X0303 4 2011-02-25 0 0001075531 PRICELINE COM INC PCLN 0001214607 MYLOD ROBERT J JR 800 CONNECTICUT AVENUE NORWALK CT 06854 0 1 0 0 Vice Chairman Common Stock 2011-02-25 4 S 0 1500 460.85 D 89969 D Common Stock 2011-02-25 4 S 0 1665 461.97 D 88304 D Common Stock 2011-02-25 4 S 0 4900 462.88 D 83404 D Common Stock 2011-02-25 4 S 0 5183 463.86 D 78221 D Common Stock 2011-02-25 4 S 0 2383 464.75 D 75838 D Common Stock 2011-02-25 4 S 0 35 465.74 D 75803 D Common Stock 2011-02-28 4 S 0 1245 450.96 D 74558 D Common Stock 2011-02-28 4 S 0 1700 452.06 D 72858 D Common Stock 2011-02-28 4 S 0 2455 453.09 D 70403 D Common Stock 2011-02-28 4 S 0 2600 453.91 D 67803 D Common Stock 2011-02-28 4 S 0 1200 455.07 D 66603 D Common Stock 2011-02-28 4 S 0 900 456.16 D 65703 D Common Stock 2011-02-28 4 S 0 300 457.57 D 65403 D Common Stock 2011-02-28 4 S 0 200 458.35 D 65203 D Common Stock 2011-02-28 4 S 0 300 459.64 D 64903 D Common Stock 2011-02-28 4 S 0 500 461.00 D 64403 D Common Stock 2011-02-28 4 S 0 100 462.86 D 64303 D 2008 Performance Share Units 12548 D 2010 Performance Share Units 12192 D Restricted Stock Units 19358 D The shares were sold pursuant to two sales plans, dated November 17, 2010 and November 18, 2010, that comply with the requirements of Rule 10b5-1(c)(1) under the Securities and Exchange Act of 1934, as amended. Represents the weighted average sales price. The range of prices received for the reported transactions was $460.26 - $461.16. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $461.35 - $462.30. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $462.36 - $463.34. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $463.36 - $464.32. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $464.39 - $465.37. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $450.44 - $451.41. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $451.515 - $452.43. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $452.51 - $453.50. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $453.51 - $454.50. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $454.56 - $455.49. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $455.71 - $456.56. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $457.00 - $457.85. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $458.00 - $458.69. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $459.34 - $460.18. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents the weighted average sales price. The range of prices received for the reported transactions was $460.685 - $461.65. Upon request by the Commission staff, priceline.com will provide full information regarding the number of shares sold at each separate price. Represents "target" number of performance share units outstanding. The shares are scheduled to vest on March 1, 2011. The actual number of shares issued, if any, could increase or decrease depending on certain performance factors. Represents "target" number of restricted stock units outstanding. The actual number of shares issued, if any, could decrease depending on certain performance factors. /s/ Robert J. Mylod, Jr. 2011-03-01