TRANSOCEAN LTD

Ticker: RIG CUSIP: H8817H100 Class: Common Stock

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

Note: Option positions (PUT/CALL) are excluded.

Q2 2020

Shares 210,270 Value ($000) $385 Avg Close $1.55 Range $0.76 - $3.82

Q1 2020

Shares 159,500 Value ($000) $185 Avg Close $3.90 Range $1.01 - $7.28

Q4 2019

Shares 169,200 Value ($000) $1,164 Avg Close $5.15 Range $3.98 - $7.09

Q3 2019

Shares 166,900 Value ($000) $746 Avg Close $5.30 Range $3.76 - $6.77

Q2 2019

Shares 150,300 Value ($000) $963 Avg Close $7.43 Range $5.28 - $9.79

Q1 2019

Shares 180,500 Value ($000) $1,572 Avg Close $8.57 Range $6.54 - $9.69

Q4 2018

Shares 180,400 Value ($000) $1,252 Avg Close $10.19 Range $6.19 - $14.47

Q3 2018

Shares 158,900 Value ($000) $2,217 Avg Close $12.42 Range $10.40 - $14.34

Q2 2018

Shares 161,600 Value ($000) $2,172 Avg Close $12.31 Range $9.36 - $14.16

Q1 2018

Shares 158,900 Value ($000) $1,573 Avg Close $10.30 Range $8.70 - $12.40

Q4 2017

Shares 140,600 Value ($000) $1,502 Avg Close $10.38 Range $9.33 - $11.78

Q3 2017

Shares 147,100 Value ($000) $1,583 Avg Close $8.61 Range $7.20 - $10.84

Q2 2017

Shares 127,848 Value ($000) $1,052 Avg Close $10.21 Range $7.67 - $13.04

Q1 2017

Shares 127,848 Value ($000) $1,592 Avg Close $13.74 Range $11.69 - $16.16

Q4 2016

Shares 127,348 Value ($000) $1,877 Avg Close $11.85 Range $9.10 - $16.66

Q3 2016

Shares 119,900 Value ($000) $1,278 Avg Close $10.57 Range $8.68 - $13.03

Q2 2016

Shares 119,300 Value ($000) $1,418 Avg Close $10.23 Range $8.34 - $12.05

Q1 2016

Shares 117,800 Value ($000) $1,077 Avg Close $9.94 Range $7.67 - $13.48

Q4 2015

Shares 116,900 Value ($000) $1,447 Avg Close $14.42 Range $11.95 - $17.19

Q3 2015

Shares 123,300 Value ($000) $1,593 Avg Close $13.88 Range $11.26 - $16.20

Q2 2015

Shares 132,500 Value ($000) $2,136 Avg Close $18.01 Range $14.44 - $21.90

Q1 2015

Shares 131,400 Value ($000) $1,928 Avg Close $16.21 Range $13.28 - $20.65

Q4 2014

Shares 140,300 Value ($000) $2,572 Avg Close $24.98 Range $15.97 - $32.41

Q3 2014

Shares 139,600 Value ($000) $4,463 Avg Close $39.12 Range $31.76 - $45.21

Q2 2014

Shares 139,400 Value ($000) $6,277 Avg Close $42.54 Range $39.41 - $46.12

Q1 2014

Shares 138,500 Value ($000) $5,726 Avg Close $43.48 Range $38.47 - $49.58

Q4 2013

Shares 137,800 Value ($000) $6,810 Avg Close $48.94 Range $44.19 - $55.74

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	210,270	$385	$1.55	$0.76 - $3.82
Q1 2020	159,500	$185	$3.90	$1.01 - $7.28
Q4 2019	169,200	$1,164	$5.15	$3.98 - $7.09
Q3 2019	166,900	$746	$5.30	$3.76 - $6.77
Q2 2019	150,300	$963	$7.43	$5.28 - $9.79
Q1 2019	180,500	$1,572	$8.57	$6.54 - $9.69
Q4 2018	180,400	$1,252	$10.19	$6.19 - $14.47
Q3 2018	158,900	$2,217	$12.42	$10.40 - $14.34
Q2 2018	161,600	$2,172	$12.31	$9.36 - $14.16
Q1 2018	158,900	$1,573	$10.30	$8.70 - $12.40
Q4 2017	140,600	$1,502	$10.38	$9.33 - $11.78
Q3 2017	147,100	$1,583	$8.61	$7.20 - $10.84
Q2 2017	127,848	$1,052	$10.21	$7.67 - $13.04
Q1 2017	127,848	$1,592	$13.74	$11.69 - $16.16
Q4 2016	127,348	$1,877	$11.85	$9.10 - $16.66
Q3 2016	119,900	$1,278	$10.57	$8.68 - $13.03
Q2 2016	119,300	$1,418	$10.23	$8.34 - $12.05
Q1 2016	117,800	$1,077	$9.94	$7.67 - $13.48
Q4 2015	116,900	$1,447	$14.42	$11.95 - $17.19
Q3 2015	123,300	$1,593	$13.88	$11.26 - $16.20
Q2 2015	132,500	$2,136	$18.01	$14.44 - $21.90
Q1 2015	131,400	$1,928	$16.21	$13.28 - $20.65
Q4 2014	140,300	$2,572	$24.98	$15.97 - $32.41
Q3 2014	139,600	$4,463	$39.12	$31.76 - $45.21
Q2 2014	139,400	$6,277	$42.54	$39.41 - $46.12
Q1 2014	138,500	$5,726	$43.48	$38.47 - $49.58
Q4 2013	137,800	$6,810	$48.94	$44.19 - $55.74