− | Report Date | 2026-08-10 |

− | Current Price | $192.10 |

− | 12-Month Price Target | $152.91 |

− | **Z-Score** | **1.77** | **1.25** | **1.11** |

− **Read the score, but do not read it as insolvency risk.** The Altman Z-Score fell to 1.11 in FY2025, inside the model's distress zone and down from 1.25 in FY2024 and 1.77 in FY2023. On its face that is an alarming trajectory. In this specific case it is misleading, and the reason is mechanical. The Z-Score is dominated by the EBIT/total-assets term (X3) and the retained-earnings and revenue-to-a

− | Risk-Free Rate (10Y UST) | 4.65% | US Treasury daily yield curve |

− | Beta (Levered) | 0.70 | Damodaran oil & gas E&P sector unlevered beta (cash-corrected), relevered to FANG's own market debt-to-equity |

− | **Cost of Equity (Ke)** | **7.62%** | CAPM: Rf + β × (ERP + CRP) |

− A cost of equity of 7.62% is, on its face, low for a commodity producer — many practitioners carry E&P equity at a double-digit hurdle — and the reader is entitled to know exactly why, because this single input is the largest lever in the entire model. The dominant driver of Ke at this capital structure is the beta, and the beta shown here is a deliberate analyst choice, not a market measurement.

− **The beta judgment — measured versus rebuilt.** Diamondback's measured five-year beta is low, and it is not a data error: every independent source corroborates it, and the applied 0.70 is meaningfully *higher* than the measured figure. The low measurement is real, but it is an artefact of the 2021–22 period in which energy equities and the broad market moved in opposite directions, and it is not

− | Equity Weight (market value) | 78.9% |

− | Debt Weight (market value) | 21.1% |

− | **WACC** | **7.03%** |

− At 78.9% equity and 21.1% debt on market values, the capital structure is moderately levered — conservatively financed for the sector, consistent with the balance-sheet strength documented in Section 3.2. Because equity carries nearly four-fifths of the weight, WACC is overwhelmingly an equity-cost story: the beta choice in 4.1.1 drives the discount rate, and the after-tax cost of debt contributes

− The valuation is a five-year explicit unlevered-free-cash-flow projection, with a terminal value computed two ways — perpetuity growth and an exit EV/EBITDA multiple — and the selected method shown in 4.2.3 with its rationale. Three scenarios (Base, Bear, Bull) share the same 7.03% discount rate and differ only in the standard revenue-growth, margin and terminal-growth adjustments set out below; t

− | WACC | 7.03% | 7.03% | 7.03% |

− *Note: Bear and Bull use the standard adjustments above (per the valuation-agent methodology), applied to every projection year. The resulting fair values appear in Section 6.2 ($117.29 / $196.57).*

− | PV of UFCF ($M) | — | $4,003.5M | $3,820.5M | $3,572.0M | $3,273.1M | $2,967.4M |

− | Sum of PV of UFCFs ($M) | $17,636.5M |

− | Terminal Value — Perpetuity Growth ($M) | $64,123.5M |

− | Selected Terminal Value ($M) | $64,123.5M |

− | PV of Terminal Value ($M) | $45,648.7M |

− | **Enterprise Value ($M)** | **$63,285.1M** |

− | **Equity Value ($M)** | **$42,905.1M** |

− | Shares Outstanding (M — current count used in the per-share bridge) | 280.6 |

− | **DCF Fair Value / Share (Base)** | **$152.90** |

− | Upside / Downside vs. Current Price | -20.4% |

− Three features of the bridge deserve the reader's attention. First, the selected terminal value is the perpetuity figure of $64,123.5M, which is *higher* than the exit-multiple alternative of $54,361.3M; given that terminal value is 72% of enterprise value, the lower exit-multiple result — struck at a deliberately below-peer multiple to reflect depletion, full-cost accounting and the governance ov

− The base-case fair value is highly sensitive to both the discount rate and the terminal growth rate, and the grid below isolates that interaction on the perpetuity-growth terminal leg. Because the base case selects the perpetuity method, the bolded central cell of this grid — struck at the 7.03% base WACC and 0.5% base terminal growth — *is* the reported base-case fair value of $152.90, not merely

− | WACC \ TGR | -0.5% | 0.0% | 0.5% | 1.0% | 1.5% |

− |---|---|---|---|---|---|

− | 6.03% | 160.7 | 175.7 | 193.3 | 214.4 | 240.1 |

− | 6.53% | 144.2 | 156.8 | 171.4 | 188.7 | 209.4 |

− | **7.03%** | 129.9 | 140.6 | **152.9** | 167.3 | 184.2 |

− | 7.53% | 117.4 | 126.5 | 137.0 | 149.1 | 163.2 |

− | 8.03% | 106.3 | 114.3 | 123.3 | 133.6 | 145.4 |

− Read the grid with its geography in mind: WACC rises down the rows and terminal growth rises across the columns, so the richest valuations sit in the top-right corner (lowest WACC, highest growth) and the poorest in the bottom-left. The instructive question is where the fair value reaches the current price of $192.10. The answer is telling. Along the base-case 7.03% row, *no* terminal growth rate

− One fact governs this entire section, and it must be held in view from the first table to the last. **On undistorted cash measures Diamondback leads both of its peers; on reported earnings multiples it screens expensive — and these are the same fact seen twice, not two independent findings.** Diamondback's free-cash-flow yield of 9.7% is close to double either peer's (5.1% at ConocoPhillips, 4.6%

− **FY2025 returns are the single most misleading line in this section, and they should not anchor any judgment.** Read literally, the table says Diamondback earns a ROIC of 2.1%, a ROE of 4.5% and a ROA of 2.4% — a fraction of both peers, and, on ROIC, far below the 7.03% cost of capital derived in Section 4. Taken at face value that would describe a company destroying capital. It is not what is ha

− | EV/EBITDA | 11.8xⁱ ᵐ | 7.0xᵐ | 7.3xᵐ |

− | P/E | 33.5xⁱ ᵐ | 18.5xᵐ | 15.3xᵐ |

− | FCF Yield | 9.7%ᵐ | 5.1%ᵐ | 4.6%ᵐ |

− **This is where the section's central fact resolves.** Diamondback screens conspicuously expensive on both earnings-based multiples: EV/EBITDA of 11.8x against ConocoPhillips's 7.0x and EOG's 7.3x, and P/E of 33.5x against 18.5x and 15.3x — on the surface a rich premium demanding either superior growth, superior returns, or a warning. It is none of those. Both multiples are inflated *from the deno

− The cash-based multiple tells the opposite — and truer — story. Diamondback's free-cash-flow yield of 9.7% is undistorted by the impairment (the charge is non-cash and never entered the cash-flow statement) and is close to double both peers' — 5.1% at ConocoPhillips and 4.6% at EOG. That gap is real and directly comparable, struck for all three on the same organic-development-capex convention. It

− | Scenario | Fair Value / Share | Upside / Downside vs. Current Price ($192.10) |

− | Bear | $117.29 | Well below the current price — a downside of roughly two-fifths |

− | Base | $152.90 | -20.4% |

− | Bull | $196.57 | Marginally above the current price — a low-single-digit premium |

− Even on that narrow, mechanical band, the sanity check is unflattering. The *bull* case only just reaches today's share price of $192.10 — a reader has to believe the optimistic dial-setting merely to justify the current quote — while the base case, at $152.90 (-20.4%), sits roughly a fifth below it, and the bear sits well beneath. The current price is not supported by any collapse-avoidance premi

− | P/E | 33.5x | 11.0x | $115.50 |

− | EV/EBITDA | 11.8x | 5.5x | $122.50 |

− | FCF Yield | 9.7% | 8.0% | $188.60 |

− The gap between the current and target multiples on the two earnings-based rows is largely illusory, and the reader must not mistake it for the re-rating the method appears to demand. As Sections 3 and 5 established, both the current P/E of 33.5x and the current EV/EBITDA of 11.8x are struck on impairment-distorted denominators — net income crushed by the non-cash ceiling-test charge, and EBITDA d

− The FCF-yield row is where the truth of this business shows through — but read the two numbers in it carefully, because they are struck on different cash flows and conflating them is the easiest mistake to make in this table. The current free-cash-flow yield of 9.7% is the **reported, pre-acquisition** figure: it is undistorted by the impairment, and it is the right basis for the peer comparison i

− | DCF | $117.29 | $152.90 | $196.57 |

− | P/E Relative | $98.20 | $115.50 | $132.80 |

− | EV/EBITDA Relative | $93.20 | $122.50 | $151.80 |

− | FCF Yield | $164.00 | $188.60 | $221.90 |

− | **Composite Fair Value** | **$118.17** | **$144.88** | **$175.77** |

− **Composite Fair Value (Base):** $144.88

− **Current Price:** $192.10 | **Implied Upside / Downside:** -24.6%

− Two features of the composite carry the section. The first is that **the composite base of $144.88 sits *below* the DCF base of $152.90.** The cross-check does not rescue the stock — it pulls it slightly further down. The equal-weighted average is dragged beneath the DCF by the two earnings-multiple methods ($115.50 and $122.50), and only the FCF-yield method ($188.60) pulls the other way. A reade

− The second is that the composite's own bear-to-bull range is misleadingly *narrow*, and it must not be read as the measure of uncertainty for this name. The three relative methods barely move across the scenarios because they are anchored to multiples and yields rather than to the oil price, so they compress the blended range: on this mechanical basis, the composite spans from a bear of $118.17 to

− The base-case DCF fair value is acutely sensitive to the discount rate and the terminal assumptions, and the two grids below isolate that sensitivity on each terminal leg — and, together with the commodity-price scenario analysis in 6.2, they are where the real uncertainty in this valuation lives. The current share price of $192.10 is instructive precisely because of where it does *not* appear. In

− | WACC \ TGR | -0.5% | 0.0% | 0.5% | 1.0% | 1.5% |

− |---|---|---|---|---|---|

− | 6.03% | 160.7 | 175.7 | 193.3 | 214.4 | 240.1 |

− | 6.53% | 144.2 | 156.8 | 171.4 | 188.7 | 209.4 |

− | **7.03%** | 129.9 | 140.6 | **152.9** | 167.3 | 184.2 |

− | 7.53% | 117.4 | 126.5 | 137.0 | 149.1 | 163.2 |

− | 8.03% | 106.3 | 114.3 | 123.3 | 133.6 | 145.4 |

− The exit-multiple grid is the more conservative cross-check, and it reinforces the downside rather than relieving it. Struck at a below-peer exit multiple to reflect depletion, full-cost accounting and the governance overhang, it places the base-case fair value further below the current price than the perpetuity method does, and no cell along the base discount-rate row approaches today's quote eve

− | WACC \ Exit EV/EBITDA | 3.5x | 4.5x | 5.5x | 6.5x | 7.5x |

− |---|---|---|---|---|---|

− | 6.03% | 83.9 | 110.2 | 136.5 | 162.8 | 189.0 |

− | 6.53% | 80.9 | 106.6 | 132.3 | 157.9 | 183.6 |

− | **7.03%** | 78.0 | 103.1 | **128.1** | 153.2 | 178.3 |

− | 7.53% | 75.1 | 99.6 | 124.1 | 148.6 | 173.1 |

− | 8.03% | 72.4 | 96.3 | 120.2 | 144.2 | 168.1 |

− **Rating:** REDUCE | **12-Month Price Target:** $152.91 | **Conviction:** Low

− The rating is REDUCE and the conviction is Low — and the low conviction is not a hedge, it is the accurate description of a valuation that hangs on three analyst judgments, each of which a reasonable person could take the other way. The price target of $152.91 is set to the DCF base fair value; the equal-weighted composite ($144.88) sits below it and is carried as a cross-check that reinforces, ra

− The core case is straightforward and is not a quarrel with the quality of the business. Diamondback generates genuinely superior free cash flow — a yield close to double either peer's, as Section 5 documented — and that superiority is real, cash, and untouched by the impairment. The problem is the price the market is paying for it. At $192.10 the equity capitalises that cash flow at a level that r

− # Section 7 — Quarterly Update: Q1 2026

− *All page citations in this section are PDF page numbers of the Q1 FY2026 Form 10-Q (period ended March 31, 2026, filed May 6, 2026), read in full for this section.*

− **Read this before the table below.** Diluted EPS of $0.08 against $4.83 in Q1 2025 — a decline of -98.3% — is not an operational collapse and is not an error. Two non-operational items account for almost all of it, and both were visible in advance:

− 1. **A $1,400M non-cash ceiling-test impairment (10-Q p. 24, p. 58).** This is the *second consecutive* full-cost write-down, following the $3,652M charge taken in Q4 2025 (10-Q p. 50). It cut income from operations to $116.0M on revenue of $4,240.0M. Excluding it, EBIT would have been $1,516M (-9.4% versus Q1 2025) and EBITDA $2,809M — **+1.4% above the $2,770.0M of Q1 2025**. The charge does not

− 2. **The non-controlling interest took most of what survived.** Consolidated net income was $144M; **$119M of that belongs to Viper Energy's outside shareholders**, leaving $25.0M attributable to Diamondback (10-Q p. 11). The NCI absorbed 82.6% of consolidated earnings this quarter, against 5.8% in Q1 2025 ($86M of $1,491M). The impairment sits overwhelmingly in the operated E&P — the guarantor gr

− **The charge was pre-announced by the company's own disclosure.** The forensic review of the FY2025 10-K recorded management's warning that further material non-cash write-downs were likely in subsequent quarters; the identical warning language is repeated verbatim in this filing — "If the future trailing 12-month commodity prices decline as compared to the commodity prices used in prior quarters,

− | **Action** | REDUCE |

− | **Reason** | Underlying cash generation held — free cash flow before working-capital movements was $1,705M, +10.4% year over year — but reported free cash flow of $895M covered only 63% of the quarter's $1,419M of returns, buybacks, distributions and acquisitions — the $524M gap and the $661M of net-debt reduction were funded by $1,193M of non-recurring Viper asset-sale and share-sale proceeds —

− | **Thesis intact?** | YES — the accounting transmission channel identified as Risk 1 fired for a second consecutive quarter ($1,400M, cumulative accumulated impairment now $13,006M, 10-Q p. 24), and the related-party governance overhang deepened: 93% of the $548M buyback ($509M) was bought from SGF, not the open market. The quarter did *not* weaken the cash-generation quality the thesis has alway

− | **Trigger to revisit** | Move to HOLD if the Q2 FY2026 ceiling test passes without a charge as guided *and* operating cash flow recovers above $2,300M as the $779M Q1 receivables build unwinds. Move toward EXIT if a third consecutive impairment is recorded in Q3 FY2026 or if net debt rises back above $14,385M (the Q4 2025 level) absent an accretive acquisition. |

− *Source: Analyst assessment, based on Diamondback Energy Q1 FY2026 Form 10-Q and the valuation and risk analysis in Sections 2, 6 and 7 of this report.*

− | Metric | Q1 2026 | Q1 2025 | YoY Δ | Q4 2025 | QoQ Δ |

− | **Revenue ($M)** | $4,240.0M | $4,048.0M | +4.7% | $3,376.0M | +25.6% |

− | **Gross Profit ($M)**ᵃ | $3,305.0M | $3,301.0M | +0.1% | $2,515.0M | +31.4% |

− | Gross Margin | 77.9% | 81.5% | -3.6 pp | 74.5% | +3.5 pp |

− | **EBITDA ($M)**ᵇ | $1,409.0M | $2,770.0M | -49.1% | -$1,393.0M | +201.1% |

− | EBITDA Margin | 33.2% | 68.4% | -35.2 pp | -41.3% | +74.5 pp |

− | **EBIT ($M)** | $116.0M | $1,673.0M | -93.1% | -$2,782.0M | +104.2% |

− | EBIT Margin | 2.7% | 41.3% | -38.6 pp | -82.4% | +85.1 pp |

− | **Net Income ($M)**ᶜ | $25.0M | $1,405.0M | -98.2% | -$1,458.0M | +101.7% |

− | Net Margin | 0.6% | 34.7% | -34.1 pp | -43.2% | +43.8 pp |

− | **Diluted EPS** | $0.08 | $4.83 | -98.3% | — | —ᵈ |

− *Source: Diamondback Energy, Inc. Form 10-Q for the quarter ended March 31, 2026, Condensed Consolidated Statements of Operations (10-Q p. 11); Q4 2025 comparatives per the MD&A sequential-quarter tables (10-Q pp. 46–52).*

− *Formulas, shown once: YoY Δ = (CQ - PYSQ) / |PYSQ| × 100 — e.g. revenue (4,240 - 4,048) / 4,048 × 100 = +4.7%. QoQ Δ = (CQ - PQ) / |PQ| × 100 — e.g. revenue (4,240 - 3,376) / 3,376 × 100 = +25.6%. Margin = line ÷ revenue × 100 — e.g. gross margin CQ = 3,305 / 4,240 × 100 = 77.9%. Margin delta in percentage points = CQ margin - comparator margin — e.g. gross margin -3.6 pp = 77.9% - 81.5%.*

− ᵃ *Gross profit here is revenue less field operating costs (lease operating expenses, production and ad valorem taxes, and gathering, processing and transportation): $547M + $268M + $120M = $935M in Q1 2026, against $408M + $228M + $111M = $747M in Q1 2025 (10-Q p. 11). It is **not** a full cash margin: the $393M of purchased-oil expense that offsets $385M of purchased-oil sales sits below this li

− ᵇ *EBITDA is computed as EBIT plus depreciation, depletion, amortisation and accretion, with the ceiling-test impairment **left in** — the same convention Sections 3, 5 and 6 use. This is why Q4 2025 EBITDA is negative and why the +201.1% sequential move is an artefact of comparing two impaired quarters, not a recovery. Adding back the charges: Q1 2026 EBITDA ex-impairment = $1,409M + $1,400M = $2

− ᶜ *Net income is the figure attributable to Diamondback Energy, Inc. Consolidated net income was $144M in Q1 2026 and $1,491M in Q1 2025; the non-controlling interest in Viper took $119M and $86M respectively (10-Q p. 11).*

− ᵈ *A standalone diluted EPS figure for Q4 2025 is not separable from the filings: the fourth quarter is derived as the full year less the nine months, and a per-share amount computed that way is not a reported figure. The sequential EPS change is therefore not stated.*

− **Revenue.** Revenue rose +4.7% year over year to $4,240.0M on a **volume-driven, price-offset** mix: oil, natural gas and NGL revenues rose $168M (+5%) to $3,825M, comprising **+$434M from 15% combined production growth partially offset by -$266M from lower realised prices**, principally natural gas and NGLs (10-Q p. 56). Combined volumes were 88,142 MBOE (979,356 BOE/d) against 76,559 MBOE (850,

− **Cost and margin.** Field operating costs rose to $935.0M from $747.0M, an increase of 25.2% against 15.1% volume growth, so unit costs deteriorated: lease operating expense per BOE rose to $6.21 from $5.33 (+16.5%), and cash operating costs totalled $11.26/BOE (10-Q p. 44). Management attributes the $139M lease-operating increase to a $38M favourable cost-estimate reduction in the Q1 2025 base t

− **Below the line.** Interest expense, net rose to $63.0M from $40.0M (+57.5%), comprising $22M on the 2035 Notes and 2025 Term Loan, a net $9M on Viper's refinanced notes and $6M of lost interest income, less $13M saved on the May 2025 term-loan repayment (10-Q p. 62). Three items materially impair comparability: the $1,400M impairment (nil in Q1 2025); a derivative gain of $117M against $226M, wh

− | Metric | Q1 2026 | Q1 2025 | YoY Δ | Q4 2025 | QoQ Δ |

− | Cash ($M) | $174.0M | $1,816.0M | -90.4% | $104.0M | +67.3% |

− | Net Debt ($M) | $13,724.0M | $12,094.0M | +13.5% | $14,385.0M | -4.6% |

− | Net Debt / LTM EBITDA | 2.8×ᵉ | — | — | — | — |

− | Total Assets ($M) | $70,080.0M | $70,066.0M | +0.0% | $71,059.0M | -1.4% |

− | Equity ($M)ᶠ | $36,473.0M | $38,473.0M | -5.2% | $36,972.0M | -1.3% |

− | OCF ($M) | $1,828.0M | $2,355.0M | -22.4% | $2,343.0M | -22.0% |

− | CapEx ($M)ᵍ | $933.0M | $942.0M | -1.0% | $943.0M | -1.1% |

− | FCF ($M) | $895.0M | $1,413.0M | -36.7% | $1,400.0M | -36.1% |

− | Dividends Paid ($M)ᵍ | $295.0M | $290.0M | +1.7% | $286.0M | +3.1% |

− *Source: Form 10-Q for the quarter ended March 31, 2026 — Condensed Consolidated Balance Sheets (10-Q p. 13) and Condensed Consolidated Statements of Cash Flows (10-Q p. 15); prior-quarter comparatives per the same statements and the MD&A sequential tables (10-Q pp. 46–52, 63).*

− ᵉ *LTM EBITDA derivation, on the same impairment-inclusive convention as the 7.1 table: Q2 2025 $2,405M + Q3 2025 $2,522M + Q4 2025 -$1,393M + Q1 2026 $1,409M = **$4,943M**. Net Debt ÷ LTM EBITDA = $13,724M ÷ $4,943M = **2.8×**. This figure is not economically meaningful: adding back the two ceiling-test charges the trailing year contains — $3,652M in Q4 2025 and $1,400M in Q1 2026 (10-Q p. 50) —

− ᶠ *Equity is total Diamondback Energy, Inc. stockholders' equity, excluding the non-controlling interest of $6,167M at March 31, 2026 ($5,995M at December 31, 2025). Total equity including NCI was $42,640M against $42,967M (10-Q p. 13).*

− ᵍ *CapEx and dividends are stored as positive magnitudes in the model and shown as such here; both are cash **outflows**. Capital expenditure is additions to oil and natural gas properties only and excludes the $314M of property acquisitions reported separately in investing activities (10-Q p. 15).*

− **Balance sheet note.** The material sequential movements are all deleveraging and price-timing: total debt fell to $13,898M from $14,489M and net debt to $13,724.0M from $14,385.0M, a reduction of $661M, driven by the full repayment and termination of Viper's $500M 2025 Term Loan on February 13, 2026 and a drawdown of the Viper revolver to $20M from $105M (10-Q pp. 29, 31); property and equipment

− **Cash flow note.** FCF conversion = FCF ÷ Net Income = $895M ÷ $25M = **3,580.0%**, a ratio that is arithmetically correct and analytically worthless because the denominator is impairment-crushed; against consolidated net income of $144M it is 621.5%. **The signal is in the cash statement itself, and it is good.** Reported operating cash flow fell 22.4% to $1,828.0M, but the entire shortfall is o

− Every one of the seventeen notes in the filing was read for this section. Each is addressed below.

− **Note 1 — Description of the Business and Basis of Presentation (10-Q p. 19)**

− Diamondback is managed as **one operating and reportable segment**, the upstream segment, which now includes Viper and the residual midstream operations. At March 31, 2026 the Company owned **approximately 39% of Viper's combined Class A and Class B common stock on a fully diluted basis**, and continues to consolidate Viper as a variable interest entity under ASC 810 because it remains the primary

− **Note 2 — Summary of Significant Accounting Policies (10-Q pp. 20–21)**

− Restates the VIE analysis and discloses the **Secondary Offering of March 4, 2026**: the Company exchanged approximately 12.39 million Viper Class B shares and an equal number of Viper LLC Units for Class A shares and sold them, with the underwriters exercising an option on March 19, 2026 for a further 0.51 million shares, **aggregate cash proceeds approximately $589 million**, applied to general

− **Note 3 — Revenue from Contracts with Customers (10-Q p. 21)**

− Revenue from contracts with customers was $4,223M against $4,046M. Disaggregated by basin, Midland contributed $3,518M of the $3,825M oil, gas and NGL total (92.0%), Delaware $287M — **identical to the $287M of Q1 2025** — and Other $20M against $4M. Significance: the single-basin concentration flagged as Risk 3 is, if anything, tighter than a year ago, and the Delaware position has not grown at a

− **Note 4 — Acquisitions and Divestitures (10-Q pp. 23–24)**

− The one 2026 transaction is the **Viper Non-Permian Divestiture**, completed February 9, 2026: all non-Permian assets including those acquired from Sitio sold to affiliates of GRP Energy Capital and Warwick Capital Partners for **net cash proceeds of approximately $610 million**, covering roughly 9,400 net royalty acres in the DJ, Eagle Ford and Williston basins producing approximately 4,750 BO/d.

− **Note 5 — Property and Equipment (10-Q pp. 24, 26)**

− Gross oil and gas properties $96,185M; accumulated depletion $(17,240)M; **accumulated impairment $(13,006)M against $(11,606)M at December 31, 2025** — the $1,400M charge in full. The note states the ceiling test is performed each quarter, that the $1.4 billion non-cash charge was recorded in the three months ended March 31, 2026, and that **no impairment was recorded in the three months ended Ma

− **Note 6 — Asset Retirement Obligations (10-Q p. 26)**

− ARO closed at **$547M against $607M at March 31, 2025**, opening at $542M against $592M. Movements were small in both periods: liabilities incurred $1M (against $16M), acquired $1M (against $1M), settled and divested $(5)M (against $(12)M), accretion $8M (against $9M), revisions nil (against $1M). The current portion rose to $41M from $21M. Read and confirmed materially unchanged in character vers

− **Note 7 — Related Party Transactions (10-Q pp. 26–27)**

− **Note 8 — Debt (10-Q pp. 29, 31)**

− Total debt, net fell to **$13,898M from $14,489M**. The Diamondback Revolving Credit Facility carries a $2.5 billion maximum and matures June 12, 2030, with **no outstanding borrowings and $2.5 billion available** at quarter end; the weighted average rate on borrowings during the quarter was 5.00% against 5.92% in Q1 2025. The Viper Revolving Credit Facility ($1.5 billion commitment, same June 12,

− **Note 9 — Stockholders' Equity and Earnings (Loss) Per Share (10-Q pp. 31–33)**

− The repurchase authorisation is $8.0 billion. In Q1 2026 the Company repurchased **approximately $548 million of common stock, of which approximately $509 million was bought from SGF**, against $575 million of open-market repurchase in Q1 2025; approximately **$2.1 billion remains available**. Dividends paid were **$1.05 per share, $298M including distribution equivalent rights, against $1.00 per

− **Note 10 — Equity-Based Compensation (10-Q pp. 33–34)**

− Stock-based compensation in G&A was **$22M against $18M**, with a further **$9M capitalised into oil and gas properties under full-cost accounting against $5M** — the capitalised portion nearly doubled and does not pass through the income statement. Unvested RSUs rose to 1,293,108 at a weighted-average grant-date fair value of $162.59, with $179M of unrecognised cost over 2.4 years; unvested PSUs

− **Note 11 — Income Taxes (10-Q p. 36)**

− Tax expense of **$32M against $403M; effective rate 18.2% against 21.3%**. The rate differs from statutory because of state taxes net of federal benefit, research and development credits and other permanent differences; the Q1 2025 reconciliation additionally cited limitations on the deduction of certain permanent items, which no longer appears. The Secondary Offering produced an **$88 million inc

− **Note 12 — Derivatives (10-Q pp. 36–38)**

− At March 31, 2026 only commodity contracts remain outstanding; none are designated as accounting hedges. **The Company fully terminated and settled the remaining $300 million notional of interest-rate swaps for a cash payment of approximately $27 million during the quarter.** Gains: commodity $117M against $214M; interest-rate swaps nil against $11M; total $117M against $226M. Net cash received on

− **Note 13 — Fair Value Measurements (10-Q pp. 38–41)**

− Net commodity derivative assets of $165M current and $52M non-current against $62M of derivative liabilities; the Verde Clean Fuels investment fell to $25M from $30M. The **2026 WTI Contingent Liability from Viper's 2024 Tumbleweed acquisitions was settled by a $20 million payment in January 2026** and is gone from the balance sheet. Most consequentially, **debt with a carrying value of $13,898M h

− **Note 14 — Supplemental Information to Statements of Cash Flows (10-Q p. 41)**

− **Federal cash taxes paid were nil, against $254 million paid in Q1 2025**; Texas state tax was a $7M receipt against nil, and other state nil against $2M. Accrued capital expenditures included in accounts payable rose to **$962M from $746M**, a $216M increase. Viper LLC Units issued for acquisition were nil against $119M. Significance: two items flatter the reported cash flow — the $254M absence

− **Note 15 — Commitments and Contingencies (10-Q p. 42)**

− Two named matters, neither accrued and neither quantified. First, the **Bureau of Safety and Environmental Enforcement decommissioning order** on a Louisiana offshore platform naming a corporate predecessor of Energen; the Company has agreed to contribute to a trust and states its portion "are not expected to be material." Second, the **SLCRMA coastal-erosion suits, in five of which the Company is

− **Note 16 — Subsequent Events (10-Q pp. 42–43)**

− **Note 17 — Segment Information (10-Q p. 43)**

− One operating and one reportable segment, upstream, comprising the Company's wholly owned subsidiaries and Viper, aggregated on economic similarity. The CODM is a committee of the CEO, CFO and COO, and **the measures of segment profit and assets are consolidated net income and consolidated total assets as reported** — that is, the segment disclosure adds no information beyond the primary statement

− **Related-party transactions (10-Q pp. 26–27, 31)**

− Diamondback has two material related-party relationships and both were active in the quarter. Every disclosed amount is set out below with its prior-year comparative.

− *1 — SGF FANG Holdings, LP (the Endeavor equityholder bloc).* SGF is a related party under ASC 850 because the Endeavor Acquisition issued it 117.27 million shares — 39.8% of then-outstanding common stock — and because a stockholders agreement gives the Endeavor equityholders **the right to propose for nomination between one and four directors so long as stated ownership thresholds are maintained*

− | Transaction | Q1 2026 | Q1 2025 | Terms |

− |---|---|---|---|

− | Shares repurchased from SGF | 3.0 million shares for **~$509M** excluding excise tax (~$514M including excise tax) | **Nil** — the letter agreement did not exist | Letter agreement of November 28, 2025: SGF may sell up to 3.0 million shares per quarter to the Company through December 31, 2026 **at the most recent Nasdaq closing price**; executed inside the existing repurchase programme and appro

− | Total Company repurchases | ~$548M excluding excise tax | ~$575M (all open market) | $8.0 billion authorisation; ~$2.1 billion remaining |

− | SGF secondary sale to third parties | 12.65 million shares at **$170.18875** on March 12, 2026 | Nil | Underwritten secondary; no Company cash involved |

− | Endeavor equityholder ownership | **~30.2%** at March 31, 2026 | ~39.8% at issuance; ~35.8% at December 31, 2025 per the forensic review | Board-nomination rights persist while thresholds hold |

− *Source: Form 10-Q for the quarter ended March 31, 2026, Note 7 — Related Party Transactions (10-Q p. 27) and Note 9 — Stockholders' Equity (10-Q p. 31).*

− **This is the finding of the quarter and it must not be read as an ordinary buyback.** Reconciling the Note 7 amounts to the Issuer Repurchases table (10-Q p. 71): the Company bought 3,418 thousand shares in total at an average $167.92, of which 150,806 were tax withholding on vested awards, 3.0 million were the SGF purchase, and **only 267 thousand shares — $39 million — were bought in the open m

− *2 — Deep Blue Midland Basin LLC.* A 30%-owned water joint venture with Five Point Energy, carried in "Other assets" (10-Q p. 26).

− | Item | Q1 2026 | Comparative | Basis |

− |---|---|---|---|

− | Lease operating expenses charged by Deep Blue | **$75M** | **$37M** (Q1 2025) | Income statement; +102.7% |

− | Water services capitalised to proved properties | **$67M** | **$47M** (Q1 2025) | Capitalised, not expensed; +42.6% |

− | Accounts receivable from Deep Blue | $1M | $1M (Dec 31, 2025) | Balance sheet |

− | Other assets (equity interest) | $211M | $197M (Dec 31, 2025) | Balance sheet |

− | Accounts payable and accrued capital expenditures | $85M | $71M (Dec 31, 2025) | Balance sheet |

− | Other accrued liabilities | $59M | $82M (Dec 31, 2025) | Balance sheet |

− *Source: Form 10-Q for the quarter ended March 31, 2026, Note 7 — Related Party Transactions (10-Q pp. 26–27). The filing presents the Deep Blue balance-sheet comparatives against December 31, 2025, not against March 31, 2025.*

− Combined Deep Blue charges were **$142 million in the quarter against $84 million a year earlier, a 69% increase**, under an unchanged 15-year water dedication across a 12-county area of mutual interest in the Midland Basin. The terms are disclosed as unchanged. Significance: this is a self-dealt cost base that grew far faster than the 15.1% production increase, and $67M of it was capitalised into

− *3 — Viper.* The note cross-references the 2025 Drop Down (Note 4): Endeavor Energy Resources divested 1979 Royalties to Viper on May 1, 2025 for $873 million in cash plus 69.63 million Viper LLC Units and matching Class B shares, accounted for as a transaction between entities under common control. **No new Viper related-party transaction amount is disclosed for Q1 2026** beyond the Secondary Off

− **Contingencies and litigation (10-Q pp. 42, 70)**

− | Matter | Nature | Amount at stake | Company assessment | Change vs. prior period |

− | BSEE Louisiana platform decommissioning | Ordered decommissioning and reclamation of an offshore platform naming a corporate predecessor of Energen; Company contributing to a funding trust with other operators | **Not disclosed**; no accrual | "Not expected to be material" | Repeated without change |

− | SLCRMA coastal-erosion suits | Louisiana parishes and the State suing numerous producers for coastal erosion; Company is a defendant in **five** cases; contractual indemnification rights exercised where applicable | **Not disclosed**; no accrual | Theories "unprecedented"; "significant uncertainty" as to scope and damages; claims "lack merit"; will defend vigorously | Repeated without change; st

− | Ordinary-course proceedings | Royalty, title, contract, employment, antitrust, personal-injury, contamination and environmental claims | Not disclosed; accrual only when probable and estimable | None material individually or in aggregate if decided adversely | Repeated without change |

− | Risk factors | — | — | **"There have been no material changes in our risk factors"** from the FY2025 10-K (10-Q p. 70) | No change |

− *Source: Form 10-Q for the quarter ended March 31, 2026, Note 15 — Commitments and Contingencies (10-Q p. 42) and Part II Items 1 and 1A (10-Q p. 70).*

− **Subsequent events (10-Q pp. 42–43, 65)**

− Five post-quarter disclosures, all material to the forward view:

− 1. **Pending Viper Riverbend Acquisition (May 1, 2026)** — Viper agreed to acquire Riverbend Oil & Gas IX for **approximately $337 million in cash plus 3.69 million Viper Class A shares**, expected to close in Q3 2026 (10-Q p. 42). Viper resumes buying minerals within five months of selling $610M of them.

− 2. **Dividend increase (April 29, 2026)** — the board raised the **annual base dividend to $4.40 per share** and declared a Q1 2026 base dividend of **$1.10 per share**, payable May 21, 2026 (10-Q p. 42).

− 3. **2025 Term Loan repaid (April 22, 2026)** — the remaining **$550 million** was paid in full and the facility terminated (10-Q p. 42).

− 4. **Senior-note tender (April 13, 2026)** — the Company repurchased **$777 million of principal** ($283M of the 4.400% notes due 2051 and $494M of the 4.250% notes due 2052) for total cash of approximately **$632 million including accrued interest, at an average 81.1% of par** (10-Q p. 43) — retiring $777M of face for $632M of cash, a $145M face-value discount captured. Together with item 3, roug

− 5. **Removal of the minimum return-of-capital commitment (10-Q p. 65)** — "Beginning in the second quarter of 2026, our board of directors approved the removal of our minimum 50% return of capital quarterly commitment to allow the Company more discretion in the allocation of Free Cash Flow." This is a policy downgrade for the income-oriented holder and a deliberate reallocation toward debt reducti

− Two further forward disclosures sit in MD&A rather than Note 16: annual **production guidance raised 3% to approximately 972 MBOE/d** (10-Q p. 45) and the **2026 capital budget raised 4% to approximately $3.90 billion**, of which $3.31 billion is operated drilling and completion, with 16 rigs and five completion crews running (10-Q p. 65). Separately, a director adopted a Rule 10b5-1 plan on March

− - **A second consecutive ceiling-test impairment of $1,400M was recorded, taking cumulative accumulated impairment to $13,006M, or 13.5% of the $96,185M gross oil and gas property balance (10-Q p. 24).** Risk 1 is no longer a hypothesis about a transmission channel; it is the observed mechanism, firing twice in two quarters. The FY2025 warning language is repeated unchanged at 10-Q p. 26, and mana

− - **Underlying cash generation improved while reported cash flow fell.** Operating cash flow before working-capital movements was $2,638M against $2,487M (+6.1%) and free cash flow on the company's own definition was $1,705M against $1,545M (+10.4%), even as reported operating cash flow fell 22.4% to $1,828.0M on a $779M receivables build caused by higher March prices (10-Q p. 63). The cash engine

− - **93% of the $548M buyback — $509M — was bought from the related-party SGF bloc at an implied $169.67 per share, against $146.22 paid for the only $39M of genuine open-market repurchase, executed in January (10-Q pp. 27, 71).** The programme is functioning as an orderly exit for the controlling holder rather than as price-disciplined capital return, which sharpens Risk 4 even as the bloc's stake

− - **The quarter's uses of cash were funded by disposals, not by operations.** Free cash flow of $895.0M did not cover $295M of dividends, $645M of total repurchases including Viper's programme, $120M of NCI distributions, $314M of property acquisitions and a further $45M of other investing outflows — $1,419M in all; the $604M of asset-sale proceeds recorded in the quarter's investing cash flows (a

− - **Unit costs drifted structurally higher.** Lease operating expense rose to $6.21/BOE from $5.33 (+16.5%) and the depletion rate to $14.37/BOE from $13.91 (10-Q pp. 56, 58), with only the workover and winter-storm elements plausibly temporary. Related-party water costs from Deep Blue rose 69% to $142M combined against 15.1% volume growth.

− - **Capital intensity is rising faster than volumes.** The 2026 capital budget was raised 4% to approximately $3.90 billion against a 3% production-guidance increase to ~972 MBOE/d (10-Q pp. 45, 65), while the minimum 50% return-of-capital commitment was removed from Q2 2026 (10-Q p. 65). Capital is being reallocated from shareholders to the drill bit and the balance sheet.

− - **Deleveraging is real and continuing past quarter end.** Net debt fell to $13,724.0M from $14,385.0M; in April the Company retired a further $550M term loan and tendered $777M of 2051/2052 notes for $632M at 81.1% of par (10-Q pp. 42–43), capturing a $145M discount made available by its own notes trading below carrying value ($13,799M fair value against $13,898M carrying, 10-Q p. 41).

− The quarter confirms the thesis without materially changing the arithmetic, and the two facts a reader is most likely to misweigh cut in opposite directions. The headline — $0.08 of diluted EPS against $4.83 — should be discounted almost entirely: strip the $1,400M non-cash charge and EBITDA was $2,809M, +1.4% year over year, while free cash flow on the company's own definition rose 10.4% to $1,70

− The footnote review reinforces rather than softens this. Cumulative impairment now stands at $13,006M against $96,185M of gross properties, and the same forward warning that preceded this charge is repeated verbatim at 10-Q p. 26 with an all-clear extending only to Q2 2026. The buyback composition — $509M from the controlling bloc at $169.67 against $39M in the open market at $146.22 — is a govern

− **Where the quarter cuts against the rating, stated plainly.** Three things genuinely argue for a softer stance than REDUCE, and a reader is entitled to weigh them differently. First, management's explicit statement that it does not expect a further impairment in Q2 2026 removes the nearest downgrade trigger for at least one quarter. Second, the underlying cash performance — +6.1% on pre-working-c

− - **Upgrade condition:** The Q2 FY2026 ceiling test passes without a charge as guided, **and** operating cash flow recovers above $2,300M as the $779M receivables build converts to cash, **and** organic reserve additions in the FY2026 disclosures replace production at least one-for-one. That combination would demonstrate the impairment cycle was price-driven rather than structural, and would move

− - **Downgrade condition:** A third consecutive ceiling-test impairment in Q3 FY2026, **or** net debt rising back above the $14,385M level of Q4 2025 without an accretive acquisition, **or** continued SGF letter-agreement repurchases at prices materially above the Company's own open-market execution while genuine open-market buying stays near the $39M of this quarter. Any of these would move the ac