X0306
4
2018-03-01
0
0001451505
Transocean Ltd.
RIG
0001729638
Mohn Frederik Wilhelm
TURMSTRASSE 30
STEINHAUSEN
V8
6312
SWITZERLAND
1
0
1
0
Shares
2018-03-01
4
P
0
1000000
9.2786
A
32096351
I
See Footnote
Shares
2018-03-02
4
P
0
1000000
9.3049
A
33096351
I
See Footnote
These securities are held directly by Perestroika, a company solely owned by Mr. Mohn.
/s/ Daniel Ro-Trock By Power of Attorney
2018-03-05