Transocean Ltd. — Director's Dealing 2010

Feb 18, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Transocean Ltd. (RIG)
CIK: 0001451505
Period of Report: 2010-02-16

Reporting Person: MCNAMARA MARTIN B (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-16	Registered Shares	M	3756	$53.04	Acquired	21862	Direct
2010-02-16	Registered Shares	S	198	$82.32	Disposed	21664	Direct
2010-02-16	Registered Shares	S	2611	$85.38	Disposed	19053	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-02-16	Stock Options	$53.04	M	3756	Disposed	2010-05-10	Registered Shares (3756)	Direct

Footnotes

F1: The transactions reported in this Form 4, including the exercise of 3,756 options and the related sale of 2,809 registered shares to cover the exercise costs, taxes and commissions, were effected pursuant to a Rule 10b5-1 trading plan.

F2: The options are fully vested and exercisable.