Rowan Companies Plc (RDC): Blue Harbour Group Enters Into Nomination and Support Agreement; Charles L. Szews Appointed to the Board

Page 4 of 7 – SEC Filing

1	NAME OF REPORTING PERSON Clifton S. Robbins
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP		(a) ¨ (b) x
3	SEC USE ONLY
4	SOURCE OF FUNDS AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)		¨
6	CITIZENSHIP OR PLACE OF ORGANIZATION United States of America
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:	7	SOLE VOTING POWER 0
	8	SHARED VOTING POWER 9,992,812 Class A Ordinary Shares
	9	SOLE DISPOSITIVE POWER 0
	10	SHARED DISPOSITIVE POWER 9,992,812 Class A Ordinary Shares
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON 9,992,812 Class A Ordinary Shares
12	CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES			¨
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 7.97%
14	TYPE OF REPORTING PERSON IN