Microchip Technology Incorporated 2.125% Junior Subordinated Convertible Debentures Due 2037 Convertible Debt Conversion Rate Adjustment Dividend Record Date 2/7/2008 5/12/2008 8/7/2008 11/14/2008 2/13/2009 5/21/2009 8/20/2009 11/18/2009 2/18/2010 5/19/2010 8/19/2010 11/18/2010 12/13/2010 5/19/2011 8/18/2011 11/21/2011 2/21/2012 5/17/2012 8/22/2012 11/21/2012 2/21/2013 5/21/2013 8/21/2013 11/21/2013 2/21/2014 5/21/2014 8/21/2014 11/21/2014 2/23/2015 5/21/2015 9/11/2015 11/20/2015 2/22/2016 5/23/2016 Beginning 3 business days prior Conversion Rate to the record date 29.2783 2/4/2008 29.5742 5/7/2008 29.8366 8/4/2008 30.1584 11/11/2008 30.6478 2/10/2009 31.1918 5/18/2009 31.7108 8/17/2009 32.1283 11/13/2009 32.5417 2/12/2010 32.9544 5/14/2010 33.3607 8/16/2010 33.7620 11/15/2010 34.1111 12/8/2010 34.4383 5/16/2011 34.7365 8/15/2011 35.1132 11/16/2011 35.4501 2/15/2012 35.7905 5/14/2012 36.1901 8/17/2012 36.5491 11/16/2012 36.9925 2/15/2013 37.3481 5/16/2013 37.7027 8/16/2013 38.0436 11/18/2013 38.3572 2/18/2014 38.6588 5/16/2014 38.9573 8/18/2014 39.2544 11/18/2014 39.5749 2/18/2015 39.8555 5/18/2015 40.1485 9/8/2015 40.4715 11/17/2015 40.7888 2/17/2016 41.1350 5/18/2016 Closing Price on date in column C $31.98 $37.53 $31.67 $21.23 $19.44 $20.71 $26.09 $26.76 $27.23 $28.08 $28.86 $33.61 $36.31 $40.31 $32.34 $36.62 $36.70 $31.70 $35.73 $29.37 $37.08 $37.58 $39.51 $43.35 $45.50 $46.40 $47.03 $44.03 $50.71 $48.98 $44.86 $46.08 $42.66 $48.33 Dividend Declared $0.3200 $0.3300 $0.3380 $0.3390 $0.3390 $0.3390 $0.3390 $0.3400 $0.3410 $0.3420 $0.3430 $0.3440 $0.3450 $0.3460 $0.3470 $0.3480 $0.3490 $0.3500 $0.3510 $0.3520 $0.3530 $0.3535 $0.3540 $0.3545 $0.3550 $0.3555 $0.3560 $0.3565 $0.3570 $0.3575 $0.3580 $0.3585 $0.3590 $0.3595 New Conversion Rate 29.5742 29.8366 30.1584 30.6478 31.1918 31.7108 32.1283 32.5417 32.9544 33.3607 33.7620 34.1111 34.4383 34.7365 35.1132 35.4501 35.7905 36.1901 36.5491 36.9925 37.3481 37.7027 38.0436 38.3572 38.6588 38.9573 39.2544 39.5749 39.8555 40.1485 40.4715 40.7888 41.1350 41.4433 Adjusted Conversion Price $33.81 $33.52 $33.16 $32.63 $32.06 $31.53 $31.13 $30.73 $30.34 $29.98 $29.62 $29.32 $29.04 $28.79 $28.48 $28.21 $27.94 $27.63 $27.36 $27.03 $26.78 $26.52 $26.29 $26.07 $25.87 $25.67 $25.47 $25.27 $25.09 $24.91 $24.71 $24.52 $24.31 $24.13 Dividend Declared $0.3570 $0.3575 $0.3580 $0.3585 $0.3590 $0.3595 New Conversion Rate 14.6687 14.7765 14.8954 15.0122 15.1396 15.2530 Adjusted Beginning Conversion Incremental Price Share Factor $68.17 7.2827 $67.67 7.3343 $67.13 7.3883 $66.61 7.4477 $66.05 7.5061 $65.56 7.5698 Microchip Technology Incorporated 1.625% Senior Subordinated Convertible Notes Due 2025 Convertible Debt Conversion Rate Adjustment Dividend Ex Date 2/19/2015 5/21/2015 9/9/2015 11/18/2015 2/18/2016 5/19/2016 Beginning Conversion Rate 14.5654 14.6687 14.7765 14.8954 15.0122 15.1396 1 trading day prior to the ex date 2/18/2014 5/18/2015 9/8/2015 11/17/2015 2/17/2016 5/18/2016 Closing Price on date in column C $50.71 $48.98 $44.86 $46.08 $42.66 $48.33 Adjusted Incremental Share Factor 7.3343 7.3883 7.4477 7.5061 7.5698 7.6265