The following tables set forth a summary of the Company’s selected quarterly financial information for each of the four quarters ended December 31, 2017 and 2016 (in thousands, except for per share data):


	2017 Quarters
	First			Second			Third			Fourth
Net revenue	$	835,597		$	842,944		$	868,951		$	910,820

Operating expenses:
Practice salaries and benefits		572,385			561,418			586,476			617,455
Practice supplies and other operating expenses		27,796			30,872			29,497			32,353
General and administrative expenses		103,765			103,015			101,430			108,895
Depreciation and amortization		25,614			25,735			25,116			26,414

Total operating expenses		729,560			721,040			742,519			785,117

Income from operations		106,037			121,904			126,432			125,703
Investment and other income		576			365			235			2,777
Interest expense		(17,752	)		(18,535	)		(18,428	)		(19,844	)
Equity (losses) in earnings of unconsolidated affiliate		797			689			(240	)		(294	)

Total non-operating expenses		(16,379	)		(17,481	)		(18,433	)		(17,361	)
Income before income taxes		89,658			104,423			107,999			108,342
Income tax (provision) benefit		(34,967	)		(40,725	)		(42,119	)		27,761

Net income attributable to MEDNAX, Inc.	$	54,691		$	63,698		$	65,880		$	136,103

Per common and common equivalent share data (1):
Net income attributable to MEDNAX, Inc.:
Basic	$	0.59		$	0.69		$	0.71		$	1.47

Diluted	$	0.59		$	0.69		$	0.71		$	1.46

Weighted average common shares:
Basic		92,360			92,181			92,589			92,756

Diluted		93,143			92,812			92,881			93,159

(1)	Basic and diluted per share amounts are computed for each of the periods presented. Accordingly, the sum of the quarterly per share amounts may not agree with the full year amount.


	2016 Quarters
	First			Second			Third			Fourth
Net revenue	$	752,624		$	771,759		$	828,006		$	830,770

Operating expenses:
Practice salaries and benefits		491,811			484,625			521,832			532,952
Practice supplies and other operating expenses		27,046			26,992			31,641			32,737
General and administrative expenses		89,950			92,116			93,457			97,049
Depreciation and amortization		19,584			20,241			24,185			25,254

Total operating expenses		628,391			623,974			671,115			687,992

Income from operations		124,233			147,785			156,891			142,778
Investment and other income		618			410			221			770
Interest expense		(14,463	)		(15,058	)		(17,215	)		(16,356	)
Equity in earnings of unconsolidated affiliate		794			789			796			806

Total non-operating expenses		(13,051	)		(13,859	)		(16,198	)		(14,780	)
Income before income taxes		111,182			133,926			140,693			127,998
Income tax provision		(43,411	)		(51,601	)		(44,272	)		(49,919	)

Net income		67,771			82,325			96,421			78,079
Net loss attributable to noncontrolling interests		128			102			88			—

Net income attributable to MEDNAX, Inc.	$	67,899		$	82,427		$	96,509		$	78,079

Per common and common equivalent share data (2):
Net income attributable to MEDNAX, Inc.:
Basic	$	0.74		$	0.89		$	1.04		$	0.84

Diluted	$	0.73		$	0.89		$	1.04		$	0.84

Weighted average common shares:
Basic		92,269			92,182			92,604			92,728

Diluted		93,091			92,945			93,146			93,347

(2)	Basic and diluted per share amounts are computed for each of the periods presented. Accordingly, the sum of the quarterly per share amounts may not agree with the full year amount.