X0303 4 2011-03-02 0001011570 KNOLL INC KNL 0001310413 Graves Arthur C C/O KNOLL, INC. 1235 WATER STREET EAST GREENVILLE PA 18041 0 1 0 0 Exec.V.P.-Sales & Distribution Common Stock 2011-03-02 4 M 0 8750 10.24 A 116136 D Common Stock 2011-03-02 4 S 0 690 20.20 D 115446 D Common Stock 2011-03-02 4 S 0 100 20.21 D 115346 D Common Stock 2011-03-02 4 S 0 414 20.22 D 114932 D Common Stock 2011-03-02 4 S 0 200 20.23 D 114732 D Common Stock 2011-03-02 4 S 0 799 20.25 D 113933 D Common Stock 2011-03-02 4 S 0 100 20.26 D 113833 D Common Stock 2011-03-02 4 S 0 200 20.27 D 113633 D Common Stock 2011-03-02 4 S 0 450 20.28 D 113183 D Common Stock 2011-03-02 4 S 0 511 20.29 D 112672 D Common Stock 2011-03-02 4 S 0 500 20.30 D 112172 D Common Stock 2011-03-02 4 S 0 400 20.31 D 111772 D Common Stock 2011-03-02 4 S 0 600 20.33 D 111172 D Common Stock 2011-03-02 4 S 0 300 20.34 D 110872 D Common Stock 2011-03-02 4 S 0 699 20.35 D 110173 D Common Stock 2011-03-02 4 S 0 400 20.36 D 109773 D Common Stock 2011-03-02 4 S 0 300 20.37 D 109473 D Common Stock 2011-03-02 4 S 0 700 20.38 D 108773 D Common Stock 2011-03-02 4 S 0 987 20.41 D 107786 D Common Stock 2011-03-02 4 S 0 300 20.42 D 107486 D Common Stock 2011-03-02 4 S 0 100 20.43 D 107386 D Common Stock 2011-03-03 4 S 0 200 20.55 D 107186 D Common Stock 2011-03-03 4 S 0 1800 20.56 D 105386 D Common Stock 2011-03-03 4 S 0 700 20.57 D 104686 D Common Stock 2011-03-03 4 S 0 1800 20.58 D 102886 D Common Stock 2011-03-03 4 S 0 4491 20.59 D 98395 D Common Stock 2011-03-03 4 S 0 8064 20.60 D 90331 D Common Stock 2011-03-03 4 S 0 1002 20.61 D 89329 D Common Stock 2011-03-03 4 S 0 2193 20.62 D 87136 D Common Stock 2011-03-03 4 S 0 1306 20.63 D 85830 D Employee Stock Option (Right to Buy) 10.24 2011-03-02 4 M 0 8750 0 D 2016-10-20 Common Stock 8750 26250 D These stock options are a portion of the stock options that vest in four annual installments beginning on the first anniversary of October 20, 2009. These stock options expire on October 20, 2016. 1 of 2 Forms 4 /s/Michael A. Pollner, Attorney-in-Fact 2011-03-04