X0202 4 2006-07-13 0 0001319439 Adams Respiratory Therapeutics, Inc. ARXT 0001203721 CALHOUN KIRK K 11777 SAN VICENTE BLVD STE 530 WEST LOS ANGELES CA 90024 1 0 0 0 Common Stock 2006-07-13 4 A 0 294 0.00 A 1305 D The restricted units will vest in full on the first annual stockholders' meeting following the date of grant, or earlier in the case of certain terminations or change in control events. Upon vesting, the restricted stock units will automatically convert into deferred stock units, which will not be converted into our common stock until six months following a director's termination of board service. /s/ Brad Cole, Attorney-in-fact 2006-07-17