stifel Sean Mitchell - Daniel Energy Partners Operator Good morning, and welcome to the Solaris Oilfield Infrastructure Second Quarter 2023 Earnings Call. [Operator Instructions] Please note this event is being recorded. I would like no ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38090 SOLARIS OILFIELD INFRASTRUCTURE, INC. (Exact name of registrant as specified in its charter) Delaware 81 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38090 SOLARIS OILFIELD INFRASTRUCTURE, INC. (Exact name of registrant as specified in its charter) Delaware 8 ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-38090 SOLARIS OILFIELD INFRASTRUCTURE, INC. (Exact name of registrant as specified in its charter) Delaware 81-522 ...