X0206 3 2013-05-20 0 0000913077 AFFYMETRIX INC AFFX 0001577539 Wood Gavin C/O AFFYMETRIX, INC. 3420 CENTRAL EXPRESSWAY SANTA CLARA CA 95051 0 1 0 0 Chief Financial Officer Common Stock 16412 D Option to Purchase Common Stock 24.66 2013-11-29 Common Stock 4200 D Option to Purchase Common Stock 25.71 2014-06-06 Common Stock 600 D Option to Purchase Common Stock 10.29 2015-06-23 Common Stock 4200 D Option to Purchase Common Stock 8.71 2015-08-21 Common Stock 2000 D Option to Purchase Common Stock 2.97 2016-02-19 Common Stock 5000 D Option to Purchase Common Stock 8.29 2016-08-20 Comon Stock 6000 D Option to Purchase Common Stock 4.22 2017-08-19 Common Stock 4900 D Option to Purchase Common Stock 5.31 2018-02-17 Common Stock 5200 D Option to Purchase Common Stock 4.85 2018-11-17 Common Stock 4000 D Option to Purchase Common Stock 4.16 2019-07-26 Common Stock 5000 D Option to Purchase Common Stock 3.91 2019-08-30 Common Stock 5000 D Option to Purchase Common Stock 3.77 2020-02-07 Common Stock 8000 D Option to Purchase Common Stock 3.77 2020-02-07 Common Stock 22000 D Includes the following restricted stock units ("RSUs"), each of which vests in equal anual installments over four years from the grant date, less the number of shares withheld for tax purposes on subsequent scheduled vesting date(s) on or before May 20, 2013 ("Shares Withheld"): (1) 1,225 RSUs granted on August 19, 2010 less 289 Shares Withheld, (2) 1,400 RSUs granted on February 17, 2011 less 294 Shares Withheld, (3) 6,000 RSUs granted on November 17, 2011 less 630 Shares Withheld, (4) 1,500 RSUs granted on July 26, 2012, (5) 1,500 RSUs granted on Augst 30, 2012 and (6) 6,000 RSUs granted on February 7, 2013. Stock option becomes exercisable in equal annual installments over four years from the grant date of November 29, 2006. Stock option becomes exercisable in equal annual installments over four years from the grant date of June 6, 2007. Stock option becomes exercisable in equal annual installments over four years from the grant date of June 23, 2008. Stock option becomes exercisable in equal annual installments over four years from the grant date of August 21, 2008. Stock option becomes exercisable in equal annual installments over four years from the grant date of February 19, 2009. Stock option becomes exercisable in equal annual installments over four years from the grant date of August 20, 2009. Stock option becomes exercisable in equal annual installments over four years from the grant date of August 19, 2010. Stock option becomes exercisable in equal annual installments over four years from the grant date of February 17, 2011. Stock option becomes exercisable in equal annual installments over four years from the grant date of November 17, 2011. Stock option becomes exercisable in equal annual installments over four years from the grant date of July 26, 2012. Stock option becomes exercisable in equal annual installments over four years from the grant date of August 30, 2012. Stock option becomes exercisable in equal annual installments over four years from the grant date of February 7, 2013. /s/ Siang H. Chin, Attorney-in-Fact for Gavin Wood 2013-05-30