4/30/01 Neutral Posture Ergonomics Inc. SC 13E3/A 1:8K Neutral Posture Ergonomics Inc. RR Donnelley David W Ebner³ Gregory A Katt³ Jaye E Congleton³ Mark E Benden³ Neutral Posture Ergon. Posture³ Neutral Posture Ergonomics Inc.³ Rebecca E Boenigk³ Thomas G Peterson³ 3/30/01 Neutral Posture Ergonomics Inc. SC 13E3/A 2:19M Neutral Posture Ergonomics Inc. RR Donnelley David W Ebner³ Gregory A Katt³ Jaye E Congleton³ Mark E Benden³ Neutral Posture Ergonomics Inc.³ Neutral Posture Ergonomics Mer³ Rebecca E Boenigk³ Thomas G Peterson³ 2/14/01 Neutral Posture Ergonomics Inc. SC 13E3 1:30K Neutral Posture Ergonomics Inc. RR Donnelley David W Ebner³ Gregory A Katt³ Jaye E Congleton³ Mark E Benden³ Neutral Posture Ergonomics Inc.³ Neutral Posture Ergonomics Merger Co. Inc.³ Rebecca E Boenigk³ Thomas G Peterson³