ZIFF DAVIS, INC. — Director's Dealing 2011

May 10, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: J2 GLOBAL COMMUNICATIONS INC (JCOM)
CIK: 0001084048
Period of Report: 2011-05-06

Reporting Person: CRESCI ROBERT J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-06	Common Stock, $0.01 par value	M	6000	$0.94	Acquired	51737	Direct
2011-05-06	Common Stock, $0.01 par value	S	6000	$29.3956	Disposed	45737	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-06	Option to Purchase Common Stock	$0.94	M	6000	Acquired	2011-12-28	Common Stock, $0.01 par value (6000)	Direct

Footnotes

F1: These shares were acquired upon exercise of stock options under the Issuer's Second Amended and Restated 1997 Stock Option Plan identified as exercised in Part II of this Form 4.

F2: Includes 20,442 shares of restricted stock which remain subject to vesting.

F3: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person.

F4: Reflects aggregate reporting of multiple open market transactions. The price reported is the weighted average sale price of sales ranging from $29.30 to $29.47 per share. The Reporting Person hereby undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each price.

F5: Employee stock option granted for services rendered, no value placed on services rendered.