Diamondback Energy — May 4, 2026 release

2026 Guidance 2026 Guidance Diamondback Energy, Inc. Viper Energy, Inc. 2026 Net production - MBOE/d 972+ ( from 926 - 962) 126.0 - 130.0 2026 Oil production - MBO/d 520+ (from 500 - 510) 64.5 - 66.5 Q2 2026 Oil production - MBO/d (total - MBOE/d) 515 - 525 (950 - 990) 64.0 - 65.0 (124.0 - 126.0) Unit costs ($/BOE) Lease operating expenses, including workovers $5.90 - $6.40 G&A Cash G&A $0.55 - $0.70 $0.70 - $0.90 Non-cash equity-based compensation $0.20 - $0.30 $0.10 - $0.20 DD&A $14.00 - $15.00 (from $14.50- $15.50) $16.25 - $18.25 Interest expense (net of interest income) $0.50 - $0.70 (from $0.70- $0.90) $1.90 - $2.40 Gathering, processing and transportation $1.50 - $1.70 Production and ad valorem taxes (% of revenue) ~7% ~7% Corporate tax rate (% of pre-tax income) 23% Cash tax rate (% of pre-tax income) (1) 18% - 21% 27% - 30% Q2 2026 Cash taxes ($ - million) $440 - $500 $40.0 - $48.0 Cash Capital Budget ($ - million) Operated drilling and completion ~$3,310 (from ~$3,160 ) 2026 Total capital expenditures (2) ~$3,900 (from ~$3,750) Q2 2026 Capital expenditures $925 - $1,025 Average lateral length (Ft.) ~12,900' Net lateral footage completed (1,000's of Ft.) 6,100' - 6,500' (from 5,900' - 6,300') (1) Pre-tax income attributable to the Company is a non-GAAP measure. We are not able to forecast the most directly comparable GAAP measure - Income (loss) before income taxes - due to high variability and difficulty in predicting certain items tha