!
+ 4 " $ % & $ # % " ( 6 - ( " - % - % % 0 7 6 % " $ ,
6&8!5&8%$)&25657%&8&"8%(/!6!%,(1968)%9!&.127%$)&25657%&.8%(/!6%&65&&*%.3&-1.%$486!%6!.7%8!"8%&"!%&6&&4("
6!1&&68$7)%$)"#5"%1995-7!%,9!&.127%$)&2565"%$2"!)+"%"0*%(7#1%&6+(2'$%1972%6.87%.(1970)%9(2*!!6(!.%62&*(7&.!/7
.$)"#5$%8/(7%-5!4%&./%2007%6.85%.(6&.85
.6!.&!'5!%6!..!#5%"8%#!+&2!%()#5"%&"/(8&$%-!0&/$%8/(7%-5!4!%,)"!+%"/(8&%8"4%6&.!&.12-""1$%$(-6)$%"4%-)+!5%&./
.$/(!$7%6!.&&2'$%"4%!/.)'0%*(+7%&6&1:
,6&/2&*(7&.!/%$/(!$%-%;!.&#7%;3&+(0%"8%6&"(2)+*%$(!6%,6!&"&"8%&/%6!'&(25%-%$)&25657%:3$%&"8%3&&()&4$%()#5$%&5!#6
(8%3$5%-#/)%9!&.127%3&(!*+!(+%3$&.&7%,3&5"685$%()&47!%&6-5&"8%3&2.-!2*$%:6&()&4$%&65!(6%.6!&6(&'&!%6!..!#5
.6!(#/%6!/2&*(7&.!/7!%(4-5$
! 2 % / & - & % - % % . ) " ( . 3 ( 8
6""157%$)&2565"%$'(51%8585%&./%3!&$%-4!%1991%6.85%."/(8&"%&6&"4%1989%6.8%,!*7%.($.&/()!/)%$'&.&!%(&47%&6-"!.
.9!&.12$%3425%"6!.&&!'5!%&!'&5"%2)&!(+%6(0*57%$)&2565"%3&(!5%$#.5%&./%,91%!51%./"67%;!.&#"%&)*.&!"
&7/%(!*+!(+!%!''&!)%*&(!7%(''-%6&&#.$7%,"6!&2565%6!&47%9!(6+7%3&&26*/%3&27&$"%/8!.7%,2(!2)!-$%6/%&6"#6$%2006-7
3&-&5"6$%"8%36!*#&&6$%"4%4&+8$"%$)&25657%3&&26*/$%3&27&$$%680-$%$"!1&%-'&1%9#!7%&./%&"8%()#57%.95(7
.4!')5$%6/%7!$/"%3$"%3!(0"!%$)&256578%&+!&$%6/%6!/("%3&-&5"6%;.#"%/!$%-4&$%.4!')5"
!
& " $ 9 - / 1 " $ % 5 0 & # % " " 8 % - % 0 7 6 % 5 " $ ,
2(!2)!-"%&6185$%385!%,7&7/-"6%62&*(7&.!/7%3&&#$%&4-5"%$2"!)+$%"8%3&.&&2'5$%"!"*57%6&5-)/$%&1(-%6/%&6"#6$
"4-5$%6!8-#"%&-*&&5%9&7%&6&&$!%3&.!8%3&.!6&47%&("!+!+-4-5%&61(4!%&6761%"&7)57%.95'&!%9!157%3&4-5$%6/(!$7%(&8&
.3&.2.2)%3&-"&%&.8"%/5/!%,&2(+%()!#"%$/!8.%&./%."*7!"0"7%&4!78%&("!+!+-4-5%(!2%676!1%&./%3!&$%."":
,3&-5!"$%"8%3&&6&5/%3&1('%"4%$-&5"$%6/%**7"%&-1%,7#($%(!7&'$!%3&-&5"6%7()7%4-57%9&&.4$%&5!#6%6/%6()!#%&./
)!*&47!%,9&&.4%61(4$"%6!8-#%6!&6!51%6!&0!"!-!657%8!5&87%-%6&()&4$%&65!(6%.6(!8)67%4-5$%0!'&&7%-!/5%6.&&.465!
*&*7%$.)58%,"6(!8)67%4-5"%*(!)$!%($:%9!&"&07%26%'54%!/()%/8!.7%&6.0(/8%*.1$%.<(/7%6(!8)67%4-5$%3!#67%&5-)/$
.$:%7!8#%9!!&17%3&.!8/(%3&-4'%3$%,6(!8)6$%6!4'5/7%7#($%(!7&'"%3&&4-5%3&(*5%6(74$"%&845!%&2(!/&6
& 7 , % 5 & 0 7 % - % 5 & . ) " ( . 3 ( 8
9!1&67%$&0!"!&7%6-5"5%&./%.9!&.127%3&4-5$%6/(!$"%$)"#57%-%&.8%(/!6"!%,3&.(!/%6""157%$&0!"!&77%9!8/(%(/!6"%&6-5"
.$718%6:1(5!%61.#5%,$.8%18%$:5%(!0&7%"9!"!7:%"5(1"
3&&)%.$&0!"!&77%65&&)$%3&-!5&"$%6&.1!6%6/(!$7%37!"&8!%,3$&6!"/8%&+%"4%3&-&5"6%"8%9&&.4%&5!#6%(!6&/7%6)*!4%&./
6/%(&70&%$/(!$7%3&-&5"6$%"8%9&&.4$%&5!#6%"8%37!"&8%."4!+7%3&-5"5%!.#./8%$5%9&7!%3&-&5"6%9&&.458%$5%9&7%)6.
.3&08&$$%6/!%$.7$$%6/%(+8&%;1!%,-!5""%3$"8%$&'!!&2!5$
!
& " ( 8 % 5 & 8 ( * & % " ( 6 - ( " - % - % 0 7 6 % 5 " $ ,
-%(3&4-5$%6/(!$)%&8&"8%(/!6!%(3&&#$%&4-5)%&.8%(/!6%;6&(74$%$2&*(7&.!/7%&6&84%($&5&1!&7-$&5&1)%9!8/($%(/!6$%6/
."!$&.!%$&&846%6*-.$"%$2"!)+$5%&(!-%7-%(!*+!(+"%$/!8.%,6!-1.%&68"%/67*!%6!.7%47(/"%/5/%&./%.4-5"%95'&!%9!157
.$7&8#%6!&!.5!&5%"8%$1(4$!%,$&':&"/!:&!%,3&4-5!%$&5&1%6/(!$7%3&)*!4%&()#5
3"!47%.$&5&17%6!(07$%6.&#7%"8%$1(4$%6!2&8!%$/(!$%6!2&8%"8%3&27&$7%7#(.%&0!0-+%&!.&8%/&$%,"/(8&7%,6&()&4$%&65!(6
$.7$$!%4-&$%65(%"4%$&':&"/!:&!!%6!&0!"!.12%6(&64%$7&7*7%$"&4+%$-&5"%9&7%7!"&8$%"8%#!!2$%61!(/%$4+8$$%()#%-
,,*!.%()#5%.6!&2.05!(2)"/7%&*&*7%*(!)%3&-5!"$%,
MIT
-7%9!8/(%(/!6"%3&2.-!2*%7()7%$84.%$:%()#5%.3&2.-!2*%"8
.6!7(%6!..!#5%6!.7%$'&5#5%3&..!#5%9!#7&/"%65&&)$%$2&8$%&1%$/(5%,6&(74$%$2&*(7&.!/$5%($!:%6.4%(!*+!(+%,!6&87
0 & 7 " $ # % & 0 " & ' % - % 5 & . ) " ( . 3 ( 8
(/!6%.9!&.127%$&5&1"!%$&0"!&7"%$2"!)+"%,6!85$%,$7&7*$%&4-5%"!"*57%-%9!8/(%(/!6%.9!&(8%61&(-51%&66(&8%/7'7
.6!.7%&68"%3/!%$/!8.%&./%.<&7!)8($%6&(!/%("-!%&(!-%6&-!$&%(!*+!(+%6&&#.$7%(&8&%"!"*57%-%&8&"8
3&-&5"6"%6&7&2)(2/%/&$8%-!5&"%6-&#&%-%"$&5&1%"8%342"%$-&#&$%6-&5"7%3&-&5"6!%3&(!5%6(&)#7%-)565%&"8%2(!2)!-$
.3&&("!)"!5%3&0!'&%9&7%(745!%$&5&17%$.7$%6!5(%#!6&.%"4%%**765%()#5$%.3!&-3!&%&&#!%$(7#%,$.!:6"%$(!8)%$6!&$%"87
47...,10,11,12,13,14,15,16,17,18,19 2,3,4,5,6,7,8,1