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CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
SALES AND OPERATING REVENUES: |  |  |  |
Revenues | $ 616,501 | $ 362,443 | $ 1,077,364 | $ 681,065
EXPENSES: |  |  |  |
Outside coal purchases | 151 | 114 | 151 | 114
General and administrative | 22,457 | 17,492 | 41,053 | 32,996
Depreciation, depletion and amortization | 66,734 | 64,733 | 130,048 | 123,935
Total operating expenses | 441,229 | 307,436 | 814,257 | 589,730
INCOME FROM OPERATIONS | 175,272 | 55,007 | 263,107 | 91,335
Interest expense (net of interest capitalized for the three and six months ended June 30, 2022 and 2021 of $171, $105, $241 and $191, respectively) | (9,397) | (9,842) | (19,059) | (20,238)
Interest income | 93 | 15 | 128 | 32
Equity method investment income | 1,585 | 341 | 2,468 | 403
Other income (expense) | 579 | (1,351) | 1,145 | (2,548)
INCOME BEFORE INCOME TAXES | 168,132 | 44,170 | 247,789 | 68,984
INCOME TAX EXPENSE (BENEFIT) | 6,331 | 5 | 49,046 | (7)
NET INCOME | 161,801 | 44,165 | 198,743 | 68,991
LESS: NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTEREST | (323) | (130) | (613) | (208)
NET INCOME ATTRIBUTABLE TO ARLP | $ 161,478 | $ 44,035 | $ 198,130 | $ 68,783
EARNINGS PER LIMITED PARTNER UNIT - BASIC (in dollars per unit) | $ 1.23 | $ 0.34 | $ 1.51 | $ 0.53
EARNINGS PER LIMITED PARTNER UNIT - DILUTED (in dollars per unit) | $ 1.23 | $ 0.34 | $ 1.51 | $ 0.53
WEIGHTED-AVERAGE NUMBER OF UNITS OUTSTANDING - BASIC (in units) | 127,195,219 | 127,195,219 | 127,195,219 | 127,195,219
WEIGHTED-AVERAGE NUMBER OF UNITS OUTSTANDING - DILUTED (in units) | 127,195,000 | 127,195,000 | 127,195,000 | 127,195,000
Product |  |  |  |
EXPENSES: |  |  |  |
Operating expenses (excluding depreciation, depletion and amortization) | $ 316,502 | $ 213,039 | $ 578,248 | $ 409,559
Coal sales |  |  |  |
SALES AND OPERATING REVENUES: |  |  |  |
Revenues | 531,807 | 325,974 | 920,167 | 613,461
Oil & gas royalties |  |  |  |
SALES AND OPERATING REVENUES: |  |  |  |
Revenues | 35,927 | 17,114 | 66,854 | 31,113
Transportation |  |  |  |
SALES AND OPERATING REVENUES: |  |  |  |
Revenues | 35,385 | 12,058 | 64,757 | 23,126
EXPENSES: |  |  |  |
Operating expenses (excluding depreciation, depletion and amortization) | 35,385 | 12,058 | 64,757 | 23,126
Other revenues |  |  |  |
SALES AND OPERATING REVENUES: |  |  |  |
Revenues | $ 13,382 | $ 7,297 | $ 25,586 | $ 13,365

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