Quarterly Financial Data

12 Months Ended

Dec. 31, 2020

(19) Quarterly Financial Data (Unaudited):



2020
	First		Second		Third		Fourth		Total
($ in millions, except per share amounts)	Quarter		Quarter		Quarter		Quarter		Year

Revenue	$	1,933	$	1,801	$	1,726	$	1,695	$	7,155

Operating income⁽³⁾	$	272	$	140	$	270	$	277	$	959

Net earnings (loss) attributable to Frontier
common shareholders ⁽²⁾⁽³⁾	$	(186)	$	(181)	$	15	$	(50)	$	(402)

Basic and diluted net earnings (loss) per share attributable
to Frontier common shareholders ^(1)(2)(3)	$	(1.78)	$	(1.73)	$	0.14	$	(0.48)	$	(3.85)

⁽¹⁾The quarterly net loss per share amounts are rounded to the nearest cent. Annual net loss per share may vary depending on the effect of such rounding.

⁽²⁾During 2020, Frontier recorded $409 million in reorganization items, net ($361 million net of tax) in connection with the Restructuring Plan.

⁽³⁾During 2020, we recorded aggregate losses on the disposal of our Northwest Operations of $162 million ($118 million after-tax). Refer to Note 7 for further details



2019
	First		Second		Third		Fourth		Total
($ in millions, except per share amounts)	Quarter		Quarter		Quarter		Quarter		Year

Revenue ⁽³⁾	$	2,101	$	2,067	$	1,997	$	1,942	$	8,107

Operating income (loss) ⁽²⁾⁽³⁾	$	339	$	(5,459)	$	26	$	221	$	(4,873)

Net loss attributable to Frontier
common shareholders ⁽²⁾⁽³⁾	$	(87)	$	(5,317)	$	(345)	$	(162)	$	(5,911)

Basic and diluted net loss per share attributable
to Frontier common shareholders ^(1)(2)(3)	$	(0.84)	$	(51.07)	$	(3.31)	$	(1.55)	$	(56.80)

⁽¹⁾The quarterly net loss per share amounts are rounded to the nearest cent. Annual net loss per share may vary depending on the effect of such rounding.

⁽²⁾During 2019, we recorded aggregate goodwill impairment charges of $5,725 million ($5,201 million after-tax). Refer to Note 8 for further details.

⁽³⁾During 2019, we recorded aggregate losses on the disposal of our Northwest Operations of $446 million ($446 million after-tax). Refer to Note 7 for further details.