Transocean Ltd. — Director's Dealing 2011

Aug 18, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Transocean Ltd. (RIG)
CIK: 0001451505
Period of Report: 2011-08-17

Reporting Person: Toma Ihab Magdy (Exec VP, Operations)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-08-17	Registered Shares	M	1411	—	Acquired	2397	Direct
2011-08-17	Registered Shares	F	523	—	Disposed	1874	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-08-17	Deferred Units	$0	M	1411	Disposed		Registered Shares (1411)	Direct

Footnotes

F1: Deferred Units, which are 1-for-1 registered share equivalents, acquired on August 17, 2009, pursuant to the Issuer's long-term incentive plan. One-third of such deferred units vested on August 17, 2011, resulting in delivery of registered shares to the reporting person.

F2: Shares automatically withheld upon vesting to satisfy tax withholding obligations.