X0202 4 2008-01-29 1 0001319439 Adams Respiratory Therapeutics, Inc. ARXT 0001203721 CALHOUN KIRK K 201 OCEAN AVENUE #B1004 SANTA MONICA CA 90402 1 0 0 0 Common Stock 2008-01-29 4 D 0 3184 60.00 D 0 D Stock Option (Right to Buy) 32.29 2008-01-29 4 D 0 4000 0.00 D 2015-10-03 Common Stock 4000 0 D Stock Option (Right to Buy) 40.85 2008-01-29 4 D 0 4000 0.00 D 2016-12-15 Common Stock 4000 0 D Stock Option (Right to Buy) 59.86 2008-01-29 4 D 0 4000 0.00 D 2017-12-14 Common Stock 4000 0 D Stock Option (Right to Buy) 42.55 2008-01-29 4 D 0 4000 0.00 D 2015-12-14 Common Stock 4000 0 D These securities were cancelled pursuant to the Agreement and Plan of Merger, dated as of December 10, 2007, by and among the Issuer, Reckitt Benckiser Group plc and Twickenham Inc. in exchange for a cash payment in the amount of $60.00 per share. These options were cancelled pursuant to the Agreement and Plan of Merger, dated as of December 10 2007, by and among the Issuer, Reckitt Benckiser Group plc and Twickenham Inc. in exchange for a cash payment in the amount of $60.00 per share less the exercise price of the option. The options vest in three equal annual installments, beginning October 3, 2006. The options will fully vest on the first annual stockholders' meeting following the date of grant, or earlier in the case of certain terminations or change in control events. /s/ Brad Cole, Attorney-in-fact 2008-01-30