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Symbol & Strike	Last	Chng	%Chng	High	Low	Bid	Ask	Volume	Open Int
Calls							Days until expiration: 10
REGN Feb 20 2010 5.00	—	—	—	—	—	20.60	21.90	—	—
REGN Feb 20 2010 7.50	—	—	—	—	—	18.00	19.40	—	—
REGN Feb 20 2010 10.00	11.40	1.20	11.76	11.40	11.40	15.60	16.90	1	—
REGN Feb 20 2010 12.50	—	—	—	—	—	13.50	14.30	—	—
REGN Feb 20 2010 15.00	—	—	—	—	—	11.00	11.80	—	—
REGN Feb 20 2010 17.50	8.70	6.25	255.10	8.70	8.70	8.50	9.10	2	7
REGN Feb 20 2010 20.00	5.40	-1.10	-16.92	5.40	5.40	6.00	6.60	5	121
REGN Feb 20 2010 22.50	4.10	0.50	13.89	4.10	3.70	3.60	3.90	58	391
REGN Feb 20 2010 25.00	1.27	-1.23	-49.20	1.40	1.27	1.40	1.75	51	291
REGN Feb 20 2010 30.00	0.20	0.05	33.33	0.20	0.15	0.05	0.15	155	1,057
REGN Feb 20 2010 35.00	0.10	-0.20	-66.67	0.10	0.10	0.05	0.15	10	16

Symbol & Strike	Last	Chng	%Chng	High	Low	Bid	Ask	Volume	Open Int
Puts						Bold and highlighted options are "At the Money"
REGN Feb 20 2010 5.00	—	—	—	—	—	—	0.15	—	—
REGN Feb 20 2010 7.50	—	—	—	—	—	0.05	0.15	—	—
REGN Feb 20 2010 10.00	0.60	—	—	0.60	0.60	0.05	0.15	—	10
REGN Feb 20 2010 12.50	0.30	—	—	0.30	0.30	0.05	0.15	10	16
REGN Feb 20 2010 15.00	0.05	-0.05	-50.00	0.05	0.05	0.05	0.15	10	131
REGN Feb 20 2010 17.50	0.05	-0.05	-50.00	0.05	0.05	0.05	0.05	10	276
REGN Feb 20 2010 20.00	0.15	-0.10	-40.00	0.15	0.15	0.05	0.10	10	58
REGN Feb 20 2010 22.50	0.10	-0.05	-33.33	0.10	0.10	0.05	0.15	8	628
REGN Feb 20 2010 25.00	0.35	-0.40	-53.33	0.40	0.35	0.15	0.40	47	944
REGN Feb 20 2010 30.00	4.20	1.70	68.00	4.20	4.20	3.50	4.00	2	33
REGN Feb 20 2010 35.00	—	—	—	—	—	8.40	9.00	—	—
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Feb 2010: Calls and Puts