Billionaire Carl Icahn Slashes Chesapeake Energy Corp (CHK) Stake In Half

Page 5 of 16 – SEC Filing

SCHEDULE 13D

CUSIP No. 165167107

1 NAME OF REPORTING PERSON

Icahn Partners Master Fund LP

2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) / /

(b) / /

3 SEC USE ONLY

4 SOURCE OF FUNDS

WC

5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)/ /

6 CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:

7 SOLE VOTING POWER

11,500,580

8 SHARED VOTING POWER

0

9 SOLE DISPOSITIVE POWER

11,500,580

10 SHARED DISPOSITIVE POWER

0

11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

11,500,580

12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES/ /

13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

1.48%

14 TYPE OF REPORTING PERSON

PN