HOUSTON - Summit Midstream Partners, LP (NYSE: SMLP) ('Summit', 'SMLP' or the 'Partnership') announced today its financial and operating results for fourth quarter and full-year 2023, provided full-year 2024 financial guidance and updated its strategic alternatives review.

Highlights

Previously announced strategic alternatives review entering advance stages

Fourth quarter 2023 net loss of $15.1 million, adjusted EBITDA of $75.0 million, cash flow available for distributions ('Distributable Cash Flow' or 'DCF') of $37.8 million and free cash flow ('FCF') of $20.4 million

Reported 2023 Adjusted EBITDA of $267 million and fourth quarter Adjusted EBITDA run-rate of $300 million

Connected 77 wells during the fourth quarter, resulting in 304 wells connected in 2023

Active customer base with five drilling rigs and more than 140 DUCs behind our systems

Commissioned DJ Basin de-bottlenecking projects and compression project behind Utica system

Executed new 25,500 acre dedication in the condensate window behind our Ohio Gathering Joint Venture

Executed new 10-year take-or-pay contract behind Double E, connecting a new 300 MMcf/d processing plant

Provided 2024 adjusted EBITDA guidance range of $260 million to $300 million

Management Commentary

Heath Deneke, President, Chief Executive Officer, and Chairman, commented, 'Summit delivered solid fourth quarter 2023 financial and operating results representing run-rate Adjusted EBITDA of $300 million. It has been a very busy quarter, advancing a range of strategic alternatives and executing several key commercial milestones.

We are pleased with the continued strong level of interest from third parties for potential transactions?, ranging from the sale of specific assets to consideration of Partnership-level transactions. We believe the strategic review process is entering advanced stages, and while there is no guarantee that any transaction will result from our strategic alternative review, we are making good progress narrowing the range of alternatives with the goal of maximizing value for the Partnership's unitholders.

From a commercial perspective, we recently commissioned our DJ Basin de-bottlenecking projects, which will enable us to better utilize our processing complex and extract approximately $5 million of synergies in 2024. We commissioned the previously announced compression project behind our wholly owned Utica system, resulting in an incremental compression fee beginning in the first quarter of 2024. Further, our Ohio Gathering Joint Venture executed a new 25,500 acre dedication with a producer in the condensate window, illustrating the competitive positioning of our Joint Venture's gathering footprint in the Utica. At our Double E joint venture, we executed a new 40 MMcf/d 10-year take-or-pay contract with an investment grade shipper to support a connection to a new 300 MMcf/d processing plant three miles from the pipeline. With this new connection, we believe Double E is well positioned to commercialize additional contracts as volumes upstream of the new processing plant increase.

We announced 2024 adjusted EBITDA guidance range of $260 million to $300 million, which we believe reflects the current headwinds, particularly in natural gas prices. Despite this volatility, we continue to see significant customer activity upstream of our assets with five rigs running behind our systems and remain encouraged with the long-term prospects for SMLP.'

Fourth Quarter 2023 Business Highlights

SMLP's average daily natural gas throughput for its wholly owned operated systems increased 5.0% to 1,419 MMcf/d, and liquids volumes decreased 4.7% to 81 Mbbl/d, relative to the third quarter of 2023. OGC natural gas throughput decreased from 870 MMcf/d to 826 MMcf/d, a 5.1% decrease quarter-over-quarter and generated $11.3 million of adjusted EBITDA, net to SMLP, for the fourth quarter of 2023. Double E Pipeline gross volumes transported increased from 327 MMcf/d to 386 MMcf/d, an 18.3% increase quarter-over-quarter and generated $8.0 million of adjusted EBITDA, net to SMLP, for the fourth quarter of 2023.

Natural gas price-driven segments: Natural gas price-driven segments had combined quarterly segment adjusted EBITDA of $50.3 million, representing a 2.5% increase relative to the third quarter, and combined capital expenditures of $3.0 million in the fourth quarter of 2023.

Northeast segment adjusted EBITDA totaled $28.4 million, an increase of $0.7 million from the third quarter 2023, primarily due to a 5.6% increase in volume on our wholly owned systems, partially offset by a 5.1% decrease in volume from our OGC joint venture. During the fourth quarter, three new wells were brought online behind our wholly owned Summit Midstream Utica ('SMU') system and 11 new wells were connected behind our OGC joint venture. We commissioned the initial phase of a centralized compression project behind the SMU system and expect to charge an incremental compression fee beginning in the first quarter of 2024. Our OGC joint venture executed a new 25,500 acre dedication with a customer in the condensate window with an active rig behind the new dedication currently with new wells expected in 2024 and beyond. We expect seven new wells to be connected to the systems during the first quarter of 2024. There are currently three rigs running and 37 DUCs behind our systems.

Piceance segment adjusted EBITDA totaled $16.1 million, an increase of $0.8 million from the third quarter of 2023, primarily due to a 1.3% increase in volume throughput driven by 21 wells brought online during the quarter, partially offset by natural production declines.

Barnett segment adjusted EBITDA totaled $5.8 million, a decrease of $0.3 million relative to the third quarter of 2023, primarily due to approximately $0.4 million increase in operating expenses, partially offset by a 7.1% increase in volumes from six new wells connected to the system from our anchor customer in September. A customer continued to curtail volumes by approximately 20 MMcf/d during the quarter. Our anchor customer recently completed four new wells in early 2024 and expects to bring online an additional 10 to 20 wells in 2024. There is currently one rig running and 24 DUCs behind the system.

Oil price-driven segments

Oil price-driven segments generated $30.3 million of combined segment adjusted EBITDA, representing a 3.3% increase relative to the third quarter, and had combined capital expenditures of $14.9 million.

Permian segment adjusted EBITDA totaled $7.9 million, an increase of $2.1 million from the third quarter of 2023, primarily due to an increase in proportionate EBITDA from our Double E joint venture. Double E entered into a new 40 MMcf/d 10-year take-or-pay contract with an investment grade shipper to support a connection to the Janus Processing Plant ('Janus Plant'). The Janus Plant is currently being constructed with an expected capacity of 300 MMcf/d and Q1 2025 in-service date. The take-or-pay commitment was structured to support a return on Double E's expected $6.0 million connection cost, $4.2 million net to SMLP. The additional connection strategically positions Double E for incremental contracts as the processing complex expands and volumes upstream of the plant increase.

Rockies segment adjusted EBITDA totaled $22.4 million, a decrease of $1.1 million relative to the third quarter of 2023, primarily due to a 4.7% decrease in liquids volume throughput, partially offset by a 7.7% increase in natural gas volume throughput. Lower realized commodity prices in the fourth quarter negatively impacted EBITDA by approximately $2.0 million relative to the third quarter, related to percent-of-proceeds contracts in the DJ basin. There were 42 new wells connected during the quarter, including 37 in the DJ Basin, expected to reach peak production in the second quarter 2024, and five in the Williston Basin. The DJ Basin de-bottlenecking project commissioned in the fourth quarter is expected to drive approximately $5.0 million of commercial and cost synergies in 2024. There is currently one rig running and approximately 84 DUCs behind the systems.

2024 Guidance

SMLP is releasing guidance for 2024, which is summarized in the table below. These projections are subject to risks and uncertainties as described in the 'Forward-Looking Statements' section at the end of this release.

Our guidance range is anchored by recent drilling and completion schedules provided by our customers and is reflective of the current commodity price environment. We have taken a consistent approach to our 2024 guidance range that we did with our 2023 guidance range. If our producer customers hit their production targets and timing of planned well connects, we would expect to be near the high end of our 2024 guidance range. The midpoint of our guidance range reflects a conservative, yet appropriate, level of risking to the most recent drill schedules and volume forecasts provided by our customers. The low end of our guidance range reflects additional delays to customer drilling and completion schedules and planned well connects.

We expect approximately 170 to 230 well connections in 2024. Of the expected well connections in 2024, approximately 15% are dry-gas oriented wells, approximately 35% are liquids-rich gas-oriented wells and approximately 50% are crude-oil oriented wells. Customers are currently running five rigs behind our systems, with more than 140 DUCs, providing line of sight to the 2024 estimated well connections and associated volume growth.

We expect our wholly owned natural gas gathering system throughput to range from 1,255 MMcf/d to 1,345 MMcf/d, with volume throughput growth expected behind our Rockies and Barnett segments. OGC gross volume throughput is expected to range from 775 MMcf/d to 825 MMcf/d, as compared to 779 MMcf/d in 2023, representing approximately 2.7% year-over-year growth at the mid-point of the guidance range. Double E existing take-or-pay contracts of 985 MMcf/d will contractually increase to 1,020 MMcf/d beginning in November 2024. We expect to complete the Janus Plant connection in the first quarter 2025. Liquids volumes are expected to range from 65 Mbbl/d to 75 Mbbl/d.

Adjusted EBITDA is expected to range from $260 million to $300 million, representing approximately 5% year-over-year growth at the midpoint. Our 2024 capital expenditure guidance of $30 million to $40 million, excluding Double E, includes capital reimbursements related to specific development projects with certain customers. Our full year 2024 growth capex guidance range is primarily related to new pad connections in the Rockies segment. Included in this range is approximately $10 million to $15 million of maintenance capex. Double E capital expenditures for 2024 are expected to be approximately $5 million, net to SMLP, primarily related to connecting the Janus Plant.

Fourth Quarter 2023 Earnings Call Information

SMLP will host a conference call at 10:00 a.m. Eastern on March 15, 2023, to discuss its quarterly operating and financial results. The call can be accessed via teleconference at: Q4 2023 Summit Midstream Partners LP Earnings Conference Call (https://register.vevent.com/register/BI08da14a6e73a4b4daed7edf267c7f575). Once registration is completed, participants will receive a dial-in number along with a personalized PIN to access the call. While not required, it is recommended that participants join 10 minutes prior to the event start. The conference call, live webcast and archive of the call can be accessed through the Investors section of SMLP's website at www.summitmidstream.com.

We report financial results in accordance with U.S. generally accepted accounting principles ('GAAP'). We also present adjusted EBITDA, Distributable Cash Flow, and Free Cash Flow, non-GAAP financial measures.

Adjusted EBITDA

We define adjusted EBITDA as net income or loss, plus interest expense, income tax expense, depreciation and amortization, our proportional adjusted EBITDA for equity method investees, adjustments related to MVC shortfall payments, adjustments related to capital reimbursement activity, unit-based and noncash compensation, impairments, items of income or loss that we characterize as unrepresentative of our ongoing operations and other noncash expenses or losses, income tax benefit, income (loss) from equity method investees and other noncash income or gains. Because adjusted EBITDA may be defined differently by other entities in our industry, our definition of this non-GAAP financial measure may not be comparable to similarly titled measures of other entities, thereby diminishing its utility.

Management uses adjusted EBITDA in making financial, operating and planning decisions and in evaluating our financial performance. Furthermore, management believes that adjusted EBITDA may provide external users of our financial statements, such as investors, commercial banks, research analysts and others, with additional meaningful comparisons between current results and results of prior periods as they are expected to be reflective of our core ongoing business.

Adjusted EBITDA is used as a supplemental financial measure to assess:

the ability of our assets to generate cash sufficient to make future potential cash distributions and support our indebtedness; the financial performance of our assets without regard to financing methods, capital structure or historical cost basis; our operating performance and return on capital as compared to those of other entities in the midstream energy sector, without regard to financing or capital structure; the attractiveness of capital projects and acquisitions and the overall rates of return on alternative investment opportunities and the financial performance of our assets without regard to (i) income or loss from equity method investees, (ii) the impact of the timing of minimum volume commitments shortfall payments under our gathering agreements or (iii) the timing of impairments or other income or expense items that we characterize as unrepresentative of our ongoing operations.

Adjusted EBITDA has limitations as an analytical tool and investors should not consider it in isolation or as a substitute for analysis of our results as reported under GAAP. For example: certain items excluded from adjusted EBITDA are significant components in understanding and assessing an entity's financial performance, such as an entity's cost of capital and tax structure; adjusted EBITDA does not reflect our cash expenditures or future requirements for capital expenditures or contractual commitments; adjusted EBITDA does not reflect changes in, or cash requirements for, our working capital needs and although depreciation and amortization are noncash charges, the assets being depreciated and amortized will often have to be replaced in the future, and adjusted EBITDA does not reflect any cash requirements for such replacements.

We compensate for the limitations of adjusted EBITDA as an analytical tool by reviewing the comparable GAAP financial measures, understanding the differences between the financial measures and incorporating these data points into our decision-making process.

Distributable Cash Flow

We define Distributable Cash Flow as adjusted EBITDA, as defined above, less cash interest paid, cash paid for taxes, net interest expense accrued and paid on the senior notes, and maintenance capital expenditures.

Free Cash Flow

We define free cash flow as distributable cash flow attributable to common and preferred unitholders less growth capital expenditures, less investments in equity method investees, less distributions to common and preferred unitholders. Free cash flow excludes proceeds from asset sales and cash consideration paid for acquisitions.

We do not provide the GAAP financial measures of net income or loss or net cash provided by operating activities on a forward-looking basis because we are unable to predict, without unreasonable effort, certain components thereof including, but not limited to, (i) income or loss from equity method investees and (ii) asset impairments. These items are inherently uncertain and depend on various factors, many of which are beyond our control. As such, any associated estimate and its impact on our GAAP performance and cash flow measures could vary materially based on a variety of acceptable management assumptions.

About Summit Midstream Partners, LP

SMLP is a value-driven limited partnership focused on developing, owning and operating midstream energy infrastructure assets that are strategically located in the core producing areas of unconventional resource basins, primarily shale formations, in the continental United States. SMLP provides natural gas, crude oil and produced water gathering, processing and transportation services pursuant to primarily long-term, fee-based agreements with customers and counterparties in five unconventional resource basins: (i) the Appalachian Basin, which includes the Utica and Marcellus shale formations in Ohio and West Virginia; (ii) the Williston Basin, which includes the Bakken and Three Forks shale formations in North Dakota; (iii) the Denver-Julesburg Basin, which includes the Niobrara and Codell shale formations in Colorado and Wyoming; (iv) the Fort Worth Basin, which includes the Barnett Shale formation in Texas and (v) the Piceance Basin, which includes the Mesaverde formation as well as the Mancos and Niobrara shale formations in Colorado. SMLP has an equity method investment in Double E Pipeline, LLC, which provides interstate natural gas transportation service from multiple receipt points in the Delaware Basin to various delivery points in and around the Waha Hub in Texas. SMLP also has an equity method investment in Ohio Gathering, which operates extensive natural gas gathering and condensate stabilization infrastructure in the Utica Shale in Ohio. SMLP is headquartered in Houston, Texas.

Forward Looking Statements

This press release includes certain statements concerning expectations for the future that are forward-looking within the meaning of the federal securities laws. Forward-looking statements include, without limitation, any statement that may project, indicate or imply future results, events, performance or achievements and may contain the words 'expect,' 'intend,' 'plan,' 'anticipate,' 'estimate,' 'believe,' 'will be,' 'will continue,' 'will likely result,' and similar expressions, or future conditional verbs such as 'may,' 'will,' 'should,' 'would,' and 'could', including the estimated closing date of the acquisitions, sources and uses of funding, the benefits of the acquisitions to us and any related opportunities. In addition, any statement concerning future financial performance (including future revenues, earnings or growth rates), ongoing business strategies and possible actions taken by us or our subsidiaries are also forward-looking statements. Forward-looking statements also contain known and unknown risks and uncertainties (many of which are difficult to predict and beyond management's control) that may cause SMLP's actual results in future periods to differ materially from anticipated or projected results. An extensive list of specific material risks and uncertainties affecting SMLP is contained in its 2021 Annual Report on Form 10-K filed with the Securities and Exchange Commission (the 'SEC') on February 28, 2022, as amended and updated from time to time. Any forward-looking statements in this press release are made as of the date of this press release and SMLP undertakes no obligation to update or revise any forward-looking statements to reflect new information or events.

Contact:

Tel: 832-413-4770

Email: ir@summitmidstream.com

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