Merck & Co., Inc. Options

Symbol	Strike	Price	Change $	Bid	Ask	Volume	Open Interest
MRK130524C00042000	42.00	4.300	+0.00	4.500	4.600	0	20
MRK130524C00042500	42.50	4.900	+0.00	4.000	4.150	0	193
MRK130524C00043000	43.00	2.380	+0.00	3.500	3.650	0	338
MRK130524C00043500	43.50	3.350	+0.00	3.000	3.150	0	206
MRK130524C00044000	44.00	2.950	-0.20	2.540	2.610	52	121
MRK130524C00044500	44.50	2.460	-0.04	2.040	2.140	71	70
MRK130524C00045000	45.00	3.020	+0.91	1.550	1.620	4	429
MRK130524C00045500	45.50	1.620	-0.14	1.110	1.180	102	813
MRK130524C00046000	46.00	1.000	-0.30	0.6600	0.7300	183	850
MRK130524C00046500	46.50	0.4200	-0.51	0.3300	0.3800	90	673
MRK130524C00047000	47.00	0.2400	-0.21	0.1500	0.1800	575	2,041
MRK130524C00047500	47.50	0.0700	-0.28	0.0400	0.0700	1,662	1,757
MRK130524C00048000	48.00	0.0500	-0.11	0.0200	0.0500	2,809	294
MRK130524C00048500	48.50	0.0500	-0.03	0.0100	0.0400	915	13
MRK130524C00049000	49.00	0.0400	-0.01	0.0100	0.0400	923	599
MRK130524C00049500	49.50	N/A	+0.00	0.0100	0.0400	0	0
MRK130524C00050000	50.00	0.0100	+0.00	0.0100	0.0300	15	0
MRK130524C00050500	50.50	N/A	+0.00	N/A	0.0300	0	0
MRK130524C00051000	51.00	N/A	+0.00	N/A	0.0200	0	0

PUT Options - May 24 2013

Symbol	Strike	Price	Change $	Bid	Ask	Volume	Open Interest
MRK130524P00042000	42.00	N/A	+0.00	0.0100	0.0200	0	0
MRK130524P00042500	42.50	0.0200	+0.00	0.0200	0.0300	0	2
MRK130524P00043000	43.00	0.0200	+0.00	0.0100	0.0300	0	2
MRK130524P00043500	43.50	N/A	+0.00	0.0100	0.0500	0	0
MRK130524P00044000	44.00	0.0600	+0.00	0.0100	0.0300	0	128
MRK130524P00044500	44.50	0.0800	+0.00	0.0100	0.0400	0	388
MRK130524P00045000	45.00	0.0400	+0.01	0.0100	0.0400	80	1,041
MRK130524P00045500	45.50	0.0400	-0.02	0.0300	0.0600	10	1,484
MRK130524P00046000	46.00	0.0600	-0.04	0.1100	0.1400	110	1,455
MRK130524P00046500	46.50	0.2300	+0.06	0.2700	0.3000	257	763
MRK130524P00047000	47.00	0.4900	+0.22	0.5600	0.6100	432	1,711
MRK130524P00047500	47.50	0.7800	+0.22	0.9600	1.010	285	155
MRK130524P00048000	48.00	1.230	-0.65	1.430	1.490	994	13
MRK130524P00048500	48.50	1.030	-0.76	1.890	1.980	37	24
MRK130524P00049000	49.00	1.950	+0.00	2.400	2.480	0	24
MRK130524P00049500	49.50	N/A	+0.00	2.000	3.050	0	0
MRK130524P00050000	50.00	N/A	+0.00	2.500	3.550	0	0
MRK130524P00050500	50.50	N/A	+0.00	2.980	4.150	0	0
MRK130524P00051000	51.00	N/A	+0.00	3.400	4.550	0	0

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