The following table sets forth the computation of basic and diluted loss per common share (EPS) (in millions, except share and per share amounts):


	Three Months Ended March 31,
	2022		2021
Basic and diluted EPS:
Net loss	$	(1,635)	$	(1,250)
Weighted average common shares outstanding (in thousands)	649,503		634,609
Basic and diluted EPS	$	(2.52)	$	(1.97)

Securities that could potentially dilute EPS in the future, and which were excluded from the calculation of diluted EPS because inclusion of such shares would be antidilutive, are as follows (in thousands):


	Three Months Ended March 31,
	2022	2021
6.50% convertible senior notes	61,728	61,728
Restricted stock unit awards	3,933	3,255
PSP1 Warrants (1)	3,724	4,957
Treasury Loan Warrants (2)	1,161	1,545
PSP2 Warrants (3)	520	520

(1)Pursuant to the payroll support program established under the CARES Act (PSP1), AAG issued to Treasury warrants (PSP1 Warrants) to purchase up to an aggregate of approximately 14.1 million shares of AAG common stock for an exercise price of $12.51 per share, subject to adjustment.

(2)Pursuant to the Loan and Guarantee Agreement with Treasury (the Treasury Loan Agreement), AAG issued to Treasury warrants (Treasury Loan Warrants) to purchase up to an aggregate of approximately 4.4 million shares of AAG common stock for an exercise price of $12.51 per share, subject to adjustment.

(3)Pursuant to PSP2, AAG issued to Treasury warrants (PSP2 Warrants) to purchase up to an aggregate of approximately 6.6 million shares of AAG common stock for an exercise price of $15.66 per share, subject to adjustment.